Diff: MCP9808.h

Revision:

0:46326feade89

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MCP9808.h	Tue Apr 12 09:02:48 2016 +0000
@@ -0,0 +1,67 @@
+#ifndef MPC9808_H
+#define MPC9808_H
+
+#include "mbed.h"
+
+/** MCP9808 class.
+ *  Used for read MCP9808 ±0.5°C Maximum Accuracy Digital Temperature Sensor
+ *
+ * Example:
+ * @code
+ *#include "mbed.h"
+ *#include "MCP9808.h"
+ *
+ *DigitalOut myled(LED1);
+ *I2C i2cBus(D14,D15);
+ *MCP9808 therm(&i2cBus, true, true, true);
+ *
+ *int main() 
+ *{
+ *   while(1) 
+ *   {
+ *       myled = !myled; // Toggle LED
+ *       wait(0.2); // 200 ms
+ *       printf("Temperature=%03.6f*C\r\n",therm.getTemp());
+ *   }
+ *}
+ * @endcode
+ */  
+class MCP9808
+{
+    public:
+        /** Create MCP9808 instance connected to I2C bus
+        * @param *i2c I2C bus already initialized
+        * @param a0 bool indicate a0 pin state to compute I2C address
+        * @param a1 bool indicate a1 pin state to compute I2C address
+        * @param a2 bool indicate a2 pin state to compute I2C address
+        */
+        MCP9808(I2C *i2c, bool a0=false, bool a1=false, bool a2=false);
+        
+        /**Get MCP9808 abient temperature
+        * @returns temperature [°C]
+        */    
+        float getTemp(void);
+        
+#ifdef MBED_OPERATORS
+    /** An operator shorthand for getTemp()
+     *
+     * The float() operator can be used as a shorthand for getTemp() to simplify common code sequences
+     *
+     * Example:
+     * @code
+     * float x = therm.getTemp();
+     * float x = therm;
+     *
+     * if(therm.getTemp() > 20.25) { ... }
+     * if(therm > 20.25) { ... }
+     * @endcode
+     */
+    operator float(){return getTemp();}
+#endif
+              
+    private:
+        I2C *_i2c;
+        int _addr;
+};
+
+#endif