diff options
| -rw-r--r-- | install.sh | 15 | ||||
| -rw-r--r-- | touch_async.py | 111 |
2 files changed, 125 insertions, 1 deletions
@@ -1,5 +1,12 @@ #!/bin/bash + +# For checking version numbers greater than or equal. +check_ver_lte() { + [ "$1" = "`echo -e "$1\n$2" | sort -V | head -n1`" ] +} + + chmod +x *.sh *.py sudo patch -b /boot/config.txt 7inch.patch sudo apt-get install -y python3-pip libudev-dev @@ -7,7 +14,13 @@ sudo pip-3.2 install python-uinput pyudev #if pip-3.2 can't be found, please use pip3 #sudo pip3 install python-uinput pyudev -sudo cp touch.py /usr/bin/ +PYTHON_VERSION=`python3 -c 'import sys; print(".".join(map(str, sys.version_info[:3])))'` +if check_ver_lte "3.4" $PYTHON_VERSION; then + echo "Python $PYTHON_VERSION detected - using async driver." + sudo cp touch_async.py /usr/bin/touch.py +else + sudo cp touch.py /usr/bin/ +fi sudo cp touch.sh /etc/init.d/ sudo chmod +x /usr/bin/touch.py diff --git a/touch_async.py b/touch_async.py new file mode 100644 index 0000000..6d3d47e --- /dev/null +++ b/touch_async.py @@ -0,0 +1,111 @@ +#!/usr/bin/env python3 + +import struct +import time +import math +import glob +import uinput +import pyudev +import os +import asyncio + + +def check_device(thedevice): + # Currently we don't get a full udev dictionary from the device on + # Raspberry pi, so we do a hard search for the device vendor/id hex. + if '0EEF:0005' in (thedevice.get('DEVPATH')): + print("Device found at: ", thedevice.device_node) + with open(thedevice.device_node, 'rb') as f: + print("Opening device and initiating mouse emulation.") + tasks.clear() + tasks.append(asyncio.async(read_and_emulate_mouse(f))) + loop.run_until_complete(asyncio.wait(tasks)) + print("Device async task terminated.") + + +@asyncio.coroutine +def async_read_data(fd, length): + yield from asyncio.sleep(0) + return fd.read(length) + + +@asyncio.coroutine +def read_and_emulate_mouse(fd): + + cnt = 0 + + input_device = uinput.Device([ + uinput.BTN_LEFT, + uinput.BTN_RIGHT, + uinput.ABS_X, + uinput.ABS_Y, + ]) + + clicked = False + rightClicked = False + (lastX, lastY) = (0, 0) + startTime = time.time() + + while True: + cnt = cnt + 1 + try: + touch_data = yield from async_read_data(fd, 25) + # print('Data' + ': ' + str(cnt) + ' - ' + str(len(touch_data))) + if touch_data == 0: + break; + except IOError: + return 0 + + (tag, btnLeft, x, y) = struct.unpack_from('>c?HH', touch_data) + print(btnLeft, x, y) + + if btnLeft: + input_device.emit(uinput.ABS_X, x, True) + input_device.emit(uinput.ABS_Y, y, True) + + if not clicked: + print("Left click.") + input_device.emit(uinput.BTN_LEFT, 1) + clicked = True + startTime = time.time() + (lastX, lastY) = (x, y) + + duration = time.time() - startTime + movement = math.sqrt(pow(x - lastX, 2) + pow(y - lastY, 2)) + + if clicked and (not rightClicked) and (duration > 1) and (movement < 20): + print("Right click.") + input_device.emit(uinput.BTN_RIGHT, 1) + input_device.emit(uinput.BTN_RIGHT, 0) + rightClicked = True + else: + print("Release.") + clicked = False + rightClicked = False + input_device.emit(uinput.BTN_LEFT, 0) + + fd.close() + + +if __name__ == "__main__": + os.system("modprobe uinput") + + tasks = [] + loop = asyncio.get_event_loop() + + context = pyudev.Context() + print("Checking devices already plugged-in...") + for device in context.list_devices(subsystem='hidraw'): + check_device(device) + + monitor = pyudev.Monitor.from_netlink(context) + monitor.filter_by(subsystem='hidraw') + print("Waiting for touch device connection...") + + for device in iter(monitor.poll, None): + print("HID device notification. ACTION: ", device.get('ACTION')) +# print(device.device_node) + + if 'add' in (device.get('ACTION')): + check_device(device) + |