61 lines
1.5 KiB
Python
61 lines
1.5 KiB
Python
import socket,struct,time
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DUT=("192.168.68.200",31772)
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UID=bytes.fromhex("7fff0ae09229")
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SRC=bytes.fromhex("0107340000aa")
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def build(dest,cc,pid,pd):
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f=bytearray(1084)
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f[0:4]=b"ENet"
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f[4]=4
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f[0x0A]=0x1c; f[0x0B]=0x7c
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f[0x12]=1
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struct.pack_into("<H",f,0x14,1084)
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f[0x18]=1
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f[0x20]=2
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f[0x2A]=0xCC
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f[0x2E]=1
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f[0x30]=0
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msg_len=24+len(pd)
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struct.pack_into("<I",f,0x34,msg_len+1)
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f[0x38]=1
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f[0x3C]=1
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f[0x3D]=msg_len
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f[0x3E:0x44]=dest
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f[0x44:0x4A]=SRC
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f[0x4A]=1
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f[0x4F]=cc
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struct.pack_into(">H",f,0x50,pid)
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f[0x52]=len(pd)
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f[0x53:0x53+len(pd)]=pd
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s=0xCC+sum(f[0x3C:0x53+len(pd)])
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struct.pack_into(">H",f,0x53+len(pd),s&0xFFFF)
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return bytes(f)
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def uid64(b): return int.from_bytes(b,"big")
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v=uid64(UID)
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branch_pd=(v-1).to_bytes(6,"big")+(v+1).to_bytes(6,"big")
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s=socket.socket(socket.AF_INET,socket.SOCK_DGRAM)
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s.settimeout(1.5)
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s.bind(("192.168.68.1",0))
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def probe(tag,frame,n=6):
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ok=0
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for i in range(n):
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s.sendto(frame,DUT)
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try:
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d,a=s.recvfrom(2048)
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rl=struct.unpack_from("<H",d,0x28)[0]
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print("%s #%d reply %dB rlen=%d d0=%02x"%(tag,i,len(d),rl,d[0x2A]))
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ok+=1
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except socket.timeout:
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print("%s #%d TIMEOUT"%(tag,i))
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time.sleep(0.3)
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print("%s: %d/%d replied"%(tag,ok,n))
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probe("UNMUTE",build(b"\xff"*6,0x10,0x0003,b""))
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probe("BRANCH",build(b"\xff"*6,0x10,0x0001,branch_pd))
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probe("GET_DI",build(UID,0x20,0x0060,b""))
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probe("BRANCH2",build(b"\xff"*6,0x10,0x0001,branch_pd))
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