/// <summary>
/// Method endDocument
///
/// </summary>
public virtual void endDocument()
{
// Iterate through deviceList and make all the
// OWPaths from the TaggedDevice's vector of Branches.
TaggedDevice device;
OWPath branchPath;
Stack <TaggedDevice> singleBranchVector;
for (int i = 0; i < deviceList.Count; i++)
{
device = (TaggedDevice)deviceList[i];
device.setOWPath(adapter, device.Branches);
}
// Now, iterate through branchVectors and make all the
// OWPaths for the Vector of OWPaths
for (int i = 0; i < branchVectors.Count; i++)
{
singleBranchVector = new Stack <TaggedDevice>(branchVectors[i]);
branchPath = new OWPath(adapter);
for (int j = 0; j < singleBranchVector.Count; j++)
{
device = singleBranchVector.ToArray()[j];
branchPath.add(device.DeviceContainer, device.Channel);
}
branchPaths.Add(branchPath);
}
}
/// <summary>
/// Sets the OWPath for the tagged device. An
/// OWPath is a description of how to
/// physically get to a 1-Wire device through a
/// set of nested 1-Wire switches.
/// </summary>
/// <param name="adapter"> </param>
/// <param name="Branches"> </param>
public virtual void setOWPath(DSPortAdapter adapter, List <TaggedDevice> Branches)
{
OWPath = new OWPath(adapter);
TaggedDevice TDevice;
for (int i = 0; i < Branches.Count; i++)
{
TDevice = Branches[i];
OWPath.add(TDevice.DeviceContainer, TDevice.Channel);
}
}
/// <summary>
/// Performs a search of the 1-Wire network, with branch searching
/// </summary>
/// <param name="arrivals"> A vector of Long objects, represent new arrival addresses. </param>
/// <param name="departures"> A vector of Long objects, represent departed addresses. </param>
public override void search(List <long> arrivals, List <long> departures)
{
lock (sync_flag)
{
try
{
// aquire the adapter
adapter.beginExclusive(true);
// setup the search
adapter.setSearchAllDevices();
adapter.targetAllFamilies();
adapter.Speed = DSPortAdapter.SPEED_REGULAR;
// close any opened branches
for (int j = 0; j < paths.Count; j++)
{
try
{
((OWPath)paths[j]).close();
}
catch (System.Exception)
{
;
}
}
// search through all of the paths
for (int i = 0; i < paths.Count; i++)
{
// set searches to not use reset
adapter.setNoResetSearch();
// find the first device on this branch
bool search_result = false;
OWPath path = (OWPath)paths[i];
try
{
// try to open the current path
path.open();
}
catch (System.Exception)
{
// if opening the path failed, continue on to the next path
continue;
}
search_result = adapter.findFirstDevice();
// loop while devices found
while (search_result)
{
// get the 1-Wire address
long longAddress = adapter.AddressAsLong;
// check if the device allready exists in our hashtable
if (!deviceAddressHash.ContainsKey(longAddress))
{
OneWireContainer owc = getDeviceContainer(adapter, longAddress);
// check to see if it's a switch and if we are supposed
// to automatically search down branches
if (this.branchAutoSearching && (owc is SwitchContainer))
{
SwitchContainer sc = (SwitchContainer)owc;
byte[] state = sc.readDevice();
for (int j = 0; j < sc.getNumberChannels(state); j++)
{
OWPath tmp = new OWPath(adapter, path);
tmp.add(owc, j);
if (!paths.Contains(tmp))
{
paths.Add(tmp);
}
}
}
lock (devicePathHash)
{
devicePathHash[longAddress] = path;
}
if (arrivals != null)
{
arrivals.Add(longAddress);
}
}
// check if the existing device moved
else if (!path.Equals(devicePathHash[longAddress]))
{
lock (devicePathHash)
{
devicePathHash[longAddress] = path;
}
if (departures != null)
{
departures.Add(longAddress);
}
if (arrivals != null)
{
arrivals.Add(longAddress);
}
}
// update count
deviceAddressHash[longAddress] = max_state_count;
// find the next device on this branch
path.open();
search_result = adapter.findNextDevice();
}
}
}
finally
{
adapter.endExclusive();
}
// remove any devices that have not been seen
foreach (var address in deviceAddressHash.Keys.Where(kv => deviceAddressHash[kv] <= 0).ToList())
{
// device entry is stale, should be removed
deviceAddressHash.Remove(address);
if (departures != null)
{
departures.Add(address);
}
}
foreach (var address in deviceAddressHash.Keys.Where(kv => deviceAddressHash[kv] > 0).ToList())
{
// device entry isn't stale, it stays
deviceAddressHash[address] -= 1;
}
// fire notification events
if (departures != null && departures.Count > 0)
{
fireDepartureEvent(adapter, departures);
}
if (arrivals != null && arrivals.Count > 0)
{
fireArrivalEvent(adapter, arrivals);
}
}
}
