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scripts: trace_usb_capture: Clean up on exit

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When the user presses Ctrl+c to exit the infinite capturing loop, ensure
that the cleanup funciton is always executed.

Signed-off-by: Carles Cufi <carles.cufi@nordicsemi.no>
This commit is contained in:
Carles Cufi 2025-06-13 15:23:34 +02:00 • committed by Henrik Brix Andersen
commit 5a13cdcf52
1 changed files with 13 additions and 13 deletions
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26
scripts/tracing/trace_capture_usb.py
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@ -86,18 +86,18 @@ def main():
buff = usb.util.create_buffer(8192) buff = usb.util.create_buffer(8192)
read_endpoint.read(buff, 10000) read_endpoint.read(buff, 10000)
with open(output_file, "wb") as file_desc: try:
while True: with open(output_file, "wb") as file_desc:
buff = usb.util.create_buffer(8192) while True:
length = read_endpoint.read(buff, 100000) buff = usb.util.create_buffer(8192)
for index in range(length): length = read_endpoint.read(buff, 100000)
file_desc.write(chr(buff[index]).encode('latin1')) for index in range(length):
file_desc.write(chr(buff[index]).encode('latin1'))
usb.util.release_interface(usb_device, interface) except KeyboardInterrupt:
pass
finally:
print('Data capture interrupted, data saved into {}'.format(args.output))
usb.util.release_interface(usb_device, interface)
if __name__=="__main__": if __name__=="__main__":
try: main()
main()
except KeyboardInterrupt:
print('Data capture interrupted, data saved into {}'.format(args.output))
sys.exit(0)