Diff: MCP9808.h

Revision:

0:f8e8cccfd476

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MCP9808.h	Sun Oct 11 18:40:27 2015 +0000
@@ -0,0 +1,51 @@
+/** mbded library for driving the MCP9808 Temperature sensor
+* datasheet link : http://ww1.microchip.com/downloads/en/DeviceDoc/25095A.pdf
+* breakout       : Adafruit MCP9808 Breakout board
+* Christoph Suter (code based on Richard Kadrmas Nucleo-MCP9808 sample)
+*/
+
+
+#include "mbed.h"
+
+
+#ifndef MBED_DS3231_H
+#define MBED_DS3231_H
+//MCP9808 8 bit adress
+#define MCP9808_ADDR     (0x30) // MCP9808 base address 0x18<<1
+
+#define MCP9808_REG_TEMP (0x05) // Temperature Register
+#define MCP9808_REG_CONF (0x01) // Configuration Register
+
+/* Interface to MAXIM DS3231 RTC */
+class MCP9808
+    {public :
+     /** Create an instance of the MCP9808 connected to specfied I2C pins
+     *
+     * @param sda The I2C data pin
+     * @param scl The I2C clock pin
+     */
+     MCP9808(PinName sda, PinName scl);
+     
+     /** Read the temperature
+     *
+     * @return The temperature
+     */
+     float readTemp();
+     
+     /** Go to sleep
+     */
+     void goSleep();
+     
+     /** Wake up
+     */
+     void wakeUp();
+     
+     
+     private :
+     I2C i2c;
+     char data_write[3];
+     char data_read[2];
+     float tempval;
+     };
+     
+#endif
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