mil1553_bm.c

/*****************************************************************************
//
##    File:
##       mil1553_bm.c
//
//       Copyright (c) MAX Technologies Inc. 1988-2016, All Rights Reserved.
//             CONFIDENTIAL AND PROPRIETARY INFORMATION WHICH IS THE 
//                         PROPERTY OF MAX TECHNOLOGIES INC. 
//
//      This example demonstrates the basic usage of MIL-STD-1553 bus monitor.
//      Can be run with mil1553_bc and mil1553_rt at the same time.
//
//       Hardware requirements:
//          - MAXT Flex1553-PCIe or FlexMulti or 500 series carrier with IPM-1553-MRT
//
*****************************************************************************/

#include "example.h"

#define LOCAL
//#define LOOPBACK

int main(void)
{
uint32 rc;
uint64 deviceCount=0;
uint64 moduleCount=0;
uint64 channelCount=0;

HMXF_SERVER  server;
HMXF_DEVICE  device=0;
HMXF_MODULE  module=0;
HMXF_CHANNEL bm=0;
HMXF_BUFFER  rx=0;

uint32 rxBufferSize=0;
MXF_MIL1553_DATAREC* rxBuffer=NULL;
MXF_MIL1553_DATAREC* rxRec1553;

uint64   rxAcqStatus;
uint64   msgCount;
uint64   byteCount;
uint64   rxRec;
uint32   loop=0;
uint64   address, subAddress, dir, wordCount;
uint64   card=0, mod=0, port=0;
uint32   data;
MXF_MIL1553_MSGINFO msgInfo;
char     errorString[200];

#ifdef LOCAL
   rc = mxfServerConnect("0.0.0.0", "", "", FALSE, &server);
#else
   rc = mxfServerConnect("192.168.0.1", "admin", "admin", FALSE, &server);
#endif

   // Initialize MX Foundation library
   if(!rc)
   {
      rc = mxfSystemInit(server);
      if(rc == MAXT_ERROR_ANOTHER_PROCESS_RUNNING)
      {
         // if another MX Foundation application is running, only load MX-Foundation library, otherwise reset cards first
         rc = mxfSystemResourcesInit(server, 0);
      }
   }
   
   // Get handle of first Flex MIL-STD-1553 Bus monitor channel
   if(!rc)
      rc = mxfSystemDeviceAllGet(server, MXF_DEVICE_ALL, 1, &deviceCount, &device);

   if (!rc && deviceCount)
   {
      rc = mxfDeviceModuleAllGet(device, MXF_MODULE_MIL1553MRT_EH, 1, &moduleCount, &module);
      if (!rc && !moduleCount)
         rc = mxfDeviceModuleAllGet(device, MXF_MODULE_MIL1553MRT, 1, &moduleCount, &module);
   }

   if(!rc && moduleCount)
      rc = mxfModuleChannelAllGet(module, MXF_CLASS_MIL1553, MXF_SCLASS_BM_CHANNEL, 1, &channelCount, &bm);

   // If not found, return an error
   if(!rc && !channelCount)
      rc = MAXT_ERROR_NOT_FOUND;

   // Diplay BM channel location
   if(!rc)
      rc = mxfChannelLocationGet(bm, &card, &mod, &port);
   if (!rc)
        printf("BM location is Device:%llu Module:%llu Port:%llu\n\r", card, mod, port);

#ifdef LOOPBACK
   // Enable internal loopback
   if(!rc)
      rc = mxfAttributeUint64Set(bm, KMXF_MIL1553_TX_RX_TEST_LB, VMXF_ENABLE);
#endif

   // Allocate 100KB buffer for rx data
   if(!rc)
   {
      rxBufferSize = 100*1024;

      // Device allocation
      rc = mxfRxAcqBufferAlloc(bm, rxBufferSize, &rx, NULL);
      if(rc == MAXT_ERROR_BUFFER_ALLOCATED)
         rc = mxfRxAcqBufferGet(bm, &rx);

      // Host allocation
      if(!rc)
      {
         rxBuffer = (MXF_MIL1553_DATAREC*)malloc(rxBufferSize);
         if(!rxBuffer)
            rc = MAXT_ERROR_MEM;
      }
   }

   // Set timebase to RTC nsec
   if(!rc)
      rc = mxfSystemTimeBaseSet(server, MXF_TIMEBASE_DEVICE_NSEC);

