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/
sensors3
sr501/BH1750/mq-2/dht11
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Diff: sensors.h
- Revision:
- 4:fe1e9f9c7b33
- Parent:
- 3:31aec950f7dc
--- a/sensors.h Fri Sep 14 10:52:15 2018 +0000 +++ b/sensors.h Thu Oct 18 16:23:13 2018 +0000 @@ -3,6 +3,27 @@ #include "mbed.h" + + +//========================================== +class sr501 +{ +/***** + * 红外热释电对象 + * 感应输出高电平 +*****/ + private: +// DigitalIn signal; + bool status; + InterruptIn signal; + void triggered(); + public: + sr501(PinName pSignal); + bool operator==(const bool &target); + void reset(); + int read(); +}; +//========================================= //+++++++++++++++++++++BH1750+++++++++++++++++++++++++++++ #define BH1750_I2CADDR 0x46 #define BH1750_POWER_DOWN 0x00 // No active state @@ -23,27 +44,7 @@ // Start measurement at 1lx resolution. Measurement time is approx 120ms. // Device is automatically set to Power Down after measurement. #define BH1750_ONE_TIME_LOW_RES_MODE 0x23 -//++++++++++++++++++++++++++++++++++++++++ - -//========================================== -class sr501 -{ -/***** - * 红外热释电对象 - * 感应输出高电平 -*****/ - private: -// DigitalIn signal; - bool status; - InterruptIn signal; - void triggered(); - public: - sr501(PinName pSignal); - bool operator==(const bool &target); - void reset(); - int read(); -}; -//========================================= +//++++++++++++++++++++++++++++++++++++++++++++++++++++++++ class BH1750 { @@ -99,5 +100,120 @@ float gettemperature(); }; -//======================= +//==========================================DS18B20 +class DS18B20 +{ +/***** +* +*****/ + private: + DigitalInOut datapin; + uint8_t dat; + float T; + + int start(); + void writebyte(uint8_t send); + uint8_t readByte(); + float transfer(uint8_t h,uint8_t l); + public: + DS18B20(PinName pin); + int getdata(); + float gettemperature(); + +}; +//==========================================YL-38通用传感 +class YL +{ +/***** +* +*****/ + private: + bool status; + InterruptIn signal; + AnalogIn signallevel; + + void triggered(); + public: + YL(PinName dio); + YL(PinName dio,PinName aio); + bool operator==(const bool &target); + float getairdata(); + void reset(); + int read(); +}; +//======================================== +#define BMP180_ADDRESS 0x77<<1 // I2C address of BMP180, eight bit address on mbed +#define BMP180_WHO_AM_I 0xD0 // WHO_AM_I id of BMP180, should return 0x55 +#define BMP180_RESET 0xE0 +#define BMP180_CONTROL 0xF4 +#define BMP180_OUT_MSB 0xF6 +#define BMP180_OUT_LSB 0xF7 +#define BMP180_OUT_XLSB 0xF8 + +// Set initial input parameters + +enum OSS { // BMP-085 sampling rate + OSS_0 = 0, // 4.5 ms conversion time + OSS_1=1, // 7.5 + OSS_2=2, // 13.5 + OSS_3=3 // 25.5 +}; + + + +class BMP180 { +/***** +* +*****/ +private: + uint8_t OSS; // maximum pressure resolution + + //Set up I2C, (SDA,SCL) + I2C i2c; + + // These are constants used to calculate the temperature and pressure from the BMP-180 sensor + int16_t ac1, ac2, ac3, b1, b2, mb, mc, md, b5; + uint16_t ac4, ac5, ac6; + + void writeByte(uint8_t address, uint8_t subAddress, uint8_t data); + char readByte(uint8_t address, uint8_t subAddress); + void readBytes(uint8_t address, uint8_t subAddress, uint8_t count, uint8_t * dest); + + // Stores all of the BMP180's calibration values into global variables + // Calibration values are required to calculate temp and pressure + // This function should be called at the beginning of the program + // These BMP-180 functions were adapted from Jim Lindblom of SparkFun Electronics + void BMP180Calibration(); +public: + BMP180(PinName sda,PinName scl) ; + // Temperature returned will be in units of 0.1 deg C + long BMP180GetTemperature(); + + // Calculate pressure read calibration values + // b5 is also required so BMP180GetTemperature() must be called first. + // Value returned will be pressure in units of Pa. + long BMP180GetPressure(); +}; +//================================================ +class GP2Y1010 +{ +/***** +* +*****/ + private: + AnalogIn measurePin ; + DigitalOut ledPower; + unsigned int samplingTime ; + unsigned int deltaTime ; + unsigned int sleepTime ; + + float voMeasured ; + float calcVoltage ; + float dustDensity ; + + public: + GP2Y1010(PinName ledPower,PinName measurePin); + float getairdata(); +}; +//============================================= #endif