void RCSwitch::handleInterrupt() {
static unsigned int duration;
static unsigned int changeCount;
static unsigned long lastTime;
static unsigned int repeatCount;
long time = micros();
duration = time - lastTime;
if (duration > RCSwitch::nSeparationLimit && diff(duration, RCSwitch::timings[0]) < 200) {
repeatCount++;
changeCount--;
if (repeatCount == 2) {
if (receiveProtocol(1, changeCount) == false) {
if (receiveProtocol(2, changeCount) == false) {
if (receiveProtocol(3, changeCount) == false) {
//failed
}
}
}
repeatCount = 0;
}
changeCount = 0;
} else if (duration > RCSwitch::nSeparationLimit) {
changeCount = 0;
}
if (changeCount >= RCSWITCH_MAX_CHANGES) {
changeCount = 0;
repeatCount = 0;
}
RCSwitch::timings[changeCount++] = duration;
lastTime = time;
}
void RECEIVE_ATTR RCSwitch::handleInterrupt() {
static unsigned int changeCount = 0;
static unsigned long lastTime = 0;
static unsigned int repeatCount = 0;
const long time = micros();
const unsigned int duration = time - lastTime;
if (duration > RCSwitch::nSeparationLimit) {
// A long stretch without signal level change occurred. This could
// be the gap between two transmission.
if (diff(duration, RCSwitch::timings[0]) < 200) {
// This long signal is close in length to the long signal which
// started the previously recorded timings; this suggests that
// it may indeed by a a gap between two transmissions (we assume
// here that a sender will send the signal multiple times,
// with roughly the same gap between them).
repeatCount++;
if (repeatCount == 2) {
for(unsigned int i = 1; i <= numProto; i++) {
if (receiveProtocol(i, changeCount)) {
// receive succeeded for protocol i
break;
}
}
repeatCount = 0;
}
}
changeCount = 0;
}
// detect overflow
if (changeCount >= RCSWITCH_MAX_CHANGES) {
changeCount = 0;
repeatCount = 0;
}
RCSwitch::timings[changeCount++] = duration;
lastTime = time;
}
