569 lines
21 KiB
C++
569 lines
21 KiB
C++
// Copyright 2017 bwze, crankyoldgit
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/// @file
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/// @brief Support for Midea protocols.
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/// Midea added by crankyoldgit & bwze.
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/// send: bwze/crankyoldgit, decode: crankyoldgit
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/// @note SwingV has the function of an Ion Filter on Danby A/C units.
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/// @see https://docs.google.com/spreadsheets/d/1TZh4jWrx4h9zzpYUI9aYXMl1fYOiqu-xVuOOMqagxrs/edit?usp=sharing
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/// @see https://github.com/crankyoldgit/IRremoteESP8266/pull/1213
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#include "ir_Midea.h"
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#include "ir_NEC.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 "IRtext.h"
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#include "IRutils.h"
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// Constants
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const uint16_t kMideaTick = 80;
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const uint16_t kMideaBitMarkTicks = 7;
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const uint16_t kMideaBitMark = kMideaBitMarkTicks * kMideaTick;
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const uint16_t kMideaOneSpaceTicks = 21;
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const uint16_t kMideaOneSpace = kMideaOneSpaceTicks * kMideaTick;
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const uint16_t kMideaZeroSpaceTicks = 7;
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const uint16_t kMideaZeroSpace = kMideaZeroSpaceTicks * kMideaTick;
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const uint16_t kMideaHdrMarkTicks = 56;
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const uint16_t kMideaHdrMark = kMideaHdrMarkTicks * kMideaTick;
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const uint16_t kMideaHdrSpaceTicks = 56;
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const uint16_t kMideaHdrSpace = kMideaHdrSpaceTicks * kMideaTick;
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const uint16_t kMideaMinGapTicks =
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kMideaHdrMarkTicks + kMideaZeroSpaceTicks + kMideaBitMarkTicks;
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const uint16_t kMideaMinGap = kMideaMinGapTicks * kMideaTick;
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const uint8_t kMideaTolerance = 30; // Percent
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const uint16_t kMidea24MinGap = 13000; ///< uSecs
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using irutils::addBoolToString;
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using irutils::addFanToString;
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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::addTempToString;
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#if SEND_MIDEA
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/// Send a Midea message
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/// Status: Alpha / Needs testing against a real device.
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/// @param[in] data The message to be sent.
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/// @param[in] nbits The number of bits 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::sendMidea(uint64_t data, uint16_t nbits, uint16_t repeat) {
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if (nbits % 8 != 0) return; // nbits is required to be a multiple of 8.
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// Set IR carrier frequency
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enableIROut(38);
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for (uint16_t r = 0; r <= repeat; r++) {
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// The protocol sends the message, then follows up with an entirely
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// inverted payload.
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for (size_t inner_loop = 0; inner_loop < 2; inner_loop++) {
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// Header
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mark(kMideaHdrMark);
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space(kMideaHdrSpace);
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// Data
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// Break data into byte segments, starting at the Most Significant
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// Byte. Each byte then being sent normal, then followed inverted.
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for (uint16_t i = 8; i <= nbits; i += 8) {
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// Grab a bytes worth of data.
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uint8_t segment = (data >> (nbits - i)) & 0xFF;
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sendData(kMideaBitMark, kMideaOneSpace, kMideaBitMark, kMideaZeroSpace,
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segment, 8, true);
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}
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// Footer
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mark(kMideaBitMark);
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space(kMideaMinGap); // Pause before repeating
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// Invert the data for the 2nd phase of the message.
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// As we get called twice in the inner loop, we will always revert
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// to the original 'data' state.
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data = ~data;
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}
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}
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}
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#endif // SEND_MIDEA
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// Code to emulate Midea A/C IR remote control unit.
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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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IRMideaAC::IRMideaAC(const uint16_t pin, const bool inverted,
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const bool use_modulation)
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: _irsend(pin, inverted, use_modulation) { this->stateReset(); }
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/// Reset the state of the remote to a known good state/sequence.
