added basic telnet interface

interface/sat_infc.py

@@ -0,0 +1,62 @@
+import asyncio, telnetlib3
+
+@asyncio.coroutine
+def shell(reader, writer):
+    writer.write('\r\nWelcome to the BoSLOO Primitive Interface!\r\nBPI for debugging and has no checking or feedback, use with caution!\r\n-=>')
+    go = True
+    com = ""
+    while go:
+        inp = yield from reader.read(1)
+        for c in inp:
+            com += c
+            if c == '\x7f':
+                writer.write("\r" + " "*(len(com)+1))
+                com = com[:-2]
+                writer.write("\r-=>" + com + " ")
+                writer.write("\r-=>" + com)
+                yield from writer.drain()
+            else:
+                writer.echo(inp)
+            if c == '\r':
+                print(com)
+                writer.write('\r\n')
+                com = com.strip()
+                if com == "bye":
+                    writer.close()
+                    go = False
+                elif com[:4] == "help":
+                    writer.write('ops: GET/SET/EXE\r\n')
+                    writer.write('Op:MTE(s):Subsystem:Field:Parameter\r\n')
+                    writer.write('Parameter only for SET\r\n')
+                    writer.write('MTE to get current time\r\n')
+                    yield from writer.drain()
+                elif com[:4].upper() == "GET:" or com[:4].upper() == "SET:" or com[:4].upper() == "EXE:":
+                    parts = com.split(":")
+                    if (parts[0].upper() == "GET" or parts[0].upper() == "EXE") and len(parts) == 4:
+                        print("wrote command = ", parts[1]+":"+parts[0].upper()+":"+parts[2]+":"+parts[3])
+                        with open('../satsim/command_q', "a") as q:
+                            q.write(parts[1]+":"+parts[0].upper()+":"+parts[2]+":"+parts[3]+"\n")
+                    elif parts[0].upper() == "SET" and len(parts) == 5:
+                        print("wrote command = ", parts[1]+":"+parts[0].upper()+":"+parts[2]+":"+parts[3]+":"+parts[4])
+                        with open('../satsim/command_q', "a") as q:
+                            q.write(parts[1]+":"+parts[0].upper()+":"+parts[2]+":"+parts[3]+":"+parts[4]+"\n")
+                    else:
+                        writer.write("BAD OP COMMAND\r\n")
+                        yield from writer.drain()
+                elif com[:3].upper() == "MTE" and len(com) == 3:
+                    with open("../satsim/command_q", "r") as statfile:
+                        mte = statfile.read()
+                    writer.write(mte + "\r\n")
+                    yield from writer.drain()
+                else:
+                        writer.write("BAD COMMAND\r\n")
+                        yield from writer.drain()
+                if go:
+                    writer.write('-=>')
+                    yield from writer.drain()
+                    com = ""
+
+loop = asyncio.get_event_loop()
+coro = telnetlib3.create_server(port=7000, shell=shell)
+server = loop.run_until_complete(coro)
+loop.run_until_complete(server.wait_closed())