Added support for Hitachi AC424 remote type (#2101)

CODEOWNERS

@@ -48,6 +48,7 @@ esphome/components/globals/* @esphome/core
 esphome/components/gpio/* @esphome/core
 esphome/components/gps/* @coogle
 esphome/components/havells_solar/* @sourabhjaiswal
+esphome/components/hitachi_ac424/* @sourabhjaiswal
 esphome/components/homeassistant/* @OttoWinter
 esphome/components/hrxl_maxsonar_wr/* @netmikey
 esphome/components/i2c/* @esphome/core

esphome/components/hitachi_ac424/__init__.py

@@ -0,0 +1 @@
+CODEOWNERS = ["@sourabhjaiswal"]

esphome/components/hitachi_ac424/climate.py

@@ -0,0 +1,20 @@
+import esphome.codegen as cg
+import esphome.config_validation as cv
+from esphome.components import climate_ir
+from esphome.const import CONF_ID
+
+AUTO_LOAD = ["climate_ir"]
+
+hitachi_ac424_ns = cg.esphome_ns.namespace("hitachi_ac424")
+HitachiClimate = hitachi_ac424_ns.class_("HitachiClimate", climate_ir.ClimateIR)
+
+CONFIG_SCHEMA = climate_ir.CLIMATE_IR_WITH_RECEIVER_SCHEMA.extend(
+    {
+        cv.GenerateID(): cv.declare_id(HitachiClimate),
+    }
+)
+
+
+async def to_code(config):
+    var = cg.new_Pvariable(config[CONF_ID])
+    await climate_ir.register_climate_ir(var, config)

esphome/components/hitachi_ac424/hitachi_ac424.cpp

@@ -0,0 +1,368 @@
+#include "hitachi_ac424.h"
+
+namespace esphome {
+namespace hitachi_ac424 {
+
+static const char *const TAG = "climate.hitachi_ac424";
+
+void set_bits(uint8_t *const dst, const uint8_t offset, const uint8_t nbits, const uint8_t data) {
+  if (offset >= 8 || !nbits)
+    return;  // Short circuit as it won't change.
+  // Calculate the mask for the supplied value.
+  uint8_t mask = UINT8_MAX >> (8 - ((nbits > 8) ? 8 : nbits));
+  // Calculate the mask & clear the space for the data.
+  // Clear the destination bits.
+  *dst &= ~(uint8_t)(mask << offset);
+  // Merge in the data.
+  *dst |= ((data & mask) << offset);
+}
+
+void set_bit(uint8_t *const data, const uint8_t position, const bool on) {
+  uint8_t mask = 1 << position;
+  if (on)
+    *data |= mask;
+  else
+    *data &= ~mask;
+}
+
+uint8_t *invert_byte_pairs(uint8_t *ptr, const uint16_t length) {
+  for (uint16_t i = 1; i < length; i += 2) {
+    // Code done this way to avoid a compiler warning bug.
+    uint8_t inv = ~*(ptr + i - 1);
+    *(ptr + i) = inv;
+  }
+  return ptr;
+}
+
+bool HitachiClimate::get_power_() { return remote_state_[HITACHI_AC424_POWER_BYTE] == HITACHI_AC424_POWER_ON; }
+
+void HitachiClimate::set_power_(bool on) {
+  set_button_(HITACHI_AC424_BUTTON_POWER);
+  remote_state_[HITACHI_AC424_POWER_BYTE] = on ? HITACHI_AC424_POWER_ON : HITACHI_AC424_POWER_OFF;
+}
+
+uint8_t HitachiClimate::get_mode_() { return remote_state_[HITACHI_AC424_MODE_BYTE] & 0xF; }
+
+void HitachiClimate::set_mode_(uint8_t mode) {
+  uint8_t new_mode = mode;
+  switch (mode) {
+    // Fan mode sets a special temp.
