Create k1-off.py

k1-off.py

@@ -0,0 +1,60 @@
+#!/usr/bin/python3
+from __future__ import print_function
+from struct import *
+
+import socket
+import subprocess
+
+print( "Content-Type: text/html")
+print( "")
+
+#UDP_IP = "ff02::1%eth0"                 # LINK LOCAL MULTI CAST ADDRESS
+#R_UDP_IP = "::"
+
+shell_command = 'ip n | grep 00:1e:5e:02:6b:68 | cut -f 1 -d " "'
+output = subprocess.check_output(shell_command, shell=True, text=True)
+UDP_IP = output.strip()
+R_UDP_IP = '0.0.0.0'
+
+UDP_PORT = 3610
+
+#sockr = socket.socket(socket.AF_INET6, type=socket.SOCK_DGRAM)
+sockr = socket.socket(socket.AF_INET, type=socket.SOCK_DGRAM)
+sockr.bind((R_UDP_IP, UDP_PORT))
+
+#print "UDP target IP:", UDP_IP
+#print "UDP target port:", UDP_PORT
+
+echonetLiteFrame = ""
+echonetLiteFrame += "1081"      # EHD (EL p.3-2)
+echonetLiteFrame += "0000"      # TID (EL p.3-3)
+# EDATA
+echonetLiteFrame += "05FF01"  # SEOJ (EL p.3-3 AppH p.3-408)
+echonetLiteFrame += "05FD01"  # DEOJ (EL p.3-3 AppH p.3-274)
+echonetLiteFrame += "61"          # ESV(62:) (:EL p.3-5)
+echonetLiteFrame += "01"          # OPC(1)(EL p.3-7)
+echonetLiteFrame += "80"          # EPC(:EL p.3-7 AppH p.3-275)
+echonetLiteFrame += "01"          # PDC(EL p.3-9)
+echonetLiteFrame += "31"          # EDT(EL p.3-9)
+
+MESSAGE = echonetLiteFrame
+
+#sock = socket.socket(socket.AF_INET6,socket.SOCK_DGRAM)
+sock = socket.socket(socket.AF_INET,socket.SOCK_DGRAM)
+#sock.sendto(MESSAGE, (UDP_IP, UDP_PORT))
+sock.sendto(bytes.fromhex(MESSAGE), (UDP_IP, UDP_PORT))
+#print( "send message:",UDP_IP," ", MESSAGE.encode('hex'))
+
+sock.close()
+
+sockr.settimeout(10)
+
+data, addr = sockr.recvfrom(1024) # buffer size is 1024 bytes
+seoj = data[4:4+3]
+#print( seoj.encode('hex') )
+#print( "received message:", addr[0], data.encode('hex'))
+print( seoj.hex() )
+print( "received message:", addr[0], data.hex())
+print(  "")
+
+sockr.close()