projekty/Source/example1/src/timer.c

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/*
 * $Id: timer.c,v 1 2004/11/23 23:34:00 BorisK Exp $
 *
 * Copyright (C) 2004 ONTRACK s.r.o.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA    
 * 02111-1307, USA.
 *
 * [1] ARM-based Microcontroller LPC2119/2129/2194/2292/9994, "Preliminary User Manual", February 03, 2004
 *
 * Written by Boris Kralik <kralikbo@yahoo.com>, 2004
 *
 */
#include "timer.h"

void StopTimer0(void)
{
        T0_TCR  &=      2;
        #if 1
                printf("\n\rStopTimer0(void)");
        #endif
}
void
StartTimer0(void){
        // Start timer 0
        T0_TCR  |=      (1 << 0);       //Start TIMER0
        #if 1
                printf("\n\rStartTimer0(void)");
        #endif
}

void StopTimer1(void)
{
        T1_TCR  &=      2;
}
void
StartTimer1(void){
        // Start timer 1
        T1_TCR |= (1 << 0);     // Counter enable
        #if 0
                printf("\n\rStartTimer1");
        #endif
}

void 
Timer1RegSet(void)
{
        SCB_PCONP       |=      (1 << 2);       //Zap Timer 1
        // Reset timer 1 */
        T1_TCR = 0x0;   //Disable counter
        // Set the timer 1 prescale counter 
        T1_PR = 2500;   //Prescale counter register
        // Set timer 1 match register 
        T1_MR0 = 1000;  //Match register
        // Generate interrupt and reset counter on match 
        T1_MCR = (0x1 | 0x2) ;  //(3) Interrupt is generated when MR0 matches the value in the TC and will be reset MR0
        // Reset timer 1 */
        T1_TCR = ((1 << 0) | (1 << 1)); //Counter enable and reset
        #if 1
                printf("\n\rTimer1RegSet");
        #endif
}
void 
Timer0RegSet(void)
{
        SCB_PCONP       |=      (1 << 1);       //Zap Timer 1
        T0_TCR = 0x0;   //Disable counter
        // Set the timer 0 prescale counter 
        T0_PR = 2500;   //Prescale counter register
        // Set timer 0 match register 
        T0_MR0 = 1000;  //Match register
        // Generate interrupt and reset counter on match 
        T0_MCR = (0x1 | 0x2);   //(3) Interrupt is generated when MR0 matches the value in the TC and will be reset MR0
        T0_TCR = ((1 << 0) | (1 << 1)); //Counter enable and reset
        #if 0
                printf("\n\rTimer0RegSet");
        #endif
}

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