1 files changed, 102 insertions, 0 deletions
diff --git a/Marlin/src/gcode/feature/digipot/M907-M910.cpp b/Marlin/src/gcode/feature/digipot/M907-M910.cpp
new file mode 100644
index 0000000..e463666
--- /dev/null
+++ b/Marlin/src/gcode/feature/digipot/M907-M910.cpp
@@ -0,0 +1,102 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "../../../inc/MarlinConfig.h"
+
+#if ANY(HAS_MOTOR_CURRENT_SPI, HAS_MOTOR_CURRENT_PWM, HAS_MOTOR_CURRENT_I2C, HAS_MOTOR_CURRENT_DAC)
+
+#include "../../gcode.h"
+
+#if HAS_MOTOR_CURRENT_SPI || HAS_MOTOR_CURRENT_PWM
+  #include "../../../module/stepper.h"
+#endif
+
+#if HAS_MOTOR_CURRENT_I2C
+  #include "../../../feature/digipot/digipot.h"
+#endif
+
+#if ENABLED(HAS_MOTOR_CURRENT_DAC)
+  #include "../../../feature/dac/stepper_dac.h"
+#endif
+
+/**
+ * M907: Set digital trimpot motor current using axis codes X, Y, Z, E, B, S
+ */
+void GcodeSuite::M907() {
+  #if HAS_MOTOR_CURRENT_SPI
+
+    LOOP_XYZE(i) if (parser.seenval(axis_codes[i])) stepper.set_digipot_current(i, parser.value_int());
+    if (parser.seenval('B')) stepper.set_digipot_current(4, parser.value_int());
+    if (parser.seenval('S')) LOOP_LE_N(i, 4) stepper.set_digipot_current(i, parser.value_int());
+
+  #elif HAS_MOTOR_CURRENT_PWM
+
+    #if ANY_PIN(MOTOR_CURRENT_PWM_X, MOTOR_CURRENT_PWM_Y, MOTOR_CURRENT_PWM_XY)
+      if (parser.seenval('X') || parser.seenval('Y')) stepper.set_digipot_current(0, parser.value_int());
+    #endif
+    #if PIN_EXISTS(MOTOR_CURRENT_PWM_Z)
+      if (parser.seenval('Z')) stepper.set_digipot_current(1, parser.value_int());
+    #endif
+    #if PIN_EXISTS(MOTOR_CURRENT_PWM_E)
+      if (parser.seenval('E')) stepper.set_digipot_current(2, parser.value_int());
+    #endif
+
+  #endif
+
+  #if HAS_MOTOR_CURRENT_I2C
+    // 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.
+    // TODO: Change these parameters because 'E' is used. B<index>?
+    for (uint8_t i = E_AXIS + 1; i < DIGIPOT_I2C_NUM_CHANNELS; i++)
+      if (parser.seenval('B' + i - (E_AXIS + 1))) digipot_i2c.set_current(i, parser.value_float());
+  #endif
+
+  #if ENABLED(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_XYZE(i) if (parser.seenval(axis_codes[i])) stepper_dac.set_current_percent(i, parser.value_float());
+  #endif
+}
+
+#if EITHER(HAS_MOTOR_CURRENT_SPI, HAS_MOTOR_CURRENT_DAC)
+
+  /**
+   * M908: Control digital trimpot directly (M908 P<pin> S<current>)
+   */
+  void GcodeSuite::M908() {
+    TERN_(HAS_MOTOR_CURRENT_SPI, stepper.set_digipot_value_spi(parser.intval('P'), parser.intval('S')));
+    TERN_(HAS_MOTOR_CURRENT_DAC, stepper_dac.set_current_value(parser.byteval('P', -1), parser.ushortval('S', 0)));
+  }
+
+  #if ENABLED(HAS_MOTOR_CURRENT_DAC)
+
+    void GcodeSuite::M909() { stepper_dac.print_values(); }
+    void GcodeSuite::M910() { stepper_dac.commit_eeprom(); }
+
+  #endif // HAS_MOTOR_CURRENT_DAC
+
+#endif // HAS_MOTOR_CURRENT_SPI || HAS_MOTOR_CURRENT_DAC
+
+#endif // HAS_MOTOR_CURRENT_SPI || HAS_MOTOR_CURRENT_PWM || HAS_MOTOR_CURRENT_I2C || HAS_MOTOR_CURRENT_DAC