pub unsafe extern "C" fn i2c_get_data_mode(
    i2c_num: i2c_port_t,
    tx_trans_mode: *mut i2c_trans_mode_t,
    rx_trans_mode: *mut i2c_trans_mode_t
) -> esp_err_t
Expand description

@brief get I2C data transfer mode

@param i2c_num I2C port number @param tx_trans_mode pointer to get I2C sending data mode @param rx_trans_mode pointer to get I2C receiving data mode

@return - ESP_OK Success - ESP_ERR_INVALID_ARG Parameter error