rt-thread-official/bsp/gd32/arm/libraries/gd32_drivers/drv_soft_i2c.h

79 lines
1.9 KiB
C

/*
* Copyright (c) 2006-2022, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2021-12-20 BruceOu the first version
*/
#ifndef __DRV_I2C__
#define __DRV_I2C__
#include <rtthread.h>
#include <rthw.h>
#include <rtdevice.h>
#include <board.h>
#ifdef __cplusplus
extern "C" {
#endif
/* gd32 config class */
struct gd32_soft_i2c_config
{
rt_uint8_t scl;
rt_uint8_t sda;
const char *bus_name;
};
/* gd32 i2c dirver class */
struct gd32_i2c
{
struct rt_i2c_bit_ops ops;
struct rt_i2c_bus_device i2c2_bus;
};
#ifdef BSP_USING_I2C0
#define I2C0_BUS_CONFIG \
{ \
.scl = BSP_I2C0_SCL_PIN, \
.sda = BSP_I2C0_SDA_PIN, \
.bus_name = "i2c0", \
}
#endif
#ifdef BSP_USING_I2C1
#define I2C1_BUS_CONFIG \
{ \
.scl = BSP_I2C1_SCL_PIN, \
.sda = BSP_I2C1_SDA_PIN, \
.bus_name = "i2c1", \
}
#endif
#ifdef BSP_USING_I2C2
#define I2C2_BUS_CONFIG \
{ \
.scl = BSP_I2C2_SCL_PIN, \
.sda = BSP_I2C2_SDA_PIN, \
.bus_name = "i2c2", \
}
#endif
#ifdef BSP_USING_I2C3
#define I2C3_BUS_CONFIG \
{ \
.scl = BSP_I2C3_SCL_PIN, \
.sda = BSP_I2C3_SDA_PIN, \
.bus_name = "i2c3", \
}
#endif
#ifdef __cplusplus
}
#endif
#endif /* __DRV_I2C__ */