IRQ.c

/******************************************************************************/
/* IRQ.C: IRQ Handler                                                         */
/******************************************************************************/
/* This file is part of the uVision/ARM development tools.                    */
/* Copyright (c) 2005-2006 Keil Software. All rights reserved.                */
/* This software may only be used under the terms of a valid, current,        */
/* end user licence from KEIL for a compatible version of KEIL software       */
/* development tools. Nothing else gives you the right to use this software.  */
/******************************************************************************/

#include <LPC23xx.H>                    /* LPC23xx definitions                */


//short AD_last;                          /* Last converted value               */
//unsigned char clock_1s;                 /* Flag activated each second         */

///* Import function for turning LEDs on or off                                 */
//extern void LED_On (unsigned int num);
//extern void LED_Off(unsigned int num);


///* Timer0 IRQ: Executed periodically                                          */
//__irq void T0_IRQHandler (void) {
//  static int clk_cntr;
//  unsigned int n;
//  unsigned int v;
//	DACR    = 0xFFFF8000;                     /* DAC Output set to Middle Point */
//  clk_cntr++;
//  if (clk_cntr >= 1000) {
//    clk_cntr = 0;
//    clock_1s = 1;                       /* Activate flag every 1 second       */
//  }

//  v = (5*AD_last) >> 9;                 /* Scale the Value                    */
//  for (n = 0; n < 8; n++)               /* Show the Value                     */
//    if (n < v) LED_On (n);              /* Turn LED On                        */
//    else       LED_Off(n);              /* Turn LED Off                       */

//  AD0CR |= 0x01000000;                  /* Start A/D Conversion               */

//  T0IR        = 1;                      /* Clear interrupt flag               */
//  VICVectAddr = 0;                      /* Acknowledge Interrupt              */
//}

///* A/D IRQ: Executed when A/D Conversion is done                              */
//__irq void ADC_IRQHandler(void) {

//  AD_last = (AD0DR0 >> 6) & 0x3FF;      /* Read Conversion Result             */
//	DACR    = 0xFFFF8000;                     /* DAC Output set to Middle Point */
//  VICVectAddr = 0;                      /* Acknowledge Interrupt              */
//}


/* Timer0 ISR */
__irq void T0_IRQHandler (void) {

	PWM1TCR = 0; 																/* Disable PWM Timer Counters and PWM mode */
	T0IR = 0xFF;
	VICVectAddr = 0; 														/* Acknowledge interrupt 									 */
}