Tasmota/lib/IRremoteESP8266-2.5.2.03/src/ir_Whynter.cpp
Theo Arends 0924dfcfb7 Update IRRemoteESP8266 library
Update IRRemoteESP8266 library from 2.2.1 to 2.5.2
2018-11-20 15:53:56 +01:00

136 lines
4.9 KiB
C++

// Copyright 2009 Ken Shirriff
// Copyright 2017 David Conran
#include <algorithm>
#include "IRrecv.h"
#include "IRsend.h"
#include "IRutils.h"
// W W H H Y Y N N TTTTT EEEEE RRRRR
// W W H H Y Y NN N T E R R
// W W W HHHHH Y N N N T EEE RRRR
// W W W H H Y N NN T E R R
// WWW H H Y N N T EEEEE R R
// Whynter A/C ARC-110WD added by Francesco Meschia
// Whynter originally added from https://github.com/shirriff/Arduino-IRremote/
// 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;
// Header
// Sequence begins with a bit mark and a zero space.
// These are typically small, so we'll prefer to do the calibration
// on the much larger header mark & space that are next.
if (!matchMark(results->rawbuf[offset++], kWhynterBitMark)) return false;
if (!matchSpace(results->rawbuf[offset++], kWhynterZeroSpace)) return false;
// Main header mark and space
if (!matchMark(results->rawbuf[offset], kWhynterHdrMark)) return false;
// Calculate how long the common tick time is based on the header mark.
uint32_t m_tick = results->rawbuf[offset++] * kRawTick / kWhynterHdrMarkTicks;
if (!matchSpace(results->rawbuf[offset], kWhynterHdrSpace)) return false;
// Calculate how long the common tick time is based on the header space.
uint32_t s_tick =
results->rawbuf[offset++] * kRawTick / kWhynterHdrSpaceTicks;
// Data
uint64_t data = 0;
match_result_t data_result =
matchData(&(results->rawbuf[offset]), nbits,
kWhynterBitMarkTicks * m_tick, kWhynterOneSpaceTicks * s_tick,
kWhynterBitMarkTicks * m_tick, kWhynterZeroSpaceTicks * s_tick);
if (data_result.success == false) return false;
data = data_result.data;
offset += data_result.used;
// Footer
if (!matchMark(results->rawbuf[offset++], kWhynterBitMarkTicks * m_tick))
return false;
if (offset < results->rawlen &&
!matchAtLeast(results->rawbuf[offset], kWhynterMinGapTicks * s_tick))
return false;
// Success
results->decode_type = WHYNTER;
results->bits = nbits;
results->value = data;
results->address = 0;
results->command = 0;
return true;
}
#endif