CHENGQI YANG / FM24V10

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

Dependents:   Memoria

Files at this revision

API Documentation at this revision

Revision 1:b9f6d029c760, committed 2016-03-08

Comitter:
yangcq88517
Date:
Tue Mar 08 22:59:15 2016 +0000
Parent:
0:e4b7a2f63736
Commit message:
16 bit value only

Changed in this revision

FM24V10.cpp Show annotated file Show diff for this revision Revisions of this file
FM24V10.h Show annotated file Show diff for this revision Revisions of this file 
--- a/FM24V10.cpp	Tue Feb 03 19:56:43 2015 +0000
+++ b/FM24V10.cpp	Tue Mar 08 22:59:15 2016 +0000
@@ -2,11 +2,6 @@
 
 // A1 pin ground == false
 // A2 pin ground == false
-FM24V10::FM24V10(PinName sda, PinName scl, bool A1, bool A2): _i2c_bus(sda,scl)
-{
-    _speed = FREQUENCY_FULL;
-    Init(A1, A2);
-}
 
 FM24V10::FM24V10(PinName sda, PinName scl, bool A1, bool A2, SPEED_MODE speed): _i2c_bus(sda,scl)
 {

--- a/FM24V10.h	Tue Feb 03 19:56:43 2015 +0000
+++ b/FM24V10.h	Tue Mar 08 22:59:15 2016 +0000
@@ -6,22 +6,23 @@
 class FM24V10
 {
 public :
+    /*
+    *The speed grades (standard mode: 100 kbit/s, full speed: 400 kbit/s, fast mode: 1 mbit/s, high speed: 3,2 Mbit/s) are maximum ratings. Compliant hardware guaranties that it can handle transmission speed up to the maximum clock rate specified by the mode.
+    */
     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 = FULL);
 
-    FM24V10(PinName sda, PinName scl, bool A1, bool A2, SPEED_MODE speed);
+    void WriteShort(int position, int value, bool Hs_mode = false);
 
-    void WriteShort(int position, int value, bool Hs_mode);
-    
-    void WriteShort(int position, int * value, int size, bool Hs_mode);
+    void WriteShort(int position, int * value, int size, bool Hs_mode = false);
 
-    void ReadShort(int position, int * value, int size, bool Hs_mode);
-    
-    int ReadShort(int position, bool Hs_mode);
-    
+    void ReadShort(int position, int * value, int size, bool Hs_mode = false);
+
+    int ReadShort(int position, bool Hs_mode = false);
+
 private :
     static const int HS_COMMAND = 0x09;
 
@@ -33,7 +34,7 @@
     I2C _i2c_bus;
     int _speed;
     int _addr;
-    
+
     int result;
 
     void Init(bool A1, bool A2);