Timer.c

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#include "Timer.h"


//*****************************************************************************
//
// Globlal Flags
//
//*****************************************************************************

unsigned char g_ucTimerAexpired = 0;


//*****************************************************************************
//
// Function definitions
//
//*****************************************************************************

void Timer_timerAInit(void)
{
    // Source ACLK, and stop 
    TACTL = TASSEL_1 + MC_0;
    //CCR0 interrupt enabble
    CCTL0 = CCIE; 
    // set coppare value between 0 and 0xffff
    CCR0 =  TIMER_OFFSETVALUE_0x8000;
    // clear flags indicate that the Timer A has not been expeired yet
    g_ucTimerAexpired = 0;
}


void Timer_timerAUpStart(void)
{
    // UP mode: the timer counts up to TACCR0
    TACTL |= MC_1;
}


void Timer_timerAStop(void)
{
    TACTL |= MC_0;
}


void Timer_timerAReset(void)
{
    // reset timer A, This rests TAR,, the clock divider and the count direction
    TACTL |= TACLR;
}