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void IRMideaAC::stateReset(void) {
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// Power On, Mode Auto, Fan Auto, Temp = 25C/77F
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_.remote_state = 0xA1826FFFFF62;
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_SwingVToggle = false;
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_EconoToggle = false;
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}
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/// Set up hardware to be able to send a message.
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void IRMideaAC::begin(void) { _irsend.begin(); }
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#if SEND_MIDEA
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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 IRMideaAC::send(const uint16_t repeat) {
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_irsend.sendMidea(getRaw(), kMideaBits, repeat);
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// Handle toggling the swing & econo mode if we need to.
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if (_SwingVToggle && !isSwingVToggle())
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_irsend.sendMidea(kMideaACToggleSwingV, kMideaBits, repeat);
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if (_EconoToggle && !isEconoToggle())
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_irsend.sendMidea(kMideaACToggleEcono, kMideaBits, repeat);
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// The toggle messages has been sent, so reset.
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_SwingVToggle = false;
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_EconoToggle = false;
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}
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#endif // SEND_MIDEA
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/// Get a copy of the internal state/code for this protocol.
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/// @return The code for this protocol based on the current internal state.
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uint64_t IRMideaAC::getRaw(void) {
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checksum(); // Ensure correct checksum before sending.
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return _.remote_state;
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}
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/// Set the internal state from a valid code for this protocol.
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/// @param[in] newState A valid code for this protocol.
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void IRMideaAC::setRaw(const uint64_t newState) { _.remote_state = newState; }
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/// Set the requested power state of the A/C to on.
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void IRMideaAC::on(void) { setPower(true); }
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/// Set the requested power state of the A/C to off.
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void IRMideaAC::off(void) { setPower(false); }
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/// Change the power setting.
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/// @param[in] on true, the setting is on. false, the setting is off.
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void IRMideaAC::setPower(const bool on) {
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_.Power = on;
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}
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/// Get the value of the current power setting.
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/// @return true, the setting is on. false, the setting is off.
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bool IRMideaAC::getPower(void) const {
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return _.Power;
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}
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/// Is the device currently using Celsius or the Fahrenheit temp scale?
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/// @return true, the A/C unit uses Celsius natively, false, is Fahrenheit.
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bool IRMideaAC::getUseCelsius(void) const {
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return !_.useFahrenheit;
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}
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/// Set the A/C unit to use Celsius natively.
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/// @param[in] on true, the setting is on. false, the setting is off.
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void IRMideaAC::setUseCelsius(const bool on) {
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if (on == _.useFahrenheit) { // We need to change.
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uint8_t native_temp = getTemp(!on); // Get the old native temp.
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_.useFahrenheit = !on; // Cleared is on.
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setTemp(native_temp, !on); // Reset temp using the old native temp.
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}
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}
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/// Set the temperature.
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/// @param[in] temp The temperature in degrees celsius.
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/// @param[in] useCelsius true, use the Celsius temp scale. false, is Fahrenheit
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void IRMideaAC::setTemp(const uint8_t temp, const bool useCelsius) {
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uint8_t max_temp = kMideaACMaxTempF;
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uint8_t min_temp = kMideaACMinTempF;
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if (useCelsius) {
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max_temp = kMideaACMaxTempC;
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min_temp = kMideaACMinTempC;
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}
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uint8_t new_temp = std::min(max_temp, std::max(min_temp, temp));
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if (!_.useFahrenheit && !useCelsius) // Native is in C, new_temp is in F
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new_temp = fahrenheitToCelsius(new_temp) - kMideaACMinTempC;
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else if (_.useFahrenheit && useCelsius) // Native is in F, new_temp is in C
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new_temp = celsiusToFahrenheit(new_temp) - kMideaACMinTempF;
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else // Native and desired are the same units.
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new_temp -= min_temp;
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// Set the actual data.
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_.Temp = new_temp;
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}
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/// Get the current temperature setting.
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/// @param[in] celsius true, the results are in Celsius. false, in Fahrenheit.
