Tasmota/lib/IRremoteESP8266-2.6.5/src/ir_Whynter.cpp

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3.8 KiB
C++
Executable File

// Copyright 2009 Ken Shirriff
// Copyright 2017 David Conran
// Whynter A/C ARC-110WD added by Francesco Meschia
// Whynter originally added from https://github.com/shirriff/Arduino-IRremote/
// Supports:
// Brand: Whynter, Model: ARC-110WD A/C
#include <algorithm>
#include "IRrecv.h"
#include "IRsend.h"
#include "IRutils.h"
// Constants
const uint16_t kWhynterTick = 50;
const uint16_t kWhynterHdrMarkTicks = 57;
const uint16_t kWhynterHdrMark = kWhynterHdrMarkTicks * kWhynterTick;
const uint16_t kWhynterHdrSpaceTicks = 57;
const uint16_t kWhynterHdrSpace = kWhynterHdrSpaceTicks * kWhynterTick;
const uint16_t kWhynterBitMarkTicks = 15;
const uint16_t kWhynterBitMark = kWhynterBitMarkTicks * kWhynterTick;
const uint16_t kWhynterOneSpaceTicks = 43;
const uint16_t kWhynterOneSpace = kWhynterOneSpaceTicks * kWhynterTick;
const uint16_t kWhynterZeroSpaceTicks = 15;
const uint16_t kWhynterZeroSpace = kWhynterZeroSpaceTicks * kWhynterTick;
const uint16_t kWhynterMinCommandLengthTicks = 2160; // Totally made up value.
const uint32_t kWhynterMinCommandLength =
kWhynterMinCommandLengthTicks * kWhynterTick;
const uint16_t kWhynterMinGapTicks =
kWhynterMinCommandLengthTicks -
(2 * (kWhynterBitMarkTicks + kWhynterZeroSpaceTicks) +
kWhynterBits * (kWhynterBitMarkTicks + kWhynterOneSpaceTicks));
const uint16_t kWhynterMinGap = kWhynterMinGapTicks * kWhynterTick;
#if SEND_WHYNTER
// Send a Whynter message.
//
// Args:
// data: message to be sent.
// nbits: Nr. of bits of the message to be sent.
// repeat: Nr. of additional times the message is to be sent.
//
// Status: STABLE
//
// Ref:
// https://github.com/z3t0/Arduino-IRremote/blob/master/ir_Whynter.cpp
void IRsend::sendWhynter(uint64_t data, uint16_t nbits, uint16_t repeat) {
// Set IR carrier frequency
enableIROut(38);
for (uint16_t i = 0; i <= repeat; i++) {
// (Pre-)Header
mark(kWhynterBitMark);
space(kWhynterZeroSpace);
sendGeneric(
kWhynterHdrMark, kWhynterHdrSpace, kWhynterBitMark, kWhynterOneSpace,
kWhynterBitMark, kWhynterZeroSpace, kWhynterBitMark, kWhynterMinGap,
kWhynterMinCommandLength - (kWhynterBitMark + kWhynterZeroSpace), data,
nbits, 38, true, 0, // Repeats are already handled.
50);
}
}
#endif
#if DECODE_WHYNTER
// Decode the supplied Whynter message.
//
// Args:
// results: Ptr to the data to decode and where to store the decode result.
// nbits: Nr. of data bits to expect.
// strict: Flag indicating if we should perform strict matching.
// Returns:
// boolean: True if it can decode it, false if it can't.
//
// Status: BETA Strict mode is ALPHA.
//
// Ref:
// https://github.com/z3t0/Arduino-IRremote/blob/master/ir_Whynter.cpp
bool IRrecv::decodeWhynter(decode_results *results, uint16_t nbits,
bool strict) {
if (results->rawlen < 2 * nbits + 2 * kHeader + kFooter - 1)
return false; // We don't have enough entries to possibly match.
// Compliance
if (strict && nbits != kWhynterBits)
return false; // Incorrect nr. of bits per spec.
uint16_t offset = kStartOffset;
uint64_t data = 0;
// Pre-Header
// Sequence begins with a bit mark and a zero space.
if (!matchMark(results->rawbuf[offset++], kWhynterBitMark)) return false;
if (!matchSpace(results->rawbuf[offset++], kWhynterZeroSpace)) return false;
// Match Main Header + Data + Footer
if (!matchGeneric(results->rawbuf + offset, &data,
results->rawlen - offset, nbits,
kWhynterHdrMark, kWhynterHdrSpace,
kWhynterBitMark, kWhynterOneSpace,
kWhynterBitMark, kWhynterZeroSpace,
kWhynterBitMark, kWhynterMinGap, true)) return false;
// Success
results->decode_type = WHYNTER;
results->bits = nbits;
results->value = data;
results->address = 0;
results->command = 0;
return true;
}
#endif