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Option to use raw digipot values (#17536)

vanilla_fb_2.0.x
grauerfuchs 5 years ago
committed by GitHub
parent
8e8ba46cb6
commit
4a5a3d27ed
No known key found for this signature in database GPG Key ID: 4AEE18F83AFDEB23
13 changed files with 90 additions and 85 deletions
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  1. 23
      Marlin/Configuration_adv.h
  2. 10
      Marlin/src/HAL/AVR/inc/SanityCheck.h
  3. 2
      Marlin/src/HAL/LPC1768/inc/SanityCheck.h
  4. 4
      Marlin/src/MarlinCore.cpp
  5. 70
      Marlin/src/feature/digipot/digipot_mcp4018.cpp
  6. 28
      Marlin/src/feature/digipot/digipot_mcp4451.cpp
  7. 8
      Marlin/src/gcode/feature/digipot/M907-M910.cpp
  8. 2
      Marlin/src/gcode/gcode.cpp
  9. 2
      Marlin/src/gcode/gcode.h
  10. 4
      Marlin/src/inc/Conditionals_adv.h
  11. 12
      Marlin/src/inc/SanityCheck.h
  12. 2
      Marlin/src/lcd/extui/ui_api.cpp
  13. 8
      buildroot/share/tests/mega2560-tests

23
Marlin/Configuration_adv.h
View File

@ -926,9 +926,20 @@
//#define DIGIPOT_MOTOR_CURRENT { 135,135,135,135,135 } // Values 0-255 (RAMBO 135 = ~0.75A, 185 = ~1A)
//#define DAC_MOTOR_CURRENT_DEFAULT { 70, 80, 90, 80 } // Default drive percent - X, Y, Z, E axis
// Use an I2C based DIGIPOT (e.g., Azteeg X3 Pro)
//#define DIGIPOT_I2C
#if ENABLED(DIGIPOT_I2C) && !defined(DIGIPOT_I2C_ADDRESS_A)
/**
* I2C-based DIGIPOTs (e.g., Azteeg X3 Pro)
*/
//#define DIGIPOT_MCP4018 // Requires https://github.com/stawel/SlowSoftI2CMaster
//#define DIGIPOT_MCP4451
#if EITHER(DIGIPOT_MCP4018, DIGIPOT_MCP4451)
#define DIGIPOT_I2C_NUM_CHANNELS 8 // 5DPRINT:4 AZTEEG_X3_PRO:8 MKS_SBASE:5 MIGHTYBOARD_REVE:5
// Actual motor currents in Amps. The number of entries must match DIGIPOT_I2C_NUM_CHANNELS.
// These correspond to the physical drivers, so be mindful if the order is changed.
#define DIGIPOT_I2C_MOTOR_CURRENTS { 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0 } // AZTEEG_X3_PRO
//#define DIGIPOT_USE_RAW_VALUES // Use DIGIPOT_MOTOR_CURRENT raw wiper values (instead of A4988 motor currents)
/**
* Common slave addresses:
*
@ -943,12 +954,6 @@
#define DIGIPOT_I2C_ADDRESS_B 0x2D // unshifted slave address for second DIGIPOT
#endif
//#define DIGIPOT_MCP4018 // Requires library from https://github.com/stawel/SlowSoftI2CMaster
#define DIGIPOT_I2C_NUM_CHANNELS 8 // 5DPRINT: 4 AZTEEG_X3_PRO: 8 MKS SBASE: 5
// Actual motor currents in Amps. The number of entries must match DIGIPOT_I2C_NUM_CHANNELS.
// These correspond to the physical drivers, so be mindful if the order is changed.
#define DIGIPOT_I2C_MOTOR_CURRENTS { 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0 } // AZTEEG_X3_PRO
//===========================================================================
//=============================Additional Features===========================
//===========================================================================

10
Marlin/src/HAL/AVR/inc/SanityCheck.h
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@ -25,16 +25,6 @@
* Test AVR-specific configuration values for errors at compile-time.
*/
/**
* Digipot requirement
*/
#if ENABLED(DIGIPOT_MCP4018)
#if !defined(DIGIPOTS_I2C_SDA_X) || !defined(DIGIPOTS_I2C_SDA_Y) || !defined(DIGIPOTS_I2C_SDA_Z) \
|| !defined(DIGIPOTS_I2C_SDA_E0) || !defined(DIGIPOTS_I2C_SDA_E1)
#error "DIGIPOT_MCP4018 requires DIGIPOTS_I2C_SDA_* pins to be defined."
#endif
#endif
/**
* Checks for FAST PWM
*/