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/// @return The current setting for temp. in the requested units/scale.
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uint8_t IRMideaAC::getTemp(const bool celsius) const {
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uint8_t temp = _.Temp;
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if (!_.useFahrenheit)
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temp += kMideaACMinTempC;
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else
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temp += kMideaACMinTempF;
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if (celsius && _.useFahrenheit) temp = fahrenheitToCelsius(temp) + 0.5;
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if (!celsius && !_.useFahrenheit) temp = celsiusToFahrenheit(temp);
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return temp;
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}
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/// Set the speed of the fan.
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/// @param[in] fan The desired setting. 1-3 set the speed, 0 for auto.
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void IRMideaAC::setFan(const uint8_t fan) {
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_.Fan = (fan > kMideaACFanHigh) ? kMideaACFanAuto : fan;
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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 IRMideaAC::getFan(void) const {
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return _.Fan;
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}
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/// Get the operating mode setting of the A/C.
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/// @return The current operating mode setting.
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uint8_t IRMideaAC::getMode(void) const {
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return _.Mode;
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}
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/// Set the operating mode of the A/C.
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/// @param[in] mode The desired operating mode.
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void IRMideaAC::setMode(const uint8_t mode) {
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switch (mode) {
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case kMideaACAuto:
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case kMideaACCool:
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case kMideaACHeat:
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case kMideaACDry:
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case kMideaACFan:
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_.Mode = mode;
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break;
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default:
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_.Mode = kMideaACAuto;
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}
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}
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/// Set the Sleep setting of the A/C.
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/// @param[in] on true, the setting is on. false, the setting is off.
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void IRMideaAC::setSleep(const bool on) {
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_.Sleep = on;
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}
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/// Get the Sleep setting of the A/C.
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/// @return true, the setting is on. false, the setting is off.
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bool IRMideaAC::getSleep(void) const {
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return _.Sleep;
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}
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/// Set the A/C to toggle the vertical swing toggle for the next send.
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/// @note On Danby A/C units, this is associated with the Ion Filter instead.
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/// @param[in] on true, the setting is on. false, the setting is off.
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void IRMideaAC::setSwingVToggle(const bool on) { _SwingVToggle = on; }
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/// Is the current state a vertical swing toggle message?
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/// @note On Danby A/C units, this is associated with the Ion Filter instead.
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/// @return true, it is. false, it isn't.
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bool IRMideaAC::isSwingVToggle(void) const {
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return _.remote_state == kMideaACToggleSwingV;
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}
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// Get the vertical swing toggle state of the A/C.
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/// @note On Danby A/C units, this is associated with the Ion Filter instead.
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/// @return true, the setting is on. false, the setting is off.
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bool IRMideaAC::getSwingVToggle(void) {
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_SwingVToggle |= isSwingVToggle();
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return _SwingVToggle;
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}
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/// Set the A/C to toggle the Econo (energy saver) mode for the next send.
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/// @param[in] on true, the setting is on. false, the setting is off.
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void IRMideaAC::setEconoToggle(const bool on) { _EconoToggle = on; }
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/// Is the current state an Econo (energy saver) toggle message?
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/// @return true, it is. false, it isn't.
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bool IRMideaAC::isEconoToggle(void) const {
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return _.remote_state == kMideaACToggleEcono;
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}
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// Get the Econo (energy saver) toggle state of the A/C.
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/// @return true, the setting is on. false, the setting is off.
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bool IRMideaAC::getEconoToggle(void) {
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_EconoToggle |= isEconoToggle();
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return _EconoToggle;
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}
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/// Calculate the checksum for a given state.
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/// @param[in] state The value to calc the checksum of.
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/// @return The calculated checksum value.
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uint8_t IRMideaAC::calcChecksum(const uint64_t state) {
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uint8_t sum = 0;
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uint64_t temp_state = state;
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for (uint8_t i = 0; i < 5; i++) {
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temp_state >>= 8;
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sum += reverseBits((temp_state & 0xFF), 8);
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}
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sum = 256 - sum;
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return reverseBits(sum, 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 state to verify the checksum of.
