def _handleNativeEvent(self, *args, **kwargs):
"""
_handleEvent is used by devices that signal new events by using an event driven
callback approach.
One args is required, the device event to be handled, "event"
"""
loggedTime = int(Computer.currentUsec())
event = None
if len(args) > 0:
event = args[0]
# do any manipulation to the native event object here before putting it in the devices
# circular buffer. Remember to keep work done in the callback to a minimum. For example,
# the conversion to a native ioHub event is done in the _getIOHubEventObject(event,device_instance_code)
# method, so does not need to be done here.
#
# ......
#
if 1:
return 'EYETRACKER_ERROR', '_handleNativeEvent', 'Default _handleNativeEvent callback Logic being Used. This must be implemented on a per eye tracker basis.'
EyeTracker.lastCallbackTime = loggedTime
# append the native event to the deque as a tuple of (loggedTime, event)
# This can be unpacked in the _getIOHubEventObject and the current_time
# used as the logged_time field of the ioHub DeviceEvent object.
#
self.I_nativeEventBuffer.append((loggedTime, event))
def _poll(self):
"""
For use in systems where a polling model is used to check for new events and samples.
If your eye tracker supports an event based call-back approach, use _handleEvent(...) instead
of _poll and remove the periodic timer from the ioHub_config.yaml file settings.
"""
loggedTime = int(Computer.currentUsec())
currentHostTime = self.trackerTime()
ioHub_time_offset = loggedTime - currentHostTime
if 1:
return 'EYETRACKER_ERROR', '_poll', 'Default Poll Logic being Used. This must be implemented on a per eye tracker basis.'
#get native events queued up
noMoreDeviceEvents = True
while 1:
# get each native device event (this will be eye tracker specific)
#
# ....
# determine the event type and map it to one of the ioHub eye tracker event types
# found in ioHub.devices.eyeTrackerInterface.eye_events.py
#
# ......
if noMoreDeviceEvents:
break
ioHubEvent = list()
# put the ioHub eye tracker event IN ORDERED LIST FORM in devices buffer for pickup by the ioHub.
self.I_nativeEventBuffer.append(ioHubEvent)
EyeTracker.lastPollTime = loggedTime
def _handleNativeEvent(self, *args, **kwargs):
"""
_handleEvent is used by devices that signal new events by using an event driven
callback approach.
One args is required, the device event to be handled, "event"
"""
loggedTime = int(Computer.currentUsec())
event = None
if len(args) > 0:
event = args[0]
# do any manipulation to the native event object here before putting it in the devices
# circular buffer. Remember to keep work done in the callback to a minimum. For example,
# the conversion to a native ioHub event is done in the _getIOHubEventObject(event,device_instance_code)
# method, so does not need to be done here.
#
# ......
#
if 1:
return (
"EYETRACKER_ERROR",
"_handleNativeEvent",
"Default _handleNativeEvent callback Logic being Used. This must be implemented on a per eye tracker basis.",
)
EyeTracker.lastCallbackTime = loggedTime
# append the native event to the deque as a tuple of (loggedTime, event)
# This can be unpacked in the _getIOHubEventObject and the current_time
# used as the logged_time field of the ioHub DeviceEvent object.
#
self.I_nativeEventBuffer.append((loggedTime, event))
def _poll(self):
"""
For use in systems where a polling model is used to check for new events and samples.
If your eye tracker supports an event based call-back approach, use _handleEvent(...) instead
of _poll and remove the periodic timer from the ioHub_config.yaml file settings.
"""
loggedTime=int(Computer.currentUsec())
currentHostTime = self.trackerTime()
ioHub_time_offset= loggedTime-currentHostTime
if 1:
return 'EYETRACKER_ERROR','_poll','Default Poll Logic being Used. This must be implemented on a per eye tracker basis.'
#get native events queued up
noMoreDeviceEvents=True
while 1:
# get each native device event (this will be eye tracker specific)
#
# ....
# determine the event type and map it to one of the ioHub eye tracker event types
# found in ioHub.devices.eyeTrackerInterface.eye_events.py
#
# ......
if noMoreDeviceEvents:
break
ioHubEvent = list()
