FM24V10.h

00001 #ifndef UK_AC_HERTS_SMARTLAB_FM24V10
00002 #define UK_AC_HERTS_SMARTLAB_FM24V10
00003 
00004 #include "mbed.h"
00005 
00006 class FM24V10
00007 {
00008 public :
00009     /*
00010     *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.
00011     */
00012     enum SPEED_MODE {
00013         STANDARD,FULL,FAST,HIGH
00014     };
00015 
00016     FM24V10(PinName sda, PinName scl, bool A1, bool A2, SPEED_MODE speed = FULL);
00017 
00018     void WriteShort(int position, int value, bool Hs_mode = false);
00019 
00020     void WriteShort(int position, int * value, int size, bool Hs_mode = false);
00021 
00022     void ReadShort(int position, int * value, int size, bool Hs_mode = false);
00023 
00024     int ReadShort(int position, bool Hs_mode = false);
00025 
00026 private :
00027     static const int HS_COMMAND = 0x09;
00028 
00029     static const int FREQUENCY_STANDARD = 100000;
00030     static const int FREQUENCY_FULL = 400000;
00031     static const int FREQUENCY_FAST = 1000000;
00032     static const int FREQUENCY_HIGH = 3200000;
00033 
00034     I2C _i2c_bus;
00035     int _speed;
00036     int _addr;
00037 
00038     int result;
00039 
00040     void Init(bool A1, bool A2);
00041 
00042     void GetSlaveAddress(int position);
00043 
00044     void StartHS();
00045 
00046     void StopHS();
00047 };
00048 
00049 #endif