Diff: bmp085.h

Revision:

0:904377b11e64

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/bmp085.h	Wed Mar 11 06:50:27 2015 +0000
@@ -0,0 +1,59 @@
+/*
+ * BMP085 Sensor Library for mbed
+ */
+
+#ifndef BMP085_H
+#define BMP085_H
+
+#include "mbed.h"
+
+/**
+ * BMP085 Class to read temprature & pressure from BMP085(GY-65)
+ *
+ */
+class BMP085
+{
+public:
+    /**
+     * BMP085 constructor
+     * @param sda SDA pin
+     * @param sdl SCL pin
+     * @param addr addr of the I2C peripheral
+     */
+    BMP085(PinName sda, PinName scl);
+
+    void read(int32_t * temperature, int32_t * pressure);
+    void set_oversampling(int osrs);
+    
+    static const float p0;
+    static float altitude(float p);
+    
+
+private:
+    I2C m_i2c;
+    char m_addr;
+    
+    int16_t ac1;
+    int16_t ac2;
+    int16_t ac3;
+    uint16_t ac4;
+    uint16_t ac5;
+    uint16_t ac6;
+    int16_t b1;
+    int16_t b2;
+    int16_t mb;
+    int16_t mc;
+    int16_t md;
+    
+    uint8_t oss;
+    
+    void writeRegs(uint8_t * data, int len);
+    void readRegs(int addr, uint8_t * data, int len);
+    
+    void calibration(void);
+    int32_t read_pressure(void);
+    int32_t read_temp(void);
+};
+#endif
+
+