Is there any example about app_uart.c?

[aaronxu]

I can't find it in my SDK. Pls let me know, if there is.:)

[Sébastien Despont]

Hi,

hci_slip.c file located in the app_common folder instanciate and use app_uart.c lib.

Have a look in this file for more information.

Here is the initialization to have a first idea of the implementation:

/** @brief Function for enabling the UART module when the SLIP layer is opened.
 */
static uint32_t slip_uart_open(void)
{
    uint32_t err_code;

    app_uart_comm_params_t comm_params =
    {
        HCI_SLIP_UART_RX_PIN_NUMBER,
        HCI_SLIP_UART_TX_PIN_NUMBER,
        HCI_SLIP_UART_RTS_PIN_NUMBER,
        HCI_SLIP_UART_CTS_PIN_NUMBER,
        HCI_SLIP_UART_MODE,
        false,
        HCI_SLIP_UART_BAUDRATE
    };

    err_code = app_uart_init(&comm_params,
                             NULL,
                             slip_uart_eventhandler,
                             APP_IRQ_PRIORITY_LOW,
                             &m_uart_id);

    if (err_code == NRF_SUCCESS)
    {
        m_current_state = SLIP_READY;
    }

    return err_code;
}