2
Marlin/src/HAL/LPC1768/inc/SanityCheck.h
View File

@ -174,7 +174,7 @@ static_assert(DISABLED(BAUD_RATE_GCODE), "BAUD_RATE_GCODE is not yet supported o
//
// Flag any i2c pin conflicts
//
#if ANY(DIGIPOT_I2C, DIGIPOT_MCP4018, DAC_STEPPER_CURRENT, EXPERIMENTAL_I2CBUS, I2C_POSITION_ENCODERS, PCA9632, I2C_EEPROM)
#if ANY(HAS_I2C_DIGIPOT, DAC_STEPPER_CURRENT, EXPERIMENTAL_I2CBUS, I2C_POSITION_ENCODERS, PCA9632, I2C_EEPROM)
#define USEDI2CDEV_M 1 // <Arduino>/Wire.cpp
#if USEDI2CDEV_M == 0 // P0_27 [D57] (AUX-1) .......... P0_28 [D58] (AUX-1)

4
Marlin/src/MarlinCore.cpp
View File

@ -70,7 +70,7 @@
#include "libs/buzzer.h"
#endif
#if ENABLED(DIGIPOT_I2C)
#if HAS_I2C_DIGIPOT
#include "feature/digipot/digipot.h"
#endif
@ -1070,7 +1070,7 @@ void setup() {
SETUP_RUN(enableStepperDrivers());
#endif
#if ENABLED(DIGIPOT_I2C)
#if HAS_I2C_DIGIPOT
SETUP_RUN(digipot_i2c_init());
#endif

