The DlnUartDisable() function deactivates corresponding UART port on your DLN-Series adapter.
DlnUartDisable()
This function is defined in the dln_uart.h file.
dln_uart.h
DLN_RESULT DlnUartDisable( HDLN handle, uint8_t port );
A handle to the DLN-series adapter.
A number of the SPI master port to be enabled.
The operation completed successfully and UART port was disabled.