Function esp_idf_sys::uart_get_baudrate

pub unsafe extern "C" fn uart_get_baudrate(
    uart_num: uart_port_t, 
    baudrate: *mut u32
) -> esp_err_t

@brief Get UART baud rate.

@param uart_num UART_NUM_0, UART_NUM_1 or UART_NUM_2 @param baudrate Pointer to accept value of UART baud rate

@return - ESP_FAIL Parameter error - ESP_OK Success, result will be put in (*baudrate)