Diff: BME280.h

Revision:

0:b32d0acc420d

diff -r 000000000000 -r b32d0acc420d BME280.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/BME280.h	Mon Nov 23 07:50:28 2015 +0000
@@ -0,0 +1,150 @@
+//**********************
+// BME280.h for mbed
+//
+// (C)Copyright 2015 All rights reserved by Y.Onodera
+// http://einstlab.web.fc2.com
+//**********************
+#ifndef BME280_H_
+#define BME280_H_
+
+#define BME280_ADDR            0xEC
+#define hum_lsb     0xFE
+#define hum_msb     0xFD
+#define temp_xlsb   0xFC
+#define temp_lsb    0xFB
+#define temp_msb    0xFA
+#define press_xlsb  0xF9
+#define press_lsb   0xF8
+#define press_msb   0xF7
+#define config      0xF5
+#define ctrl_meas   0xF4
+#define status      0xF3
+#define ctrl_hum    0xF2
+#define calib41     0xF0
+#define calib40     0xEF
+#define calib39     0xEE
+#define calib38     0xED
+#define calib37     0xEC
+#define calib36     0xEB
+#define calib35     0xEA
+#define calib34     0xE9
+#define calib33     0xE8
+#define calib32     0xE7
+#define calib31     0xE6
+#define calib30     0xE5
+#define calib29     0xE4
+#define calib28     0xE3
+#define calib27     0xE2
+#define calib26     0xE1
+#define reset       0xE0
+#define id      0xD0
+#define calib25     0xA1
+#define calib24     0xA0
+#define calib23     0x9F
+#define calib22     0x9E
+#define calib21     0x9D
+#define calib20     0x9C
+#define calib19     0x9B
+#define calib18     0x9A
+#define calib17     0x99
+#define calib16     0x98
+#define calib15     0x97
+#define calib14     0x96
+#define calib13     0x95
+#define calib12     0x94
+#define calib11     0x93
+#define calib10     0x92
+#define calib09     0x91
+#define calib08     0x90
+#define calib07     0x8F
+#define calib06     0x8E
+#define calib05     0x8D
+#define calib04     0x8C
+#define calib03     0x8B
+#define calib02     0x8A
+#define calib01     0x89
+#define calib00     0x88
+
+#include "mbed.h"
+
+// see BST-BME280-DS001-10
+#define BME280_S32_t    signed int
+#define BME280_S64_t    signed long long
+#define BME280_U32_t    unsigned int
+
+
+union WORD32 {
+    signed int  s32;
+    unsigned int    u32;
+    struct {
+        unsigned char dummy;
+        unsigned char XLSB;
+        unsigned char LSB;
+        unsigned char MSB;
+    };
+};
+
+union WORD16 {
+    signed short    s16;
+    unsigned short  u16;
+    struct {
+        unsigned char   LSB;
+        unsigned char   MSB;
+    };
+};
+
+
+class BME280{
+public:
+    BME280 (PinName sda, PinName scl);
+    BME280 (I2C& p_i2c);
+
+    void set(unsigned char a,unsigned char b);
+    unsigned char get(unsigned char a);
+    void getALL();
+    unsigned int humidity();
+    signed int temperature();
+    unsigned int pressure();
+    void init();
+
+protected:
+    
+    I2C _i2c;
+
+    union WORD16 calib;
+    union WORD16 hum;
+    union WORD32 temp;
+    union WORD32 press;
+    char buf[8];
+
+    unsigned short dig_T1;
+    signed short dig_T2;
+    signed short dig_T3;
+    unsigned short dig_P1;
+    signed short dig_P2;
+    signed short dig_P3;
+    signed short dig_P4;
+    signed short dig_P5;
+    signed short dig_P6;
+    signed short dig_P7;
+    signed short dig_P8;
+    signed short dig_P9;
+    unsigned char dig_H1;
+    signed short dig_H2;
+    unsigned char dig_H3;
+    signed short dig_H4;
+    signed short dig_H5;
+    signed char dig_H6;
+
+    BME280_S32_t t_fine;
+    BME280_S32_t BME280_compensate_T_int32(BME280_S32_t adc_T);
+    BME280_U32_t BME280_compensate_P_int64(BME280_S32_t adc_P);
+    BME280_U32_t BME280_compensate_H_int32(BME280_S32_t adc_H);
+    unsigned int t;
+    signed int p;
+    signed int h;
+};
+
+#endif /* BME280_H_ */
+
+