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/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2019-07-29 zdzn first version
*/
#ifndef __DRV_I2C_H__
#define __DRV_I2C_H__
#include <rtdevice.h>
#include <rtthread.h>
#include "board.h"
struct raspi_master_config_t
{
rt_uint8_t sdl_pin;
rt_uint8_t scl_pin;
rt_uint8_t sdl_pin_mode;
rt_uint8_t scl_pin_mode;
rt_uint8_t slave_address;
rt_uint32_t bsc_base;
rt_uint16_t clk_div;
};
struct raspi_i2c_bus
{
struct rt_i2c_bus_device device;
struct rt_i2c_msg *msg;
rt_uint32_t msg_cnt;
volatile rt_uint32_t msg_ptr;
volatile rt_uint32_t dptr;
char *device_name;
struct raspi_master_config_t *cfg;
};
int rt_hw_i2c_init(void);
#endif
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