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75 lines
2.1 KiB
Python
75 lines
2.1 KiB
Python
#!/usr/bin/env python
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# Copyright 2017 Luiz Ribeiro <luizribeiro@gmail.com>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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from __future__ import print_function
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import os
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import sys
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import time
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import usb
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if len(sys.argv) < 2:
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print('Usage: %s <firmware.hex>' % sys.argv[0])
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sys.exit(1)
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print('Searching for jj40... ', end='')
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dev = usb.core.find(idVendor=0x20A0, idProduct=0x422D)
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if dev is None:
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raise ValueError('Device not found')
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print('Found', end='\n\n')
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print('Device Information:')
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print(' idVendor: %d (0x%04x)' % (dev.idVendor, dev.idVendor))
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print(' idProduct: %d (0x%04x)' % (dev.idProduct, dev.idProduct))
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print('Manufacturer: %s' % (dev.iManufacturer))
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print('Serial: %s' % (dev.iSerialNumber))
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print('Product: %s' % (dev.iProduct), end='\n\n')
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print('Transferring control to bootloader... ', end='')
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dev.set_configuration()
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request_type = usb.util.build_request_type(
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usb.util.CTRL_OUT,
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usb.util.CTRL_TYPE_CLASS,
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usb.util.CTRL_RECIPIENT_DEVICE)
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USBRQ_HID_SET_REPORT = 0x09
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HID_REPORT_OPTION = 0x0301
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try:
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dev.ctrl_transfer(
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request_type,
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USBRQ_HID_SET_REPORT,
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HID_REPORT_OPTION,
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0,
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[0, 0, 0xFF] + [0] * 5
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)
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except usb.core.USBError:
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# for some reason I keep getting USBError, but it works!
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pass
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# wait a bit until bootloader starts up
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time.sleep(2)
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print('OK')
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print('Programming...')
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if os.system('bootloadHID -r "%s"' % sys.argv[1]) == 0:
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print('\nDone!')
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