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@ -221,7 +221,7 @@ static void updateTemperaturesFromRawValues();
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//================================ Functions ================================
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//===========================================================================
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#if ENABLED(PIDTEMP)
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#if HAS_PID_HEATING
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void PID_autotune(float temp, int extruder, int ncycles, bool set_result/*=false*/) {
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float input = 0.0;
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@ -240,8 +240,13 @@ static void updateTemperaturesFromRawValues();
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millis_t next_auto_fan_check_ms = temp_ms + 2500UL;
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#endif
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if (extruder >= EXTRUDERS
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#if !HAS_TEMP_BED
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if (false
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#if ENABLED(PIDTEMP)
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|| extruder >= EXTRUDERS
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#else
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|| extruder >= 0
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#endif
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#if DISABLED(PIDTEMPBED)
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|| extruder < 0
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#endif
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) {
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@ -253,10 +258,16 @@ static void updateTemperaturesFromRawValues();
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disable_all_heaters(); // switch off all heaters.
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if (extruder < 0)
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soft_pwm_bed = bias = d = (MAX_BED_POWER) / 2;
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else
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#if HAS_PID_FOR_BOTH
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if (extruder < 0)
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soft_pwm_bed = bias = d = (MAX_BED_POWER) / 2;
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else
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soft_pwm[extruder] = bias = d = (PID_MAX) / 2;
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#elif ENABLED(PIDTEMP)
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soft_pwm[extruder] = bias = d = (PID_MAX) / 2;
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#else
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soft_pwm_bed = bias = d = (MAX_BED_POWER) / 2;
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#endif
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// PID Tuning loop
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for (;;) {
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@ -266,7 +277,15 @@ static void updateTemperaturesFromRawValues();
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if (temp_meas_ready) { // temp sample ready
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updateTemperaturesFromRawValues();
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input = (extruder < 0) ? current_temperature_bed : current_temperature[extruder];
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input =
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#if HAS_PID_FOR_BOTH
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extruder < 0 ? current_temperature_bed : current_temperature[extruder]
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#elif ENABLED(PIDTEMP)
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current_temperature[extruder]
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#else
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current_temperature_bed
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#endif
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;
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max = max(max, input);
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min = min(min, input);
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@ -281,10 +300,16 @@ static void updateTemperaturesFromRawValues();
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if (heating && input > temp) {
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if (ELAPSED(ms, t2 + 5000UL)) {
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heating = false;
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if (extruder < 0)
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soft_pwm_bed = (bias - d) >> 1;
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else
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#if HAS_PID_FOR_BOTH
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if (extruder < 0)
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soft_pwm_bed = (bias - d) >> 1;
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else
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soft_pwm[extruder] = (bias - d) >> 1;
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#elif ENABLED(PIDTEMP)
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soft_pwm[extruder] = (bias - d) >> 1;
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#elif ENABLED(PIDTEMPBED)
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soft_pwm_bed = (bias - d) >> 1;
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#endif
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t1 = ms;
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t_high = t1 - t2;
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max = temp;
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@ -297,7 +322,15 @@ static void updateTemperaturesFromRawValues();
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t2 = ms;
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t_low = t2 - t1;
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if (cycles > 0) {
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long max_pow = extruder < 0 ? MAX_BED_POWER : PID_MAX;
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long max_pow =
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#if HAS_PID_FOR_BOTH
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extruder < 0 ? MAX_BED_POWER : PID_MAX
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#elif ENABLED(PIDTEMP)
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PID_MAX
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#else
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MAX_BED_POWER
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#endif
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;
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bias += (d * (t_high - t_low)) / (t_low + t_high);
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bias = constrain(bias, 20, max_pow - 20);
