Marlin_Firmware/Marlin/dac_mcp4728.h
2017-06-09 20:21:28 -07:00

67 lines
2.1 KiB
C

/**
* 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