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Merge pull request #4967 from thinkyhead/rc_dac_menu

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Revised DAC Drive Strength Menu
2.0.x
Scott Lahteine 8 years ago committed by GitHub
parent 00261cbfcb a1b50f1102
commit fc93796e42
6 changed files with 97 additions and 31 deletions
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40
Marlin/dac_mcp4728.cpp
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@ -34,7 +34,7 @@
#if ENABLED(DAC_STEPPER_CURRENT) #if ENABLED(DAC_STEPPER_CURRENT)
uint16_t mcp4728_values[4]; uint16_t mcp4728_values[XYZE];
/** /**
* Begin I2C, get current values (input register and eeprom) of mcp4728 * Begin I2C, get current values (input register and eeprom) of mcp4728
@ -42,16 +42,13 @@ uint16_t mcp4728_values[4];
void mcp4728_init() { void mcp4728_init() {
Wire.begin(); Wire.begin();
Wire.requestFrom(int(DAC_DEV_ADDRESS), 24); Wire.requestFrom(int(DAC_DEV_ADDRESS), 24);
while(Wire.available()) { while (Wire.available()) {
int deviceID = Wire.read(); char deviceID = Wire.read(),
int hiByte = Wire.read(); hiByte = Wire.read(),
int loByte = Wire.read(); loByte = Wire.read();
int isEEPROM = (deviceID & 0B00001000) >> 3; if (!(deviceID & 0x08))
int channel = (deviceID & 0B00110000) >> 4; mcp4728_values[(deviceID & 0x30) >> 4] = word((hiByte & 0x0F), loByte);
if (isEEPROM != 1) {
mcp4728_values[channel] = word((hiByte & 0B00001111), loByte);
}
} }
} }
@ -71,8 +68,8 @@ uint8_t mcp4728_analogWrite(uint8_t channel, uint16_t value) {
uint8_t mcp4728_eepromWrite() { uint8_t mcp4728_eepromWrite() {
Wire.beginTransmission(DAC_DEV_ADDRESS); Wire.beginTransmission(DAC_DEV_ADDRESS);
Wire.write(SEQWRITE); Wire.write(SEQWRITE);
for (uint8_t channel=0; channel <= 3; channel++) { for (uint8_t channel = 0; channel < COUNT(channel); channel++) {
Wire.write(DAC_STEPPER_VREF << 7 | 0 << 5 | DAC_STEPPER_GAIN << 4 | highByte(mcp4728_values[channel])); Wire.write(DAC_STEPPER_VREF << 7 | DAC_STEPPER_GAIN << 4 | highByte(mcp4728_values[channel]));
Wire.write(lowByte(mcp4728_values[channel])); Wire.write(lowByte(mcp4728_values[channel]));
} }
return Wire.endTransmission(); return Wire.endTransmission();
@ -83,7 +80,7 @@ uint8_t mcp4728_eepromWrite() {
*/ */
uint8_t mcp4728_setVref_all(uint8_t value) { uint8_t mcp4728_setVref_all(uint8_t value) {
Wire.beginTransmission(DAC_DEV_ADDRESS); Wire.beginTransmission(DAC_DEV_ADDRESS);
Wire.write(VREFWRITE | value << 3 | value << 2 | value << 1 | value); Wire.write(GAINWRITE | (value ? 0x0F : 0x00));
return Wire.endTransmission(); return Wire.endTransmission();
} }
/** /**
@ -91,7 +88,7 @@ uint8_t mcp4728_setVref_all(uint8_t value) {
*/ */
uint8_t mcp4728_setGain_all(uint8_t value) { uint8_t mcp4728_setGain_all(uint8_t value) {
Wire.beginTransmission(DAC_DEV_ADDRESS); Wire.beginTransmission(DAC_DEV_ADDRESS);
Wire.write(GAINWRITE | value << 3 | value << 2 | value << 1 | value); Wire.write(GAINWRITE | (value ? 0x0F : 0x00));
return Wire.endTransmission(); return Wire.endTransmission();
} }
@ -105,13 +102,22 @@ uint16_t mcp4728_getValue(uint8_t channel) { return mcp4728_values[channel]; }
* Return Vout * Return Vout
* *
uint16_t mcp4728_getVout(uint8_t channel) { uint16_t mcp4728_getVout(uint8_t channel) {
uint32_t vref = 2048; uint32_t vref = 2048,
uint32_t vOut = (vref * mcp4728_values[channel] * (_DAC_STEPPER_GAIN + 1)) / 4096; vOut = (vref * mcp4728_values[channel] * (_DAC_STEPPER_GAIN + 1)) / 4096;
if (vOut > defaultVDD) vOut = defaultVDD; if (vOut > defaultVDD) vOut = defaultVDD;
return vOut; return vOut;
} }
*/ */
/* Returns DAC values as a 0-100 percentage of drive strength */
uint16_t mcp4728_getDrvPct(uint8_t channel) { return uint16_t(100.0 * mcp4728_values[channel] / (DAC_STEPPER_MAX) + 0.5); }
/* Recieves all Drive strengths as 0-100 percent values, updates DAC Values array and calls fastwrite to update the DAC */
void mcp4728_setDrvPct(int16_t pct[XYZE]) {
LOOP_XYZE(i) mcp4728_values[i] = 0.01 * pct[i] * (DAC_STEPPER_MAX);
mcp4728_fastWrite();
}
/** /**
* FastWrite input register values - All DAC ouput update. refer to DATASHEET 5.6.1 * FastWrite input register values - All DAC ouput update. refer to DATASHEET 5.6.1
* DAC Input and PowerDown bits update. * DAC Input and PowerDown bits update.
@ -119,7 +125,7 @@ uint16_t mcp4728_getVout(uint8_t channel) {
*/ */
uint8_t mcp4728_fastWrite() { uint8_t mcp4728_fastWrite() {
Wire.beginTransmission(DAC_DEV_ADDRESS); Wire.beginTransmission(DAC_DEV_ADDRESS);
for (uint8_t channel=0; channel <= 3; channel++) { for (uint8_t channel = 0; channel < COUNT(channel); channel++) {
Wire.write(highByte(mcp4728_values[channel])); Wire.write(highByte(mcp4728_values[channel]));
Wire.write(lowByte(mcp4728_values[channel])); Wire.write(lowByte(mcp4728_values[channel]));
} }

