PN_API_IOD_setLedCbf

typedef uint32_t( * PN_API_IOD_setLedCbf) (PN_API_IOD_Handle_t *pnHandle, PN_API_IOD_Led_t led, bool state)

Callback function prototype to request changing of LED states.

This function is called by Profinet stack if a LED need to change its state.

Parameters

[in]	pnHandle	Profinet API Handle.
[in]	led	Port number (currently not used).
[in]	state	Blinking frequency in Hz.

Returns

result of the operation as uint32_t.

Return values

PN_API_OK

Success.

Example

#include "pn_api_iod_bsp.h"
#include "pn_api_iod_callbacks.h"
#include "pn_api_iod_startup.h"
 
//Implement the callback function in the user application
uint32_t PN_APP_IOD_cbSetLed(
   PN_API_IOD_Handle_t *const pnHandle,
   PN_API_IOD_Led_t led, bool state)
{...}
 
PN_API_IOD_Handle_t* pnHandle = NULL;
uint32_t status;
 
pnHandle = PN_API_IOD_new();
 
//Store callback functions implemented by the user application
PN_API_IOD_Callbacks_t callbacks = {
    .setLed = PN_APP_IOD_cbSetLed,
    ...}
 
//Register callback function
status = PN_API_IOD_registerCallbacks(pnHandle, &callbacks);