Edutech IoT Team / SI1145

si1145 library

Dependents:   FRDM_ApplicationShield_GroveSensors

SI1145.h@3:efef49daeb13, 2015-06-12 (annotated)

Committer:
caseyquinn
Date:
Fri Jun 12 22:08:12 2015 +0000
Revision:
3:efef49daeb13
Parent:
2:4d89a48e6174
Child:
6:642ece0fad39
Changed UV value from an int to a float and divided by 100 to give the actual UV index value.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ngood 0:0490a77adbc5 1 /**
ngood 0:0490a77adbc5 2 * SI1145 Digital UV Index / IR / Visible Light Sensor library
ngood 0:0490a77adbc5 3 * @author N Good
ngood 0:0490a77adbc5 4 * @date 5-May-2015
ngood 0:0490a77adbc5 5 * Library for "SI1145 Digital UV Index / IR / Visible Light Sensor" from adafruit
ngood 0:0490a77adbc5 6 * https://www.adafruit.com/products/1777
ngood 0:0490a77adbc5 7 */
ngood 0:0490a77adbc5 8
ngood 0:0490a77adbc5 9 #include "mbed.h"
caseyquinn 2:4d89a48e6174 10 #define SI1145_ADDRESS (0x60 << 1)
ngood 0:0490a77adbc5 11 extern Serial pc;
ngood 0:0490a77adbc5 12
ngood 0:0490a77adbc5 13 /** SI1145 class
ngood 0:0490a77adbc5 14 * SI1145: A library to correct environmental data using adafruit SI1145 device
ngood 0:0490a77adbc5 15 */
ngood 0:0490a77adbc5 16
ngood 0:0490a77adbc5 17 class SI1145
ngood 0:0490a77adbc5 18 {
ngood 0:0490a77adbc5 19 public:
ngood 0:0490a77adbc5 20
ngood 0:0490a77adbc5 21 /** Create a SI1145 instance
ngood 0:0490a77adbc5 22 * which is connected to specified I2C pins with specified address
ngood 0:0490a77adbc5 23 * @param sda I2C-bus SDA pin
ngood 0:0490a77adbc5 24 * @param scl I2C-bus SCL pin
ngood 0:0490a77adbc5 25 * @param slave_adr (option) I2C-bus address (default: 0x60)
ngood 0:0490a77adbc5 26 */
caseyquinn 2:4d89a48e6174 27 SI1145(PinName sda, PinName sck, char slave_adr = SI1145_ADDRESS);
ngood 0:0490a77adbc5 28 /** Create a SI1145 instance
ngood 0:0490a77adbc5 29 * which is connected to specified I2C pins with specified address
ngood 0:0490a77adbc5 30 * @param i2c_obj I2C object (instance)
ngood 0:0490a77adbc5 31 * @param slave_adr (option) I2C-bus address (default: 0x60)
ngood 0:0490a77adbc5 32 */
caseyquinn 2:4d89a48e6174 33 SI1145(I2C &i2c_obj, char slave_adr = SI1145_ADDRESS);
ngood 0:0490a77adbc5 34 /** Destructor of SI1145
ngood 0:0490a77adbc5 35 */
ngood 0:0490a77adbc5 36 //virtual ~SI1145();
ngood 0:0490a77adbc5 37 /** Initialize SI1145 sensor
ngood 0:0490a77adbc5 38 * Configure sensor setting and read parameters for calibration
ngood 0:0490a77adbc5 39 */
ngood 0:0490a77adbc5 40 void initalize(void);
ngood 0:0490a77adbc5 41 /** Begin Initialization SI1145 sensor
ngood 0:0490a77adbc5 42 * Configure sensor setting and read parameters for calibration
ngood 0:0490a77adbc5 43 */
caseyquinn 3:efef49daeb13 44 float getUV(void);
ngood 0:0490a77adbc5 45 /** Read the current VIS value from SI1145 sensor
ngood 0:0490a77adbc5 46 */
caseyquinn 1:8587b5583343 47 uint16_t getVIS(void);
ngood 0:0490a77adbc5 48 float getUVlsb(void);
ngood 0:0490a77adbc5 49 float getUVmsb(void);
ngood 0:0490a77adbc5 50 /** Read the current IR value from SI1145 sensor
ngood 0:0490a77adbc5 51 */
caseyquinn 1:8587b5583343 52 uint16_t getIR(void);
ngood 0:0490a77adbc5 53 /** Read the current PROX value from SI1145 sensor
ngood 0:0490a77adbc5 54 */
caseyquinn 1:8587b5583343 55 uint16_t getPROX(void);
ngood 0:0490a77adbc5 56
ngood 0:0490a77adbc5 57 private:
ngood 0:0490a77adbc5 58
ngood 0:0490a77adbc5 59 I2C *i2c_p;
ngood 0:0490a77adbc5 60 I2C &i2c;
ngood 0:0490a77adbc5 61 char address;
ngood 0:0490a77adbc5 62 int32_t t_fine;
ngood 0:0490a77adbc5 63 };
ngood 0:0490a77adbc5 64