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Add support for Sensirion SPS30 Particulate Matter sensors (#891)

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* Add support for Sensirion SPS30 Particulate Matter sensors

* Remove blocking of the main thread on initialization;
Improve wording on the debug messages;
Add robustness in re-initialization of reconnected or replaced sensors;

* Fix code formatting;


Co-authored-by: Nad <valordk@github>
This commit is contained in:
Nad
2019-12-04 12:34:10 +01:00
committed by Otto Winter
parent 0f406c38eb
commit 7f895abc24
6 changed files with 453 additions and 0 deletions
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esphome/components/sps30/sps30.h
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#pragma once
#include "esphome/core/component.h"
#include "esphome/components/sensor/sensor.h"
#include "esphome/components/i2c/i2c.h"
namespace esphome {
namespace sps30 {
/// This class implements support for the Sensirion SPS30 i2c/UART Particulate Matter
/// PM1.0, PM2.5, PM4, PM10 Air Quality sensors.
class SPS30Component : public PollingComponent, public i2c::I2CDevice {
public:
void set_pm_1_0_sensor(sensor::Sensor *pm_1_0) { pm_1_0_sensor_ = pm_1_0; }
void set_pm_2_5_sensor(sensor::Sensor *pm_2_5) { pm_2_5_sensor_ = pm_2_5; }
void set_pm_4_0_sensor(sensor::Sensor *pm_4_0) { pm_4_0_sensor_ = pm_4_0; }
void set_pm_10_0_sensor(sensor::Sensor *pm_10_0) { pm_10_0_sensor_ = pm_10_0; }
void set_pmc_0_5_sensor(sensor::Sensor *pmc_0_5) { pmc_0_5_sensor_ = pmc_0_5; }
void set_pmc_1_0_sensor(sensor::Sensor *pmc_1_0) { pmc_1_0_sensor_ = pmc_1_0; }
void set_pmc_2_5_sensor(sensor::Sensor *pmc_2_5) { pmc_2_5_sensor_ = pmc_2_5; }
void set_pmc_4_0_sensor(sensor::Sensor *pmc_4_0) { pmc_4_0_sensor_ = pmc_4_0; }
void set_pmc_10_0_sensor(sensor::Sensor *pmc_10_0) { pmc_10_0_sensor_ = pmc_10_0; }
void set_pm_size_sensor(sensor::Sensor *pm_size) { pm_size_sensor_ = pm_size; }
void setup() override;
void update() override;
void dump_config() override;
float get_setup_priority() const override { return setup_priority::DATA; }
protected:
bool write_command_(uint16_t command);
bool read_data_(uint16_t *data, uint8_t len);
uint8_t sht_crc_(uint8_t data1, uint8_t data2);
char serial_number_[17] = {0}; /// Terminating NULL character
bool start_continuous_measurement_();
uint8_t skipped_data_read_cycles_ = 0;
enum ErrorCode {
COMMUNICATION_FAILED,
FIRMWARE_VERSION_REQUEST_FAILED,
FIRMWARE_VERSION_READ_FAILED,
SERIAL_NUMBER_REQUEST_FAILED,
SERIAL_NUMBER_READ_FAILED,
MEASUREMENT_INIT_FAILED,
UNKNOWN
} error_code_{UNKNOWN};
sensor::Sensor *pm_1_0_sensor_{nullptr};
sensor::Sensor *pm_2_5_sensor_{nullptr};
sensor::Sensor *pm_4_0_sensor_{nullptr};
sensor::Sensor *pm_10_0_sensor_{nullptr};
sensor::Sensor *pmc_0_5_sensor_{nullptr};
sensor::Sensor *pmc_1_0_sensor_{nullptr};
sensor::Sensor *pmc_2_5_sensor_{nullptr};
sensor::Sensor *pmc_4_0_sensor_{nullptr};
sensor::Sensor *pmc_10_0_sensor_{nullptr};
sensor::Sensor *pm_size_sensor_{nullptr};
};
} // namespace sps30
} // namespace esphome