Suraj Pal / Mbed 2 deprecated FDS_Wireless_Solution

ATT example code

Dependencies:   WNCInterface mbed-rtos mbed

HTS221.h@0:2bfa06d10e28, 2017-05-22 (annotated)

Committer:
surajdagar
Date:
Mon May 22 19:50:26 2017 +0000
Revision:
0:2bfa06d10e28
Wireless solution ATT kit

Who changed what in which revision?

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surajdagar 0:2bfa06d10e28 1 /* ===================================================================
surajdagar 0:2bfa06d10e28 2 Copyright © 2016, AVNET Inc.
surajdagar 0:2bfa06d10e28 3
surajdagar 0:2bfa06d10e28 4 Licensed under the Apache License, Version 2.0 (the "License");
surajdagar 0:2bfa06d10e28 5 you may not use this file except in compliance with the License.
surajdagar 0:2bfa06d10e28 6 You may obtain a copy of the License at
surajdagar 0:2bfa06d10e28 7
surajdagar 0:2bfa06d10e28 8 http://www.apache.org/licenses/LICENSE-2.0
surajdagar 0:2bfa06d10e28 9
surajdagar 0:2bfa06d10e28 10 Unless required by applicable law or agreed to in writing,
surajdagar 0:2bfa06d10e28 11 software distributed under the License is distributed on an
surajdagar 0:2bfa06d10e28 12 "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
surajdagar 0:2bfa06d10e28 13 either express or implied. See the License for the specific
surajdagar 0:2bfa06d10e28 14 language governing permissions and limitations under the License.
surajdagar 0:2bfa06d10e28 15
surajdagar 0:2bfa06d10e28 16 ======================================================================== */
surajdagar 0:2bfa06d10e28 17
surajdagar 0:2bfa06d10e28 18 #ifndef HTS221_H_
surajdagar 0:2bfa06d10e28 19 #define HTS221_H_
surajdagar 0:2bfa06d10e28 20
surajdagar 0:2bfa06d10e28 21 class HTS221 {
surajdagar 0:2bfa06d10e28 22 public:
surajdagar 0:2bfa06d10e28 23 HTS221(void);
surajdagar 0:2bfa06d10e28 24 int init(void);
surajdagar 0:2bfa06d10e28 25 int activate(void);
surajdagar 0:2bfa06d10e28 26 int deactivate(void);
surajdagar 0:2bfa06d10e28 27
surajdagar 0:2bfa06d10e28 28 int bduActivate(void);
surajdagar 0:2bfa06d10e28 29 int bduDeactivate(void);
surajdagar 0:2bfa06d10e28 30
surajdagar 0:2bfa06d10e28 31 int readHumidity(void);
surajdagar 0:2bfa06d10e28 32 double readTemperature(void);
surajdagar 0:2bfa06d10e28 33 private:
surajdagar 0:2bfa06d10e28 34 int storeCalibration(void);
surajdagar 0:2bfa06d10e28 35 unsigned char _h0_rH, _h1_rH;
surajdagar 0:2bfa06d10e28 36 unsigned int _T0_degC, _T1_degC;
surajdagar 0:2bfa06d10e28 37 unsigned int _H0_T0, _H1_T0;
surajdagar 0:2bfa06d10e28 38 unsigned int _T0_OUT, _T1_OUT;
surajdagar 0:2bfa06d10e28 39 double _temperature;
surajdagar 0:2bfa06d10e28 40 int _humidity;
surajdagar 0:2bfa06d10e28 41 unsigned char _address;
surajdagar 0:2bfa06d10e28 42
surajdagar 0:2bfa06d10e28 43 unsigned char readRegister(unsigned char slaveAddress, unsigned char regToRead);
surajdagar 0:2bfa06d10e28 44 int writeRegister(unsigned char slaveAddress, unsigned char regToWrite, unsigned char dataToWrite);
surajdagar 0:2bfa06d10e28 45 };
surajdagar 0:2bfa06d10e28 46
surajdagar 0:2bfa06d10e28 47 #define HTS221_ADDRESS 0xBF
surajdagar 0:2bfa06d10e28 48
surajdagar 0:2bfa06d10e28 49 //Define a few of the registers that we will be accessing on the HTS221
surajdagar 0:2bfa06d10e28 50 #define WHO_AM_I 0x0F
surajdagar 0:2bfa06d10e28 51 #define WHO_AM_I_RETURN 0xBC //This read-only register contains the device identifier, set to BCh
