Initial commit. Unusable Marlin 2.0.5.3 core without any custimization.

2020-06-02 11:44:35 +02:00
commit 987c858ae4
1519 changed files with 1361431 additions and 0 deletions
--- a/Marlin/src/feature/dac/stepper_dac.cpp
+++ b/Marlin/src/feature/dac/stepper_dac.cpp
@@ -0,0 +1,104 @@
+/**
+ * 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 <http://www.gnu.org/licenses/>.
+ *
+ */
+
+/**
+ * stepper_dac.cpp - To set stepper current via DAC
+ */
+
+#include "../../inc/MarlinConfig.h"
+
+#if ENABLED(DAC_STEPPER_CURRENT)
+
+#include "stepper_dac.h"
+
+bool dac_present = false;
+constexpr xyze_uint8_t dac_order = DAC_STEPPER_ORDER;
+xyze_uint8_t dac_channel_pct = DAC_MOTOR_CURRENT_DEFAULT;
+
+int dac_init() {
+  #if PIN_EXISTS(DAC_DISABLE)
+    OUT_WRITE(DAC_DISABLE_PIN, LOW);  // set pin low to enable DAC
+  #endif
+
+  mcp4728_init();
+
+  if (mcp4728_simpleCommand(RESET)) return -1;
+
+  dac_present = true;
+
+  mcp4728_setVref_all(DAC_STEPPER_VREF);
+  mcp4728_setGain_all(DAC_STEPPER_GAIN);
+
+  if (mcp4728_getDrvPct(0) < 1 || mcp4728_getDrvPct(1) < 1 || mcp4728_getDrvPct(2) < 1 || mcp4728_getDrvPct(3) < 1 ) {
+    mcp4728_setDrvPct(dac_channel_pct);
+    mcp4728_eepromWrite();
+  }
+
+  return 0;
+}
+
+void dac_current_percent(uint8_t channel, float val) {
+  if (!dac_present) return;
+
+  NOMORE(val, 100);
+
+  mcp4728_analogWrite(dac_order[channel], val * 0.01 * (DAC_STEPPER_MAX));
+  mcp4728_simpleCommand(UPDATE);
+}
+
+void dac_current_raw(uint8_t channel, uint16_t val) {
+  if (!dac_present) return;
+
+  NOMORE(val, uint16_t(DAC_STEPPER_MAX));
+
+  mcp4728_analogWrite(dac_order[channel], val);
+  mcp4728_simpleCommand(UPDATE);
+}
+
+static float dac_perc(int8_t n) { return 100.0 * mcp4728_getValue(dac_order[n]) * RECIPROCAL(DAC_STEPPER_MAX); }
+static float dac_amps(int8_t n) { return mcp4728_getDrvPct(dac_order[n]) * (DAC_STEPPER_MAX) * 0.125 * RECIPROCAL(DAC_STEPPER_SENSE); }
+
+uint8_t dac_current_get_percent(const AxisEnum axis) { return mcp4728_getDrvPct(dac_order[axis]); }
+void dac_current_set_percents(xyze_uint8_t &pct) {
+  LOOP_XYZE(i) dac_channel_pct[i] = pct[dac_order[i]];
+  mcp4728_setDrvPct(dac_channel_pct);
+}
+
+void dac_print_values() {
+  if (!dac_present) return;
+
+  SERIAL_ECHO_MSG("Stepper current values in % (Amps):");
+  SERIAL_ECHO_START();
+  SERIAL_ECHOLNPAIR_P(
+    SP_X_LBL, dac_perc(X_AXIS), PSTR(" ("), dac_amps(X_AXIS), PSTR(")")
+    SP_Y_LBL, dac_perc(Y_AXIS), PSTR(" ("), dac_amps(Y_AXIS), PSTR(")")
+    SP_Z_LBL, dac_perc(Z_AXIS), PSTR(" ("), dac_amps(Z_AXIS), PSTR(")")
+    SP_E_LBL, dac_perc(E_AXIS), PSTR(" ("), dac_amps(E_AXIS), PSTR(")")
+  );
+}
+
+void dac_commit_eeprom() {
+  if (!dac_present) return;
+  mcp4728_eepromWrite();
+}
+
+#endif // DAC_STEPPER_CURRENT