563 lines
19 KiB
C++
563 lines
19 KiB
C++
// Copyright 2016 David Conran
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//
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// Code to emulate IR Kelvinator YALIF remote control unit, which should control
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// 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:
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// * 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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#ifndef ARDUINO
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#include <string>
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#endif
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#include "IRrecv.h"
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#include "IRsend.h"
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#include "IRutils.h"
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// KK KK EEEEEEE LL VV VV IIIII NN NN AAA TTTTTTT OOOOO RRRRRR
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// KK KK EE LL VV VV III NNN NN AAAAA TTT OO OO RR RR
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// KKKK EEEEE LL VV VV III NN N NN AA AA TTT OO OO RRRRRR
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// KK KK EE LL VV VV III NN NNN AAAAAAA TTT OO OO RR RR
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// KK KK EEEEEEE LLLLLLL VVV IIIII NN NN AA AA TTT OOOO0 RR RR
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// Constants
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#define KELVINATOR_TICK 85U
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#define KELVINATOR_HDR_MARK_TICKS 106U
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#define KELVINATOR_HDR_MARK (KELVINATOR_HDR_MARK_TICKS * KELVINATOR_TICK)
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#define KELVINATOR_HDR_SPACE_TICKS 53U
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#define KELVINATOR_HDR_SPACE (KELVINATOR_HDR_SPACE_TICKS * KELVINATOR_TICK)
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#define KELVINATOR_BIT_MARK_TICKS 8U
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#define KELVINATOR_BIT_MARK (KELVINATOR_BIT_MARK_TICKS * KELVINATOR_TICK)
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#define KELVINATOR_ONE_SPACE_TICKS 18U
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#define KELVINATOR_ONE_SPACE (KELVINATOR_ONE_SPACE_TICKS * KELVINATOR_TICK)
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#define KELVINATOR_ZERO_SPACE_TICKS 6U
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#define KELVINATOR_ZERO_SPACE (KELVINATOR_ZERO_SPACE_TICKS * KELVINATOR_TICK)
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#define KELVINATOR_GAP_SPACE_TICKS 235U
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#define KELVINATOR_GAP_SPACE (KELVINATOR_GAP_SPACE_TICKS * KELVINATOR_TICK)
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#define KELVINATOR_CMD_FOOTER 2U
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#define KELVINATOR_CMD_FOOTER_BITS 3U
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#define KELVINATOR_POWER 8U
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#define KELVINATOR_MODE_MASK 0xF8U
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#define KELVINATOR_FAN_OFFSET 4U
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#define KELVINATOR_BASIC_FAN_MASK uint8_t(0xFFU ^ (3U << KELVINATOR_FAN_OFFSET))
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#define KELVINATOR_FAN_MASK uint8_t(0xFFU ^ (7U << KELVINATOR_FAN_OFFSET))
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#define KELVINATOR_CHECKSUM_START 10U
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#define KELVINATOR_VENT_SWING_OFFSET 6U
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#define KELVINATOR_VENT_SWING uint8_t(1U << KELVINATOR_VENT_SWING_OFFSET)
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#define KELVINATOR_VENT_SWING_V uint8_t(1U)
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#define KELVINATOR_VENT_SWING_H uint8_t(1U << 4)
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#define KELVINATOR_SLEEP_1_AND_3 uint8_t(1U << 7)
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#define KELVINATOR_QUIET_OFFSET 7U
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#define KELVINATOR_QUIET uint8_t(1U << KELVINATOR_QUIET_OFFSET)
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#define KELVINATOR_ION_FILTER_OFFSET 6U
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#define KELVINATOR_ION_FILTER uint8_t(1U << KELVINATOR_ION_FILTER_OFFSET)
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#define KELVINATOR_LIGHT_OFFSET 5U
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#define KELVINATOR_LIGHT uint8_t(1U << KELVINATOR_LIGHT_OFFSET)
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#define KELVINATOR_XFAN_OFFSET 7U
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#define KELVINATOR_XFAN uint8_t(1U << KELVINATOR_XFAN_OFFSET)
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#define KELVINATOR_TURBO_OFFSET 4U
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#define KELVINATOR_TURBO uint8_t(1U << KELVINATOR_TURBO_OFFSET)
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#if SEND_KELVINATOR
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// Send a Kelvinator A/C message.
