1 /* 2 * Copyright (c) 2006-2024 RT-Thread Development Team 3 * 4 * SPDX-License-Identifier: Apache-2.0 5 * 6 * Change Logs: 7 * Date Author Notes 8 * 2024-12-07 wumingzi first version 9 */ 10 #ifndef __DRV_HW_I2C_H__ 11 #define __DRV_HW_I2C_H__ 12 13 #include <rtthread.h> 14 #include <rtdevice.h> 15 #include "sdkconfig.h" 16 17 /* esp32c3 config class */ 18 struct esp32c3_soft_i2c_config 19 { 20 rt_uint8_t scl; 21 rt_uint8_t sda; 22 const char *bus_name; 23 }; 24 25 /* esp32c3 i2c dirver class */ 26 struct esp32c3_i2c 27 { 28 struct rt_i2c_bit_ops ops; 29 struct rt_i2c_bus_device i2c_bus; 30 }; 31 32 int rt_hw_i2c_init(void); 33 34 #endif /* __DRV_HW_I2C_H__ */