mirror of
https://github.com/qmk/qmk_firmware.git
synced 2024-12-21 17:13:22 +00:00
121 lines
4.0 KiB
Python
121 lines
4.0 KiB
Python
"""
|
|
LUFA Library
|
|
Copyright (C) Dean Camera, 2017.
|
|
|
|
dean [at] fourwalledcubicle [dot] com
|
|
www.lufa-lib.org
|
|
"""
|
|
|
|
"""
|
|
Front-end programmer for the LUFA HID class bootloader.
|
|
|
|
Usage:
|
|
python hid_bootloader_loader.py <Device> <Input>.hex
|
|
|
|
Example:
|
|
python hid_bootloader_loader.py at90usb1287 Mouse.hex
|
|
|
|
Requires the pywinusb (https://pypi.python.org/pypi/pywinusb/) and
|
|
IntelHex (https://pypi.python.org/pypi/IntelHex/) libraries.
|
|
"""
|
|
|
|
import sys
|
|
from pywinusb import hid
|
|
from intelhex import IntelHex
|
|
|
|
|
|
# Device information table
|
|
device_info_map = dict()
|
|
device_info_map['at90usb1287'] = {'page_size': 256, 'flash_kb': 128}
|
|
device_info_map['at90usb1286'] = {'page_size': 256, 'flash_kb': 128}
|
|
device_info_map['at90usb647'] = {'page_size': 256, 'flash_kb': 64}
|
|
device_info_map['at90usb646'] = {'page_size': 256, 'flash_kb': 64}
|
|
device_info_map['atmega32u4'] = {'page_size': 128, 'flash_kb': 32}
|
|
device_info_map['atmega32u2'] = {'page_size': 128, 'flash_kb': 32}
|
|
device_info_map['atmega16u4'] = {'page_size': 128, 'flash_kb': 16}
|
|
device_info_map['atmega16u2'] = {'page_size': 128, 'flash_kb': 16}
|
|
device_info_map['at90usb162'] = {'page_size': 128, 'flash_kb': 16}
|
|
device_info_map['atmega8u2'] = {'page_size': 128, 'flash_kb': 8}
|
|
device_info_map['at90usb82'] = {'page_size': 128, 'flash_kb': 8}
|
|
|
|
|
|
def get_hid_device_handle():
|
|
hid_device_filter = hid.HidDeviceFilter(vendor_id=0x03EB,
|
|
product_id=0x2067)
|
|
|
|
valid_hid_devices = hid_device_filter.get_devices()
|
|
|
|
if len(valid_hid_devices) is 0:
|
|
return None
|
|
else:
|
|
return valid_hid_devices[0]
|
|
|
|
|
|
def send_page_data(hid_device, address, data):
|
|
# Bootloader page data should be the HID Report ID (always zero) followed
|
|
# by the starting address to program, then one device's flash page worth
|
|
# of data
|
|
output_report_data = [0]
|
|
output_report_data.extend([address & 0xFF, address >> 8])
|
|
output_report_data.extend(data)
|
|
|
|
hid_device.send_output_report(output_report_data)
|
|
|
|
|
|
def program_device(hex_data, device_info):
|
|
hid_device = get_hid_device_handle()
|
|
|
|
if hid_device is None:
|
|
print("No valid HID device found.")
|
|
sys.exit(1)
|
|
|
|
try:
|
|
hid_device.open()
|
|
print("Connected to bootloader.")
|
|
|
|
# Program in all data from the loaded HEX file, in a number of device
|
|
# page sized chunks
|
|
for addr in range(0, hex_data.maxaddr(), device_info['page_size']):
|
|
# Compute the address range of the current page in the device
|
|
current_page_range = range(addr, addr+device_info['page_size'])
|
|
|
|
# Extract the data from the hex file at the specified start page
|
|
# address and convert it to a regular list of bytes
|
|
page_data = [hex_data[i] for i in current_page_range]
|
|
|
|
print("Writing address 0x%04X-0x%04X" % (current_page_range[0], current_page_range[-1]))
|
|
|
|
# Devices with more than 64KB of flash should shift down the page
|
|
# address so that it is 16-bit (page size is guaranteed to be
|
|
# >= 256 bytes so no non-zero address bits are discarded)
|
|
if device_info['flash_kb'] < 64:
|
|
send_page_data(hid_device, addr, page_data)
|
|
else:
|
|
send_page_data(hid_device, addr >> 8, page_data)
|
|
|
|
# Once programming is complete, start the application via a dummy page
|
|
# program to the page address 0xFFFF
|
|
print("Programming complete, starting application.")
|
|
send_page_data(hid_device, 0xFFFF, [0] * device_info['page_size'])
|
|
|
|
finally:
|
|
hid_device.close()
|
|
|
|
|
|
if __name__ == '__main__':
|
|
# Load the specified HEX file
|
|
try:
|
|
hex_data = IntelHex(sys.argv[2])
|
|
except:
|
|
print("Could not open the specified HEX file.")
|
|
sys.exit(1)
|
|
|
|
# Retrieve the device information entry for the specified device
|
|
try:
|
|
device_info = device_info_map[sys.argv[1]]
|
|
except:
|
|
print("Unknown device name specified.")
|
|
sys.exit(1)
|
|
|
|
program_device(hex_data, device_info)
|