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//
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// Args:
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// data: An array of bytes containing the IR command.
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// nbytes: Nr. of bytes of data in the array. (>=KELVINATOR_STATE_LENGTH)
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// repeat: Nr. of times the message is to be repeated. (Default = 0).
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//
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// Status: STABLE / Known working.
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//
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void IRsend::sendKelvinator(unsigned char data[], uint16_t nbytes,
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uint16_t repeat) {
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if (nbytes < KELVINATOR_STATE_LENGTH)
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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(KELVINATOR_HDR_MARK, KELVINATOR_HDR_SPACE,
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KELVINATOR_BIT_MARK, KELVINATOR_ONE_SPACE,
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KELVINATOR_BIT_MARK, KELVINATOR_ZERO_SPACE,
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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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KELVINATOR_BIT_MARK, KELVINATOR_ONE_SPACE,
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KELVINATOR_BIT_MARK, KELVINATOR_ZERO_SPACE,
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KELVINATOR_BIT_MARK, KELVINATOR_GAP_SPACE,
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KELVINATOR_CMD_FOOTER, KELVINATOR_CMD_FOOTER_BITS,
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38, false, 0, 50);
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// Data Block #1 (4 bytes)
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sendGeneric(0, 0, // No header
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KELVINATOR_BIT_MARK, KELVINATOR_ONE_SPACE,
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KELVINATOR_BIT_MARK, KELVINATOR_ZERO_SPACE,
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KELVINATOR_BIT_MARK, KELVINATOR_GAP_SPACE * 2,
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data + 4, 4, 38, false, 0, 50);
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// Command Block #2 (4 bytes)
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sendGeneric(KELVINATOR_HDR_MARK, KELVINATOR_HDR_SPACE,
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KELVINATOR_BIT_MARK, KELVINATOR_ONE_SPACE,
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KELVINATOR_BIT_MARK, KELVINATOR_ZERO_SPACE,
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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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KELVINATOR_BIT_MARK, KELVINATOR_ONE_SPACE,
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KELVINATOR_BIT_MARK, KELVINATOR_ZERO_SPACE,
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KELVINATOR_BIT_MARK, KELVINATOR_GAP_SPACE,
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KELVINATOR_CMD_FOOTER, KELVINATOR_CMD_FOOTER_BITS,
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38, false, 0, 50);
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// Data Block #2 (4 bytes)
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sendGeneric(0, 0, // No header
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KELVINATOR_BIT_MARK, KELVINATOR_ONE_SPACE,
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KELVINATOR_BIT_MARK, KELVINATOR_ZERO_SPACE,
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KELVINATOR_BIT_MARK, KELVINATOR_GAP_SPACE * 2,
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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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IRKelvinatorAC::IRKelvinatorAC(uint16_t pin) : _irsend(pin) {
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stateReset();
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}
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void IRKelvinatorAC::stateReset() {
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for (uint8_t i = 0; i < KELVINATOR_STATE_LENGTH; i++)
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remote_state[i] = 0x0;
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remote_state[3] = 0x50;
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remote_state[11] = 0x70;
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}
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void IRKelvinatorAC::begin() {
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_irsend.begin();
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}
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void IRKelvinatorAC::fixup() {
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// X-Fan mode is only valid in COOL or DRY modes.
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if (getMode() != KELVINATOR_COOL && getMode() != KELVINATOR_DRY)
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setXFan(false);
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checksum(); // Calculate the checksums
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}
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#if SEND_KELVINATOR
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void IRKelvinatorAC::send() {
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fixup(); // Ensure correct settings before sending.
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_irsend.sendKelvinator(remote_state);
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}
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#endif // SEND_KELVINATOR
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uint8_t* IRKelvinatorAC::getRaw() {
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fixup(); // Ensure correct settings before sending.