   // Start BM acquisition
   if(!rc)
   {
      printf("Starting BM\n\r");
      rc = mxfRxAcqStart(rx, MXF_RXACQ_FLAG_DEFAULT, 0, 0);
   }

   // Read and display received messages
   if(!rc)
   {
      do
      {
         rc = mxfMIL1553RxAcqRead(rx, 0, rxBufferSize, &rxAcqStatus, &msgCount, &byteCount, rxBuffer);
         if(rc)
            break;

         rxRec1553 = (MXF_MIL1553_DATAREC*)rxBuffer;
         for(rxRec=0; rxRec<msgCount && !rc; rxRec++)
         {
            rc = mxfMIL1553DataRecordDecompose(bm, 1, rxRec1553, &msgInfo);
            if(!rc)
            {
               rc = mxfMIL1553CommandDecompose(rxRec1553->data[0], &address, &subAddress, &dir, &wordCount);
               if(!rc)
               {
                  printf("\n\r%llu:\t", rxRec1553->timeTag);
                  switch(msgInfo.msgType)
                  {
                  case MXF_MIL1553_MSGINFO_TYPE_BCRT:
                     printf("BC to RT%llu SA%llu WC%llu (0x%04x)\n\r", address, subAddress, wordCount, rxRec1553->data[0]);
                     printf("\t\tBC data:");
                     for(data=0; data<msgInfo.dataWordCount; data++)
                     {
                        if(data && !(data%4))
                           printf("\n\r\t\t\t");

                        printf(" 0x%04x", rxRec1553->data[msgInfo.dataIndex + data]);
                     }
                     printf("\n\r");
                     if(msgInfo.statusIndex[0] != 0xffff)
                        printf("\t\tRT status: 0x%04x\n\r", rxRec1553->data[msgInfo.statusIndex[0]]);
                     break;

                  case MXF_MIL1553_MSGINFO_TYPE_RTBC:
                     printf("RT%llu SA%llu WC%llu to BC (0x%04x)\n\r", address, subAddress, wordCount, rxRec1553->data[0]);
                     if(msgInfo.statusIndex[0] != 0xffff)
                     {
                        printf("\t\tRT status: 0x%04x\n\r", rxRec1553->data[msgInfo.statusIndex[0]]);
                        printf("\t\tRT data:");
                        for(data=0; data<msgInfo.dataWordCount; data++)
                        {
                           if(data && !(data%4))
                              printf("\n\r\t\t\t");

                           printf(" 0x%04x", rxRec1553->data[msgInfo.dataIndex + data]);
                        }
                        printf("\n\r");
                     }
                     break;

                  case MXF_MIL1553_MSGINFO_TYPE_MODECODE_TXDATA:
                     printf("BC Mode Command %llu to RT%llu SA%llu (0x%04x)\n\r", wordCount, address, subAddress, rxRec1553->data[0]);
                     if(msgInfo.statusIndex[0] != 0xffff)
                     {
                        printf("\t\tRT status: 0x%04x\n\r", rxRec1553->data[msgInfo.statusIndex[0]]);
                        printf("\t\tRT data: 0x%04x\n\r", rxRec1553->data[msgInfo.dataIndex]);
                     }
                     break;
                  }
               }
            }
            // Get next msg
            rc = mxfMIL1553NextDataRecordPtrGet(rxRec1553, &rxRec1553);
         }
         mxfSleep(50);
         loop++;
      }while(loop < 200);
   }

   // Stop acquisition
   if(!rc)
   {
      printf("Stopping BM\n\r");
      rc = mxfRxAcqStop(rx);
   }

   // free buffers
   if(rxBuffer)
      free(rxBuffer);

   if(rc)
   {
      if(mxfSystemErrorStringGet(server, rc, sizeof(errorString), errorString))
         sprintf (errorString,"ERROR # 0x%08X", rc);

      printf("%s\n\r", errorString);
   }

   //Frees all buffers
   if (rx)
   {
      rc = mxfRxAcqBufferFree(rx);
      if (rc)
            printf("Free buffer failed !\n\r");
   }

   // Unload MX Foundation library
   rc = mxfSystemTerminate(server);
   if (rc == MAXT_ERROR_ANOTHER_PROCESS_RUNNING)
   {
      // if another MX Foundation application is running, only release the resource, otherwise reset everything
      rc = mxfSystemResourcesRelease(server, 0);
   }

   mxfServerDisconnect(server);

   printf("\n\rPress enter to terminate\n\r");
   getchar();
   
   return 0;
}