+    case HITACHI_AC424_MODE_FAN:
+      set_temp_(HITACHI_AC424_TEMP_FAN, false);
+      break;
+    case HITACHI_AC424_MODE_HEAT:
+    case HITACHI_AC424_MODE_COOL:
+    case HITACHI_AC424_MODE_DRY:
+      break;
+    default:
+      new_mode = HITACHI_AC424_MODE_COOL;
+  }
+  set_bits(&remote_state_[HITACHI_AC424_MODE_BYTE], 0, 4, new_mode);
+  if (new_mode != HITACHI_AC424_MODE_FAN)
+    set_temp_(previous_temp_);
+  set_fan_(get_fan_());  // Reset the fan speed after the mode change.
+  set_power_(true);
+}
+
+void HitachiClimate::set_temp_(uint8_t celsius, bool set_previous) {
+  uint8_t temp;
+  temp = std::min(celsius, HITACHI_AC424_TEMP_MAX);
+  temp = std::max(temp, HITACHI_AC424_TEMP_MIN);
+  set_bits(&remote_state_[HITACHI_AC424_TEMP_BYTE], HITACHI_AC424_TEMP_OFFSET, HITACHI_AC424_TEMP_SIZE, temp);
+  if (previous_temp_ > temp)
+    set_button_(HITACHI_AC424_BUTTON_TEMP_DOWN);
+  else if (previous_temp_ < temp)
+    set_button_(HITACHI_AC424_BUTTON_TEMP_UP);
+  if (set_previous)
+    previous_temp_ = temp;
+}
+
+uint8_t HitachiClimate::get_fan_() { return remote_state_[HITACHI_AC424_FAN_BYTE] >> 4 & 0xF; }
+
+void HitachiClimate::set_fan_(uint8_t speed) {
+  uint8_t new_speed = std::max(speed, HITACHI_AC424_FAN_MIN);
+  uint8_t fan_max = HITACHI_AC424_FAN_MAX;
+
+  // Only 2 x low speeds in Dry mode or Auto
+  if (get_mode_() == HITACHI_AC424_MODE_DRY && speed == HITACHI_AC424_FAN_AUTO) {
+    fan_max = HITACHI_AC424_FAN_AUTO;
+  } else if (get_mode_() == HITACHI_AC424_MODE_DRY) {
+    fan_max = HITACHI_AC424_FAN_MAX_DRY;
+  } else if (get_mode_() == HITACHI_AC424_MODE_FAN && speed == HITACHI_AC424_FAN_AUTO) {
+    // Fan Mode does not have auto. Set to safe low
+    new_speed = HITACHI_AC424_FAN_MIN;
+  }
+
+  new_speed = std::min(new_speed, fan_max);
+  // Handle the setting the button value if we are going to change the value.
+  if (new_speed != get_fan_())
+    set_button_(HITACHI_AC424_BUTTON_FAN);
+  // Set the values
+
+  set_bits(&remote_state_[HITACHI_AC424_FAN_BYTE], 4, 4, new_speed);
+  remote_state_[9] = 0x92;
+
+  // When fan is at min/max, additional bytes seem to be set
+  if (new_speed == HITACHI_AC424_FAN_MIN)
+    remote_state_[9] = 0x98;
+  remote_state_[29] = 0x01;
+}
+
+void HitachiClimate::set_swing_v_toggle_(bool on) {
+  uint8_t button = get_button_();  // Get the current button value.
+  if (on)
+    button = HITACHI_AC424_BUTTON_SWINGV;          // Set the button to SwingV.
+  else if (button == HITACHI_AC424_BUTTON_SWINGV)  // Asked to unset it
+    // It was set previous, so use Power as a default
+    button = HITACHI_AC424_BUTTON_POWER;
+  set_button_(button);
+}
+
+bool HitachiClimate::get_swing_v_toggle_() { return get_button_() == HITACHI_AC424_BUTTON_SWINGV; }
+
+void HitachiClimate::set_swing_v_(bool on) {
+  set_swing_v_toggle_(on);  // Set the button value.
