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							66 lines
						
					
					
						
							1.9 KiB
						
					
					
				
			
		
		
	
	
							66 lines
						
					
					
						
							1.9 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 mcp4728_h
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#define 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     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    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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#endif
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#endif
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