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#!/usr/bin/env python3
from pathlib import Path
from sys import argv, exit
from signal import SIGINT
from struct import unpack
import common
import gi
gi.require_versions({'GLib': '2.0', 'Hinawa': '4.0'})
from gi.repository import GLib, Hinawa
# Qt5 python binding
from PyQt5.QtWidgets import (
QApplication,
QWidget,
QHBoxLayout,
QVBoxLayout,
QToolButton,
QGroupBox,
QLineEdit,
QLabel,
)
def main() -> int:
if len(argv) < 2:
msg = ('One argument is required for path to special file of Linux FireWire character '
'device')
common.print_help_with_msg(Path(__file__).name, msg)
return 1
cmd, literal = argv[:2]
try:
path = common.detect_fw_cdev(literal)
except Exception as e:
common.print_help_with_msg(cmd, str(e))
return 1
try:
node = Hinawa.FwNode.new()
_ = node.open(str(path), 0)
common.print_fw_node_information(node)
except Exception as e:
msg = str(e)
common.print_help_with_msg(cmd, msg)
return 1
with common.listen_node_event(node, path):
app = QApplication(argv)
sample = Sample(app, node)
node.connect('disconnected', lambda n, a: a.quit(), app)
sample.show()
app.exec()
return 0
class Sample(QWidget):
def __init__(self, app, node):
super(Sample, self).__init__()
self.node = node
self.req = Hinawa.FwReq.new()
self.setWindowTitle("Hinawa-4.0 gir sample")
layout = QVBoxLayout()
self.setLayout(layout)
top_grp = QGroupBox(self)
top_layout = QHBoxLayout()
top_grp.setLayout(top_layout)
layout.addWidget(top_grp)
buttom_grp = QGroupBox(self)
buttom_layout = QHBoxLayout()
buttom_grp.setLayout(buttom_layout)
layout.addWidget(buttom_grp)
button = QToolButton(top_grp)
button.setText('Read')
top_layout.addWidget(button)
button.clicked.connect(self.run_transaction)
close = QToolButton(top_grp)
close.setText('Close')
top_layout.addWidget(close)
close.clicked.connect(app.quit)
self.addr = QLineEdit(buttom_grp)
self.addr.setText('0xfffff0000980')
buttom_layout.addWidget(self.addr)
self.value = QLabel(buttom_grp)
self.value.setText('00000000')
buttom_layout.addWidget(self.value)
# handle unix signal
GLib.unix_signal_add(GLib.PRIORITY_HIGH, SIGINT, lambda a: a.quit(), app)
def run_transaction(self, val):
addr = int(self.addr.text(), 16)
frames = [0] * 4
try:
quadlet = common.read_quadlet(self.node, self.req, addr)
except Exception as e:
print(e)
label = '0x{:08x}'.format(quadlet)
self.value.setText(label)
if __name__ == '__main__':
exit(main())
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