surajdagar 0:2bfa06d10e28 52
surajdagar 0:2bfa06d10e28 53 #define AVERAGE_REG 0x10 // To configure humidity/temperature average.
surajdagar 0:2bfa06d10e28 54 #define AVERAGE_DEFAULT 0x1B
surajdagar 0:2bfa06d10e28 55
surajdagar 0:2bfa06d10e28 56 /*
surajdagar 0:2bfa06d10e28 57 * [7] PD: power down control
surajdagar 0:2bfa06d10e28 58 * (0: power-down mode; 1: active mode)
surajdagar 0:2bfa06d10e28 59 *
surajdagar 0:2bfa06d10e28 60 * [6:3] Reserved
surajdagar 0:2bfa06d10e28 61 *
surajdagar 0:2bfa06d10e28 62 * [2] BDU: block data update
surajdagar 0:2bfa06d10e28 63 * (0: continuous update; 1: output registers not updated until MSB and LSB reading)
surajdagar 0:2bfa06d10e28 64 The BDU bit is used to inhibit the output register update between the reading of the upper
surajdagar 0:2bfa06d10e28 65 and lower register parts. In default mode (BDU = ?0?), the lower and upper register parts are
surajdagar 0:2bfa06d10e28 66 updated continuously. If it is not certain whether the read will be faster than output data rate,
surajdagar 0:2bfa06d10e28 67 it is recommended to set the BDU bit to ?1?. In this way, after the reading of the lower (upper)
surajdagar 0:2bfa06d10e28 68 register part, the content of that output register is not updated until the upper (lower) part is
surajdagar 0:2bfa06d10e28 69 read also.
surajdagar 0:2bfa06d10e28 70 *
surajdagar 0:2bfa06d10e28 71 * [1:0] ODR1, ODR0: output data rate selection (see table 17)
surajdagar 0:2bfa06d10e28 72 */
surajdagar 0:2bfa06d10e28 73 #define CTRL_REG1 0x20
surajdagar 0:2bfa06d10e28 74 #define POWER_UP 0x80
surajdagar 0:2bfa06d10e28 75 #define BDU_SET 0x4
surajdagar 0:2bfa06d10e28 76 #define ODR0_SET 0x1 // setting sensor reading period 1Hz
surajdagar 0:2bfa06d10e28 77
surajdagar 0:2bfa06d10e28 78 #define CTRL_REG2 0x21
surajdagar 0:2bfa06d10e28 79 #define CTRL_REG3 0x22
surajdagar 0:2bfa06d10e28 80 #define REG_DEFAULT 0x00
surajdagar 0:2bfa06d10e28 81
surajdagar 0:2bfa06d10e28 82 #define STATUS_REG 0x27
surajdagar 0:2bfa06d10e28 83 #define TEMPERATURE_READY 0x1
surajdagar 0:2bfa06d10e28 84 #define HUMIDITY_READY 0x2
surajdagar 0:2bfa06d10e28 85
surajdagar 0:2bfa06d10e28 86 #define HUMIDITY_L_REG 0x28
surajdagar 0:2bfa06d10e28 87 #define HUMIDITY_H_REG 0x29
surajdagar 0:2bfa06d10e28 88 #define TEMP_L_REG 0x2A
surajdagar 0:2bfa06d10e28 89 #define TEMP_H_REG 0x2B
surajdagar 0:2bfa06d10e28 90 /*
surajdagar 0:2bfa06d10e28 91 * calibration registry should be read for temperature and humidity calculation.
surajdagar 0:2bfa06d10e28 92 * Before the first calculation of temperature and humidity,
surajdagar 0:2bfa06d10e28 93 * the master reads out the calibration coefficients.
surajdagar 0:2bfa06d10e28 94 * will do at init phase
surajdagar 0:2bfa06d10e28 95 */
surajdagar 0:2bfa06d10e28 96 #define CALIB_START 0x30
surajdagar 0:2bfa06d10e28 97 #define CALIB_END 0x3F
surajdagar 0:2bfa06d10e28 98 /*
surajdagar 0:2bfa06d10e28 99 #define CALIB_T0_DEGC_X8 0x32
surajdagar 0:2bfa06d10e28 100 #define CALIB_T1_DEGC_X8 0x33
surajdagar 0:2bfa06d10e28 101 #define CALIB_T1_T0_MSB 0x35
surajdagar 0:2bfa06d10e28 102 #define CALIB_T0_OUT_L 0x3C
surajdagar 0:2bfa06d10e28 103 #define CALIB_T0_OUT_H 0x3D
surajdagar 0:2bfa06d10e28 104 #define CALIB_T1_OUT_L 0x3E
surajdagar 0:2bfa06d10e28 105 #define CALIB_T1_OUT_H 0x3F
surajdagar 0:2bfa06d10e28 106 */
surajdagar 0:2bfa06d10e28 107
surajdagar 0:2bfa06d10e28 108 #endif