Diff: BMP085.h

Revision:

4:608e9604ca26

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/BMP085.h	Sun Jan 08 22:06:54 2017 +0000
@@ -0,0 +1,56 @@
+/*
+ * mbed library to use a Bosch Sensortec BMP085/BMP180 sensor
+ * Copyright (c) 2010 Hiroshi Suga
+ * Released under the MIT License: http://mbed.org/license/mit
+ */
+ 
+/** @file BMP085.h
+ * @brief mbed library to use a Bosch Sensortec BMP085/BMP180 sensor
+ * barometric pressure sensor BMP085/BMP180 (Bosch Sensortec)
+ * interface: I2C digital
+ */
+ 
+#ifndef BMP085_H
+#define BMP085_H
+
+#include "mbed.h"
+
+/**
+ * @brief over sampling setting
+ */
+enum BMP085_oss {
+    BMP085_oss1 = 0, ///< ultra low power (1 time)
+    BMP085_oss2 = 1, ///< standard (2 times)
+    BMP085_oss4 = 2, ///< high resolution (4 times)
+    BMP085_oss8 = 3  ///< ultra high resolution (8 times)
+};
+
+/**
+ * @brief BMP085 class
+ */
+class BMP085 {
+public:
+    BMP085(PinName p_sda, PinName p_scl, BMP085_oss p_oss = BMP085_oss1);
+    BMP085(I2C& p_i2c, BMP085_oss p_oss = BMP085_oss1);
+
+    float get_temperature();
+    float get_pressure();
+    void update();
+
+protected:
+    void init(BMP085_oss);
+    unsigned short twi_readshort (int, int);
+    unsigned long twi_readlong (int, int);
+    void twi_writechar (int, int, int);
+
+    I2C i2c;
+    float temperature;
+    float pressure;
+
+private:
+
+    short ac1, ac2, ac3, b1, b2, mb, mc, md, oss;
+    unsigned short ac4, ac5, ac6;
+};
+
+#endif
\ No newline at end of file