shinichi satoh / Mbed 2 deprecated php_access_i2c

BME280 mbed i2c

Dependencies:   EthernetInterface HTTPClient mbed-rtos mbed

Fork of php_access by shinichi satoh

BME280.h@2:7cf2ef9c51da, 2016-07-28 (annotated)

Committer:
thursday1024
Date:
Thu Jul 28 22:55:30 2016 +0000
Revision:
2:7cf2ef9c51da
BME280 I2C

Who changed what in which revision?

UserRevisionLine numberNew contents of line
thursday1024 2:7cf2ef9c51da 1 /**
thursday1024 2:7cf2ef9c51da 2 * BME280 Combined humidity and pressure sensor library
thursday1024 2:7cf2ef9c51da 3 *
thursday1024 2:7cf2ef9c51da 4 * @author Toyomasa Watarai
thursday1024 2:7cf2ef9c51da 5 * @version 1.0
thursday1024 2:7cf2ef9c51da 6 * @date 06-April-2015
thursday1024 2:7cf2ef9c51da 7 *
thursday1024 2:7cf2ef9c51da 8 * Library for "BME280 temperature, humidity and pressure sensor module" from Switch Science
thursday1024 2:7cf2ef9c51da 9 * https://www.switch-science.com/catalog/2236/
thursday1024 2:7cf2ef9c51da 10 *
thursday1024 2:7cf2ef9c51da 11 * For more information about the BME280:
thursday1024 2:7cf2ef9c51da 12 * http://ae-bst.resource.bosch.com/media/products/dokumente/bme280/BST-BME280_DS001-10.pdf
thursday1024 2:7cf2ef9c51da 13 */
thursday1024 2:7cf2ef9c51da 14
thursday1024 2:7cf2ef9c51da 15 #ifndef MBED_BME280_H
thursday1024 2:7cf2ef9c51da 16 #define MBED_BME280_H
thursday1024 2:7cf2ef9c51da 17
thursday1024 2:7cf2ef9c51da 18 #include "mbed.h"
thursday1024 2:7cf2ef9c51da 19
thursday1024 2:7cf2ef9c51da 20 //#define _DEBUG
thursday1024 2:7cf2ef9c51da 21 #define DEFAULT_SLAVE_ADDRESS (0x76 << 1)
thursday1024 2:7cf2ef9c51da 22
thursday1024 2:7cf2ef9c51da 23 #ifdef _DEBUG
thursday1024 2:7cf2ef9c51da 24 extern Serial pc;
thursday1024 2:7cf2ef9c51da 25 #define DEBUG_PRINT(...) pc.printf(__VA_ARGS__)
thursday1024 2:7cf2ef9c51da 26 #else
thursday1024 2:7cf2ef9c51da 27 #define DEBUG_PRINT(...)
thursday1024 2:7cf2ef9c51da 28 #endif
thursday1024 2:7cf2ef9c51da 29
thursday1024 2:7cf2ef9c51da 30
thursday1024 2:7cf2ef9c51da 31 /** BME280 class
thursday1024 2:7cf2ef9c51da 32 *
thursday1024 2:7cf2ef9c51da 33 * BME280: A library to correct environmental data using Boshe BME280 device
thursday1024 2:7cf2ef9c51da 34 *
thursday1024 2:7cf2ef9c51da 35 * BME280 is an environmental sensor
thursday1024 2:7cf2ef9c51da 36 * @endcode
thursday1024 2:7cf2ef9c51da 37 */
thursday1024 2:7cf2ef9c51da 38
thursday1024 2:7cf2ef9c51da 39 class BME280
thursday1024 2:7cf2ef9c51da 40 {
thursday1024 2:7cf2ef9c51da 41 public:
thursday1024 2:7cf2ef9c51da 42
thursday1024 2:7cf2ef9c51da 43 /** Create a BME280 instance
thursday1024 2:7cf2ef9c51da 44 * which is connected to specified I2C pins with specified address
thursday1024 2:7cf2ef9c51da 45 *
thursday1024 2:7cf2ef9c51da 46 * @param sda I2C-bus SDA pin
thursday1024 2:7cf2ef9c51da 47 * @param scl I2C-bus SCL pin
