Python iohub.launchHubServer函数代码示例

def testEnabledDataStore():
        """
        testEnabledDataStore is the same as testUsingPsychoPyMonitorConfig above,
        but by adding an experiment_code parameter the ioHub DataStore will
        be enabled, using a auto generated session_code each time it is run.
        Experiment and session metadata is printed at the end of the demo.
        Considerations:
            * A Keyboard, Mouse, Monitor, and Experiment device are created by default.
            * If the psychopy_monitor_name is valid, the ioHub Display is updated to
              use the display size and viewing distance specified in the psychopy monitor config.
            * ioHub DataStore is enabled because experiment_code is provided.
              session_code will be auto generated using the current time.
        """
        psychopy_mon_name='testMonitor'
        exp_code='gap_endo_que'
        io=launchHubServer(psychopy_monitor_name=psychopy_mon_name, experiment_code=exp_code)

        display=io.devices.display

        print('Display Psychopy Monitor Name: ', display.getPsychopyMonitorName())
        print('Display Default Eye Distance: ', display.getDefaultEyeDistance())
        print('Display Physical Dimensions: ', display.getPhysicalDimensions())

        from pprint import pprint

        print('Experiment Metadata: ')
        pprint(io.getExperimentMetaData())
        print('\nSession Metadata: ')
        pprint(io.getSessionMetaData())

        io.quit()

def start_iohub(sess_code=None):
    import time, os

    # Create initial default session code
    if sess_code is None:
        sess_code='S_{0}'.format(long(time.mktime(time.localtime())))

    # Ask for session name / hdf5 file name
    save_to = fileSaveDlg(initFilePath=os.path.dirname(__file__),initFileName=sess_code,
                          prompt="Set Session Output File",
                          allowed="ioHub Datastore Files (*.hdf5)|*.hdf5")
    if save_to:
        # session code should equal results file name
        fdir, sess_code = os.path.split(save_to)
        sess_code=sess_code[0:min(len(sess_code),24)]
        if sess_code.endswith('.hdf5'):
            sess_code = sess_code[:-5]
        if save_to.endswith('.hdf5'):
            save_to = save_to[:-5]
    else:
        save_to = sess_code

    exp_code='wintab_evts_test'

    kwargs={'experiment_code':exp_code,
            'session_code':sess_code,
            'datastore_name':save_to,
            'wintab.WintabTablet':{'name':'tablet', 
                                   'mouse_simulation': {'enable':False,
                                                        'leave_region_timeout':2.0
                                                       }
                                  }
           }

    return launchHubServer(**kwargs)

def testWithNoKwargs():
    """
    testWithNoKwargs illustrates using the launchHubServer function with no
    parameters at all. Considerations:
        * A Keyboard, Mouse, Monitor, and Experiment device are created by default.
        * All devices use their default parameter settings. Therefore, not very useful in real studies.
        * ioHub DataStore is not enabled.
    """
    io=launchHubServer()

    # Get the default keyboard device created.
    keyboard=io.devices.keyboard

    print()
    print("** PRESS A KEY TO CONTINUE.....")

    # Check for new events every 1/4 second.
    # By using the io.wait() fucntion, the ioHub Process is checked for
    # events every 50 msec or so, and they are cached in the PsychoPy process
    # until the next getEvents() call is made. On Windows, messagePump() is also
    # called periodically so that any Window you have created does not lock up.
    #
    while not keyboard.getEvents():
        io.wait(0.25)

    print("A Keyboard Event was Detected; exiting Test.")

    io.quit()

def testUsingPsychoPyMonitorConfig():
    """
    testUsingPsychoPyMonitorConfig illustrates using the launchHubServer function
    and providing a PsychoPy monitor configuration file name.
    Considerations:
        * A Keyboard, Mouse, Monitor, and Experiment device are created by default.
        * If the psychopy_monitor_name is valid, the ioHub Display is updated to
          use the display size and viewing distance specified in the psychopy monitor config.
        * ioHub DataStore is not enabled.
    """

    io=launchHubServer(psychopy_monitor_name='testMonitor')

