libpynq (release 5EWC0-2023 version 0.2.2 of 2023-09-24 22:22)
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i2cps.h
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1/******************************************************************************
2 * Copyright (c) 2016, Xilinx, Inc.
3 * All rights reserved.
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9 * this list of conditions and the following disclaimer.
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33/*****************************************************************************/
52#ifndef __I2CPS_H__
53#define __I2CPS_H__
54
55#include <linux/i2c-dev.h>
56
57int setI2C(unsigned int index, long slave_addr);
58int unsetI2C(int i2c_fd);
59int writeI2C_asFile(int i2c_fd, unsigned char writebuffer[],
60 unsigned char bytes);
61int readI2C_asFile(int i2c_fd, unsigned char readbuffer[], unsigned char bytes);
62
63#define writeI2C_byte(i2c_fd, u8RegAddr, u8Data) \
64 i2c_smbus_write_byte_data(i2c_fd, u8RegAddr, u8Data);
65
66#define writeI2C_word(i2c_fd, u8RegAddr, u16Data) \
67 i2c_smbus_write_word_data(i2c_fd, u8RegAddr, u16Data);
68
69#endif // __I2CPS_H__
int setI2C(unsigned int index, long slave_addr)
Definition i2cps.c:60
int writeI2C_asFile(int i2c_fd, unsigned char writebuffer[], unsigned char bytes)
Definition i2cps.c:79
int unsetI2C(int i2c_fd)
Definition i2cps.c:74
int readI2C_asFile(int i2c_fd, unsigned char readbuffer[], unsigned char bytes)
Definition i2cps.c:88