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return remote_state;
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}
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void IRKelvinatorAC::setRaw(uint8_t new_code[]) {
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for (uint8_t i = 0; i < KELVINATOR_STATE_LENGTH; i++) {
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remote_state[i] = new_code[i];
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}
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}
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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 = KELVINATOR_CHECKSUM_START;
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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 & 0x0FU);
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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++)
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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 & 0x0FU;
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}
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// Many Bothans died to bring us this information.
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void IRKelvinatorAC::checksum(const uint16_t length) {
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// For each command + options block.
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for (uint16_t offset = 0; offset + 7 < length; offset += 8) {
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uint8_t sum = calcBlockChecksum(remote_state + offset);
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remote_state[7 + offset] = (sum << 4) | (remote_state[7 + offset] & 0xFU);
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}
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}
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// Verify the checksum is valid for a given state.
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// Args:
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// state: The array to verify the checksum of.
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// length: The size of the state.
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// Returns:
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// A boolean.
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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 (state[offset + 7] >> 4 != 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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void IRKelvinatorAC::on() {
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remote_state[0] |= KELVINATOR_POWER;
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remote_state[8] = remote_state[0]; // Duplicate to the 2nd command chunk.
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}
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void IRKelvinatorAC::off() {
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remote_state[0] &= ~KELVINATOR_POWER;
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remote_state[8] = remote_state[0]; // Duplicate to the 2nd command chunk.
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}
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void IRKelvinatorAC::setPower(bool state) {
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if (state)
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on();
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else
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off();
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}
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bool IRKelvinatorAC::getPower() {
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return ((remote_state[0] & KELVINATOR_POWER) != 0);
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}
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// Set the temp. in deg C
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void IRKelvinatorAC::setTemp(uint8_t temp) {
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temp = std::max((uint8_t) KELVINATOR_MIN_TEMP, temp);
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temp = std::min((uint8_t) KELVINATOR_MAX_TEMP, temp);
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remote_state[1] = (remote_state[1] & 0xF0U) | (temp - KELVINATOR_MIN_TEMP);
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remote_state[9] = remote_state[1]; // Duplicate to the 2nd command chunk.
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}
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// Return the set temp. in deg C
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uint8_t IRKelvinatorAC::getTemp() {
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return ((remote_state[1] & 0xFU) + KELVINATOR_MIN_TEMP);
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}
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// Set the speed of the fan, 0-5, 0 is auto, 1-5 is the speed
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void IRKelvinatorAC::setFan(uint8_t fan) {
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fan = std::min((uint8_t) KELVINATOR_FAN_MAX, fan); // Bounds check
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// Only change things if we need to.
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if (fan != getFan()) {
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// Set the basic fan values.
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uint8_t fan_basic = std::min((uint8_t) KELVINATOR_BASIC_FAN_MAX, fan);
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remote_state[0] = (remote_state[0] & KELVINATOR_BASIC_FAN_MASK) |
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(fan_basic << KELVINATOR_FAN_OFFSET);
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remote_state[8] = remote_state[0]; // Duplicate to the 2nd command chunk.
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// Set the advanced(?) fan value.
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remote_state[14] = (remote_state[14] & KELVINATOR_FAN_MASK) |
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(fan << KELVINATOR_FAN_OFFSET);
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setTurbo(false); // Turbo mode is turned off if we change the fan settings.
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}
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}
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uint8_t IRKelvinatorAC::getFan() {
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return ((remote_state[14] & ~KELVINATOR_FAN_MASK) >> KELVINATOR_FAN_OFFSET);
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}
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uint8_t IRKelvinatorAC::getMode() {
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return (remote_state[0] & ~KELVINATOR_MODE_MASK);
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}
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void IRKelvinatorAC::setMode(uint8_t mode) {
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// If we get an unexpected mode, default to AUTO.
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if (mode > KELVINATOR_HEAT) mode = KELVINATOR_AUTO;
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remote_state[0] = (remote_state[0] & KELVINATOR_MODE_MASK) | mode;
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remote_state[8] = remote_state[0]; // Duplicate to the 2nd command chunk.
