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Experimental basic support for 112 bit TCL AC
Add basic send/decode routines for TCL112AC protocol. Update example code to reflect addition. Add some basic unit tests. Note: Still need to confirm bit-ordering. e.g. LSB or MSB. Ref #619
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,107 @@ | ||
| // Copyright 2019 David Conran | ||
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| #include "ir_Tcl.h" | ||
| #include "IRremoteESP8266.h" | ||
| #include "IRutils.h" | ||
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| // Constants | ||
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| #if SEND_TCL112AC | ||
| void IRsend::sendTcl112Ac(const unsigned char data[], const uint16_t nbytes, | ||
| const uint16_t repeat) { | ||
| sendGeneric(kTcl112AcHdrMark, kTcl112AcHdrSpace, | ||
| kTcl112AcBitMark, kTcl112AcOneSpace, | ||
| kTcl112AcBitMark, kTcl112AcZeroSpace, | ||
| kTcl112AcBitMark, kTcl112AcGap, | ||
| data, nbytes, 38000, false, repeat, 50); | ||
| } | ||
| #endif // SEND_TCL112AC | ||
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| IRTcl112Ac::IRTcl112Ac(uint16_t pin) : _irsend(pin) { stateReset(); } | ||
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| void IRTcl112Ac::begin() { _irsend.begin(); } | ||
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| #if SEND_TCL112AC | ||
| void IRTcl112Ac::send(const uint16_t repeat) { | ||
| checksum(); | ||
| _irsend.sendTcl112Ac(remote_state, kTcl112AcStateLength, repeat); | ||
| } | ||
| #endif // SEND_TCL112AC | ||
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| void IRTcl112Ac::checksum() { | ||
| } | ||
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| void IRTcl112Ac::stateReset() { | ||
| } | ||
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| uint8_t* IRTcl112Ac::getRaw() { | ||
| checksum(); | ||
| return remote_state; | ||
| } | ||
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| void IRTcl112Ac::setRaw(const uint8_t new_code[], const uint16_t length) { | ||
| for (uint8_t i = 0; i < length && i < kTcl112AcStateLength; i++) { | ||
| remote_state[i] = new_code[i]; | ||
| } | ||
| } | ||
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| #if DECODE_TCL112AC | ||
| // Decode the supplied TCL112AC message. | ||
| // | ||
| // Args: | ||
| // results: Ptr to the data to decode and where to store the decode result. | ||
| // nbits: The number of data bits to expect. Typically kTcl112AcBits. | ||
| // strict: Flag indicating if we should perform strict matching. | ||
| // Returns: | ||
| // boolean: True if it can decode it, false if it can't. | ||
| // | ||
| // Status: BETA / Appears to mostly work. | ||
| // | ||
| // Ref: | ||
| // https://github.com/markszabo/IRremoteESP8266/issues/619 | ||
| bool IRrecv::decodeTcl112Ac(decode_results *results, uint16_t nbits, | ||
| bool strict) { | ||
| if (results->rawlen < 2 * nbits + kHeader + kFooter - 1) | ||
| return false; // Can't possibly be a valid Samsung A/C message. | ||
| if (strict && nbits != kTcl112AcBits) return false; | ||
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| uint16_t offset = kStartOffset; | ||
| uint16_t dataBitsSoFar = 0; | ||
| match_result_t data_result; | ||
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| // Message Header | ||
| if (!matchMark(results->rawbuf[offset++], kTcl112AcHdrMark)) return false; | ||
| if (!matchSpace(results->rawbuf[offset++], kTcl112AcHdrSpace)) return false; | ||
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| // Data | ||
| // Keep reading bytes until we either run out of section or state to fill. | ||
| for (uint16_t i = 0; offset <= results->rawlen - 16 && i < nbits / 8; | ||
| i++, dataBitsSoFar += 8, offset += data_result.used) { | ||
| data_result = matchData(&(results->rawbuf[offset]), 8, kTcl112AcBitMark, | ||
| kTcl112AcOneSpace, kTcl112AcBitMark, | ||
| kTcl112AcZeroSpace, kTolerance, 0, false); | ||
| if (data_result.success == false) { | ||
| DPRINT("DEBUG: offset = "); | ||
| DPRINTLN(offset + data_result.used); | ||
| return false; // Fail | ||
| } | ||
| results->state[i] = data_result.data; | ||
| } | ||
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| // Footer | ||
| if (!matchMark(results->rawbuf[offset++], kTcl112AcBitMark)) return false; | ||
| if (offset <= results->rawlen && | ||
| !matchAtLeast(results->rawbuf[offset++], kTcl112AcGap)) return false; | ||
| // Compliance | ||
| // Re-check we got the correct size/length due to the way we read the data. | ||
| if (dataBitsSoFar != nbits) return false; | ||
| // Success | ||
| results->decode_type = TCL112AC; | ||
| results->bits = dataBitsSoFar; | ||
| // No need to record the state as we stored it as we decoded it. | ||
| // As we use result->state, we don't record value, address, or command as it | ||
| // is a union data type. | ||
| return true; | ||
| } | ||
| #endif // DECODE_TCL112AC |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,36 @@ | ||
| // Copyright 2019 David Conran | ||
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| #ifndef IR_TCL_H_ | ||
| #define IR_TCL_H_ | ||
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| #include "IRremoteESP8266.h" | ||
| #include "IRsend.h" | ||
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| // Constants | ||
| const uint16_t kTcl112AcHdrMark = 3000; | ||
| const uint16_t kTcl112AcHdrSpace = 1650; | ||
| const uint16_t kTcl112AcBitMark = 500; | ||
| const uint16_t kTcl112AcOneSpace = 1050; | ||
| const uint16_t kTcl112AcZeroSpace = 325; | ||
| const uint32_t kTcl112AcGap = 100000; // Just a guess. | ||
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| class IRTcl112Ac { | ||
| public: | ||
| explicit IRTcl112Ac(uint16_t pin); | ||
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| #if SEND_TCL112AC | ||
| void send(const uint16_t repeat = kTcl112AcDefaultRepeat); | ||
| #endif // SEND_TCL | ||
| void begin(void); | ||
| uint8_t* getRaw(void); | ||
| void setRaw(const uint8_t new_code[], | ||
| const uint16_t length = kTcl112AcStateLength); | ||
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| private: | ||
| uint8_t remote_state[kTcl112AcStateLength]; | ||
| void stateReset(); | ||
| void checksum(); | ||
| IRsend _irsend; | ||
| }; | ||
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| #endif // IR_TCL_H_ |
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