#include <string>
//#include <iostream>
+// Some global communications stuff:
+#include <QMutex>
+extern bool commandInFlight;
+extern QMutex commandIFMutex;
+
+// The official NEC protocol, as I understand it, has the following attributes:
+// A "zero" is encoded with a 560 usec pulse, 560 usec space.
+// A "one" is encoded with a 560 usec pulse, and 3*560 (1680) usec space.
+// The header is a 9000 usec pulse, 4500 usec space.
+// Commands end with a trailing 560 usec pulse.
+// A repeat block is a 9000 usec pulse, 2250 usec space, then trailing pulse.
+// Each command runs for 110000 usec before another can be executed.
+
+// For standard NEC, use this constructor:
+NECProtocol::NECProtocol(
+ QObject *guiObject,
+ unsigned int index,
+ NECKeyFormat fmt)
+ : PIRProtocol(guiObject, index, 110000, true),
+ zeroPulse(560),
+ zeroSpace(560),
+ onePulse(560),
+ oneSpace(1680),
+ headerPulse(9000),
+ headerSpace(4500),
+ hasHeaderPair(true),
+ trailerPulse(560),
+ hasTrailerPulse(true),
+ repeatPulse(9000),
+ repeatSpace(2250),
+ hasRepeatPair(true),
+ repeatNeedsHeader(false),
+ fullHeadlessRepeat(false),
+ elevenBitToggle(false),
+ encodingFormat(fmt)
+{
+}
+
+// For non-standard NEC, use this constructor:
NECProtocol::NECProtocol(
QObject *guiObject,
unsigned int index,
unsigned int oPulse,
unsigned int oSpace,
unsigned int gSpace,
- bool iclflag)
+ bool iclflag,
+ NECKeyFormat fmt)
: PIRProtocol(guiObject, index, gSpace, iclflag),
zeroPulse(zPulse),
zeroSpace(zSpace),
onePulse(oPulse),
oneSpace(oSpace),
- hasTrailerPulse(false),
hasHeaderPair(false),
+ hasTrailerPulse(false),
hasRepeatPair(false),
repeatNeedsHeader(false),
- fullHeadlessRepeat(false)
+ fullHeadlessRepeat(false),
+ elevenBitToggle(false),
+ encodingFormat(fmt)
{
}
fullHeadlessRepeat = flag;
}
-void NECProtocol::setPreData(
- unsigned long data,
- unsigned int bits)
-{
- appendToBitSeq(preData, data, bits);
-}
-
-void NECProtocol::setPostData(
- unsigned long data,
- unsigned int bits)
+void NECProtocol::setElevenBitToggle(
+ bool flag)
{
- appendToBitSeq(postData, data, bits);
+ elevenBitToggle = flag;
}
void NECProtocol::startSendingCommand(
// whole thing in a try/catch block:
try
{
- clearRepeatFlag();
-
- // Check if we are meant to be the recipient of this command:
+ // First, check if we are meant to be the recipient of this command:
if (threadableID != id) return;
+ // An object that helps keep track of the number of commands:
+// PIRCommandCounter commandCounter;
+
+ // Ok, we're going to lock down this method and make sure
+ // only one guy at a time passes this point:
+// QMutexLocker commandLocker(&commandMutex);
+
+ clearRepeatFlag();
+
KeycodeCollection::const_iterator i = keycodes.find(command);
// Do we even have this key defined?
PIRRX51Hardware rx51device(carrierFrequency, dutyCycle);
int repeatCount = 0;
+ int commandDuration = 0;
while (repeatCount < MAX_REPEAT_COUNT)
{
- int commandDuration;
-
// If we are currently repeating, and have a special "repeat signal",
// use that signal. Otherwise, generate a normal command string.
if (hasRepeatPair && repeatCount)
{
commandDuration = generateHeadlessCommand((*i).second, rx51device);
}
+ else if (elevenBitToggle && (repeatCount % 2))
+ {
+ commandDuration = generateToggledCommand((*i).second, rx51device);
+ }
else
{
commandDuration = generateStandardCommand((*i).second, rx51device);
// Check whether we've been asked to stop:
if (checkRepeatFlag())
{
+ QMutexLocker cifLocker(&commandIFMutex);
+ commandInFlight = false;
return;
}
}
// inform the gui:
emit commandFailed(e.getError().c_str());
}
+
+ QMutexLocker cifLocker(&commandIFMutex);
+ commandInFlight = false;
}
duration += (headerPulse + headerSpace);
}
- // Next, the "pre" data:
- duration += pushBits(preData, rx51device);
-
- // Next, add the actual command:
- duration += pushBits(bits, rx51device);
-
- // Next, add the "post" data:
- duration += pushBits(postData, rx51device);
+ // Now, check the encoding format:
+ switch(encodingFormat)
+ {
+ case Standard_NEC:
+ // Standard NEC is made up of an eight-bit "address" and an eight-bit
+ // "command". First the address bits are sent (in reverse order), then
+ // the address bits are inverted and sent again (in reverse order).
