#ifndef I2C_MASTER_H_ #define I2C_MASTER_H_ #include "driver/i2c_master.h" #define I2C_BUS_SPEED_HZ 100000 /*!< I2C master clock frequency */ esp_err_t i2c_bitaxe_init(void); esp_err_t i2c_bitaxe_add_device(uint8_t device_address, i2c_master_dev_handle_t * dev_handle, const char *device_tag); esp_err_t i2c_bitaxe_get_master_bus_handle(i2c_master_bus_handle_t * dev_handle); esp_err_t i2c_bitaxe_register_read(i2c_master_dev_handle_t dev_handle, uint8_t reg_addr, uint8_t * read_buf, size_t len); esp_err_t i2c_bitaxe_register_write_byte(i2c_master_dev_handle_t dev_handle, uint8_t reg_addr, uint8_t data); esp_err_t i2c_bitaxe_register_write_bytes(i2c_master_dev_handle_t dev_handle, uint8_t * data, uint8_t len); esp_err_t i2c_bitaxe_register_write_word(i2c_master_dev_handle_t dev_handle, uint8_t reg_addr, uint16_t data); #endif /* I2C_MASTER_H_ */