4
Marlin/dac_mcp4728.h
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@ -32,7 +32,7 @@
#if ENABLED(DAC_STEPPER_CURRENT) #if ENABLED(DAC_STEPPER_CURRENT)
#include "Wire.h" #include "Wire.h"
#define defaultVDD 5000 #define defaultVDD DAC_STEPPER_MAX //was 5000 but differs with internal Vref
#define BASE_ADDR 0x60 #define BASE_ADDR 0x60
#define RESET 0B00000110 #define RESET 0B00000110
#define WAKE 0B00001001 #define WAKE 0B00001001
@ -59,6 +59,8 @@ uint8_t mcp4728_setGain_all(uint8_t value);
uint16_t mcp4728_getValue(uint8_t channel); uint16_t mcp4728_getValue(uint8_t channel);
uint8_t mcp4728_fastWrite(); uint8_t mcp4728_fastWrite();
uint8_t mcp4728_simpleCommand(byte simpleCommand); uint8_t mcp4728_simpleCommand(byte simpleCommand);
uint16_t mcp4728_getDrvPct(uint8_t channel);
void mcp4728_setDrvPct(int16_t pct[XYZE]);
#endif #endif
#endif #endif

9
Marlin/language_en.h
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@ -544,6 +544,15 @@
#ifndef MSG_FILAMENT_CHANGE_OPTION_RESUME #ifndef MSG_FILAMENT_CHANGE_OPTION_RESUME
#define MSG_FILAMENT_CHANGE_OPTION_RESUME "Resume print" #define MSG_FILAMENT_CHANGE_OPTION_RESUME "Resume print"
#endif #endif
#ifndef MSG_DRIVE_STRENGTH
#define MSG_DRIVE_STRENGTH "Drive Strength"
#endif
#ifndef MSG_DAC_PERCENT
#define MSG_DAC_PERCENT "Driver %"
#endif
#ifndef MSG_DAC_EEPROM_WRITE
#define MSG_DAC_EEPROM_WRITE "DAC EEPROM Write"
#endif
#if LCD_HEIGHT >= 4 #if LCD_HEIGHT >= 4
#ifndef MSG_FILAMENT_CHANGE_INIT_1 #ifndef MSG_FILAMENT_CHANGE_INIT_1
#define MSG_FILAMENT_CHANGE_INIT_1 "Wait for start" #define MSG_FILAMENT_CHANGE_INIT_1 "Wait for start"

