diff --git a/esphome/components/sts3x/sts3x.cpp b/esphome/components/sts3x/sts3x.cpp deleted file mode 100644 index dfa763b701..0000000000 --- a/esphome/components/sts3x/sts3x.cpp +++ /dev/null @@ -1,117 +0,0 @@ -#include "sts3x.h" -#include "esphome/core/log.h" - -namespace esphome { -namespace sts3x { - -static const char *TAG = "sts3x"; - -static const uint16_t STS3X_COMMAND_READ_SERIAL_NUMBER = 0x3780; -static const uint16_t STS3X_COMMAND_READ_STATUS = 0xF32D; -static const uint16_t STS3X_COMMAND_CLEAR_STATUS = 0x3041; -static const uint16_t STS3X_COMMAND_HEATER_ENABLE = 0x306D; -static const uint16_t STS3X_COMMAND_HEATER_DISABLE = 0x3066; -static const uint16_t STS3X_COMMAND_SOFT_RESET = 0x30A2; -static const uint16_t STS3X_COMMAND_POLLING_H = 0x2400; -static const uint16_t STS3X_COMMAND_FETCH_DATA = 0xE000; - -void STS3XComponent::setup() { - ESP_LOGCONFIG(TAG, "Setting up STS3x..."); - if (!this->write_command_(STS3X_COMMAND_READ_SERIAL_NUMBER)) { - this->mark_failed(); - return; - } - - uint16_t raw_serial_number[2]; - if (!this->read_data_(raw_serial_number, 1)) { - this->mark_failed(); - return; - } - uint32_t serial_number = (uint32_t(raw_serial_number[0]) << 16); - ESP_LOGV(TAG, " Serial Number: 0x%08X", serial_number); -} -void STS3XComponent::dump_config() { - ESP_LOGCONFIG(TAG, "STS3x:"); - LOG_I2C_DEVICE(this); - if (this->is_failed()) { - ESP_LOGE(TAG, "Communication with ST3x failed!"); - } - LOG_UPDATE_INTERVAL(this); - - LOG_SENSOR(" ", "Temperature", this->temperature_sensor_); -} -float STS3XComponent::get_setup_priority() const { return setup_priority::DATA; } -void STS3XComponent::update() { - if (!this->write_command_(STS3X_COMMAND_POLLING_H)) - return; - - this->set_timeout(50, [this]() { - uint16_t raw_data[1]; - if (!this->read_data_(raw_data, 1)) { - this->status_set_warning(); - return; - } - - float temperature = 175.0f * float(raw_data[0]) / 65535.0f - 45.0f; - - ESP_LOGD(TAG, "Got temperature=%.2f°C", temperature); - if (this->temperature_sensor_ != nullptr) - this->temperature_sensor_->publish_state(temperature); - this->status_clear_warning(); - }); -} - -bool STS3XComponent::write_command_(uint16_t command) { - // Warning ugly, trick the I2Ccomponent base by setting register to the first 8 bit. - return this->write_byte(command >> 8, command & 0xFF); -} - -uint8_t sts3x_crc(uint8_t data1, uint8_t data2) { - uint8_t bit; - uint8_t crc = 0xFF; - - crc ^= data1; - for (bit = 8; bit > 0; --bit) { - if (crc & 0x80) - crc = (crc << 1) ^ 0x131; - else - crc = (crc << 1); - } - - crc ^= data2; - for (bit = 8; bit > 0; --bit) { - if (crc & 0x80) - crc = (crc << 1) ^ 0x131; - else - crc = (crc << 1); - } - - return crc; -} - -bool STS3XComponent::read_data_(uint16_t *data, uint8_t len) { - const uint8_t num_bytes = len * 3; - auto *buf = new uint8_t[num_bytes]; - - if (!this->parent_->raw_receive(this->address_, buf, num_bytes)) { - delete[](buf); - return false; - } - - for (uint8_t i = 0; i < len; i++) { - const uint8_t j = 3 * i; - uint8_t crc = sts3x_crc(buf[j], buf[j + 1]); - if (crc != buf[j + 2]) { - ESP_LOGE(TAG, "CRC8 Checksum invalid! 0x%02X != 0x%02X", buf[j + 2], crc); - delete[](buf); - return false; - } - data[i] = (buf[j] << 8) | buf[j + 1]; - } - - delete[](buf); - return true; -} - -} // namespace sts3x -} // namespace esphome