+  set_bit(&remote_state_[HITACHI_AC424_SWINGV_BYTE], HITACHI_AC424_SWINGV_OFFSET, on);
+}
+
+bool HitachiClimate::get_swing_v_() {
+  return HITACHI_AC424_GETBIT8(remote_state_[HITACHI_AC424_SWINGV_BYTE], HITACHI_AC424_SWINGV_OFFSET);
+}
+
+void HitachiClimate::set_swing_h_(uint8_t position) {
+  if (position > HITACHI_AC424_SWINGH_LEFT_MAX)
+    return set_swing_h_(HITACHI_AC424_SWINGH_MIDDLE);
+  set_bits(&remote_state_[HITACHI_AC424_SWINGH_BYTE], HITACHI_AC424_SWINGH_OFFSET, HITACHI_AC424_SWINGH_SIZE, position);
+  set_button_(HITACHI_AC424_BUTTON_SWINGH);
+}
+
+uint8_t HitachiClimate::get_swing_h_() {
+  return HITACHI_AC424_GETBITS8(remote_state_[HITACHI_AC424_SWINGH_BYTE], HITACHI_AC424_SWINGH_OFFSET,
+                                HITACHI_AC424_SWINGH_SIZE);
+}
+
+uint8_t HitachiClimate::get_button_() { return remote_state_[HITACHI_AC424_BUTTON_BYTE]; }
+
+void HitachiClimate::set_button_(uint8_t button) { remote_state_[HITACHI_AC424_BUTTON_BYTE] = button; }
+
+void HitachiClimate::transmit_state() {
+  switch (this->mode) {
+    case climate::CLIMATE_MODE_COOL:
+      set_mode_(HITACHI_AC424_MODE_COOL);
+      break;
+    case climate::CLIMATE_MODE_DRY:
+      set_mode_(HITACHI_AC424_MODE_DRY);
+      break;
+    case climate::CLIMATE_MODE_HEAT:
+      set_mode_(HITACHI_AC424_MODE_HEAT);
+      break;
+    case climate::CLIMATE_MODE_HEAT_COOL:
+      set_mode_(HITACHI_AC424_MODE_AUTO);
+      break;
+    case climate::CLIMATE_MODE_FAN_ONLY:
+      set_mode_(HITACHI_AC424_MODE_FAN);
+      break;
+    case climate::CLIMATE_MODE_OFF:
+      set_power_(false);
+      break;
+    default:
+      ESP_LOGW(TAG, "Unsupported mode: %s", climate_mode_to_string(this->mode));
+  }
+
+  set_temp_(static_cast<uint8_t>(this->target_temperature));
+
+  switch (this->fan_mode.value()) {
+    case climate::CLIMATE_FAN_LOW:
+      set_fan_(HITACHI_AC424_FAN_LOW);
+      break;
+    case climate::CLIMATE_FAN_MEDIUM:
+      set_fan_(HITACHI_AC424_FAN_MEDIUM);
+      break;
+    case climate::CLIMATE_FAN_HIGH:
+      set_fan_(HITACHI_AC424_FAN_HIGH);
+      break;
+    case climate::CLIMATE_FAN_ON:
+    case climate::CLIMATE_FAN_AUTO:
+    default:
+      set_fan_(HITACHI_AC424_FAN_AUTO);
+  }
+
+  switch (this->swing_mode) {
+    case climate::CLIMATE_SWING_BOTH:
+      set_swing_v_(true);
+      set_swing_h_(HITACHI_AC424_SWINGH_AUTO);
+      break;
+    case climate::CLIMATE_SWING_VERTICAL:
+      set_swing_v_(true);
+      set_swing_h_(HITACHI_AC424_SWINGH_MIDDLE);
+      break;
+    case climate::CLIMATE_SWING_HORIZONTAL:
+      set_swing_v_(false);
+      set_swing_h_(HITACHI_AC424_SWINGH_AUTO);
+      break;
+    case climate::CLIMATE_SWING_OFF:
+      set_swing_v_(false);
+      set_swing_h_(HITACHI_AC424_SWINGH_MIDDLE);
+      break;
+  }
+
+  // TODO: find change value to set button, now always set to power button
+  set_button_(HITACHI_AC424_BUTTON_POWER);
+
+  invert_byte_pairs(remote_state_ + 3, HITACHI_AC424_STATE_LENGTH - 3);