32
Marlin/stepper_dac.cpp
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@ -49,6 +49,7 @@
bool dac_present = false; bool dac_present = false;
const uint8_t dac_order[NUM_AXIS] = DAC_STEPPER_ORDER; const uint8_t dac_order[NUM_AXIS] = DAC_STEPPER_ORDER;
uint16_t dac_channel_pct[XYZE];
int dac_init() { int dac_init() {
#if PIN_EXISTS(DAC_DISABLE) #if PIN_EXISTS(DAC_DISABLE)
@ -72,7 +73,7 @@
NOMORE(val, 100); NOMORE(val, 100);
mcp4728_analogWrite(dac_order[channel], val * DAC_STEPPER_MAX / 100); mcp4728_analogWrite(dac_order[channel], val * 0.01 * (DAC_STEPPER_MAX));
mcp4728_simpleCommand(UPDATE); mcp4728_simpleCommand(UPDATE);
} }
@ -85,8 +86,14 @@
mcp4728_simpleCommand(UPDATE); mcp4728_simpleCommand(UPDATE);
} }
static float dac_perc(int8_t n) { return 100.0 * mcp4728_getValue(dac_order[n]) / DAC_STEPPER_MAX; } static float dac_perc(int8_t n) { return 100.0 * mcp4728_getValue(dac_order[n]) * (1.0 / (DAC_STEPPER_MAX)); }
static float dac_amps(int8_t n) { return ((2.048 * mcp4728_getValue(dac_order[n])) / 4096.0) / (8.0 * DAC_STEPPER_SENSE); } static float dac_amps(int8_t n) { return mcp4728_getDrvPct(dac_order[n]) * (DAC_STEPPER_MAX) * (0.125 * (DAC_STEPPER_SENSE)); }
int16_t dac_current_get_percent(AxisEnum axis) { return mcp4728_getDrvPct(dac_order[axis]); }
void dac_current_set_percents(int16_t pct[XYZE]) {
LOOP_XYZE(i) dac_channel_pct[i] = pct[dac_order[i]];
mcp4728_setDrvPct(dac_channel_pct);
}
void dac_print_values() { void dac_print_values() {
if (!dac_present) return; if (!dac_present) return;
@ -94,16 +101,15 @@
SERIAL_ECHO_START; SERIAL_ECHO_START;
SERIAL_ECHOLNPGM("Stepper current values in % (Amps):"); SERIAL_ECHOLNPGM("Stepper current values in % (Amps):");
SERIAL_ECHO_START; SERIAL_ECHO_START;
SERIAL_ECHOPAIR(" X:", dac_perc(0)); SERIAL_ECHOPAIR(" X:", dac_perc(X_AXIS));
SERIAL_ECHOPAIR(" (", dac_amps(0)); SERIAL_ECHOPAIR(" (", dac_amps(X_AXIS));
SERIAL_ECHOPAIR(") Y:", dac_perc(1)); SERIAL_ECHOPAIR(") Y:", dac_perc(Y_AXIS));
SERIAL_ECHOPAIR(" (", dac_amps(1)); SERIAL_ECHOPAIR(" (", dac_amps(Y_AXIS));
SERIAL_ECHOPAIR(") Z:", dac_perc(2)); SERIAL_ECHOPAIR(") Z:", dac_perc(Z_AXIS));
SERIAL_ECHOPAIR(" (", dac_amps(2)); SERIAL_ECHOPAIR(" (", dac_amps(Z_AXIS));
SERIAL_ECHOPAIR(") E:", dac_perc(3)); SERIAL_ECHOPAIR(") E:", dac_perc(E_AXIS));
SERIAL_ECHOPAIR(" (", dac_amps(3)); SERIAL_ECHOPAIR(" (", dac_amps(E_AXIS));
SERIAL_CHAR(')'); SERIAL_ECHOLN(")");
SERIAL_EOL;
} }
void dac_commit_eeprom() { void dac_commit_eeprom() {

2
Marlin/stepper_dac.h
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@ -51,5 +51,7 @@ void dac_current_percent(uint8_t channel, float val);
void dac_current_raw(uint8_t channel, uint16_t val); void dac_current_raw(uint8_t channel, uint16_t val);
void dac_print_values(); void dac_print_values();
void dac_commit_eeprom(); void dac_commit_eeprom();
int16_t dac_current_get_percent(AxisEnum axis);
void dac_current_set_percents(int16_t pct[XYZE]);
#endif // STEPPER_DAC_H #endif // STEPPER_DAC_H

