implement PWT buzzer driver The piece implemented here is the low-level driver component; there will also be a higher-level buzzer melody player service, to be implemented in RiViera land, that will be the sole caller of PWT API functions provided by the present driver.

/* trivial reconstruction from disassembly */

Application_Initialize()
{
	Init_Target();
	Init_Drivers();
	Cust_Init_Layer1();
	Init_Serial_Flows();
	StartFrame();
	Init_Unmask_IT();
}