+
+  auto transmit = this->transmitter_->transmit();
+  auto data = transmit.get_data();
+  data->set_carrier_frequency(HITACHI_AC424_FREQ);
+
+  uint8_t repeat = 0;
+  for (uint8_t r = 0; r <= repeat; r++) {
+    // Header
+    data->item(HITACHI_AC424_HDR_MARK, HITACHI_AC424_HDR_SPACE);
+    // Data
+    for (uint8_t i : remote_state_) {
+      for (uint8_t j = 0; j < 8; j++) {
+        data->mark(HITACHI_AC424_BIT_MARK);
+        bool bit = i & (1 << j);
+        data->space(bit ? HITACHI_AC424_ONE_SPACE : HITACHI_AC424_ZERO_SPACE);
+      }
+    }
+    // Footer
+    data->item(HITACHI_AC424_BIT_MARK, HITACHI_AC424_MIN_GAP);
+  }
+  transmit.perform();
+
+  dump_state_("Sent", remote_state_);
+}
+
+bool HitachiClimate::parse_mode_(const uint8_t remote_state[]) {
+  uint8_t power = remote_state[HITACHI_AC424_POWER_BYTE];
+  ESP_LOGV(TAG, "Power: %02X %02X", remote_state[HITACHI_AC424_POWER_BYTE], power);
+  uint8_t mode = remote_state[HITACHI_AC424_MODE_BYTE] & 0xF;
+  ESP_LOGV(TAG, "Mode: %02X %02X", remote_state[HITACHI_AC424_MODE_BYTE], mode);
+  if (power == HITACHI_AC424_POWER_ON) {
+    switch (mode) {
+      case HITACHI_AC424_MODE_COOL:
+        this->mode = climate::CLIMATE_MODE_COOL;
+        break;
+      case HITACHI_AC424_MODE_DRY:
+        this->mode = climate::CLIMATE_MODE_DRY;
+        break;
+      case HITACHI_AC424_MODE_HEAT:
+        this->mode = climate::CLIMATE_MODE_HEAT;
+        break;
+      case HITACHI_AC424_MODE_AUTO:
+        this->mode = climate::CLIMATE_MODE_HEAT_COOL;
+        break;
+      case HITACHI_AC424_MODE_FAN:
+        this->mode = climate::CLIMATE_MODE_FAN_ONLY;
+        break;
+    }
+  } else {
+    this->mode = climate::CLIMATE_MODE_OFF;
+  }
+  return true;
+}
+
+bool HitachiClimate::parse_temperature_(const uint8_t remote_state[]) {
+  uint8_t temperature =
+      HITACHI_AC424_GETBITS8(remote_state[HITACHI_AC424_TEMP_BYTE], HITACHI_AC424_TEMP_OFFSET, HITACHI_AC424_TEMP_SIZE);
+  this->target_temperature = temperature;
+  ESP_LOGV(TAG, "Temperature: %02X %02u %04f", remote_state[HITACHI_AC424_TEMP_BYTE], temperature,
+           this->target_temperature);
+  return true;
+}
+
+bool HitachiClimate::parse_fan_(const uint8_t remote_state[]) {
+  uint8_t fan_mode = remote_state[HITACHI_AC424_FAN_BYTE] >> 4 & 0xF;
+  ESP_LOGV(TAG, "Fan: %02X %02X", remote_state[HITACHI_AC424_FAN_BYTE], fan_mode);
+  switch (fan_mode) {
+    case HITACHI_AC424_FAN_MIN:
+    case HITACHI_AC424_FAN_LOW:
+      this->fan_mode = climate::CLIMATE_FAN_LOW;
+      break;
+    case HITACHI_AC424_FAN_MEDIUM:
+      this->fan_mode = climate::CLIMATE_FAN_MEDIUM;
+      break;
+    case HITACHI_AC424_FAN_HIGH:
+    case HITACHI_AC424_FAN_MAX:
+      this->fan_mode = climate::CLIMATE_FAN_HIGH;
+      break;
+    case HITACHI_AC424_FAN_AUTO:
+      this->fan_mode = climate::CLIMATE_FAN_AUTO;
+      break;
+  }
+  return true;
+}
+
+bool HitachiClimate::parse_swing_(const uint8_t remote_state[]) {
