mirror of https://github.com/arendst/Tasmota.git
104 lines
4.1 KiB
C++
104 lines
4.1 KiB
C++
// Copyright 2009 Ken Shirriff
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// Copyright 2017 David Conran
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/// @file
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/// @brief Support for Whynter protocols.
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/// Whynter A/C ARC-110WD added by Francesco Meschia
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/// Whynter originally added from https://github.com/shirriff/Arduino-IRremote/
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// Supports:
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// Brand: Whynter, Model: ARC-110WD A/C
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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 kWhynterTick = 50;
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const uint16_t kWhynterHdrMarkTicks = 57;
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const uint16_t kWhynterHdrMark = kWhynterHdrMarkTicks * kWhynterTick;
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const uint16_t kWhynterHdrSpaceTicks = 57;
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const uint16_t kWhynterHdrSpace = kWhynterHdrSpaceTicks * kWhynterTick;
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const uint16_t kWhynterBitMarkTicks = 15;
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const uint16_t kWhynterBitMark = kWhynterBitMarkTicks * kWhynterTick;
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const uint16_t kWhynterOneSpaceTicks = 43;
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const uint16_t kWhynterOneSpace = kWhynterOneSpaceTicks * kWhynterTick;
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const uint16_t kWhynterZeroSpaceTicks = 15;
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const uint16_t kWhynterZeroSpace = kWhynterZeroSpaceTicks * kWhynterTick;
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const uint16_t kWhynterMinCommandLengthTicks = 2160; // Totally made up value.
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const uint32_t kWhynterMinCommandLength =
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kWhynterMinCommandLengthTicks * kWhynterTick;
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const uint16_t kWhynterMinGapTicks =
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kWhynterMinCommandLengthTicks -
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(2 * (kWhynterBitMarkTicks + kWhynterZeroSpaceTicks) +
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kWhynterBits * (kWhynterBitMarkTicks + kWhynterOneSpaceTicks));
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const uint16_t kWhynterMinGap = kWhynterMinGapTicks * kWhynterTick;
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#if SEND_WHYNTER
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/// Send a Whynter message.
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/// Status: STABLE
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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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/// @see https://github.com/z3t0/Arduino-IRremote/blob/master/ir_Whynter.cpp
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void IRsend::sendWhynter(const uint64_t data, const uint16_t nbits,
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const uint16_t repeat) {
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// Set IR carrier frequency
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enableIROut(38);
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for (uint16_t i = 0; i <= repeat; i++) {
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// (Pre-)Header
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mark(kWhynterBitMark);
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space(kWhynterZeroSpace);
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sendGeneric(
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kWhynterHdrMark, kWhynterHdrSpace, kWhynterBitMark, kWhynterOneSpace,
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kWhynterBitMark, kWhynterZeroSpace, kWhynterBitMark, kWhynterMinGap,
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kWhynterMinCommandLength - (kWhynterBitMark + kWhynterZeroSpace), data,
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nbits, 38, true, 0, // Repeats are already handled.
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50);
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}
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}
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#endif // SEND_WHYNTER
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#if DECODE_WHYNTER
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/// Decode the supplied Whynter message.
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/// Status: STABLE / Working. Strict mode is ALPHA.
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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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/// @return True if it can decode it, false if it can't.
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/// @see https://github.com/z3t0/Arduino-IRremote/blob/master/ir_Whynter.cpp
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bool IRrecv::decodeWhynter(decode_results *results, uint16_t offset,
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const uint16_t nbits, const bool strict) {
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if (results->rawlen <= 2 * nbits + 2 * kHeader + kFooter - 1 + offset)
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return false; // We don't have enough entries to possibly match.
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// Compliance
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if (strict && nbits != kWhynterBits)
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return false; // Incorrect nr. of bits per spec.
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uint64_t data = 0;
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// Pre-Header
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// Sequence begins with a bit mark and a zero space.
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if (!matchMark(results->rawbuf[offset++], kWhynterBitMark)) return false;
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if (!matchSpace(results->rawbuf[offset++], kWhynterZeroSpace)) return false;
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// Match Main 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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kWhynterHdrMark, kWhynterHdrSpace,
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kWhynterBitMark, kWhynterOneSpace,
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kWhynterBitMark, kWhynterZeroSpace,
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kWhynterBitMark, kWhynterMinGap, true)) return false;
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// Success
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results->decode_type = WHYNTER;
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results->bits = nbits;
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results->value = data;
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results->address = 0;
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results->command = 0;
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return true;
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}
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#endif // DECODE_WHYNTER
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