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/**
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* Marlin 3D Printer Firmware |
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* Copyright (C) 2016, 2017 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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// 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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#ifndef _DIGIPOT_MCP4451_I2C_ROUTINES_H_ |
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#define _DIGIPOT_MCP4451_I2C_ROUTINES_H_ |
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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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#endif // _DIGIPOT_MCP4451_I2C_ROUTINES_H_
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