mirror of
https://github.com/Threnklyn/esphome-dev.git
synced 2026-05-19 12:43:28 +02:00
Tyler Menezes
82 lines
2.4 KiB
C++
82 lines
2.4 KiB
C++
#include "t6615.h"
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#include "esphome/core/log.h"
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namespace esphome {
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namespace t6615 {
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static const char *const TAG = "t6615";
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static const uint8_t T6615_RESPONSE_BUFFER_LENGTH = 32;
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static const uint8_t T6615_MAGIC = 0xFF;
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static const uint8_t T6615_ADDR_HOST = 0xFA;
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static const uint8_t T6615_ADDR_SENSOR = 0xFE;
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static const uint8_t T6615_COMMAND_GET_PPM[] = {0x02, 0x03};
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static const uint8_t T6615_COMMAND_GET_SERIAL[] = {0x02, 0x01};
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static const uint8_t T6615_COMMAND_GET_VERSION[] = {0x02, 0x0D};
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static const uint8_t T6615_COMMAND_GET_ELEVATION[] = {0x02, 0x0F};
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static const uint8_t T6615_COMMAND_GET_ABC[] = {0xB7, 0x00};
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static const uint8_t T6615_COMMAND_ENABLE_ABC[] = {0xB7, 0x01};
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static const uint8_t T6615_COMMAND_DISABLE_ABC[] = {0xB7, 0x02};
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static const uint8_t T6615_COMMAND_SET_ELEVATION[] = {0x03, 0x0F};
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void T6615Component::loop() {
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if (!this->available())
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return;
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// Read header
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uint8_t header[3];
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this->read_array(header, 3);
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if (header[0] != T6615_MAGIC || header[1] != T6615_ADDR_HOST) {
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ESP_LOGW(TAG, "Reading data from T6615 failed!");
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while (this->available())
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this->read(); // Clear the incoming buffer
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this->status_set_warning();
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return;
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}
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// Read body
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uint8_t length = header[2];
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uint8_t response[T6615_RESPONSE_BUFFER_LENGTH];
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this->read_array(response, length);
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this->status_clear_warning();
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switch (this->command_) {
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case T6615Command::GET_PPM: {
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const uint16_t ppm = encode_uint16(response[0], response[1]);
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ESP_LOGD(TAG, "T6615 Received CO₂=%uppm", ppm);
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this->co2_sensor_->publish_state(ppm);
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break;
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}
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default:
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break;
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}
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this->command_ = T6615Command::NONE;
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}
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void T6615Component::update() { this->query_ppm_(); }
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void T6615Component::query_ppm_() {
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if (this->co2_sensor_ == nullptr || this->command_ != T6615Command::NONE) {
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return;
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}
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this->command_ = T6615Command::GET_PPM;
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this->write_byte(T6615_MAGIC);
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this->write_byte(T6615_ADDR_SENSOR);
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this->write_byte(sizeof(T6615_COMMAND_GET_PPM));
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this->write_array(T6615_COMMAND_GET_PPM, sizeof(T6615_COMMAND_GET_PPM));
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}
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float T6615Component::get_setup_priority() const { return setup_priority::DATA; }
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void T6615Component::dump_config() {
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ESP_LOGCONFIG(TAG, "T6615:");
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LOG_SENSOR(" ", "CO2", this->co2_sensor_);
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this->check_uart_settings(19200);
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}
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} // namespace t6615
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} // namespace esphome
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