/** * Marlin 3D Printer Firmware * Copyright (C) 2019 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 . * */ #pragma once /** * Arduino library for MicroChip MCP4728 I2C D/A converter. */ #include #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]);