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Catie fork
Dependencies: SDFileSystem X_NUCLEO_IKS01A1
Fork of ATT_AWS_IoT_demo by
Diff: Sensors/Temperature/HTS221.h
- Revision:
- 29:537df716ba0b
- Parent:
- 28:a31312c9756d
diff -r a31312c9756d -r 537df716ba0b Sensors/Temperature/HTS221.h --- a/Sensors/Temperature/HTS221.h Wed Apr 05 08:32:05 2017 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,93 +0,0 @@ - -#ifndef HTS221_H_ -#define HTS221_H_ - -class HTS221 { -public: - HTS221(void); - int begin(void); - int activate(void); - int deactivate(void); - - int bduActivate(void); - int bduDeactivate(void); - - int readHumidity(void); - double readTemperature(void); -private: - int storeCalibration(void); - unsigned char _h0_rH, _h1_rH; - unsigned int _T0_degC, _T1_degC; - unsigned int _H0_T0, _H1_T0; - unsigned int _T0_OUT, _T1_OUT; - double _temperature; - int _humidity; - unsigned char _address; - - unsigned char readRegister(unsigned char slaveAddress, unsigned char regToRead); - int writeRegister(unsigned char slaveAddress, unsigned char regToWrite, unsigned char dataToWrite); -}; - -#define HTS221_ADDRESS 0xBF - -//Define a few of the registers that we will be accessing on the HTS221 -#define WHO_AM_I 0x0F -#define WHO_AM_I_RETURN 0xBC //This read-only register contains the device identifier, set to BCh - -#define AVERAGE_REG 0x10 // To configure humidity/temperature average. -#define AVERAGE_DEFAULT 0x1B - -/* - * [7] PD: power down control - * (0: power-down mode; 1: active mode) - * - * [6:3] Reserved - * - * [2] BDU: block data update - * (0: continuous update; 1: output registers not updated until MSB and LSB reading) -The BDU bit is used to inhibit the output register update between the reading of the upper -and lower register parts. In default mode (BDU = ?0?), the lower and upper register parts are -updated continuously. If it is not certain whether the read will be faster than output data rate, -it is recommended to set the BDU bit to ?1?. In this way, after the reading of the lower (upper) -register part, the content of that output register is not updated until the upper (lower) part is -read also. - * - * [1:0] ODR1, ODR0: output data rate selection (see table 17) - */ -#define CTRL_REG1 0x20 -#define POWER_UP 0x80 -#define BDU_SET 0x4 -#define ODR0_SET 0x1 // setting sensor reading period 1Hz - -#define CTRL_REG2 0x21 -#define CTRL_REG3 0x22 -#define REG_DEFAULT 0x00 - -#define STATUS_REG 0x27 -#define TEMPERATURE_READY 0x1 -#define HUMIDITY_READY 0x2 - -#define HUMIDITY_L_REG 0x28 -#define HUMIDITY_H_REG 0x29 -#define TEMP_L_REG 0x2A -#define TEMP_H_REG 0x2B -/* - * calibration registry should be read for temperature and humidity calculation. - * Before the first calculation of temperature and humidity, - * the master reads out the calibration coefficients. - * will do at init phase - */ -#define CALIB_START 0x30 -#define CALIB_END 0x3F -/* -#define CALIB_T0_DEGC_X8 0x32 -#define CALIB_T1_DEGC_X8 0x33 -#define CALIB_T1_T0_MSB 0x35 -#define CALIB_T0_OUT_L 0x3C -#define CALIB_T0_OUT_H 0x3D -#define CALIB_T1_OUT_L 0x3E -#define CALIB_T1_OUT_H 0x3F - */ - -#endif -