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##

# 2.80.24 PDECx_COUNTERCallbackRegister Function

## C

    void PDECx_COUNTERCallbackRegister ( PDEC_COUNTER_CALLBACK callback, uintptr_t context ) // x is instance of the peripheral and it is applicable only for devices having multiple instances of the peripheral.

## Summary

Registers the function to be called from interrupt.

## Description

This function registers the callback function to be called from interrupt

## Precondition

PDECx_COUNTERInitialize must have been called first.

## Parameters

Param | Description
--- | ---
callback | Callback function pointer
context | Value provided back to the caller by the callback (usually a pointer to the caller's context for multi-instance clients)

## Returns

None.

## Example

    void PDEC_CallbackFn(PDEC_COUNTER_STATUS status, uintptr_t context)
    {
    }

    PDEC_COUNTERInitialize();
    PDEC_COUNTERCallbackRegister(PDEC_CallbackFn, NULL);

## Remarks

Context value can be set to NULL if not required. To disable callback function, pass NULL for the callback parameter.