/* Init the ADC Interrupt Callback function. 
param of pfnCallback */
void xADCIntCallbackInit(unsigned long ulBase, xtEventCallback pfnCallback)
/* Init the ADC Interrupt Callback function. 
param of pfnCallback */
void xADCIntCallbackInit(unsigned long ulBase, xtEventCallback pfnCallback)
{
    xASSERT(ulBase == xADC0_BASE);
    g_pfnADCHandlerCallbacks[0] = pfnCallback;
}