class Run_task_tab(QtGui.QWidget):
def __init__(self, parent=None):
super(QtGui.QWidget, self).__init__(parent)
# Variables.
self.GUI_main = self.parent()
self.board = None # Pycboard class instance.
self.task = None # Task currently uploaded on pyboard.
self.task_hash = None # Used to check if file has changed.
self.data_dir = None
self.connected = False # Whether gui is conencted to pyboard.
self.uploaded = False # Whether selected task file is on board.
self.fresh_task = None # Whether task has been run or variables edited.
self.running = False
self.subject_changed = False
self.variables_dialog = None
# GUI groupbox.
self.status_groupbox = QtGui.QGroupBox('Status')
self.status_text = QtGui.QLineEdit('Not connected')
self.status_text.setReadOnly(True)
self.guigroup_layout = QtGui.QHBoxLayout()
self.guigroup_layout.addWidget(self.status_text)
self.status_groupbox.setLayout(self.guigroup_layout)
# Board groupbox
self.board_groupbox = QtGui.QGroupBox('Setup')
self.board_label = QtGui.QLabel('Select:')
self.board_select = QtGui.QComboBox()
self.board_select.setEditable(True)
self.board_select.setFixedWidth(100)
self.connect_button = QtGui.QPushButton('Connect')
self.config_button = QtGui.QPushButton('Config')
self.boardgroup_layout = QtGui.QHBoxLayout()
self.boardgroup_layout.addWidget(self.board_label)
self.boardgroup_layout.addWidget(self.board_select)
self.boardgroup_layout.addWidget(self.connect_button)
self.boardgroup_layout.addWidget(self.config_button)
self.board_groupbox.setLayout(self.boardgroup_layout)
self.connect_button.clicked.connect(
lambda: self.disconnect() if self.connected else self.connect())
self.config_button.clicked.connect(self.open_config_dialog)
# File groupbox
self.file_groupbox = QtGui.QGroupBox('Data file')
self.data_dir_label = QtGui.QLabel('Data dir:')
self.data_dir_text = QtGui.QLineEdit(data_dir)
self.data_dir_button = QtGui.QPushButton('...')
self.data_dir_button.setFixedWidth(30)
self.subject_label = QtGui.QLabel('Subject ID:')
self.subject_text = QtGui.QLineEdit()
self.subject_text.setFixedWidth(80)
self.subject_text.setMaxLength(12)
self.filegroup_layout = QtGui.QHBoxLayout()
self.filegroup_layout.addWidget(self.data_dir_label)
self.filegroup_layout.addWidget(self.data_dir_text)
self.filegroup_layout.addWidget(self.data_dir_button)
self.filegroup_layout.addWidget(self.subject_label)
self.filegroup_layout.addWidget(self.subject_text)
self.file_groupbox.setLayout(self.filegroup_layout)
self.data_dir_text.textChanged.connect(self.test_data_path)
self.data_dir_button.clicked.connect(self.select_data_dir)
self.subject_text.textChanged.connect(self.test_data_path)
# Task groupbox
self.task_groupbox = QtGui.QGroupBox('Task')
self.task_label = QtGui.QLabel('Task:')
self.task_select = QtGui.QComboBox()
self.upload_button = QtGui.QPushButton('Upload')
self.variables_button = QtGui.QPushButton('Variables')
self.taskgroup_layout = QtGui.QHBoxLayout()
self.taskgroup_layout.addWidget(self.task_label)
self.taskgroup_layout.addWidget(self.task_select)
self.taskgroup_layout.addWidget(self.upload_button)
self.taskgroup_layout.addWidget(self.variables_button)
self.task_groupbox.setLayout(self.taskgroup_layout)
self.task_select.currentTextChanged.connect(self.task_changed)
self.upload_button.clicked.connect(self.setup_task)
# Session groupbox.
self.session_groupbox = QtGui.QGroupBox('Session')
self.start_button = QtGui.QPushButton('Start')
self.stop_button = QtGui.QPushButton('Stop')
self.sessiongroup_layout = QtGui.QHBoxLayout()
self.sessiongroup_layout.addWidget(self.start_button)
self.sessiongroup_layout.addWidget(self.stop_button)
self.session_groupbox.setLayout(self.sessiongroup_layout)
self.start_button.clicked.connect(self.start_task)
self.stop_button.clicked.connect(self.stop_task)