+  uint8_t swing_modeh = HITACHI_AC424_GETBITS8(remote_state[HITACHI_AC424_SWINGH_BYTE], HITACHI_AC424_SWINGH_OFFSET,
+                                               HITACHI_AC424_SWINGH_SIZE);
+  ESP_LOGV(TAG, "SwingH: %02X %02X", remote_state[HITACHI_AC424_SWINGH_BYTE], swing_modeh);
+
+  if ((swing_modeh & 0x7) == 0x0) {
+    this->swing_mode = climate::CLIMATE_SWING_HORIZONTAL;
+  } else if ((swing_modeh & 0x3) == 0x3) {
+    this->swing_mode = climate::CLIMATE_SWING_OFF;
+  } else {
+    this->swing_mode = climate::CLIMATE_SWING_HORIZONTAL;
+  }
+
+  return true;
+}
+
+bool HitachiClimate::on_receive(remote_base::RemoteReceiveData data) {
+  // Validate header
+  if (!data.expect_item(HITACHI_AC424_HDR_MARK, HITACHI_AC424_HDR_SPACE)) {
+    ESP_LOGVV(TAG, "Header fail");
+    return false;
+  }
+
+  uint8_t recv_state[HITACHI_AC424_STATE_LENGTH] = {0};
+  // Read all bytes.
+  for (uint8_t pos = 0; pos < HITACHI_AC424_STATE_LENGTH; pos++) {
+    // Read bit
+    for (int8_t bit = 0; bit < 8; bit++) {
+      if (data.expect_item(HITACHI_AC424_BIT_MARK, HITACHI_AC424_ONE_SPACE))
+        recv_state[pos] |= 1 << bit;
+      else if (!data.expect_item(HITACHI_AC424_BIT_MARK, HITACHI_AC424_ZERO_SPACE)) {
+        ESP_LOGVV(TAG, "Byte %d bit %d fail", pos, bit);
+        return false;
+      }
+    }
+  }
+
+  // Validate footer
+  if (!data.expect_mark(HITACHI_AC424_BIT_MARK)) {
+    ESP_LOGVV(TAG, "Footer fail");
+    return false;
+  }
+
+  dump_state_("Recv", recv_state);
+
+  // parse mode
+  this->parse_mode_(recv_state);
+  // parse temperature
+  this->parse_temperature_(recv_state);
+  // parse fan
+  this->parse_fan_(recv_state);
+  // parse swingv
+  this->parse_swing_(recv_state);
+  this->publish_state();
+  for (uint8_t i = 0; i < HITACHI_AC424_STATE_LENGTH; i++)
+    remote_state_[i] = recv_state[i];
+
+  return true;
+}
+
+void HitachiClimate::dump_state_(const char action[], uint8_t state[]) {
+  for (uint16_t i = 0; i < HITACHI_AC424_STATE_LENGTH - 10; i += 10) {
+    ESP_LOGV(TAG, "%s: %02X %02X %02X %02X %02X  %02X %02X %02X %02X %02X", action, state[i + 0], state[i + 1],
+             state[i + 2], state[i + 3], state[i + 4], state[i + 5], state[i + 6], state[i + 7], state[i + 8],
+             state[i + 9]);
+  }
+  ESP_LOGV(TAG, "%s: %02X %02X %02X", action, state[40], state[41], state[42]);
+}
+
+}  // namespace hitachi_ac424
+}  // namespace esphome

esphome/components/hitachi_ac424/hitachi_ac424.h

@@ -0,0 +1,123 @@
+#pragma once
+
+#include "esphome/core/log.h"
+#include "esphome/components/climate_ir/climate_ir.h"
+
+namespace esphome {
+namespace hitachi_ac424 {
+
+const uint16_t HITACHI_AC424_HDR_MARK = 3416;   // ac
+const uint16_t HITACHI_AC424_HDR_SPACE = 1604;  // ac
+const uint16_t HITACHI_AC424_BIT_MARK = 463;
+const uint16_t HITACHI_AC424_ONE_SPACE = 1208;
+const uint16_t HITACHI_AC424_ZERO_SPACE = 372;
+const uint32_t HITACHI_AC424_MIN_GAP = 100000;  // just a guess.
