💥 Update Motor Current G-codes for extra axes (#23975)

Marlin/src/feature/dac/stepper_dac.cpp

@@ -59,7 +59,7 @@ int StepperDAC::init() {
 }
 
 void StepperDAC::set_current_value(const uint8_t channel, uint16_t val) {
-  if (!dac_present) return;
+  if (!(dac_present && channel < LOGICAL_AXES)) return;
 
   NOMORE(val, uint16_t(DAC_STEPPER_MAX));
 
@@ -84,13 +84,11 @@ void StepperDAC::print_values() {
   if (!dac_present) return;
   SERIAL_ECHO_MSG("Stepper current values in % (Amps):");
   SERIAL_ECHO_START();
-  SERIAL_ECHOPGM_P(SP_X_LBL, dac_perc(X_AXIS), PSTR(" ("), dac_amps(X_AXIS), PSTR(")"));
+  LOOP_LOGICAL_AXES(a) {
-  #if HAS_Y_AXIS
+    SERIAL_CHAR(' ', IAXIS_CHAR(a), ':');
-    SERIAL_ECHOPGM_P(SP_Y_LBL, dac_perc(Y_AXIS), PSTR(" ("), dac_amps(Y_AXIS), PSTR(")"));
+    SERIAL_ECHO(dac_perc(a));
-  #endif
+    SERIAL_ECHOPGM_P(PSTR(" ("), dac_amps(AxisEnum(a)), PSTR(")"));
-  #if HAS_Z_AXIS
+  }
-    SERIAL_ECHOPGM_P(SP_Z_LBL, dac_perc(Z_AXIS), PSTR(" ("), dac_amps(Z_AXIS), PSTR(")"));
-  #endif
   #if HAS_EXTRUDERS
     SERIAL_ECHOLNPGM_P(SP_E_LBL, dac_perc(E_AXIS), PSTR(" ("), dac_amps(E_AXIS), PSTR(")"));
   #endif

Marlin/src/gcode/calibrate/G34.cpp

@@ -79,7 +79,7 @@ void GcodeSuite::G34() {
     stepper.set_digipot_current(Z_AXIS, target_current);
   #elif HAS_MOTOR_CURRENT_PWM
     const uint16_t target_current = parser.intval('S', GANTRY_CALIBRATION_CURRENT);
-    const uint32_t previous_current = stepper.motor_current_setting[Z_AXIS];
+    const uint32_t previous_current = stepper.motor_current_setting[1]; // Z
     stepper.set_digipot_current(1, target_current);
   #elif HAS_MOTOR_CURRENT_DAC
     const float target_current = parser.floatval('S', GANTRY_CALIBRATION_CURRENT);

Marlin/src/gcode/feature/digipot/M907-M910.cpp

@@ -40,8 +40,10 @@
 
 /**
  * M907: Set digital trimpot motor current using axis codes X [Y] [Z] [I] [J] [K] [E]
- *   B<current> - Special case for 4th (E) axis
+ *   B<current> - Special case for E1 (Requires DIGIPOTSS_PIN or DIGIPOT_MCP4018 or DIGIPOT_MCP4451)
- *   S<current> - Special case to set first 3 axes
+ *   C<current> - Special case for E2 (Requires DIGIPOTSS_PIN or DIGIPOT_MCP4018 or DIGIPOT_MCP4451)
+ *   S<current> - Set current in mA for all axes (Requires DIGIPOTSS_PIN or DIGIPOT_MCP4018 or DIGIPOT_MCP4451), or
+ *                Set percentage of max current for all axes (Requires HAS_DIGIPOT_DAC)
  */
 void GcodeSuite::M907() {
   #if HAS_MOTOR_CURRENT_SPI
@@ -49,14 +51,27 @@ void GcodeSuite::M907() {
     if (!parser.seen("BS" LOGICAL_AXES_STRING))
       return M907_report();
 