# Log text and task plots.
self.log_textbox = QtGui.QTextEdit()
self.log_textbox.setFont(QtGui.QFont('Courier', 9))
self.log_textbox.setReadOnly(True)
self.task_plot = Task_plot()
self.data_logger = Data_logger(print_func=self.print_to_log,
data_consumers=[self.task_plot])
# Main layout
self.vertical_layout = QtGui.QVBoxLayout()
self.horizontal_layout_1 = QtGui.QHBoxLayout()
self.horizontal_layout_2 = QtGui.QHBoxLayout()
self.horizontal_layout_3 = QtGui.QHBoxLayout()
self.horizontal_layout_1.addWidget(self.status_groupbox)
self.horizontal_layout_1.addWidget(self.board_groupbox)
self.horizontal_layout_2.addWidget(self.file_groupbox)
self.horizontal_layout_3.addWidget(self.task_groupbox)
self.horizontal_layout_3.addWidget(self.session_groupbox)
self.vertical_layout.addLayout(self.horizontal_layout_1)
self.vertical_layout.addLayout(self.horizontal_layout_2)
self.vertical_layout.addLayout(self.horizontal_layout_3)
self.vertical_layout.addWidget(self.log_textbox, 20)
self.vertical_layout.addWidget(self.task_plot, 80)
self.setLayout(self.vertical_layout)
# Create timers
self.update_timer = QtCore.QTimer(
) # Timer to regularly call update() during run.
self.update_timer.timeout.connect(self.update)
# Initial setup.
self.disconnect() # Set initial state as disconnected.
# General methods
def print_to_log(self, print_string, end='\n'):
self.log_textbox.moveCursor(QtGui.QTextCursor.End)
self.log_textbox.insertPlainText(print_string + end)
self.log_textbox.moveCursor(QtGui.QTextCursor.End)
self.GUI_main.app.processEvents(
) # To update gui during long operations that print progress.
def test_data_path(self):
# Checks whether data dir and subject ID are valid.
self.data_dir = self.data_dir_text.text()
subject_ID = self.subject_text.text()
if os.path.isdir(self.data_dir) and subject_ID:
self.start_button.setText('Record')
return True
else:
self.start_button.setText('Start')
return False
def refresh(self):
# Called regularly when framework not running.
if self.GUI_main.setups_tab.available_setups_changed:
self.board_select.clear()
self.board_select.addItems(self.GUI_main.setups_tab.setup_names)
if self.GUI_main.available_tasks_changed:
self.task_select.clear()
self.task_select.addItems(sorted(self.GUI_main.available_tasks))
if self.task:
try:
task_path = os.path.join(tasks_dir, self.task + '.py')
if not self.task_hash == _djb2_file(
task_path): # Task file modified.
self.task_changed()
except FileNotFoundError:
pass
def open_config_dialog(self):
'''Open the config dialog and update GUI as required by chosen config.'''
self.GUI_main.config_dialog.exec_(self.board)
self.task_changed()
if self.GUI_main.config_dialog.disconnect:
self.disconnect()
# Widget methods.
def connect(self):
# Connect to pyboard.
try:
self.status_text.setText('Connecting...')
self.board_select.setEnabled(False)
self.variables_button.setEnabled(False)
self.connect_button.setEnabled(False)
self.repaint()
port = self.GUI_main.setups_tab.get_port(
self.board_select.currentText())
self.board = Pycboard(port,
print_func=self.print_to_log,
data_logger=self.data_logger)
self.connected = True
self.config_button.setEnabled(True)
self.task_groupbox.setEnabled(True)
self.connect_button.setEnabled(True)
self.connect_button.setText('Disconnect')
self.status_text.setText('Connected')
except SerialException:
self.status_text.setText('Connection failed')
self.print_to_log('Connection failed.')
self.connect_button.setEnabled(True)
if self.connected and not self.board.status['framework']:
self.board.load_framework()
def disconnect(self):
# Disconnect from pyboard.
if self.board: self.board.close()
self.board = None
self.task_groupbox.setEnabled(False)
self.file_groupbox.setEnabled(False)
self.session_groupbox.setEnabled(False)
self.config_button.setEnabled(False)
self.board_select.setEnabled(True)
self.connect_button.setText('Connect')
self.status_text.setText('Not connected')
self.task_changed()
self.connected = False
def task_changed(self):
self.uploaded = False
self.upload_button.setText('Upload')
self.start_button.setEnabled(False)
def setup_task(self):
try:
task = self.task_select.currentText()
if self.uploaded:
self.status_text.setText('Resetting task..')
