How to print UART message in "ble_app_uart" project in SDK15.2

[chianglin]

Hi,

Does "ble_app_uart" project can print debug message from "UART" interface? How can I do this job?

PS. My UART Port is at P0.18 (TX) and P0.19(RX).

Thank you,

Chianglin

[chianglin]

Hi Vidar,,

As well know, EVM have a "JLINK CDC UART".

I use EVM to test "ble_app_uart" project and I execute following setting:

    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
    };

When I use "printf" function to out a debug message via UART interface, both "CDC UART" and "UART which use P0.06 for TXD and P0.08 for RXD" will get the same debug message.

Can I print different debug message to these two UART port?

For example, print "ABC" to CDC UART, and print "123" to the other UART port.

Thank you,

Chianglin

[Vidar Berg]

Hi Chianglin,

There's only one UART instance on the 52832. The Jlink chip acts as a UART<->USB bridge when you use P.0.06 and P.0.08