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