else:
self.status_text.setText('Uploading..')
self.task_hash = _djb2_file(
os.path.join(tasks_dir, task + '.py'))
self.start_button.setEnabled(False)
self.variables_button.setEnabled(False)
self.repaint()
self.board.setup_state_machine(task, uploaded=self.uploaded)
if self.variables_dialog:
self.variables_button.clicked.disconnect()
self.variables_dialog.deleteLater()
self.variables_dialog = Variables_dialog(self, self.board)
self.variables_button.clicked.connect(self.variables_dialog.exec_)
self.variables_button.setEnabled(True)
self.task_plot.set_state_machine(self.board.sm_info)
self.file_groupbox.setEnabled(True)
self.session_groupbox.setEnabled(True)
self.start_button.setEnabled(True)
self.stop_button.setEnabled(False)
self.status_text.setText('Uploaded : ' + task)
self.task = task
self.fresh_task = True
self.uploaded = True
self.upload_button.setText('Reset')
except PyboardError:
self.status_text.setText('Error setting up state machine.')
def select_data_dir(self):
self.data_dir_text.setText(
QtGui.QFileDialog.getExistingDirectory(self, 'Select data folder',
data_dir))
def start_task(self):
recording = self.test_data_path()
if recording:
if not self.fresh_task:
reset_task = QtGui.QMessageBox.question(
self, 'Reset task',
'Task has already been run, variables may not have default values.\n\nReset task?',
QtGui.QMessageBox.Yes, QtGui.QMessageBox.No)
if reset_task == QtGui.QMessageBox.Yes:
self.setup_task()
return
subject_ID = str(self.subject_text.text())
self.data_logger.open_data_file(self.data_dir, 'run_task',
subject_ID)
self.fresh_task = False
self.running = True
self.board.start_framework()
self.task_plot.run_start(recording)
self.task_select.setEnabled(False)
self.upload_button.setEnabled(False)
self.file_groupbox.setEnabled(False)
self.start_button.setEnabled(False)
self.board_groupbox.setEnabled(False)
self.stop_button.setEnabled(True)
self.print_to_log('\nRun started at: {}\n'.format(
datetime.now().strftime('%Y/%m/%d %H:%M:%S')))
self.update_timer.start(update_interval)
self.GUI_main.refresh_timer.stop()
self.status_text.setText('Running: ' + self.task)
self.GUI_main.tab_widget.setTabEnabled(
1, False) # Disable experiments tab.
self.GUI_main.tab_widget.setTabEnabled(2, False) # Disable setups tab.
def stop_task(self, error=False, stopped_by_task=False):
self.running = False
self.update_timer.stop()
self.GUI_main.refresh_timer.start(self.GUI_main.refresh_interval)
if not (error or stopped_by_task):
self.board.stop_framework()
QtCore.QTimer.singleShot(
100, self.update) # Catch output after framework stops.
self.data_logger.close_files()
self.task_plot.run_stop()
self.board_groupbox.setEnabled(True)
self.file_groupbox.setEnabled(True)
self.start_button.setEnabled(True)
self.task_select.setEnabled(True)
self.upload_button.setEnabled(True)
self.stop_button.setEnabled(False)
self.status_text.setText('Uploaded : ' + self.task)
self.GUI_main.tab_widget.setTabEnabled(1, True) # Enable setups tab.
self.GUI_main.tab_widget.setTabEnabled(2, True) # Enable setups tab.
# Timer updates
def update(self):
# Called regularly during run to process data from board and update plots.
try:
self.board.process_data()
if not self.board.framework_running:
self.stop_task(stopped_by_task=True)
except PyboardError:
self.print_to_log('\nError during framework run.')
self.stop_task(error=True)
self.task_plot.update()
# Cleanup.
def closeEvent(self, event):
# Called when GUI window is closed.
if self.board:
self.board.stop_framework()
self.board.close()
event.accept()
# Exception handling.
def excepthook(self, ex_type, ex_value, ex_traceback):
# Called whenever an uncaught exception occurs.
if ex_type in (SerialException, SerialTimeoutException):
self.print_to_log('\nError: Serial connection with board lost.')
