mirror of
https://github.com/dragonpilot/dragonpilot.git
synced 2026-02-19 00:33:52 +08:00
58 lines
2.1 KiB
Python
Executable File
58 lines
2.1 KiB
Python
Executable File
#!/usr/bin/env python
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import os
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import sys
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from subprocess import Popen, PIPE
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import fcntl
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def create_usb_list():
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device_list = list()
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try:
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lsusb_out = Popen('lsusb -v', shell=True, bufsize=64, stdin=PIPE, stdout=PIPE, close_fds=True).stdout.read().strip().decode('utf-8')
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usb_devices = lsusb_out.split('%s%s' % (os.linesep, os.linesep))
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for device_categories in usb_devices:
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if not device_categories:
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continue
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categories = device_categories.split(os.linesep)
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device_stuff = categories[0].strip().split()
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bus = device_stuff[1]
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device = device_stuff[3][:-1]
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device_dict = {'bus': bus, 'device': device}
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device_info = ' '.join(device_stuff[6:])
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device_dict['description'] = device_info
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for category in categories:
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if not category:
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continue
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categoryinfo = category.strip().split()
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if categoryinfo[0] == 'iManufacturer':
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manufacturer_info = ' '.join(categoryinfo[2:])
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device_dict['manufacturer'] = manufacturer_info
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if categoryinfo[0] == 'iProduct':
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device_info = ' '.join(categoryinfo[2:])
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device_dict['device'] = device_info
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path = '/dev/bus/usb/%s/%s' % (bus, device)
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device_dict['path'] = path
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device_list.append(device_dict)
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except Exception as ex:
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print('Failed to list usb devices! Error: %s' % ex)
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sys.exit(-1)
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return device_list
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def kill_usb(dev_path):
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USBDEVFS_RESET = 21780
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try:
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f = open(dev_path, 'w', os.O_WRONLY)
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fcntl.ioctl(f, USBDEVFS_RESET, 0)
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print('Successfully reset %s' % dev_path)
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sys.exit(0)
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except Exception as ex:
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print('Failed to reset device! Error: %s' % ex)
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sys.exit(-1)
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if __name__ == "__main__":
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usb_list = create_usb_list()
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for device in usb_list:
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if device['manufacturer'] == 'comma.ai':
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kill_usb(device['path'])
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sys.exit(0) |