add Athena WFI DE communication template

Ccs/scripts/wfi_de_communication.py

+"""
+Examples for Athena WFI DE communications
+"""
+
+import communication as com
+import packet_config_ATHENA_DE as de
+
+# set up socket and connect
+decon = com.Connector('', 12345, msgdecoding='hex')
+decon.connect()
+
+# example commands
+decon.send(b'\x20\xDE\xAD')  # test echo interface (0x20)
+decon.send(de.HkCmdRecv(0x1000))  # get PCM MODE register
+decon.send(de.CmdSend(0x3C00, 1))  # write sequencer register
+decon.send(de.CmdSend(0x3C00, 1), rx=False)  # write sequencer register, but don't fetch cmd response from socket
+decon.send(de.SciCmd(100))  # set science data output rate
+
+# dump cmd log (decon.log)
+logfile = '/path/to/de_cmd.log'
+decon.dump_log(logfile)
+
+# automatically log to file
+decon.setup_storage(logfile)
+
+# run rx thread on socket, received data is put in recvd_data_buf queue
+decon.start_receiver()
+decon.receiver.recvd_data_buf
+
+
+# custom TM processing function; must take bytestring as arg *data*, and timestamp kwarg *ts*
+def msg_to_hex_string(data, ts=''):
+    try:
+        return '{}: {}\n'.format(ts, data.hex(' ', 1))
+    except Exception as err:
+        print(err)
+        return '# ERROR #\n'
+
+
+# optionally, add custom TM processing
+# this logs the received data hex-formatted in outfile
+decon.start_receiver(procfunc=msg_to_hex_string, outfile='/path/to/de_rx.log', ofmode='w')
+
+# processed data is also collected in
+decon.receiver.proc_data
+