153 lines
5.4 KiB
C++
153 lines
5.4 KiB
C++
// Copyright 2016 Massimiliano Pinto
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// Copyright 2017 David Conran
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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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// DDDD EEEEE N N OOO N N
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// D D E NN N O O NN N
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// D D EEE N N N O O N N N
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// D D E N NN O O N NN
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// DDDD EEEEE N N OOO N N
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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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// Constants
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// Ref:
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// https://github.com/z3t0/Arduino-IRremote/blob/master/ir_Denon.cpp
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#define DENON_TICK 263U
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#define DENON_HDR_MARK_TICKS 1U
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#define DENON_HDR_MARK (DENON_HDR_MARK_TICKS * DENON_TICK)
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#define DENON_HDR_SPACE_TICKS 3U
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#define DENON_HDR_SPACE (DENON_HDR_SPACE_TICKS * DENON_TICK)
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#define DENON_BIT_MARK_TICKS 1U
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#define DENON_BIT_MARK (DENON_BIT_MARK_TICKS * DENON_TICK)
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#define DENON_ONE_SPACE_TICKS 7U
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#define DENON_ONE_SPACE (DENON_ONE_SPACE_TICKS * DENON_TICK)
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#define DENON_ZERO_SPACE_TICKS 3U
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#define DENON_ZERO_SPACE (DENON_ZERO_SPACE_TICKS * DENON_TICK)
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#define DENON_MIN_COMMAND_LENGTH_TICKS 510U
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#define DENON_MIN_COMMAND_LENGTH (DENON_MIN_COMMAND_LENGTH_TICKS * DENON_TICK)
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#define DENON_MIN_GAP_TICKS (DENON_MIN_COMMAND_LENGTH_TICKS - \
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(DENON_HDR_MARK_TICKS + DENON_HDR_SPACE_TICKS + \
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DENON_BITS * (DENON_BIT_MARK_TICKS + DENON_ONE_SPACE_TICKS) + \
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DENON_BIT_MARK_TICKS))
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#define DENON_MIN_GAP (DENON_MIN_GAP_TICKS * DENON_TICK)
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#define DENON_MANUFACTURER 0x2A4CULL
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#if SEND_DENON
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// Send a Denon message
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//
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// Args:
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// data: Contents of the message to be sent.
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// nbits: Nr. of bits of data to be sent. Typically DENON_BITS.
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// repeat: Nr. of additional times the message is to be sent.
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//
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// Status: BETA / Should be working.
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//
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// Notes:
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// Some Denon devices use a Kaseikyo/Panasonic 48-bit format
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// Others use the Sharp protocol.
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// Ref:
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// https://github.com/z3t0/Arduino-IRremote/blob/master/ir_Denon.cpp
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// http://assets.denon.com/documentmaster/us/denon%20master%20ir%20hex.xls
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void IRsend::sendDenon(uint64_t data, uint16_t nbits, uint16_t repeat) {
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if (nbits >= PANASONIC_BITS) // Is this really Panasonic?
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sendPanasonic64(data, nbits, repeat);
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else if (nbits == DENON_LEGACY_BITS)
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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 a Denon message.
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//
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// Args:
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// results: Ptr to the data to decode and where to store the decode result.
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// nbits: Expected nr. of data bits. (Typically DENON_BITS)
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// Returns:
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// boolean: True if it can decode it, false if it can't.
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//
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// Status: BETA / Should work fine.
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//
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// Ref:
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// https://github.com/z3t0/Arduino-IRremote/blob/master/ir_Denon.cpp
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bool IRrecv::decodeDenon(decode_results *results, uint16_t nbits, bool strict) {
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// Compliance
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if (strict) {
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switch (nbits) {
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case DENON_BITS:
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case DENON_48_BITS:
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case DENON_LEGACY_BITS:
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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, nbits, true, false) &&
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!decodePanasonic(results, nbits, true, DENON_MANUFACTURER)) {
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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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// Check we have enough data
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if (results->rawlen < 2 * nbits + HEADER + FOOTER - 1)
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return false;
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if (strict && nbits != DENON_LEGACY_BITS)
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return false;
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uint64_t data = 0;
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uint16_t offset = OFFSET_START;
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// Header
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if (!matchMark(results->rawbuf[offset], DENON_HDR_MARK)) return false;
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// Calculate how long the common tick time is based on the header mark.
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uint32_t m_tick = results->rawbuf[offset++] * RAWTICK /
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DENON_HDR_MARK_TICKS;
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if (!matchSpace(results->rawbuf[offset], DENON_HDR_SPACE)) return false;
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uint32_t s_tick = results->rawbuf[offset++] * RAWTICK /
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DENON_HDR_SPACE_TICKS;
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// Data
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match_result_t data_result = matchData(&(results->rawbuf[offset]), nbits,
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DENON_BIT_MARK_TICKS * m_tick,
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DENON_ONE_SPACE_TICKS * s_tick,
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DENON_BIT_MARK_TICKS * m_tick,
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DENON_ZERO_SPACE_TICKS * s_tick);
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if (data_result.success == false) return false;
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data = data_result.data;
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offset += data_result.used;
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// Footer
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if (!matchMark(results->rawbuf[offset++], DENON_BIT_MARK_TICKS * m_tick))
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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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