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43 lines
1.4 KiB
43 lines
1.4 KiB
#!/usr/bin/env python3
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import argparse
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import binascii
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from collections import defaultdict
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import cereal.messaging as messaging
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from common.realtime import sec_since_boot
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def can_printer(bus, max_msg, addr):
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logcan = messaging.sub_sock('can', addr=addr)
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start = sec_since_boot()
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lp = sec_since_boot()
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msgs = defaultdict(list)
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while 1:
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can_recv = messaging.drain_sock(logcan, wait_for_one=True)
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for x in can_recv:
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for y in x.can:
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if y.src == bus:
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msgs[y.address].append(y.dat)
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if sec_since_boot() - lp > 0.1:
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dd = chr(27) + "[2J"
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dd += "%5.2f\n" % (sec_since_boot() - start)
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for addr in sorted(msgs.keys()):
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a = msgs[addr][-1].decode('ascii', 'backslashreplace')
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x = binascii.hexlify(msgs[addr][-1]).decode('ascii')
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if max_msg is None or addr < max_msg:
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dd += "%04X(%4d)(%6d) %s \"%s\"\n" % (addr, addr, len(msgs[addr]), x.ljust(20), a)
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print(dd)
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lp = sec_since_boot()
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if __name__ == "__main__":
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parser = argparse.ArgumentParser(description="simple CAN data viewer",
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formatter_class=argparse.ArgumentDefaultsHelpFormatter)
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parser.add_argument("--bus", type=int, help="CAN bus to print out", default=0)
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parser.add_argument("--max_msg", type=int, help="max addr ")
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parser.add_argument("--addr", default="127.0.0.1")
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args = parser.parse_args()
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can_printer(args.bus, args.max_msg, args.addr)
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