Advantech PCL-740 Specifikace stáhnout pdf (Strana 26)

Appendix A Register structure and format 23

/* Receive data on Port 2 (COM2) */

i=0;

flag=1;

timeout=TIME_OUT;

while (flag)

{

/* Check for received data on port*/

if ((inportb(base1+5) & 1) !=0)

{

rec[i]=inportb(base1); /* Receive data */

if (rec[i] == 0x0d)

{

rec[i+1]=’\0';

flag=0;

printf(“\nReceived data: %s\n”, rec);

}

i++;

}

else

{ /* Check timeout */

timeout—;

if (timeout == 0)

{

flag = 0;

printf(“\nTimeout error\n”);

}

} /* End of receive data while() */

printf("\nEnter string (max 15 char) or Q to quit:");

gets(cmd);

} /* End of "Enter string" while() */

} /* End of main() */

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Advantech PCL-740 Specifikace Strana 26