int CPhidgetManager_poll()
{
CPhidgetList *curList = 0, *detachList = 0;
CPhidgetList *trav = 0;
CPhidgetHandle foundPhidget;
if(!managerLockInitialized)
{
CThread_mutex_init(&managerLock);
managerLockInitialized = PTRUE;
}
CThread_mutex_lock(&managerLock);
CThread_mutex_lock(&attachedDevicesLock);
sendInitialEvents();
CUSBBuildList(&curList);
for (trav=AttachedDevices; trav; trav = trav->next)
{
if(CList_findInList((CListHandle)curList, trav->phid, CPhidget_areExtraEqual, NULL) == EPHIDGET_NOTFOUND)
{
CList_addToList((CListHandle *)&detachList, trav->phid, CPhidget_areEqual);
}
}
for (trav=curList; trav; trav = trav->next)
{
if(CList_findInList((CListHandle)AttachedDevices, trav->phid, CPhidget_areExtraEqual, NULL) ==
EPHIDGET_NOTFOUND)
{
CPhidgetAttachEvent(trav->phid);
}
//if PHIDGET_USB_ERROR_FLAG is set, cycle device through a detach
//if it's ok, it will re-attach
//this can't yet handle unexpected timeouts (because we don't have a definitive list of expected timeouts)
if(CList_findInList((CListHandle)ActiveDevices, trav->phid, CPhidget_areEqual, (void **)&foundPhidget) ==
EPHIDGET_OK)
{
if(CPhidget_statusFlagIsSet(foundPhidget->status, PHIDGET_ATTACHED_FLAG))
{
if(CPhidget_statusFlagIsSet(foundPhidget->status, PHIDGET_USB_ERROR_FLAG))
{
LOG(PHIDGET_LOG_WARNING,"PHIDGET_USB_ERROR_FLAG is set - cycling device through a detach");
CList_addToList((CListHandle *)&detachList, trav->phid, CPhidget_areEqual);
}
}
}
}
for (trav=detachList; trav; trav = trav->next)
{
CPhidgetDetachEvent(trav->phid);
}
CList_emptyList((CListHandle *)&detachList, FALSE, NULL);
CList_emptyList((CListHandle *)&curList, FALSE, NULL);
CThread_mutex_unlock(&attachedDevicesLock);
CThread_mutex_unlock(&managerLock);
return EPHIDGET_OK;
}
int CPhidgetManager_poll()
{
CPhidgetList *curList = 0, *detachList = 0;
CPhidgetList *trav = 0, *trav2 = 0;
CPhidgetHandle foundPhidget;
if(!managerLockInitialized)
{
CThread_mutex_init(&managerLock);
managerLockInitialized = PTRUE;
}
CThread_mutex_lock(&managerLock);
CThread_mutex_lock(&attachedDevicesLock);
sendInitialEvents();
CUSBBuildList(&curList);
for (trav=AttachedDevices; trav; trav = trav->next)
{
if(CList_findInList((CListHandle)curList, trav->phid, CPhidget_areExtraEqual, NULL) == EPHIDGET_NOTFOUND)
{
CList_addToList((CListHandle *)&detachList, trav->phid, CPhidget_areEqual);
}
}
for (trav=curList; trav; trav = trav->next)
{
if(CList_findInList((CListHandle)AttachedDevices, trav->phid, CPhidget_areExtraEqual, NULL) == EPHIDGET_NOTFOUND)
{
CPhidgetAttachEvent(trav->phid);
}
//if PHIDGET_USB_ERROR_FLAG is set, cycle device through a detach
//if it's ok, it will re-attach
CThread_mutex_lock(&activeDevicesLock);
if(CList_findInList((CListHandle)ActiveDevices, trav->phid, CPhidget_areEqual, (void **)&foundPhidget) == EPHIDGET_OK)
{
if(CPhidget_statusFlagIsSet(foundPhidget->status, PHIDGET_ATTACHED_FLAG)
&& CPhidget_statusFlagIsSet(foundPhidget->status, PHIDGET_USB_ERROR_FLAG))
{
LOG(PHIDGET_LOG_WARNING,"PHIDGET_USB_ERROR_FLAG is set - cycling device through a detach");
CList_addToList((CListHandle *)&detachList, trav->phid, CPhidget_areEqual);
//if this is a composite device, we must find it's pair and detach that as well.
//same serial, but different interface num
for (trav2=curList; trav2; trav2 = trav2->next)
{
if(trav->phid->serialNumber == trav2->phid->serialNumber
&& trav->phid->deviceDef->pdd_iid != trav2->phid->deviceDef->pdd_iid)
{
LOG(PHIDGET_LOG_WARNING,"PHIDGET_USB_ERROR_FLAG is set - cycling composite device 2nd interface through a detach");
CList_addToList((CListHandle *)&detachList, trav2->phid, CPhidget_areEqual);
}
}
}
}
CThread_mutex_unlock(&activeDevicesLock);
}
for (trav=detachList; trav; trav = trav->next)
{
CPhidgetDetachEvent(trav->phid);
}
CList_emptyList((CListHandle *)&detachList, FALSE, NULL);
CList_emptyList((CListHandle *)&curList, FALSE, NULL);
CThread_mutex_unlock(&attachedDevicesLock);
CThread_mutex_unlock(&managerLock);
return EPHIDGET_OK;
}