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/// @return true, if the state has a valid checksum. Otherwise, false.
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bool IRMideaAC::validChecksum(const uint64_t state) {
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return GETBITS64(state, 0, 8) == calcChecksum(state);
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}
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/// Calculate & set the checksum for the current internal state of the remote.
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void IRMideaAC::checksum(void) {
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// Stored the checksum value in the last byte.
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_.Sum = calcChecksum(_.remote_state);
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}
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/// Convert a stdAc::opmode_t enum into its native mode.
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/// @param[in] mode The enum to be converted.
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/// @return The native equivilant of the enum.
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uint8_t IRMideaAC::convertMode(const stdAc::opmode_t mode) {
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switch (mode) {
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case stdAc::opmode_t::kCool: return kMideaACCool;
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case stdAc::opmode_t::kHeat: return kMideaACHeat;
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case stdAc::opmode_t::kDry: return kMideaACDry;
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case stdAc::opmode_t::kFan: return kMideaACFan;
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default: return kMideaACAuto;
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}
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}
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/// Convert a stdAc::fanspeed_t enum into it's native speed.
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/// @param[in] speed The enum to be converted.
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/// @return The native equivilant of the enum.
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uint8_t IRMideaAC::convertFan(const stdAc::fanspeed_t speed) {
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switch (speed) {
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case stdAc::fanspeed_t::kMin:
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case stdAc::fanspeed_t::kLow: return kMideaACFanLow;
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case stdAc::fanspeed_t::kMedium: return kMideaACFanMed;
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case stdAc::fanspeed_t::kHigh:
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case stdAc::fanspeed_t::kMax: return kMideaACFanHigh;
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default: return kMideaACFanAuto;
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}
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}
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/// Convert a native mode into its stdAc equivilant.
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/// @param[in] mode The native setting to be converted.
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/// @return The stdAc equivilant of the native setting.
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stdAc::opmode_t IRMideaAC::toCommonMode(const uint8_t mode) {
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switch (mode) {
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case kMideaACCool: return stdAc::opmode_t::kCool;
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case kMideaACHeat: return stdAc::opmode_t::kHeat;
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case kMideaACDry: return stdAc::opmode_t::kDry;
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case kMideaACFan: 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 into its stdAc equivilant.
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/// @param[in] speed The native setting to be converted.
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/// @return The stdAc equivilant of the native setting.
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stdAc::fanspeed_t IRMideaAC::toCommonFanSpeed(const uint8_t speed) {
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switch (speed) {
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case kMideaACFanHigh: return stdAc::fanspeed_t::kMax;
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case kMideaACFanMed: return stdAc::fanspeed_t::kMedium;
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case kMideaACFanLow: return stdAc::fanspeed_t::kMin;
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default: return stdAc::fanspeed_t::kAuto;
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}
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}
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/// Convert the current internal state into its stdAc::state_t equivilant.
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/// @param[in] prev A Ptr to the previous state.
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/// @return The stdAc equivilant of the native settings.
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stdAc::state_t IRMideaAC::toCommon(const stdAc::state_t *prev) {
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stdAc::state_t result;
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if (prev != NULL) {
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result = *prev;
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} else {
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// Fixed/Not supported/Non-zero defaults.
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result.protocol = decode_type_t::MIDEA;
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result.model = -1; // No models used.
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result.swingh = stdAc::swingh_t::kOff;
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result.swingv = stdAc::swingv_t::kOff;
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result.quiet = false;
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result.turbo = false;
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result.clean = false;
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result.econo = false;
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result.filter = false;
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result.light = 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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}
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if (isSwingVToggle()) {
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result.swingv = (result.swingv != stdAc::swingv_t::kOff) ?
