Serial_Receive.h

00001 #ifndef Serial_Receive_h
00002 #define Serial_Receive_h
00003 
00004 #include "mbed.h"
00005 #include <string>
00006 
00007 //vars for Serial packet recieve
00008 int receivePacket();
00009 #define SOP '<'
00010 #define EOP '>'
00011 bool started = false;
00012 bool ended = false;
00013 char inData[80];
00014 unsigned char index;
00015 
00016 //Vars to process packet
00017 int newData[7] = {0};
00018 char * val;
00019 char * tissue_type_name;
00020 int count = 0;
00021 std::string inString;
00022 
00023 int receivePacket(Serial &serialObject){
00024  //receive data packet
00025   while(serialObject.readable() > 0)
00026   {
00027     char inChar = serialObject.getc();
00028     
00029     if(inChar == SOP)
00030     {
00031       index = 0;
00032       inData[index] = '\0';
00033       started = true;
00034       ended = false;
00035     }
00036     else if(inChar == EOP)
00037     {
00038       ended = true;
00039       break;
00040     }
00041     else
00042     {
00043       if(index < 79)
00044       {
00045         inData[index] = inChar;
00046         index++;
00047         inData[index] = '\0';
00048       }
00049     }
00050   }
00051   // We are here either because all pending serial
00052   // data has been read OR because an end of
00053   // packet marker arrived. Which is it?
00054   if(started && ended)
00055   {
00056     inString=std::string(inData);
00057     tissue_type_name = strtok (inData,",");
00058         
00059     //newData[count] = atoi(val);
00060         
00061     while ((val = strtok (NULL, ",")) != NULL)
00062     {
00063       newData[++count] = atoi(val);
00064     }
00065         
00066     // Reset for the next packet
00067     started = false;
00068     ended = false;
00069     index = 0;
00070     inData[index] = '\0';
00071     count = 0;
00072     
00073     // Flush any remaining characters from the buffer
00074     while(serialObject.readable() > 0)
00075     {
00076       serialObject.getc();
00077     }
00078     
00079     return 1;
00080   }
00081   return 0;
00082 }
00083 
00084 
00085 #endif