Rockwell Automation 5370 Color CVIM Communications Manual - Manual (Page 66)

Chapter 4
Using the Remote I/O Link
4–29
if (status != C_AUTOCONF && status != C_SETUP)
printf (”Scanner fatal error %d\n”, fatal_6008());
abort();
}
/* Place scanner in RUN mode */
mr_pkt.qmr_data[0] = CM_RUN;
status = mr_wait (C_SETMODE, &mr_pkt);
if (status != OK)
{
printf (”Setup failed: command=%s, status=%s\n”,
xlat_cmd(status), xlat_conf(mr_pkt.qmr_stat));
if (status != C_AUTOCONF && status != C_SETUP)
printf (”Scanner fatal error %d\n”, fatal_6008());
abort();
}
/* Disable host watchdog. For sample program ONLY ––
not recommended for any application programs. */
host_active(–1);
/* Get CVIM rack address from the user */
printf (”Enter CVIM remote–I/O rack number (0–7): ”);
scanf (”%d”, &CVIM_rack);
g_oit[8*CVIM_rack + 2] |= 0x0001; /* post tool results */
/* Start of main loop */
do {
printf (”\n\nOperations: \n\n”);
printf (”1. Trigger Tool Set\n”);
printf (”2. Read Results, Part 1\n”);
printf (”3. Read Configuration\n”);
printf (”4. Write Configuration\n”);
printf (”\nEnter operation number (1–4) or –1 to quit: ”);
scanf(”%d”, &op_num ); /* Convert user string input to a number */
err = 0;
switch (op_num)
{
case 1: /* trigger tool set by toggling trigger bit */
{
g_oit[8*CVIM_rack] |= TRIGGER_1_BIT;
for (t=0; t<25000; t++);
g_oit[8*CVIM_rack] &= ~TRIGGER_1_BIT;
err = g_op_stat & SO_FAULT;
} break;
case 2: /* read discrete results part 1 */
{
/* display all 8 input words in hex */
for (x=0; x<8; x++)
printf (”%04X ”, g_ipt[8*CVIM_rack + x]);
printf (”\n”);