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if (mode == KELVINATOR_AUTO || KELVINATOR_DRY)
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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(KELVINATOR_AUTO_TEMP);
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}
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void IRKelvinatorAC::setSwingVertical(bool state) {
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if (state) {
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remote_state[0] |= KELVINATOR_VENT_SWING;
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remote_state[4] |= KELVINATOR_VENT_SWING_V;
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} else {
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remote_state[4] &= ~KELVINATOR_VENT_SWING_V;
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if (!getSwingHorizontal())
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remote_state[0] &= ~KELVINATOR_VENT_SWING;
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}
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remote_state[8] = remote_state[0]; // Duplicate to the 2nd command chunk.
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}
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bool IRKelvinatorAC::getSwingVertical() {
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return ((remote_state[4] & KELVINATOR_VENT_SWING_V) != 0);
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}
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void IRKelvinatorAC::setSwingHorizontal(bool state) {
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if (state) {
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remote_state[0] |= KELVINATOR_VENT_SWING;
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remote_state[4] |= KELVINATOR_VENT_SWING_H;
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} else {
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remote_state[4] &= ~KELVINATOR_VENT_SWING_H;
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if (!getSwingVertical())
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remote_state[0] &= ~KELVINATOR_VENT_SWING;
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}
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remote_state[8] = remote_state[0]; // Duplicate to the 2nd command chunk.
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}
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bool IRKelvinatorAC::getSwingHorizontal() {
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return ((remote_state[4] & KELVINATOR_VENT_SWING_H) != 0);
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}
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void IRKelvinatorAC::setQuiet(bool state) {
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remote_state[12] &= ~KELVINATOR_QUIET;
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remote_state[12] |= (state << KELVINATOR_QUIET_OFFSET);
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}
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bool IRKelvinatorAC::getQuiet() {
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return ((remote_state[12] & KELVINATOR_QUIET) != 0);
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}
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void IRKelvinatorAC::setIonFilter(bool state) {
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remote_state[2] &= ~KELVINATOR_ION_FILTER;
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remote_state[2] |= (state << KELVINATOR_ION_FILTER_OFFSET);
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remote_state[10] = remote_state[2]; // Duplicate to the 2nd command chunk.
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}
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bool IRKelvinatorAC::getIonFilter() {
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return ((remote_state[2] & KELVINATOR_ION_FILTER) != 0);
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}
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void IRKelvinatorAC::setLight(bool state) {
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remote_state[2] &= ~KELVINATOR_LIGHT;
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remote_state[2] |= (state << KELVINATOR_LIGHT_OFFSET);
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remote_state[10] = remote_state[2]; // Duplicate to the 2nd command chunk.
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}
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bool IRKelvinatorAC::getLight() {
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return ((remote_state[2] & KELVINATOR_LIGHT) != 0);
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}
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// Note: XFan mode is only valid in Cool or Dry mode.
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void IRKelvinatorAC::setXFan(bool state) {
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remote_state[2] &= ~KELVINATOR_XFAN;
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remote_state[2] |= (state << KELVINATOR_XFAN_OFFSET);
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remote_state[10] = remote_state[2]; // Duplicate to the 2nd command chunk.
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}
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bool IRKelvinatorAC::getXFan() {
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return ((remote_state[2] & KELVINATOR_XFAN) != 0);
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}
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// Note: Turbo mode is turned off if the fan speed is changed.
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void IRKelvinatorAC::setTurbo(bool state) {
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remote_state[2] &= ~KELVINATOR_TURBO;
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remote_state[2] |= (state << KELVINATOR_TURBO_OFFSET);
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remote_state[10] = remote_state[2]; // Duplicate to the 2nd command chunk.
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}
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bool IRKelvinatorAC::getTurbo() {
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return ((remote_state[2] & KELVINATOR_TURBO) != 0);
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}
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// Convert the internal state into a human readable string.
