Diff: ds1338.h

Revision:

0:69d7ae72902c

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ds1338.h	Tue Oct 11 13:24:16 2016 +0000
@@ -0,0 +1,51 @@
+#ifndef __EEPROM__H_
+#define __EEPROM__H_
+
+#include "mbed.h"
+
+#define DS1338_ADR     0xd0
+#define DS1338_BUFFER_SIZE 10
+
+
+/**
+ * class to use a DS1338 rtc
+ */
+class DS1338 {
+public:
+    /*
+     * Constructor, initialize the ds1338 on i2c interface.
+     * @param sda : sda i2c pin (PinName)
+     * @param scl : scl i2c pin (PinName)
+    */
+    DS1338(PinName sda, PinName scl);
+    /**
+     * read bytes
+     * @param adr the start address
+     * @param count number of byte to read
+     * @param data where to put the bytes
+     * @return the byte
+     */
+    void read(unsigned char adr,unsigned char count,char * data);
+    /**
+     * write bytes
+     * @param adr the start address
+     * @param count number of byte to write
+     * @param data to be written
+     * @return the byte
+     */
+    void write(unsigned char adr,unsigned char count,char * data);
+    /**
+     * read the current time
+     * @param x the time;
+     */
+    void readTime(tm * x);
+    /**
+     * read the current time
+     * @param x the time;
+     */
+    void writeTime(tm * x);
+private:
+    I2C _i2c;
+    char buffer[DS1338_BUFFER_SIZE];
+};
+#endif