i2cmaster.h

00001 #ifndef MBED_I2CMASTER_H
00002 #define MBED_I2CMASTER_H
00003 
00004 #include "mbed.h"
00005 
00006 #define SendData        0
00007 #define RequestData     1
00008 
00009 class i2c : public I2C
00010 {
00011     public:
00012     i2c(PinName sda, PinName scl);
00013     /*{
00014         frequency(400000);
00015     }*/
00016     
00017     void sendi2c(char addr, char registar, int data, int size = 0);
00018     /*{
00019         if(size > 0)             size = size;
00020         else if(data > 0xFFFFFF) size = 4;
00021         else if(data > 0xFFFF)   size = 3;
00022         else if(data > 0xFF)     size = 2;
00023         else                     size = 1;
00024         char DATA[4] = {data & 0xFF, (data>>8) & 0xFF, (data>>16) & 0xFF, (data>>24) & 0xFF};
00025         char i2cData[3] = {size, registar, SendData};
00026         write(addr, i2cData, 3);
00027         write(addr, DATA, size);
00028     }*/
00029     
00030     int getSlaveData(char addr, char registar, int size = 1);
00031     /*{
00032         char i2cData[3] = {size, registar, RequestData};
00033         char getData[12] = {};
00034         write(addr, i2cData, 3);
00035         read(addr, getData, size);
00036         return getData[0] | (getData[1] << 8) | (getData[2] << 16) | (getData[3] << 24);
00037     }*/
00038 };
00039  
00040 #endif