+const uint16_t HITACHI_AC424_FREQ = 38000;      // Hz.
+
+const uint8_t HITACHI_AC424_BUTTON_BYTE = 11;
+const uint8_t HITACHI_AC424_BUTTON_POWER = 0x13;
+const uint8_t HITACHI_AC424_BUTTON_SLEEP = 0x31;
+const uint8_t HITACHI_AC424_BUTTON_MODE = 0x41;
+const uint8_t HITACHI_AC424_BUTTON_FAN = 0x42;
+const uint8_t HITACHI_AC424_BUTTON_TEMP_DOWN = 0x43;
+const uint8_t HITACHI_AC424_BUTTON_TEMP_UP = 0x44;
+const uint8_t HITACHI_AC424_BUTTON_SWINGV = 0x81;
+const uint8_t HITACHI_AC424_BUTTON_SWINGH = 0x8C;
+const uint8_t HITACHI_AC424_BUTTON_MILDEWPROOF = 0xE2;
+
+const uint8_t HITACHI_AC424_TEMP_BYTE = 13;
+const uint8_t HITACHI_AC424_TEMP_OFFSET = 2;
+const uint8_t HITACHI_AC424_TEMP_SIZE = 6;
+const uint8_t HITACHI_AC424_TEMP_MIN = 16;  // 16C
+const uint8_t HITACHI_AC424_TEMP_MAX = 32;  // 32C
+const uint8_t HITACHI_AC424_TEMP_FAN = 27;  // 27C
+
+const uint8_t HITACHI_AC424_TIMER_BYTE = 15;
+
+const uint8_t HITACHI_AC424_MODE_BYTE = 25;
+const uint8_t HITACHI_AC424_MODE_FAN = 1;
+const uint8_t HITACHI_AC424_MODE_COOL = 3;
+const uint8_t HITACHI_AC424_MODE_DRY = 5;
+const uint8_t HITACHI_AC424_MODE_HEAT = 6;
+const uint8_t HITACHI_AC424_MODE_AUTO = 14;
+const uint8_t HITACHI_AC424_MODE_POWERFUL = 19;
+
+const uint8_t HITACHI_AC424_FAN_BYTE = HITACHI_AC424_MODE_BYTE;
+const uint8_t HITACHI_AC424_FAN_MIN = 1;
+const uint8_t HITACHI_AC424_FAN_LOW = 2;
+const uint8_t HITACHI_AC424_FAN_MEDIUM = 3;
+const uint8_t HITACHI_AC424_FAN_HIGH = 4;
+const uint8_t HITACHI_AC424_FAN_AUTO = 5;
+const uint8_t HITACHI_AC424_FAN_MAX = 6;
+const uint8_t HITACHI_AC424_FAN_MAX_DRY = 2;
+
+const uint8_t HITACHI_AC424_POWER_BYTE = 27;
+const uint8_t HITACHI_AC424_POWER_ON = 0xF1;
+const uint8_t HITACHI_AC424_POWER_OFF = 0xE1;
+
+const uint8_t HITACHI_AC424_SWINGH_BYTE = 35;
+const uint8_t HITACHI_AC424_SWINGH_OFFSET = 0;     // Mask 0b00000xxx
+const uint8_t HITACHI_AC424_SWINGH_SIZE = 3;       // Mask 0b00000xxx
+const uint8_t HITACHI_AC424_SWINGH_AUTO = 0;       // 0b000
+const uint8_t HITACHI_AC424_SWINGH_RIGHT_MAX = 1;  // 0b001
+const uint8_t HITACHI_AC424_SWINGH_RIGHT = 2;      // 0b010
+const uint8_t HITACHI_AC424_SWINGH_MIDDLE = 3;     // 0b011
+const uint8_t HITACHI_AC424_SWINGH_LEFT = 4;       // 0b100
+const uint8_t HITACHI_AC424_SWINGH_LEFT_MAX = 5;   // 0b101
+
+const uint8_t HITACHI_AC424_SWINGV_BYTE = 37;
+const uint8_t HITACHI_AC424_SWINGV_OFFSET = 5;  // Mask 0b00x00000
+