+ // Next, we do the same to the command bits.
+ // - "preData" should contain 8-bit value
+ // - "bits" should contain 8-bit value
+ duration += pushReverseBits(preData, rx51device);
+ duration += pushInvertedReverseBits(preData, rx51device);
+ duration += pushReverseBits(bits, rx51device);
+ duration += pushInvertedReverseBits(bits, rx51device);
+ break;
+ case Extended_NEC:
+ // In extended NEC, the address has been extended to 16 bits, but only
+ // the reversed bits are sent, not inverted. The command portion stays
+ // the same.
+ // - "preData" should contain 16-bit value
+ // - "bits" should contain 8-bit value
+ duration += pushReverseBits(preData, rx51device);
+ duration += pushReverseBits(bits, rx51device);
+ duration += pushInvertedReverseBits(bits, rx51device);
+ break;
+ case LIRC_NEC: default:
+ // In this case, we just dump the raw bits into the device:
+ duration += pushBits(preData, rx51device);
+ duration += pushBits(bits, rx51device);
+ duration += pushBits(postData, rx51device);
+ break;
+ }
// Finally add the "trail":
if (hasTrailerPulse)
}
+// NOTE! The following is a special command to toggle the last eleven bits
+// of the fifteen-bit commands used by Denon, Sharp, and a few others. It
+// assumes the command sequence will contain all fifteen bits. If this
+// is not the case, it will work incorrectly!
+int NECProtocol::generateToggledCommand(
+ const CommandSequence &bits,
+ PIRRX51Hardware &rx51device)
+{
+ int duration = 0;
+
+ CommandSequence::const_iterator i = bits.begin();
+
+ int bitcount = 0;
+ // First 4 bits:
+ while ((bitcount < 4) && (i != bits.end()))
+ {
+ if (*i)
+ {
+ // Send pulse for "one":
+ rx51device.addPair(onePulse, oneSpace);
+ duration += (onePulse + oneSpace);
+ }
+ else
+ {
+ // Send pulse for "zero":
+ rx51device.addPair(zeroPulse, zeroSpace);
+ duration += (zeroPulse + zeroSpace);
+ }
+ ++i;
+ ++bitcount;
+ }
+
+ // Now, invert the last eleven bits:
+ while (i != bits.end())
+ {
+ if (*i)
+ {
+ // Send pulse for "zero":
+ rx51device.addPair(zeroPulse, zeroSpace);
+ duration += (zeroPulse + zeroSpace);
+ }
+ else
+ {
+ // Send pulse for "one":
+ rx51device.addPair(onePulse, oneSpace);
+ duration += (onePulse + oneSpace);
+ }
+ ++i;
+ }
+
+ // Add trail on end:
+ if (hasTrailerPulse)
+ {
+ rx51device.addSingle(trailerPulse);
+ duration += trailerPulse;
+ }
+
+ return duration;
+}
+
+
int NECProtocol::pushBits(
const CommandSequence &bits,
PIRRX51Hardware &rx51device)
return duration;
}
+
+
+int NECProtocol::pushReverseBits(
+ const CommandSequence &bits,
+ PIRRX51Hardware &rx51device)
+{
+ int duration = 0;
+ CommandSequence::const_reverse_iterator i = bits.rbegin();
+ while (i != bits.rend())
+ {
+ if (*i)
+ {
+ // Send the pulse for "One":
+ rx51device.addPair(onePulse, oneSpace);
+ duration += (onePulse + oneSpace);
+ }
+ else
+ {
+ // Send the pulse for "Zero":
+ rx51device.addPair(zeroPulse, zeroSpace);
+ duration += (zeroPulse + zeroSpace);
+ }
+ ++i;
+ }
+
+ return duration;
+}
+
+
+int NECProtocol::pushInvertedReverseBits(
+ const CommandSequence &bits,
+ PIRRX51Hardware &rx51device)
+{
+ int duration = 0;
+ CommandSequence::const_reverse_iterator i = bits.rbegin();
+ while (i != bits.rend())
+ {
+ if (*i)
+ {
+ // Send the pulse for "Zero":
+ rx51device.addPair(zeroPulse, zeroSpace);
+ duration += (zeroPulse + zeroSpace);
+ }
+ else
+ {
+ // Send the pulse for "One":
+ rx51device.addPair(onePulse, oneSpace);
+ duration += (onePulse + oneSpace);
+ }
+ ++i;
+ }
+
+ return duration;
+}
projects / pierogi / blobdiff