forked from mirror/joycontrol
Robert Martin
65 lines
1.7 KiB
Python
65 lines
1.7 KiB
Python
import argparse
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import struct
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from joycontrol.report import InputReport, OutputReport, SubCommand
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""" joycontrol capture parsing example.
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Usage:
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parse_capture.py <capture_file>
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parse_capture.py -h | --help
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"""
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def _eof_read(file, size):
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"""
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Raises EOFError if end of file is reached.
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"""
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data = file.read(size)
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if not data:
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raise EOFError()
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return data
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if __name__ == '__main__':
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parser = argparse.ArgumentParser()
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parser.add_argument('capture_file')
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args = parser.parse_args()
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# list of time, report tuples
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input_reports = []
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output_reports = []
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with open(args.capture_file, 'rb') as capture:
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try:
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start_time = None
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while True:
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# parse capture time
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time = struct.unpack('d', _eof_read(capture, 8))[0]
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if start_time is None:
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start_time = time
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# parse data size
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size = struct.unpack('i', _eof_read(capture, 4))[0]
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# parse data
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data = list(_eof_read(capture, size))
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if data[0] == 0xA1:
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report = InputReport(data)
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# normalise time
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input_reports.append((time - start_time, report))
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elif data[0] == 0xA2:
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report = OutputReport(data)
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# normalise time
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output_reports.append((time - start_time, report))
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else:
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raise ValueError(f'Unexpected data.')
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except EOFError:
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pass
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print('Finished parsing reports.')
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print('Input reports:', len(input_reports))
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print('Output reports:', len(output_reports))
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# Do some investigation...
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