break;
case STATE_READER_RECEIVE_DATA_1_OUT_OF_4:
+ bit = !!bit;
DecodeReader->posCount++;
if (DecodeReader->posCount == 1) {
DecodeReader->sum1 = bit;
}
if (DecodeReader->posCount == 8) {
DecodeReader->posCount = 0;
- int corr10 = DecodeReader->sum1 - DecodeReader->sum2;
- int corr01 = DecodeReader->sum2 - DecodeReader->sum1;
- int corr11 = (DecodeReader->sum1 + DecodeReader->sum2) / 2;
- if (corr01 > corr11 && corr01 > corr10) { // EOF
+ if (DecodeReader->sum1 <= 1 && DecodeReader->sum2 >= 3) { // EOF
LED_B_OFF(); // Finished receiving
DecodeReaderReset(DecodeReader);
if (DecodeReader->byteCount != 0) {
return true;
}
}
- if (corr10 > corr11) { // detected a 2bit position
+ if (DecodeReader->sum1 >= 3 && DecodeReader->sum2 <= 1) { // detected a 2bit position
DecodeReader->shiftReg >>= 2;
DecodeReader->shiftReg |= (DecodeReader->bitCount << 6);
}
break;
case STATE_READER_RECEIVE_DATA_1_OUT_OF_256:
+ bit = !!bit;
DecodeReader->posCount++;
if (DecodeReader->posCount == 1) {
DecodeReader->sum1 = bit;
}
if (DecodeReader->posCount == 8) {
DecodeReader->posCount = 0;
- int corr10 = DecodeReader->sum1 - DecodeReader->sum2;
- int corr01 = DecodeReader->sum2 - DecodeReader->sum1;
- int corr11 = (DecodeReader->sum1 + DecodeReader->sum2) / 2;
- if (corr01 > corr11 && corr01 > corr10) { // EOF
+ if (DecodeReader->sum1 <= 1 && DecodeReader->sum2 >= 3) { // EOF
LED_B_OFF(); // Finished receiving
DecodeReaderReset(DecodeReader);
if (DecodeReader->byteCount != 0) {
return true;
}
}
- if (corr10 > corr11) { // detected the bit position
+ if (DecodeReader->sum1 >= 3 && DecodeReader->sum2 <= 1) { // detected the bit position
DecodeReader->shiftReg = DecodeReader->bitCount;
}
if (DecodeReader->bitCount == 255) { // we have a full byte