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stdAc::swingv_t::kAuto : stdAc::swingv_t::kOff;
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return result;
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}
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result.power = _.Power;
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result.mode = toCommonMode(_.Mode);
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result.celsius = !_.useFahrenheit;
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result.degrees = getTemp(result.celsius);
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result.fanspeed = toCommonFanSpeed(_.Fan);
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result.sleep = _.Sleep ? 0 : -1;
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result.econo = getEconoToggle();
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return result;
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}
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/// Convert the current internal state into a human readable string.
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/// @return A human readable string.
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String IRMideaAC::toString(void) {
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String result = "";
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result.reserve(100); // Reserve some heap for the string to reduce fragging.
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bool needComma = false;
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if (!isSwingVToggle() && !isEconoToggle()) {
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result += addBoolToString(_.Power, kPowerStr, false);
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result += addModeToString(_.Mode, kMideaACAuto, kMideaACCool,
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kMideaACHeat, kMideaACDry, kMideaACFan);
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result += addBoolToString(!_.useFahrenheit, kCelsiusStr);
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result += addTempToString(getTemp(true));
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result += '/';
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result += uint64ToString(getTemp(false));
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result += 'F';
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result += addFanToString(_.Fan, kMideaACFanHigh, kMideaACFanLow,
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kMideaACFanAuto, kMideaACFanAuto, kMideaACFanMed);
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result += addBoolToString(_.Sleep, kSleepStr);
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needComma = true;
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}
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result += addBoolToString(getSwingVToggle(), kSwingVToggleStr, needComma);
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result += addBoolToString(getEconoToggle(), kEconoToggleStr);
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return result;
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}
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#if DECODE_MIDEA
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/// Decode the supplied Midea message.
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/// Status: Alpha / Needs testing against a real device.
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/// @param[in,out] results Ptr to the data to decode & where to store the result
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/// @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.
|
|
/// Typically kHitachiAcBits, kHitachiAc1Bits, kHitachiAc2Bits,
|
|
/// kHitachiAc344Bits
|
|
/// @param[in] strict Flag indicating if we should perform strict matching.
|
|
bool IRrecv::decodeMidea(decode_results *results, uint16_t offset,
|
|
const uint16_t nbits, const bool strict) {
|
|
uint8_t min_nr_of_messages = 1;
|
|
if (strict) {
|
|
if (nbits != kMideaBits) return false; // Not strictly a MIDEA message.
|
|
min_nr_of_messages = 2;
|
|
}
|
|
|
|
// The protocol sends the data normal + inverted, alternating on
|
|
// each byte. Hence twice the number of expected data bits.
|
|
if (results->rawlen <
|
|
min_nr_of_messages * (2 * nbits + kHeader + kFooter) - 1 + offset)
|
|
return false; // Can't possibly be a valid MIDEA message.
|
|
|
|
uint64_t data = 0;
|
|
uint64_t inverted = 0;
|
|
|
|
if (nbits > sizeof(data) * 8)
|
|
return false; // We can't possibly capture a Midea packet that big.
|
|
|
|
for (uint8_t i = 0; i < min_nr_of_messages; i++) {
|
|
// Match Header + Data + Footer
|
|
uint16_t used;
|
|
used = matchGeneric(results->rawbuf + offset, i % 2 ? &inverted : &data,
|
|
results->rawlen - offset, nbits,
|
|
kMideaHdrMark, kMideaHdrSpace,
|
|
kMideaBitMark, kMideaOneSpace,
|
|
kMideaBitMark, kMideaZeroSpace,
|
|
kMideaBitMark, kMideaMinGap, false, kMideaTolerance);
|
|
if (!used) return false;
|
|
offset += used;
|
|
}
|
|
|
|
// Compliance
|
|
if (strict) {
|
|
// Protocol requires a second message with all the data bits inverted.
|
|
// We should have checked we got a second message in the previous loop.
|
|
// Just need to check it's value is an inverted copy of the first message.
