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6843b78f99
The PrintrBoard Rev F utilizes a mcp4728 DAC to set motor current. Printrbot's implementation utilizes 2 new M-codes to set and write the DAC settings to the DAC EEPROM: `M909` (Read DAC) and `M910` (Write DAC). `M907` is re-used to set value, `M908` for direct control. The Pins file for the RevF board is included.
45 lines
1.1 KiB
C
45 lines
1.1 KiB
C
/**
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Arduino library for MicroChip MCP4728 I2C D/A converter.
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*/
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#ifndef mcp4728_h
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#define mcp4728_h
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#include "Configuration.h"
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#include "Configuration_adv.h"
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#if ENABLED(DAC_STEPPER_CURRENT)
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#include "WProgram.h"
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#include "Wire.h"
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//#include <Wire.h>
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#define defaultVDD 5000
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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 0B0000000
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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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#define DAC_DEV_ADDRESS (BASE_ADDR | 0x00)
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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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#endif
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#endif
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