int main(void)
{
SYSTEMConfigPerformance(10000000);
initTimer1();
initSW2();
initLEDs();
enableInterrupts();
state = led1;
while(1)
{
//TODO: Using a finite-state machine, define the behavior of the LEDs
//Debounce the switch
switch(state) {
case led1:
turnOnLED(1);
stateNext = led2;
break;
case led2:
turnOnLED(2);
stateNext = led1;
break;
case deBounce1:
delayUs(10000);
break;
case deBounce2:
delayUs(10000);
break;
}
}
return 0;
}
int main(void)
{
enableInterrupts();
initLEDs();
initSW2();
initTimer2();
updateLEDState();
while(1)
{
switch (currentState)
{
case wait:
if(buttonState==risingEdge)//button is pressed
{
currentState=debouncePress;
buttonState=Idle;
}
// if(IFS1bits.CNDIF==1)
// //if(PORTDbits.RD6==0) //!!! use change notifications, not polling
// {
// currentState=debouncePress;
// }
break;
case debouncePress:
delayUs(50);
currentState=waitForRelease;
break;
case waitForRelease:
//!!! use change notifications, not polling
if(buttonState==fallingEdge)//button released
{
currentState=debounceRelease;
buttonState=Idle;
}
// if(IFS1bits.CNDIF==1)
// //if(PORTDbits.RD6==1)//released
// {
// currentState=debounceRelease;
// }
break;
case debounceRelease:
delayUs(50);
updateLEDState();
currentState=wait;
break;
}
}
return 0;
}
/* Please note that the configuration file has changed from lab 0.
* the oscillator is now of a different frequency.
*/
int main(void)
{
SYSTEMConfigPerformance(40000000);
enableInterrupts();
initLEDs();
initSW2();
state = RUN;
while(1)
{
switch(state)
{
case RUN:
led1 = ON;
led2 = OFF;
lastState = RUN;
break;
case STOP:
led1 = OFF;
led2 = ON;
lastState = STOP;
break;
case debouncePress:
delayMs(5);
if(lastState==RUN)
state = STOP;
else if(lastState==STOP)
state = RUN;
else
state = RUN;
break;
case debounceRelease:
delayMs(5);
state = lastState;
break;
}
}
return 0;
}
int main(void)
{
SYSTEMConfigPerformance(10000000);
enableInterrupts();
initLEDs();
initSW2();
int PrevState=1;
int state=ledrun;
while(1)
{
switch(state){ //LED 1 is on
case ledrun:
LEDRUN=ON;
LEDSTOP=OFF;
PrevState=1;
if(switchFlag==1) //if switch is pressed
{
switchFlag=0;
state=debouncePress;
}
break;
case ledstop: //LED 2 is on
LEDRUN=OFF;
LEDSTOP=ON;
PrevState=2;
if(switchFlag==1) //if switch is pressed
{
switchFlag=0;
state=debouncePress;
}
break;
case debouncePress: //calls delay and moves to wait state
delayMs(50);
state=wait;
break;
case debounceRelease: //calls delay and moves to wait 2 aka logic state
delayMs(50);
state=wait2;
break;
case wait: //waits until switch is released
if(switchFlag==0)
{
state=wait;
}
else
{
switchFlag=0;
state=debounceRelease;
}
break;
case wait2: //uses flag that is triggered if switch is held for longer than
if(PrevState==1)
{
state=ledstop;
}
else if(PrevState==2)
{
state=ledrun;
}
break;
}
}
return 0;
}