Emmeti infrared climate support (#5197)

Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>
2026-06-07 13:24:56 +02:00 · 2024-03-13 02:16:02 +01:00
parent 3abf2f1d14
commit b34b10888b
9 changed files with 476 additions and 0 deletions
@@ -0,0 +1,109 @@
+#pragma once
+
+#include "esphome/components/climate_ir/climate_ir.h"
+
+namespace esphome {
+namespace emmeti {
+
+const uint8_t EMMETI_TEMP_MIN = 16;  // Celsius
+const uint8_t EMMETI_TEMP_MAX = 30;  // Celsius
+
+// Modes
+
+enum EmmetiMode : uint8_t {
+  EMMETI_MODE_HEAT_COOL = 0x00,
+  EMMETI_MODE_COOL = 0x01,
+  EMMETI_MODE_DRY = 0x02,
+  EMMETI_MODE_FAN = 0x03,
+  EMMETI_MODE_HEAT = 0x04,
+};
+
+// Fan Speed
+
+enum EmmetiFanMode : uint8_t {
+  EMMETI_FAN_AUTO = 0x00,
+  EMMETI_FAN_1 = 0x01,
+  EMMETI_FAN_2 = 0x02,
+  EMMETI_FAN_3 = 0x03,
+};
+
+// Fan Position
+
+enum EmmetiBlades : uint8_t {
+  EMMETI_BLADES_STOP = 0x00,
+  EMMETI_BLADES_FULL = 0x01,
+  EMMETI_BLADES_1 = 0x02,
+  EMMETI_BLADES_2 = 0x03,
+  EMMETI_BLADES_3 = 0x04,
+  EMMETI_BLADES_4 = 0x05,
+  EMMETI_BLADES_5 = 0x06,
+  EMMETI_BLADES_LOW = 0x07,
+  EMMETI_BLADES_MID = 0x09,
+  EMMETI_BLADES_HIGH = 0x11,
+};
+
+// IR Transmission
+const uint32_t EMMETI_IR_FREQUENCY = 38000;
+const uint32_t EMMETI_HEADER_MARK = 9076;
+const uint32_t EMMETI_HEADER_SPACE = 4408;
+const uint32_t EMMETI_BIT_MARK = 660;
+const uint32_t EMMETI_ONE_SPACE = 1630;
+const uint32_t EMMETI_ZERO_SPACE = 530;
+const uint32_t EMMETI_MESSAGE_SPACE = 20000;
+
+struct EmmetiState {
+  uint8_t mode = 0;
+  uint8_t bitmap = 0;
+  uint8_t fan_speed = 0;
+  uint8_t temp = 0;
+  uint8_t fan_pos = 0;
+  uint8_t th = 0;
+  uint8_t checksum = 0;
+};
+
+class EmmetiClimate : public climate_ir::ClimateIR {
+ public:
+  EmmetiClimate()
+      : climate_ir::ClimateIR(EMMETI_TEMP_MIN, EMMETI_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_VERTICAL}) {}
+
+ protected:
+  // Transmit via IR the state of this climate controller
+  void transmit_state() override;
+  // Handle received IR Buffer
+  bool on_receive(remote_base::RemoteReceiveData data) override;
+  bool parse_state_frame_(EmmetiState curr_state);
+
+  // setters
+  uint8_t set_mode_();
+  uint8_t set_temp_();
+  uint8_t set_fan_speed_();
+  uint8_t gen_checksum_();
+  uint8_t set_blades_();
+
+  // getters
+  climate::ClimateMode get_mode_(uint8_t mode);
+  climate::ClimateFanMode get_fan_speed_(uint8_t fan);
+  void get_blades_(uint8_t fanpos);
+  // get swing
+  climate::ClimateSwingMode get_swing_(uint8_t bitmap);
+  float get_temp_(uint8_t temp);
+
+  // check if the received frame is valid
+  bool check_checksum_(uint8_t checksum);
+
+  template<typename T> T reverse_(T val, size_t len);
+
+  template<typename T> void add_(T val, size_t len, esphome::remote_base::RemoteTransmitData *ata);
+
+  template<typename T> void add_(T val, esphome::remote_base::RemoteTransmitData *data);
+
+  template<typename T> void reverse_add_(T val, size_t len, esphome::remote_base::RemoteTransmitData *data);
+
+  uint8_t blades_ = EMMETI_BLADES_STOP;
+};
+
+}  // namespace emmeti
+}  // namespace esphome