Beijer Electronics SCOM Protocol EN - Manual (Page 140)

Sample Communication Application
140 Elektronik-Systeme Lauer, MAEN976
Hello world... ;-)
*/
int
main(int argc,char *argv[],char *envp[])
{
int i;
char *pcEnd;
unsigned char aucSCOM[_SCOM_MAX_MSG_LEN];
int s;
int iso;
struct sockaddr_in sai;
int iBytesToSend;
int iBytesRead;
#ifdef _WIN32
WSADATA wsad;
#endif /* _WIN32 */
/*========*/
printf(_
"lscom +++ Lauer SCOM Sample Communication Application"_
"(c) Elektronik-Systeme Lauer GmbH & Co. KG"_
_);
if (argc<3)
{
printUsage("Too less arguments");
return -1;
}
if (argc>_SCOM_MAX_DAT_LEN+3)
{
printUsage("Too many arguments");
return -1;
}
for (i=0;i<argc;i++)
{
switch (i)
{
/* Parameter 0: Full file name */
case 0:
/* Not used. */
break;
/* Parameter 1: Destination address */
case 1:
aucSCOM[_SCOM_MSG_OFS_ADDR]=(unsigned
char)strtoul(argv[i],&pcEnd,0);
break;
/* Parameter 2: Command */
case 2:
strncpy((char*)&aucSCOM[_SCOM_MSG_OFS_CMD0],mystrupr(argv[i]),3);
break;
/* Parameter 3..n: Sub-commands/parameters */
default:
aucSCOM[_SCOM_MSG_OFS_DATA+i-3]=(unsigned
char)strtoul(argv[i],&pcEnd,0);
}
}
i-=3;