123 lines
4.4 KiB
C++
123 lines
4.4 KiB
C++
// Copyright 2016 Massimiliano Pinto
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// Copyright 2017 David Conran
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/// @file
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/// @brief Denon support
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/// Original Denon support added by https://github.com/csBlueChip
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/// Ported over by Massimiliano Pinto
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/// @see https://github.com/z3t0/Arduino-IRremote/blob/master/ir_Denon.cpp
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/// @see http://assets.denon.com/documentmaster/us/denon%20master%20ir%20hex.xls
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// Supports:
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// Brand: Denon, Model: AVR-3801 A/V Receiver (probably)
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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 kDenonTick = 263;
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const uint16_t kDenonHdrMarkTicks = 1;
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const uint16_t kDenonHdrMark = kDenonHdrMarkTicks * kDenonTick;
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const uint16_t kDenonHdrSpaceTicks = 3;
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const uint16_t kDenonHdrSpace = kDenonHdrSpaceTicks * kDenonTick;
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const uint16_t kDenonBitMarkTicks = 1;
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const uint16_t kDenonBitMark = kDenonBitMarkTicks * kDenonTick;
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const uint16_t kDenonOneSpaceTicks = 7;
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const uint16_t kDenonOneSpace = kDenonOneSpaceTicks * kDenonTick;
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const uint16_t kDenonZeroSpaceTicks = 3;
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const uint16_t kDenonZeroSpace = kDenonZeroSpaceTicks * kDenonTick;
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const uint16_t kDenonMinCommandLengthTicks = 510;
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const uint16_t kDenonMinGapTicks =
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kDenonMinCommandLengthTicks -
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(kDenonHdrMarkTicks + kDenonHdrSpaceTicks +
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kDenonBits * (kDenonBitMarkTicks + kDenonOneSpaceTicks) +
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kDenonBitMarkTicks);
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const uint32_t kDenonMinGap = kDenonMinGapTicks * kDenonTick;
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const uint64_t kDenonManufacturer = 0x2A4CULL;
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#if SEND_DENON
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/// Send a Denon formatted message.
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/// Status: STABLE / Should be 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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/// @note Some Denon devices use a Kaseikyo/Panasonic 48-bit format
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/// Others use the Sharp protocol.
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void IRsend::sendDenon(uint64_t data, uint16_t nbits, uint16_t repeat) {
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if (nbits >= kPanasonicBits) // Is this really Panasonic?
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sendPanasonic64(data, nbits, repeat);
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else if (nbits == kDenonLegacyBits)
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// Support legacy (broken) calls of sendDenon().
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sendSharpRaw(data & (~0x2000ULL), nbits + 1, repeat);
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else
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sendSharpRaw(data, nbits, repeat);
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}
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#endif
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#if DECODE_DENON
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/// Decode the supplied Delonghi A/C message.
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/// Status: STABLE / Should work fine.
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/// @param[in,out] results Ptr to the data to decode & where to store the decode
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/// 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 A boolean. 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_Denon.cpp
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bool IRrecv::decodeDenon(decode_results *results, uint16_t offset,
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const uint16_t nbits, const bool strict) {
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// Compliance
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if (strict) {
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switch (nbits) {
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case kDenonBits:
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case kDenon48Bits:
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case kDenonLegacyBits:
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break;
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default:
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return false;
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}
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}
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// Denon uses the Sharp & Panasonic(Kaseikyo) protocol for some
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// devices, so check for those first.
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// It is not exactly like Sharp's protocols, but close enough.
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// e.g. The expansion bit is not set for Denon vs. set for Sharp.
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// Ditto for Panasonic, it's the same except for a different
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// manufacturer code.
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if (!decodeSharp(results, offset, nbits, true, false) &&
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!decodePanasonic(results, offset, nbits, true, kDenonManufacturer)) {
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// We couldn't decode it as expected, so try the old legacy method.
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// NOTE: I don't think this following protocol actually exists.
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// Looks like a partial version of the Sharp protocol.
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if (strict && nbits != kDenonLegacyBits) return false;
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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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kDenonHdrMark, kDenonHdrSpace,
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kDenonBitMark, kDenonOneSpace,
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kDenonBitMark, kDenonZeroSpace,
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kDenonBitMark, 0, false)) 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->address = 0;
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results->command = 0;
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} // Legacy decode.
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// Compliance
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if (strict && nbits != results->bits) return false;
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// Success
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results->decode_type = DENON;
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return true;
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}
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#endif
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