Change Baud rate to 115200

[Nahom]

when i change the baud rate to 115200 my uart (Rx and TX) are giving me garbage out put.

so what do i need to change in my code(ble_app_uart example) when i have plan to change the baud rate. Do i only need to change the baud rate number ?

static void uart_init(void)
{
    uint32_t                     err_code;
    app_uart_comm_params_t const comm_params =
    {
        .rx_pin_no    = RX_PIN_NUMBER,
        .tx_pin_no    = TX_PIN_NUMBER,
        .rts_pin_no   = RTS_PIN_NUMBER,
        .cts_pin_no   = CTS_PIN_NUMBER,
        .flow_control = APP_UART_FLOW_CONTROL_DISABLED,
        .use_parity   = false,
#if defined (UART_PRESENT)
        .baud_rate    = NRF_UART_BAUDRATE_115200
#else
        .baud_rate    = NRF_UARTE_BAUDRATE_115200
#endif
    };

    APP_UART_FIFO_INIT(&comm_params,
                       UART_RX_BUF_SIZE,
                       UART_TX_BUF_SIZE,
                       uart_event_handle,
                       APP_IRQ_PRIORITY_LOWEST,
                       err_code);
    APP_ERROR_CHECK(err_code);

}

[Amanda Hsieh]

Hi, 

Not sure I understand the question correctly or not. 

Are you using the nRF5 SDK v15.3.0: UART/Serial Port Emulation over BLE example? What did you modify?

The default baud rate is 115200. 

-Amanda H.

[awneil]

Junk characters like that usually indicate wrong baud rate.

Are you sure your terminal is correctly configured?

How are you connecting to the terminal?

Have you used, eg, an oscilloscope to verify the baud rate?

Have you tried one of the Nordic examples which defaults to 115200?

What hardware platform are you using?