2.12.  Determining Protocol Version

NOTE:

The information in this section is applicable to Springware boards only. DM3 boards do not use PDKRT analog protocols. On DM3, the analog protocol is embedded in the firmware.

The following software code demonstrates how you can determine the Global Call protocol version you are running.

#include <gclib.h>  
#include <gcerr.h>  
#include <srllib.h>  
int main()  
{  
     LINEDEV     ldev;  
     GC_PARM     parm;  
     int         retcode;  
     METAEVENT   metaevent;  
     parm.paddress = NULL;  
     int mode;  
     #ifdef _WIN32  
     mode = SR_STASYNC|SR_POLLMODE;  
     #else  
     mode = SR__POLLMODE;  
     #endif  
     if (sr_setparm(SRL_DEVICE, SR_MODELTYPE, &mode) == -1)  
     {  
          // Error processing  
     }  
     gc_Start(NULL);  
     retcode = gc_Open(&ldev,":P_na_an_io:V_dxxxB1C1", 0);   
     if (retcode != GC_SUCCESS)  
     {  
          // Error processing  
     }  
     sr_waitevt(50);  
     retcode = gc_GetMetaEvent(&metaevent);  
     if (retcode != GC_SUCCESS)  
     {  
          // Error processing  
     }  
     if (metaevent.flags & GCME_GC_EVENT)  
     {  
          if (metaevent.evttype == GCEV_UNBLOCKED)  
     {  
               if (gc_GetParm(ldev, GCPR_PROTVER, &parm) ==   
                     GC_SUCCESS)  
               {  
                    printf("The protocol version: %s\n", parm.paddress);  
               }  
               else  
               {  
                    // Error processing  
                    int gc_error;  
                    int cclibid;  
                    long cc_error;  
                    char* gc_msg;  
                    char* cc_msg;  
                    gc_ErrorValue(&gc_error, &cclibid, &cc_error);  
                    gc_ResultMsg(LIBID_GC, (long)gc_error, &gc_msg);  
                    gc_ResultMsg(cclibid, cc_error, &cc_msg);  
                    printf("gc_GetParm(GCPR_PROTVER) failed! GC(0x%lx) -   
                             %s; CC(0x%lx) - %s\n",  
                    gc_error, gc_msg, cc_error, cc_msg);  
                    return (gc_error);  
               }  
          }  
     }  
     gc_Close(ldev);  
     gc_Stop();  
     return(0);  
}

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