void NgatNgoai(){
CLEAR_INTERRUPT(INT_EXT); //Xoa co ngat
DISABLE_INTERRUPTS(GLOBAL); //vo hieu hoa ngat toan cuc
//Xu ly chuong trinh ngat
delay_ms(20);
if (INPUT(PIN_B0) == 0){
PORTE = ~PORTE; //Dao trang thai PORT E
}
ENABLE_INTERRUPTS(GLOBAL); //Cho phep ngat toan cuc
}
void Ngat_Timer0(){
SET_TIMER0(100);
//Xu ly chuong trinh ngat
++count; //Tang gia tri bien dem
if (count == 1000){
CLEAR_INTERRUPT(INT_TIMER0); //Xoa co ngat
DISABLE_INTERRUPTS(GLOBAL); //vo hieu hoa ngat toan cuc
count = 0;
PORTE = ~PORTE;
ENABLE_INTERRUPTS(GLOBAL); //Cho phep ngat toan cuc
}
}
void Ngat_Timer0(){
SET_TIMER0(100);
//Xu ly chuong trinh ngat
count++; //Tang gia tri bien dem
if (count == sleep){
CLEAR_INTERRUPT(INT_TIMER0); //Xoa co ngat
DISABLE_INTERRUPTS(GLOBAL); //vo hieu hoa ngat toan cuc
count = 0;
dem++; //Tang gia tri cua bien dem len
ENABLE_INTERRUPTS(GLOBAL); //Cho phep ngat toan cuc
}
}
extern "C" void __ISR(_TIMER_2_VECTOR, ipl7) handlesTimer2Ints(void)
#endif
{
TIMER_RESET;
uint8_t irdata = (uint8_t)digitalRead(irparams.recvpin);
irparams.timer++; // One more 50us tick
if (irparams.rawlen >= RAWBUF) {
// Buffer overflow
irparams.rcvstate = STATE_STOP;
}
switch(irparams.rcvstate) {
case STATE_IDLE: // In the middle of a gap
if (irdata == MARK) {
if (irparams.timer < GAP_TICKS) {
// Not big enough to be a gap.
irparams.timer = 0;
}
else {
// gap just ended, record duration and start recording transmission
irparams.rawlen = 0;
irparams.rawbuf[irparams.rawlen++] = irparams.timer;
irparams.timer = 0;
irparams.rcvstate = STATE_MARK;
}
}
break;
case STATE_MARK: // timing MARK
if (irdata == SPACE) { // MARK ended, record time
irparams.rawbuf[irparams.rawlen++] = irparams.timer;
irparams.timer = 0;
irparams.rcvstate = STATE_SPACE;
}
break;
case STATE_SPACE: // timing SPACE
if (irdata == MARK) { // SPACE just ended, record it
irparams.rawbuf[irparams.rawlen++] = irparams.timer;
irparams.timer = 0;
irparams.rcvstate = STATE_MARK;
}
else { // SPACE
if (irparams.timer > GAP_TICKS) {
// big SPACE, indicates gap between codes
// Mark current code as ready for processing
// Switch to STOP
// Don't reset timer; keep counting space width
irparams.rcvstate = STATE_STOP;
}
}
break;
case STATE_STOP: // waiting, measuring gap
if (irdata == MARK) { // reset gap timer
irparams.timer = 0;
}
break;
}
if (irparams.blinkflag) {
if (irdata == MARK) {
BLINKLED_ON(); // turn pin 13 LED on
}
else {
BLINKLED_OFF(); // turn pin 13 LED off
}
}
CLEAR_INTERRUPT();
} // end ISR
