public void decodeMessage(long binaryMessage) {
int command = (int) (binaryMessage >> 4) & 0x1;
int address = (int) ((binaryMessage >> 6) & ((1 << 26) - 1));
int button = (int) ((binaryMessage & 0x0F) + ((binaryMessage & 0x20) >> 1) + 1);
ProtocolMessage message = new ProtocolMessage("NexaL", command, address, 4);
message.setRawMessageByteAt(3, (int) (binaryMessage & 0xFF));
message.setRawMessageByteAt(2, (int) ((binaryMessage >> 8) & 0xFF));
message.setRawMessageByteAt(1, (int) ((binaryMessage >> 16) & 0xFF));
message.setRawMessageByteAt(0, (int) ((binaryMessage >> 24) & 0xFF));
message.addField(new FieldValue("Command", command));
message.addField(new FieldValue("Address", address));
message.addField(new FieldValue("Button", button));
// It is, check if this really is a repeat
if ((m_RepeatCount > 0) && (binaryMessage == m_LastData)) {
message.setRepeat(m_RepeatCount);
} else {
// It is not a repeat, reset counter
m_RepeatCount = 0;
}
// Report the parsed message
m_Sink.parsedMessage(message);
if (m_PrintAnalyze) {
analyzer.printPulses();
}
m_State = READING_LAST_BIT_MARK;
}
/**
* An internal helper function which collects decoded bits and assembles messages
*
* @param b a decoded bit
*/
private void addBit(final boolean b) {
final int bit = b ? 1 : 0;
decodedDataValue = decodedDataValue + bit;
decodedMessageValue = decodedMessageValue + bit;
data <<= 1;
data |= bit;
bitCounter++;
// Check if a single data is receive
if (bitCounter % (MCZDecoderV2.MESSAGE_LENGTH / MCZDecoderV2.NB_DATA_BY_MESSAGE) == 0) {
// log(" DATA : " + Long.toBinaryString(data) + " 0x"
// + Long.toHexString(data) + " " + data + " | ", false);
//
// log(decodedDataValue + " 0x"
// + Long.toHexString(Long.parseLong(decodedDataValue, 2))
// + " " + Long.parseLong(decodedDataValue, 2), true);
datas.add(data);
data = 0;
}
// Check if this is a complete message
if (bitCounter == MCZDecoderV2.MESSAGE_LENGTH) {
String hexMessage = "";
for (final Long data : datas) {
hexMessage += "0x" + Long.toHexString(data) + " ";
}
if (repeatCount == 0) {
log("Message : " + hexMessage, true);
}
// Create the message
final ProtocolMessage message = new ProtocolMessage("MCZ V2", 2, 6, 7);
for (int i = 0; i < 7; i++) {
message.setRawMessageByteAt(i, datas.get(i).intValue());
}
message.addField(new FieldValue("Message", hexMessage));
// Check if this is a repeat
if (decodedMessageValue.equals(lastDecodedMessageValue)) {
repeatCount++;
message.setRepeat(repeatCount);
} else {
repeatCount = 0;
}
// Report the parsed message
sink.parsedMessage(message);
lastDecodedMessageValue = decodedMessageValue;
data = 0;
bitCounter = 0;
state = MCZDecoderV2.IDLE;
}
}
/* (non-Javadoc)
* @see ssg.ir.IRDecoder#parse(java.lang.Double)
*/
public int parse(double pulse, boolean state) {
switch (m_State) {
case IDLE:
{
if (NEXA_HEADER_MARK.matches(pulse) && (m_LastPulse > (NEXA_REPEAT.length() / 2))) {
m_State = READING_HEADER_SPACE;
}
break;
}
case READING_HEADER_SPACE:
{
if (NEXA_HEADER_SPACE.matches(pulse)) {
m_State = READING_BIT_MARK_BEFORE;
m_Data = 0;
m_BitCounter = 0;
} else {
m_State = IDLE;
}
break;
}
case READING_BIT_MARK_BEFORE:
{
if (NEXA_MARK.matches(pulse)) {
m_State = READING_BIT_SPACE;
} else {
m_Sink.partiallyParsedMessage("NexaL BMB " + Double.toString(pulse), m_BitCounter);
m_State = IDLE;
}
break;
}
case READING_BIT_SPACE:
{
if (NEXA_SHORT_SPACE.matches(pulse)) {
m_State = READING_BIT_MARK_AFTER_SHORT;
addBit(0);
} else if (NEXA_LONG_SPACE.matches(pulse)) {
m_State = READING_BIT_MARK_AFTER_LONG;
addBit(1);
} else {
m_Sink.partiallyParsedMessage("NexaL BS " + Double.toString(pulse), m_BitCounter);
m_State = IDLE;
}
break;
}
case READING_BIT_MARK_AFTER_SHORT:
{
if (NEXA_MARK.matches(pulse)) {
m_State = READING_INTER_SPACE_LONG;
} else {
m_Sink.partiallyParsedMessage("NexaL BMAS " + Double.toString(pulse), m_BitCounter);
m_State = IDLE;
}
break;
}
case READING_BIT_MARK_AFTER_LONG:
{
if (NEXA_MARK.matches(pulse)) {
m_State = READING_INTER_SPACE_SHORT;
} else {
m_Sink.partiallyParsedMessage("NexaL BMAL " + Double.toString(pulse), m_BitCounter);
m_State = IDLE;
}
break;
}
case READING_INTER_SPACE_SHORT:
{
if (NEXA_SHORT_INTER_SPACE.matches(pulse)) {
m_State = READING_BIT_MARK_BEFORE;
} else {
m_Sink.partiallyParsedMessage("NexaL ISS " + Double.toString(pulse), m_BitCounter);
m_State = IDLE;
}
break;
}
case READING_INTER_SPACE_LONG:
{
if (NEXA_LONG_INTER_SPACE.matches(pulse)) {
m_State = READING_BIT_MARK_BEFORE;
} else {
m_Sink.partiallyParsedMessage("NexaL ISL " + Double.toString(pulse), m_BitCounter);
m_State = IDLE;
}
break;
}
case READING_LAST_BIT_MARK:
{
if (NEXA_MARK.matches(pulse)) {
m_State = READING_TRAILING_SPACE;
} else {
m_Sink.partiallyParsedMessage("NexaL LBM " + Double.toString(pulse), m_BitCounter);
m_State = IDLE;
m_RepeatCount = 0;
}
break;
}
case READING_TRAILING_SPACE:
{
if (NEXA_LONG_INTER_SPACE.matches(pulse) || NEXA_SHORT_INTER_SPACE.matches(pulse)) {
m_State = READING_TRAILING_MARK;
} else {
m_Sink.partiallyParsedMessage("NexaL TS " + Double.toString(pulse), m_BitCounter);
m_State = IDLE;
m_RepeatCount = 0;
}
break;
}
case READING_TRAILING_MARK:
{
if (NEXA_MARK.matches(pulse)) {
m_State = REPEAT_SCAN;
} else {
m_Sink.partiallyParsedMessage("NexaL TM " + Double.toString(pulse), m_BitCounter);
m_State = IDLE;
m_RepeatCount = 0;
}
break;
}
case REPEAT_SCAN:
{
if (NEXA_REPEAT.matches(pulse)) {
m_RepeatCount += 1; // Start repeat sequence
// Save this sequence
m_LastData = m_Data;
} else {
m_RepeatCount = 0;
}
m_State = IDLE;
break;
}
}
m_LastPulse = pulse;
return m_State;
}