/** @author Stefan */
@Plugin
public class NexaLDecoder implements ProtocolDecoder {
protected static final int IDLE = 0;
protected static final int READING_HEADER_MARK = 1;
protected static final int READING_HEADER_SPACE = 2;
protected static final int READING_BIT_MARK_BEFORE = 3;
protected static final int READING_BIT_SPACE = 4;
protected static final int READING_BIT_MARK_AFTER_SHORT = 5;
protected static final int READING_BIT_MARK_AFTER_LONG = 6;
protected static final int READING_INTER_SPACE_SHORT = 7;
protected static final int READING_INTER_SPACE_LONG = 8;
protected static final int READING_LAST_BIT_MARK = 9;
protected static final int READING_TRAILING_SPACE = 10;
protected static final int READING_TRAILING_MARK = 11;
protected static final int REPEAT_SCAN = 12;
protected static final String s_StateNames[] = {
"IDLE",
"READING_HEADER_MARK",
"READING_HEADER_SPACE",
"READING_BIT_MARK_BEFORE",
"READING_BIT_SPACE",
"READING_BIT_MARK_AFTER_SHORT",
"READING_BIT_MARK_AFTER_LONG",
"READING_INTER_SPACE_SHORT",
"READING_INTER_SPACE_LONG",
"READING_LAST_BIT_MARK",
"READING_TRAILING_SPACE",
"READING_TRAILING_MARK",
"REPEAT_SCAN"
};
protected int m_State = IDLE;
// protected static final int NEXA_HEADER_MARK = 290; //142 - 438
// protected static final int NEXA_HEADER_SPACE = 2615; // 2021 - 3218
// protected static final int NEXA_MARK = 250; //283 + 60;
// protected static final int NEXA_LONG_SPACE = 1080; //1065 - 60;
// protected static final int NEXA_SHORT_SPACE = 280; // 283 - 60;
// protected static final int NEXA_LONG_INTER_SPACE = 1120; //1099 - 60;
// protected static final int NEXA_SHORT_INTER_SPACE = 325; //383; // 323 - 60;
// protected static final int NEXA_TRAILING_SPACE = 280; //383; // 323 - 60;
// protected static final int NEXA_REPEAT = 9600; //9557 - 60;
// This are the pulse length constants for the protocol. The default values may
// be overridden by system properties
public static final PulseLength NEXA_HEADER_MARK =
new PulseLength(NexaLDecoder.class, "NEXA_HEADER_MARK", 290, 200, 410);
public static final PulseLength NEXA_HEADER_SPACE =
new PulseLength(NexaLDecoder.class, "NEXA_HEADER_SPACE", 2615, 553);
public static final PulseLength NEXA_MARK =
new PulseLength(NexaLDecoder.class, "NEXA_MARK", 250, 170, 435); // 365
public static final PulseLength NEXA_LONG_SPACE =
new PulseLength(NexaLDecoder.class, "NEXA_LONG_SPACE", 1100, 250);
public static final PulseLength NEXA_SHORT_SPACE =
new PulseLength(NexaLDecoder.class, "NEXA_SHORT_SPACE", 280, 130, 366); // 180
public static final PulseLength NEXA_LONG_INTER_SPACE =
new PulseLength(NexaLDecoder.class, "NEXA_LONG_INTER_SPACE", 1120, 254);
public static final PulseLength NEXA_SHORT_INTER_SPACE =
new PulseLength(NexaLDecoder.class, "NEXA_SHORT_INTER_SPACE", 325, 150, 420); // 200
public static final PulseLength NEXA_REPEAT =
new PulseLength(NexaLDecoder.class, "NEXA_REPEAT", 9600, 1950);
long m_Data = 0;
long m_LastData = 0;
protected int m_BitCounter = 0;
protected int m_RepeatCount = 0;
protected ProtocolDecoderSink m_Sink = null;
public StatePulseAnalyzer analyzer = new StatePulseAnalyzer();
private double m_LastPulse = NEXA_REPEAT.length() / 2;
private boolean m_PrintAnalyze = false;
public void setTarget(ProtocolDecoderSink sink) {
m_Sink = sink;
}
public ProtocolInfo getInfo() {
return new ProtocolInfo("NexaL", "Space Length", "Nexa", 32, 5);
}
/**
* a = Address s = On/Off-bit g = Group bit b = Button
*
* <p>____Byte 3_____ ____Byte 2_____ ____Byte 1_____ ____Byte 0_____ 7 6 5 4 3 2 1 0 7 6 5 4 3 2
* 1 0 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0 a a a a a a a a a a a a a a a a a a a a a a a a a a g s b b
* b b
*/
protected void addBit(int b) {
m_Data <<= 1;
m_Data |= b;
// Check if this is a complete message
if (m_BitCounter == 31) {
// It is, create the message
decodeMessage(m_Data);
}
m_BitCounter++;
}
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;
}
/* (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;
}
}
/* (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;
}
