84 lines
2.8 KiB
C++
84 lines
2.8 KiB
C++
// Copyright 2009 Ken Shirriff
|
|
// Copyright 2017 David Conran
|
|
|
|
// Nikai
|
|
|
|
#include <algorithm>
|
|
#include "IRrecv.h"
|
|
#include "IRsend.h"
|
|
#include "IRutils.h"
|
|
|
|
// Constants
|
|
// Ref:
|
|
// https://github.com/crankyoldgit/IRremoteESP8266/issues/309
|
|
const uint16_t kNikaiTick = 500;
|
|
const uint16_t kNikaiHdrMarkTicks = 8;
|
|
const uint16_t kNikaiHdrMark = kNikaiHdrMarkTicks * kNikaiTick;
|
|
const uint16_t kNikaiHdrSpaceTicks = 8;
|
|
const uint16_t kNikaiHdrSpace = kNikaiHdrSpaceTicks * kNikaiTick;
|
|
const uint16_t kNikaiBitMarkTicks = 1;
|
|
const uint16_t kNikaiBitMark = kNikaiBitMarkTicks * kNikaiTick;
|
|
const uint16_t kNikaiOneSpaceTicks = 2;
|
|
const uint16_t kNikaiOneSpace = kNikaiOneSpaceTicks * kNikaiTick;
|
|
const uint16_t kNikaiZeroSpaceTicks = 4;
|
|
const uint16_t kNikaiZeroSpace = kNikaiZeroSpaceTicks * kNikaiTick;
|
|
const uint16_t kNikaiMinGapTicks = 17;
|
|
const uint16_t kNikaiMinGap = kNikaiMinGapTicks * kNikaiTick;
|
|
|
|
#if SEND_NIKAI
|
|
// Send a Nikai TV formatted message.
|
|
//
|
|
// Args:
|
|
// data: The message to be sent.
|
|
// nbits: The bit size of the message being sent. typically kNikaiBits.
|
|
// repeat: The number of times the message is to be repeated.
|
|
//
|
|
// Status: STABLE / Working.
|
|
//
|
|
// Ref: https://github.com/crankyoldgit/IRremoteESP8266/issues/309
|
|
void IRsend::sendNikai(uint64_t data, uint16_t nbits, uint16_t repeat) {
|
|
sendGeneric(kNikaiHdrMark, kNikaiHdrSpace, kNikaiBitMark, kNikaiOneSpace,
|
|
kNikaiBitMark, kNikaiZeroSpace, kNikaiBitMark, kNikaiMinGap, data,
|
|
nbits, 38, true, repeat, 33);
|
|
}
|
|
#endif
|
|
|
|
#if DECODE_NIKAI
|
|
// Decode the supplied Nikai 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: Nr. of bits to expect in the data portion.
|
|
// Typically kNikaiBits.
|
|
// 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 / Working.
|
|
//
|
|
bool IRrecv::decodeNikai(decode_results *results, uint16_t offset,
|
|
const uint16_t nbits, const bool strict) {
|
|
if (strict && nbits != kNikaiBits)
|
|
return false; // We expect Nikai to be a certain sized message.
|
|
|
|
uint64_t data = 0;
|
|
|
|
// Match Header + Data + Footer
|
|
if (!matchGeneric(results->rawbuf + offset, &data,
|
|
results->rawlen - offset, nbits,
|
|
kNikaiHdrMark, kNikaiHdrSpace,
|
|
kNikaiBitMark, kNikaiOneSpace,
|
|
kNikaiBitMark, kNikaiZeroSpace,
|
|
kNikaiBitMark, kNikaiMinGap, true)) return false;
|
|
// Success
|
|
results->bits = nbits;
|
|
results->value = data;
|
|
results->decode_type = NIKAI;
|
|
results->command = 0;
|
|
results->address = 0;
|
|
return true;
|
|
}
|
|
#endif
|