70
Marlin/src/feature/digipot/digipot_mcp4018.cpp
View File

@ -22,53 +22,46 @@
#include "../../inc/MarlinConfig.h"
#if BOTH(DIGIPOT_I2C, DIGIPOT_MCP4018)
#if ENABLED(DIGIPOT_MCP4018)
#include <Stream.h>
#include <SlowSoftI2CMaster.h> //https://github.com/stawel/SlowSoftI2CMaster
#include <SlowSoftI2CMaster.h> // https://github.com/stawel/SlowSoftI2CMaster
// Settings for the I2C based DIGIPOT (MCP4018) based on WT150
#define DIGIPOT_A4988_Rsx 0.250
#define DIGIPOT_A4988_Vrefmax 1.666
#define DIGIPOT_A4988_MAX_VALUE 127
#define DIGIPOT_MCP4018_MAX_VALUE 127
#define DIGIPOT_A4988_Itripmax(Vref) ((Vref)/(8.0*DIGIPOT_A4988_Rsx))
#define DIGIPOT_A4988_Itripmax(Vref) ((Vref) / (8.0 * DIGIPOT_A4988_Rsx))
#define DIGIPOT_A4988_FACTOR ((DIGIPOT_A4988_MAX_VALUE)/DIGIPOT_A4988_Itripmax(DIGIPOT_A4988_Vrefmax))
#define DIGIPOT_A4988_FACTOR ((DIGIPOT_MCP4018_MAX_VALUE) / DIGIPOT_A4988_Itripmax(DIGIPOT_A4988_Vrefmax))
#define DIGIPOT_A4988_MAX_CURRENT 2.0
static byte current_to_wiper(const float current) {
const int16_t value = ceil(float(DIGIPOT_A4988_FACTOR) * current);
return byte(constrain(value, 0, DIGIPOT_A4988_MAX_VALUE));
const int16_t value = TERN(DIGIPOT_USE_RAW_VALUES, current, CEIL(current * DIGIPOT_A4988_FACTOR));
return byte(constrain(value, 0, DIGIPOT_MCP4018_MAX_VALUE));
}
const uint8_t sda_pins[DIGIPOT_I2C_NUM_CHANNELS] = {
DIGIPOTS_I2C_SDA_X
#if DIGIPOT_I2C_NUM_CHANNELS > 1
, DIGIPOTS_I2C_SDA_Y
#if DIGIPOT_I2C_NUM_CHANNELS > 2
, DIGIPOTS_I2C_SDA_Z
#if DIGIPOT_I2C_NUM_CHANNELS > 3
, DIGIPOTS_I2C_SDA_E0
#if DIGIPOT_I2C_NUM_CHANNELS > 4
, DIGIPOTS_I2C_SDA_E1
#endif
#endif
#endif
#endif
};
static SlowSoftI2CMaster pots[DIGIPOT_I2C_NUM_CHANNELS] = {
SlowSoftI2CMaster { sda_pins[X_AXIS], DIGIPOTS_I2C_SCL }
SlowSoftI2CMaster(DIGIPOTS_I2C_SDA_X, DIGIPOTS_I2C_SCL)
#if DIGIPOT_I2C_NUM_CHANNELS > 1
, SlowSoftI2CMaster { sda_pins[Y_AXIS], DIGIPOTS_I2C_SCL }
, SlowSoftI2CMaster(DIGIPOTS_I2C_SDA_Y, DIGIPOTS_I2C_SCL)
#if DIGIPOT_I2C_NUM_CHANNELS > 2
, SlowSoftI2CMaster { sda_pins[Z_AXIS], DIGIPOTS_I2C_SCL }
, SlowSoftI2CMaster(DIGIPOTS_I2C_SDA_Z, DIGIPOTS_I2C_SCL)
#if DIGIPOT_I2C_NUM_CHANNELS > 3
, SlowSoftI2CMaster { sda_pins[E_AXIS], DIGIPOTS_I2C_SCL }
, SlowSoftI2CMaster(DIGIPOTS_I2C_SDA_E0, DIGIPOTS_I2C_SCL)
#if DIGIPOT_I2C_NUM_CHANNELS > 4
, SlowSoftI2CMaster { sda_pins[E_AXIS + 1], DIGIPOTS_I2C_SCL }
, SlowSoftI2CMaster(DIGIPOTS_I2C_SDA_E1, DIGIPOTS_I2C_SCL)
#if DIGIPOT_I2C_NUM_CHANNELS > 5
, SlowSoftI2CMaster(DIGIPOTS_I2C_SDA_E2, DIGIPOTS_I2C_SCL)
#if DIGIPOT_I2C_NUM_CHANNELS > 6
, SlowSoftI2CMaster(DIGIPOTS_I2C_SDA_E3, DIGIPOTS_I2C_SCL)
#if DIGIPOT_I2C_NUM_CHANNELS > 7
, SlowSoftI2CMaster(DIGIPOTS_I2C_SDA_E4, DIGIPOTS_I2C_SCL)
#endif
#endif
#endif
#endif
#endif
#endif
@ -85,18 +78,23 @@ static void i2c_send(const uint8_t channel, const byte v) {
// This is for the MCP4018 I2C based digipot
void digipot_i2c_set_current(const uint8_t channel, const float current) {
i2c_send(channel, current_to_wiper(_MIN(_MAX(current, 0), float(DIGIPOT_A4988_MAX_CURRENT))));
const float ival = _MIN(_MAX(current, 0), float(DIGIPOT_MCP4018_MAX_VALUE));
i2c_send(channel, current_to_wiper(ival));
}
void digipot_i2c_init() {
static const float digipot_motor_current[] PROGMEM = DIGIPOT_I2C_MOTOR_CURRENTS;
LOOP_L_N(i, DIGIPOT_I2C_NUM_CHANNELS)
pots[i].i2c_init();
// setup initial currents as defined in Configuration_adv.h
LOOP_L_N(i, DIGIPOT_I2C_NUM_CHANNELS) pots[i].i2c_init();
// Init currents according to Configuration_adv.h
static const float digipot_motor_current[] PROGMEM =
#if ENABLED(DIGIPOT_USE_RAW_VALUES)
DIGIPOT_MOTOR_CURRENT
#else
DIGIPOT_I2C_MOTOR_CURRENTS
#endif
;
LOOP_L_N(i, COUNT(digipot_motor_current))
digipot_i2c_set_current(i, pgm_read_float(&digipot_motor_current[i]));
}
#endif // DIGIPOT_I2C && DIGIPOT_MCP4018
#endif // DIGIPOT_MCP4018

