rt-thread/bsp/wch/risc-v/Libraries/ch32_drivers/drv_i2c.h

36 lines
725 B
C

/*
* Copyright (c) 2006-2024, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2024-4-1 IceBear003 the first version
*/
#ifndef __DRV_I2C_H_
#define __DRV_I2C_H_
#include <rtthread.h>
#include <rtdevice.h>
struct i2c_bus_device
{
struct rt_i2c_bus_device parent;
I2C_TypeDef *periph;
};
struct i2c_config
{
rt_uint32_t clock_speed;
uint16_t duty_cycle;
uint16_t own_address;
uint8_t enable_ack;
uint8_t is_7_bit_address;
};
struct i2c_config i2c_default_conf={5000, I2C_Mode_I2C, I2C_DutyCycle_2, 0, I2C_Ack_Disable, I2C_AcknowledgedAddress_7bit};
int rt_hw_i2c_init(struct i2c_config *config);
#endif