CHENGQI YANG / FM24V10

A ferroelectric random access memory or F-RAM is nonvolatile and performs reads and writes similar to a RAM.

Dependents:   Memoria

Diff: FM24V10.h

Revision:
0:e4b7a2f63736
Child:
1:b9f6d029c760
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/FM24V10.h	Tue Feb 03 19:56:43 2015 +0000
@@ -0,0 +1,48 @@
+#ifndef UK_AC_HERTS_SMARTLAB_FM24V10
+#define UK_AC_HERTS_SMARTLAB_FM24V10
+
+#include "mbed.h"
+
+class FM24V10
+{
+public :
+    enum SPEED_MODE {
+        STANDARD,FULL,FAST,HIGH
+    };
+
+    FM24V10(PinName sda, PinName scl, bool A1, bool A2);
+
+    FM24V10(PinName sda, PinName scl, bool A1, bool A2, SPEED_MODE speed);
+
+    void WriteShort(int position, int value, bool Hs_mode);
+    
+    void WriteShort(int position, int * value, int size, bool Hs_mode);
+
+    void ReadShort(int position, int * value, int size, bool Hs_mode);
+    
+    int ReadShort(int position, bool Hs_mode);
+    
+private :
+    static const int HS_COMMAND = 0x09;
+
+    static const int FREQUENCY_STANDARD = 100000;
+    static const int FREQUENCY_FULL = 400000;
+    static const int FREQUENCY_FAST = 1000000;
+    static const int FREQUENCY_HIGH = 3200000;
+
+    I2C _i2c_bus;
+    int _speed;
+    int _addr;
+    
+    int result;
+
+    void Init(bool A1, bool A2);
+
+    void GetSlaveAddress(int position);
+
+    void StartHS();
+
+    void StopHS();
+};
+
+#endif
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