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#ifdef ARDUINO
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String IRKelvinatorAC::toString() {
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String result = "";
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#else
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std::string IRKelvinatorAC::toString() {
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std::string result = "";
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#endif // ARDUINO
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result += "Power: ";
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if (getPower())
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result += "On";
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else
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result += "Off";
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result += ", Mode: " + uint64ToString(getMode());
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switch (getMode()) {
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case KELVINATOR_AUTO:
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result += " (AUTO)";
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break;
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case KELVINATOR_COOL:
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result += " (COOL)";
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break;
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case KELVINATOR_HEAT:
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result += " (HEAT)";
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break;
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case KELVINATOR_DRY:
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result += " (DRY)";
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break;
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case KELVINATOR_FAN:
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result += " (FAN)";
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break;
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default:
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result += " (UNKNOWN)";
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}
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result += ", Temp: " + uint64ToString(getTemp()) + "C";
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result += ", Fan: " + uint64ToString(getFan());
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switch (getFan()) {
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case KELVINATOR_FAN_AUTO:
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result += " (AUTO)";
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break;
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case KELVINATOR_FAN_MAX:
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result += " (MAX)";
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break;
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}
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result += ", Turbo: ";
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if (getTurbo())
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result += "On";
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else
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result += "Off";
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result += ", Quiet: ";
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if (getQuiet())
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result += "On";
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else
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result += "Off";
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result += ", XFan: ";
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if (getXFan())
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result += "On";
|
|
else
|
|
result += "Off";
|
|
result += ", IonFilter: ";
|
|
if (getIonFilter())
|
|
result += "On";
|
|
else
|
|
result += "Off";
|
|
result += ", Light: ";
|
|
if (getLight())
|
|
result += "On";
|
|
else
|
|
result += "Off";
|
|
result += ", Swing (Horizontal): ";
|
|
if (getSwingHorizontal())
|
|
result += "On";
|
|
else
|
|
result += "Off";
|
|
result += ", Swing (Vertical): ";
|
|
if (getSwingVertical())
|
|
result += "On";
|
|
else
|
|
result += "Off";
|
|
return result;
|
|
}
|
|
|
|
#if DECODE_KELVINATOR
|
|
// Decode the supplied Kelvinator message.
|
|
//
|
|
// Args:
|
|
// results: Ptr to the data to decode and where to store the decode result.
|
|
// nbits: The number of data bits to expect. Typically KELVINATOR_BITS.
|
|
// strict: Flag indicating if we should perform strict matching.
|
|
// Returns:
|
|
// boolean: True if it can decode it, false if it can't.
|
|
//
|
|
// Status: ALPHA / Untested.
|
|
bool IRrecv::decodeKelvinator(decode_results *results, uint16_t nbits,
|
|
bool strict) {
|
|
if (results->rawlen < 2 * (nbits + KELVINATOR_CMD_FOOTER_BITS) +
|
|
(HEADER + FOOTER + 1) * 2 - 1)
|
|
return false; // Can't possibly be a valid Kelvinator message.
|
|
if (strict && nbits != KELVINATOR_BITS)
|
|
return false; // Not strictly a Kelvinator message.
|
|
|
|
uint32_t data;
|
|
uint16_t offset = OFFSET_START;
|
|
|
|
// There are two messages back-to-back in a full Kelvinator IR message
|
|
// sequence.
|
|
int8_t state_pos = 0;
|
|
for (uint8_t s = 0; s < 2; s++) {
|
|
match_result_t data_result;
|
|
|
|
// Header
|
|
if (!matchMark(results->rawbuf[offset], KELVINATOR_HDR_MARK)) return false;
|
|
// Calculate how long the lowest tick time is based on the header mark.
|
|
uint32_t mark_tick = results->rawbuf[offset++] * RAWTICK /
|
|
KELVINATOR_HDR_MARK_TICKS;
|
|
if (!matchSpace(results->rawbuf[offset], KELVINATOR_HDR_SPACE))
|
|
return false;
|
|
// Calculate how long the common tick time is based on the header space.
