initialization.c

analog device vdsp dynamic power control tutorial

#include "..\BF561_Regulator.h"

/************************************************************************
 * SETUP FLAGS TO ACCEPT PUSH-BUTTON INPUTS AS INTERRUPTS				*
 ************************************************************************/
void Setup_Flags()
{
   *pFIO0_INEN = 0x01E0;			// PF5-8 input enable
   *pFIO0_EDGE = 0x01E0;			// PF5-8 edge sensitive
   *pFIO0_MASKA_D = 0x0060;			// PF5-6 Interrupt A
   *pFIO0_MASKB_D = 0x0180;			// PF7-8 Interrupt B
   *pFIO2_DIR = 0xFFFF;				// PF32-47 Outputs (LEDs)   
}


/************************************************************************
 * INTERRUPT VECTORS USED												*
 ************************************************************************/
void Setup_Interrupts(void)
{
	*pSICA_IAR5 = 0x17777777;	// Assign 0x1 (IVG8) To PFA Interrupt
	*pSICA_IAR6 = 0x77777772;	// Assign 0x2 (IVG9) To PFB Interrupt
		
	register_handler (ik_ivg8, PFA_HANDLER); // Assigned PFA Handler (IVG8)
	register_handler (ik_ivg9, PFB_HANDLER); // Assigned PFB Handler (IVG9)

    *pSICA_IMASK1 |= 0x00018000;	// Unmask PFA (Bit 15) and PFB (Bit 16) Interrupts
}