Diff: MPL115A2.h

Revision:

2:d77bd4340924

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MPL115A2.h	Sat May 14 17:29:51 2011 +0000
@@ -0,0 +1,52 @@
+#ifndef MPL115A2
+#define MPL115A
+
+#include "mbed.h"
+
+/**
+ * MPL115A2 (I2C) pressure sensor
+ */
+
+class MPL115A2 {
+public:
+    /**
+    * Create an MPL115A(I2C) interface with specified pins
+    *
+    * @param PinName sda SDA pin (default = p9)
+    * @param PinName scl SCL pin (default = p10)
+    */
+    MPL115A2(PinName sda = p9, PinName scl = p10) : i2c(sda, scl) {
+    }
+
+    /**
+    * Read current pressure and/or temperature
+    *
+    * @param puressure pointer to a float area to receive pressure
+    * @param padc pointer to an int area to receive pressure adc value
+    * @param tadc pointer to an int area to receive temperature adc value
+    * @param data pointer to an array of adc's and coefficients (byte array of size 16)
+    *
+    * @returns 0 (success), or -1 (I2C error)
+    */
+
+    int read(float *pressure, char *data);
+    
+    /**
+    * Read current pressure
+    *
+    * @returns current pressure (in hPa)
+    */
+    float readPressure();
+
+    /**
+    * Operator shorthand for readPressure()
+    */
+    operator float() {
+        return readPressure();
+    }
+
+private:
+    I2C i2c;
+};
+
+#endif
\ No newline at end of file