diff --git a/Marlin/Configuration_adv.h b/Marlin/Configuration_adv.h index aacec5e52..9ce2193c8 100644 --- a/Marlin/Configuration_adv.h +++ b/Marlin/Configuration_adv.h @@ -241,6 +241,33 @@ //#define FAN_MIN_PWM 50 //#define FAN_MAX_PWM 128 +/** + * FAST PWM FAN Settings + * + * Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) + * Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a + * frequency as close as possible to the desired frequency. + * + * FAST_PWM_FAN_FREQUENCY [undefined by default] + * Set this to your desired frequency. + * If left undefined this defaults to F = F_CPU/(2*255*1) + * ie F = 31.4 Khz on 16 MHz microcontrollers or F = 39.2 KHz on 20 MHz microcontrollers + * These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required + * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behaviour. + * + * USE_OCR2A_AS_TOP [undefined by default] + * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: + * 16MHz MCUs: [62.5KHz, 31.4KHz (default), 7.8KHz, 3.92KHz, 1.95KHz, 977Hz, 488Hz, 244Hz, 60Hz, 122Hz, 30Hz] + * 20MHz MCUs: [78.1KHz, 39.2KHz (default), 9.77KHz, 4.9KHz, 2.44KHz, 1.22KHz, 610Hz, 305Hz, 153Hz, 76Hz, 38Hz] + * A greater range can be achieved by enabling USE_OCR2A_AS_TOP. But note that this option blocks the use of + * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) + * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. + */ +#if ENABLED(FAST_PWM_FAN) + //#define FAST_PWM_FAN_FREQUENCY 31400 + //#define USE_OCR2A_AS_TOP +#endif + // @section extruder /** diff --git a/Marlin/src/HAL/HAL_AVR/SanityCheck.h b/Marlin/src/HAL/HAL_AVR/SanityCheck.h index 5eb5098ba..9c34a3d51 100644 --- a/Marlin/src/HAL/HAL_AVR/SanityCheck.h +++ b/Marlin/src/HAL/HAL_AVR/SanityCheck.h @@ -35,6 +35,13 @@ #endif #endif +/** + * Checks for FAST PWM + */ +#if ENABLED(FAST_PWM_FAN) && (ENABLED(USE_OCR2A_AS_TOP) && defined(TCCR2)) + #error "USE_OCR2A_AS_TOP does not apply to devices with a single output TIMER2" +#endif + /** * Sanity checks for Spindle / Laser */ diff --git a/Marlin/src/HAL/HAL_AVR/fastio_AVR.h b/Marlin/src/HAL/HAL_AVR/fastio_AVR.h index 226d2503d..2cf578247 100644 --- a/Marlin/src/HAL/HAL_AVR/fastio_AVR.h +++ b/Marlin/src/HAL/HAL_AVR/fastio_AVR.h @@ -132,6 +132,18 @@ enum WaveGenMode : char { WGM_FAST_PWM_OCRnA // 15 COM OCnA }; +// Wavefore Generation Modes (Timer 2 only) +enum WaveGenMode2 : char { + WGM2_NORMAL, // 0 + WGM2_PWM_PC, // 1 + WGM2_CTC_OCR2A, // 2 + WGM2_FAST_PWM, // 3 + WGM2_reserved_1, // 4 + WGM2_PWM_PC_OCR2A, // 5 + WGM2_reserved_2, // 6 + WGM2_FAST_PWM_OCR2A, // 7 +}; + // Compare Modes enum CompareMode : char { COM_NORMAL, // 0 @@ -186,6 +198,11 @@ enum ClockSource2 : char { TCCR##T##B = (TCCR##T##B & ~(0x3 << WGM##T##2)) | (((int(V) >> 2) & 0x3) << WGM##T##2); \ }while(0) #define SET_WGM(T,V) _SET_WGM(T,WGM_##V) +// Runtime (see Temperature::set_pwm_frequency): +#define _SET_WGMnQ(TCCRnQ, V) do{ \ + *(TCCRnQ)[0] = (*(TCCRnQ)[0] & ~(0x3 << 0)) | (( int(V) & 0x3) << 0); \ + *(TCCRnQ)[1] = (*(TCCRnQ)[1] & ~(0x3 << 3)) | (((int(V) >> 2) & 0x3) << 3); \ + }while(0) // Set Clock Select bits // Ex: SET_CS3(PRESCALER_64); @@ -211,6 +228,10 @@ enum ClockSource2 : char { #define SET_CS4(V) _SET_CS4(CS_##V) #define SET_CS5(V) _SET_CS5(CS_##V) #define SET_CS(T,V) SET_CS##T(V) +// Runtime (see Temperature::set_pwm_frequency) +#define _SET_CSn(TCCRnQ, V) do{ \ + (*(TCCRnQ)[1] = (*(TCCRnQ[1]) & ~(0x7 << 0)) | ((int(V) & 0x7) << 0)); \ + }while(0) // Set Compare Mode bits // Ex: SET_COMS(4,CLEAR_SET,CLEAR_SET,CLEAR_SET); @@ -220,6 +241,22 @@ enum ClockSource2 : char { #define SET_COMB(T,V) SET_COM(T,B,V) #define SET_COMC(T,V) SET_COM(T,C,V) #define SET_COMS(T,V1,V2,V3) do{ SET_COMA(T,V1); SET_COMB(T,V2); SET_COMC(T,V3); }while(0) +// Runtime (see Temperature::set_pwm_duty) +#define _SET_COMnQ(TCCRnQ, Q, V) do{ \ + (*(TCCRnQ)[0] = (*(TCCRnQ)[0] & ~(0x3 << (6-2*(Q)))) | (int(V) << (6-2*(Q)))); \ + }while(0) + +// Set OCRnQ register +// Runtime (see Temperature::set_pwm_duty): +#define _SET_OCRnQ(OCRnQ, Q, V) do{ \ + (*(OCRnQ)[(Q)] = (0x0000) | (int(V) & 0xFFFF)); \ + }while(0) + +// Set ICRn register (one per timer) +// Runtime (see Temperature::set_pwm_frequency) +#define _SET_ICRn(ICRn, V) do{ \ + (*(ICRn) = (0x0000) | (int(V) & 0xFFFF)); \ + }while(0) // Set Noise Canceler bit // Ex: SET_ICNC(2,1) diff --git a/Marlin/src/inc/Conditionals_post.h b/Marlin/src/inc/Conditionals_post.h index 47a3f20ea..f644b3a7d 100644 --- a/Marlin/src/inc/Conditionals_post.h +++ b/Marlin/src/inc/Conditionals_post.h @@ -1213,6 +1213,13 @@ #error "FAN_MIN_PWM must be less than or equal to FAN_MAX_PWM." #endif +/** + * FAST PWM FAN Settings + */ +#if ENABLED(FAST_PWM_FAN) && !defined(FAST_PWM_FAN_FREQUENCY) + #define FAST_PWM_FAN_FREQUENCY ((F_CPU) / (2 * 255 * 1)) // Fan frequency default +#endif + /** * Bed Probe dependencies */ diff --git a/Marlin/src/module/planner.cpp b/Marlin/src/module/planner.cpp index f6d581a6b..dc7458a25 100644 --- a/Marlin/src/module/planner.cpp +++ b/Marlin/src/module/planner.cpp @@ -1273,6 +1273,18 @@ void Planner::check_axes_activity() { #if HAS_FAN2 thermalManager.soft_pwm_amount_fan[2] = CALC_FAN_SPEED(2); #endif + + #elif ENABLED(FAST_PWM_FAN) + #if HAS_FAN0 + thermalManager.set_pwm_duty(FAN_PIN, CALC_FAN_SPEED(0)); + #endif + #if HAS_FAN1 + thermalManager.set_pwm_duty(FAN1_PIN, CALC_FAN_SPEED(1)); + #endif + #if HAS_FAN2 + thermalManager.set_pwm_duty(FAN2_PIN, CALC_FAN_SPEED(2)); + #endif + #else #if HAS_FAN0 analogWrite(FAN_PIN, CALC_FAN_SPEED(0)); diff --git a/Marlin/src/module/temperature.cpp b/Marlin/src/module/temperature.cpp index b01ed0462..94cd06ae6 100644 --- a/Marlin/src/module/temperature.cpp +++ b/Marlin/src/module/temperature.cpp @@ -1332,28 +1332,28 @@ void Temperature::init() { #if HAS_FAN0 SET_OUTPUT(FAN_PIN); #if ENABLED(FAST_PWM_FAN) - setPwmFrequency(FAN_PIN, 1); // No prescaling. Pwm frequency = F_CPU/256/8 + set_pwm_frequency(FAN_PIN, FAST_PWM_FAN_FREQUENCY); #endif #endif #if HAS_FAN1 SET_OUTPUT(FAN1_PIN); #if ENABLED(FAST_PWM_FAN) - setPwmFrequency(FAN1_PIN, 1); // No prescaling. Pwm frequency = F_CPU/256/8 + set_pwm_frequency(FAN1_PIN, FAST_PWM_FAN_FREQUENCY); #endif #endif #if HAS_FAN2 SET_OUTPUT(FAN2_PIN); #if ENABLED(FAST_PWM_FAN) - setPwmFrequency(FAN2_PIN, 1); // No prescaling. Pwm frequency = F_CPU/256/8 + set_pwm_frequency(FAN2_PIN, FAST_PWM_FAN_FREQUENCY); #endif #endif #if ENABLED(USE_CONTROLLER_FAN) SET_OUTPUT(CONTROLLER_FAN_PIN); #if ENABLED(FAST_PWM_FAN) - setPwmFrequency(CONTROLLER_FAN_PIN, 1); // No prescaling. Pwm frequency = F_CPU/256/8 + set_pwm_frequency(CONTROLLER_FAN_PIN, FAST_PWM_FAN_FREQUENCY); #endif #endif @@ -1411,7 +1411,7 @@ void Temperature::init() { #if E0_AUTO_FAN_PIN == FAN1_PIN SET_OUTPUT(E0_AUTO_FAN_PIN); #if ENABLED(FAST_PWM_FAN) - setPwmFrequency(E0_AUTO_FAN_PIN, 1); // No prescaling. Pwm frequency = F_CPU/256/8 + set_pwm_frequency(E0_AUTO_FAN_PIN, FAST_PWM_FAN_FREQUENCY); #endif #else SET_OUTPUT(E0_AUTO_FAN_PIN); @@ -1421,7 +1421,7 @@ void Temperature::init() { #if E1_AUTO_FAN_PIN == FAN1_PIN SET_OUTPUT(E1_AUTO_FAN_PIN); #if ENABLED(FAST_PWM_FAN) - setPwmFrequency(E1_AUTO_FAN_PIN, 1); // No prescaling. Pwm frequency = F_CPU/256/8 + set_pwm_frequency(E1_AUTO_FAN_PIN, FAST_PWM_FAN_FREQUENCY); #endif #else SET_OUTPUT(E1_AUTO_FAN_PIN); @@ -1431,7 +1431,7 @@ void Temperature::init() { #if E2_AUTO_FAN_PIN == FAN1_PIN SET_OUTPUT(E2_AUTO_FAN_PIN); #if ENABLED(FAST_PWM_FAN) - setPwmFrequency(E2_AUTO_FAN_PIN, 1); // No prescaling. Pwm frequency = F_CPU/256/8 + set_pwm_frequency(E2_AUTO_FAN_PIN, FAST_PWM_FAN_FREQUENCY); #endif #else SET_OUTPUT(E2_AUTO_FAN_PIN); @@ -1441,7 +1441,7 @@ void Temperature::init() { #if E3_AUTO_FAN_PIN == FAN1_PIN SET_OUTPUT(E3_AUTO_FAN_PIN); #if ENABLED(FAST_PWM_FAN) - setPwmFrequency(E3_AUTO_FAN_PIN, 1); // No prescaling. Pwm frequency = F_CPU/256/8 + set_pwm_frequency(E3_AUTO_FAN_PIN, FAST_PWM_FAN_FREQUENCY); #endif #else SET_OUTPUT(E3_AUTO_FAN_PIN); @@ -1451,7 +1451,7 @@ void Temperature::init() { #if E4_AUTO_FAN_PIN == FAN1_PIN SET_OUTPUT(E4_AUTO_FAN_PIN); #if ENABLED(FAST_PWM_FAN) - setPwmFrequency(E4_AUTO_FAN_PIN, 1); // No prescaling. Pwm frequency = F_CPU/256/8 + set_pwm_frequency(E4_AUTO_FAN_PIN, FAST_PWM_FAN_FREQUENCY); #endif #else SET_OUTPUT(E4_AUTO_FAN_PIN); @@ -1461,7 +1461,7 @@ void Temperature::init() { #if E5_AUTO_FAN_PIN == FAN1_PIN SET_OUTPUT(E5_AUTO_FAN_PIN); #if ENABLED(FAST_PWM_FAN) - setPwmFrequency(E5_AUTO_FAN_PIN, 1); // No prescaling. Pwm frequency = F_CPU/256/8 + set_pwm_frequency(E5_AUTO_FAN_PIN, FAST_PWM_FAN_FREQUENCY); #endif #else SET_OUTPUT(E5_AUTO_FAN_PIN); @@ -1471,7 +1471,7 @@ void Temperature::init() { #if CHAMBER_AUTO_FAN_PIN == FAN1_PIN SET_OUTPUT(CHAMBER_AUTO_FAN_PIN); #if ENABLED(FAST_PWM_FAN) - setPwmFrequency(CHAMBER_AUTO_FAN_PIN, 1); // No prescaling. Pwm frequency = F_CPU/256/8 + set_pwm_frequency(CHAMBER_AUTO_FAN_PIN, FAST_PWM_FAN_FREQUENCY); #endif #else SET_OUTPUT(CHAMBER_AUTO_FAN_PIN); @@ -1566,43 +1566,233 @@ void Temperature::init() { #endif } -#if ENABLED(FAST_PWM_FAN) - void Temperature::setPwmFrequency(const pin_t pin, int val) { +#if ENABLED(FAST_PWM_FAN) + Temperature::Timer Temperature::get_pwm_timer(pin_t pin) { #if defined(ARDUINO) && !defined(ARDUINO_ARCH_SAM) - val &= 0x07; + uint8_t q = 0; switch (digitalPinToTimer(pin)) { + // Protect reserved timers (TIMER0 & TIMER1) #ifdef TCCR0A #if !AVR_AT90USB1286_FAMILY case TIMER0A: #endif - case TIMER0B: //_SET_CS(0, val); - break; + case TIMER0B: #endif #ifdef TCCR1A - case TIMER1A: case TIMER1B: //_SET_CS(1, val); - break; + case TIMER1A: case TIMER1B: #endif + break; #if defined(TCCR2) || defined(TCCR2A) #ifdef TCCR2 - case TIMER2: - #endif - #ifdef TCCR2A - case TIMER2A: case TIMER2B: + case TIMER2: { + Temperature::Timer timer = { + /*TCCRnQ*/ { &TCCR2, NULL, NULL}, + /*OCRnQ*/ { (uint16_t*)&OCR2, NULL, NULL}, + /*ICRn*/ NULL, + /*n, q*/ 2, 0 + }; + } + #elif defined TCCR2A + #if ENABLED(USE_OCR2A_AS_TOP) + case TIMER2A: break; // protect TIMER2A + case TIMER2B: { + Temperature::Timer timer = { + /*TCCRnQ*/ { &TCCR2A, &TCCR2B, NULL}, + /*OCRnQ*/ { (uint16_t*)&OCR2A, (uint16_t*)&OCR2B, NULL}, + /*ICRn*/ NULL, + /*n, q*/ 2, 1 + }; + return timer; + } + #else + case TIMER2B: q += 1; + case TIMER2A: { + Temperature::Timer timer = { + /*TCCRnQ*/ { &TCCR2A, &TCCR2B, NULL}, + /*OCRnQ*/ { (uint16_t*)&OCR2A, (uint16_t*)&OCR2B, NULL}, + /*ICRn*/ NULL, + 2, q + }; + return timer; + } + #endif #endif - _SET_CS(2, val); break; #endif #ifdef TCCR3A - case TIMER3A: case TIMER3B: case TIMER3C: _SET_CS(3, val); break; + case TIMER3C: q += 1; + case TIMER3B: q += 1; + case TIMER3A: { + Temperature::Timer timer = { + /*TCCRnQ*/ { &TCCR3A, &TCCR3B, &TCCR3C}, + /*OCRnQ*/ { &OCR3A, &OCR3B, &OCR3C}, + /*ICRn*/ &ICR3, + /*n, q*/ 3, q + }; + return timer; + } #endif #ifdef TCCR4A - case TIMER4A: case TIMER4B: case TIMER4C: _SET_CS(4, val); break; + case TIMER4C: q += 1; + case TIMER4B: q += 1; + case TIMER4A: { + Temperature::Timer timer = { + /*TCCRnQ*/ { &TCCR4A, &TCCR4B, &TCCR4C}, + /*OCRnQ*/ { &OCR4A, &OCR4B, &OCR4C}, + /*ICRn*/ &ICR4, + /*n, q*/ 4, q + }; + return timer; + } #endif #ifdef TCCR5A - case TIMER5A: case TIMER5B: case TIMER5C: _SET_CS(5, val); break; + case TIMER5C: q += 1; + case TIMER5B: q += 1; + case TIMER5A: { + Temperature::Timer timer = { + /*TCCRnQ*/ { &TCCR5A, &TCCR5B, &TCCR5C}, + /*OCRnQ*/ { &OCR5A, &OCR5B, &OCR5C }, + /*ICRn*/ &ICR5, + /*n, q*/ 5, q + }; + return timer; + } #endif } - #endif + Temperature::Timer timer = { + /*TCCRnQ*/ { NULL, NULL, NULL}, + /*OCRnQ*/ { NULL, NULL, NULL}, + /*ICRn*/ NULL, + 0, 0 + }; + return timer; + #endif // ARDUINO && !ARDUINO_ARCH_SAM + } + + void Temperature::set_pwm_frequency(const pin_t pin, int f_desired) { + #if defined(ARDUINO) && !defined(ARDUINO_ARCH_SAM) + Temperature::Timer timer = get_pwm_timer(pin); + if (timer.n == 0) return; // Don't proceed if protected timer or not recognised + uint16_t size; + if (timer.n == 2) size = 255; else size = 65535; + + uint16_t res = 255; // resolution (TOP value) + uint8_t j = 0; // prescaler index + uint8_t wgm = 1; // waveform generation mode + + // Calculating the prescaler and resolution to use to achieve closest frequency + if (f_desired != 0) { + int f = F_CPU/(2*1024*size) + 1; // Initialize frequency as lowest (non-zero) achievable + uint16_t prescaler[] = {0, 1, 8, /*TIMER2 ONLY*/32, 64, /*TIMER2 ONLY*/128, 256, 1024}; + + // loop over prescaler values + for (uint8_t i = 1; i < 8; i++) { + uint16_t res_temp_fast = 255, res_temp_phase_correct = 255; + if (timer.n == 2) { + // No resolution calculation for TIMER2 unless enabled USE_OCR2A_AS_TOP + #if ENABLED(USE_OCR2A_AS_TOP) + res_temp_fast = (F_CPU / (prescaler[i] * f_desired)) - 1; + res_temp_phase_correct = F_CPU / (2 * prescaler[i] * f_desired); + #endif + } + else { + // Skip TIMER2 specific prescalers when not TIMER2 + if (i == 3 || i == 5) continue; + res_temp_fast = (F_CPU / (prescaler[i] * f_desired)) - 1; + res_temp_phase_correct = F_CPU / (2 * prescaler[i] * f_desired); + } + + LIMIT(res_temp_fast, 1u, size); + LIMIT(res_temp_phase_correct, 1u, size); + // Calculate frequncies of test prescaler and resolution values + int f_temp_fast = F_CPU / (prescaler[i] * (1 + res_temp_fast)); + int f_temp_phase_correct = F_CPU / (2 * prescaler[i] * res_temp_phase_correct); + + // If FAST values are closest to desired f + if (ABS(f_temp_fast - f_desired) < ABS(f - f_desired) + && ABS(f_temp_fast - f_desired) <= ABS(f_temp_phase_correct - f_desired)) { + // Remember this combination + f = f_temp_fast; + res = res_temp_fast; + j = i; + // Set the Wave Generation Mode to FAST PWM + if(timer.n == 2){ + wgm = + #if ENABLED(USE_OCR2A_AS_TOP) + WGM2_FAST_PWM_OCR2A; + #else + WGM2_FAST_PWM; + #endif + } + else wgm = WGM_FAST_PWM_ICRn; + } + // If PHASE CORRECT values are closes to desired f + else if (ABS(f_temp_phase_correct - f_desired) < ABS(f - f_desired)) { + f = f_temp_phase_correct; + res = res_temp_phase_correct; + j = i; + // Set the Wave Generation Mode to PWM PHASE CORRECT + if (timer.n == 2) { + wgm = + #if ENABLED(USE_OCR2A_AS_TOP) + WGM2_PWM_PC_OCR2A; + #else + WGM2_PWM_PC; + #endif + } + else wgm = WGM_PWM_PC_ICRn; + } + } + } + _SET_WGMnQ(timer.TCCRnQ, wgm); + _SET_CSn(timer.TCCRnQ, j); + + if (timer.n == 2) { + #if ENABLED(USE_OCR2A_AS_TOP) + _SET_OCRnQ(timer.OCRnQ, 0, res); // Set OCR2A value (TOP) = res + #endif + } + else { + _SET_ICRn(timer.ICRn, res); // Set ICRn value (TOP) = res + } + #endif // ARDUINO && !ARDUINO_ARCH_SAM + } + + void Temperature::set_pwm_duty(const pin_t pin, const uint16_t v, const uint16_t v_size/*=255*/, const bool invert/*=false*/) { + #if defined(ARDUINO) && !defined(ARDUINO_ARCH_SAM) + // If v is 0 or v_size (max), digitalWrite to LOW or HIGH. + // Note that digitalWrite also disables pwm output for us (sets COM bit to 0) + if (v == 0) + digitalWrite(pin, invert); + else if (v == v_size) + digitalWrite(pin, !invert); + else { + Temperature::Timer timer = get_pwm_timer(pin); + if (timer.n == 0) return; // Don't proceed if protected timer or not recognised + // Set compare output mode to CLEAR -> SET or SET -> CLEAR (if inverted) + _SET_COMnQ(timer.TCCRnQ, timer.q + #ifdef TCCR2 + + (timer.q == 2) // COM20 is on bit 4 of TCCR2, thus requires q + 1 in the macro + #endif + , COM_CLEAR_SET + invert + ); + + uint16_t top; + if (timer.n == 2) { // if TIMER2 + top = + #if ENABLED(USE_OCR2A_AS_TOP) + *timer.OCRnQ[0] // top = OCR2A + #else + 255 // top = 0xFF (max) + #endif + ; + } + else + top = *timer.ICRn; // top = ICRn + + _SET_OCRnQ(timer.OCRnQ, timer.q, v * float(top / v_size)); // Scale 8/16-bit v to top value + } + #endif // ARDUINO && !ARDUINO_ARCH_SAM } #endif // FAST_PWM_FAN diff --git a/Marlin/src/module/temperature.h b/Marlin/src/module/temperature.h index c900e434d..35a3c180a 100644 --- a/Marlin/src/module/temperature.h +++ b/Marlin/src/module/temperature.h @@ -266,6 +266,16 @@ class Temperature { soft_pwm_count_fan[FAN_COUNT]; #endif + /** + * set_pwm_duty (8-bit AVRs only) + * Sets the PWM duty cycle of the provided pin to the provided value + * Optionally allows inverting the duty cycle [default = false] + * Optionally allows changing the maximum size of the provided value to enable finer PWM duty control [default = 255] + */ + #if ENABLED(FAST_PWM_FAN) + static void set_pwm_duty(const pin_t pin, const uint16_t v, const uint16_t v_size=255, const bool invert=false); + #endif + #if ENABLED(BABYSTEPPING) static volatile int16_t babystepsTodo[3]; #endif @@ -735,8 +745,33 @@ class Temperature { private: + /** + * (8-bit AVRs only) + * + * get_pwm_timer + * Grabs timer information and registers of the provided pin + * returns Timer struct containing this information + * Used by set_pwm_frequency, set_pwm_duty + * + * set_pwm_frequency + * Sets the frequency of the timer corresponding to the provided pin + * as close as possible to the provided desired frequency. Internally + * calculates the required waveform generation mode, prescaler and + * resolution values required and sets the timer