EEPW论坛

int rslt, portnum=0, doing_work=1;
char portString[50]; // set to platform appropriate port string

// work loop 
while (doing_work)
{
  // acquire the 1-Wire Net (SESSION)
  if (owAcquire(portnum, portString))
  {
   // find all devices (NETWORK)
   rslt = owFirst(portnum, TRUE, FALSE);
   while (rslt)
   {
     // do SOMETHING with device found (TRANSPORT/FILE/DEVICE)
     // . . .

     // find the next device (NETWORK)
     rslt = owNext(portnum, TRUE, FALSE);
   }

   // release the 1-Wire Net (SESSION)
   owRelease(portnum);
  }
  else
  {
   // Could not acquire 1-Wire network 
   // . . . 
  }

  // do other application work 
  // . . .
}

boolean doing_work=true;

// get the default adapter from the service provider
DSPortAdapter adapter = OneWireAccessProvider.getDefaultAdapter();

// work loop
while (doing_work)
{
  // get exclusive use of adapter (SESSION)
  adapter.beginExclusive(true);

  // clear any previous search restrictions (NETWORK)
  adapter.setSearchAllDevices();
  adapter.targetAllFamilies();
  adapter.setSpeed(adapter.SPEED_REGULAR);

  // enumerate through all the 1-Wire devices found (NETWORK)
  for (Enumeration owd_enum = adapter.getAllDeviceContainers();
    owd_enum.hasMoreElements(); )
  {
   // get a 'container' for each device 
   OneWireContainer owd = ( OneWireContainer ) owd_enum.nextElement();

   // do SOMETHING with device found (TRANSPORT/FILE/DEVICE)
   // . . . 
  }

  // end exclusive use of adapter (SESSION)
  adapter.endExclusive();

  // do other application work 
  // . . .
}

int PortNum, PortType; // port number and type set for adapter present
long session_handle; // session handle
unsigned char state_buffer[5120];
int doing_work=1, did_setup=0;
short rslt;

// work loop 
while (doing_work)
{
  // aquire the 1-Wire Net (SESSION)
  session_handle = TMExtendedStartSession(PortNum,PortType,NULL);
  if (session_handle > 0)
  {
   // check to see if TMSetup has been done once
   if (!did_setup)
   {
     if (TMSetup(session_handle) == 1)
      did_setup = 1;
     else
     {
      // error setting up port, adapter may not be present
      // . . . 
     }
   }
   else
   {
     // find all devices (NETWORK)
     rslt = TMFirst(session_handle, state_buf);
     while (rslt > 0)
     {
      // do SOMETHING with device found (TRANSPORT/FILE/DEVICE)
      // . . .

      // find the next device (NETWORK)
      rslt = TMNext(session_handle, state_buf);
     }
   }

   // release the 1-Wire Net (SESSION)
   TMEndSession(session_handle);
  }
  else
  {
   // Could not acquire 1-Wire network 
   // . . . 
  }
  
  // do other application work 
  // . . .
}