elif ex_type == PyboardError:
self.print_to_log('\nError: Unable to execute command.')
else:
self.print_to_log(
'\nError: uncaught exception of type: {}'.format(ex_type))
if self.running:
self.stop_task(error=True)
self.disconnect()
class Run_task_tab(QtGui.QWidget):
def __init__(self, parent=None):
super(QtGui.QWidget, self).__init__(parent)
# Variables.
self.GUI_main = self.parent()
self.board = None # Pycboard class instance.
self.task = None # Task currently uploaded on pyboard.
self.task_hash = None # Used to check if file has changed.
self.data_dir = None # Folder to save data files.
self.custom_dir = False # True if data_dir field has been changed from default.
self.connected = False # Whether gui is conencted to pyboard.
self.uploaded = False # Whether selected task file is on board.
self.fresh_task = None # Whether task has been run or variables edited.
self.running = False
self.subject_changed = False
self.variables_dialog = None
# GUI groupbox.
self.status_groupbox = QtGui.QGroupBox("Status")
self.status_text = QtGui.QLineEdit("Not connected")
self.status_text.setReadOnly(True)
self.guigroup_layout = QtGui.QHBoxLayout()
self.guigroup_layout.addWidget(self.status_text)
self.status_groupbox.setLayout(self.guigroup_layout)
# Board groupbox
self.board_groupbox = QtGui.QGroupBox("Setup")
self.board_select = QtGui.QComboBox()
self.board_select.addItems(["No setups found"])
self.board_select.setSizeAdjustPolicy(0)
self.connect_button = QtGui.QPushButton("Connect")
self.connect_button.setIcon(QtGui.QIcon("gui/icons/connect.svg"))
self.connect_button.setEnabled(False)
self.config_button = QtGui.QPushButton("Config")
self.config_button.setIcon(QtGui.QIcon("gui/icons/settings.svg"))
self.boardgroup_layout = QtGui.QHBoxLayout()
self.boardgroup_layout.addWidget(self.board_select)
self.boardgroup_layout.addWidget(self.connect_button)
self.boardgroup_layout.addWidget(self.config_button)
self.board_groupbox.setLayout(self.boardgroup_layout)
self.connect_button.clicked.connect(
lambda: self.disconnect() if self.connected else self.connect())
self.config_button.clicked.connect(self.open_config_dialog)
# File groupbox
self.file_groupbox = QtGui.QGroupBox("Data file")
self.data_dir_label = QtGui.QLabel("Data dir:")
self.data_dir_label.setAlignment(QtCore.Qt.AlignRight
| QtCore.Qt.AlignVCenter)
self.data_dir_text = QtGui.QLineEdit(dirs["data"])
self.data_dir_button = QtGui.QPushButton()
self.data_dir_button.setIcon(QtGui.QIcon("gui/icons/folder.svg"))
self.data_dir_button.setFixedWidth(30)
self.subject_label = QtGui.QLabel("Subject ID:")
self.subject_text = QtGui.QLineEdit()
self.filegroup_layout = QtGui.QGridLayout()
self.filegroup_layout.addWidget(self.data_dir_label, 0, 0)
self.filegroup_layout.addWidget(self.data_dir_text, 0, 1)
self.filegroup_layout.addWidget(self.data_dir_button, 0, 2)
self.filegroup_layout.addWidget(self.subject_label, 1, 0)
self.filegroup_layout.addWidget(self.subject_text, 1, 1)
self.file_groupbox.setLayout(self.filegroup_layout)
self.data_dir_text.textChanged.connect(self.test_data_path)
self.data_dir_text.textEdited.connect(
lambda: setattr(self, "custom_dir", True))
self.data_dir_button.clicked.connect(self.select_data_dir)
self.subject_text.textChanged.connect(self.test_data_path)
# Task groupbox
self.task_groupbox = QtGui.QGroupBox("Task")
self.task_select = TaskSelectMenu("select task")
self.task_select.set_callback(self.task_changed)
self.upload_button = QtGui.QPushButton("Upload")
self.upload_button.setIcon(
QtGui.QIcon("gui/icons/circle-arrow-up.svg"))
self.variables_button = QtGui.QPushButton("Variables")
self.variables_button.setIcon(QtGui.QIcon("gui/icons/filter.svg"))
self.taskgroup_layout = QtGui.QGridLayout()
self.taskgroup_layout.addWidget(self.task_select, 0, 0, 1, 2)
self.taskgroup_layout.addWidget(self.upload_button, 1, 0)
self.taskgroup_layout.addWidget(self.variables_button, 1, 1)
self.task_groupbox.setLayout(self.taskgroup_layout)
self.upload_button.clicked.connect(self.setup_task)