28
Marlin/src/feature/digipot/digipot_mcp4451.cpp
View File

@ -22,7 +22,7 @@
#include "../../inc/MarlinConfig.h"
#if ENABLED(DIGIPOT_I2C) && DISABLED(DIGIPOT_MCP4018)
#if ENABLED(DIGIPOT_MCP4451)
#include <Stream.h>
#include <Wire.h>
@ -33,18 +33,18 @@
// Settings for the I2C based DIGIPOT (MCP4451) on Azteeg X3 Pro
#if MB(5DPRINT)
#define DIGIPOT_I2C_FACTOR 117.96
#define DIGIPOT_I2C_MAX_CURRENT 1.736
#define DIGIPOT_I2C_FACTOR 117.96f
#define DIGIPOT_I2C_MAX_CURRENT 1.736f
#elif MB(AZTEEG_X5_MINI, AZTEEG_X5_MINI_WIFI)
#define DIGIPOT_I2C_FACTOR 113.5
#define DIGIPOT_I2C_MAX_CURRENT 2.0
#define DIGIPOT_I2C_FACTOR 113.5f
#define DIGIPOT_I2C_MAX_CURRENT 2.0f
#else
#define DIGIPOT_I2C_FACTOR 106.7
#define DIGIPOT_I2C_MAX_CURRENT 2.5
#define DIGIPOT_I2C_FACTOR 106.7f
#define DIGIPOT_I2C_MAX_CURRENT 2.5f
#endif
static byte current_to_wiper(const float current) {
return byte(CEIL(float((DIGIPOT_I2C_FACTOR * current))));
return byte(TERN(DIGIPOT_USE_RAW_VALUES, current, CEIL(DIGIPOT_I2C_FACTOR * current)));
}
static void digipot_i2c_send(const byte addr, const byte a, const byte b) {
@ -62,8 +62,8 @@ static void digipot_i2c_send(const byte addr, const byte a, const byte b) {
// This is for the MCP4451 I2C based digipot
void digipot_i2c_set_current(const uint8_t channel, const float current) {
// these addresses are specific to Azteeg X3 Pro, can be set to others,
// In this case first digipot is at address A0=0, A1= 0, second one is at A0=0, A1= 1
// These addresses are specific to Azteeg X3 Pro, can be set to others.
// In this case first digipot is at address A0=0, A1=0, second one is at A0=0, A1=1
const byte addr = channel < 4 ? DIGIPOT_I2C_ADDRESS_A : DIGIPOT_I2C_ADDRESS_B; // channel 0-3 vs 4-7
// Initial setup
@ -77,14 +77,14 @@ void digipot_i2c_set_current(const uint8_t channel, const float current) {
void digipot_i2c_init() {
#if MB(MKS_SBASE)
configure_i2c(16); // Setting clock_option to 16 ensure the I2C bus is initialized at 400kHz
configure_i2c(16); // Set clock_option to 16 ensure I2C is initialized at 400kHz
#else
Wire.begin();
#endif
// setup initial currents as defined in Configuration_adv.h
static const float digipot_motor_current[] PROGMEM = DIGIPOT_I2C_MOTOR_CURRENTS;
// Set up initial currents as defined in Configuration_adv.h
static const float digipot_motor_current[] PROGMEM = TERN(DIGIPOT_USE_RAW_VALUES, DIGIPOT_MOTOR_CURRENT, DIGIPOT_I2C_MOTOR_CURRENTS);
LOOP_L_N(i, COUNT(digipot_motor_current))
digipot_i2c_set_current(i, pgm_read_float(&digipot_motor_current[i]));
}
#endif // DIGIPOT_I2C
#endif // DIGIPOT_MCP4451

