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https://github.com/esphome/esphome.git
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85 lines
2.5 KiB
C++
85 lines
2.5 KiB
C++
#include "mitsubishi.h"
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#include "esphome/core/log.h"
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namespace esphome {
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namespace mitsubishi {
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static const char *const TAG = "mitsubishi.climate";
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const uint32_t MITSUBISHI_OFF = 0x00;
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const uint8_t MITSUBISHI_COOL = 0x18;
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const uint8_t MITSUBISHI_DRY = 0x10;
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const uint8_t MITSUBISHI_AUTO = 0x20;
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const uint8_t MITSUBISHI_HEAT = 0x08;
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const uint8_t MITSUBISHI_FAN_AUTO = 0x00;
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// Pulse parameters in usec
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const uint16_t MITSUBISHI_BIT_MARK = 430;
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const uint16_t MITSUBISHI_ONE_SPACE = 1250;
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const uint16_t MITSUBISHI_ZERO_SPACE = 390;
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const uint16_t MITSUBISHI_HEADER_MARK = 3500;
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const uint16_t MITSUBISHI_HEADER_SPACE = 1700;
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const uint16_t MITSUBISHI_MIN_GAP = 17500;
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void MitsubishiClimate::transmit_state() {
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uint32_t remote_state[18] = {0x23, 0xCB, 0x26, 0x01, 0x00, 0x20, 0x08, 0x00, 0x30,
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0x58, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
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switch (this->mode) {
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case climate::CLIMATE_MODE_COOL:
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remote_state[6] = MITSUBISHI_COOL;
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break;
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case climate::CLIMATE_MODE_HEAT:
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remote_state[6] = MITSUBISHI_HEAT;
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break;
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case climate::CLIMATE_MODE_HEAT_COOL:
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remote_state[6] = MITSUBISHI_AUTO;
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break;
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case climate::CLIMATE_MODE_OFF:
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default:
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remote_state[5] = MITSUBISHI_OFF;
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break;
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}
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remote_state[7] = (uint8_t) roundf(clamp<float>(this->target_temperature, MITSUBISHI_TEMP_MIN, MITSUBISHI_TEMP_MAX) -
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MITSUBISHI_TEMP_MIN);
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ESP_LOGV(TAG, "Sending Mitsubishi target temp: %.1f state: %02X mode: %02X temp: %02X", this->target_temperature,
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remote_state[5], remote_state[6], remote_state[7]);
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// Checksum
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for (int i = 0; i < 17; i++) {
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remote_state[17] += remote_state[i];
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}
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auto transmit = this->transmitter_->transmit();
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auto *data = transmit.get_data();
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data->set_carrier_frequency(38000);
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// repeat twice
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for (uint16_t r = 0; r < 2; r++) {
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// Header
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data->mark(MITSUBISHI_HEADER_MARK);
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data->space(MITSUBISHI_HEADER_SPACE);
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// Data
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for (uint8_t i : remote_state) {
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for (uint8_t j = 0; j < 8; j++) {
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data->mark(MITSUBISHI_BIT_MARK);
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bool bit = i & (1 << j);
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data->space(bit ? MITSUBISHI_ONE_SPACE : MITSUBISHI_ZERO_SPACE);
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}
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}
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// Footer
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if (r == 0) {
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data->mark(MITSUBISHI_BIT_MARK);
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data->space(MITSUBISHI_MIN_GAP); // Pause before repeating
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}
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}
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data->mark(MITSUBISHI_BIT_MARK);
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transmit.perform();
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}
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} // namespace mitsubishi
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} // namespace esphome
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