fiatlux/firmware/otaflash.py
jedi 1b8cb3680e
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websocket goes brrrrrrrrrrrrrrr
2021-09-06 23:07:33 +02:00

46 lines
1.2 KiB
Python
Executable file

#!/usr/bin/env python3
import time
import websocket
import argparse
import zlib
parser = argparse.ArgumentParser(description='Update fiatlux firmware via websocket.')
parser.add_argument("binfile")
args = parser.parse_args()
with open(args.binfile, "rb") as f:
try:
ws = websocket.WebSocket()
ws.connect("ws://172.16.0.1")
i = 0
rolling = 0
total = 0
while True:
print(i)
bytes = f.read(512)
rolling = zlib.crc32(bytes, rolling)
total += len(bytes)
msg = b'F\x00\x00\x00'
msg += i.to_bytes(2, 'big')
msg += len(bytes).to_bytes(2, 'big')
msg += (zlib.crc32(bytes) & 0xffffffff).to_bytes(4, 'big')
msg += bytes
ws.send(msg)
reply = ws.recv()
print(reply)
time.sleep(0.05)
i += 1
if len(bytes) != 512:
break
msg = b'C\x00\x00\x00'
msg += total.to_bytes(4, 'big')
msg += rolling.to_bytes(4, 'big')
ws.send(msg)
print(ws.recv())
ws.close()
except ConnectionResetError:
pass
except KeyboardInterrupt:
pass