void Setup1msTimer(void)
{
//Start timer in continuous mode sourced by SMCLK
//Timer_A_initContinuousModeParam initUpParam = {0};
Timer_A_initUpModeParam initUpParam = {0};
initUpParam.clockSource = TIMER_A_CLOCKSOURCE_SMCLK;
initUpParam.clockSourceDivider = TIMER_A_CLOCKSOURCE_DIVIDER_1;
initUpParam.timerInterruptEnable_TAIE =
TIMER_A_TAIE_INTERRUPT_DISABLE;
initUpParam.timerClear = TIMER_A_DO_CLEAR;
initUpParam.startTimer = false;
Timer_A_initUpMode(TIMER_A1_BASE, &initUpParam);
//Initiaze compare mode
Timer_A_clearCaptureCompareInterrupt(TIMER_A1_BASE,
TIMER_A_CAPTURECOMPARE_REGISTER_0);
Timer_A_initCompareModeParam initCompParam = {0};
initCompParam.compareRegister = TIMER_A_CAPTURECOMPARE_REGISTER_0;
initCompParam.compareInterruptEnable =
TIMER_A_CAPTURECOMPARE_INTERRUPT_ENABLE;
initCompParam.compareOutputMode = TIMER_A_OUTPUTMODE_OUTBITVALUE;
initCompParam.compareValue = UCS_getSMCLK()/1e3;
Timer_A_initCompareMode(TIMER_A1_BASE, &initCompParam);
Timer_A_startCounter(TIMER_A1_BASE,TIMER_A_UP_MODE);
}
//this interrupt is triggered once each second and prints result from ADC conversion and clears interrupt flag
void timer_A_ISR(){ //Timers_A_ISR runs at 1 Hz
//Turn light to signal timer interrupt is working
MAP_GPIO_setOutputHighOnPin(GPIO_PORT_P1, GPIO_PIN0);
MAP_GPIO_setOutputHighOnPin(GPIO_PORT_P2, GPIO_PIN0);
Timer_A_clearCaptureCompareInterrupt(TIMER_A0_MODULE,TIMER_A_CAPTURECOMPARE_REGISTER_0);
printf("%f \n",(ADC_result/1023.0)*3.3*100.0);//(float)ADC_result);// also try 100.0 as a fix!!! (ADC_result/1023.0)*198.0); // 150F/2.5V = 60F per V. Thus, 150+(3.3-2.5)*60 = 198
// This conversion is necessary because 0-2.5 V corresponds to 0-150F
// On the microncontroller, 0-3.3 V corresponds to 0-1023 binary
// And the result of the ADC is a binary value
//Turn off LED's
MAP_GPIO_setOutputLowOnPin(GPIO_PORT_P1, GPIO_PIN0);
MAP_GPIO_setOutputLowOnPin(GPIO_PORT_P2, GPIO_PIN0);
}