    # Get the default display device created.
    #
    display=io.devices.display

    # print(the display's physical characteristics, showing they have
    # been updated based on the settings in the PsychoPy monitor config.
    #
    print('Display Psychopy Monitor Name: ', display.getPsychopyMonitorName())
    print('Display Default Eye Distance: ', display.getDefaultEyeDistance())
    print('Display Physical Dimensions: ', display.getPhysicalDimensions())

    # That's it, shut doqn the ioHub Proicess and exit. ;)
    #
    io.quit()

def startHubProcess():
    io = launchHubServer()
    assert io != None

    io_proc = Computer.getIoHubProcess()
    io_proc_pid = io_proc.pid
    assert io_proc != None and io_proc_pid > 0

    return io

def start_iohub(sess_info):
    '''
    Starts the iohub server process, using data from the dict returned by
    showSessionInfoDialog() to create the hdf5 file name. If the file
    already exists, the existing file is renamed so that it is not
    overwritten by the current sessions data.

    iohub device configuration information is read from an
    'iohub_config.yaml' file which must be in the same folder as this file.

    The created ioHubConnection object is returned after the iohub
    server has started and is ready for interaction with the experiment
    runtime.

    :param sess_info: dict returned from showSessionInfoDialog()
    :return:  ioHubConnection object
    '''
    import os, shutil

    save_to = os.path.join(os.path.dirname(__file__),u'results',
                           sess_info['Session Code'])
    save_to = os.path.normpath(save_to)
    if not save_to.endswith('.hdf5'):
        save_to = save_to+u'.hdf5'

    fdir, sess_code = os.path.split(save_to)
    if not os.path.exists(fdir):
        os.mkdir(fdir)

    #TODO: Ask if file should be overwritten, or new session code entered.
    si = 1
    save_dest = save_to
    while os.path.exists(save_dest):
        sname, sext = sess_code.rsplit(u'.',1)
        save_dest = os.path.join(fdir, u"{}_{}.{}".format(sname,si,sext))
        si+=1

    if save_dest is not save_to:
        shutil.move(save_to,save_dest)

    sess_code=sess_code[0:min(len(sess_code),24)]
    if sess_code.endswith(u'.hdf5'):
        sess_code = sess_code[:-5]
    if save_to.endswith(u'.hdf5'):
        save_to = save_to[:-5]

    kwargs={'experiment_code':EXP_NAME,
            'session_code':sess_code,
            'datastore_name':save_to,
            'iohub_config_name': 'iohub_config.yaml'
    }
    return launchHubServer(**kwargs)

    def __init__(self):
        # Set up iohub and internal clock. Use existing ioHubServer if it exists.
        from psychopy import iohub, core, sys
        self._sys = sys
        self._core = core
        self._timeAtLastReset = core.getTime()

        self._EventConstants = iohub.EventConstants
        existing_iohub = iohub.ioHubConnection.ACTIVE_CONNECTION
        self._io = existing_iohub if existing_iohub else iohub.launchHubServer()

        import numpy
        self._np = numpy

def startIOHub():
    """
    Starts the ioHub process, saving events to events.hdf5, recording data from
    all standard devices as well as the ioSync MCU device.
    """
    global io
    import time
    psychopy_mon_name = 'testMonitor'
    exp_code = 'events'
    sess_code = 'S_{0}'.format(int(time.mktime(time.localtime())))
    iohub_config = {
        "psychopy_monitor_name": psychopy_mon_name,
        "mcu.iosync.MCU": dict(serial_port='auto',
                               monitor_event_types=['AnalogInputEvent',
                                                    'DigitalInputEvent']),
        "experiment_code": exp_code,
        "session_code": sess_code
    }
    return launchHubServer(**iohub_config)

def testEnabledDataStoreAutoSessionCode():
        """
        testEnabledDataStoreAutoSessionCode is the same as testEnabledDataStore
        above, but session_code is provided by the script instead of being
        auto-generated. The ioHub DataStore will be enabled, using the
        experiment and session_code provided each time it is run. Experiment
        and session metadata is printed at the end of the demo.