-    LOOP_LOGICAL_AXES(i) if (parser.seenval(IAXIS_CHAR(i))) stepper.set_digipot_current(i, parser.value_int());
+    if (parser.seenval('S')) LOOP_L_N(i, MOTOR_CURRENT_COUNT) stepper.set_digipot_current(i, parser.value_int());
-    if (parser.seenval('B')) stepper.set_digipot_current(4, parser.value_int());
+    LOOP_LOGICAL_AXES(i) if (parser.seenval(IAXIS_CHAR(i))) stepper.set_digipot_current(i, parser.value_int());    // X Y Z (I J K) E (map to drivers according to DIGIPOT_CHANNELS. Default with NUM_AXES 3: map X Y Z E to X Y Z E0)
-    if (parser.seenval('S')) LOOP_LE_N(i, 4) stepper.set_digipot_current(i, parser.value_int());
+    // Additional extruders use B,C.
+    // TODO: Change these parameters because 'E' is used and D should be reserved for debugging. B<index>?
+    #if E_STEPPERS >= 2
+      if (parser.seenval('B')) stepper.set_digipot_current(E_AXIS + 1, parser.value_int());
+      #if E_STEPPERS >= 3
+        if (parser.seenval('C')) stepper.set_digipot_current(E_AXIS + 2, parser.value_int());
+      #endif
+    #endif
 
   #elif HAS_MOTOR_CURRENT_PWM
 
-    if (!parser.seen(
     #if ANY_PIN(MOTOR_CURRENT_PWM_X, MOTOR_CURRENT_PWM_Y, MOTOR_CURRENT_PWM_XY, MOTOR_CURRENT_PWM_I, MOTOR_CURRENT_PWM_J, MOTOR_CURRENT_PWM_K)
+      #define HAS_X_Y_XY_I_J_K 1
+    #endif
+
+    #if HAS_X_Y_XY_I_J_K || ANY_PIN(MOTOR_CURRENT_PWM_E, MOTOR_CURRENT_PWM_Z)
+
+      if (!parser.seen("S"
+        #if HAS_X_Y_XY_I_J_K
           "XY" SECONDARY_AXIS_GANG("I", "J", "K")
         #endif
         #if PIN_EXISTS(MOTOR_CURRENT_PWM_Z)
@@ -67,7 +82,9 @@ void GcodeSuite::M907() {
         #endif
       )) return M907_report();
 
-    #if ANY_PIN(MOTOR_CURRENT_PWM_X, MOTOR_CURRENT_PWM_Y, MOTOR_CURRENT_PWM_XY, MOTOR_CURRENT_PWM_I, MOTOR_CURRENT_PWM_J, MOTOR_CURRENT_PWM_K)
+      if (parser.seenval('S')) LOOP_L_N(a, MOTOR_CURRENT_COUNT) stepper.set_digipot_current(a, parser.value_int());
+
+      #if HAS_X_Y_XY_I_J_K
         if (LINEAR_AXIS_GANG(
                parser.seenval('X'), || parser.seenval('Y'), || false,
             || parser.seenval('I'), || parser.seenval('J'), || parser.seenval('K')
@@ -80,15 +97,18 @@ void GcodeSuite::M907() {
         if (parser.seenval('E')) stepper.set_digipot_current(2, parser.value_int());
       #endif
 
+    #endif
+
   #endif // HAS_MOTOR_CURRENT_PWM
 
   #if HAS_MOTOR_CURRENT_I2C
     // this one uses actual amps in floating point
-    LOOP_LOGICAL_AXES(i) if (parser.seenval(IAXIS_CHAR(i))) digipot_i2c.set_current(i, parser.value_float());
+    if (parser.seenval('S')) LOOP_L_N(q, DIGIPOT_I2C_NUM_CHANNELS) digipot_i2c.set_current(q, parser.value_float());
-    // Additional extruders use B,C,D for channels 4,5,6.
+      LOOP_LOGICAL_AXES(i) if (parser.seenval(IAXIS_CHAR(i))) digipot_i2c.set_current(i, parser.value_float());      // X Y Z (I J K) E (map to drivers according to pots adresses. Default with NUM_AXES 3 X Y Z E: map to X Y Z E0)
-    // TODO: Change these parameters because 'E' is used. B<index>?
+    // Additional extruders use B,C,D.
-    #if HAS_EXTRUDERS
+    // TODO: Change these parameters because 'E' is used and because 'D' should be reserved for debugging. B<index>?
-      for (uint8_t i = E_AXIS + 1; i < DIGIPOT_I2C_NUM_CHANNELS; i++)
+    #if E_STEPPERS >= 2
+      for (uint8_t i = E_AXIS + 1; i < _MAX(DIGIPOT_I2C_NUM_CHANNELS, (NUM_AXES + 3)); i++)
         if (parser.seenval('B' + i - (E_AXIS + 1))) digipot_i2c.set_current(i, parser.value_float());
     #endif
   #endif
@@ -96,9 +116,9 @@ void GcodeSuite::M907() {
   #if HAS_MOTOR_CURRENT_DAC
     if (parser.seenval('S')) {
       const float dac_percent = parser.value_float();
-      LOOP_LE_N(i, 4) stepper_dac.set_current_percent(i, dac_percent);
+      LOOP_LOGICAL_AXES(i) stepper_dac.set_current_percent(i, dac_percent);
     }
-    LOOP_LOGICAL_AXES(i) if (parser.seenval(IAXIS_CHAR(i))) stepper_dac.set_current_percent(i, parser.value_float());
+    LOOP_LOGICAL_AXES(i) if (parser.seenval(IAXIS_CHAR(i))) stepper_dac.set_current_percent(i, parser.value_float());   // X Y Z (I J K) E (map to drivers according to DAC_STEPPER_ORDER. Default with NUM_AXES 3: X Y Z E map to X Y Z E0)
   #endif
 }
 