# put the ioHub eye tracker event IN ORDERED LIST FORM in devices buffer for pickup by the ioHub.
self.I_nativeEventBuffer.append(ioHubEvent)
EyeTracker.lastPollTime=loggedTime
def _poll(self):
sTime=int(currentUsec())
try:
ci=0
if self._lastPollTime is not None:
ci=sTime-self._lastPollTime
self._joystickButtonStates[0]=self._joystickButtonStates[1]
self._joystickPositionStates[0]=self._joystickPositionStates[1]
self._joystickButtonStates[1]=glfw.GetJoystickButtons(self._jid)
self._joystickPositionStates[1]=glfw.GetJoystickPos(self._jid)
if not N.array_equal(self._joystickPositionStates[1],self._joystickPositionStates[0]):
#ioHub.print2stderr("Joystick Position Event: "+str(self._jid)+' : '+str(self._joystickPositionStates[1]-self._joystickPositionStates[0]))
#jpe= [0,0,Computer.getNextEventID(),ioHub.devices.EventConstants.EVENT_TYPES['JOYSTICK_POSITIONAL_EVENT'],
# ioHub.DEVICE_TYPES['JOYSTICK_DEVICE'], self.instance_code, currentTime,
# currentTime, currentTime, ci,ci/2.0,self.base_address,self.address_offset,currentValue,lrv]
#self.I_nativeEventBuffer.append(jbe)
pass
if not N.array_equal(self._joystickButtonStates[1],self._joystickButtonStates[0]):
#ioHub.print2stderr("Joystick Button Event: "+str(self._jid)+' : '+str(self._joystickButtonStates[1]-self._joystickButtonStates[0]))
bchanges=self._joystickButtonStates[1]-self._joystickButtonStates[0]
multibuttonEventCount=N.count_nonzero(bchanges)
devicetype=ioHub.devices.EventConstants.DEVICE_TYPES['JOYSTICK_DEVICE']
for i, bstate in enumerate(bchanges):
is_pressed = 0
etype=None
button_id=i+1
if bstate < 0:
is_pressed = False
etype=ioHub.devices.EventConstants.EVENT_TYPES['JOYSTICK_BUTTON_RELEASE']
elif bstate > 0 :
is_pressed = True
etype=ioHub.devices.EventConstants.EVENT_TYPES['JOYSTICK_BUTTON_PRESS']
if etype:
jbe= [0,0,Computer.getNextEventID(),etype, self.instance_code, sTime,
sTime, sTime, ci, ci/2.0, self._jid, is_pressed, button_id,multibuttonEventCount]
#ioHub.print2stderr("Joystick Button Event: "+str(jbe))
self.I_nativeEventBuffer.append(jbe)
except Exception as e:
ioHub.printExceptionDetailsToStdErr()
raise ioHub.devices.ioDeviceError(self,"An error orricced what polling GAMEPAD_%d"%(self._jid+1),e)
finally:
self._lastPollTime=sTime
def _poll(self):
sTime = int(currentUsec())
try:
ci = 0
if self._lastPollTime is not None:
ci = sTime - self._lastPollTime
self._joystickButtonStates[0] = self._joystickButtonStates[1]
self._joystickPositionStates[0] = self._joystickPositionStates[1]
self._joystickButtonStates[1] = glfw.GetJoystickButtons(self._jid)
self._joystickPositionStates[1] = glfw.GetJoystickPos(self._jid)
if not N.array_equal(self._joystickPositionStates[1],
self._joystickPositionStates[0]):
#ioHub.print2stderr("Joystick Position Event: "+str(self._jid)+' : '+str(self._joystickPositionStates[1]-self._joystickPositionStates[0]))
#jpe= [0,0,Computer.getNextEventID(),ioHub.devices.EventConstants.EVENT_TYPES['JOYSTICK_POSITIONAL_EVENT'],
# ioHub.DEVICE_TYPES['JOYSTICK_DEVICE'], self.instance_code, currentTime,
# currentTime, currentTime, ci,ci/2.0,self.base_address,self.address_offset,currentValue,lrv]
#self.I_nativeEventBuffer.append(jbe)
pass
if not N.array_equal(self._joystickButtonStates[1],
self._joystickButtonStates[0]):
#ioHub.print2stderr("Joystick Button Event: "+str(self._jid)+' : '+str(self._joystickButtonStates[1]-self._joystickButtonStates[0]))
bchanges = self._joystickButtonStates[
1] - self._joystickButtonStates[0]
multibuttonEventCount = N.count_nonzero(bchanges)
devicetype = ioHub.devices.EventConstants.DEVICE_TYPES[
'JOYSTICK_DEVICE']
for i, bstate in enumerate(bchanges):
is_pressed = 0
etype = None
button_id = i + 1
if bstate < 0:
is_pressed = False
etype = ioHub.devices.EventConstants.EVENT_TYPES[
'JOYSTICK_BUTTON_RELEASE']
elif bstate > 0:
is_pressed = True
etype = ioHub.devices.EventConstants.EVENT_TYPES[
'JOYSTICK_BUTTON_PRESS']
if etype:
jbe = [
0, 0,
Computer.getNextEventID(), etype,
self.instance_code, sTime, sTime, sTime, ci,
ci / 2.0, self._jid, is_pressed, button_id,
multibuttonEventCount
]
#ioHub.print2stderr("Joystick Button Event: "+str(jbe))
self.I_nativeEventBuffer.append(jbe)
except Exception as e:
ioHub.printExceptionDetailsToStdErr()
raise ioHub.devices.ioDeviceError(
self,
"An error orricced what polling GAMEPAD_%d" % (self._jid + 1),
e)
finally:
self._lastPollTime = sTime