# Session groupbox.
self.session_groupbox = QtGui.QGroupBox("Session")
self.start_button = QtGui.QPushButton("Start")
self.start_button.setIcon(QtGui.QIcon("gui/icons/play.svg"))
self.stop_button = QtGui.QPushButton("Stop")
self.stop_button.setIcon(QtGui.QIcon("gui/icons/stop.svg"))
self.task_info = TaskInfo()
self.sessiongroup_layout = QtGui.QGridLayout()
self.sessiongroup_layout.addWidget(self.task_info.print_label, 0, 1)
self.sessiongroup_layout.addWidget(self.task_info.print_text, 0, 2, 1,
3)
self.sessiongroup_layout.addWidget(self.task_info.state_label, 1, 1)
self.sessiongroup_layout.addWidget(self.task_info.state_text, 1, 2)
self.sessiongroup_layout.addWidget(self.task_info.event_label, 1, 3)
self.sessiongroup_layout.addWidget(self.task_info.event_text, 1, 4)
self.sessiongroup_layout.addWidget(self.start_button, 0, 0)
self.sessiongroup_layout.addWidget(self.stop_button, 1, 0)
self.session_groupbox.setLayout(self.sessiongroup_layout)
self.start_button.clicked.connect(self.start_task)
self.stop_button.clicked.connect(self.stop_task)
# Log text and task plots.
self.log_textbox = QtGui.QTextEdit()
self.log_textbox.setFont(QtGui.QFont("Courier New", log_font_size))
self.log_textbox.setReadOnly(True)
self.task_plot = Task_plot()
self.data_logger = Data_logger(
print_func=self.print_to_log,
data_consumers=[self.task_plot, self.task_info])
# Main layout
self.vertical_layout = QtGui.QVBoxLayout()
self.horizontal_layout_1 = QtGui.QHBoxLayout()
self.horizontal_layout_2 = QtGui.QHBoxLayout()
self.horizontal_layout_3 = QtGui.QHBoxLayout()
self.horizontal_layout_1.addWidget(self.status_groupbox)
self.horizontal_layout_1.addWidget(self.board_groupbox)
self.horizontal_layout_2.addWidget(self.task_groupbox)
self.horizontal_layout_2.addWidget(self.file_groupbox)
self.horizontal_layout_3.addWidget(self.session_groupbox)
self.vertical_layout.addLayout(self.horizontal_layout_1)
self.vertical_layout.addLayout(self.horizontal_layout_2)
self.vertical_layout.addLayout(self.horizontal_layout_3)
self.vertical_layout.addWidget(self.log_textbox, 20)
self.vertical_layout.addWidget(self.task_plot, 80)
self.setLayout(self.vertical_layout)
# Create timers
self.update_timer = QtCore.QTimer(
) # Timer to regularly call update() during run.
self.update_timer.timeout.connect(self.update)
# Keyboard Shortcuts
shortcut_dict = {
"t":
lambda: self.task_select.showMenu(),
"u":
lambda: self.setup_task(),
"Space": (lambda: self.stop_task()
if self.running else self.start_task()
if self.uploaded else None),
}
init_keyboard_shortcuts(self, shortcut_dict)
# Initial setup.
self.disconnect() # Set initial state as disconnected.
# General methods
def print_to_log(self, print_string, end="\n"):
self.log_textbox.moveCursor(QtGui.QTextCursor.End)
self.log_textbox.insertPlainText(print_string + end)
self.log_textbox.moveCursor(QtGui.QTextCursor.End)
self.GUI_main.app.processEvents(
) # To update gui during long operations that print progress.
def test_data_path(self):
# Checks whether data dir and subject ID are valid.
self.data_dir = self.data_dir_text.text()
subject_ID = self.subject_text.text()
if os.path.isdir(self.data_dir) and subject_ID:
self.start_button.setText("Record")
self.start_button.setIcon(QtGui.QIcon("gui/icons/record.svg"))
return True
else:
self.start_button.setText("Start")
self.start_button.setIcon(QtGui.QIcon("gui/icons/play.svg"))
return False
def refresh(self):
# Called regularly when framework not running.
if self.GUI_main.setups_tab.available_setups_changed:
self.board_select.clear()
if self.GUI_main.setups_tab.setup_names:
self.board_select.addItems(
self.GUI_main.setups_tab.setup_names)
if not self.connected:
self.connect_button.setEnabled(True)
else: # No setups available to connect to.