@@ -118,8 +138,14 @@ void GcodeSuite::M907() {
         SERIAL_CHAR(' ', IAXIS_CHAR(q));
         SERIAL_ECHO(stepper.motor_current_setting[q]);
       }
-      SERIAL_CHAR(' ', 'B');                                  // B (maps to E1 by default)
+      #if E_STEPPERS >= 2
-      SERIAL_ECHOLN(stepper.motor_current_setting[4]);
+        SERIAL_ECHOPGM_P(PSTR(" B"), stepper.motor_current_setting[E_AXIS + 1]  // B (maps to E1 with NUM_AXES 3 according to DIGIPOT_CHANNELS)
+          #if E_STEPPERS >= 3
+            , PSTR(" C"), stepper.motor_current_setting[E_AXIS + 2]             // C (mapping to E2 must be defined by DIGIPOT_CHANNELS)
+          #endif
+        );
+      #endif
+      SERIAL_EOL();
     #endif
   }
 

Marlin/src/gcode/feature/trinamic/M569.cpp

@@ -187,10 +187,15 @@ void GcodeSuite::M569_report(const bool forReplay/*=true*/) {
   if (TERN0(Z3_HAS_STEALTHCHOP, stepperZ3.get_stored_stealthChop())) { say_M569(forReplay, F("I2 Z"), true); }
   if (TERN0(Z4_HAS_STEALTHCHOP, stepperZ4.get_stored_stealthChop())) { say_M569(forReplay, F("I3 Z"), true); }
 
+  #if HAS_I_AXIS
     if (TERN0(I_HAS_STEALTHCHOP, stepperI.get_stored_stealthChop()))  { say_M569(forReplay, FPSTR(SP_I_STR), true); }
+  #endif
+  #if HAS_J_AXIS
     if (TERN0(J_HAS_STEALTHCHOP, stepperJ.get_stored_stealthChop()))  { say_M569(forReplay, FPSTR(SP_J_STR), true); }
+  #endif
+  #if HAS_K_AXIS
     if (TERN0(K_HAS_STEALTHCHOP, stepperK.get_stored_stealthChop()))  { say_M569(forReplay, FPSTR(SP_K_STR), true); }
-
+  #endif
   if (TERN0(E0_HAS_STEALTHCHOP, stepperE0.get_stored_stealthChop())) { say_M569(forReplay, F("T0 E"), true); }
   if (TERN0(E1_HAS_STEALTHCHOP, stepperE1.get_stored_stealthChop())) { say_M569(forReplay, F("T1 E"), true); }
   if (TERN0(E2_HAS_STEALTHCHOP, stepperE2.get_stored_stealthChop())) { say_M569(forReplay, F("T2 E"), true); }

Marlin/src/module/settings.cpp

@@ -447,7 +447,15 @@ typedef struct SettingsDataStruct {
   // HAS_MOTOR_CURRENT_PWM
   //
   #ifndef MOTOR_CURRENT_COUNT
-    #define MOTOR_CURRENT_COUNT LINEAR_AXES
+    #if HAS_MOTOR_CURRENT_PWM
+      #define MOTOR_CURRENT_COUNT 3
+    #elif HAS_MOTOR_CURRENT_DAC
+      #define MOTOR_CURRENT_COUNT LOGICAL_AXES
+    #elif HAS_MOTOR_CURRENT_I2C
+      #define MOTOR_CURRENT_COUNT DIGIPOT_I2C_NUM_CHANNELS
+    #else // HAS_MOTOR_CURRENT_SPI
+      #define MOTOR_CURRENT_COUNT DISTINCT_AXES
+    #endif
   #endif
   uint32_t motor_current_setting[MOTOR_CURRENT_COUNT];  // M907 X Z E ...
 

