Tasmota/lib/IRremoteESP8266-2.7.6/src/ir_Denon.cpp

131 lines
4.4 KiB
C++

// Copyright 2016 Massimiliano Pinto
// Copyright 2017 David Conran
#include <algorithm>
#include "IRrecv.h"
#include "IRsend.h"
#include "IRutils.h"
// Original Denon support added by https://github.com/csBlueChip
// Ported over by Massimiliano Pinto
// Constants
// Ref:
// https://github.com/z3t0/Arduino-IRremote/blob/master/ir_Denon.cpp
const uint16_t kDenonTick = 263;
const uint16_t kDenonHdrMarkTicks = 1;
const uint16_t kDenonHdrMark = kDenonHdrMarkTicks * kDenonTick;
const uint16_t kDenonHdrSpaceTicks = 3;
const uint16_t kDenonHdrSpace = kDenonHdrSpaceTicks * kDenonTick;
const uint16_t kDenonBitMarkTicks = 1;
const uint16_t kDenonBitMark = kDenonBitMarkTicks * kDenonTick;
const uint16_t kDenonOneSpaceTicks = 7;
const uint16_t kDenonOneSpace = kDenonOneSpaceTicks * kDenonTick;
const uint16_t kDenonZeroSpaceTicks = 3;
const uint16_t kDenonZeroSpace = kDenonZeroSpaceTicks * kDenonTick;
const uint16_t kDenonMinCommandLengthTicks = 510;
const uint16_t kDenonMinGapTicks =
kDenonMinCommandLengthTicks -
(kDenonHdrMarkTicks + kDenonHdrSpaceTicks +
kDenonBits * (kDenonBitMarkTicks + kDenonOneSpaceTicks) +
kDenonBitMarkTicks);
const uint32_t kDenonMinGap = kDenonMinGapTicks * kDenonTick;
const uint64_t kDenonManufacturer = 0x2A4CULL;
#if SEND_DENON
// Send a Denon message
//
// Args:
// data: Contents of the message to be sent.
// nbits: Nr. of bits of data to be sent. Typically kDenonBits.
// repeat: Nr. of additional times the message is to be sent.
//
// Status: STABLE / Should be working.
//
// Notes:
// Some Denon devices use a Kaseikyo/Panasonic 48-bit format
// Others use the Sharp protocol.
// Ref:
// https://github.com/z3t0/Arduino-IRremote/blob/master/ir_Denon.cpp
// http://assets.denon.com/documentmaster/us/denon%20master%20ir%20hex.xls
void IRsend::sendDenon(uint64_t data, uint16_t nbits, uint16_t repeat) {
if (nbits >= kPanasonicBits) // Is this really Panasonic?
sendPanasonic64(data, nbits, repeat);
else if (nbits == kDenonLegacyBits)
// Support legacy (broken) calls of sendDenon().
sendSharpRaw(data & (~0x2000ULL), nbits + 1, repeat);
else
sendSharpRaw(data, nbits, repeat);
}
#endif
#if DECODE_DENON
// Decode a Denon message.
//
// Args:
// results: Ptr to the data to decode and where to store the decode result.
// offset: The starting index to use when attempting to decode the raw data.
// Typically/Defaults to kStartOffset.
// nbits: Expected nr. of data bits. (Typically kDenonBits)
// strict: Flag to indicate if we strictly adhere to the specification.
// Returns:
// boolean: True if it can decode it, false if it can't.
//
// Status: STABLE / Should work fine.
//
// Ref:
// https://github.com/z3t0/Arduino-IRremote/blob/master/ir_Denon.cpp
bool IRrecv::decodeDenon(decode_results *results, uint16_t offset,
const uint16_t nbits, const bool strict) {
// Compliance
if (strict) {
switch (nbits) {
case kDenonBits:
case kDenon48Bits:
case kDenonLegacyBits:
break;
default:
return false;
}
}
// Denon uses the Sharp & Panasonic(Kaseikyo) protocol for some
// devices, so check for those first.
// It is not exactly like Sharp's protocols, but close enough.
// e.g. The expansion bit is not set for Denon vs. set for Sharp.
// Ditto for Panasonic, it's the same except for a different
// manufacturer code.
if (!decodeSharp(results, offset, nbits, true, false) &&
!decodePanasonic(results, offset, nbits, true, kDenonManufacturer)) {
// We couldn't decode it as expected, so try the old legacy method.
// NOTE: I don't think this following protocol actually exists.
// Looks like a partial version of the Sharp protocol.
if (strict && nbits != kDenonLegacyBits) return false;
uint64_t data = 0;
// Match Header + Data + Footer
if (!matchGeneric(results->rawbuf + offset, &data,
results->rawlen - offset, nbits,
kDenonHdrMark, kDenonHdrSpace,
kDenonBitMark, kDenonOneSpace,
kDenonBitMark, kDenonZeroSpace,
kDenonBitMark, 0, false)) return false;
// Success
results->bits = nbits;
results->value = data;
results->address = 0;
results->command = 0;
} // Legacy decode.
// Compliance
if (strict && nbits != results->bits) return false;
// Success
results->decode_type = DENON;
return true;
}
#endif