self.board_select.addItems(["No setups found"])
self.connect_button.setEnabled(False)
if self.GUI_main.available_tasks_changed:
self.task_select.update_menu(dirs["tasks"])
if self.GUI_main.data_dir_changed and not self.custom_dir:
self.data_dir_text.setText(dirs["data"])
if self.task:
try:
task_path = os.path.join(dirs["tasks"], self.task + ".py")
if not self.task_hash == _djb2_file(
task_path): # Task file modified.
self.task_changed()
except FileNotFoundError:
pass
def open_config_dialog(self):
"""Open the config dialog and update GUI as required by chosen config."""
self.GUI_main.config_dialog.exec_(self.board)
self.task_changed()
if self.GUI_main.config_dialog.disconnect:
time.sleep(0.5)
self.GUI_main.refresh()
self.disconnect()
if self.connected and self.board.status["framework"]:
self.task_groupbox.setEnabled(True)
# Widget methods.
def connect(self):
# Connect to pyboard.
try:
self.status_text.setText("Connecting...")
self.board_select.setEnabled(False)
self.variables_button.setEnabled(False)
self.connect_button.setEnabled(False)
self.repaint()
port = self.GUI_main.setups_tab.get_port(
self.board_select.currentText())
self.board = Pycboard(port,
print_func=self.print_to_log,
data_logger=self.data_logger)
self.connected = True
self.config_button.setEnabled(True)
self.connect_button.setEnabled(True)
self.connect_button.setText("Disconnect")
self.connect_button.setIcon(
QtGui.QIcon("gui/icons/disconnect.svg"))
self.status_text.setText("Connected")
if self.board.status["framework"]:
self.task_groupbox.setEnabled(True)
else:
self.print_to_log(
"\nLoad pyControl framework using 'Config' button.")
except (SerialException, PyboardError):
self.status_text.setText("Connection failed")
self.print_to_log("Connection failed.")
self.connect_button.setEnabled(True)
self.board_select.setEnabled(True)
def disconnect(self):
# Disconnect from pyboard.
if self.board:
self.board.close()
self.board = None
self.task_groupbox.setEnabled(False)
self.file_groupbox.setEnabled(False)
self.session_groupbox.setEnabled(False)
self.config_button.setEnabled(False)
self.board_select.setEnabled(True)
self.connect_button.setText("Connect")
self.connect_button.setIcon(QtGui.QIcon("gui/icons/connect.svg"))
self.status_text.setText("Not connected")
self.task_changed()
self.connected = False
def task_changed(self, *args):
self.uploaded = False
self.upload_button.setText("Upload")
self.upload_button.setIcon(
QtGui.QIcon("gui/icons/circle-arrow-up.svg"))
self.start_button.setEnabled(False)
self.variables_button.setEnabled(False)
def setup_task(self):
task = self.task_select.text()
if task == "select task":
return
try:
if self.uploaded:
self.status_text.setText("Resetting task..")
else:
self.status_text.setText("Uploading..")
self.task_hash = _djb2_file(
os.path.join(dirs["tasks"], task + ".py"))
self.start_button.setEnabled(False)
self.variables_button.setEnabled(False)
self.repaint()
self.board.setup_state_machine(task, uploaded=self.uploaded)
if self.variables_dialog:
self.variables_button.clicked.disconnect()
self.variables_dialog.deleteLater()
self.task = task
if "custom_variables_dialog" in self.board.sm_info["variables"]:
custom_variables_name = eval(
self.board.sm_info["variables"]["custom_variables_dialog"])
potential_dialog = Custom_variables_dialog(
self, custom_variables_name)
if potential_dialog.using_custom_gui:
self.variables_dialog = potential_dialog
self.using_custom_gui = True
else:
self.variables_dialog = Variables_dialog(self, self.board)
self.using_custom_gui = False
else:
self.variables_dialog = Variables_dialog(self, self.board)
self.using_custom_gui = False
self.variables_button.clicked.connect(self.variables_dialog.exec_)
self.variables_button.setEnabled(True)
self.task_plot.set_state_machine(self.board.sm_info)
self.task_info.set_state_machine(self.board.sm_info)
self.file_groupbox.setEnabled(True)
self.session_groupbox.setEnabled(True)
self.start_button.setEnabled(True)
self.stop_button.setEnabled(False)
self.status_text.setText("Uploaded : " + task)
self.fresh_task = True
self.uploaded = True
self.upload_button.setText("Reset")
self.upload_button.setIcon(QtGui.QIcon("gui/icons/refresh.svg"))
except PyboardError:
self.status_text.setText("Error setting up state machine.")