        Considerations:
            * A Keyboard, Mouse, Monitor, and Experiment device are created by
              default.
            * If the psychopy_monitor_name is valid, the ioHub Display is
              updated to use the display size and viewing distance specified
              in the psychopy monitor config.
            * ioHub DataStore is enabled because experiment_code and
              session_code are provided.
        """
        import time
        from pprint import pprint

        psychopy_mon_name = 'testMonitor'
        exp_code = 'gap_endo_que'
        sess_code = 'S_{0}'.format(int(time.mktime(time.localtime())))
        print('Current Session Code will be: ', sess_code)

        io = launchHubServer(psychopy_monitor_name=psychopy_mon_name,
                             experiment_code=exp_code,
                             session_code=sess_code)

        display = io.devices.display

        print('Display Psychopy Monitor Name: ', display.getPsychopyMonitorName())
        print('Display Default Eye Distance: ', display.getDefaultEyeDistance())
        print('Display Physical Dimensions: ', display.getPhysicalDimensions())

        print('Experiment Metadata: ')
        pprint(io.getExperimentMetaData())
        print('\nSession Metadata: ')
        pprint(io.getSessionMetaData())

        io.quit()

from psychopy import visual, core
from psychopy.iohub import launchHubServer, EventConstants


def normalizedValue2Coord(normed_position,normed_magnitude,display_coord_area):
        x,y=normed_position[0]*normed_magnitude,normed_position[1]*normed_magnitude
        w,h=display_coord_area
        return x*(w/2.0),y*(h/2.0)

if __name__ == '__main__':
    # Start the ioHub Event Server, requesting an XInput Gamepad Device to be
    #   created along with the default devices. Since the configuration dict
    #   for the Gamepad is empty, all default values will be used.
    #
    kwargs={'psychopy_monitor_name':'default','xinput.Gamepad':{}}
    io=launchHubServer(**kwargs)
    
    display = io.devices.display
    mouse = io.devices.mouse
    display = io.devices.display
    keyboard = io.devices.keyboard
    gamepad = io.devices.gamepad
    
    display_resolution=display.getPixelResolution()
    psychopy_monitor=display.getPsychopyMonitorName()
    unit_type=display.getCoordinateType()
    screen_index=display.getIndex()
    dl,dt,dr,db=display.getCoordBounds()
    coord_size=dr-dl,dt-db
        
    myWin=visual.Window(display_resolution, monitor=psychopy_monitor, 

Displays event information from ioHub Keyboard Events. 

Inital Version: May 6th, 2013, Sol Simpson
"""
from psychopy import visual
from psychopy.iohub import launchHubServer,EventConstants 


# launchHubServer is a fucntion that can be used to create an instance of the 
#   ioHub Process within a procedural PsychoPy Script and without the need for
#   external configuration files. It is useful when devices like the Keyboard,
#   Mouse, Display, and Experiment are all that is needed. By default the
#   Display device will use pixel units and display index 0 of a multimonitor setup.
#   The returned 'io' variable gives access to the ioHub Process.
#
io=launchHubServer(experiment_code='key_evts',psychopy_monitor_name='default')

# Devices that have been created on the ioHub Process and will be monitored
# for events during the experiment can be accessed via the io.devices.* attribute.
#
# save some 'dots' during the trial loop
#
display = io.devices.display
keyboard = io.devices.keyboard
mouse=io.devices.mouse

# Hide the 'system mouse cursor'.
mouse.setSystemCursorVisibility(False)

# Get settings needed to create the PsychoPy full screen window.
#   - display_resolution: the current resolution of diplsay specified by the screen_index.

fetching and processing events from hardware; mice, keyboards, eyetrackers).

