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