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67 lines
2.1 KiB
67 lines
2.1 KiB
/**
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* Marlin 3D Printer Firmware
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* Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
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*
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* Based on Sprinter and grbl.
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* Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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/**
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* Arduino library for MicroChip MCP4728 I2C D/A converter.
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*/
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#ifndef DAC_MCP4728_H
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#define DAC_MCP4728_H
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#include "MarlinConfig.h"
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#if ENABLED(DAC_STEPPER_CURRENT)
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#include "Wire.h"
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#define defaultVDD DAC_STEPPER_MAX //was 5000 but differs with internal Vref
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#define BASE_ADDR 0x60
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#define RESET 0B00000110
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#define WAKE 0B00001001
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#define UPDATE 0B00001000
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#define MULTIWRITE 0B01000000
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#define SINGLEWRITE 0B01011000
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#define SEQWRITE 0B01010000
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#define VREFWRITE 0B10000000
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#define GAINWRITE 0B11000000
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#define POWERDOWNWRITE 0B10100000
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#define GENERALCALL 0B00000000
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#define GAINWRITE 0B11000000
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// This is taken from the original lib, makes it easy to edit if needed
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// DAC_OR_ADDRESS defined in pins_BOARD.h file
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#define DAC_DEV_ADDRESS (BASE_ADDR | DAC_OR_ADDRESS)
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void mcp4728_init();
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uint8_t mcp4728_analogWrite(uint8_t channel, uint16_t value);
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uint8_t mcp4728_eepromWrite();
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uint8_t mcp4728_setVref_all(uint8_t value);
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uint8_t mcp4728_setGain_all(uint8_t value);
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uint16_t mcp4728_getValue(uint8_t channel);
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uint8_t mcp4728_fastWrite();
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uint8_t mcp4728_simpleCommand(byte simpleCommand);
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uint8_t mcp4728_getDrvPct(uint8_t channel);
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void mcp4728_setDrvPct(uint8_t pct[XYZE]);
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#endif
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#endif // DAC_MCP4728_H
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