def select_data_dir(self):
new_path = QtGui.QFileDialog.getExistingDirectory(
self, "Select data folder", dirs["data"])
if new_path:
self.data_dir_text.setText(new_path)
self.custom_dir = True
def start_task(self):
recording = self.test_data_path()
if recording:
if not self.fresh_task:
reset_task = QtGui.QMessageBox.question(
self,
"Reset task",
"Task has already been run, variables may not have default values.\n\nReset task?",
QtGui.QMessageBox.Yes,
QtGui.QMessageBox.No,
)
if reset_task == QtGui.QMessageBox.Yes:
self.setup_task()
return
subject_ID = str(self.subject_text.text())
setup_ID = str(self.board_select.currentText())
self.data_logger.open_data_file(self.data_dir, "run_task",
setup_ID, subject_ID)
self.data_logger.copy_task_file(self.data_dir, dirs["tasks"],
"run_task-task_files")
self.fresh_task = False
self.running = True
self.board.start_framework()
self.task_plot.run_start(recording)
self.task_select.setEnabled(False)
self.upload_button.setEnabled(False)
self.file_groupbox.setEnabled(False)
self.start_button.setEnabled(False)
self.board_groupbox.setEnabled(False)
self.stop_button.setEnabled(True)
if self.using_custom_gui:
self.variables_dialog.edit_action.setEnabled(False)
self.print_to_log(
f"\nRun started at: {datetime.now().strftime('%Y/%m/%d %H:%M:%S')}\n"
)
self.update_timer.start(update_interval)
self.GUI_main.refresh_timer.stop()
self.status_text.setText("Running: " + self.task)
self.GUI_main.tab_widget.setTabEnabled(
1, False) # Disable experiments tab.
self.GUI_main.tab_widget.setTabEnabled(2, False) # Disable setups tab.
def stop_task(self, error=False, stopped_by_task=False):
self.running = False
self.update_timer.stop()
self.GUI_main.refresh_timer.start(self.GUI_main.refresh_interval)
if not (error or stopped_by_task):
self.board.stop_framework()
time.sleep(0.05)
self.board.process_data()
self.data_logger.close_files()
self.task_plot.run_stop()
self.board_groupbox.setEnabled(True)
self.file_groupbox.setEnabled(True)
self.start_button.setEnabled(True)
self.task_select.setEnabled(True)
self.upload_button.setEnabled(True)
self.stop_button.setEnabled(False)
if self.using_custom_gui:
self.variables_dialog.edit_action.setEnabled(True)
self.status_text.setText("Uploaded : " + self.task)
self.GUI_main.tab_widget.setTabEnabled(1, True) # Enable setups tab.
self.GUI_main.tab_widget.setTabEnabled(2, True) # Enable setups tab.
# Timer updates
def update(self):
# Called regularly during run to process data from board and update plots.
try:
self.board.process_data()
if not self.board.framework_running:
self.stop_task(stopped_by_task=True)
except PyboardError:
self.print_to_log("\nError during framework run.")
self.stop_task(error=True)
self.task_plot.update()
# Cleanup.
def closeEvent(self, event):
# Called when GUI window is closed.
if self.board:
self.board.stop_framework()
self.board.close()
event.accept()
# Exception handling.
def excepthook(self, ex_type, ex_value, ex_traceback):
# Called whenever an uncaught exception occurs.
if ex_type in (SerialException, SerialTimeoutException):
self.print_to_log("\nError: Serial connection with board lost.")
elif ex_type == PyboardError:
self.print_to_log("\nError: Unable to execute command.")
else:
self.print_to_log(
f"\nError: uncaught exception of type: {ex_type}")
if self.running:
self.stop_task(error=True)
self.disconnect()