mirror of https://github.com/arendst/Tasmota.git
66 lines
2.0 KiB
C
66 lines
2.0 KiB
C
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/*!
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* @file Adafruit_PM25AQI.h
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*
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* This is the documentation for Adafruit's PM25 AQI driver for the
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* Arduino platform. It is designed specifically to work with the
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* Adafruit PM25 air quality sensors: http://www.adafruit.com/products/4632
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*
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* These sensors use I2C or UART to communicate.
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*
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* Adafruit invests time and resources providing this open source code,
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* please support Adafruit and open-source hardware by purchasing
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* products from Adafruit!
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*
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* Written by Ladyada for Adafruit Industries.
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*
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* BSD license, all text here must be included in any redistribution.
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*
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*/
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#ifndef ADAFRUIT_PM25AQI_H
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#define ADAFRUIT_PM25AQI_H
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#include "Arduino.h"
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#include <Adafruit_I2CDevice.h>
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// the i2c address
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#define PMSA003I_I2CADDR_DEFAULT 0x12 ///< PMSA003I has only one I2C address
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/**! Structure holding Plantower's standard packet **/
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typedef struct PMSAQIdata {
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uint16_t framelen; ///< How long this data chunk is
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uint16_t pm10_standard, ///< Standard PM1.0
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pm25_standard, ///< Standard PM2.5
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pm100_standard; ///< Standard PM10.0
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uint16_t pm10_env, ///< Environmental PM1.0
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pm25_env, ///< Environmental PM2.5
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pm100_env; ///< Environmental PM10.0
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uint16_t particles_03um, ///< 0.3um Particle Count
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particles_05um, ///< 0.5um Particle Count
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particles_10um, ///< 1.0um Particle Count
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particles_25um, ///< 2.5um Particle Count
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particles_50um, ///< 5.0um Particle Count
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particles_100um; ///< 10.0um Particle Count
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uint16_t unused; ///< Unused
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uint16_t checksum; ///< Packet checksum
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} PM25_AQI_Data;
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/*!
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* @brief Class that stores state and functions for interacting with
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* PM2.5 Air Quality Sensor
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*/
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class Adafruit_PM25AQI {
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public:
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Adafruit_PM25AQI();
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bool begin_I2C(TwoWire *theWire = &Wire);
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bool begin_UART(Stream *theStream);
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bool read(PM25_AQI_Data *data);
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private:
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Adafruit_I2CDevice *i2c_dev = NULL;
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Stream *serial_dev = NULL;
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uint8_t _readbuffer[32];
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};
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#endif
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