DlnUartWrite() Function

The DlnUartWrite() function sends data via UART interface. This function is defined in the dln_uart.h file.

Syntax

C/C++

DLN_RESULT DlnUartWrite(
    HDLN handle, 
    uint8_t port, 
    uint16_t size, 
    uint8_t *buffer
);

Parameters

handle: A handle to the DLN-series adapter.
port: A number of the UART port.
size: The size of the message buffer. This parameter is specified in bytes. The maximum value is DLN_UART_MAX_TRANSFER_SIZE (256 bytes).
buffer: A pointer to an array of unsigned 8-bit integers. This array must be filled with data to be sent during the function execution.

Return Value

DLN_RES_SUCCESS: The operation completed successfully and data has been transmitted.