// runs a test to see if timers are operating correctly
uint32_t intervalTimer_runTest(uint32_t timerNumber)
{
intervalTimer_init(timerNumber); //initialize the timer
intervalTimer_reset(timerNumber); //reset the timer
printf("timer_0 TCR0 should be 0 at this point:%ld\n\r", readTimerRegister(timerNumber, INTERVALTIMER_TCR0_OFFSET)); // Show that the timer is reset.
printf("timer_0 TCR1 should be 0 at this point:%ld\n\r", readTimerRegister(timerNumber, INTERVALTIMER_TCR1_OFFSET)); //reset the TCR1 as well as TCR0
intervalTimer_start(timerNumber); // Show that the timer is running.
printf("The following register values should be changing while reading them.\n\r"); //print statement to the screen
printf("timer_0 TCR0 should be changing at this point:%ld\n\r", readTimerRegister(timerNumber, INTERVALTIMER_TCR0_OFFSET)); //these print the current values of the timer
printf("timer_0 TCR0 should be changing at this point:%ld\n\r", readTimerRegister(timerNumber, INTERVALTIMER_TCR0_OFFSET)); //repeat multiple times to show that change is continuous as time passes
printf("timer_0 TCR0 should be changing at this point:%ld\n\r", readTimerRegister(timerNumber, INTERVALTIMER_TCR0_OFFSET));
printf("timer_0 TCR0 should be changing at this point:%ld\n\r", readTimerRegister(timerNumber, INTERVALTIMER_TCR0_OFFSET));
printf("timer_0 TCR0 should be changing at this point:%ld\n\r", readTimerRegister(timerNumber, INTERVALTIMER_TCR0_OFFSET));
waitALongTime(); // Wait about 2 minutes so that you roll over to TCR1.
printf("timer_0 TCR0 value after wait:%lx\n\r", readTimerRegister(timerNumber, INTERVALTIMER_TCR0_OFFSET));// If you don't see a '1' in TCR1 after this long wait you probably haven't programmed the timer correctly.
printf("timer_0 TCR1 should have changed at this point:%ld\n\r", readTimerRegister(timerNumber, INTERVALTIMER_TCR1_OFFSET));//this shows the time that has passed
}
uint32_t intervalTimer_runTest(uint32_t timerNumber) {
intervalTimer_init(timerNumber);
intervalTimer_reset(timerNumber);
// Show that the timer is reset.
printf("timer %ld TCR0 should be 0 at this point:%ld\n\r", timerNumber , readTimerRegister(INTERVALTIMER_TCR0_ADDRESS, timerNumber));
printf("timer %ld TCR1 should be 0 at this point:%ld\n\r", timerNumber , readTimerRegister(INTERVALTIMER_TCR0_ADDRESS, timerNumber));
// Statements returns false if TCR0 and TCR1 aren't 0
if (readTimerRegister(INTERVALTIMER_TCR0_ADDRESS , timerNumber) !=INTERVALTIMER_INITIALIZE) {
return INTERVALTIMER_VALID_TIMER_FALSE;
}
if (readTimerRegister(INTERVALTIMER_TCR1_ADDRESS , timerNumber) !=INTERVALTIMER_INITIALIZE) {
return INTERVALTIMER_VALID_TIMER_FALSE;
}
intervalTimer_start(timerNumber);
// Show that the timer is running.
// Test points for comparison
u32 TP_One;
u32 TP_Two;
printf("The following register values should be changing while reading them.\n\r");
printf("timer %ld TCR0 should be changing at this point:%ld\n\r", timerNumber , readTimerRegister(INTERVALTIMER_TCR0_ADDRESS, timerNumber));
TP_One = readTimerRegister(INTERVALTIMER_TCR0_ADDRESS , timerNumber);
printf("timer %ld TCR0 should be changing at this point:%ld\n\r", timerNumber , readTimerRegister(INTERVALTIMER_TCR0_ADDRESS, timerNumber));
printf("timer %ld TCR0 should be changing at this point:%ld\n\r", timerNumber , readTimerRegister(INTERVALTIMER_TCR0_ADDRESS, timerNumber));
printf("timer %ld TCR0 should be changing at this point:%ld\n\r", timerNumber , readTimerRegister(INTERVALTIMER_TCR0_ADDRESS, timerNumber));
TP_Two = readTimerRegister(INTERVALTIMER_TCR0_ADDRESS , timerNumber);
printf("timer %ld TCR0 should be changing at this point:%ld\n\r", timerNumber , readTimerRegister(INTERVALTIMER_TCR0_ADDRESS, timerNumber));
// Statement returns false if TCR0 isn't changing
if (TP_One == TP_Two) {
return INTERVALTIMER_VALID_TIMER_FALSE;
}
// Wait about 2 minutes so that you roll over to TCR1.
// If you don't see a '1' in TCR1 after this long wait you probably haven't programmed the timer correctly.
waitALongTime();
printf("timer %ld TCR0 value after wait:%lx\n\r", timerNumber , readTimerRegister(INTERVALTIMER_TCR0_ADDRESS, timerNumber));
printf("timer %ld TCR1 should have changed at this point:%ld\n\r", timerNumber ,readTimerRegister(INTERVALTIMER_TCR1_ADDRESS, timerNumber));
// Statement returns false if TCR1 didn't change
if (readTimerRegister(INTERVALTIMER_TCR1_ADDRESS , timerNumber) == INTERVALTIMER_INITIALIZE) {
return INTERVALTIMER_VALID_TIMER_FALSE;
}
return INTERVALTIMER_VALID_TIMER_TRUE;
}
