75 lines
2.7 KiB
C++
75 lines
2.7 KiB
C++
// Copyright 2009 Ken Shirriff
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// Copyright 2017 David Conran
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/// @file
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/// @brief Nikai
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/// @see https://github.com/crankyoldgit/IRremoteESP8266/issues/309
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// Supports:
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// Brand: Nikai, Model: Unknown LCD TV
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#include <algorithm>
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#include "IRrecv.h"
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#include "IRsend.h"
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#include "IRutils.h"
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// Constants
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const uint16_t kNikaiTick = 500;
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const uint16_t kNikaiHdrMarkTicks = 8;
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const uint16_t kNikaiHdrMark = kNikaiHdrMarkTicks * kNikaiTick;
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const uint16_t kNikaiHdrSpaceTicks = 8;
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const uint16_t kNikaiHdrSpace = kNikaiHdrSpaceTicks * kNikaiTick;
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const uint16_t kNikaiBitMarkTicks = 1;
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const uint16_t kNikaiBitMark = kNikaiBitMarkTicks * kNikaiTick;
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const uint16_t kNikaiOneSpaceTicks = 2;
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const uint16_t kNikaiOneSpace = kNikaiOneSpaceTicks * kNikaiTick;
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const uint16_t kNikaiZeroSpaceTicks = 4;
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const uint16_t kNikaiZeroSpace = kNikaiZeroSpaceTicks * kNikaiTick;
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const uint16_t kNikaiMinGapTicks = 17;
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const uint16_t kNikaiMinGap = kNikaiMinGapTicks * kNikaiTick;
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#if SEND_NIKAI
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/// Send a Nikai formatted message.
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/// Status: STABLE / Working.
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/// @param[in] data The message to be sent.
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/// @param[in] nbits The number of bits of message to be sent.
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/// @param[in] repeat The number of times the command is to be repeated.
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void IRsend::sendNikai(uint64_t data, uint16_t nbits, uint16_t repeat) {
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sendGeneric(kNikaiHdrMark, kNikaiHdrSpace, kNikaiBitMark, kNikaiOneSpace,
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kNikaiBitMark, kNikaiZeroSpace, kNikaiBitMark, kNikaiMinGap, data,
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nbits, 38, true, repeat, 33);
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}
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#endif // SEND_NIKAI
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#if DECODE_NIKAI
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/// Decode the supplied Nikai message.
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/// Status: STABLE / Working.
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/// @param[in,out] results Ptr to the data to decode & where to store the result
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/// @param[in] offset The starting index to use when attempting to decode the
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/// raw data. Typically/Defaults to kStartOffset.
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/// @param[in] nbits The number of data bits to expect.
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/// @param[in] strict Flag indicating if we should perform strict matching.
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bool IRrecv::decodeNikai(decode_results *results, uint16_t offset,
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const uint16_t nbits, const bool strict) {
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if (strict && nbits != kNikaiBits)
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return false; // We expect Nikai to be a certain sized message.
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uint64_t data = 0;
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// Match Header + Data + Footer
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if (!matchGeneric(results->rawbuf + offset, &data,
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results->rawlen - offset, nbits,
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kNikaiHdrMark, kNikaiHdrSpace,
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kNikaiBitMark, kNikaiOneSpace,
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kNikaiBitMark, kNikaiZeroSpace,
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kNikaiBitMark, kNikaiMinGap, true)) return false;
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// Success
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results->bits = nbits;
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results->value = data;
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results->decode_type = NIKAI;
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results->command = 0;
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results->address = 0;
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return true;
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}
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#endif // DECODE_NIKAI
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