2 # Copyright 2017 Luiz Ribeiro <luizribeiro@gmail.com>, Sebastian Kaim <sebb@sebb767.de>
4 # This program is free software: you can redistribute it and/or modify
5 # it under the terms of the GNU General Public License as published by
6 # the Free Software Foundation, either version 2 of the License, or
7 # (at your option) any later version.
9 # This program is distributed in the hope that it will be useful,
10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 # GNU General Public License for more details.
14 # You should have received a copy of the GNU General Public License
15 # along with this program. If not, see <http://www.gnu.org/licenses/>.
17 from __future__ import print_function
25 def checkForKeyboardInNormalMode():
26 """Returns a device if a ps2avrGB device in normal made (that is in keyboard mode) or None if it is not found."""
27 return usb.core.find(idVendor=0x20A0, idProduct=0x422D)
29 def checkForKeyboardInBootloaderMode():
30 """Returns True if a ps2avrGB device in bootloader (flashable) mode is found and False otherwise."""
31 return (usb.core.find(idVendor=0x16c0, idProduct=0x05df) is not None)
33 def flashKeyboard(firmware_file):
34 """Calls bootloadHID to flash the given file to the device."""
35 print('Flashing firmware to device ...')
36 if os.system('bootloadHID -r "%s"' % firmware_file) == 0:
39 print('\nbootloadHID returned an error.')
41 def printDeviceInfo(dev):
42 """Prints all infos for a given USB device"""
43 print('Device Information:')
44 print(' idVendor: %d (0x%04x)' % (dev.idVendor, dev.idVendor))
45 print(' idProduct: %d (0x%04x)' % (dev.idProduct, dev.idProduct))
46 print('Manufacturer: %s' % (dev.iManufacturer))
47 print('Serial: %s' % (dev.iSerialNumber))
48 print('Product: %s' % (dev.iProduct), end='\n\n')
50 def sendDeviceToBootloaderMode(dev):
51 """Tries to send a given ps2avrGB keyboard to bootloader mode to allow flashing."""
53 dev.set_configuration()
55 request_type = usb.util.build_request_type(
57 usb.util.CTRL_TYPE_CLASS,
58 usb.util.CTRL_RECIPIENT_DEVICE)
60 USBRQ_HID_SET_REPORT = 0x09
61 HID_REPORT_OPTION = 0x0301
63 dev.ctrl_transfer(request_type, USBRQ_HID_SET_REPORT, HID_REPORT_OPTION, 0, [0, 0, 0xFF] + [0] * 5)
64 except usb.core.USBError:
65 # for some reason I keep getting USBError, but it works!
70 print('Usage: %s <firmware.hex>' % sys.argv[0])
73 kb = checkForKeyboardInNormalMode()
76 print('Found a keyboad in normal mode. Attempting to send it to bootloader mode ...', end='')
77 sendDeviceToBootloaderMode(kb)
79 print("Hint: If your keyboard can't be set to bootloader mode automatically, plug it in while pressing left control to do so manually.")
81 attempts = 12 # 60 seconds
83 for attempt in range(1, attempts + 1):
84 print("Searching for keyboard in bootloader mode (%i/%i) ... " % (attempt, attempts), end='')
86 if checkForKeyboardInBootloaderMode():
87 print('Found', end='\n\n')
88 flashKeyboard(sys.argv[1])
92 print('Nothing.', end='')
94 if attempt != attempts: # no need to wait on the last attempt
95 print(' Sleeping 5 seconds.', end='')
102 print("Couldn't find a flashable keyboard. Aborting.")