46 lines
1.6 KiB
Python
Executable File
46 lines
1.6 KiB
Python
Executable File
#!/usr/bin/env python3
|
|
import argparse
|
|
import binascii
|
|
import time
|
|
from collections import defaultdict
|
|
|
|
import cereal.messaging as messaging
|
|
|
|
|
|
def can_printer(bus, max_msg, addr, ascii_decode):
|
|
logcan = messaging.sub_sock('can', addr=addr)
|
|
|
|
start = time.monotonic()
|
|
lp = time.monotonic()
|
|
msgs = defaultdict(list)
|
|
while 1:
|
|
can_recv = messaging.drain_sock(logcan, wait_for_one=True)
|
|
for x in can_recv:
|
|
for y in x.can:
|
|
if y.src == bus:
|
|
msgs[y.address].append(y.dat)
|
|
|
|
if time.monotonic() - lp > 0.1:
|
|
dd = chr(27) + "[2J"
|
|
dd += f"{time.monotonic() - start:5.2f}\n"
|
|
for _addr in sorted(msgs.keys()):
|
|
a = f"\"{msgs[_addr][-1].decode('ascii', 'backslashreplace')}\"" if ascii_decode else ""
|
|
x = binascii.hexlify(msgs[_addr][-1]).decode('ascii')
|
|
freq = len(msgs[_addr]) / (time.monotonic() - start)
|
|
if max_msg is None or _addr < max_msg:
|
|
dd += f"{_addr:04X}({_addr:4d})({len(msgs[_addr]):6d})({freq:3}dHz) {x.ljust(20)} {a}\n"
|
|
print(dd)
|
|
lp = time.monotonic()
|
|
|
|
if __name__ == "__main__":
|
|
parser = argparse.ArgumentParser(description="simple CAN data viewer",
|
|
formatter_class=argparse.ArgumentDefaultsHelpFormatter)
|
|
|
|
parser.add_argument("--bus", type=int, help="CAN bus to print out", default=0)
|
|
parser.add_argument("--max_msg", type=int, help="max addr")
|
|
parser.add_argument("--ascii", action='store_true', help="decode as ascii")
|
|
parser.add_argument("--addr", default="127.0.0.1")
|
|
|
|
args = parser.parse_args()
|
|
can_printer(args.bus, args.max_msg, args.addr, args.ascii)
|