Method decodeJVC

src/ir_JVC.hpp:115–161

}

bool IRrecv::decodeJVC() {

//    uint_fast8_t tRawlen = decodedIRData.rawlen; // Using a local variable does not improve code size

    // Check we have the right amount of data (36 or 34). The +4 is for initial gap, start bit mark and space + stop bit mark.
    // +4 is for first frame, +2 is for repeats
    if (!(decodedIRData.rawlen == ((2 * JVC_BITS) + 2) || decodedIRData.rawlen == ((2 * JVC_BITS) + 4))) {
        DEBUG_PRINT(F("JVC: Data length="));
        DEBUG_PRINT(decodedIRData.rawlen);
        DEBUG_PRINTLN(F(" is not 34 or 36"));
        return false;
    }

    if (decodedIRData.rawlen == ((2 * JVC_BITS) + 2)) {
        /*
         * 34 -> check for repeat distance and check leading space and first and last mark length
         */
        if (lastDecodedProtocol == JVC
                && decodedIRData.initialGapTicks < ((JVC_REPEAT_DISTANCE + (JVC_REPEAT_DISTANCE / 4) / MICROS_PER_TICK))
                && matchMark(irparams.rawbuf[1], JVC_BIT_MARK)
                && matchMark(irparams.rawbuf[decodedIRData.rawlen - 1], JVC_BIT_MARK)) {
            /*
             * We have a repeat here, so do not check for start bit
             */
            decodedIRData.flags = IRDATA_FLAGS_IS_REPEAT | IRDATA_FLAGS_IS_LSB_FIRST;
            decodedIRData.address = lastDecodedAddress;
            decodedIRData.command = lastDecodedCommand;
            decodedIRData.protocol = JVC;
        }
    } else {

        // 36 -> check for new start frame
        if (!checkHeader_P(&JVCProtocolConstants)) {
            return false;
        }

        decodePulseDistanceWidthData_P(&JVCProtocolConstants, JVC_BITS);

//    decodedIRData.flags = IRDATA_FLAGS_IS_LSB_FIRST; // Not required, since this is the start value
        decodedIRData.command = decodedIRData.decodedRawData >> JVC_ADDRESS_BITS;  // upper 8 bits of LSB first value
        decodedIRData.address = decodedIRData.decodedRawData & 0xFF;    // lowest 8 bit of LSB first value
        decodedIRData.numberOfBits = JVC_BITS;
        decodedIRData.protocol = JVC;
    }

    return true;
}

/*********************************************************************************
 * Old deprecated functions, kept for backward compatibility to old 2.0 tutorials