///Copyright (c) 2022, 四川汇源光通信有限公司 ///All rights reserved. ///@file drv_i2c.h ///@brief drv_i2c驱动程序 /// ///@details ///@note ///@author dufresne ///@date 2025/09/24 /// ///@version v1.0 2025/09/24 初始版本 #ifndef DRV_I2C_H #define DRV_I2C_H #include "gd32f4xx_gpio.h" #include "gd32f4xx_i2c.h" #define I2C_PERIPH I2C0 #define I2C_SCL_PIN GPIO_PIN_6 #define I2C_SDA_PIN GPIO_PIN_7 #define I2C_SPEED 100000 // #define I2C_SCL_HIGH gpio_bit_set(GPIOB, I2C_SCL_PIN) // #define I2C_SCL_LOW gpio_bit_reset(GPIOB, I2C_SCL_PIN) // #define I2C_SDA_HIGH gpio_bit_set(GPIOB, I2C_SDA_PIN) // #define I2C_SDA_LOW gpio_bit_reset(GPIOB, I2C_SDA_PIN) // #define I2C_SDA_GET gpio_input_bit_get(GPIOB, I2C_SDA_PIN) void i2c_init(void); void i2c_gpio_config(void); void i2c_config(void); void temp75_gpio_init(); float tmp75_read_temp(void); #endif