Method decodeNECMSB

src/ir_NEC.hpp:332–381

 *********************************************************************************/

bool IRrecv::decodeNECMSB(decode_results *aResults) {
    unsigned int offset = 1;  // Index in to results; Skip first space.

// Check header "mark"
    if (!matchMark(aResults->rawbuf[offset], NEC_HEADER_MARK)) {
        return false;
    }
    offset++;

// Check for repeat
    if ((aResults->rawlen == 4) && matchSpace(aResults->rawbuf[offset], NEC_REPEAT_HEADER_SPACE)
            && matchMark(aResults->rawbuf[offset + 1], NEC_BIT_MARK)) {
        aResults->bits = 0;
        aResults->value = 0xFFFFFFFF;
        decodedIRData.flags |= IRDATA_FLAGS_IS_REPEAT;
        decodedIRData.protocol = NEC;
        return true;
    }

    // Check we have the right amount of data (32). +4 for initial gap, start bit mark and space + stop bit mark
    if (aResults->rawlen != (2 * NEC_BITS) + 4) {
        DEBUG_PRINT(F("NEC MSB: Data length="));
        DEBUG_PRINT(aResults->rawlen);
        DEBUG_PRINTLN(F(" is not 68"));
        return false;
    }

// Check header "space"
    if (!matchSpace(aResults->rawbuf[offset], NEC_HEADER_SPACE)) {
        DEBUG_PRINTLN(F("NEC MSB: Header space length is wrong"));
        return false;
    }
    offset++;

    decodePulseDistanceWidthData(NEC_BITS, offset, NEC_BIT_MARK, NEC_ONE_SPACE, 0, PROTOCOL_IS_MSB_FIRST);

    // Stop bit
    if (!matchMark(aResults->rawbuf[offset + (2 * NEC_BITS)], NEC_BIT_MARK)) {
        DEBUG_PRINTLN(F("NEC MSB: Stop bit mark length is wrong"));
        return false;
    }

// Success
    aResults->value = decodedIRData.decodedRawData;
    aResults->bits = NEC_BITS;
    aResults->decode_type = NEC;
    decodedIRData.protocol = NEC;

    return true;
}

/**
 * With Send sendNECMSB() you can send your old 32 bit codes.