Inital Version: May 6th, 2013, Sol Simpson
Abbrieviated: May 2013, Jon Peirce
Updated July, 2013, Sol, Added timeouts
"""

from __future__ import division

import sys

from psychopy import visual, core
from psychopy.iohub import launchHubServer

# create the process that will run in the background polling devices
io = launchHubServer()

# some default devices have been created that can now be used
display = io.devices.display
keyboard = io.devices.keyboard
mouse = io.devices.mouse

# Hide the 'system mouse cursor'.
mouse.setSystemCursorVisibility(False)

# We can use display to find info for the Window creation, like the resolution
# (which means PsychoPy won't warn you that the fullscreen does not match your requested size)
display_resolution = display.getPixelResolution()

# ioHub currently supports the use of a single full-screen PsychoPy Window
win = visual.Window(display_resolution, units="pix", fullscr=True, allowGUI=False, screen=0)

SERIAL_PORT = 'COM5'
BAUDRATE = 19200

# ioHub configuration.
psychopy_mon_name = 'Monitor_01'
exp_code = 'pstbox'
sess_code = 'S_{0}'.format(int(time.mktime(time.localtime())))
iohubkwargs = {
    'psychopy_monitor_name': psychopy_mon_name,
    'experiment_code': exp_code,
    'session_code': sess_code,
    'serial.Pstbox': dict(name='pstbox', port=SERIAL_PORT, baud=BAUDRATE)
}

# Start the iohub server and set up devices.
io = launchHubServer(**iohubkwargs)
computer = Computer
display = io.devices.display
pstbox = io.devices.pstbox

print('Switching on lamp #3...')
pstbox.setLampState([0, 0, 1, 0, 0])
print('...done.')

# Create a window.
win = visual.Window(
    display.getPixelResolution(),
    units='pix', fullscr=True, allowGUI=False,
    screen=0
)

"""
Created on Thu Oct 17 22:46:06 2013

@author: Sol
"""
from __future__ import print_function
from builtins import str
from psychopy import visual,core
from psychopy.data import TrialHandler,importConditions
from psychopy.iohub import launchHubServer,Computer,EventConstants

getTime=Computer.getTime

psychopy_mon_name='testMonitor'
exp_code='io_stroop'
io=launchHubServer(psychopy_monitor_name=psychopy_mon_name, experiment_code=exp_code)

io.sendMessageEvent(category='EXP',text='Experiment Started')

kb=io.devices.keyboard
mouse = io.devices.mouse

win = visual.Window(allowGUI=False,fullscr=True)
gabor = visual.GratingStim(win,tex="sin",mask="gauss",texRes=256,
           size=[200.0,200.0], sf=[4,0], ori = 0, name='gabor1')
letter = visual.TextStim(win,pos=(0.0,0.0),text='X')

retrace_count=0
def loggedFlip(letter_char,letter_color):
    global retrace_count
    gabor.draw()

logFile = logging.LogFile(filename+'.log', level=logging.DEBUG)
logging.console.setLevel(logging.WARNING)  # this outputs to the screen, not a file

# An ExperimentHandler isn't essential but helps with data saving
thisExp = data.ExperimentHandler(name=expName, version='',
    extraInfo=expInfo, runtimeInfo=None,
    originPath=None,
    savePickle=True, saveWideText=True,
    dataFileName=filename)

#-------------------------------------------------------------------------------
# iohub stuff
#-------------------------------------------------------------------------------

# create the process that will run in the background polling devices
io=launchHubServer(experiment_code='target-sequences', psychopy_monitor_name='default')

# some default devices have been created that can now be used
display = io.devices.display
keyboard = io.devices.keyboard
mouse=io.devices.mouse

# Hide the 'system mouse cursor'.
mouse.setSystemCursorVisibility(False)
mouse.enableEventReporting(True)

# We can use display to find info for the Window creation, like the resolution
# (which means PsychoPy won't warn you that the fullscreen does not match your requested size)
display_resolution=display.getPixelResolution()

#-------------------------------------------------------------------------------