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#include <vcl.h>
#include <stdio.h>
#include <io.h>
#include <fcntl.h>
#include <sys\stat.h>
#include <ostream.h>
#pragma hdrstop
//---------------------------------------------------------------------------
#pragma argsused
void EcrireOctetsEnChaineDecimaleVersFichierOuvert(std::ostream & fich, void const *data, size_t taille);
int main(int argc, char* argv[])
{
HANDLE hdl;
DCB dcb;
bool etat;
COMMTIMEOUTS timeouts={0};
unsigned char buf [20];
unsigned long nblu;
int handle;
hdl=CreateFile("COM5",GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, NULL);
if (hdl==INVALID_HANDLE_VALUE)
{
printf("erreur %d\n",GetLastError());
Sleep (2000);
return (1);
}
else
{
SetupComm(hdl,5000,5000);
printf ("ouverture reussie !\n\n");
etat=GetCommState(hdl, &dcb);
if (etat==false)
{
printf ("GetCommState erreur %d\n", GetLastError());
return (2);
}
else
{
printf ("GetCommState reussie\n\n");
}
dcb.BaudRate = CBR_38400;
dcb.ByteSize = 8;
dcb.Parity = NOPARITY;
dcb.StopBits = ONESTOPBIT;
etat=SetCommState(hdl,&dcb);
if (etat==false)
{
printf ("SetCommState erreur %d\n", GetLastError());
Sleep (2000);
return (3);
}
else
{
printf ("Vitesse : %d baud\n", dcb.BaudRate);
printf ("Bits de donnees : %d bits\n", dcb.ByteSize);
printf ("Parite : %s\n", dcb.Parity);
printf ("Bits de stop : 1 bit\n\n");
printf ("Com serie configuree !\n\n");
Sleep (2000);
}
int TimeoutRead=500;
timeouts.ReadIntervalTimeout=MAXWORD;
timeouts.ReadTotalTimeoutMultiplier=0;
timeouts.ReadTotalTimeoutConstant=TimeoutRead;
timeouts.WriteTotalTimeoutMultiplier=0;
timeouts.WriteTotalTimeoutConstant=0;
etat=SetCommTimeouts(hdl,&timeouts);
if (etat==false)
{
printf ("TimeOuts erreur %d\n", GetLastError());
return (4);
}
else
{
printf ("TimeOuts initialises\n\n");
}
handle = open("fichier.txt", O_APPEND | O_CREAT | O_TEXT | O_RDWR,
S_IREAD | S_IWRITE );
if (handle==-1)
{
printf ("Erreur creation fichier : erreur %d\n\n", GetLastError());
}
else
{
printf ("Creation du fichier reussie\n\n");
}
printf ("Attente reception\n\n");
while (1)
{
ReadFile(hdl,&buf,1,&nblu,NULL);
if (etat==-1)
{
printf ("Erreur lecture port : erreur %d\n\n", GetLastError());
}
int i=0;
if (nblu!=0)
{
for (buf [i]; i < 18; i++)
{
printf ("Octets lus : %X\n\n", buf[i]);
break;
}
//unsigned int conv = atoi(&buf[i]);
//write( handle, &conv , sizeof(conv));
write( handle, &buf[i] , 1);
printf ("Stockage \n");
}
}
close (handle);
CloseHandle(hdl);
}
} |
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