8
Marlin/src/gcode/feature/digipot/M907-M910.cpp
View File

@ -22,7 +22,7 @@
#include "../../../inc/MarlinConfig.h"
#if HAS_DIGIPOTSS || HAS_MOTOR_CURRENT_PWM || EITHER(DIGIPOT_I2C, DAC_STEPPER_CURRENT)
#if HAS_DIGIPOTSS || HAS_MOTOR_CURRENT_PWM || HAS_I2C_DIGIPOT || ENABLED(DAC_STEPPER_CURRENT)
#include "../../gcode.h"
@ -30,7 +30,7 @@
#include "../../../module/stepper.h"
#endif
#if ENABLED(DIGIPOT_I2C)
#if HAS_I2C_DIGIPOT
#include "../../../feature/digipot/digipot.h"
#endif
@ -62,7 +62,7 @@ void GcodeSuite::M907() {
#endif
#if ENABLED(DIGIPOT_I2C)
#if HAS_I2C_DIGIPOT
// this one uses actual amps in floating point
LOOP_XYZE(i) if (parser.seenval(axis_codes[i])) digipot_i2c_set_current(i, parser.value_float());
// Additional extruders use B,C,D for channels 4,5,6.
@ -103,4 +103,4 @@ void GcodeSuite::M907() {
#endif // DAC_STEPPER_CURRENT
#endif // HAS_DIGIPOTSS || DAC_STEPPER_CURRENT || HAS_MOTOR_CURRENT_PWM || DIGIPOT_I2C
#endif // HAS_DIGIPOTSS || HAS_MOTOR_CURRENT_PWM || HAS_I2C_DIGIPOT || DAC_STEPPER_CURRENT

2
Marlin/src/gcode/gcode.cpp
View File

@ -794,7 +794,7 @@ void GcodeSuite::process_parsed_command(const bool no_ok/*=false*/) {
case 900: M900(); break; // M900: Set advance K factor.
#endif
#if HAS_DIGIPOTSS || HAS_MOTOR_CURRENT_PWM || EITHER(DIGIPOT_I2C, DAC_STEPPER_CURRENT)
#if HAS_DIGIPOTSS || HAS_MOTOR_CURRENT_PWM || HAS_I2C_DIGIPOT || ENABLED(DAC_STEPPER_CURRENT)
case 907: M907(); break; // M907: Set digital trimpot motor current using axis codes.
#if HAS_DIGIPOTSS || ENABLED(DAC_STEPPER_CURRENT)
case 908: M908(); break; // M908: Control digital trimpot directly.

2
Marlin/src/gcode/gcode.h
View File

@ -938,7 +938,7 @@ private:
static void M918();
#endif
#if HAS_DIGIPOTSS || HAS_MOTOR_CURRENT_PWM || EITHER(DIGIPOT_I2C, DAC_STEPPER_CURRENT)
#if HAS_DIGIPOTSS || HAS_MOTOR_CURRENT_PWM || HAS_I2C_DIGIPOT || ENABLED(DAC_STEPPER_CURRENT)
static void M907();
#if HAS_DIGIPOTSS || ENABLED(DAC_STEPPER_CURRENT)
static void M908();

4
Marlin/src/inc/Conditionals_adv.h
View File

@ -113,6 +113,10 @@
#define HAS_LEDS_OFF_FLAG 1
#endif
#if EITHER(DIGIPOT_MCP4018, DIGIPOT_MCP4451)
#define HAS_I2C_DIGIPOT 1
#endif
// Multiple Z steppers
#ifndef NUM_Z_STEPPER_DRIVERS
#define NUM_Z_STEPPER_DRIVERS 1

