1.25.22.11 SMC_CallbackRegister Function

C

void SMC_CallbackRegister( SMC_CALLBACK callback, uintptr_t context )

Summary

Sets the pointer to the function (and it's context) to be called when the given SMC's interrupt occurred.

Description

This function sets the pointer to a client function to be called "back" when the given SMC's interrupt occurred. It also passes a context value (usually a pointer to a context structure) that is passed into the function when it is called. This function is available only in interrupt mode of operation.

Precondition

SMC_Initialize must have been called for the associated SMC instance.

Parameters

Param Description
callback A pointer to a function with a calling signature defined by theSMC_CALLBACK data type
context A value (usually a pointer) passed (unused) into the functionidentified by the callback parameter

Returns

None.

Example

void smcCallback( uintptr_t context, uint32_t interruptStatus )
{
}

SMC_CallbackRegister(smcCallback, (uintptr_t)NULL);

Remarks

The context parameter is ignored if the pointer passed is NULL. To disable the callback function, pass a NULL for the callback parameter. See the SMC_CALLBACK type definition for additional information.