Tasmota/lib/IRremoteESP8266-2.7.8/src/ir_Airwell.cpp

77 lines
3.0 KiB
C++

// Copyright 2020 David Conran
#include "IRrecv.h"
#include "IRsend.h"
/// @file
/// @brief Airwell "Manchester code" based protocol.
/// Some other Airwell products use the COOLIX protocol.
// Supports:
// Brand: Airwell, Model: RC08W remote
// Brand: Airwell, Model: RC04 remote
// Brand: Airwell, Model: DLS 21 DCI R410 AW A/C
const uint8_t kAirwellOverhead = 4;
const uint16_t kAirwellHalfClockPeriod = 950; // uSeconds
const uint16_t kAirwellHdrMark = 3 * kAirwellHalfClockPeriod; // uSeconds
const uint16_t kAirwellHdrSpace = 3 * kAirwellHalfClockPeriod; // uSeconds
const uint16_t kAirwellFooterMark = 5 * kAirwellHalfClockPeriod; // uSeconds
#if SEND_AIRWELL
/// Send an Airwell Manchester Code formatted message.
/// Status: BETA / Appears to be working.
/// @param[in] data The message to be sent.
/// @param[in] nbits The number of bits of the message to be sent.
/// @param[in] repeat The number of times the command is to be repeated.
/// @see https://github.com/crankyoldgit/IRremoteESP8266/issues/1069
void IRsend::sendAirwell(uint64_t data, uint16_t nbits, uint16_t repeat) {
// Header + Data
sendManchester(kAirwellHdrMark, kAirwellHdrMark, kAirwellHalfClockPeriod,
0, 0, data, nbits, 38000, true, repeat, kDutyDefault, false);
// Footer
mark(kAirwellHdrMark + kAirwellHalfClockPeriod);
space(kDefaultMessageGap); // A guess.
}
#endif
#if DECODE_AIRWELL
/// Decode the supplied Airwell "Manchester code" message.
///
/// Status: BETA / Appears to be working.
/// @param[in,out] results Ptr to the data to decode & where to store the decode
/// result.
/// @param[in] offset The starting index to use when attempting to decode the
/// raw data. Typically/Defaults to kStartOffset.
/// @param[in] nbits The number of data bits to expect.
/// @param[in] strict Flag indicating if we should perform strict matching.
/// @return A boolean. True if it can decode it, false if it can't.
/// @see https://github.com/crankyoldgit/IRremoteESP8266/issues/1069
bool IRrecv::decodeAirwell(decode_results *results, uint16_t offset,
const uint16_t nbits, const bool strict) {
if (results->rawlen < nbits + kAirwellOverhead - offset)
return false; // Too short a message to match.
// Compliance
if (strict && nbits != kAirwellBits)
return false; // Doesn't match our protocol defn.
// Header #1 + Data #1 + Footer #1 (There are total of 3 sections)
uint16_t used = matchManchester(results->rawbuf + offset, &results->value,
results->rawlen - offset, nbits,
kAirwellHdrMark, kAirwellHdrMark,
kAirwellHalfClockPeriod,
kAirwellHdrMark, kAirwellHdrSpace,
true, kUseDefTol, kMarkExcess, true, false);
if (used == 0) return false;
offset += used;
// Success
results->decode_type = decode_type_t::AIRWELL;
results->bits = nbits;
results->address = 0;
results->command = 0;
return true;
}
#endif