|
|
uint64_t mask = (1ULL << kMideaBits) - 1;
|
|
if ((data & mask) != ((inverted ^ mask) & mask)) return false;
|
|
if (!IRMideaAC::validChecksum(data)) return false;
|
|
}
|
|
|
|
// Success
|
|
results->decode_type = MIDEA;
|
|
results->bits = nbits;
|
|
results->value = data;
|
|
results->address = 0;
|
|
results->command = 0;
|
|
return true;
|
|
}
|
|
#endif // DECODE_MIDEA
|
|
|
|
#if SEND_MIDEA24
|
|
/// Send a Midea24 formatted message.
|
|
/// Status: STABLE / Confirmed working on a real device.
|
|
/// @param[in] data The message to be sent.
|
|
/// @param[in] nbits The number of bits of message to be sent.
|
|
/// @param[in] repeat The number of times the command is to be repeated.
|
|
/// @see https://github.com/crankyoldgit/IRremoteESP8266/issues/1170
|
|
/// @note This protocol is basically a 48-bit version of the NEC protocol with
|
|
/// alternate bytes inverted, thus only 24 bits of real data, and with at
|
|
/// least a single repeat.
|
|
/// @warning Can't be used beyond 32 bits.
|
|
void IRsend::sendMidea24(const uint64_t data, const uint16_t nbits,
|
|
const uint16_t repeat) {
|
|
uint64_t newdata = 0;
|
|
// Construct the data into bye & inverted byte pairs.
|
|
for (int16_t i = nbits - 8; i >= 0; i -= 8) {
|
|
// Shuffle the data to be sent so far.
|
|
newdata <<= 16;
|
|
uint8_t next = GETBITS64(data, i, 8);
|
|
newdata |= ((next << 8) | (next ^ 0xFF));
|
|
}
|
|
sendNEC(newdata, nbits * 2, repeat);
|
|
}
|
|
#endif // SEND_MIDEA24
|
|
|
|
#if DECODE_MIDEA24
|
|
/// Decode the supplied Midea24 message.
|
|
/// Status: STABLE / Confirmed working on a real device.
|
|
/// @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.
|
|
/// @note This protocol is basically a 48-bit version of the NEC protocol with
|
|
/// alternate bytes inverted, thus only 24 bits of real data.
|
|
/// @warning Can't be used beyond 32 bits.
|
|
bool IRrecv::decodeMidea24(decode_results *results, uint16_t offset,
|
|
const uint16_t nbits, const bool strict) {
|
|
// Not strictly a MIDEA24 message.
|
|
if (strict && nbits != kMidea24Bits) return false;
|
|
if (nbits > 32) return false; // Can't successfully match something that big.
|
|
|
|
uint64_t longdata = 0;
|
|
if (!matchGeneric(results->rawbuf + offset, &longdata,
|
|
results->rawlen - offset, nbits * 2,
|
|
kNecHdrMark, kNecHdrSpace,
|
|
kNecBitMark, kNecOneSpace,
|
|
kNecBitMark, kNecZeroSpace,
|
|
kNecBitMark, kMidea24MinGap, true)) return false;
|
|
|
|
// Build the result by checking every second byte is a complement(inversion)
|
|
// of the previous one.
|
|
uint32_t data = 0;
|
|
for (uint8_t i = nbits * 2; i >= 16;) {
|
|
// Shuffle the data collected so far.
|
|
data <<= 8;
|
|
i -= 8;
|
|
uint8_t current = GETBITS64(longdata, i, 8);
|
|
i -= 8;
|
|
uint8_t next = GETBITS64(longdata, i, 8);
|
|
// Check they are an inverted pair.
|
|
if (current != (next ^ 0xFF)) return false; // They are not, so abort.
|
|
data |= current;
|
|
}
|
|
|
|
// Success
|
|
results->decode_type = decode_type_t::MIDEA24;
|
|
results->bits = nbits;
|
|
results->value = data;
|
|
results->address = 0;
|
|
results->command = 0;
|
|
return true;
|
|
}
|
|
#endif // DECODE_MIDEA24
|