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65 lines
1.9 KiB
Python
Executable File
65 lines
1.9 KiB
Python
Executable File
#!/usr/bin/env python
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import sys
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from enum import Enum
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from coax.protocol import Command, is_data_word, unpack_data_words
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from display import CHAR_MAP
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COMMANDS = { command.value: command.name for command in Command }
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# These got removed from the most recent pycoax...
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def is_command_word(word):
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return (word & 0x1) == 1
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def unpack_command_word(word):
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if not is_command_word(word):
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raise ProtocolError(f'Word does not have command bit set: {word}')
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command = (word >> 2) & 0x1f
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return command
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def format_command(command):
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if command in COMMANDS:
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return '<' + COMMANDS[command] + '>'
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return f'<{command:02x}>'
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def format_data(data, command):
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return ' '.join(['{0:02x}'.format(byte) for byte in data])
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def main():
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command = None
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data = None
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for line in sys.stdin:
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line = line.strip()
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if line.startswith('[') and line.endswith(']'):
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words = [int(word) for word in line[1:-1].split(',')]
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if is_command_word(words[0]) and all(is_data_word(word) for word in words[1:]):
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command = unpack_command_word(words[0])
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data = unpack_data_words(words[1:])
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if command != Command.POLL.value:
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print('-> ' + format_command(command) + ' ' + format_data(data, command))
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elif all(is_data_word(word) for word in words):
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data = unpack_data_words(words)
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if not (command == Command.POLL.value and len(words) == 1 and words[0] == 0):
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# Okay, perhaps the POLL was interesting so lets print it here.
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if command == Command.POLL.value:
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print('-> ' + format_command(command))
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print('?? ' + format_data(data, command))
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else:
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# Strange mix of commands and data...
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pass
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if __name__ == '__main__':
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main()
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