Move 'feature' files

Marlin/src/feature/dac/dac_mcp4728.h

@@ -0,0 +1,66 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (C) 2016 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/>.
+ *
+ */
+
+/**
+ * Arduino library for MicroChip MCP4728 I2C D/A converter.
+ */
+
+#ifndef DAC_MCP4728_H
+#define DAC_MCP4728_H
+
+#include "MarlinConfig.h"
+
+#if ENABLED(DAC_STEPPER_CURRENT)
+#include "Wire.h"
+
+#define defaultVDD     DAC_STEPPER_MAX //was 5000 but differs with internal Vref
+#define BASE_ADDR      0x60
+#define RESET          0B00000110
+#define WAKE           0B00001001
+#define UPDATE         0B00001000
+#define MULTIWRITE     0B01000000
+#define SINGLEWRITE    0B01011000
+#define SEQWRITE       0B01010000
+#define VREFWRITE      0B10000000
+#define GAINWRITE      0B11000000
+#define POWERDOWNWRITE 0B10100000
+#define GENERALCALL    0B00000000
+#define GAINWRITE      0B11000000
+
+// This is taken from the original lib, makes it easy to edit if needed
+// DAC_OR_ADDRESS defined in pins_BOARD.h  file
+#define DAC_DEV_ADDRESS (BASE_ADDR | DAC_OR_ADDRESS)
+
+
+void mcp4728_init();
+uint8_t mcp4728_analogWrite(uint8_t channel, uint16_t value);
+uint8_t mcp4728_eepromWrite();
+uint8_t mcp4728_setVref_all(uint8_t value);
+uint8_t mcp4728_setGain_all(uint8_t value);
+uint16_t mcp4728_getValue(uint8_t channel);
+uint8_t mcp4728_fastWrite();
+uint8_t mcp4728_simpleCommand(byte simpleCommand);
+uint8_t mcp4728_getDrvPct(uint8_t channel);
+void mcp4728_setDrvPct(uint8_t pct[XYZE]);
+
+#endif
+#endif // DAC_MCP4728_H