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-rw-r--r--digital/avr/modules/usb/test/todfu.py8
1 files changed, 8 insertions, 0 deletions
diff --git a/digital/avr/modules/usb/test/todfu.py b/digital/avr/modules/usb/test/todfu.py
new file mode 100644
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+++ b/digital/avr/modules/usb/test/todfu.py
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+# Switch back to DFU mode.
+import usb
+
+for bus in usb.busses ():
+ for dev in bus.devices:
+ if dev.idVendor == 0x03eb and dev.idProduct == 0x204e:
+ d = dev.open ()
+ d.controlMsg (usb.TYPE_VENDOR | usb.RECIP_DEVICE, 0, 0)