registers accordingly. + * NOTE that the frequency is applied to all pins on the timer (Ex OC3A, OC3B and OC3B) + * NOTE that there are limitations, particularly if using TIMER2. (see Configuration_adv.h -> FAST FAN PWM Settings) + */ #if ENABLED(FAST_PWM_FAN) - static void setPwmFrequency(const pin_t pin, int val); + typedef struct Timer { + volatile uint8_t* TCCRnQ[3]; // max 3 TCCR registers per timer + volatile uint16_t* OCRnQ[3]; // max 3 OCR registers per timer + volatile uint16_t* ICRn; // max 1 ICR register per timer + uint8_t n; // the timer number [0->5] + uint8_t q; // the timer output [0->2] (A->C) + } Timer; + + static Timer get_pwm_timer(const pin_t pin); + static void set_pwm_frequency(const pin_t pin, int f_desired); #endif static void set_current_temp_raw(); diff --git a/config/default/Configuration_adv.h b/config/default/Configuration_adv.h index aacec5e52..9ce2193c8 100644 --- a/config/default/Configuration_adv.h +++ b/config/default/Configuration_adv.h @@ -241,6 +241,33 @@ //#define FAN_MIN_PWM 50 //#define FAN_MAX_PWM 128 +/** + * FAST PWM FAN Settings + * + * Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) + * Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a + * frequency as close as possible to the desired frequency. + * + * FAST_PWM_FAN_FREQUENCY [undefined by default] + * Set this to your desired frequency. + * If left undefined this defaults to F = F_CPU/(2*255*1) + * ie F = 31.4 Khz on 16 MHz microcontrollers or F = 39.2 KHz on 20 MHz microcontrollers + * These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required + * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behaviour. + * + * USE_OCR2A_AS_TOP [undefined by default] + * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: + * 16MHz MCUs: [62.5KHz, 31.4KHz (default), 7.8KHz, 3.92KHz, 1.95KHz, 977Hz, 488Hz, 244Hz, 60Hz, 122Hz, 30Hz] + * 20MHz MCUs: [78.1KHz, 39.2KHz (default), 9.77KHz, 4.9KHz, 2.44KHz, 1.22KHz, 610Hz, 305Hz, 153Hz, 76Hz, 38Hz] + * A greater range can be achieved by enabling USE_OCR2A_AS_TOP. But note that this option blocks the use of + * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) + * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. + */ +#if ENABLED(FAST_PWM_FAN) + //#define FAST_PWM_FAN_FREQUENCY 31400 + //#define USE_OCR2A_AS_TOP +#endif + // @section extruder /** diff --git a/config/examples/3DFabXYZ/Migbot/Configuration_adv.h b/config/examples/3DFabXYZ/Migbot/Configuration_adv.h index c7db779b1..7d615d8de 100644 --- a/config/examples/3DFabXYZ/Migbot/Configuration_adv.h +++ b/config/examples/3DFabXYZ/Migbot/Configuration_adv.h @@ -241,6 +241,33 @@ //#define FAN_MIN_PWM 50 //#define FAN_MAX_PWM 128 +/** + * FAST PWM FAN Settings + * + * Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) + * Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a + * frequency as close as possible to the desired frequency. + * + * FAST_PWM_FAN_FREQUENCY [undefined by default] + * Set this to your desired frequency. + * If left undefined this defaults to F = F_CPU/(2*255*1) + * ie F = 31.4 Khz on 16 MHz microcontrollers or F = 39.2 KHz on 20 MHz microcontrollers + * These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required + * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behaviour. + * + * USE_OCR2A_AS_TOP [undefined by default] + * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: + * 16MHz MCUs: [62.5KHz, 31.4KHz (default), 7.8KHz, 3.92KHz, 1.95KHz, 977Hz, 488Hz, 244Hz, 60Hz, 122Hz, 30Hz] + * 20MHz MCUs: [78.1KHz, 39.2KHz (default), 9.77KHz, 4.9KHz, 2.44KHz, 1.22KHz, 610Hz, 305Hz, 153Hz, 76Hz, 38Hz] + * A greater range can be achieved by enabling USE_OCR2A_AS_TOP. But note that this option blocks the use of + * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) + * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. + */ +#if ENABLED(FAST_PWM_FAN) + //#define FAST_PWM_FAN_FREQUENCY 31400 + //#define USE_OCR2A_AS_TOP +#endif + // @section extruder /** diff --git a/config/examples/AlephObjects/TAZ4/Configuration_adv.h b/config/examples/AlephObjects/TAZ4/Configuration_adv.h index dd4ff081a..3a8491989 100644 --- a/config/examples/AlephObjects/TAZ4/Configuration_adv.h +++ b/config/examples/AlephObjects/TAZ4/Configuration_adv.h @@ -241,6 +241,33 @@ //#define FAN_MIN_PWM 50 //#define FAN_MAX_PWM 128 +/** + * FAST PWM FAN Settings + * + * Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) + * Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a + * frequency as close as possible to the desired frequency. + * + * FAST_PWM_FAN_FREQUENCY [undefined by default] + * Set this to your desired frequency. + * If left undefined this defaults to F = F_CPU/(2*255*1) + * ie F = 31.4 Khz on 16 MHz microcontrollers or F = 39.2 KHz on 20 MHz microcontrollers + * These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required + * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behaviour. + * + * USE_OCR2A_AS_TOP [undefined by default] + * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: + * 16MHz MCUs: [62.5KHz, 31.4KHz (default), 7.8KHz, 3.92KHz, 1.95KHz, 977Hz, 488Hz, 244Hz, 60Hz, 122Hz, 30Hz] + * 20MHz MCUs: [78.1KHz, 39.2KHz (default), 9.77KHz, 4.9KHz, 2.44KHz, 1.22KHz, 610Hz, 305Hz, 153Hz, 76Hz, 38Hz] + * A greater range can be achieved by enabling USE_OCR2A_AS_TOP. But note that this option blocks the use of + * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) + * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. + */ +#if ENABLED(FAST_PWM_FAN) + //#define FAST_PWM_FAN_FREQUENCY 31400 + //#define USE_OCR2A_AS_TOP +#endif + // @section extruder /** diff --git a/config/examples/AliExpress/UM2pExt/Configuration_adv.h b/config/examples/AliExpress/UM2pExt/Configuration_adv.h index 219c8bcfa..a2eea25cc 100644 --- a/config/examples/AliExpress/UM2pExt/Configuration_adv.h +++ b/config/examples/AliExpress/UM2pExt/Configuration_adv.h @@ -241,6 +241,33 @@ //#define FAN_MIN_PWM 50 //#define FAN_MAX_PWM 128 +/** + * FAST PWM FAN Settings + * + * Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) + * Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a + * frequency as close as possible to the desired frequency. + * + * FAST_PWM_FAN_FREQUENCY [undefined by default] + * Set this to your desired frequency. + * If left undefined this defaults to F = F_CPU/(2*255*1) + * ie F = 31.4 Khz on 16 MHz microcontrollers or F = 39.2 KHz on 20 MHz microcontrollers + * These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required + * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behaviour. + * + * USE_OCR2A_AS_TOP [undefined by default] + * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: + * 16MHz MCUs: [62.5KHz, 31.4KHz (default), 7.8KHz, 3.92KHz, 1.95KHz, 977Hz, 488Hz, 244Hz, 60Hz, 122Hz, 30Hz] + * 20MHz MCUs: [78.1KHz, 39.2KHz (default), 9.77KHz, 4.9KHz, 2.44KHz, 1.22KHz, 610Hz, 305Hz, 153Hz, 76Hz, 38Hz] + * A greater range can be achieved by enabling USE_OCR2A_AS_TOP. But note that this option blocks the use of + * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) + * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. + */ +#if ENABLED(FAST_PWM_FAN) + //#define FAST_PWM_FAN_FREQUENCY 31400 + //#define USE_OCR2A_AS_TOP +#endif + // @section extruder /** diff --git a/config/examples/Anet/A2/Configuration_adv.h b/config/examples/Anet/A2/Configuration_adv.h index 018eb7494..556a346ac 100644 --- a/config/examples/Anet/A2/Configuration_adv.h +++ b/config/examples/Anet/A2/Configuration_adv.h @@ -241,6 +241,33 @@ //#define FAN_MIN_PWM 50 //#define FAN_MAX_PWM 128 +/** + * FAST PWM FAN Settings + * + * Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) + * Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a + * frequency as close as possible to the desired frequency. + * + * FAST_PWM_FAN_FREQUENCY [undefined by default] + * Set this to your desired frequency. + * If left undefined this defaults to F = F_CPU/(2*255*1) + * ie F = 31.4 Khz on 16 MHz microcontrollers or F = 39.2 KHz on 20 MHz microcontrollers + * These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required + * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behaviour. + * + * USE_OCR2A_AS_TOP [undefined by default] + * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: + * 16MHz MCUs: [62.5KHz, 31.4KHz (default), 7.8KHz, 3.92KHz, 1.95KHz, 977Hz, 488Hz, 244Hz, 60Hz, 122Hz, 30Hz] + * 20MHz MCUs: [78.1KHz, 39.2KHz (default), 9.77KHz, 4.9KHz, 2.44KHz, 1.22KHz, 610Hz, 305Hz, 153Hz, 76Hz, 38Hz] + * A greater range can be achieved by enabling USE_OCR2A_AS_TOP. But note that this option blocks the use of + * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) + * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. + */ +#if ENABLED(FAST_PWM_FAN) + //#define FAST_PWM_FAN_FREQUENCY 31400 + //#define USE_OCR2A_AS_TOP +#endif + // @section extruder /** diff --git a/config/examples/Anet/A2plus/Configuration_adv.h b/config/examples/Anet/A2plus/Configuration_adv.h index 018eb7494..556a346ac 100644 --- a/config/examples/Anet/A2plus/Configuration_adv.h +++ b/config/examples/Anet/A2plus/Configuration_adv.h @@ -241,6 +241,33 @@ //#define FAN_MIN_PWM 50 //#define FAN_MAX_PWM 128 +/** + * FAST PWM FAN Settings + * + * Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) + * Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a + * frequency as close as possible to the desired frequency. + * + * FAST_PWM_FAN_FREQUENCY [undefined by default] + * Set this to your desired frequency. + * If left undefined this defaults to F = F_CPU/(2*255*1) + * ie F = 31.4 Khz on 16 MHz microcontrollers or F = 39.2 KHz on 20 MHz microcontrollers + * These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required + * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behaviour. + * + * USE_OCR2A_AS_TOP [undefined by default] + * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: + * 16MHz MCUs: [62.5KHz, 31.4KHz (default), 7.8KHz, 3.92KHz, 1.95KHz, 977Hz, 488Hz, 244Hz, 60Hz, 122Hz, 30Hz] + * 20MHz MCUs: [78.1KHz, 39.2KHz (default), 9.77KHz, 4.9KHz, 2.44KHz, 1.22KHz, 610Hz, 305Hz, 153Hz, 76Hz, 38Hz] + * A greater range can be achieved by enabling USE_OCR2A_AS_TOP. But note that this option blocks the use of + * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) + * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. + */ +#if ENABLED(FAST_PWM_FAN) + //#define FAST_PWM_FAN_FREQUENCY 31400 + //#define USE_OCR2A_AS_TOP +#endif + // @section extruder /** diff --git a/config/examples/Anet/A6/Configuration_adv.h b/config/examples/Anet/A6/Configuration_adv.h index 7247d6e99..bcc44d7d0 100644 --- a/config/examples/Anet/A6/Configuration_adv.h +++ b/config/examples/Anet/A6/Configuration_adv.h @@ -241,6 +241,33 @@ //#define FAN_MIN_PWM 50 //#define FAN_MAX_PWM 128 +/** + * FAST PWM FAN Settings + * + * Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) + * Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a + * frequency as close as possible to the desired frequency. + * + * FAST_PWM_FAN_FREQUENCY [undefined by default] + * Set this to your desired frequency. + * If left undefined this defaults to F = F_CPU/(2*255*1) + * ie F = 31.4 Khz on 16 MHz microcontrollers or F = 39.2 KHz on 20 MHz microcontrollers + * These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required + * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behaviour. + * + * USE_OCR2A_AS_TOP [undefined by default] + * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: + * 16MHz MCUs: [62.5KHz, 31.4KHz (default), 7.8KHz, 3.92KHz, 1.95KHz, 977Hz, 488Hz, 244Hz, 60Hz, 122Hz, 30Hz] + * 20MHz MCUs: [78.1KHz, 39.2KHz (default), 9.77KHz, 4.9KHz, 2.44KHz, 1.22KHz, 610Hz, 305Hz, 153Hz, 76Hz, 38Hz] + * A greater range can be achieved by enabling USE_OCR2A_AS_TOP. But note that this option blocks the use of + * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) + * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. + */ +#if ENABLED(FAST_PWM_FAN) + //#define FAST_PWM_FAN_FREQUENCY 31400 + //#define USE_OCR2A_AS_TOP +#endif + // @section extruder /** diff --git a/config/examples/Anet/A8/Configuration_adv.h b/config/examples/Anet/A8/Configuration_adv.h index 3490e83e9..e361c601c 100644 --- a/config/examples/Anet/A8/Configuration_adv.h +++ b/config/examples/Anet/A8/Configuration_adv.h @@ -241,6 +241,33 @@ //#define FAN_MIN_PWM 50 //#define FAN_MAX_PWM 128 +/** + * FAST PWM FAN Settings + * + * Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) + * Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a + * frequency as close as possible to the desired frequency. + * + * FAST_PWM_FAN_FREQUENCY [undefined by default] + * Set this to your desired frequency. + * If left undefined this defaults to F = F_CPU/(2*255*1) + * ie F = 31.4 Khz on 16 MHz microcontrollers or F = 39.2 KHz on 20 MHz microcontrollers + * These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required + * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behaviour. + * + * USE_OCR2A_AS_TOP [undefined by default] + * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: + * 16MHz MCUs: [62.5KHz, 31.4KHz (default), 7.8KHz, 3.92KHz, 1.95KHz, 977Hz, 488Hz, 244Hz, 60Hz, 122Hz, 30Hz] + * 20MHz MCUs: [78.1KHz, 39.2KHz (default), 9.77KHz, 4.9KHz, 2.44KHz, 1.22KHz, 610Hz, 305Hz, 153Hz, 76Hz, 38Hz] + * A greater range can be achieved by enabling USE_OCR2A_AS_TOP. But note that this option blocks the use of + * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) + * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. + */ +#if ENABLED(FAST_PWM_FAN) + //#define FAST_PWM_FAN_FREQUENCY 31400 + //#define USE_OCR2A_AS_TOP +#endif + // @section extruder /** diff --git a/config/examples/AnyCubic/i3/Configuration_adv.h b/config/examples/AnyCubic/i3/Configuration_adv.h index 924cc53d7..63a218b50 100644 --- a/config/examples/AnyCubic/i3/Configuration_adv.h +++ b/config/examples/AnyCubic/i3/Configuration_adv.h @@ -241,6 +241,33 @@ //#define FAN_MIN_PWM 50 //#define FAN_MAX_PWM 128 +/** + * FAST PWM FAN Settings + * + * Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) + * Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a + * frequency as close as possible to the desired frequency. + * + * FAST_PWM_FAN_FREQUENCY [undefined by default] + * Set this to your desired frequency. + * If left undefined this defaults to F = F_CPU/(2*255*1) + * ie F = 31.4 Khz on 16 MHz microcontrollers or F = 39.2 KHz on 20 MHz microcontrollers + * These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required + * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behaviour. + * + * USE_OCR2A_AS_TOP [undefined by default] + * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: + * 16MHz MCUs: [62.5KHz, 31.4KHz (default), 7.8KHz, 3.92KHz, 1.95KHz, 977Hz, 488Hz, 244Hz, 60Hz, 122Hz, 30Hz] + * 20MHz MCUs: [78.1KHz, 39.2KHz (default), 9.77KHz, 4.9KHz, 2.44KHz, 1.22KHz, 610Hz, 305Hz, 153Hz, 76Hz, 38Hz] + * A greater range can be achieved by enabling USE_OCR2A_AS_TOP. But note that this option blocks the use of + * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) + * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. + */ +#if ENABLED(FAST_PWM_FAN) + //#define FAST_PWM_FAN_FREQUENCY 31400 + //#define USE_OCR2A_AS_TOP +#endif + // @section extruder /** diff --git a/config/examples/ArmEd/Configuration_adv.h b/config/examples/ArmEd/Configuration_adv.h index 8f3c2ca79..7200c7173 100644 --- a/config/examples/ArmEd/Configuration_adv.h +++ b/config/examples/ArmEd/Configuration_adv.h @@ -245,6 +245,33 @@ //#define FAN_MIN_PWM 50 //#define FAN_MAX_PWM 128 +/** + * FAST PWM FAN Settings + * + * Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) + * Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a + * frequency as close as possible to the desired frequency. + * + * FAST_PWM_FAN_FREQUENCY [undefined by default] + * Set this to your desired frequency. + * If left undefined this defaults to F = F_CPU/(2*255*1) + * ie F = 31.4 Khz on 16 MHz microcontrollers or F = 39.2 KHz on 20 MHz microcontrollers + * These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required + * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behaviour. + * + * USE_OCR2A_AS_TOP [undefined by default] + * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: + * 16MHz MCUs: [62.5KHz, 31.4KHz (default), 7.8KHz, 3.92KHz, 1.95KHz, 977Hz, 488Hz, 244Hz, 60Hz, 122Hz, 30Hz] + * 20MHz MCUs: [78.1KHz, 39.2KHz (default), 9.77KHz, 4.9KHz, 2.44KHz, 1.22KHz, 610Hz, 305Hz, 153Hz, 76Hz, 38Hz] + * A greater range can be achieved by enabling USE_OCR2A_AS_TOP. But note that this option blocks the use of + * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) + * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. + */ +#if ENABLED(FAST_PWM_FAN) + //#define FAST_PWM_FAN_FREQUENCY 31400 + //#define USE_OCR2A_AS_TOP +#endif + // @section extruder /** diff --git a/config/examples/BIBO/TouchX/cyclops/Configuration_adv.h b/config/examples/BIBO/TouchX/cyclops/Configuration_adv.h index 2b84b5a64..10e8795b0 100644 --- a/config/examples/BIBO/TouchX/cyclops/Configuration_adv.h +++ b/config/examples/BIBO/TouchX/cyclops/Configuration_adv.h @@ -241,6 +241,33 @@ //#define FAN_MIN_PWM 50 //#define FAN_MAX_PWM 128 +/** + * FAST PWM FAN Settings + * + * Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) + * Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a + * frequency as close as possible to the desired frequency. + * + * FAST_PWM_FAN_FREQUENCY [undefined by default] + * Set this to your desired frequency. + * If left undefined this defaults to F = F_CPU/(2*255*1) + * ie F = 31.4 Khz on 16 MHz microcontrollers or F = 39.2 KHz on 20 MHz microcontrollers + * These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required + * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behaviour. + * + * USE_OCR2A_AS_TOP [undefined by default] + * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: + * 16MHz MCUs: [62.5KHz, 31.4KHz (default), 7.8KHz, 3.92KHz, 1.95KHz, 977Hz, 488Hz, 244Hz, 60Hz, 122Hz, 30Hz] + * 20MHz MCUs: [78.1KHz, 39.2KHz (default), 9.77KHz, 4.9KHz, 2.44KHz, 1.22KHz, 610Hz, 305Hz, 153Hz, 76Hz, 38Hz] + * A greater range can be achieved by enabling USE_OCR2A_AS_TOP. But note that this option blocks the use of + * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) + * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. + */ +#if ENABLED(FAST_PWM_FAN) + //#define FAST_PWM_FAN_FREQUENCY 31400 + //#define USE_OCR2A_AS_TOP +#endif + // @section extruder /** diff --git a/config/examples/BIBO/TouchX/default/Configuration_adv.h b/config/examples/BIBO/TouchX/default/Configuration_adv.h index 58742602c..4c98d0ec7 100644 --- a/config/examples/BIBO/TouchX/default/Configuration_adv.h +++ b/config/examples/BIBO/TouchX/default/Configuration_adv.h @@ -241,6 +241,33 @@ //#define FAN_MIN_PWM 50 //#define FAN_MAX_PWM 128 +/** + * FAST PWM FAN Settings + * + * Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) + * Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a + * frequency as close as possible to the desired frequency. + * + * FAST_PWM_FAN_FREQUENCY [undefined by default] + * Set this to your desired frequency. + * If left undefined this defaults to F = F_CPU/(2*255*1) + * ie F = 31.4 Khz on 16 MHz microcontrollers or F = 39.2 KHz on 20 MHz microcontrollers + * These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required + * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behaviour. + * + * USE_OCR2A_AS_TOP [undefined by default] + * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: + * 16MHz MCUs: [62.5KHz, 31.4KHz (default), 7.8KHz, 3.92KHz, 1.95KHz, 977Hz, 488Hz, 244Hz, 60Hz, 122Hz, 30Hz] + * 20MHz MCUs: [78.1KHz, 39.2KHz (default), 9.77KHz, 4.9KHz, 2.44KHz, 1.22KHz, 610Hz, 305Hz, 153Hz, 76Hz, 38Hz] + * A greater range can be achieved by enabling USE_OCR2A_AS_TOP. But note that this option blocks the use of + * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) + * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. + */ +#if ENABLED(FAST_PWM_FAN) + //#define FAST_PWM_FAN_FREQUENCY 31400 + //#define USE_OCR2A_AS_TOP +#endif + // @section extruder /** diff --git a/config/examples/BQ/Hephestos/Configuration_adv.h b/config/examples/BQ/Hephestos/Configuration_adv.h index 5d51a58e3..6eecdb6e7 100644 --- a/config/examples/BQ/Hephestos/Configuration_adv.h +++ b/config/examples/BQ/Hephestos/Configuration_adv.h @@ -241,6 +241,33 @@ //#define FAN_MIN_PWM 50 //#define FAN_MAX_PWM 128 +/** + * FAST PWM FAN Settings + * + * Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) + * Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a + * frequency as close as possible to the desired frequency. + * + * FAST_PWM_FAN_FREQUENCY [undefined by default] + * Set this to your desired frequency. + * If left undefined this defaults to F = F_CPU/(2*255*1) + * ie F = 31.4 Khz on 16 MHz microcontrollers or F = 39.2 KHz on 20 MHz microcontrollers + * These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required + * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behaviour. + * + * USE_OCR2A_AS_TOP [undefined by default] + * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: + * 16MHz MCUs: [62.5KHz, 31.4KHz (default), 7.8KHz, 3.92KHz, 1.95KHz, 977Hz, 488Hz, 244Hz, 60Hz, 122Hz, 30Hz] + * 20MHz MCUs: [78.1KHz, 39.2KHz (default), 9.77KHz, 4.9KHz, 2.44KHz, 1.22KHz, 610Hz, 305Hz, 153Hz, 76Hz, 38Hz] + * A greater range can be achieved by enabling USE_OCR2A_AS_TOP. But note that this option blocks the use of + * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) + * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. + */ +#if ENABLED(FAST_PWM_FAN) + //#define FAST_PWM_FAN_FREQUENCY 31400 + //#define USE_OCR2A_AS_TOP +#endif + // @section extruder /** diff --git a/config/examples/BQ/Hephestos_2/Configuration_adv.h b/config/examples/BQ/Hephestos_2/Configuration_adv.h index d48c74c44..dfa563ea1 100644 --- a/config/examples/BQ/Hephestos_2/Configuration_adv.h +++ b/config/examples/BQ/Hephestos_2/Configuration_adv.h @@ -241,6 +241,33 @@ //#define FAN_MIN_PWM 50 //#define FAN_MAX_PWM 128 +/** + * FAST PWM FAN Settings + * + * Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) + * Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a + * frequency as close as possible to the desired frequency. + * + * FAST_PWM_FAN_FREQUENCY [undefined by default] + * Set this to your desired frequency. + * If left undefined this defaults to F = F_CPU/(2*255*1) + * ie F = 31.4 Khz on 16 MHz microcontrollers or F = 39.2 KHz on 20 MHz microcontrollers + * These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required + * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behaviour. + * + * USE_OCR2A_AS_TOP [undefined by default] + * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: + * 16MHz MCUs: [62.5KHz, 31.4KHz (default), 7.8KHz, 3.92KHz, 1.95KHz, 977Hz, 488Hz, 244Hz, 60Hz, 122Hz, 30Hz] + * 20MHz MCUs: [78.1KHz, 39.2KHz (default), 9.77KHz, 4.9KHz, 2.44KHz, 1.22KHz, 610Hz, 305Hz, 153Hz, 76Hz, 38Hz] + * A greater range can be achieved by enabling USE_OCR2A_AS_TOP. But note that this option blocks the use of + * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) + * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. + */ +#if ENABLED(FAST_PWM_FAN) + //#define FAST_PWM_FAN_FREQUENCY 31400 + //#define USE_OCR2A_AS_TOP +#endif + // @section extruder /** diff --git a/config/examples/BQ/WITBOX/Configuration_adv.h b/config/examples/BQ/WITBOX/Configuration_adv.h index 5d51a58e3..6eecdb6e7 100644 --- a/config/examples/BQ/WITBOX/Configuration_adv.h +++ b/config/examples/BQ/WITBOX/Configuration_adv.h @@ -241,6 +241,33 @@ //#define FAN_MIN_PWM 50 //#define FAN_MAX_PWM 128 +/** + * FAST PWM FAN Settings + * + * Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) + * Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a + * frequency as close as possible to the desired frequency. + * + * FAST_PWM_FAN_FREQUENCY [undefined by default] + * Set this to your desired frequency. + * If left undefined this defaults to F = F_CPU/(2*255*1) + * ie F = 31.4 Khz on 16 MHz microcontrollers or F = 39.2 KHz on 20 MHz microcontrollers + * These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required + * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behaviour. + * + * USE_OCR2A_AS_TOP [undefined by default] + * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: + * 16MHz MCUs: [62.5KHz, 31.4KHz (default), 7.8KHz, 3.92KHz, 1.95KHz, 977Hz, 488Hz, 244Hz, 60Hz, 122Hz, 30Hz] + * 20MHz MCUs: [78.1KHz, 39.2KHz (default), 9.77KHz, 4.9KHz, 2.44KHz, 1.22KHz, 610Hz, 305Hz, 153Hz, 76Hz, 38Hz] + * A greater range can be achieved by enabling USE_OCR2A_AS_TOP. But note that this option blocks the use of + * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) + * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. + */ +#if ENABLED(FAST_PWM_FAN) + //#define FAST_PWM_FAN_FREQUENCY 31400 + //#define USE_OCR2A_AS_TOP +#endif + // @section extruder /** diff --git a/config/examples/Cartesio/Configuration_adv.h b/config/examples/Cartesio/Configuration_adv.h index 9d2652a8e..f94d78db1 100644 --- a/config/examples/Cartesio/Configuration_adv.h +++ b/config/examples/Cartesio/Configuration_adv.h @@ -241,6 +241,33 @@ //#define FAN_MIN_PWM 50 //#define FAN_MAX_PWM 128 +/** + * FAST PWM FAN Settings + * + * Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) + * Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a + * frequency as close as possible to the desired frequency. + * + * FAST_PWM_FAN_FREQUENCY [undefined by default] + * Set this to your desired frequency. + * If left undefined this defaults to F = F_CPU/(2*255*1) + * ie F = 31.4 Khz on 16 MHz microcontrollers or F = 39.2 KHz on 20 MHz microcontrollers + * These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required + * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behaviour. + * + * USE_OCR2A_AS_TOP [undefined by default] + * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: + * 16MHz MCUs: [62.5KHz, 31.4KHz (default), 7.8KHz, 3.92KHz, 1.95KHz, 977Hz, 488Hz, 244Hz, 60Hz, 122Hz, 30Hz] + * 20MHz MCUs: [78.1KHz, 39.2KHz (default), 9.77KHz, 4.9KHz, 2.44KHz, 1.22KHz, 610Hz, 305Hz, 153Hz, 76Hz, 38Hz] + * A greater range can be achieved by enabling USE_OCR2A_AS_TOP. But note that this option blocks the use of + * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) + * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. + */ +#if ENABLED(FAST_PWM_FAN) + //#define FAST_PWM_FAN_FREQUENCY 31400 + //#define USE_OCR2A_AS_TOP +#endif + // @section extruder /** diff --git a/config/examples/Creality/CR-10/Configuration_adv.h b/config/examples/Creality/CR-10/Configuration_adv.h index 111c74235..8eaae19b1 100644 --- a/config/examples/Creality/CR-10/Configuration_adv.h +++ b/config/examples/Creality/CR-10/Configuration_adv.h @@ -241,6 +241,33 @@ //#define FAN_MIN_PWM 50 //#define FAN_MAX_PWM 128 +/** + * FAST PWM FAN Settings + * + * Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) + * Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a + * frequency as close as possible to the desired frequency. + * + * FAST_PWM_FAN_FREQUENCY [undefined by default] + * Set this to your desired frequency. + * If left undefined this defaults to F = F_CPU/(2*255*1) + * ie F = 31.4 Khz on 16 MHz microcontrollers or F = 39.2 KHz on 20 MHz microcontrollers + * These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required + * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behaviour. + * + * USE_OCR2A_AS_TOP [undefined by default] + * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: + * 16MHz MCUs: [62.5KHz, 31.4KHz (default), 7.8KHz, 3.92KHz, 1.95KHz, 977Hz, 488Hz, 244Hz, 60Hz, 122Hz, 30Hz] + * 20MHz MCUs: [78.1KHz, 39.2KHz (default), 9.77KHz, 4.9KHz, 2.44KHz, 1.22KHz, 610Hz, 305Hz, 153Hz, 76Hz, 38Hz] + * A greater range can be achieved by enabling USE_OCR2A_AS_TOP. But note that this option blocks the use of + * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) + * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. + */ +#if ENABLED(FAST_PWM_FAN) + //#define FAST_PWM_FAN_FREQUENCY 31400 + //#define USE_OCR2A_AS_TOP +#endif + // @section extruder /** diff --git a/config/examples/Creality/CR-10S/Configuration_adv.h b/config/examples/Creality/CR-10S/Configuration_adv.h index 501ef5a09..326955da6 100644 --- a/config/examples/Creality/CR-10S/Configuration_adv.h +++ b/config/examples/Creality/CR-10S/Configuration_adv.h @@ -241,6 +241,33 @@ //#define FAN_MIN_PWM 50 //#define FAN_MAX_PWM 128 +/** + * FAST PWM FAN Settings + * + * Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) + * Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a + * frequency as close as possible to the desired frequency. + * + * FAST_PWM_FAN_FREQUENCY [undefined by default] + * Set this to your desired frequency. + * If left undefined this defaults to F = F_CPU/(2*255*1) + * ie F = 31.4 Khz on 16 MHz microcontrollers or F = 39.2 KHz on 20 MHz microcontrollers + * These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required + * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behaviour. + * + * USE_OCR2A_AS_TOP [undefined by default] + * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: + * 16MHz MCUs: [62.5KHz, 31.4KHz (default), 7.8KHz, 3.92KHz, 1.95KHz, 977Hz, 488Hz, 244Hz, 60Hz, 122Hz, 30Hz] + * 20MHz MCUs: [78.1KHz, 39.2KHz (default), 9.77KHz, 4.9KHz, 2.44KHz, 1.22KHz, 610Hz, 305Hz, 153Hz, 76Hz, 38Hz] + * A greater range can be achieved by enabling USE_OCR2A_AS_TOP. But note that this option blocks the use of + * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) + * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. + */ +#if ENABLED(FAST_PWM_FAN) + //#define FAST_PWM_FAN_FREQUENCY 31400 + //#define USE_OCR2A_AS_TOP +#endif + // @section extruder /** diff --git a/config/examples/Creality/CR-10_5S/Configuration_adv.h b/config/examples/Creality/CR-10_5S/Configuration_adv.h index 36587da95..21fcfc18f 100644 --- a/config/examples/Creality/CR-10_5S/Configuration_adv.h +++ b/config/examples/Creality/CR-10_5S/Configuration_adv.h @@ -241,6 +241,33 @@ //#define FAN_MIN_PWM 50 //#define FAN_MAX_PWM 128 +/** + * FAST PWM FAN Settings + * + * Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) + * Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a + * frequency as close as possible to the desired frequency. + * + * FAST_PWM_FAN_FREQUENCY [undefined by default] + * Set this to your desired frequency. + * If left undefined this defaults to F = F_CPU/(2*255*1) + * ie F = 31.4 Khz on 16 MHz microcontrollers or F = 39.2 KHz on 20 MHz microcontrollers + * These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required + * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behaviour. + * + * USE_OCR2A_AS_TOP [undefined by default] + * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: + * 16MHz MCUs: [62.5KHz, 31.4KHz (default), 7.8KHz, 3.92KHz, 1.95KHz, 977Hz, 488Hz, 244Hz, 60Hz, 122Hz, 30Hz] + * 20MHz MCUs: [78.1KHz, 39.2KHz (default), 9.77KHz, 4.9KHz, 2.44KHz, 1.22KHz, 610Hz, 305Hz, 153Hz, 76Hz, 38Hz] + * A greater range can be achieved by enabling USE_OCR2A_AS_TOP. But note that this option blocks the use of + * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) + * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. + */ +#if ENABLED(FAST_PWM_FAN) + //#define FAST_PWM_FAN_FREQUENCY 31400 + //#define USE_OCR2A_AS_TOP +#endif + // @section extruder /** diff --git a/config/examples/Creality/CR-10mini/Configuration_adv.h b/config/examples/Creality/CR-10mini/Configuration_adv.h index 2af6b8b3f..28319c763 100644 --- a/config/examples/Creality/CR-10mini/Configuration_adv.h +++ b/config/examples/Creality/CR-10mini/Configuration_adv.h @@ -241,6 +241,33 @@ //#define FAN_MIN_PWM 50 //#define FAN_MAX_PWM 128 +/** + * FAST PWM FAN Settings + * + * Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) + * Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a + * frequency as close as possible to the desired frequency. + * + * FAST_PWM_FAN_FREQUENCY [undefined by default] + * Set this to your desired frequency. + * If left undefined this defaults to F = F_CPU/(2*255*1) + * ie F = 31.4 Khz on 16 MHz microcontrollers or F = 39.2 KHz on 20 MHz microcontrollers + * These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required + * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behaviour. + * + * USE_OCR2A_AS_TOP [undefined by default] + * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: + * 16MHz MCUs: [62.5KHz, 31.4KHz (default), 7.8KHz, 3.92KHz, 1.95KHz, 977Hz, 488Hz, 244Hz, 60Hz, 122Hz, 30Hz] + * 20MHz MCUs: [78.1KHz, 39.2KHz (default), 9.77KHz, 4.9KHz, 2.44KHz, 1.22KHz, 610Hz, 305Hz, 153Hz, 76Hz, 38Hz] + * A greater range can be achieved by enabling USE_OCR2A_AS_TOP. But note that this option blocks the use of + * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) + * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. + */ +#if ENABLED(FAST_PWM_FAN) + //#define FAST_PWM_FAN_FREQUENCY 31400 + //#define USE_OCR2A_AS_TOP +#endif + // @section extruder /** diff --git a/config/examples/Creality/CR-8/Configuration_adv.h b/config/examples/Creality/CR-8/Configuration_adv.h index 0d6c4363d..b141c6095 100644 --- a/config/examples/Creality/CR-8/Configuration_adv.h +++ b/config/examples/Creality/CR-8/Configuration_adv.h @@ -241,6 +241,33 @@ //#define FAN_MIN_PWM 50 //#define FAN_MAX_PWM 128 +/** + * FAST PWM FAN Settings + * + * Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) + * Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a + * frequency as close as possible to the desired frequency. + * + * FAST_PWM_FAN_FREQUENCY [undefined by default] + * Set this to your desired frequency. + * If left undefined this defaults to F = F_CPU/(2*255*1) + * ie F = 31.4 Khz on 16 MHz microcontrollers or F = 39.2 KHz on 20 MHz microcontrollers + * These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required + * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behaviour. + * + * USE_OCR2A_AS_TOP [undefined by default] + * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: + * 16MHz MCUs: [62.5KHz, 31.4KHz (default), 7.8KHz, 3.92KHz, 1.95KHz, 977Hz, 488Hz, 244Hz, 60Hz, 122Hz, 30Hz] + * 20MHz MCUs: [78.1KHz, 39.2KHz (default), 9.77KHz, 4.9KHz, 2.44KHz, 1.22KHz, 610Hz, 305Hz, 153Hz, 76Hz, 38Hz] + * A greater range can be achieved by enabling USE_OCR2A_AS_TOP. But note that this option blocks the use of + * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) + * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. + */ +#if ENABLED(FAST_PWM_FAN) + //#define FAST_PWM_FAN_FREQUENCY 31400 + //#define USE_OCR2A_AS_TOP +#endif + // @section extruder /** diff --git a/config/examples/Creality/Ender-2/Configuration_adv.h b/config/examples/Creality/Ender-2/Configuration_adv.h index 7d9e08915..b1f34b8ec 100644 --- a/config/examples/Creality/Ender-2/Configuration_adv.h +++ b/config/examples/Creality/Ender-2/Configuration_adv.h @@ -241,6 +241,33 @@ //#define FAN_MIN_PWM 50 //#define FAN_MAX_PWM 128 +/** + * FAST PWM FAN Settings + * + * Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) + * Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a + * frequency as close as possible to the desired frequency. + * + * FAST_PWM_FAN_FREQUENCY [undefined by default] + * Set this to your desired frequency. + * If left undefined this defaults to F = F_CPU/(2*255*1) + * ie F = 31.4 Khz on 16 MHz microcontrollers or F = 39.2 KHz on 20 MHz microcontrollers + * These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required + * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behaviour. + * + * USE_OCR2A_AS_TOP [undefined by default] + * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: + * 16MHz MCUs: [62.5KHz, 31.4KHz (default), 7.8KHz, 3.92KHz, 1.95KHz, 977Hz, 488Hz, 244Hz, 60Hz, 122Hz, 30Hz] + * 20MHz MCUs: [78.1KHz, 39.2KHz (default), 9.77KHz, 4.9KHz, 2.44KHz, 1.22KHz, 610Hz, 305Hz, 153Hz, 76Hz, 38Hz] + * A greater range can be achieved by enabling USE_OCR2A_AS_TOP. But note that this option blocks the use of + * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) + * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. + */ +#if ENABLED(FAST_PWM_FAN) + //#define FAST_PWM_FAN_FREQUENCY 31400 + //#define USE_OCR2A_AS_TOP +#endif + // @section extruder /** diff --git a/config/examples/Creality/Ender-3/Configuration_adv.h b/config/examples/Creality/Ender-3/Configuration_adv.h index f8ffc8e8d..e487926ba 100644 --- a/config/examples/Creality/Ender-3/Configuration_adv.h +++ b/config/examples/Creality/Ender-3/Configuration_adv.h @@ -241,6 +241,33 @@ //#define FAN_MIN_PWM 50 //#define FAN_MAX_PWM 128 +/** + * FAST PWM FAN Settings + * + * Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) + * Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a + * frequency as close as possible to the desired frequency. + * + * FAST_PWM_FAN_FREQUENCY [undefined by default] + * Set this to your desired frequency. + * If left undefined this defaults to F = F_CPU/(2*255*1) + * ie F = 31.4 Khz on 16 MHz microcontrollers or F = 39.2 KHz on 20 MHz microcontrollers + * These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required + * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behaviour. + * + * USE_OCR2A_AS_TOP [undefined by default] + * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: + * 16MHz MCUs: [62.5KHz, 31.4KHz (default), 7.8KHz, 3.92KHz, 1.95KHz, 977Hz, 488Hz, 244Hz, 60Hz, 122Hz, 30Hz] + * 20MHz MCUs: [78.1KHz, 39.2KHz (default), 9.77KHz, 4.9KHz, 2.44KHz, 1.22KHz, 610Hz, 305Hz, 153Hz, 76Hz, 38Hz] + * A greater range can be achieved by enabling USE_OCR2A_AS_TOP. But note that this option blocks the use of + * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) + * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. + */ +#if ENABLED(FAST_PWM_FAN) + //#define FAST_PWM_FAN_FREQUENCY 31400 + //#define USE_OCR2A_AS_TOP +#endif + // @section extruder /** diff --git a/config/examples/Creality/Ender-4/Configuration_adv.h b/config/examples/Creality/Ender-4/Configuration_adv.h index 613b358a3..9a0fb89c2 100644 --- a/config/examples/Creality/Ender-4/Configuration_adv.h +++ b/config/examples/Creality/Ender-4/Configuration_adv.h @@ -241,6 +241,33 @@ //#define FAN_MIN_PWM 50 //#define FAN_MAX_PWM 128 +/** + * FAST PWM FAN Settings + * + * Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) + * Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a + * frequency as close as possible to the desired frequency. + * + * FAST_PWM_FAN_FREQUENCY [undefined by default] + * Set this to your desired frequency. + * If left undefined this defaults to F = F_CPU/(2*255*1) + * ie F = 31.4 Khz on 16 MHz microcontrollers or F = 39.2 KHz on 20 MHz microcontrollers + * These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required + * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behaviour. + * + * USE_OCR2A_AS_TOP [undefined by default] + * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: + * 16MHz MCUs: [62.5KHz, 31.4KHz (default), 7.8KHz, 3.92KHz, 1.95KHz, 977Hz, 488Hz, 244Hz, 60Hz, 122Hz, 30Hz] + * 20MHz MCUs: [78.1KHz, 39.2KHz (default), 9.77KHz, 4.9KHz, 2.44KHz, 1.22KHz, 610Hz, 305Hz, 153Hz, 76Hz, 38Hz] + * A greater range can be achieved by enabling USE_OCR2A_AS_TOP. But note that this option blocks the use of + * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) + * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. + */ +#if ENABLED(FAST_PWM_FAN) + //#define FAST_PWM_FAN_FREQUENCY 31400 + //#define USE_OCR2A_AS_TOP +#endif + // @section extruder /** diff --git a/config/examples/Einstart-S/Configuration_adv.h b/config/examples/Einstart-S/Configuration_adv.h index 71d7d8d6c..5dbfa8b61 100644 --- a/config/examples/Einstart-S/Configuration_adv.h +++ b/config/examples/Einstart-S/Configuration_adv.h @@ -241,6 +241,33 @@ //#define FAN_MIN_PWM 50 //#define FAN_MAX_PWM 128 +/** + * FAST PWM FAN Settings + * + * Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) + * Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a + * frequency as close as possible to the desired frequency. + * + * FAST_PWM_FAN_FREQUENCY [undefined by default] + * Set this to your desired frequency. + * If left undefined this defaults to F = F_CPU/(2*255*1) + * ie F = 31.4 Khz on 16 MHz microcontrollers or F = 39.2 KHz on 20 MHz microcontrollers + * These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required + * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behaviour. + * + * USE_OCR2A_AS_TOP [undefined by default] + * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: + * 16MHz MCUs: [62.5KHz, 31.4KHz (default), 7.8KHz, 3.92KHz, 1.95KHz, 977Hz, 488Hz, 244Hz, 60Hz, 122Hz, 30Hz] + * 20MHz MCUs: [78.1KHz, 39.2KHz (default), 9.77KHz, 4.9KHz, 2.44KHz, 1.22KHz, 610Hz, 305Hz, 153Hz, 76Hz, 38Hz] + * A greater range can be achieved by enabling USE_OCR2A_AS_TOP. But note that this option blocks the use of + * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) + * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. + */ +#if ENABLED(FAST_PWM_FAN) + //#define FAST_PWM_FAN_FREQUENCY 31400 + //#define USE_OCR2A_AS_TOP +#endif + // @section extruder /** diff --git a/config/examples/Felix/Configuration_adv.h b/config/examples/Felix/Configuration_adv.h index 97fbcb4d9..5bf58fb69 100644 --- a/config/examples/Felix/Configuration_adv.h +++ b/config/examples/Felix/Configuration_adv.h @@ -241,6 +241,33 @@ //#define FAN_MIN_PWM 50 //#define FAN_MAX_PWM 128 +/** + * FAST PWM FAN Settings + * + * Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) + * Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a + * frequency as close as possible to the desired frequency. + * + * FAST_PWM_FAN_FREQUENCY [undefined by default] + * Set this to your desired frequency. + * If left undefined this defaults to F = F_CPU/(2*255*1) + * ie F = 31.4 Khz on 16 MHz microcontrollers or F = 39.2 KHz on 20 MHz microcontrollers + * These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required + * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behaviour. + * + * USE_OCR2A_AS_TOP [undefined by default] + * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: + * 16MHz MCUs: [62.5KHz, 31.4KHz (default), 7.8KHz, 3.92KHz, 1.95KHz, 977Hz, 488Hz, 244Hz, 60Hz, 122Hz, 30Hz] + * 20MHz MCUs: [78.1KHz, 39.2KHz (default), 9.77KHz, 4.9KHz, 2.44KHz, 1.22KHz, 610Hz, 305Hz, 153Hz, 76Hz, 38Hz] + * A greater range can be achieved by enabling USE_OCR2A_AS_TOP. But note that this option blocks the use of + * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) + * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. + */ +#if ENABLED(FAST_PWM_FAN) + //#define FAST_PWM_FAN_FREQUENCY 31400 + //#define USE_OCR2A_AS_TOP +#endif + // @section extruder /** diff --git a/config/examples/FlashForge/CreatorPro/Configuration_adv.h b/config/examples/FlashForge/CreatorPro/Configuration_adv.h index ad506c042..edb8b3e7b 100644 --- a/config/examples/FlashForge/CreatorPro/Configuration_adv.h +++ b/config/examples/FlashForge/CreatorPro/Configuration_adv.h @@ -241,6 +241,33 @@ //#define FAN_MIN_PWM 50 //#define FAN_MAX_PWM 128 +/** + * FAST PWM FAN Settings + * + * Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) + * Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a + * frequency as close as possible to the desired frequency. + * + * FAST_PWM_FAN_FREQUENCY [undefined by default] + * Set this to your desired frequency. + * If left undefined this defaults to F = F_CPU/(2*255*1) + * ie F = 31.4 Khz on 16 MHz microcontrollers or F = 39.2 KHz on 20 MHz microcontrollers + * These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required + * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behaviour. + * + * USE_OCR2A_AS_TOP [undefined by default] + * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: + * 16MHz MCUs: [62.5KHz, 31.4KHz (default), 7.8KHz, 3.92KHz, 1.95KHz, 977Hz, 488Hz, 244Hz, 60Hz, 122Hz, 30Hz] + * 20MHz MCUs: [78.1KHz, 39.2KHz (default), 9.77KHz, 4.9KHz, 2.44KHz, 1.22KHz, 610Hz, 305Hz, 153Hz, 76Hz, 38Hz] + * A greater range can be achieved by enabling USE_OCR2A_AS_TOP. But note that this option blocks the use of + * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) + * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. + */ +#if ENABLED(FAST_PWM_FAN) + //#define FAST_PWM_FAN_FREQUENCY 31400 + //#define USE_OCR2A_AS_TOP +#endif + // @section extruder /** diff --git a/config/examples/FolgerTech/i3-2020/Configuration_adv.h b/config/examples/FolgerTech/i3-2020/Configuration_adv.h index a5e6d7566..fc8c2d3c4 100644 --- a/config/examples/FolgerTech/i3-2020/Configuration_adv.h +++ b/config/examples/FolgerTech/i3-2020/Configuration_adv.h @@ -241,6 +241,33 @@ //#define FAN_MIN_PWM 50 //#define FAN_MAX_PWM 128 +/** + * FAST PWM FAN Settings + * + * Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) + * Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a + * frequency as close as possible to the desired frequency. + * + * FAST_PWM_FAN_FREQUENCY [undefined by default] + * Set this to your desired frequency. + * If left undefined this defaults to F = F_CPU/(2*255*1) + * ie F = 31.4 Khz on 16 MHz microcontrollers or F = 39.2 KHz on 20 MHz microcontrollers + * These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required + * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behaviour. + * + * USE_OCR2A_AS_TOP [undefined by default] + * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: + * 16MHz MCUs: [62.5KHz, 31.4KHz (default), 7.8KHz, 3.92KHz, 1.95KHz, 977Hz, 488Hz, 244Hz, 60Hz, 122Hz, 30Hz] + * 20MHz MCUs: [78.1KHz, 39.2KHz (default), 9.77KHz, 4.9KHz, 2.44KHz, 1.22KHz, 610Hz, 305Hz, 153Hz, 76Hz, 38Hz] + * A greater range can be achieved by enabling USE_OCR2A_AS_TOP. But note that this option blocks the use of + * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) + * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. + */ +#if ENABLED(FAST_PWM_FAN) + //#define FAST_PWM_FAN_FREQUENCY 31400 + //#define USE_OCR2A_AS_TOP +#endif + // @section extruder /** diff --git a/config/examples/Formbot/Raptor/Configuration_adv.h b/config/examples/Formbot/Raptor/Configuration_adv.h index 3a86f1a14..d163e72ed 100644 --- a/config/examples/Formbot/Raptor/Configuration_adv.h +++ b/config/examples/Formbot/Raptor/Configuration_adv.h @@ -241,6 +241,33 @@ //#define FAN_MIN_PWM 50 //#define FAN_MAX_PWM 128 +/** + * FAST PWM FAN Settings + * + * Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) + * Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a + * frequency as close as possible to the desired frequency. + * + * FAST_PWM_FAN_FREQUENCY [undefined by default] + * Set this to your desired frequency. + * If left undefined this defaults to F = F_CPU/(2*255*1) + * ie F = 31.4 Khz on 16 MHz microcontrollers or F = 39.2 KHz on 20 MHz microcontrollers + * These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required + * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behaviour. + * + * USE_OCR2A_AS_TOP [undefined by default] + * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: + * 16MHz MCUs: [62.5KHz, 31.4KHz (default), 7.8KHz, 3.92KHz, 1.95KHz, 977Hz, 488Hz, 244Hz, 60Hz, 122Hz, 30Hz] + * 20MHz MCUs: [78.1KHz, 39.2KHz (default), 9.77KHz, 4.9KHz, 2.44KHz, 1.22KHz, 610Hz, 305Hz, 153Hz, 76Hz, 38Hz] + * A greater range can be achieved by enabling USE_OCR2A_AS_TOP. But note that this option blocks the use of + * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) + * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. + */ +#if ENABLED(FAST_PWM_FAN) + //#define FAST_PWM_FAN_FREQUENCY 31400 + //#define USE_OCR2A_AS_TOP +#endif + // @section extruder /** diff --git a/config/examples/Formbot/T_Rex_2+/Configuration_adv.h b/config/examples/Formbot/T_Rex_2+/Configuration_adv.h index f8c343159..ee2c993da 100644 --- a/config/examples/Formbot/T_Rex_2+/Configuration_adv.h +++ b/config/examples/Formbot/T_Rex_2+/Configuration_adv.h @@ -241,6 +241,33 @@ #define FAN_MIN_PWM 45 //#define FAN_MAX_PWM 128 +/** + * FAST PWM FAN Settings + * + * Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) + * Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a + * frequency as close as possible to the desired frequency. + * + * FAST_PWM_FAN_FREQUENCY [undefined by default] + * Set this to your desired frequency. + * If left undefined this defaults to F = F_CPU/(2*255*1) + * ie F = 31.4 Khz on 16 MHz microcontrollers or F = 39.2 KHz on 20 MHz microcontrollers + * These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required + * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behaviour. + * + * USE_OCR2A_AS_TOP [undefined by default] + * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: + * 16MHz MCUs: [62.5KHz, 31.4KHz (default), 7.8KHz, 3.92KHz, 1.95KHz, 977Hz, 488Hz, 244Hz, 60Hz, 122Hz, 30Hz] + * 20MHz MCUs: [78.1KHz, 39.2KHz (default), 9.77KHz, 4.9KHz, 2.44KHz, 1.22KHz, 610Hz, 305Hz, 153Hz, 76Hz, 38Hz] + * A greater range can be achieved by enabling USE_OCR2A_AS_TOP. But note that this option blocks the use of + * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) + * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. + */ +#if ENABLED(FAST_PWM_FAN) + //#define FAST_PWM_FAN_FREQUENCY 31400 + //#define USE_OCR2A_AS_TOP +#endif + // @section extruder /** diff --git a/config/examples/Formbot/T_Rex_3/Configuration_adv.h b/config/examples/Formbot/T_Rex_3/Configuration_adv.h index 42afb67d6..6bd3aa21a 100644 --- a/config/examples/Formbot/T_Rex_3/Configuration_adv.h +++ b/config/examples/Formbot/T_Rex_3/Configuration_adv.h @@ -241,6 +241,33 @@ #define FAN_MIN_PWM 64 //#define FAN_MAX_PWM 128 +/** + * FAST PWM FAN Settings + * + * Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) + * Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a + * frequency as close as possible to the desired frequency. + * + * FAST_PWM_FAN_FREQUENCY [undefined by default] + * Set this to your desired frequency. + * If left undefined this defaults to F = F_CPU/(2*255*1) + * ie F = 31.4 Khz on 16 MHz microcontrollers or F = 39.2 KHz on 20 MHz microcontrollers + * These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required + * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behaviour. + * + * USE_OCR2A_AS_TOP [undefined by default] + * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: + * 16MHz MCUs: [62.5KHz, 31.4KHz (default), 7.8KHz, 3.92KHz, 1.95KHz, 977Hz, 488Hz, 244Hz, 60Hz, 122Hz, 30Hz] + * 20MHz MCUs: [78.1KHz, 39.2KHz (default), 9.77KHz, 4.9KHz, 2.44KHz, 1.22KHz, 610Hz, 305Hz, 153Hz, 76Hz, 38Hz] + * A greater range can be achieved by enabling USE_OCR2A_AS_TOP. But note that this option blocks the use of + * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) + * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. + */ +#if ENABLED(FAST_PWM_FAN) + //#define FAST_PWM_FAN_FREQUENCY 31400 + //#define USE_OCR2A_AS_TOP +#endif + // @section extruder /** diff --git a/config/examples/Geeetech/A10M/Configuration_adv.h b/config/examples/Geeetech/A10M/Configuration_adv.h index eac0599ec..7518e018a 