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flash_usb: Wait for busnum file to exist when flashing with picoboot

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This solves an issue where the USB directory could exist, but the busnum
file itself may not exist immediately. This was encountered when
flashing a Pico connected to a Raspberry Pi 5.

Signed-off-by: Jack Wakefield <jackwakefield@protonmail.com>
This commit is contained in:
Jack Wakefield
2024-09-15 18:45:04 +01:00
committed by KevinOConnor
parent d9236f1c20
commit b4aca122a1
1 changed files with 1 additions and 1 deletions
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2
scripts/flash_usb.py
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@@ -198,7 +198,7 @@ def flash_picoboot(device, binfile, sudo):
# We need one level up to get access to busnum/devnum files
usbdir = os.path.dirname(devpath)
enter_bootloader(device)
wait_path(usbdir)
wait_path(usbdir + "/busnum")
with open(usbdir + "/busnum") as f:
bus = f.read().strip()
with open(usbdir + "/devnum") as f: