526 lines
18 KiB
C++
526 lines
18 KiB
C++
// Copyright 2016 David Conran
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/// @file
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/// @brief Support for Kelvinator A/C protocols.
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/// Code to emulate IR Kelvinator YALIF remote control unit, which should
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/// control at least the following Kelvinator A/C units:
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/// KSV26CRC, KSV26HRC, KSV35CRC, KSV35HRC, KSV53HRC, KSV62HRC, KSV70CRC,
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/// KSV70HRC, KSV80HRC.
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///
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/// @note Unsupported:
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/// - All Sleep modes.
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/// - All Timer modes.
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/// - "I Feel" button & mode.
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/// - Energy Saving mode.
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/// - Low Heat mode.
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/// - Fahrenheit.
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#include "ir_Kelvinator.h"
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#include <algorithm>
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#include <cstring>
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#ifndef ARDUINO
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#include <string>
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#endif
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#include "IRac.h"
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#include "IRrecv.h"
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#include "IRsend.h"
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#include "IRtext.h"
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#include "IRutils.h"
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// Constants
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const uint16_t kKelvinatorTick = 85;
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const uint16_t kKelvinatorHdrMarkTicks = 106;
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const uint16_t kKelvinatorHdrMark = kKelvinatorHdrMarkTicks * kKelvinatorTick;
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const uint16_t kKelvinatorHdrSpaceTicks = 53;
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const uint16_t kKelvinatorHdrSpace = kKelvinatorHdrSpaceTicks * kKelvinatorTick;
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const uint16_t kKelvinatorBitMarkTicks = 8;
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const uint16_t kKelvinatorBitMark = kKelvinatorBitMarkTicks * kKelvinatorTick;
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const uint16_t kKelvinatorOneSpaceTicks = 18;
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const uint16_t kKelvinatorOneSpace = kKelvinatorOneSpaceTicks * kKelvinatorTick;
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const uint16_t kKelvinatorZeroSpaceTicks = 6;
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const uint16_t kKelvinatorZeroSpace =
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kKelvinatorZeroSpaceTicks * kKelvinatorTick;
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const uint16_t kKelvinatorGapSpaceTicks = 235;
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const uint16_t kKelvinatorGapSpace = kKelvinatorGapSpaceTicks * kKelvinatorTick;
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const uint8_t kKelvinatorCmdFooter = 2;
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const uint8_t kKelvinatorCmdFooterBits = 3;
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const uint8_t kKelvinatorChecksumStart = 10;
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using irutils::addBoolToString;
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using irutils::addIntToString;
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using irutils::addLabeledString;
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using irutils::addModeToString;
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using irutils::addFanToString;
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using irutils::addTempToString;
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#if SEND_KELVINATOR
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/// Send a Kelvinator A/C message.
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/// Status: STABLE / Known working.
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/// @param[in] data The message to be sent.
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/// @param[in] nbytes The number of bytes of message to be sent.
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/// @param[in] repeat The number of times the command is to be repeated.
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void IRsend::sendKelvinator(const unsigned char data[], const uint16_t nbytes,
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const uint16_t repeat) {
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if (nbytes < kKelvinatorStateLength)
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return; // Not enough bytes to send a proper message.
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for (uint16_t r = 0; r <= repeat; r++) {
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// Command Block #1 (4 bytes)
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sendGeneric(kKelvinatorHdrMark, kKelvinatorHdrSpace, kKelvinatorBitMark,
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kKelvinatorOneSpace, kKelvinatorBitMark, kKelvinatorZeroSpace,
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0, 0, // No Footer yet.
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data, 4, 38, false, 0, 50);
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// Send Footer for the command block (3 bits (b010))
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sendGeneric(0, 0, // No Header
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kKelvinatorBitMark, kKelvinatorOneSpace, kKelvinatorBitMark,
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kKelvinatorZeroSpace, kKelvinatorBitMark, kKelvinatorGapSpace,
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kKelvinatorCmdFooter, kKelvinatorCmdFooterBits, 38, false, 0,
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50);
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// Data Block #1 (4 bytes)
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sendGeneric(0, 0, // No header
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kKelvinatorBitMark, kKelvinatorOneSpace, kKelvinatorBitMark,
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kKelvinatorZeroSpace, kKelvinatorBitMark,
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kKelvinatorGapSpace * 2, data + 4, 4, 38, false, 0, 50);
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// Command Block #2 (4 bytes)
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sendGeneric(kKelvinatorHdrMark, kKelvinatorHdrSpace, kKelvinatorBitMark,
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kKelvinatorOneSpace, kKelvinatorBitMark, kKelvinatorZeroSpace,
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0, 0, // No Footer yet.
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data + 8, 4, 38, false, 0, 50);
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// Send Footer for the command block (3 bits (B010))
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sendGeneric(0, 0, // No Header
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kKelvinatorBitMark, kKelvinatorOneSpace, kKelvinatorBitMark,
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kKelvinatorZeroSpace, kKelvinatorBitMark, kKelvinatorGapSpace,
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kKelvinatorCmdFooter, kKelvinatorCmdFooterBits, 38, false, 0,
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50);
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// Data Block #2 (4 bytes)
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sendGeneric(0, 0, // No header
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kKelvinatorBitMark, kKelvinatorOneSpace, kKelvinatorBitMark,
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kKelvinatorZeroSpace, kKelvinatorBitMark,
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kKelvinatorGapSpace * 2, data + 12, 4, 38, false, 0, 50);
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}
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}
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#endif // SEND_KELVINATOR
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/// Class constructor
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/// @param[in] pin GPIO to be used when sending.
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/// @param[in] inverted Is the output signal to be inverted?
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/// @param[in] use_modulation Is frequency modulation to be used?
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IRKelvinatorAC::IRKelvinatorAC(const uint16_t pin, const bool inverted,
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const bool use_modulation)
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: _irsend(pin, inverted, use_modulation) { stateReset(); }
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/// Reset the internals of the object to a known good state.
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void IRKelvinatorAC::stateReset(void) {
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for (uint8_t i = 0; i < kKelvinatorStateLength; i++) _.raw[i] = 0x0;
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_.raw[3] = 0x50;
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_.raw[11] = 0x70;
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}
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/// Set up hardware to be able to send a message.
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void IRKelvinatorAC::begin(void) { _irsend.begin(); }
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/// Fix up any odd conditions for the current state.
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void IRKelvinatorAC::fixup(void) {
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// X-Fan mode is only valid in COOL or DRY modes.
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if (_.Mode != kKelvinatorCool && _.Mode != kKelvinatorDry)
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setXFan(false);
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// Duplicate to the 2nd command chunk.
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_.raw[8] = _.raw[0];
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_.raw[9] = _.raw[1];
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_.raw[10] = _.raw[2];
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checksum(); // Calculate the checksums
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}
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#if SEND_KELVINATOR
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/// Send the current internal state as an IR message.
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/// @param[in] repeat Nr. of times the message will be repeated.
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void IRKelvinatorAC::send(const uint16_t repeat) {
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_irsend.sendKelvinator(getRaw(), kKelvinatorStateLength, repeat);
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}
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#endif // SEND_KELVINATOR
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/// Get the raw state of the object, suitable to be sent with the appropriate
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/// IRsend object method.
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/// @return A PTR to the internal state.
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uint8_t *IRKelvinatorAC::getRaw(void) {
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fixup(); // Ensure correct settings before sending.
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return _.raw;
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}
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/// Set the raw state of the object.
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/// @param[in] new_code The raw state from the native IR message.
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void IRKelvinatorAC::setRaw(const uint8_t new_code[]) {
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std::memcpy(_.raw, new_code, kKelvinatorStateLength);
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}
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/// Calculate the checksum for a given block of state.
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/// @param[in] block A pointer to a block to calc the checksum of.
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/// @param[in] length Length of the block array to checksum.
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/// @return The calculated checksum value.
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/// @note Many Bothans died to bring us this information.
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uint8_t IRKelvinatorAC::calcBlockChecksum(const uint8_t *block,
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const uint16_t length) {
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uint8_t sum = kKelvinatorChecksumStart;
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// Sum the lower half of the first 4 bytes of this block.
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for (uint8_t i = 0; i < 4 && i < length - 1; i++, block++)
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sum += (*block & 0b1111);
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// then sum the upper half of the next 3 bytes.
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for (uint8_t i = 4; i < length - 1; i++, block++) sum += (*block >> 4);
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// Trim it down to fit into the 4 bits allowed. i.e. Mod 16.
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return sum & 0b1111;
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}
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/// Calculate the checksum for the internal state.
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void IRKelvinatorAC::checksum(void) {
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_.Sum1 = calcBlockChecksum(_.raw);
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_.Sum2 = calcBlockChecksum(_.raw + 8);
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}
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/// Verify the checksum is valid for a given state.
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/// @param[in] state The array to verify the checksum of.
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/// @param[in] length The size of the state.
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/// @return A boolean indicating if it is valid.
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bool IRKelvinatorAC::validChecksum(const uint8_t state[],
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const uint16_t length) {
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for (uint16_t offset = 0; offset + 7 < length; offset += 8) {
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// Top 4 bits of the last byte in the block is the block's checksum.
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if (GETBITS8(state[offset + 7], kHighNibble, kNibbleSize) !=
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calcBlockChecksum(state + offset))
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return false;
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}
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return true;
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}
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/// Set the internal state to have the power on.
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void IRKelvinatorAC::on(void) { setPower(true); }
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/// Set the internal state to have the power off.
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void IRKelvinatorAC::off(void) {setPower(false); }
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/// Set the internal state to have the desired power.
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/// @param[in] on The desired power state.
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void IRKelvinatorAC::setPower(const bool on) {
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_.Power = on;
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}
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/// Get the power setting from the internal state.
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/// @return A boolean indicating if the power setting.
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bool IRKelvinatorAC::getPower(void) const {
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return _.Power;
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}
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/// Set the temperature setting.
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/// @param[in] degrees The temperature in degrees celsius.
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void IRKelvinatorAC::setTemp(const uint8_t degrees) {
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uint8_t temp = std::max(kKelvinatorMinTemp, degrees);
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temp = std::min(kKelvinatorMaxTemp, temp);
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_.Temp = temp - kKelvinatorMinTemp;
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}
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/// Get the current temperature setting.
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/// @return Get current setting for temp. in degrees celsius.
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uint8_t IRKelvinatorAC::getTemp(void) const {
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return _.Temp + kKelvinatorMinTemp;
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}
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/// Set the speed of the fan.
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/// @param[in] speed 0 is auto, 1-5 is the speed
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void IRKelvinatorAC::setFan(const uint8_t speed) {
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uint8_t fan = std::min(kKelvinatorFanMax, speed); // Bounds check
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// Only change things if we need to.
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if (fan != _.Fan) {
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// Set the basic fan values.
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_.BasicFan = std::min(kKelvinatorBasicFanMax, fan);
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// Set the advanced(?) fan value.
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_.Fan = fan;
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// Turbo mode is turned off if we change the fan settings.
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setTurbo(false);
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}
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}
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/// Get the current fan speed setting.
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/// @return The current fan speed.
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uint8_t IRKelvinatorAC::getFan(void) const {
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return _.Fan;
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}
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/// Get the current operation mode setting.
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/// @return The current operation mode.
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uint8_t IRKelvinatorAC::getMode(void) const {
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return _.Mode;
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}
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/// Set the desired operation mode.
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/// @param[in] mode The desired operation mode.
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void IRKelvinatorAC::setMode(const uint8_t mode) {
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switch (mode) {
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case kKelvinatorAuto:
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case kKelvinatorDry:
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// When the remote is set to Auto or Dry, it defaults to 25C and doesn't
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// show it.
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setTemp(kKelvinatorAutoTemp);
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// FALL-THRU
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case kKelvinatorHeat:
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case kKelvinatorCool:
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case kKelvinatorFan:
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_.Mode = mode;
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break;
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default:
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setTemp(kKelvinatorAutoTemp);
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_.Mode = kKelvinatorAuto;
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break;
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}
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}
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/// Control the current vertical swing setting.
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/// @param[in] on The desired setting.
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void IRKelvinatorAC::setSwingVertical(const bool on) {
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_.SwingV = on;
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_.VentSwing = (on || _.SwingH);
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}
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/// Is the vertical swing setting on?
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/// @return The current value.
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bool IRKelvinatorAC::getSwingVertical(void) const {
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return _.SwingV;
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}
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/// Control the current horizontal swing setting.
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/// @param[in] on The desired setting.
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void IRKelvinatorAC::setSwingHorizontal(const bool on) {
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_.SwingH = on;
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_.VentSwing = (on || _.SwingV);
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}
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/// Is the horizontal swing setting on?
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/// @return The current value.
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bool IRKelvinatorAC::getSwingHorizontal(void) const {
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return _.SwingH;
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}
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/// Control the current Quiet setting.
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/// @param[in] on The desired setting.
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void IRKelvinatorAC::setQuiet(const bool on) {
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_.Quiet = on;
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}
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/// Is the Quiet setting on?
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/// @return The current value.
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bool IRKelvinatorAC::getQuiet(void) const {
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return _.Quiet;
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}
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/// Control the current Ion Filter setting.
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/// @param[in] on The desired setting.
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void IRKelvinatorAC::setIonFilter(const bool on) {
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_.IonFilter = on;
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}
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/// Is the Ion Filter setting on?
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/// @return The current value.
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bool IRKelvinatorAC::getIonFilter(void) const {
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return _.IonFilter;
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}
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/// Control the current Light setting.
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/// i.e. The LED display on the A/C unit that shows the basic settings.
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/// @param[in] on The desired setting.
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void IRKelvinatorAC::setLight(const bool on) {
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_.Light = on;
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}
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/// Is the Light (Display) setting on?
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/// @return The current value.
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bool IRKelvinatorAC::getLight(void) const {
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return _.Light;
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}
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/// Control the current XFan setting.
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/// This setting will cause the unit blow air after power off to dry out the
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/// A/C device.
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/// @note XFan mode is only valid in Cool or Dry mode.
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/// @param[in] on The desired setting.
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void IRKelvinatorAC::setXFan(const bool on) {
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_.XFan = on;
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}
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/// Is the XFan setting on?
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/// @return The current value.
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bool IRKelvinatorAC::getXFan(void) const {
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return _.XFan;
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}
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/// Control the current Turbo setting.
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/// @note Turbo mode is turned off if the fan speed is changed.
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/// @param[in] on The desired setting.
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void IRKelvinatorAC::setTurbo(const bool on) {
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_.Turbo = on;
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}
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/// Is the Turbo setting on?
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/// @return The current value.
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bool IRKelvinatorAC::getTurbo(void) const {
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return _.Turbo;
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}
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/// Convert a standard A/C mode (stdAc::opmode_t) into it a native mode.
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/// @param[in] mode A stdAc::opmode_t operation mode.
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/// @return The native mode equivalent.
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uint8_t IRKelvinatorAC::convertMode(const stdAc::opmode_t mode) {
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switch (mode) {
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case stdAc::opmode_t::kCool: return kKelvinatorCool;
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case stdAc::opmode_t::kHeat: return kKelvinatorHeat;
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case stdAc::opmode_t::kDry: return kKelvinatorDry;
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case stdAc::opmode_t::kFan: return kKelvinatorFan;
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default: return kKelvinatorAuto;
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}
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}
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/// Convert a native mode to it's stdAc::opmode_t equivalent.
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/// @param[in] mode A native operating mode value.
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/// @return The stdAc::opmode_t equivalent.
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stdAc::opmode_t IRKelvinatorAC::toCommonMode(const uint8_t mode) {
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switch (mode) {
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case kKelvinatorCool: return stdAc::opmode_t::kCool;
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case kKelvinatorHeat: return stdAc::opmode_t::kHeat;
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case kKelvinatorDry: return stdAc::opmode_t::kDry;
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case kKelvinatorFan: return stdAc::opmode_t::kFan;
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default: return stdAc::opmode_t::kAuto;
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}
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}
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/// Convert a native fan speed to it's stdAc::fanspeed_t equivalent.
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/// @param[in] speed A native fan speed value.
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/// @return The stdAc::fanspeed_t equivalent.
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stdAc::fanspeed_t IRKelvinatorAC::toCommonFanSpeed(const uint8_t speed) {
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return (stdAc::fanspeed_t)speed;
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}
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/// Convert the internal A/C object state to it's stdAc::state_t equivalent.
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/// @return A stdAc::state_t containing the current settings.
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stdAc::state_t IRKelvinatorAC::toCommon(void) const {
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stdAc::state_t result;
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result.protocol = decode_type_t::KELVINATOR;
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result.model = -1; // Unused.
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result.power = _.Power;
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result.mode = toCommonMode(_.Mode);
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result.celsius = true;
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result.degrees = getTemp();
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result.fanspeed = toCommonFanSpeed(_.Fan);
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result.swingv = _.SwingV ? stdAc::swingv_t::kAuto : stdAc::swingv_t::kOff;
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result.swingh = _.SwingH ? stdAc::swingh_t::kAuto : stdAc::swingh_t::kOff;
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result.quiet = _.Quiet;
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result.turbo = _.Turbo;
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result.light = _.Light;
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result.filter = _.IonFilter;
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result.clean = _.XFan;
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// Not supported.
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result.econo = false;
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result.beep = false;
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result.sleep = -1;
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result.clock = -1;
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return result;
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}
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/// Convert the internal settings into a human readable string.
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/// @return A String.
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String IRKelvinatorAC::toString(void) const {
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String result = "";
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result.reserve(160); // Reserve some heap for the string to reduce fragging.
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result += addBoolToString(_.Power, kPowerStr, false);
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result += addModeToString(_.Mode, kKelvinatorAuto, kKelvinatorCool,
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kKelvinatorHeat, kKelvinatorDry, kKelvinatorFan);
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result += addTempToString(getTemp());
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result += addFanToString(_.Fan, kKelvinatorFanMax, kKelvinatorFanMin,
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kKelvinatorFanAuto, kKelvinatorFanAuto,
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kKelvinatorBasicFanMax);
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result += addBoolToString(_.Turbo, kTurboStr);
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result += addBoolToString(_.Quiet, kQuietStr);
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result += addBoolToString(_.XFan, kXFanStr);
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result += addBoolToString(_.IonFilter, kIonStr);
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result += addBoolToString(_.Light, kLightStr);
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result += addBoolToString(_.SwingH, kSwingHStr);
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result += addBoolToString(_.SwingV, kSwingVStr);
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return result;
|
|
}
|
|
|
|
#if DECODE_KELVINATOR
|
|
/// Decode the supplied Kelvinator message.
|
|
/// Status: STABLE / Known 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.
|
|
bool IRrecv::decodeKelvinator(decode_results *results, uint16_t offset,
|
|
const uint16_t nbits, const bool strict) {
|
|
if (results->rawlen <=
|
|
2 * (nbits + kKelvinatorCmdFooterBits) + (kHeader + kFooter + 1) * 2 - 1 +
|
|
offset)
|
|
return false; // Can't possibly be a valid Kelvinator message.
|
|
if (strict && nbits != kKelvinatorBits)
|
|
return false; // Not strictly a Kelvinator message.
|
|
|
|
// There are two messages back-to-back in a full Kelvinator IR message
|
|
// sequence.
|
|
int8_t pos = 0;
|
|
for (uint8_t s = 0; s < 2; s++) {
|
|
match_result_t data_result;
|
|
|
|
uint16_t used;
|
|
// Header + Data Block #1 (32 bits)
|
|
used = matchGeneric(results->rawbuf + offset, results->state + pos,
|
|
results->rawlen - offset, 32,
|
|
kKelvinatorHdrMark, kKelvinatorHdrSpace,
|
|
kKelvinatorBitMark, kKelvinatorOneSpace,
|
|
kKelvinatorBitMark, kKelvinatorZeroSpace,
|
|
0, 0, false,
|
|
_tolerance, kMarkExcess, false);
|
|
if (used == 0) return false;
|
|
offset += used;
|
|
pos += 4;
|
|
|
|
// Command data footer (3 bits, B010)
|
|
data_result = matchData(
|
|
&(results->rawbuf[offset]), kKelvinatorCmdFooterBits,
|
|
kKelvinatorBitMark, kKelvinatorOneSpace,
|
|
kKelvinatorBitMark, kKelvinatorZeroSpace,
|
|
_tolerance, kMarkExcess, false);
|
|
if (data_result.success == false) return false;
|
|
if (data_result.data != kKelvinatorCmdFooter) return false;
|
|
offset += data_result.used;
|
|
|
|
// Gap + Data (Options) (32 bits)
|
|
used = matchGeneric(results->rawbuf + offset, results->state + pos,
|
|
results->rawlen - offset, 32,
|
|
kKelvinatorBitMark, kKelvinatorGapSpace,
|
|
kKelvinatorBitMark, kKelvinatorOneSpace,
|
|
kKelvinatorBitMark, kKelvinatorZeroSpace,
|
|
kKelvinatorBitMark, kKelvinatorGapSpace * 2,
|
|
s > 0,
|
|
_tolerance, kMarkExcess, false);
|
|
if (used == 0) return false;
|
|
offset += used;
|
|
pos += 4;
|
|
}
|
|
|
|
// Compliance
|
|
if (strict) {
|
|
// Verify the message's checksum is correct.
|
|
if (!IRKelvinatorAC::validChecksum(results->state)) return false;
|
|
}
|
|
|
|
// Success
|
|
results->decode_type = decode_type_t::KELVINATOR;
|
|
results->bits = nbits;
|
|
// No need to record the state as we stored it as we decoded it.
|
|
// As we use result->state, we don't record value, address, or command as it
|
|
// is a union data type.
|
|
return true;
|
|
}
|
|
#endif // DECODE_KELVINATOR
|