Diff: ICE-Application/src/Drivers/i2c_eeprom.h

Revision:

0:61364762ee0e

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ICE-Application/src/Drivers/i2c_eeprom.h	Tue Jan 24 19:05:33 2017 +0000
@@ -0,0 +1,62 @@
+/*H****************************************************************************
+ * FILENAME :        i2c_eeprom.h                                             *
+ *                                                                            *
+ * DESCRIPTION :                                                              *
+ *       Simple library for external I2C EEEPROM.                             *
+ *                                                                            *
+ * AUTHOR :    Olli Vanhoja        START DATE :    2011-02-17                 *
+ ******************************************************************************
+ *
+ * CHANGES :
+ *
+ * VERSION DATE       WHO            DETAIL
+ * 0.1     2011-02-21 Olli Vanhoja   Initial release version
+ * 0.2     2011-02-21 Olli Vanhoja   *Added possibility change I2C speed
+ *                                   *Added external reset pin and autoreset
+ *                                    for read function. Thanks to Jon Ward.
+ *                                   *Documentational comments added.
+ * 0.3     2011-02-21 Olli Vanhoja   *Auto-reset for all error conditions
+ *
+ *H*/
+ 
+#ifndef I2C_EEPROM_H
+#define I2C_EEPROM_H
+ 
+/** I2C EEPROM access class
+ * 
+ * This class is used for communication with I2C EEPROM chip.
+ */
+class i2c_eeprom {
+private:
+    int i_i2c_address; // I2C harware address
+    void autoreset();
+public:
+    /** Initialize communication
+    *
+    * @param hwAddr Harware address of the I2C EEPROM chip.
+    * @param speed I2C bus speed.
+    */
+    i2c_eeprom(int hwAddr, int speed);
+    
+    /** Write to I2C EEPROM
+    *
+    * Write any length of bytes to external EEPROM.
+    *
+    * @param *data Array of bytes.
+    * @param iAddr Memory address.
+    * @param n Write n bytes.
+    */
+    void write(char *data, uint16_t iAddr, unsigned int n);
+    
+    /** Read from I2C EEPROM
+    *
+    * Read any length of bytes from external EEPROM.
+    *
+    * @param iAddr Memory address.
+    * @param n Read n bytes.
+    * @param *out Returns array of bytes.
+    */
+    void read(uint16_t iAddr, uint16_t n, char *out);
+};
+ 
+#endif