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45 lines
1.2 KiB
45 lines
1.2 KiB
#!/usr/bin/env python3
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import argparse
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import pandas as pd
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import cereal.messaging as messaging
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def can_table(dat):
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rows = []
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for b in dat:
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r = list(bin(b).lstrip('0b').zfill(8))
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r += [hex(b)]
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rows.append(r)
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df = pd.DataFrame(data=rows)
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df.columns = [str(n) for n in range(7, -1, -1)] + [' ']
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table = df.to_markdown(tablefmt='grid')
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return table
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if __name__ == "__main__":
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parser = argparse.ArgumentParser(description="Cabana-like table of bits for your terminal",
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formatter_class=argparse.ArgumentDefaultsHelpFormatter)
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parser.add_argument("addr", type=str, nargs=1)
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parser.add_argument("bus", type=int, default=0, nargs='?')
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args = parser.parse_args()
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addr = int(args.addr[0], 0)
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can = messaging.sub_sock('can', conflate=False, timeout=None)
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print(f"waiting for {hex(addr)} ({addr}) on bus {args.bus}...")
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latest = None
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while True:
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for msg in messaging.drain_sock(can, wait_for_one=True):
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for m in msg.can:
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if m.address == addr and m.src == args.bus:
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latest = m
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if latest is None:
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continue
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table = can_table(latest.dat)
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print(f"\n\n{hex(addr)} ({addr}) on bus {args.bus}\n{table}")
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