speed basics working

tests/speed.py

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+import socket
+from struct import pack, unpack
+from time import time, sleep
+
+def sock():
+  addr = ("localhost", 13370)
+  s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+  s.connect(addr)
+  return s
+  
+def heartbeat(s):
+  s.sendall(pack(">BI", 0x40, 2))
+  beat1 = s.recv(1024)
+  start = time()
+  beat2 = s.recv(1024)
+  dur = time() - start
+  print(f"heartbeat {dur:.2f}")
+
+def camera(s):
+  s.sendall(pack(">BHHH", 0x80,1,0,80))
+  s.sendall(b"\x20\x05snack" +pack(">I", 100000))
+
+def camera2(s):
+  s.sendall(pack(">BHHH", 0x80,1,85,80))
+  s.sendall(b"\x20\x05snack" +pack(">I", 103600))
+  
+def dispatch(s):
+  s.sendall(pack(">BBHH", 0x81,2,2,1))
+  return s
+
+def readTicket(d):
+  l = unpack("BB", d.recv(2))[1]
+  plt = d.recv(l)
+  dt = unpack(">HHIHIH", d.recv(16))
+  print(f"Ticket {plt} speed {dt[5]}")
+
+
+heartbeat(sock())
+camera(sock())
+camera2(sock())
+sleep(1)
+dsp = dispatch(sock())
+readTicket(dsp)