12
Marlin/src/inc/SanityCheck.h
View File

@ -497,6 +497,8 @@
#error "HOMING_BACKOFF_MM is now HOMING_BACKOFF_POST_MM. Please update Configuration_adv.h."
#elif defined(X_HOME_BUMP_MM) || defined(Y_HOME_BUMP_MM) || defined(Z_HOME_BUMP_MM)
#error "[XYZ]_HOME_BUMP_MM is now HOMING_BUMP_MM. Please update Configuration_adv.h."
#elif defined(DIGIPOT_I2C)
#error "DIGIPOT_I2C is now DIGIPOT_MCP4451 (or DIGIPOT_MCP4018). Please update Configuration_adv.h."
#endif
/**
@ -1587,6 +1589,8 @@ static_assert(Y_MAX_LENGTH >= Y_BED_SIZE, "Movement bounds (Y_MIN_POS, Y_MAX_POS
// Pins are required for heaters
#if ENABLED(HEATER_0_USES_MAX6675) && !PIN_EXISTS(MAX6675_SS)
#error "MAX6675_SS_PIN (required for TEMP_SENSOR_0) not defined for this board."
#elif HOTENDS && !HAS_TEMP_HOTEND
#error "TEMP_0_PIN (required for TEMP_SENSOR_0) not defined for this board."
#elif (HOTENDS > 1 || ENABLED(HEATERS_PARALLEL)) && !HAS_HEATER_1
#error "HEATER_1_PIN not defined for this board."
#endif
@ -2443,10 +2447,12 @@ static_assert(Y_MAX_LENGTH >= Y_BED_SIZE, "Movement bounds (Y_MIN_POS, Y_MAX_POS
/**
* Digipot requirement
*/
#if ENABLED(DIGIPOT_MCP4018)
#if !defined(DIGIPOTS_I2C_SDA_X) || !defined(DIGIPOTS_I2C_SDA_Y) || !defined(DIGIPOTS_I2C_SDA_Z) \
#if HAS_I2C_DIGIPOT
#if BOTH(DIGIPOT_MCP4018, DIGIPOT_MCP4451)
#error "Enable only one of DIGIPOT_MCP4018 or DIGIPOT_MCP4451."
#elif !defined(DIGIPOTS_I2C_SDA_X) || !defined(DIGIPOTS_I2C_SDA_Y) || !defined(DIGIPOTS_I2C_SDA_Z) \
|| !defined(DIGIPOTS_I2C_SDA_E0) || !defined(DIGIPOTS_I2C_SDA_E1)
#error "DIGIPOT_MCP4018 requires DIGIPOTS_I2C_SDA_* pins to be defined."
#error "DIGIPOT_MCP4018/4451 requires DIGIPOTS_I2C_SDA_* pins to be defined."
#endif
#endif

2
Marlin/src/lcd/extui/ui_api.cpp
View File

@ -780,7 +780,7 @@ namespace ExtUI {
*/
int16_t mmToWholeSteps(const float mm, const axis_t axis) {
const float steps = mm / planner.steps_to_mm[axis];
return steps > 0 ? ceil(steps) : floor(steps);
return steps > 0 ? CEIL(steps) : FLOOR(steps);
}
#endif

8
buildroot/share/tests/mega2560-tests
View File

@ -127,13 +127,15 @@ exec_test $1 $2 "Azteeg X3 | Mixing Extruder (x5) | Gradient Mix | Cyrillic"
# Test many less common options
#
restore_configs
opt_set MOTHERBOARD BOARD_MEGATRONICS_32
opt_set MOTHERBOARD BOARD_MIGHTYBOARD_REVE
opt_set TEMP_SENSOR_0 -2
opt_set DIGIPOT_I2C_NUM_CHANNELS 5
opt_set LCD_LANGUAGE it
opt_set MIXING_STEPPERS 2
opt_set SERVO_DELAY "{ 300, 300, 300 }"
opt_enable COREYX USE_XMAX_PLUG MIXING_EXTRUDER GRADIENT_MIX \
BABYSTEPPING BABYSTEP_DISPLAY_TOTAL FILAMENT_LCD_DISPLAY \
REPRAP_DISCOUNT_SMART_CONTROLLER MENU_ADDAUTOSTART SDSUPPORT SDCARD_SORT_ALPHA \
REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER MENU_ADDAUTOSTART SDSUPPORT SDCARD_SORT_ALPHA \
ENDSTOP_NOISE_THRESHOLD FAN_SOFT_PWM \
FIX_MOUNTED_PROBE AUTO_BED_LEVELING_LINEAR DEBUG_LEVELING_FEATURE FILAMENT_WIDTH_SENSOR \
Z_SAFE_HOMING SHOW_TEMP_ADC_VALUES HOME_Y_BEFORE_X EMERGENCY_PARSER \
@ -143,7 +145,7 @@ opt_set FAN_MIN_PWM 50
opt_set FAN_KICKSTART_TIME 100
opt_set XY_FREQUENCY_LIMIT 15
opt_add FILWIDTH_PIN 5
exec_test $1 $2 "Megatronics 3.2 | Gradient Mix | Endstop Int. | Home Y > X | FW Retract ..."
exec_test $1 $2 "Mightyboard Rev. E | CoreXY, Gradient Mix | Endstop Int. | Home Y > X | FW Retract ..."
######## Other Standard LCD/Panels ##############
#

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