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d = (bias > max_pow / 2) ? max_pow - 1 - bias : bias;
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@ -336,10 +369,16 @@ static void updateTemperaturesFromRawValues();
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*/
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}
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}
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if (extruder < 0)
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soft_pwm_bed = (bias + d) >> 1;
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else
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#if HAS_PID_FOR_BOTH
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if (extruder < 0)
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soft_pwm_bed = (bias + d) >> 1;
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else
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soft_pwm[extruder] = (bias + d) >> 1;
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#elif ENABLED(PIDTEMP)
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soft_pwm[extruder] = (bias + d) >> 1;
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#else
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soft_pwm_bed = (bias + d) >> 1;
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#endif
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cycles++;
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min = temp;
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}
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@ -366,27 +405,48 @@ static void updateTemperaturesFromRawValues();
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}
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if (cycles > ncycles) {
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SERIAL_PROTOCOLLNPGM(MSG_PID_AUTOTUNE_FINISHED);
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const char* estring = extruder < 0 ? "bed" : "";
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SERIAL_PROTOCOLPGM("#define DEFAULT_"); SERIAL_PROTOCOL(estring); SERIAL_PROTOCOLPGM("Kp "); SERIAL_PROTOCOLLN(workKp);
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SERIAL_PROTOCOLPGM("#define DEFAULT_"); SERIAL_PROTOCOL(estring); SERIAL_PROTOCOLPGM("Ki "); SERIAL_PROTOCOLLN(workKi);
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SERIAL_PROTOCOLPGM("#define DEFAULT_"); SERIAL_PROTOCOL(estring); SERIAL_PROTOCOLPGM("Kd "); SERIAL_PROTOCOLLN(workKd);
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#if HAS_PID_FOR_BOTH
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const char* estring = extruder < 0 ? "bed" : "";
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SERIAL_PROTOCOLPGM("#define DEFAULT_"); SERIAL_PROTOCOL(estring); SERIAL_PROTOCOLPGM("Kp "); SERIAL_PROTOCOLLN(workKp);
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SERIAL_PROTOCOLPGM("#define DEFAULT_"); SERIAL_PROTOCOL(estring); SERIAL_PROTOCOLPGM("Ki "); SERIAL_PROTOCOLLN(workKi);
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SERIAL_PROTOCOLPGM("#define DEFAULT_"); SERIAL_PROTOCOL(estring); SERIAL_PROTOCOLPGM("Kd "); SERIAL_PROTOCOLLN(workKd);
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#elif ENABLED(PIDTEMP)
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SERIAL_PROTOCOLPGM("#define DEFAULT_Kp "); SERIAL_PROTOCOLLN(workKp);
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SERIAL_PROTOCOLPGM("#define DEFAULT_Ki "); SERIAL_PROTOCOLLN(workKi);
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SERIAL_PROTOCOLPGM("#define DEFAULT_Kd "); SERIAL_PROTOCOLLN(workKd);
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#else
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SERIAL_PROTOCOLPGM("#define DEFAULT_bedKp "); SERIAL_PROTOCOLLN(workKp);
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SERIAL_PROTOCOLPGM("#define DEFAULT_bedKi "); SERIAL_PROTOCOLLN(workKi);
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SERIAL_PROTOCOLPGM("#define DEFAULT_bedKd "); SERIAL_PROTOCOLLN(workKd);
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#endif
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#define _SET_BED_PID() \
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bedKp = workKp; \
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bedKi = scalePID_i(workKi); \
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bedKd = scalePID_d(workKd); \
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updatePID()
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#define _SET_EXTRUDER_PID() \
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PID_PARAM(Kp, extruder) = workKp; \
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PID_PARAM(Ki, extruder) = scalePID_i(workKi); \
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PID_PARAM(Kd, extruder) = scalePID_d(workKd); \
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updatePID()
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// Use the result? (As with "M303 U1")
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if (set_result) {
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if (extruder < 0) {
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#if ENABLED(PIDTEMPBED)
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bedKp = workKp;
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bedKi = scalePID_i(workKi);
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bedKd = scalePID_d(workKd);
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updatePID();
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#endif
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}
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else {
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PID_PARAM(Kp, extruder) = workKp;
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PID_PARAM(Ki, extruder) = scalePID_i(workKi);
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PID_PARAM(Kd, extruder) = scalePID_d(workKd);
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updatePID();
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}
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#if HAS_PID_FOR_BOTH
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if (extruder < 0) {
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_SET_BED_PID();
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}
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else {
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_SET_EXTRUDER_PID();
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}
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#elif ENABLED(PIDTEMP)
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_SET_EXTRUDER_PID();
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#else
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_SET_BED_PID();
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#endif
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}
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return;
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}
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