|
|
uint32_t space_tick = results->rawbuf[offset++] * RAWTICK /
|
|
KELVINATOR_HDR_SPACE_TICKS;
|
|
|
|
// Data (Command) (32 bits)
|
|
data_result = matchData(&(results->rawbuf[offset]), 32,
|
|
KELVINATOR_BIT_MARK_TICKS * mark_tick,
|
|
KELVINATOR_ONE_SPACE_TICKS * space_tick,
|
|
KELVINATOR_BIT_MARK_TICKS * mark_tick,
|
|
KELVINATOR_ZERO_SPACE_TICKS * space_tick);
|
|
if (data_result.success == false) return false;
|
|
data = data_result.data;
|
|
offset += data_result.used;
|
|
|
|
// Record command data in the state.
|
|
for (int i = state_pos + 3; i >= state_pos; i--, data >>= 8)
|
|
results->state[i] = reverseBits(data & 0xFF, 8);
|
|
state_pos += 4;
|
|
|
|
// Command data footer (3 bits, B010)
|
|
data_result = matchData(&(results->rawbuf[offset]),
|
|
KELVINATOR_CMD_FOOTER_BITS,
|
|
KELVINATOR_BIT_MARK_TICKS * mark_tick,
|
|
KELVINATOR_ONE_SPACE_TICKS * space_tick,
|
|
KELVINATOR_BIT_MARK_TICKS * mark_tick,
|
|
KELVINATOR_ZERO_SPACE_TICKS * space_tick);
|
|
if (data_result.success == false) return false;
|
|
if (data_result.data != KELVINATOR_CMD_FOOTER) return false;
|
|
offset += data_result.used;
|
|
|
|
// Interdata gap.
|
|
if (!matchMark(results->rawbuf[offset++],
|
|
KELVINATOR_BIT_MARK_TICKS * mark_tick))
|
|
return false;
|
|
if (!matchSpace(results->rawbuf[offset++],
|
|
KELVINATOR_GAP_SPACE_TICKS * space_tick))
|
|
return false;
|
|
|
|
// Data (Options) (32 bits)
|
|
data_result = matchData(&(results->rawbuf[offset]), 32,
|
|
KELVINATOR_BIT_MARK_TICKS * mark_tick,
|
|
KELVINATOR_ONE_SPACE_TICKS * space_tick,
|
|
KELVINATOR_BIT_MARK_TICKS * mark_tick,
|
|
KELVINATOR_ZERO_SPACE_TICKS * space_tick);
|
|
if (data_result.success == false) return false;
|
|
data = data_result.data;
|
|
offset += data_result.used;
|
|
|
|
// Record option data in the state.
|
|
for (int i = state_pos + 3; i >= state_pos; i--, data >>= 8)
|
|
results->state[i] = reverseBits(data & 0xFF, 8);
|
|
state_pos += 4;
|
|
|
|
// Inter-sequence gap. (Double length gap)
|
|
if (!matchMark(results->rawbuf[offset++],
|
|
KELVINATOR_BIT_MARK_TICKS * mark_tick))
|
|
return false;
|
|
if (s == 0) {
|
|
if (!matchSpace(results->rawbuf[offset++],
|
|
KELVINATOR_GAP_SPACE_TICKS * space_tick * 2))
|
|
return false;
|
|
} else {
|
|
if (offset <= results->rawlen &&
|
|
!matchAtLeast(results->rawbuf[offset],
|
|
KELVINATOR_GAP_SPACE_TICKS * 2 * space_tick))
|
|
return false;
|
|
}
|
|
}
|
|
|
|
// Compliance
|
|
if (strict) {
|
|
// Correct size/length)
|
|
if (state_pos != KELVINATOR_STATE_LENGTH) return false;
|
|
// Verify the message's checksum is correct.
|
|
if (!IRKelvinatorAC::validChecksum(results->state)) return false;
|
|
}
|
|
|
|
// Success
|
|
results->decode_type = KELVINATOR;
|
|
results->bits = state_pos * 8;
|
|
// 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
|