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203 lines
7.3 KiB
203 lines
7.3 KiB
import shutil
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import time
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import os
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import signal
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import usb.core
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from qmk.constants import BOOTLOADER_VIDS_PIDS
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from milc import cli
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# yapf: disable
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_PID_TO_MCU = {
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'2fef': 'atmega16u2',
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'2ff0': 'atmega32u2',
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'2ff3': 'atmega16u4',
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'2ff4': 'atmega32u4',
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'2ff9': 'at90usb64',
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'2ffa': 'at90usb162',
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'2ffb': 'at90usb128'
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}
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AVRDUDE_MCU = {
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'atmega32a': 'm32',
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'atmega328p': 'm328p',
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'atmega328': 'm328',
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}
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# yapf: enable
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class DelayedKeyboardInterrupt:
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# Custom interrupt handler to delay the processing of Ctrl-C
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# https://stackoverflow.com/a/21919644
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def __enter__(self):
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self.signal_received = False
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self.old_handler = signal.signal(signal.SIGINT, self.handler)
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def handler(self, sig, frame):
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self.signal_received = (sig, frame)
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def __exit__(self, type, value, traceback):
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signal.signal(signal.SIGINT, self.old_handler)
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if self.signal_received:
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self.old_handler(*self.signal_received)
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# TODO: Make this more generic, so cli/doctor/check.py and flashers.py can share the code
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def _check_dfu_programmer_version():
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# Return True if version is higher than 0.7.0: supports '--force'
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check = cli.run(['dfu-programmer', '--version'], combined_output=True, timeout=5)
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first_line = check.stdout.split('\n')[0]
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version_number = first_line.split()[1]
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maj, min_, bug = version_number.split('.')
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if int(maj) >= 0 and int(min_) >= 7:
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return True
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else:
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return False
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def _find_bootloader():
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# To avoid running forever in the background, only look for bootloaders for 10min
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start_time = time.time()
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while time.time() - start_time < 600:
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for bl in BOOTLOADER_VIDS_PIDS:
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for vid, pid in BOOTLOADER_VIDS_PIDS[bl]:
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vid_hex = int(f'0x{vid}', 0)
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pid_hex = int(f'0x{pid}', 0)
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with DelayedKeyboardInterrupt():
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# PyUSB does not like to be interrupted by Ctrl-C
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# therefore we catch the interrupt with a custom handler
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# and only process it once pyusb finished
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dev = usb.core.find(idVendor=vid_hex, idProduct=pid_hex)
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if dev:
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if bl == 'atmel-dfu':
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details = _PID_TO_MCU[pid]
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elif bl == 'caterina':
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details = (vid_hex, pid_hex)
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elif bl == 'hid-bootloader':
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if vid == '16c0' and pid == '0478':
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details = 'halfkay'
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else:
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details = 'qmk-hid'
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elif bl == 'stm32-dfu' or bl == 'apm32-dfu' or bl == 'gd32v-dfu' or bl == 'kiibohd':
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details = (vid, pid)
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else:
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details = None
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return (bl, details)
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time.sleep(0.1)
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return (None, None)
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def _find_serial_port(vid, pid):
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if 'windows' in cli.platform.lower():
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from serial.tools.list_ports_windows import comports
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platform = 'windows'
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else:
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from serial.tools.list_ports_posix import comports
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platform = 'posix'
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start_time = time.time()
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# Caterina times out after 8 seconds
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while time.time() - start_time < 8:
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for port in comports():
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port, desc, hwid = port
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if f'{vid:04x}:{pid:04x}' in hwid.casefold():
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if platform == 'windows':
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time.sleep(1)
