Function esp_idf_sys::uart_get_hw_flow_ctrl

pub unsafe extern "C" fn uart_get_hw_flow_ctrl(
    uart_num: uart_port_t, 
    flow_ctrl: *mut uart_hw_flowcontrol_t
) -> esp_err_t

@brief Get hardware flow control mode

@param uart_num UART_NUM_0, UART_NUM_1 or UART_NUM_2 @param flow_ctrl Option for different flow control mode.

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