Diff: BME280.h

Revision:

3:fecb1929cbef

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/BME280.h	Mon Apr 04 08:49:41 2016 +0000
@@ -0,0 +1,50 @@
+#ifndef BME280_H
+#define BME280_H
+
+#include "mbed.h"
+
+#define BME280_ADDR_H       (0x77)
+#define BME280_ADDR_L       (0x76)
+
+#define BME280_CTRL_HUM     (0xF2)
+#define BME280_CTRL_MEAS    (0xF4)
+
+typedef enum {
+    BME280_SAMPLING_X1    = 0x01,
+    BME280_SAMPLING_X2    = 0x02,
+    BME280_SAMPLING_X4    = 0x03,
+    BME280_SAMPLING_X8    = 0x04,
+    BME280_SAMPLING_X16   = 0x05,
+} bme280_sampling_t;
+
+typedef enum{
+    BME280_MODE_SLEEP   = 0x00,
+    BME280_MODE_FORCED1 = 0x01,
+    BME280_MODE_FORCED2 = 0x02,
+    BME280_MODE_NORMAL  = 0x03,
+} bme280_mode_t;
+
+class BME280
+{
+public:
+    BME280(I2C& bme280_i2c, uint8_t bme280_addr=BME280_ADDR_H);
+    //virtual ~BME280();
+    bool init(void);
+    float getTemperature(void);
+    float getPressure(void);
+    float getHumidity(void);
+
+protected:
+    I2C         _i2c;
+    uint8_t     _addr;
+    bool        _init;
+    uint16_t    dig_T1;
+    int16_t     dig_T2, dig_T3;
+    uint16_t    dig_P1;
+    int16_t     dig_P2, dig_P3, dig_P4, dig_P5, dig_P6, dig_P7, dig_P8, dig_P9;
+    uint16_t    dig_H1, dig_H3;
+    int16_t     dig_H2, dig_H4, dig_H5, dig_H6;
+    int32_t     t_fine;
+};
+
+#endif
\ No newline at end of file