main.cpp

00001 
00002 #include "mbed.h"
00003 
00004 
00005 Serial RfidUHF(PC_12,PD_2);
00006 
00007 
00008 unsigned char StopReadCode[5] = {0xa0,0x03,0xa8,0x00,0xb5};//Stop reading the label code
00009 unsigned char ResetCode[5]={0xa0,0x03,0x65,0x00,0xf8};//Reset code
00010 unsigned char StopReadCodeCB[6]={0xe0,0x04,0xa8,0x00,0x00,0x74};//Stop reading code success and return the value
00011 unsigned char ResetCodeCB[6]={0xe4,0x04,0x65,0x00,0x00,0xb3};//Reset code success and return the value
00012 unsigned char data[6]={};
00013 
00014     int main()
00015     {
00016          int i;
00017           int n=1;
00018           
00019        
00020         while(true)
00021         {
00022          
00023           wait(2.0);
00024               while(n)
00025               {
00026                 for(i=0; i<5;i++)
00027                 RfidUHF.putc(StopReadCode[i]);
00028                 wait(0.2);
00029                     if(RfidUHF.readable())
00030                     {
00031                       for(i=0;i<6;i++)
00032                           {
00033                             data[i]=RfidUHF.getc();
00034                             wait_ms(1);
00035                           }
00036                       for(i=0;i<6;i++)
00037                           {
00038                             if(data[i]==StopReadCodeCB[i])
00039                               n=0;
00040                             else
00041                               n=1;
00042                           }
00043                     }
00044                     wait(0.5);
00045              }
00046                  
00047                   n=1;
00048                   
00049                   while(n)
00050                   {
00051                     for(i=0; i<5;i++)
00052                     RfidUHF.putc(ResetCode[i]);
00053                     
00054                     wait(0.2);
00055                         if(RfidUHF.readable())
00056                         {
00057                               for(i=0;i<6;i++)
00058                               {
00059                                 data[i]=RfidUHF.getc();
00060                                 wait(1);
00061                               }
00062                               for(i=0;i<6;i++)
00063                               {
00064                                 if(data[i]==ResetCodeCB[i])
00065                                   n=0;
00066                                 else
00067                                   n=1;
00068                               }
00069                          }
00070                  wait(0.5);
00071                 } 
00072         }
00073     }