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Dependencies:   mbed SickBayTek

BMP280.h@3:d15b6579b5ae, 2020-04-08 (annotated)

Committer:
kabukistarship
Date:
Wed Apr 08 07:16:51 2020 +0000
Revision:
3:d15b6579b5ae
Parent:
2:1578ecfa9377
Child:
4:de69851cf725
Updates from PandemicCookbook#75

Who changed what in which revision?

UserRevisionLine numberNew contents of line
kabukistarship 2:1578ecfa9377 1 /**
kabukistarship 2:1578ecfa9377 2 * BME280 Combined humidity and pressure sensor library
kabukistarship 2:1578ecfa9377 3 *
kabukistarship 2:1578ecfa9377 4 * @author Toyomasa Watarai
kabukistarship 2:1578ecfa9377 5 * @version 1.0
kabukistarship 2:1578ecfa9377 6 * @date 06-April-2015
kabukistarship 2:1578ecfa9377 7 *
kabukistarship 2:1578ecfa9377 8 * Library for "BME280 temperature, humidity and pressure sensor module" from Switch Science
kabukistarship 2:1578ecfa9377 9 * https://www.switch-science.com/catalog/2236/
kabukistarship 2:1578ecfa9377 10 *
kabukistarship 2:1578ecfa9377 11 * For more information about the BME280:
kabukistarship 2:1578ecfa9377 12 * http://ae-bst.resource.bosch.com/media/products/dokumente/bme280/BST-BME280_DS001-10.pdf
kabukistarship 2:1578ecfa9377 13 */
kabukistarship 2:1578ecfa9377 14
kabukistarship 2:1578ecfa9377 15 #ifndef MbedBME280Decl
kabukistarship 2:1578ecfa9377 16 #define MbedBME280Decl
kabukistarship 2:1578ecfa9377 17
kabukistarship 3:d15b6579b5ae 18 #include <mbedBug.h>
kabukistarship 2:1578ecfa9377 19
kabukistarship 2:1578ecfa9377 20 //#define _DEBUG
kabukistarship 2:1578ecfa9377 21 // default address with SDO High 0x77
kabukistarship 2:1578ecfa9377 22 // address with SDO LOW 0x76
kabukistarship 2:1578ecfa9377 23 #define SlaveAddressDefault (0x77)
kabukistarship 2:1578ecfa9377 24
kabukistarship 2:1578ecfa9377 25
kabukistarship 2:1578ecfa9377 26 /** A BME280 environmental sensor
kabukistarship 2:1578ecfa9377 27 A library to read environmental temperature and pressure using Bosch BME280. */
kabukistarship 2:1578ecfa9377 28
kabukistarship 2:1578ecfa9377 29 class BMP280 {
kabukistarship 2:1578ecfa9377 30 public:
kabukistarship 2:1578ecfa9377 31
kabukistarship 2:1578ecfa9377 32 enum {
kabukistarship 2:1578ecfa9377 33 SlaveAddress = SlaveAddressDefault //< The default I2C slave address.
kabukistarship 2:1578ecfa9377 34 };
kabukistarship 2:1578ecfa9377 35
kabukistarship 2:1578ecfa9377 36 /* Creates a BME280 instance connected to specified I2C pins and address.
kabukistarship 2:1578ecfa9377 37 @param SDA I2C-bus SDA pin
kabukistarship 2:1578ecfa9377 38 @param SCL I2C-bus SCL pin
kabukistarship 2:1578ecfa9377 39 @param SlaveAddress (option) I2C-bus address (default: 0x77) */
kabukistarship 2:1578ecfa9377 40 BMP280(PinName SDA, PinName SCK, char SlaveAddress = SlaveAddressDefault);
kabukistarship 2:1578ecfa9377 41
kabukistarship 2:1578ecfa9377 42 /* Creates a BME280 instance connected to the I2C pins and address.
kabukistarship 2:1578ecfa9377 43 *
kabukistarship 2:1578ecfa9377 44 * @param i2c_obj I2C object (instance)
kabukistarship 2:1578ecfa9377 45 * @param SlaveAddress (option) I2C-bus address (default: 0x77)
kabukistarship 2:1578ecfa9377 46 */
kabukistarship 2:1578ecfa9377 47 BMP280(I2C &i2c_obj, char SlaveAddress = SlaveAddressDefault);
kabukistarship 2:1578ecfa9377 48
kabukistarship 2:1578ecfa9377 49 ~BMP280();
kabukistarship 2:1578ecfa9377 50
kabukistarship 2:1578ecfa9377 51 /* Initializa BME280 sensor
kabukistarship 2:1578ecfa9377 52 Configure sensor setting and read parameters for calibration */
kabukistarship 2:1578ecfa9377 53 void Initialize(void);
kabukistarship 2:1578ecfa9377 54
kabukistarship 2:1578ecfa9377 55 /* Read the current temperature value (degree Celsius) from BME280 sensor */
kabukistarship 2:1578ecfa9377 56 float Temperature(void);
kabukistarship 2:1578ecfa9377 57
kabukistarship 2:1578ecfa9377 58 /* Read the current pressure value (hectopascal)from BME280 sensor */
kabukistarship 2:1578ecfa9377 59 float Pressure(void);
kabukistarship 2:1578ecfa9377 60
kabukistarship 2:1578ecfa9377 61 /* Read the current humidity value (humidity %) from BME280 sensor */
kabukistarship 2:1578ecfa9377 62 //float HumidityGet(void);
kabukistarship 2:1578ecfa9377 63
kabukistarship 2:1578ecfa9377 64 private:
kabukistarship 2:1578ecfa9377 65
kabukistarship 2:1578ecfa9377 66 I2C *i2c_p;
kabukistarship 2:1578ecfa9377 67 I2C &i2c;
kabukistarship 2:1578ecfa9377 68 char address;
kabukistarship 2:1578ecfa9377 69 uint16_t dig_T1;
kabukistarship 2:1578ecfa9377 70 int16_t dig_T2, dig_T3;
kabukistarship 2:1578ecfa9377 71 uint16_t dig_P1;
kabukistarship 2:1578ecfa9377 72 int16_t dig_P2, dig_P3, dig_P4, dig_P5, dig_P6, dig_P7, dig_P8, dig_P9;
kabukistarship 2:1578ecfa9377 73 uint16_t dig_H1, dig_H3;
kabukistarship 2:1578ecfa9377 74 int16_t dig_H2, dig_H4, dig_H5, dig_H6;
kabukistarship 2:1578ecfa9377 75 int32_t t_fine;
kabukistarship 2:1578ecfa9377 76
kabukistarship 2:1578ecfa9377 77 };
kabukistarship 2:1578ecfa9377 78
kabukistarship 2:1578ecfa9377 79 #undef SlaveAddressDefault
kabukistarship 2:1578ecfa9377 80 #endif //< MbedBME280Decl