54 lines
1.5 KiB
C
54 lines
1.5 KiB
C
/**
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* Marlin 3D Printer Firmware
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* Copyright (C) 2019 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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#pragma once
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// adapted from I2C/master/master.c example
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// https://www-users.cs.york.ac.uk/~pcc/MCP/HAPR-Course-web/CMSIS/examples/html/master_8c_source.html
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#define USEDI2CDEV_M 1 // use I2C1 controller
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#if USEDI2CDEV_M == 0
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#define I2CDEV_M LPC_I2C0
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#elif USEDI2CDEV_M == 1
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#define I2CDEV_M LPC_I2C1
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#elif USEDI2CDEV_M == 2
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#define I2CDEV_M LPC_I2C2
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#else
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#error "Master I2C device not defined!"
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <lpc17xx_i2c.h>
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#include <lpc17xx_pinsel.h>
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#include <lpc17xx_libcfg_default.h>
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uint8_t digipot_mcp4451_start(uint8_t sla);
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void digipot_mcp4451_init(void);
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uint8_t digipot_mcp4451_send_byte(uint8_t data);
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#ifdef __cplusplus
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}
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#endif
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