+const uint8_t HITACHI_AC424_MILDEWPROOF_BYTE = HITACHI_AC424_SWINGV_BYTE;
+const uint8_t HITACHI_AC424_MILDEWPROOF_OFFSET = 2;  // Mask 0b00000x00
+
+const uint16_t HITACHI_AC424_STATE_LENGTH = 53;
+const uint16_t HITACHI_AC424_BITS = HITACHI_AC424_STATE_LENGTH * 8;
+
+#define HITACHI_AC424_GETBIT8(a, b) ((a) & ((uint8_t) 1 << (b)))
+#define HITACHI_AC424_GETBITS8(data, offset, size) \
+  (((data) & (((uint8_t) UINT8_MAX >> (8 - (size))) << (offset))) >> (offset))
+
+class HitachiClimate : public climate_ir::ClimateIR {
+ public:
+  HitachiClimate()
+      : climate_ir::ClimateIR(HITACHI_AC424_TEMP_MIN, HITACHI_AC424_TEMP_MAX, 1.0F, true, true,
+                              {climate::CLIMATE_FAN_AUTO, climate::CLIMATE_FAN_LOW, climate::CLIMATE_FAN_MEDIUM,
+                               climate::CLIMATE_FAN_HIGH},
+                              {climate::CLIMATE_SWING_OFF, climate::CLIMATE_SWING_HORIZONTAL}) {}
+
+ protected:
+  uint8_t remote_state_[HITACHI_AC424_STATE_LENGTH]{
+      0x01, 0x10, 0x00, 0x40, 0xBF, 0xFF, 0x00, 0xCC, 0x33, 0x92, 0x6D, 0x13, 0xEC, 0x5C, 0xA3, 0x00, 0xFF, 0x00,
+      0xFF, 0x00, 0xFF, 0x00, 0xFF, 0x00, 0xFF, 0x53, 0xAC, 0xF1, 0x0E, 0x00, 0xFF, 0x00, 0xFF, 0x80, 0x7F, 0x03,
+      0xFC, 0x01, 0xFE, 0x88, 0x77, 0x00, 0xFF, 0x00, 0xFF, 0xFF, 0x00, 0xFF, 0x00, 0xFF, 0x00, 0xFF, 0x00};
+  uint8_t previous_temp_{27};
+  // Transmit via IR the state of this climate controller.
+  void transmit_state() override;
+  bool get_power_();
+  void set_power_(bool on);
+  uint8_t get_mode_();
+  void set_mode_(uint8_t mode);
+  void set_temp_(uint8_t celsius, bool set_previous = false);
+  uint8_t get_fan_();
+  void set_fan_(uint8_t speed);
+  void set_swing_v_toggle_(bool on);
+  bool get_swing_v_toggle_();
+  void set_swing_v_(bool on);
+  bool get_swing_v_();
+  void set_swing_h_(uint8_t position);
+  uint8_t get_swing_h_();
+  uint8_t get_button_();
+  void set_button_(uint8_t button);
+  // Handle received IR Buffer
+  bool on_receive(remote_base::RemoteReceiveData data) override;
+  bool parse_mode_(const uint8_t remote_state[]);
+  bool parse_temperature_(const uint8_t remote_state[]);
+  bool parse_fan_(const uint8_t remote_state[]);
+  bool parse_swing_(const uint8_t remote_state[]);
+  bool parse_state_frame_(const uint8_t frame[]);
+  void dump_state_(const char action[], uint8_t remote_state[]);
+};
+
+}  // namespace hitachi_ac424
+}  // namespace esphome