41
Marlin/ultralcd.cpp
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@ -62,6 +62,11 @@ millis_t next_lcd_update_ms;
uint8_t lcdDrawUpdate = LCDVIEW_CLEAR_CALL_REDRAW; // Set when the LCD needs to draw, decrements after every draw. Set to 2 in LCD routines so the LCD gets at least 1 full redraw (first redraw is partial) uint8_t lcdDrawUpdate = LCDVIEW_CLEAR_CALL_REDRAW; // Set when the LCD needs to draw, decrements after every draw. Set to 2 in LCD routines so the LCD gets at least 1 full redraw (first redraw is partial)
#if ENABLED(DAC_STEPPER_CURRENT)
#include "stepper_dac.h" //was dac_mcp4728.h MarlinMain uses stepper dac for the m-codes
uint16_t driverPercent[XYZE];
#endif
#if ENABLED(ULTIPANEL) #if ENABLED(ULTIPANEL)
// place-holders for Ki and Kd edits // place-holders for Ki and Kd edits
@ -114,6 +119,13 @@ uint8_t lcdDrawUpdate = LCDVIEW_CLEAR_CALL_REDRAW; // Set when the LCD needs to
static void lcd_control_motion_menu(); static void lcd_control_motion_menu();
static void lcd_control_volumetric_menu(); static void lcd_control_volumetric_menu();
#if ENABLED(DAC_STEPPER_CURRENT)
static void dac_driver_commit();
static void dac_driver_getValues();
static void lcd_dac_menu();
static void lcd_dac_write_eeprom();
#endif
#if ENABLED(LCD_INFO_MENU) #if ENABLED(LCD_INFO_MENU)
#if ENABLED(PRINTCOUNTER) #if ENABLED(PRINTCOUNTER)
static void lcd_info_stats_menu(); static void lcd_info_stats_menu();
@ -846,6 +858,31 @@ void kill_screen(const char* lcd_msg) {
END_MENU(); END_MENU();
} }
/**
*
* "Driver current control" submenu items
*
*/
#if ENABLED(DAC_STEPPER_CURRENT)
static void dac_driver_getValues() { LOOP_XYZE(i) driverPercent[i] = dac_current_get_percent((AxisEnum)i); }
static void dac_driver_commit() { dac_current_set_percents(driverPercent); }
static void dac_driver_eeprom_write() { dac_commit_eeprom(); }
static void lcd_dac_menu() {
dac_driver_getValues();
START_MENU();
MENU_ITEM(back, MSG_CONTROL);
MENU_ITEM_EDIT_CALLBACK(int3, MSG_X " " MSG_DAC_PERCENT, &driverPercent[X_AXIS], 0, 100, dac_driver_commit);
MENU_ITEM_EDIT_CALLBACK(int3, MSG_Y " " MSG_DAC_PERCENT, &driverPercent[Y_AXIS], 0, 100, dac_driver_commit);
MENU_ITEM_EDIT_CALLBACK(int3, MSG_Z " " MSG_DAC_PERCENT, &driverPercent[Z_AXIS], 0, 100, dac_driver_commit);
MENU_ITEM_EDIT_CALLBACK(int3, MSG_E " " MSG_DAC_PERCENT, &driverPercent[E_AXIS], 0, 100, dac_driver_commit);
MENU_ITEM(function, MSG_DAC_EEPROM_WRITE, dac_driver_eeprom_write);
END_MENU();
}
#endif
/** /**
* *
* "Prepare" submenu items * "Prepare" submenu items
@ -1529,6 +1566,10 @@ void kill_screen(const char* lcd_msg) {
#if ENABLED(FWRETRACT) #if ENABLED(FWRETRACT)
MENU_ITEM(submenu, MSG_RETRACT, lcd_control_retract_menu); MENU_ITEM(submenu, MSG_RETRACT, lcd_control_retract_menu);
#endif #endif
#if ENABLED(DAC_STEPPER_CURRENT)
MENU_ITEM(submenu, MSG_DRIVE_STRENGTH, lcd_dac_menu);
#endif
#if ENABLED(EEPROM_SETTINGS) #if ENABLED(EEPROM_SETTINGS)
MENU_ITEM(function, MSG_STORE_EPROM, Config_StoreSettings); MENU_ITEM(function, MSG_STORE_EPROM, Config_StoreSettings);
MENU_ITEM(function, MSG_LOAD_EPROM, Config_RetrieveSettings); MENU_ITEM(function, MSG_LOAD_EPROM, Config_RetrieveSettings);

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