Hi All
I am developing a C/C++ (Windows) based Listener to capture the tinyos packets
from COM port (provide BaseStation is attached to my COM port). My purpose is
to receive the data just as "java.net.tinyos.tools.Listen" captures the data
from BaseStation and use it then after. please guide If somebody can help in
this regard.
I have developed a small program in windows that can capture the packets from
serial port but the data received is not correct or same as java Listener. I am
attaching the program so that someone can have a look.
Please, if anyone have done work in this regard, please provide guidance.
Thanks in Advance
Yasir Javed Kiani
Research Engineer
R-TRACK project
# include <stdio.h>
#include <windows.h>
#include <stdlib.h>
#include <string.h>
#include <tchar.h>
#include<iostream>
# include<dos.h>
# include<time.h>
# include<fstream>
using namespace std;
using std::ofstream;
int main()
{
unsigned char chin[30];
char data[30];
ofstream outData;
outData.open("bbc.txt",ios::out | ios::app); // opens the file
if( !outData )
{
// file couldn't be opened
cerr << "Error: file could not be opened" <<
endl;
exit(1);
}
HANDLE hUSB = 0;
hUSB = CreateFileA("\\\\.\\COM8",GENERIC_READ|GENERIC_WRITE,
0, /* no share */
NULL, /* no
security */
OPEN_EXISTING,
0, /* no threads */
NULL); /* no templates */
if(hUSB==INVALID_HANDLE_VALUE) { printf("unable to open comport\n");
return(1); }
cout << "The Handle number is :- "<< hUSB <<endl;
//Initialize a configuration structure and get default
attributes
DCB dcbSerialParams = {0};
dcbSerialParams.DCBlength=sizeof(dcbSerialParams);
GetCommState(hUSB, &dcbSerialParams); //You should treat error
here. Check Comments section.
//Setting attributes of our interest
dcbSerialParams.BaudRate=CBR_115200; //If you dont use
Telosb, you might have to change here.
dcbSerialParams.ByteSize=8;
dcbSerialParams.StopBits=ONESTOPBIT;
dcbSerialParams.Parity=NOPARITY;
//Setting back the configuration to the serial port
SetCommState(hUSB, &dcbSerialParams); //Another place to treat
a possible failure.
int count =0;
DWORD dwBytesRead;
while(1)
{
ReadFile(hUSB, &chin,30, &dwBytesRead,NULL );
for(int i=0;i<21;i++){
printf("%x ",(int)chin[i]);
data[i]=chin[i];
outData << (int)chin[i];
}
printf("\n");
outData << endl;
Sleep(500);
cout<<count++<<":- ";
}
return 0;
}
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