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return port
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else:
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start_time = time.time()
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# Wait until the port becomes writable before returning
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while time.time() - start_time < 8:
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if os.access(port, os.W_OK):
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return port
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else:
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time.sleep(0.5)
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return None
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return None
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def _flash_caterina(details, file):
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port = _find_serial_port(details[0], details[1])
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if port:
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cli.run(['avrdude', '-p', 'atmega32u4', '-c', 'avr109', '-U', f'flash:w:{file}:i', '-P', port], capture_output=False)
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return False
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else:
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return True
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def _flash_atmel_dfu(mcu, file):
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force = '--force' if _check_dfu_programmer_version() else ''
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cli.run(['dfu-programmer', mcu, 'erase', force], capture_output=False)
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cli.run(['dfu-programmer', mcu, 'flash', force, file], capture_output=False)
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cli.run(['dfu-programmer', mcu, 'reset'], capture_output=False)
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def _flash_hid_bootloader(mcu, details, file):
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if details == 'halfkay':
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if shutil.which('teensy-loader-cli'):
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cmd = 'teensy-loader-cli'
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elif shutil.which('teensy_loader_cli'):
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cmd = 'teensy_loader_cli'
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# Use 'hid_bootloader_cli' for QMK HID and as a fallback for HalfKay
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if not cmd:
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if shutil.which('hid_bootloader_cli'):
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cmd = 'hid_bootloader_cli'
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else:
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return True
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cli.run([cmd, f'-mmcu={mcu}', '-w', '-v', file], capture_output=False)
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def _flash_dfu_util(details, file):
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# STM32duino
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if details[0] == '1eaf' and details[1] == '0003':
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cli.run(['dfu-util', '-a', '2', '-d', f'{details[0]}:{details[1]}', '-R', '-D', file], capture_output=False)
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# kiibohd
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elif details[0] == '1c11' and details[1] == 'b007':
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cli.run(['dfu-util', '-a', '0', '-d', f'{details[0]}:{details[1]}', '-D', file], capture_output=False)
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# STM32, APM32, or GD32V DFU
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else:
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cli.run(['dfu-util', '-a', '0', '-d', f'{details[0]}:{details[1]}', '-s', '0x08000000:leave', '-D', file], capture_output=False)
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def _flash_isp(mcu, programmer, file):
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programmer = 'usbasp' if programmer == 'usbasploader' else 'usbtiny'
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# Check if the provide mcu has an avrdude-specific name, otherwise pass on what the user provided
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mcu = AVRDUDE_MCU.get(mcu, mcu)
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cli.run(['avrdude', '-p', mcu, '-c', programmer, '-U', f'flash:w:{file}:i'], capture_output=False)
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def _flash_mdloader(file):
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cli.run(['mdloader', '--first', '--download', file, '--restart'], capture_output=False)
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def flasher(mcu, file):
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bl, details = _find_bootloader()
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# Add a small sleep to avoid race conditions
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time.sleep(1)
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if bl == 'atmel-dfu':
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_flash_atmel_dfu(details, file.name)
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elif bl == 'caterina':
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if _flash_caterina(details, file.name):
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return (True, "The Caterina bootloader was found but is not writable. Check 'qmk doctor' output for advice.")
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elif bl == 'hid-bootloader':
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if mcu:
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if _flash_hid_bootloader(mcu, details, file.name):
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return (True, "Please make sure 'teensy_loader_cli' or 'hid_bootloader_cli' is available on your system.")
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else:
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return (True, "Specifying the MCU with '-m' is necessary for HalfKay/HID bootloaders!")
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elif bl == 'stm32-dfu' or bl == 'apm32-dfu' or bl == 'gd32v-dfu' or bl == 'kiibohd':
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_flash_dfu_util(details, file.name)
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elif bl == 'usbasploader' or bl == 'usbtinyisp':
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if mcu:
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_flash_isp(mcu, bl, file.name)
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else:
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return (True, "Specifying the MCU with '-m' is necessary for ISP flashing!")
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elif bl == 'md-boot':
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_flash_mdloader(file.name)
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else:
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return (True, "Known bootloader found but flashing not currently supported!")
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return (False, None)
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