DlnGpioPortGetVal() Function

Syntax

C/C++
 DLN_RESULT DlnGpioPortGetVal(
    HDLN handle,
    uint8_t port,
    uint8_t* values
 );

The DlnGpioPortGetVal() function retrieves current level on the I/O lines from the specified port. This function returns the level on an I/O line regardless of its configuration, whether it is configured as a GPIO input or output or even not connected to the GPIO module at all.

Parameters:

handle
A handle to the DLN-series adapter.
port
A port to get pin values from.
values
A pointer to an unsigned 8-bit integer. This integer will be filled with the pin values after function execution.

Results:

Result Description
DLN_RES_SUCCESS GPIO port values have been successfully retrieved.

This function is defined in the dln_gpio.h file.