thursday1024 2:7cf2ef9c51da 48 * @param slave_adr (option) I2C-bus address (default: 0x76)
thursday1024 2:7cf2ef9c51da 49 */
thursday1024 2:7cf2ef9c51da 50 BME280(PinName sda, PinName sck, char slave_adr = DEFAULT_SLAVE_ADDRESS);
thursday1024 2:7cf2ef9c51da 51
thursday1024 2:7cf2ef9c51da 52 /** Create a BME280 instance
thursday1024 2:7cf2ef9c51da 53 * which is connected to specified I2C pins with specified address
thursday1024 2:7cf2ef9c51da 54 *
thursday1024 2:7cf2ef9c51da 55 * @param i2c_obj I2C object (instance)
thursday1024 2:7cf2ef9c51da 56 * @param slave_adr (option) I2C-bus address (default: 0x76)
thursday1024 2:7cf2ef9c51da 57 */
thursday1024 2:7cf2ef9c51da 58 BME280(I2C &i2c_obj, char slave_adr = DEFAULT_SLAVE_ADDRESS);
thursday1024 2:7cf2ef9c51da 59
thursday1024 2:7cf2ef9c51da 60 /** Destructor of BME280
thursday1024 2:7cf2ef9c51da 61 */
thursday1024 2:7cf2ef9c51da 62 virtual ~BME280();
thursday1024 2:7cf2ef9c51da 63
thursday1024 2:7cf2ef9c51da 64 /** Initializa BME280 sensor
thursday1024 2:7cf2ef9c51da 65 *
thursday1024 2:7cf2ef9c51da 66 * Configure sensor setting and read parameters for calibration
thursday1024 2:7cf2ef9c51da 67 *
thursday1024 2:7cf2ef9c51da 68 */
thursday1024 2:7cf2ef9c51da 69 void initialize(void);
thursday1024 2:7cf2ef9c51da 70
thursday1024 2:7cf2ef9c51da 71 /** Read the current temperature value (degree Celsius) from BME280 sensor
thursday1024 2:7cf2ef9c51da 72 *
thursday1024 2:7cf2ef9c51da 73 */
thursday1024 2:7cf2ef9c51da 74 float getTemperature(void);
thursday1024 2:7cf2ef9c51da 75
thursday1024 2:7cf2ef9c51da 76 /** Read the current pressure value (hectopascal)from BME280 sensor
thursday1024 2:7cf2ef9c51da 77 *
thursday1024 2:7cf2ef9c51da 78 */
thursday1024 2:7cf2ef9c51da 79 float getPressure(void);
thursday1024 2:7cf2ef9c51da 80
thursday1024 2:7cf2ef9c51da 81 /** Read the current humidity value (humidity %) from BME280 sensor
thursday1024 2:7cf2ef9c51da 82 *
thursday1024 2:7cf2ef9c51da 83 */
thursday1024 2:7cf2ef9c51da 84 float getHumidity(void);
thursday1024 2:7cf2ef9c51da 85
thursday1024 2:7cf2ef9c51da 86 private:
thursday1024 2:7cf2ef9c51da 87
thursday1024 2:7cf2ef9c51da 88 I2C *i2c_p;
thursday1024 2:7cf2ef9c51da 89 I2C &i2c;
thursday1024 2:7cf2ef9c51da 90 char address;
thursday1024 2:7cf2ef9c51da 91 uint16_t dig_T1;
thursday1024 2:7cf2ef9c51da 92 int16_t dig_T2, dig_T3;
thursday1024 2:7cf2ef9c51da 93 uint16_t dig_P1;
thursday1024 2:7cf2ef9c51da 94 int16_t dig_P2, dig_P3, dig_P4, dig_P5, dig_P6, dig_P7, dig_P8, dig_P9;
thursday1024 2:7cf2ef9c51da 95 uint16_t dig_H1, dig_H3;
thursday1024 2:7cf2ef9c51da 96 int16_t dig_H2, dig_H4, dig_H5, dig_H6;
thursday1024 2:7cf2ef9c51da 97 int32_t t_fine;
thursday1024 2:7cf2ef9c51da 98
thursday1024 2:7cf2ef9c51da 99 };
thursday1024 2:7cf2ef9c51da 100
thursday1024 2:7cf2ef9c51da 101 #endif // MBED_BME280_H
thursday1024 2:7cf2ef9c51da 102