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54 lines
1.5 KiB
C++
54 lines
1.5 KiB
C++
#include "tmp102.h"
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#include "esphome/core/log.h"
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#include "esphome/core/hal.h"
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namespace esphome {
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namespace tmp102 {
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static const char *const TAG = "tmp102";
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static const uint8_t TMP102_ADDRESS = 0x48;
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static const uint8_t TMP102_REGISTER_TEMPERATURE = 0x00;
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static const uint8_t TMP102_REGISTER_CONFIGURATION = 0x01;
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static const uint8_t TMP102_REGISTER_LOW_LIMIT = 0x02;
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static const uint8_t TMP102_REGISTER_HIGH_LIMIT = 0x03;
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static const float TMP102_CONVERSION_FACTOR = 0.0625;
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void TMP102Component::setup() { ESP_LOGCONFIG(TAG, "Setting up TMP102..."); }
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void TMP102Component::dump_config() {
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ESP_LOGCONFIG(TAG, "TMP102:");
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LOG_I2C_DEVICE(this);
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if (this->is_failed()) {
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ESP_LOGE(TAG, "Communication with TMP102 failed!");
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}
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LOG_UPDATE_INTERVAL(this);
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LOG_SENSOR(" ", "Temperature", this);
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}
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void TMP102Component::update() {
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int16_t raw_temperature;
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if (this->write(&TMP102_REGISTER_TEMPERATURE, 1) != i2c::ERROR_OK) {
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this->status_set_warning();
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return;
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}
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delay(50); // NOLINT
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if (this->read(reinterpret_cast<uint8_t *>(&raw_temperature), 2) != i2c::ERROR_OK) {
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this->status_set_warning();
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return;
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}
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raw_temperature = i2c::i2ctohs(raw_temperature);
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raw_temperature = raw_temperature >> 4;
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float temperature = raw_temperature * TMP102_CONVERSION_FACTOR;
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ESP_LOGD(TAG, "Got Temperature=%.1f°C", temperature);
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this->publish_state(temperature);
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this->status_clear_warning();
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}
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float TMP102Component::get_setup_priority() const { return setup_priority::DATA; }
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} // namespace tmp102
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} // namespace esphome
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