100644 --- a/config/examples/Geeetech/A10M/Configuration_adv.h +++ b/config/examples/Geeetech/A10M/Configuration_adv.h @@ -241,6 +241,33 @@ //#define FAN_MIN_PWM 50 //#define FAN_MAX_PWM 128 +/** + * FAST PWM FAN Settings + * + * Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) + * Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a + * frequency as close as possible to the desired frequency. + * + * FAST_PWM_FAN_FREQUENCY [undefined by default] + * Set this to your desired frequency. + * If left undefined this defaults to F = F_CPU/(2*255*1) + * ie F = 31.4 Khz on 16 MHz microcontrollers or F = 39.2 KHz on 20 MHz microcontrollers + * These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required + * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behaviour. + * + * USE_OCR2A_AS_TOP [undefined by default] + * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: + * 16MHz MCUs: [62.5KHz, 31.4KHz (default), 7.8KHz, 3.92KHz, 1.95KHz, 977Hz, 488Hz, 244Hz, 60Hz, 122Hz, 30Hz] + * 20MHz MCUs: [78.1KHz, 39.2KHz (default), 9.77KHz, 4.9KHz, 2.44KHz, 1.22KHz, 610Hz, 305Hz, 153Hz, 76Hz, 38Hz] + * A greater range can be achieved by enabling USE_OCR2A_AS_TOP. But note that this option blocks the use of + * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) + * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. + */ +#if ENABLED(FAST_PWM_FAN) + //#define FAST_PWM_FAN_FREQUENCY 31400 + //#define USE_OCR2A_AS_TOP +#endif + // @section extruder /** diff --git a/config/examples/Geeetech/A20M/Configuration_adv.h b/config/examples/Geeetech/A20M/Configuration_adv.h index 670aed103..326234366 100644 --- a/config/examples/Geeetech/A20M/Configuration_adv.h +++ b/config/examples/Geeetech/A20M/Configuration_adv.h @@ -241,6 +241,33 @@ //#define FAN_MIN_PWM 50 //#define FAN_MAX_PWM 128 +/** + * FAST PWM FAN Settings + * + * Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) + * Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a + * frequency as close as possible to the desired frequency. + * + * FAST_PWM_FAN_FREQUENCY [undefined by default] + * Set this to your desired frequency. + * If left undefined this defaults to F = F_CPU/(2*255*1) + * ie F = 31.4 Khz on 16 MHz microcontrollers or F = 39.2 KHz on 20 MHz microcontrollers + * These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required + * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behaviour. + * + * USE_OCR2A_AS_TOP [undefined by default] + * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: + * 16MHz MCUs: [62.5KHz, 31.4KHz (default), 7.8KHz, 3.92KHz, 1.95KHz, 977Hz, 488Hz, 244Hz, 60Hz, 122Hz, 30Hz] + * 20MHz MCUs: [78.1KHz, 39.2KHz (default), 9.77KHz, 4.9KHz, 2.44KHz, 1.22KHz, 610Hz, 305Hz, 153Hz, 76Hz, 38Hz] + * A greater range can be achieved by enabling USE_OCR2A_AS_TOP. But note that this option blocks the use of + * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) + * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. + */ +#if ENABLED(FAST_PWM_FAN) + //#define FAST_PWM_FAN_FREQUENCY 31400 + //#define USE_OCR2A_AS_TOP +#endif + // @section extruder /** diff --git a/config/examples/Geeetech/MeCreator2/Configuration_adv.h b/config/examples/Geeetech/MeCreator2/Configuration_adv.h index 2bf5bc6e2..bf2b36498 100644 --- a/config/examples/Geeetech/MeCreator2/Configuration_adv.h +++ b/config/examples/Geeetech/MeCreator2/Configuration_adv.h @@ -241,6 +241,33 @@ //#define FAN_MIN_PWM 50 //#define FAN_MAX_PWM 128 +/** + * FAST PWM FAN Settings + * + * Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) + * Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a + * frequency as close as possible to the desired frequency. + * + * FAST_PWM_FAN_FREQUENCY [undefined by default] + * Set this to your desired frequency. + * If left undefined this defaults to F = F_CPU/(2*255*1) + * ie F = 31.4 Khz on 16 MHz microcontrollers or F = 39.2 KHz on 20 MHz microcontrollers + * These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required + * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behaviour. + * + * USE_OCR2A_AS_TOP [undefined by default] + * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: + * 16MHz MCUs: [62.5KHz, 31.4KHz (default), 7.8KHz, 3.92KHz, 1.95KHz, 977Hz, 488Hz, 244Hz, 60Hz, 122Hz, 30Hz] + * 20MHz MCUs: [78.1KHz, 39.2KHz (default), 9.77KHz, 4.9KHz, 2.44KHz, 1.22KHz, 610Hz, 305Hz, 153Hz, 76Hz, 38Hz] + * A greater range can be achieved by enabling USE_OCR2A_AS_TOP. But note that this option blocks the use of + * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) + * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. + */ +#if ENABLED(FAST_PWM_FAN) + //#define FAST_PWM_FAN_FREQUENCY 31400 + //#define USE_OCR2A_AS_TOP +#endif + // @section extruder /** diff --git a/config/examples/Geeetech/Prusa i3 Pro C/Configuration_adv.h b/config/examples/Geeetech/Prusa i3 Pro C/Configuration_adv.h index 8da1e0be3..5433ccf1b 100644 --- a/config/examples/Geeetech/Prusa i3 Pro C/Configuration_adv.h +++ b/config/examples/Geeetech/Prusa i3 Pro C/Configuration_adv.h @@ -241,6 +241,33 @@ //#define FAN_MIN_PWM 50 //#define FAN_MAX_PWM 128 +/** + * FAST PWM FAN Settings + * + * Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) + * Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a + * frequency as close as possible to the desired frequency. + * + * FAST_PWM_FAN_FREQUENCY [undefined by default] + * Set this to your desired frequency. + * If left undefined this defaults to F = F_CPU/(2*255*1) + * ie F = 31.4 Khz on 16 MHz microcontrollers or F = 39.2 KHz on 20 MHz microcontrollers + * These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required + * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behaviour. + * + * USE_OCR2A_AS_TOP [undefined by default] + * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: + * 16MHz MCUs: [62.5KHz, 31.4KHz (default), 7.8KHz, 3.92KHz, 1.95KHz, 977Hz, 488Hz, 244Hz, 60Hz, 122Hz, 30Hz] + * 20MHz MCUs: [78.1KHz, 39.2KHz (default), 9.77KHz, 4.9KHz, 2.44KHz, 1.22KHz, 610Hz, 305Hz, 153Hz, 76Hz, 38Hz] + * A greater range can be achieved by enabling USE_OCR2A_AS_TOP. But note that this option blocks the use of + * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) + * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. + */ +#if ENABLED(FAST_PWM_FAN) + //#define FAST_PWM_FAN_FREQUENCY 31400 + //#define USE_OCR2A_AS_TOP +#endif + // @section extruder /** diff --git a/config/examples/Geeetech/Prusa i3 Pro W/Configuration_adv.h b/config/examples/Geeetech/Prusa i3 Pro W/Configuration_adv.h index 8da1e0be3..5433ccf1b 100644 --- a/config/examples/Geeetech/Prusa i3 Pro W/Configuration_adv.h +++ b/config/examples/Geeetech/Prusa i3 Pro W/Configuration_adv.h @@ -241,6 +241,33 @@ //#define FAN_MIN_PWM 50 //#define FAN_MAX_PWM 128 +/** + * FAST PWM FAN Settings + * + * Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) + * Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a + * frequency as close as possible to the desired frequency. + * + * FAST_PWM_FAN_FREQUENCY [undefined by default] + * Set this to your desired frequency. + * If left undefined this defaults to F = F_CPU/(2*255*1) + * ie F = 31.4 Khz on 16 MHz microcontrollers or F = 39.2 KHz on 20 MHz microcontrollers + * These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required + * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behaviour. + * + * USE_OCR2A_AS_TOP [undefined by default] + * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: + * 16MHz MCUs: [62.5KHz, 31.4KHz (default), 7.8KHz, 3.92KHz, 1.95KHz, 977Hz, 488Hz, 244Hz, 60Hz, 122Hz, 30Hz] + * 20MHz MCUs: [78.1KHz, 39.2KHz (default), 9.77KHz, 4.9KHz, 2.44KHz, 1.22KHz, 610Hz, 305Hz, 153Hz, 76Hz, 38Hz] + * A greater range can be achieved by enabling USE_OCR2A_AS_TOP. But note that this option blocks the use of + * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) + * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. + */ +#if ENABLED(FAST_PWM_FAN) + //#define FAST_PWM_FAN_FREQUENCY 31400 + //#define USE_OCR2A_AS_TOP +#endif + // @section extruder /** diff --git a/config/examples/Infitary/i3-M508/Configuration_adv.h b/config/examples/Infitary/i3-M508/Configuration_adv.h index 04131aba6..ad3709f0c 100644 --- a/config/examples/Infitary/i3-M508/Configuration_adv.h +++ b/config/examples/Infitary/i3-M508/Configuration_adv.h @@ -241,6 +241,33 @@ //#define FAN_MIN_PWM 50 //#define FAN_MAX_PWM 128 +/** + * FAST PWM FAN Settings + * + * Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) + * Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a + * frequency as close as possible to the desired frequency. + * + * FAST_PWM_FAN_FREQUENCY [undefined by default] + * Set this to your desired frequency. + * If left undefined this defaults to F = F_CPU/(2*255*1) + * ie F = 31.4 Khz on 16 MHz microcontrollers or F = 39.2 KHz on 20 MHz microcontrollers + * These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required + * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behaviour. + * + * USE_OCR2A_AS_TOP [undefined by default] + * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: + * 16MHz MCUs: [62.5KHz, 31.4KHz (default), 7.8KHz, 3.92KHz, 1.95KHz, 977Hz, 488Hz, 244Hz, 60Hz, 122Hz, 30Hz] + * 20MHz MCUs: [78.1KHz, 39.2KHz (default), 9.77KHz, 4.9KHz, 2.44KHz, 1.22KHz, 610Hz, 305Hz, 153Hz, 76Hz, 38Hz] + * A greater range can be achieved by enabling USE_OCR2A_AS_TOP. But note that this option blocks the use of + * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) + * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. + */ +#if ENABLED(FAST_PWM_FAN) + //#define FAST_PWM_FAN_FREQUENCY 31400 + //#define USE_OCR2A_AS_TOP +#endif + // @section extruder /** diff --git a/config/examples/JGAurora/A5/Configuration_adv.h b/config/examples/JGAurora/A5/Configuration_adv.h index 5ec3d2ef2..b762526dc 100644 --- a/config/examples/JGAurora/A5/Configuration_adv.h +++ b/config/examples/JGAurora/A5/Configuration_adv.h @@ -241,6 +241,33 @@ //#define FAN_MIN_PWM 50 //#define FAN_MAX_PWM 128 +/** + * FAST PWM FAN Settings + * + * Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) + * Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a + * frequency as close as possible to the desired frequency. + * + * FAST_PWM_FAN_FREQUENCY [undefined by default] + * Set this to your desired frequency. + * If left undefined this defaults to F = F_CPU/(2*255*1) + * ie F = 31.4 Khz on 16 MHz microcontrollers or F = 39.2 KHz on 20 MHz microcontrollers + * These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required + * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behaviour. + * + * USE_OCR2A_AS_TOP [undefined by default] + * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: + * 16MHz MCUs: [62.5KHz, 31.4KHz (default), 7.8KHz, 3.92KHz, 1.95KHz, 977Hz, 488Hz, 244Hz, 60Hz, 122Hz, 30Hz] + * 20MHz MCUs: [78.1KHz, 39.2KHz (default), 9.77KHz, 4.9KHz, 2.44KHz, 1.22KHz, 610Hz, 305Hz, 153Hz, 76Hz, 38Hz] + * A greater range can be achieved by enabling USE_OCR2A_AS_TOP. But note that this option blocks the use of + * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) + * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. + */ +#if ENABLED(FAST_PWM_FAN) + //#define FAST_PWM_FAN_FREQUENCY 31400 + //#define USE_OCR2A_AS_TOP +#endif + // @section extruder /** diff --git a/config/examples/MakerParts/Configuration_adv.h b/config/examples/MakerParts/Configuration_adv.h index 86eea60e8..faab71a95 100644 --- a/config/examples/MakerParts/Configuration_adv.h +++ b/config/examples/MakerParts/Configuration_adv.h @@ -241,6 +241,33 @@ //#define FAN_MIN_PWM 50 //#define FAN_MAX_PWM 128 +/** + * FAST PWM FAN Settings + * + * Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) + * Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a + * frequency as close as possible to the desired frequency. + * + * FAST_PWM_FAN_FREQUENCY [undefined by default] + * Set this to your desired frequency. + * If left undefined this defaults to F = F_CPU/(2*255*1) + * ie F = 31.4 Khz on 16 MHz microcontrollers or F = 39.2 KHz on 20 MHz microcontrollers + * These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required + * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behaviour. + * + * USE_OCR2A_AS_TOP [undefined by default] + * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: + * 16MHz MCUs: [62.5KHz, 31.4KHz (default), 7.8KHz, 3.92KHz, 1.95KHz, 977Hz, 488Hz, 244Hz, 60Hz, 122Hz, 30Hz] + * 20MHz MCUs: [78.1KHz, 39.2KHz (default), 9.77KHz, 4.9KHz, 2.44KHz, 1.22KHz, 610Hz, 305Hz, 153Hz, 76Hz, 38Hz] + * A greater range can be achieved by enabling USE_OCR2A_AS_TOP. But note that this option blocks the use of + * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) + * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. + */ +#if ENABLED(FAST_PWM_FAN) + //#define FAST_PWM_FAN_FREQUENCY 31400 + //#define USE_OCR2A_AS_TOP +#endif + // @section extruder /** diff --git a/config/examples/Malyan/M150/Configuration_adv.h b/config/examples/Malyan/M150/Configuration_adv.h index e567f1a34..72d7f066d 100644 --- a/config/examples/Malyan/M150/Configuration_adv.h +++ b/config/examples/Malyan/M150/Configuration_adv.h @@ -241,6 +241,33 @@ //#define FAN_MIN_PWM 50 //#define FAN_MAX_PWM 128 +/** + * FAST PWM FAN Settings + * + * Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) + * Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a + * frequency as close as possible to the desired frequency. + * + * FAST_PWM_FAN_FREQUENCY [undefined by default] + * Set this to your desired frequency. + * If left undefined this defaults to F = F_CPU/(2*255*1) + * ie F = 31.4 Khz on 16 MHz microcontrollers or F = 39.2 KHz on 20 MHz microcontrollers + * These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required + * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behaviour. + * + * USE_OCR2A_AS_TOP [undefined by default] + * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: + * 16MHz MCUs: [62.5KHz, 31.4KHz (default), 7.8KHz, 3.92KHz, 1.95KHz, 977Hz, 488Hz, 244Hz, 60Hz, 122Hz, 30Hz] + * 20MHz MCUs: [78.1KHz, 39.2KHz (default), 9.77KHz, 4.9KHz, 2.44KHz, 1.22KHz, 610Hz, 305Hz, 153Hz, 76Hz, 38Hz] + * A greater range can be achieved by enabling USE_OCR2A_AS_TOP. But note that this option blocks the use of + * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) + * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. + */ +#if ENABLED(FAST_PWM_FAN) + //#define FAST_PWM_FAN_FREQUENCY 31400 + //#define USE_OCR2A_AS_TOP +#endif + // @section extruder /** diff --git a/config/examples/Malyan/M200/Configuration_adv.h b/config/examples/Malyan/M200/Configuration_adv.h index e475b0845..2435fe5ab 100644 --- a/config/examples/Malyan/M200/Configuration_adv.h +++ b/config/examples/Malyan/M200/Configuration_adv.h @@ -241,6 +241,33 @@ //#define FAN_MIN_PWM 50 //#define FAN_MAX_PWM 128 +/** + * FAST PWM FAN Settings + * + * Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) + * Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a + * frequency as close as possible to the desired frequency. + * + * FAST_PWM_FAN_FREQUENCY [undefined by default] + * Set this to your desired frequency. + * If left undefined this defaults to F = F_CPU/(2*255*1) + * ie F = 31.4 Khz on 16 MHz microcontrollers or F = 39.2 KHz on 20 MHz microcontrollers + * These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required + * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behaviour. + * + * USE_OCR2A_AS_TOP [undefined by default] + * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: + * 16MHz MCUs: [62.5KHz, 31.4KHz (default), 7.8KHz, 3.92KHz, 1.95KHz, 977Hz, 488Hz, 244Hz, 60Hz, 122Hz, 30Hz] + * 20MHz MCUs: [78.1KHz, 39.2KHz (default), 9.77KHz, 4.9KHz, 2.44KHz, 1.22KHz, 610Hz, 305Hz, 153Hz, 76Hz, 38Hz] + * A greater range can be achieved by enabling USE_OCR2A_AS_TOP. But note that this option blocks the use of + * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) + * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. + */ +#if ENABLED(FAST_PWM_FAN) + //#define FAST_PWM_FAN_FREQUENCY 31400 + //#define USE_OCR2A_AS_TOP +#endif + // @section extruder /** diff --git a/config/examples/Micromake/C1/enhanced/Configuration_adv.h b/config/examples/Micromake/C1/enhanced/Configuration_adv.h index aacec5e52..9ce2193c8 100644 --- a/config/examples/Micromake/C1/enhanced/Configuration_adv.h +++ b/config/examples/Micromake/C1/enhanced/Configuration_adv.h @@ -241,6 +241,33 @@ //#define FAN_MIN_PWM 50 //#define FAN_MAX_PWM 128 +/** + * FAST PWM FAN Settings + * + * Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) + * Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a + * frequency as close as possible to the desired frequency. + * + * FAST_PWM_FAN_FREQUENCY [undefined by default] + * Set this to your desired frequency. + * If left undefined this defaults to F = F_CPU/(2*255*1) + * ie F = 31.4 Khz on 16 MHz microcontrollers or F = 39.2 KHz on 20 MHz microcontrollers + * These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required + * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behaviour. + * + * USE_OCR2A_AS_TOP [undefined by default] + * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: + * 16MHz MCUs: [62.5KHz, 31.4KHz (default), 7.8KHz, 3.92KHz, 1.95KHz, 977Hz, 488Hz, 244Hz, 60Hz, 122Hz, 30Hz] + * 20MHz MCUs: [78.1KHz, 39.2KHz (default), 9.77KHz, 4.9KHz, 2.44KHz, 1.22KHz, 610Hz, 305Hz, 153Hz, 76Hz, 38Hz] + * A greater range can be achieved by enabling USE_OCR2A_AS_TOP. But note that this option blocks the use of + * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) + * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. + */ +#if ENABLED(FAST_PWM_FAN) + //#define FAST_PWM_FAN_FREQUENCY 31400 + //#define USE_OCR2A_AS_TOP +#endif + // @section extruder /** diff --git a/config/examples/Mks/Robin/Configuration_adv.h b/config/examples/Mks/Robin/Configuration_adv.h index d30878f53..34134ff18 100644 --- a/config/examples/Mks/Robin/Configuration_adv.h +++ b/config/examples/Mks/Robin/Configuration_adv.h @@ -241,6 +241,33 @@ //#define FAN_MIN_PWM 50 //#define FAN_MAX_PWM 128 +/** + * FAST PWM FAN Settings + * + * Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) + * Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a + * frequency as close as possible to the desired frequency. + * + * FAST_PWM_FAN_FREQUENCY [undefined by default] + * Set this to your desired frequency. + * If left undefined this defaults to F = F_CPU/(2*255*1) + * ie F = 31.4 Khz on 16 MHz microcontrollers or F = 39.2 KHz on 20 MHz microcontrollers + * These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required + * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behaviour. + * + * USE_OCR2A_AS_TOP [undefined by default] + * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: + * 16MHz MCUs: [62.5KHz, 31.4KHz (default), 7.8KHz, 3.92KHz, 1.95KHz, 977Hz, 488Hz, 244Hz, 60Hz, 122Hz, 30Hz] + * 20MHz MCUs: [78.1KHz, 39.2KHz (default), 9.77KHz, 4.9KHz, 2.44KHz, 1.22KHz, 610Hz, 305Hz, 153Hz, 76Hz, 38Hz] + * A greater range can be achieved by enabling USE_OCR2A_AS_TOP. But note that this option blocks the use of + * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) + * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. + */ +#if ENABLED(FAST_PWM_FAN) + //#define FAST_PWM_FAN_FREQUENCY 31400 + //#define USE_OCR2A_AS_TOP +#endif + // @section extruder /** diff --git a/config/examples/Mks/Sbase/Configuration_adv.h b/config/examples/Mks/Sbase/Configuration_adv.h index 3a1af763d..dd646d1e7 100644 --- a/config/examples/Mks/Sbase/Configuration_adv.h +++ b/config/examples/Mks/Sbase/Configuration_adv.h @@ -241,6 +241,33 @@ //#define FAN_MIN_PWM 50 //#define FAN_MAX_PWM 128 +/** + * FAST PWM FAN Settings + * + * Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) + * Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a + * frequency as close as possible to the desired frequency. + * + * FAST_PWM_FAN_FREQUENCY [undefined by default] + * Set this to your desired frequency. + * If left undefined this defaults to F = F_CPU/(2*255*1) + * ie F = 31.4 Khz on 16 MHz microcontrollers or F = 39.2 KHz on 20 MHz microcontrollers + * These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required + * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behaviour. + * + * USE_OCR2A_AS_TOP [undefined by default] + * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: + * 16MHz MCUs: [62.5KHz, 31.4KHz (default), 7.8KHz, 3.92KHz, 1.95KHz, 977Hz, 488Hz, 244Hz, 60Hz, 122Hz, 30Hz] + * 20MHz MCUs: [78.1KHz, 39.2KHz (default), 9.77KHz, 4.9KHz, 2.44KHz, 1.22KHz, 610Hz, 305Hz, 153Hz, 76Hz, 38Hz] + * A greater range can be achieved by enabling USE_OCR2A_AS_TOP. But note that this option blocks the use of + * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) + * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. + */ +#if ENABLED(FAST_PWM_FAN) + //#define FAST_PWM_FAN_FREQUENCY 31400 + //#define USE_OCR2A_AS_TOP +#endif + // @section extruder /** diff --git a/config/examples/RapideLite/RL200/Configuration_adv.h b/config/examples/RapideLite/RL200/Configuration_adv.h index ecbda140f..0ce179916 100644 --- a/config/examples/RapideLite/RL200/Configuration_adv.h +++ b/config/examples/RapideLite/RL200/Configuration_adv.h @@ -241,6 +241,33 @@ //#define FAN_MIN_PWM 50 //#define FAN_MAX_PWM 128 +/** + * FAST PWM FAN Settings + * + * Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) + * Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a + * frequency as close as possible to the desired frequency. + * + * FAST_PWM_FAN_FREQUENCY [undefined by default] + * Set this to your desired frequency. + * If left undefined this defaults to F = F_CPU/(2*255*1) + * ie F = 31.4 Khz on 16 MHz microcontrollers or F = 39.2 KHz on 20 MHz microcontrollers + * These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required + * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behaviour. + * + * USE_OCR2A_AS_TOP [undefined by default] + * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: + * 16MHz MCUs: [62.5KHz, 31.4KHz (default), 7.8KHz, 3.92KHz, 1.95KHz, 977Hz, 488Hz, 244Hz, 60Hz, 122Hz, 30Hz] + * 20MHz MCUs: [78.1KHz, 39.2KHz (default), 9.77KHz, 4.9KHz, 2.44KHz, 1.22KHz, 610Hz, 305Hz, 153Hz, 76Hz, 38Hz] + * A greater range can be achieved by enabling USE_OCR2A_AS_TOP. But note that this option blocks the use of + * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) + * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. + */ +#if ENABLED(FAST_PWM_FAN) + //#define FAST_PWM_FAN_FREQUENCY 31400 + //#define USE_OCR2A_AS_TOP +#endif + // @section extruder /** diff --git a/config/examples/RigidBot/Configuration_adv.h b/config/examples/RigidBot/Configuration_adv.h index 419d1809a..6d3b43f99 100644 --- a/config/examples/RigidBot/Configuration_adv.h +++ b/config/examples/RigidBot/Configuration_adv.h @@ -241,6 +241,33 @@ //#define FAN_MIN_PWM 50 //#define FAN_MAX_PWM 128 +/** + * FAST PWM FAN Settings + * + * Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) + * Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a + * frequency as close as possible to the desired frequency. + * + * FAST_PWM_FAN_FREQUENCY [undefined by default] + * Set this to your desired frequency. + * If left undefined this defaults to F = F_CPU/(2*255*1) + * ie F = 31.4 Khz on 16 MHz microcontrollers or F = 39.2 KHz on 20 MHz microcontrollers + * These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required + * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behaviour. + * + * USE_OCR2A_AS_TOP [undefined by default] + * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: + * 16MHz MCUs: [62.5KHz, 31.4KHz (default), 7.8KHz, 3.92KHz, 1.95KHz, 977Hz, 488Hz, 244Hz, 60Hz, 122Hz, 30Hz] + * 20MHz MCUs: [78.1KHz, 39.2KHz (default), 9.77KHz, 4.9KHz, 2.44KHz, 1.22KHz, 610Hz, 305Hz, 153Hz, 76Hz, 38Hz] + * A greater range can be achieved by enabling USE_OCR2A_AS_TOP. But note that this option blocks the use of + * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) + * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. + */ +#if ENABLED(FAST_PWM_FAN) + //#define FAST_PWM_FAN_FREQUENCY 31400 + //#define USE_OCR2A_AS_TOP +#endif + // @section extruder /** diff --git a/config/examples/SCARA/Configuration_adv.h b/config/examples/SCARA/Configuration_adv.h index 94a89b954..75967fa93 100644 --- a/config/examples/SCARA/Configuration_adv.h +++ b/config/examples/SCARA/Configuration_adv.h @@ -241,6 +241,33 @@ //#define FAN_MIN_PWM 50 //#define FAN_MAX_PWM 128 +/** + * FAST PWM FAN Settings + * + * Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) + * Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a + * frequency as close as possible to the desired frequency. + * + * FAST_PWM_FAN_FREQUENCY [undefined by default] + * Set this to your desired frequency. + * If left undefined this defaults to F = F_CPU/(2*255*1) + * ie F = 31.4 Khz on 16 MHz microcontrollers or F = 39.2 KHz on 20 MHz microcontrollers + * These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required + * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behaviour. + * + * USE_OCR2A_AS_TOP [undefined by default] + * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: + * 16MHz MCUs: [62.5KHz, 31.4KHz (default), 7.8KHz, 3.92KHz, 1.95KHz, 977Hz, 488Hz, 244Hz, 60Hz, 122Hz, 30Hz] + * 20MHz MCUs: [78.1KHz, 39.2KHz (default), 9.77KHz, 4.9KHz, 2.44KHz, 1.22KHz, 610Hz, 305Hz, 153Hz, 76Hz, 38Hz] + * A greater range can be achieved by enabling USE_OCR2A_AS_TOP. But note that this option blocks the use of + * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) + * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. + */ +#if ENABLED(FAST_PWM_FAN) + //#define FAST_PWM_FAN_FREQUENCY 31400 + //#define USE_OCR2A_AS_TOP +#endif + // @section extruder /** diff --git a/config/examples/Sanguinololu/Configuration_adv.h b/config/examples/Sanguinololu/Configuration_adv.h index f2943c7fc..e19fd9d5d 100644 --- a/config/examples/Sanguinololu/Configuration_adv.h +++ b/config/examples/Sanguinololu/Configuration_adv.h @@ -241,6 +241,33 @@ //#define FAN_MIN_PWM 50 //#define FAN_MAX_PWM 128 +/** + * FAST PWM FAN Settings + * + * Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) + * Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a + * frequency as close as possible to the desired frequency. + * + * FAST_PWM_FAN_FREQUENCY [undefined by default] + * Set this to your desired frequency. + * If left undefined this defaults to F = F_CPU/(2*255*1) + * ie F = 31.4 Khz on 16 MHz microcontrollers or F = 39.2 KHz on 20 MHz microcontrollers + * These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required + * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behaviour. + * + * USE_OCR2A_AS_TOP [undefined by default] + * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: + * 16MHz MCUs: [62.5KHz, 31.4KHz (default), 7.8KHz, 3.92KHz, 1.95KHz, 977Hz, 488Hz, 244Hz, 60Hz, 122Hz, 30Hz] + * 20MHz MCUs: [78.1KHz, 39.2KHz (default), 9.77KHz, 4.9KHz, 2.44KHz, 1.22KHz, 610Hz, 305Hz, 153Hz, 76Hz, 38Hz] + * A greater range can be achieved by enabling USE_OCR2A_AS_TOP. But note that this option blocks the use of + * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) + * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. + */ +#if ENABLED(FAST_PWM_FAN) + //#define FAST_PWM_FAN_FREQUENCY 31400 + //#define USE_OCR2A_AS_TOP +#endif + // @section extruder /** diff --git a/config/examples/TheBorg/Configuration_adv.h b/config/examples/TheBorg/Configuration_adv.h index 638c8c108..73e73748e 100644 --- a/config/examples/TheBorg/Configuration_adv.h +++ b/config/examples/TheBorg/Configuration_adv.h @@ -241,6 +241,33 @@ //#define FAN_MIN_PWM 50 //#define FAN_MAX_PWM 128 +/** + * FAST PWM FAN Settings + * + * Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) + * Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a + * frequency as close as possible to the desired frequency. + * + * FAST_PWM_FAN_FREQUENCY [undefined by default] + * Set this to your desired frequency. + * If left undefined this defaults to F = F_CPU/(2*255*1) + * ie F = 31.4 Khz on 16 MHz microcontrollers or F = 39.2 KHz on 20 MHz microcontrollers + * These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required + * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behaviour. + * + * USE_OCR2A_AS_TOP [undefined by default] + * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: + * 16MHz MCUs: [62.5KHz, 31.4KHz (default), 7.8KHz, 3.92KHz, 1.95KHz, 977Hz, 488Hz, 244Hz, 60Hz, 122Hz, 30Hz] + * 20MHz MCUs: [78.1KHz, 39.2KHz (default), 9.77KHz, 4.9KHz, 2.44KHz, 1.22KHz, 610Hz, 305Hz, 153Hz, 76Hz, 38Hz] + * A greater range can be achieved by enabling USE_OCR2A_AS_TOP. But note that this option blocks the use of + * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) + * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. + */ +#if ENABLED(FAST_PWM_FAN) + //#define FAST_PWM_FAN_FREQUENCY 31400 + //#define USE_OCR2A_AS_TOP +#endif + // @section extruder /** diff --git a/config/examples/TinyBoy2/Configuration_adv.h b/config/examples/TinyBoy2/Configuration_adv.h index 62150e0bc..2c4327cc7 100644 --- a/config/examples/TinyBoy2/Configuration_adv.h +++ b/config/examples/TinyBoy2/Configuration_adv.h @@ -241,6 +241,33 @@ //#define FAN_MIN_PWM 50 //#define FAN_MAX_PWM 128 +/** + * FAST PWM FAN Settings + * + * Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) + * Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a + * frequency as close as possible to the desired frequency. + * + * FAST_PWM_FAN_FREQUENCY [undefined by default] + * Set this to your desired frequency. + * If left undefined this defaults to F = F_CPU/(2*255*1) + * ie F = 31.4 Khz on 16 MHz microcontrollers or F = 39.2 KHz on 20 MHz microcontrollers + * These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required + * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behaviour. + * + * USE_OCR2A_AS_TOP [undefined by default] + * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: + * 16MHz MCUs: [62.5KHz, 31.4KHz (default), 7.8KHz, 3.92KHz, 1.95KHz, 977Hz, 488Hz, 244Hz, 60Hz, 122Hz, 30Hz] + * 20MHz MCUs: [78.1KHz, 39.2KHz (default), 9.77KHz, 4.9KHz, 2.44KHz, 1.22KHz, 610Hz, 305Hz, 153Hz, 76Hz, 38Hz] + * A greater range can be achieved by enabling USE_OCR2A_AS_TOP. But note that this option blocks the use of + * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) + * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. + */ +#if ENABLED(FAST_PWM_FAN) + //#define FAST_PWM_FAN_FREQUENCY 31400 + //#define USE_OCR2A_AS_TOP +#endif + // @section extruder /** diff --git a/config/examples/Tronxy/X3A/Configuration_adv.h b/config/examples/Tronxy/X3A/Configuration_adv.h index 63dc7f2bb..bd326a90e 100644 --- a/config/examples/Tronxy/X3A/Configuration_adv.h +++ b/config/examples/Tronxy/X3A/Configuration_adv.h @@ -241,6 +241,33 @@ //#define FAN_MIN_PWM 50 //#define FAN_MAX_PWM 128 +/** + * FAST PWM FAN Settings + * + * Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) + * Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a + * frequency as close as possible to the desired frequency. + * + * FAST_PWM_FAN_FREQUENCY [undefined by default] + * Set this to your desired frequency. + * If left undefined this defaults to F = F_CPU/(2*255*1) + * ie F = 31.4 Khz on 16 MHz microcontrollers or F = 39.2 KHz on 20 MHz microcontrollers + * These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required + * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behaviour. + * + * USE_OCR2A_AS_TOP [undefined by default] + * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: + * 16MHz MCUs: [62.5KHz, 31.4KHz (default), 7.8KHz, 3.92KHz, 1.95KHz, 977Hz, 488Hz, 244Hz, 60Hz, 122Hz, 30Hz] + * 20MHz MCUs: [78.1KHz, 39.2KHz (default), 9.77KHz, 4.9KHz, 2.44KHz, 1.22KHz, 610Hz, 305Hz, 153Hz, 76Hz, 38Hz] + * A greater range can be achieved by enabling USE_OCR2A_AS_TOP. But note that this option blocks the use of + * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) + * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. + */ +#if ENABLED(FAST_PWM_FAN) + //#define FAST_PWM_FAN_FREQUENCY 31400 + //#define USE_OCR2A_AS_TOP +#endif + // @section extruder /** diff --git a/config/examples/Tronxy/X5S-2E/Configuration_adv.h b/config/examples/Tronxy/X5S-2E/Configuration_adv.h index bca24a60d..4e3e952cd 100644 --- a/config/examples/Tronxy/X5S-2E/Configuration_adv.h +++ b/config/examples/Tronxy/X5S-2E/Configuration_adv.h @@ -241,6 +241,33 @@ //#define FAN_MIN_PWM 50 //#define FAN_MAX_PWM 128 +/** + * FAST PWM FAN Settings + * + * Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) + * Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a + * frequency as close as possible to the desired frequency. + * + * FAST_PWM_FAN_FREQUENCY [undefined by default] + * Set this to your desired frequency. + * If left undefined this defaults to F = F_CPU/(2*255*1) + * ie F = 31.4 Khz on 16 MHz microcontrollers or F = 39.2 KHz on 20 MHz microcontrollers + * These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required + * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behaviour. + * + * USE_OCR2A_AS_TOP [undefined by default] + * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: + * 16MHz MCUs: [62.5KHz, 31.4KHz (default), 7.8KHz, 3.92KHz, 1.95KHz, 977Hz, 488Hz, 244Hz, 60Hz, 122Hz, 30Hz] + * 20MHz MCUs: [78.1KHz, 39.2KHz (default), 9.77KHz, 4.9KHz, 2.44KHz, 1.22KHz, 610Hz, 305Hz, 153Hz, 76Hz, 38Hz] + * A greater range can be achieved by enabling USE_OCR2A_AS_TOP. But note that this option blocks the use of + * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) + * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. + */ +#if ENABLED(FAST_PWM_FAN) + //#define FAST_PWM_FAN_FREQUENCY 31400 + //#define USE_OCR2A_AS_TOP +#endif + // @section extruder /** diff --git a/config/examples/UltiMachine/Archim1/Configuration_adv.h b/config/examples/UltiMachine/Archim1/Configuration_adv.h index b933868c6..b74011897 100644 --- a/config/examples/UltiMachine/Archim1/Configuration_adv.h +++ b/config/examples/UltiMachine/Archim1/Configuration_adv.h @@ -241,6 +241,33 @@ //#define FAN_MIN_PWM 50 //#define FAN_MAX_PWM 128 +/** + * FAST PWM FAN Settings + * + * Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) + * Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a + * frequency as close as possible to the desired frequency. + * + * FAST_PWM_FAN_FREQUENCY [undefined by default] + * Set this to your desired frequency. + * If left undefined this defaults to F = F_CPU/(2*255*1) + * ie F = 31.4 Khz on 16 MHz microcontrollers or F = 39.2 KHz on 20 MHz microcontrollers + * These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required + * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behaviour. + * + * USE_OCR2A_AS_TOP [undefined by default] + * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: + * 16MHz MCUs: [62.5KHz, 31.4KHz (default), 7.8KHz, 3.92KHz, 1.95KHz, 977Hz, 488Hz, 244Hz, 60Hz, 122Hz, 30Hz] + * 20MHz MCUs: [78.1KHz, 39.2KHz (default), 9.77KHz, 4.9KHz, 2.44KHz, 1.22KHz, 610Hz, 305Hz, 153Hz, 76Hz, 38Hz] + * A greater range can be achieved by enabling USE_OCR2A_AS_TOP. But note that this option blocks the use of + * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) + * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. + */ +#if ENABLED(FAST_PWM_FAN) + //#define FAST_PWM_FAN_FREQUENCY 31400 + //#define USE_OCR2A_AS_TOP +#endif + // @section extruder /** diff --git a/config/examples/UltiMachine/Archim2/Configuration_adv.h b/config/examples/UltiMachine/Archim2/Configuration_adv.h index bdc3e7bb5..35f286126 100644 --- a/config/examples/UltiMachine/Archim2/Configuration_adv.h +++ b/config/examples/UltiMachine/Archim2/Configuration_adv.h @@ -241,6 +241,33 @@ //#define FAN_MIN_PWM 50 //#define FAN_MAX_PWM 128 +/** + * FAST PWM FAN Settings + * + * Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) + * Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a + * frequency as close as possible to the desired frequency. + * + * FAST_PWM_FAN_FREQUENCY [undefined by default] + * Set this to your desired frequency. + * If left undefined this defaults to F = F_CPU/(2*255*1) + * ie F = 31.4 Khz on 16 MHz microcontrollers or F = 39.2 KHz on 20 MHz microcontrollers + * These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required + * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behaviour. + * + * USE_OCR2A_AS_TOP [undefined by default] + * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: + * 16MHz MCUs: [62.5KHz, 31.4KHz (default), 7.8KHz, 3.92KHz, 1.95KHz, 977Hz, 488Hz, 244Hz, 60Hz, 122Hz, 30Hz] + * 20MHz MCUs: [78.1KHz, 39.2KHz (default), 9.77KHz, 4.9KHz, 2.44KHz, 1.22KHz, 610Hz, 305Hz, 153Hz, 76Hz, 38Hz] + * A greater range can be achieved by enabling USE_OCR2A_AS_TOP. But note that this option blocks the use of + * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) + * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. + */ +#if ENABLED(FAST_PWM_FAN) + //#define FAST_PWM_FAN_FREQUENCY 31400 + //#define USE_OCR2A_AS_TOP +#endif + // @section extruder /** diff --git a/config/examples/VORONDesign/Configuration_adv.h b/config/examples/VORONDesign/Configuration_adv.h index 026703975..2141406e3 100644 --- a/config/examples/VORONDesign/Configuration_adv.h +++ b/config/examples/VORONDesign/Configuration_adv.h @@ -241,6 +241,33 @@ //#define FAN_MIN_PWM 50 //#define FAN_MAX_PWM 128 +/** + * FAST PWM FAN Settings + * + * Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) + * Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a + * frequency as close as possible to the desired frequency. + * + * FAST_PWM_FAN_FREQUENCY [undefined by default] + * Set this to your desired frequency. + * If left undefined this defaults to F = F_CPU/(2*255*1) + * ie F = 31.4 Khz on 16 MHz microcontrollers or F = 39.2 KHz on 20 MHz microcontrollers + * These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required + * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behaviour. + * + * USE_OCR2A_AS_TOP [undefined by default] + * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: + * 16MHz MCUs: [62.5KHz, 31.4KHz (default), 7.8KHz, 3.92KHz, 1.95KHz, 977Hz, 488Hz, 244Hz, 60Hz, 122Hz, 30Hz] + * 20MHz MCUs: [78.1KHz, 39.2KHz (default), 9.77KHz, 4.9KHz, 2.44KHz, 1.22KHz, 610Hz, 305Hz, 153Hz, 76Hz, 38Hz] + * A greater range can be achieved by enabling USE_OCR2A_AS_TOP. But note that this option blocks the use of + * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) + * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. + */ +#if ENABLED(FAST_PWM_FAN) + //#define FAST_PWM_FAN_FREQUENCY 31400 + //#define USE_OCR2A_AS_TOP +#endif + // @section extruder /** diff --git a/config/examples/Velleman/K8200/Configuration_adv.h b/config/examples/Velleman/K8200/Configuration_adv.h index 39f7c535f..207db23a3 100644 --- a/config/examples/Velleman/K8200/Configuration_adv.h +++ b/config/examples/Velleman/K8200/Configuration_adv.h @@ -254,6 +254,33 @@ //#define FAN_MIN_PWM 50 //#define FAN_MAX_PWM 128 +/** + * FAST PWM FAN Settings + * + * Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) + * Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a + * frequency as close as possible to the desired frequency. + * + * FAST_PWM_FAN_FREQUENCY [undefined by default] + * Set this to your desired frequency. + * If left undefined this defaults to F = F_CPU/(2*255*1) + * ie F = 31.4 Khz on 16 MHz microcontrollers or F = 39.2 KHz on 20 MHz microcontrollers + * These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required + * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behaviour. + * + * USE_OCR2A_AS_TOP [undefined by default] + * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: + * 16MHz MCUs: [62.5KHz, 31.4KHz (default), 7.8KHz, 3.92KHz, 1.95KHz, 977Hz, 488Hz, 244Hz, 60Hz, 122Hz, 30Hz] + * 20MHz MCUs: [78.1KHz, 39.2KHz (default), 9.77KHz, 4.9KHz, 2.44KHz, 1.22KHz, 610Hz, 305Hz, 153Hz, 76Hz, 38Hz] + * A greater range can be achieved by enabling USE_OCR2A_AS_TOP. But note that this option blocks the use of + * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) + * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. + */ +#if ENABLED(FAST_PWM_FAN) + //#define FAST_PWM_FAN_FREQUENCY 31400 + //#define USE_OCR2A_AS_TOP +#endif + // @section extruder /** diff --git a/config/examples/Velleman/K8400/Configuration_adv.h b/config/examples/Velleman/K8400/Configuration_adv.h index 9ecff0530..a5e766a53 100644 --- a/config/examples/Velleman/K8400/Configuration_adv.h +++ b/config/examples/Velleman/K8400/Configuration_adv.h @@ -241,6 +241,33 @@ //#define FAN_MIN_PWM 50 //#define FAN_MAX_PWM 128 +/** + * FAST PWM FAN Settings + * + * Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) + * Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a + * frequency as close as possible to the desired frequency. + * + * FAST_PWM_FAN_FREQUENCY [undefined by default] + * Set this to your desired frequency. + * If left undefined this defaults to F = F_CPU/(2*255*1) + * ie F = 31.4 Khz on 16 MHz microcontrollers or F = 39.2 KHz on 20 MHz microcontrollers + * These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required + * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behaviour. + * + * USE_OCR2A_AS_TOP [undefined by default] + * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: + * 16MHz MCUs: [62.5KHz, 31.4KHz (default), 7.8KHz, 3.92KHz, 1.95KHz, 977Hz, 488Hz, 244Hz, 60Hz, 122Hz, 30Hz] + * 20MHz MCUs: [78.1KHz, 39.2KHz (default), 9.77KHz, 4.9KHz, 2.44KHz, 1.22KHz, 610Hz, 305Hz, 153Hz, 76Hz, 38Hz] + * A greater range can be achieved by enabling USE_OCR2A_AS_TOP. But note that this option blocks the use of + * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) + * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. + */ +#if ENABLED(FAST_PWM_FAN) + //#define FAST_PWM_FAN_FREQUENCY 31400 + //#define USE_OCR2A_AS_TOP +#endif + // @section extruder /** diff --git a/config/examples/WASP/PowerWASP/Configuration_adv.h b/config/examples/WASP/PowerWASP/Configuration_adv.h index 6d363b6dc..2500b3763 100644 --- a/config/examples/WASP/PowerWASP/Configuration_adv.h +++ b/config/examples/WASP/PowerWASP/Configuration_adv.h @@ -241,6 +241,33 @@ //#define FAN_MIN_PWM 50 //#define FAN_MAX_PWM 128 +/** + * FAST PWM FAN Settings + * + * Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) + * Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a + * frequency as close as possible to the desired frequency. + * + * FAST_PWM_FAN_FREQUENCY [undefined by default] + * Set this to your desired frequency. + * If left undefined this defaults to F = F_CPU/(2*255*1) + * ie F = 31.4 Khz on 16 MHz microcontrollers or F = 39.2 KHz on 20 MHz microcontrollers + * These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required + * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behaviour. + * + * USE_OCR2A_AS_TOP [undefined by default] + * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: + * 16MHz MCUs: [62.5KHz, 31.4KHz (default), 7.8KHz, 3.92KHz, 1.95KHz, 977Hz, 488Hz, 244Hz, 60Hz, 122Hz, 30Hz] + * 20MHz MCUs: [78.1KHz, 39.2KHz (default), 9.77KHz, 4.9KHz, 2.44KHz, 1.22KHz, 610Hz, 305Hz, 153Hz, 76Hz, 38Hz] + * A greater range can be achieved by enabling USE_OCR2A_AS_TOP. But note that this option blocks the use of + * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) + * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. + */ +#if ENABLED(FAST_PWM_FAN) + //#define FAST_PWM_FAN_FREQUENCY 31400 + //#define USE_OCR2A_AS_TOP +#endif + // @section extruder /** diff --git a/config/examples/Wanhao/Duplicator 6/Configuration_adv.h b/config/examples/Wanhao/Duplicator 6/Configuration_adv.h index be4c177d9..63f7d2361 100644 --- a/config/examples/Wanhao/Duplicator 6/Configuration_adv.h +++ b/config/examples/Wanhao/Duplicator 6/Configuration_adv.h @@ -241,6 +241,33 @@ //#define FAN_MIN_PWM 50 //#define FAN_MAX_PWM 128 +/** + * FAST PWM FAN Settings + * + * Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) + * Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a + * frequency as close as possible to the desired frequency. + * + * FAST_PWM_FAN_FREQUENCY [undefined by default] + * Set this to your desired frequency. + * If left undefined this defaults to F = F_CPU/(2*255*1) + * ie F = 31.4 Khz on 16 MHz microcontrollers or F = 39.2 KHz on 20 MHz microcontrollers + * These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required + * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behaviour. + * + * USE_OCR2A_AS_TOP [undefined by default] + * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: + * 16MHz MCUs: [62.5KHz, 31.4KHz (default), 7.8KHz, 3.92KHz, 1.95KHz, 977Hz, 488Hz, 244Hz, 60Hz, 122Hz, 30Hz] + * 20MHz MCUs: [78.1KHz, 39.2KHz (default), 9.77KHz, 4.9KHz, 2.44KHz, 1.22KHz, 610Hz, 305Hz, 153Hz, 76Hz, 38Hz] + * A greater range can be achieved by enabling USE_OCR2A_AS_TOP. But note that this option blocks the use of + * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) + * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. + */ +#if ENABLED(FAST_PWM_FAN) + //#define FAST_PWM_FAN_FREQUENCY 31400 + //#define USE_OCR2A_AS_TOP +#endif + // @section extruder /** diff --git a/config/examples/delta/Anycubic/Kossel/Configuration_adv.h b/config/examples/delta/Anycubic/Kossel/Configuration_adv.h index 165a2314f..662b40b0c 100644 --- a/config/examples/delta/Anycubic/Kossel/Configuration_adv.h +++ b/config/examples/delta/Anycubic/Kossel/Configuration_adv.h @@ -241,6 +241,33 @@ //#define FAN_MIN_PWM 50 //#define FAN_MAX_PWM 128 +/** + * FAST PWM FAN Settings + * + * Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) + * Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a + * frequency as close as possible to the desired frequency. + * + * FAST_PWM_FAN_FREQUENCY [undefined by default] + * Set this to your desired frequency. + * If left undefined this defaults to F = F_CPU/(2*255*1) + * ie F = 31.4 Khz on 16 MHz microcontrollers or F = 39.2 KHz on 20 MHz microcontrollers + * These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required + * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behaviour. + * + * USE_OCR2A_AS_TOP [undefined by default] + * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: + * 16MHz MCUs: [62.5KHz, 31.4KHz (default), 7.8KHz, 3.92KHz, 1.95KHz, 977Hz, 488Hz, 244Hz, 60Hz, 122Hz, 30Hz] + * 20MHz MCUs: [78.1KHz, 39.2KHz (default), 9.77KHz, 4.9KHz, 2.44KHz, 1.22KHz, 610Hz, 305Hz, 153Hz, 76Hz, 38Hz] + * A greater range can be achieved by enabling USE_OCR2A_AS_TOP. But note that this option blocks the use of + * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) + * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. + */ +#if ENABLED(FAST_PWM_FAN) + //#define FAST_PWM_FAN_FREQUENCY 31400 + //#define USE_OCR2A_AS_TOP +#endif + // @section extruder /** diff --git a/config/examples/delta/FLSUN/auto_calibrate/Configuration_adv.h b/config/examples/delta/FLSUN/auto_calibrate/Configuration_adv.h index cfe6404cb..1d33bb3b7 100644 --- a/config/examples/delta/FLSUN/auto_calibrate/Configuration_adv.h +++ b/config/examples/delta/FLSUN/auto_calibrate/Configuration_adv.h @@ -241,6 +241,33 @@ //#define FAN_MIN_PWM 50 //#define FAN_MAX_PWM 128 +/** + * FAST PWM FAN Settings + * + * Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) + * Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a + * frequency as close as possible to the desired frequency. + * + * FAST_PWM_FAN_FREQUENCY [undefined by default] + * Set this to your desired frequency. + * If left undefined this defaults to F = F_CPU/(2*255*1) + * ie F = 31.4 Khz on 16 MHz microcontrollers or F = 39.2 KHz on 20 MHz microcontrollers + * These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required + * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behaviour. + * + * USE_OCR2A_AS_TOP [undefined by default] + * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: + * 16MHz MCUs: [62.5KHz, 31.4KHz (default), 7.8KHz, 3.92KHz, 1.95KHz, 977Hz, 488Hz, 244Hz, 60Hz, 122Hz, 30Hz] + * 20MHz MCUs: [78.1KHz, 39.2KHz (default), 9.77KHz, 4.9KHz, 2.44KHz, 1.22KHz, 610Hz, 305Hz, 153Hz, 76Hz, 38Hz] + * A greater range can be achieved by enabling USE_OCR2A_AS_TOP. But note that this option blocks the use of + * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) + * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. + */ +#if ENABLED(FAST_PWM_FAN) + //#define FAST_PWM_FAN_FREQUENCY 31400 + //#define USE_OCR2A_AS_TOP +#endif + // @section extruder /** diff --git a/config/examples/delta/FLSUN/kossel/Configuration_adv.h b/config/examples/delta/FLSUN/kossel/Configuration_adv.h index cfe6404cb..1d33bb3b7 100644 --- a/config/examples/delta/FLSUN/kossel/Configuration_adv.h +++ b/config/examples/delta/FLSUN/kossel/Configuration_adv.h @@ -241,6 +241,33 @@ //#define FAN_MIN_PWM 50 //#define FAN_MAX_PWM 128 +/** + * FAST PWM FAN Settings + * + * Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) + * Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a + * frequency as close as possible to the desired frequency. + * + * FAST_PWM_FAN_FREQUENCY [undefined by default] + * Set this to your desired frequency. + * If left undefined this defaults to F = F_CPU/(2*255*1) + * ie F = 31.4 Khz on 16 MHz microcontrollers or F = 39.2 KHz on 20 MHz microcontrollers + * These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required + * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behaviour. + * + * USE_OCR2A_AS_TOP [undefined by default] + * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: + * 16MHz MCUs: [62.5KHz, 31.4KHz (default), 7.8KHz, 3.92KHz, 1.95KHz, 977Hz, 488Hz, 244Hz, 60Hz, 122Hz, 30Hz] + * 20MHz MCUs: [78.1KHz, 39.2KHz (default), 9.77KHz, 4.9KHz, 2.44KHz, 1.22KHz, 610Hz, 305Hz, 153Hz, 76Hz, 38Hz] + * A greater range can be achieved by enabling USE_OCR2A_AS_TOP. But note that this option blocks the use of + * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) + * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. + */ +#if ENABLED(FAST_PWM_FAN) + //#define FAST_PWM_FAN_FREQUENCY 31400 + //#define USE_OCR2A_AS_TOP +#endif + // @section extruder /** diff --git a/config/examples/delta/FLSUN/kossel_mini/Configuration_adv.h b/config/examples/delta/FLSUN/kossel_mini/Configuration_adv.h index eb14efaab..884a681d6 100644 --- a/config/examples/delta/FLSUN/kossel_mini/Configuration_adv.h +++ b/config/examples/delta/FLSUN/kossel_mini/Configuration_adv.h @@ -241,6 +241,33 @@ //#define FAN_MIN_PWM 50 //#define FAN_MAX_PWM 128 +/** + * FAST PWM FAN Settings + * + * Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) + * Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a + * frequency as close as possible to the desired frequency. + * + * FAST_PWM_FAN_FREQUENCY [undefined by default] + * Set this to your desired frequency. + * If left undefined this defaults to F = F_CPU/(2*255*1) + * ie F = 31.4 Khz on 16 MHz microcontrollers or F = 39.2 KHz on 20 MHz microcontrollers + * These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required + * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behaviour. + * + * USE_OCR2A_AS_TOP [undefined by default] + * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: + * 16MHz MCUs: [62.5KHz, 31.4KHz (default), 7.8KHz, 3.92KHz, 1.95KHz, 977Hz, 488Hz, 244Hz, 60Hz, 122Hz, 30Hz] + * 20MHz MCUs: [78.1KHz, 39.2KHz (default), 9.77KHz, 4.9KHz, 2.44KHz, 1.22KHz, 610Hz, 305Hz, 153Hz, 76Hz, 38Hz] + * A greater range can be achieved by enabling USE_OCR2A_AS_TOP. But note that this option blocks the use of + * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) + * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. + */ +#if ENABLED(FAST_PWM_FAN) + //#define FAST_PWM_FAN_FREQUENCY 31400 + //#define USE_OCR2A_AS_TOP +#endif + // @section extruder /** diff --git a/config/examples/delta/Geeetech/Rostock 301/Configuration_adv.h b/config/examples/delta/Geeetech/Rostock 301/Configuration_adv.h index eb14efaab..884a681d6 100644 --- a/config/examples/delta/Geeetech/Rostock 301/Configuration_adv.h +++ b/config/examples/delta/Geeetech/Rostock 301/Configuration_adv.h @@ -241,6 +241,33 @@ //#define FAN_MIN_PWM 50 //#define FAN_MAX_PWM 128 +/** + * FAST PWM FAN Settings + * + * Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) + * Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a + * frequency as close as possible to the desired frequency. + * + * FAST_PWM_FAN_FREQUENCY [undefined by default] + * Set this to your desired frequency. + * If left undefined this defaults to F = F_CPU/(2*255*1) + * ie F = 31.4 Khz on 16 MHz microcontrollers or F = 39.2 KHz on 20 MHz microcontrollers + * These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required + * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behaviour. + * + * USE_OCR2A_AS_TOP [undefined by default] + * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: + * 16MHz MCUs: [62.5KHz, 31.4KHz (default), 7.8KHz, 3.92KHz, 1.95KHz, 977Hz, 488Hz, 244Hz, 60Hz, 122Hz, 30Hz] + * 20MHz MCUs: [78.1KHz, 39.2KHz (default), 9.77KHz, 4.9KHz, 2.44KHz, 1.22KHz, 610Hz, 305Hz, 153Hz, 76Hz, 38Hz] + * A greater range can be achieved by enabling USE_OCR2A_AS_TOP. But note that this option blocks the use of + * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) + * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. + */ +#if ENABLED(FAST_PWM_FAN) + //#define FAST_PWM_FAN_FREQUENCY 31400 + //#define USE_OCR2A_AS_TOP +#endif + // @section extruder /** diff --git a/config/examples/delta/MKS/SBASE/Configuration_adv.h b/config/examples/delta/MKS/SBASE/Configuration_adv.h index 96033aea1..1ac933b9a 100644 --- a/config/examples/delta/MKS/SBASE/Configuration_adv.h +++ b/config/examples/delta/MKS/SBASE/Configuration_adv.h @@ -241,6 +241,33 @@ //#define FAN_MIN_PWM 50 //#define FAN_MAX_PWM 128 +/** + * FAST PWM FAN Settings + * + * Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) + * Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a + * frequency as close as possible to the desired frequency. + * + * FAST_PWM_FAN_FREQUENCY [undefined by default] + * Set this to your desired frequency. + * If left undefined this defaults to F = F_CPU/(2*255*1) + * ie F = 31.4 Khz on 16 MHz microcontrollers or F = 39.2 KHz on 20 MHz microcontrollers + * These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required + * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behaviour. + * + * USE_OCR2A_AS_TOP [undefined by default] + * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: + * 16MHz MCUs: [62.5KHz, 31.4KHz (default), 7.8KHz, 3.92KHz, 1.95KHz, 977Hz, 488Hz, 244Hz, 60Hz, 122Hz, 30Hz] + * 20MHz MCUs: [78.1KHz, 39.2KHz (default), 9.77KHz, 4.9KHz, 2.44KHz, 1.22KHz, 610Hz, 305Hz, 153Hz, 76Hz, 38Hz] + * A greater range can be achieved by enabling USE_OCR2A_AS_TOP. But note that this option blocks the use of + * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) + * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. + */ +#if ENABLED(FAST_PWM_FAN) + //#define FAST_PWM_FAN_FREQUENCY 31400 + //#define USE_OCR2A_AS_TOP +#endif + // @section extruder /** diff --git a/config/examples/delta/Tevo Little Monster/Configuration_adv.h b/config/examples/delta/Tevo Little Monster/Configuration_adv.h index 24a6184f2..0c0dab8b5 100644 --- a/config/examples/delta/Tevo Little Monster/Configuration_adv.h +++ b/config/examples/delta/Tevo Little Monster/Configuration_adv.h @@ -241,6 +241,33 @@ //#define FAN_MIN_PWM 50 //#define FAN_MAX_PWM 128 +/** + * FAST PWM FAN Settings + * + * Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) + * Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a + * frequency as close as possible to the desired frequency. + * + * FAST_PWM_FAN_FREQUENCY [undefined by default] + * Set this to your desired frequency. + * If left undefined this defaults to F = F_CPU/(2*255*1) + * ie F = 31.4 Khz on 16 MHz microcontrollers or F = 39.2 KHz on 20 MHz microcontrollers + * These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required + * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behaviour. + * + * USE_OCR2A_AS_TOP [undefined by default] + * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: + * 16MHz MCUs: [62.5KHz, 31.4KHz (default), 7.8KHz, 3.92KHz, 1.95KHz, 977Hz, 488Hz, 244Hz, 60Hz, 122Hz, 30Hz] + * 20MHz MCUs: [78.1KHz, 39.2KHz (default), 9.77KHz, 4.9KHz, 2.44KHz, 1.22KHz, 610Hz, 305Hz, 153Hz, 76Hz, 38Hz] + * A greater range can be achieved by enabling USE_OCR2A_AS_TOP. But note that this option blocks the use of + * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) + * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. + */ +#if ENABLED(FAST_PWM_FAN) + //#define FAST_PWM_FAN_FREQUENCY 31400 + //#define USE_OCR2A_AS_TOP +#endif + // @section extruder /** diff --git a/config/examples/delta/generic/Configuration_adv.h b/config/examples/delta/generic/Configuration_adv.h index eb14efaab..884a681d6 100644 --- a/config/examples/delta/generic/Configuration_adv.h +++ b/config/examples/delta/generic/Configuration_adv.h @@ -241,6 +241,33 @@ //#define FAN_MIN_PWM 50 //#define FAN_MAX_PWM 128 +/** + * FAST PWM FAN Settings + * + * Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) + * Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a + * frequency as close as possible to the desired frequency. + * + * FAST_PWM_FAN_FREQUENCY [undefined by default] + * Set this to your desired frequency. + * If left undefined this defaults to F = F_CPU/(2*255*1) + * ie F = 31.4 Khz on 16 MHz microcontrollers or F = 39.2 KHz on 20 MHz microcontrollers + * These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required + * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behaviour. + * + * USE_OCR2A_AS_TOP [undefined by default] + * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: + * 16MHz MCUs: [62.5KHz, 31.4KHz (default), 7.8KHz, 3.92KHz, 1.95KHz, 977Hz, 488Hz, 244Hz, 60Hz, 122Hz, 30Hz] + * 20MHz MCUs: [78.1KHz, 39.2KHz (default), 9.77KHz, 4.9KHz, 2.44KHz, 1.22KHz, 610Hz, 305Hz, 153Hz, 76Hz, 38Hz] + * A greater range can be achieved by enabling USE_OCR2A_AS_TOP. But note that this option blocks the use of + * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) + * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. + */ +#if ENABLED(FAST_PWM_FAN) + //#define FAST_PWM_FAN_FREQUENCY 31400 + //#define USE_OCR2A_AS_TOP +#endif + // @section extruder /** diff --git a/config/examples/delta/kossel_mini/Configuration_adv.h b/config/examples/delta/kossel_mini/Configuration_adv.h index 124015119..540063dc1 100644 --- a/config/examples/delta/kossel_mini/Configuration_adv.h +++ b/config/examples/delta/kossel_mini/Configuration_adv.h @@ -241,6 +241,33 @@ //#define FAN_MIN_PWM 50 //#define FAN_MAX_PWM 128 +/** + * FAST PWM FAN Settings + * + * Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) + * Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a + * frequency as close as possible to the desired frequency. + * + * FAST_PWM_FAN_FREQUENCY [undefined by default] + * Set this to your desired frequency. + * If left undefined this defaults to F = F_CPU/(2*255*1) + * ie F = 31.4 Khz on 16 MHz microcontrollers or F = 39.2 KHz on 20 MHz microcontrollers + * These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required + * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behaviour. + * + * USE_OCR2A_AS_TOP [undefined by default] + * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: + * 16MHz MCUs: [62.5KHz, 31.4KHz (default), 7.8KHz, 3.92KHz, 1.95KHz, 977Hz, 488Hz, 244Hz, 60Hz, 122Hz, 30Hz] + * 20MHz MCUs: [78.1KHz, 39.2KHz (default), 9.77KHz, 4.9KHz, 2.44KHz, 1.22KHz, 610Hz, 305Hz, 153Hz, 76Hz, 38Hz] + * A greater range can be achieved by enabling USE_OCR2A_AS_TOP. But note that this option blocks the use of + * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) + * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. + */ +#if ENABLED(FAST_PWM_FAN) + //#define FAST_PWM_FAN_FREQUENCY 31400 + //#define USE_OCR2A_AS_TOP +#endif + // @section extruder /** diff --git a/config/examples/delta/kossel_xl/Configuration_adv.h b/config/examples/delta/kossel_xl/Configuration_adv.h index 57dd18027..c5493be20 100644 --- a/config/examples/delta/kossel_xl/Configuration_adv.h +++ b/config/examples/delta/kossel_xl/Configuration_adv.h @@ -241,6 +241,33 @@ //#define FAN_MIN_PWM 50 //#define FAN_MAX_PWM 128 +/** + * FAST PWM FAN Settings + * + * Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) + * Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a + * frequency as close as possible to the desired frequency. + * + * FAST_PWM_FAN_FREQUENCY [undefined by default] + * Set this to your desired frequency. + * If left undefined this defaults to F = F_CPU/(2*255*1) + * ie F = 31.4 Khz on 16 MHz microcontrollers or F = 39.2 KHz on 20 MHz microcontrollers + * These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required + * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behaviour. + * + * USE_OCR2A_AS_TOP [undefined by default] + * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: + * 16MHz MCUs: [62.5KHz, 31.4KHz (default), 7.8KHz, 3.92KHz, 1.95KHz, 977Hz, 488Hz, 244Hz, 60Hz, 122Hz, 30Hz] + * 20MHz MCUs: [78.1KHz, 39.2KHz (default), 9.77KHz, 4.9KHz, 2.44KHz, 1.22KHz, 610Hz, 305Hz, 153Hz, 76Hz, 38Hz] + * A greater range can be achieved by enabling USE_OCR2A_AS_TOP. But note that this option blocks the use of + * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) + * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. + */ +#if ENABLED(FAST_PWM_FAN) + //#define FAST_PWM_FAN_FREQUENCY 31400 + //#define USE_OCR2A_AS_TOP +#endif + // @section extruder /** diff --git a/config/examples/gCreate/gMax1.5+/Configuration_adv.h b/config/examples/gCreate/gMax1.5+/Configuration_adv.h index 74cb5ec3a..10a97d6cd 100644 --- a/config/examples/gCreate/gMax1.5+/Configuration_adv.h +++ b/config/examples/gCreate/gMax1.5+/Configuration_adv.h @@ -241,6 +241,33 @@ //#define FAN_MIN_PWM 50 //#define FAN_MAX_PWM 128 +/** + * FAST PWM FAN Settings + * + * Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) + * Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a + * frequency as close as possible to the desired frequency. + * + * FAST_PWM_FAN_FREQUENCY [undefined by default] + * Set this to your desired frequency. + * If left undefined this defaults to F = F_CPU/(2*255*1) + * ie F = 31.4 Khz on 16 MHz microcontrollers or F = 39.2 KHz on 20 MHz microcontrollers + * These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required + * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behaviour. + * + * USE_OCR2A_AS_TOP [undefined by default] + * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: + * 16MHz MCUs: [62.5KHz, 31.4KHz (default), 7.8KHz, 3.92KHz, 1.95KHz, 977Hz, 488Hz, 244Hz, 60Hz, 122Hz, 30Hz] + * 20MHz MCUs: [78.1KHz, 39.2KHz (default), 9.77KHz, 4.9KHz, 2.44KHz, 1.22KHz, 610Hz, 305Hz, 153Hz, 76Hz, 38Hz] + * A greater range can be achieved by enabling USE_OCR2A_AS_TOP. But note that this option blocks the use of + * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) + * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. + */ +#if ENABLED(FAST_PWM_FAN) + //#define FAST_PWM_FAN_FREQUENCY 31400 + //#define USE_OCR2A_AS_TOP +#endif + // @section extruder /** diff --git a/config/examples/makibox/Configuration_adv.h b/config/examples/makibox/Configuration_adv.h index dd40c8ab0..89f009386 100644 --- a/config/examples/makibox/Configuration_adv.h +++ b/config/examples/makibox/Configuration_adv.h @@ -241,6 +241,33 @@ //#define FAN_MIN_PWM 50 //#define FAN_MAX_PWM 128 +/** + * FAST PWM FAN Settings + * + * Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) + * Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a + * frequency as close as possible to the desired frequency. + * + * FAST_PWM_FAN_FREQUENCY [undefined by default] + * Set this to your desired frequency. + * If left undefined this defaults to F = F_CPU/(2*255*1) + * ie F = 31.4 Khz on 16 MHz microcontrollers or F = 39.2 KHz on 20 MHz microcontrollers + * These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required + * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behaviour. + * + * USE_OCR2A_AS_TOP [undefined by default] + * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: + * 16MHz MCUs: [62.5KHz, 31.4KHz (default), 7.8KHz, 3.92KHz, 1.95KHz, 977Hz, 488Hz, 244Hz, 60Hz, 122Hz, 30Hz] + * 20MHz MCUs: [78.1KHz, 39.2KHz (default), 9.77KHz, 4.9KHz, 2.44KHz, 1.22KHz, 610Hz, 305Hz, 153Hz, 76Hz, 38Hz] + * A greater range can be achieved by enabling USE_OCR2A_AS_TOP. But note that this option blocks the use of + * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) + * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. + */ +#if ENABLED(FAST_PWM_FAN) + //#define FAST_PWM_FAN_FREQUENCY 31400 + //#define USE_OCR2A_AS_TOP +#endif + // @section extruder /** diff --git a/config/examples/tvrrug/Round2/Configuration_adv.h b/config/examples/tvrrug/Round2/Configuration_adv.h index b56619114..0285eb672 100644 --- a/config/examples/tvrrug/Round2/Configuration_adv.h +++ b/config/examples/tvrrug/Round2/Configuration_adv.h @@ -241,6 +241,33 @@ //#define FAN_MIN_PWM 50 //#define FAN_MAX_PWM 128 +/** + * FAST PWM FAN Settings + * + * Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) + * Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a + * frequency as close as possible to the desired frequency. + * + * FAST_PWM_FAN_FREQUENCY [undefined by default] + * Set this to your desired frequency. + * If left undefined this defaults to F = F_CPU/(2*255*1) + * ie F = 31.4 Khz on 16 MHz microcontrollers or F = 39.2 KHz on 20 MHz microcontrollers + * These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required + * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behaviour. + * + * USE_OCR2A_AS_TOP [undefined by default] + * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: + * 16MHz MCUs: [62.5KHz, 31.4KHz (default), 7.8KHz, 3.92KHz, 1.95KHz, 977Hz, 488Hz, 244Hz, 60Hz, 122Hz, 30Hz] + * 20MHz MCUs: [78.1KHz, 39.2KHz (default), 9.77KHz, 4.9KHz, 2.44KHz, 1.22KHz, 610Hz, 305Hz, 153Hz, 76Hz, 38Hz] + * A greater range can be achieved by enabling USE_OCR2A_AS_TOP. But note that this option blocks the use of + * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) + * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. + */ +#if ENABLED(FAST_PWM_FAN) + //#define FAST_PWM_FAN_FREQUENCY 31400 + //#define USE_OCR2A_AS_TOP +#endif + // @section extruder /** diff --git a/config/examples/wt150/Configuration_adv.h b/config/examples/wt150/Configuration_adv.h index 8e1ad9611..3657e7066 100644 --- a/config/examples/wt150/Configuration_adv.h +++ b/config/examples/wt150/Configuration_adv.h @@ -241,6 +241,33 @@ //#define FAN_MIN_PWM 50 //#define FAN_MAX_PWM 128 +/** + * FAST PWM FAN Settings + * + * Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) + * Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a + * frequency as close as possible to the desired frequency. + * + * FAST_PWM_FAN_FREQUENCY [undefined by default] + * Set this to your desired frequency. + * If left undefined this defaults to F = F_CPU/(2*255*1) + * ie F = 31.4 Khz on 16 MHz microcontrollers or F = 39.2 KHz on 20 MHz microcontrollers + * These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required + * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behaviour. + * + * USE_OCR2A_AS_TOP [undefined by default] + * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: + * 16MHz MCUs: [62.5KHz, 31.4KHz (default), 7.8KHz, 3.92KHz, 1.95KHz, 977Hz, 488Hz, 244Hz, 60Hz, 122Hz, 30Hz] + * 20MHz MCUs: [78.1KHz, 39.2KHz (default), 9.77KHz, 4.9KHz, 2.44KHz, 1.22KHz, 610Hz, 305Hz, 153Hz, 76Hz, 38Hz] + * A greater range can be achieved by enabling USE_OCR2A_AS_TOP. But note that this option blocks the use of + * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) + * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. + */ +#if ENABLED(FAST_PWM_FAN) + //#define FAST_PWM_FAN_FREQUENCY 31400 + //#define USE_OCR2A_AS_TOP +#endif + // @section extruder /**