Marlin/src/module/stepper.cpp

@@ -3222,7 +3222,7 @@ void Stepper::report_positions() {
     if (!initialized) return;
     LOOP_L_N(i, COUNT(motor_current_setting)) {
       switch (i) {
-        #if ANY_PIN(MOTOR_CURRENT_PWM_XY, MOTOR_CURRENT_PWM_X, MOTOR_CURRENT_PWM_Y)
+        #if ANY_PIN(MOTOR_CURRENT_PWM_XY, MOTOR_CURRENT_PWM_X, MOTOR_CURRENT_PWM_Y, MOTOR_CURRENT_PWM_I, MOTOR_CURRENT_PWM_J, MOTOR_CURRENT_PWM_K, MOTOR_CURRENT_PWM_U, MOTOR_CURRENT_PWM_V, MOTOR_CURRENT_PWM_W)
           case 0:
         #endif
         #if PIN_EXISTS(MOTOR_CURRENT_PWM_Z)
@@ -3270,6 +3270,24 @@ void Stepper::report_positions() {
             #if PIN_EXISTS(MOTOR_CURRENT_PWM_XY)
               _WRITE_CURRENT_PWM(XY);
             #endif
+            #if PIN_EXISTS(MOTOR_CURRENT_PWM_I)
+              _WRITE_CURRENT_PWM(I);
+            #endif
+            #if PIN_EXISTS(MOTOR_CURRENT_PWM_J)
+              _WRITE_CURRENT_PWM(J);
+            #endif
+            #if PIN_EXISTS(MOTOR_CURRENT_PWM_K)
+              _WRITE_CURRENT_PWM(K);
+            #endif
+            #if PIN_EXISTS(MOTOR_CURRENT_PWM_U)
+              _WRITE_CURRENT_PWM(U);
+            #endif
+            #if PIN_EXISTS(MOTOR_CURRENT_PWM_V)
+              _WRITE_CURRENT_PWM(V);
+            #endif
+            #if PIN_EXISTS(MOTOR_CURRENT_PWM_W)
+              _WRITE_CURRENT_PWM(W);
+            #endif
             break;
           case 1:
             #if PIN_EXISTS(MOTOR_CURRENT_PWM_Z)
@@ -3319,6 +3337,24 @@ void Stepper::report_positions() {
         #if PIN_EXISTS(MOTOR_CURRENT_PWM_XY)
           INIT_CURRENT_PWM(XY);
         #endif
+        #if PIN_EXISTS(MOTOR_CURRENT_PWM_I)
+          INIT_CURRENT_PWM(I);
+        #endif
+        #if PIN_EXISTS(MOTOR_CURRENT_PWM_J)
+          INIT_CURRENT_PWM(J);
+        #endif
+        #if PIN_EXISTS(MOTOR_CURRENT_PWM_K)
+          INIT_CURRENT_PWM(K);
+        #endif
+        #if PIN_EXISTS(MOTOR_CURRENT_PWM_U)
+          INIT_CURRENT_PWM(U);
+        #endif
+        #if PIN_EXISTS(MOTOR_CURRENT_PWM_V)
+          INIT_CURRENT_PWM(V);
+        #endif
+        #if PIN_EXISTS(MOTOR_CURRENT_PWM_W)
+          INIT_CURRENT_PWM(W);
+        #endif
         #if PIN_EXISTS(MOTOR_CURRENT_PWM_Z)
           INIT_CURRENT_PWM(Z);
         #endif

Marlin/src/module/stepper.h

@@ -318,7 +318,7 @@ class Stepper {
         #ifndef MOTOR_CURRENT_PWM_FREQUENCY
           #define MOTOR_CURRENT_PWM_FREQUENCY 31400
         #endif
-        #define MOTOR_CURRENT_COUNT LINEAR_AXES
+        #define MOTOR_CURRENT_COUNT 3
       #elif HAS_MOTOR_CURRENT_SPI
         static constexpr uint32_t digipot_count[] = DIGIPOT_MOTOR_CURRENT;
         #define MOTOR_CURRENT_COUNT COUNT(Stepper::digipot_count)