463 lines
12 KiB
Python
463 lines
12 KiB
Python
import serial
|
|
from serial.tools import list_ports
|
|
import requests
|
|
import json
|
|
import time
|
|
import struct
|
|
from time import sleep
|
|
from BaseHTTPServer import BaseHTTPRequestHandler, HTTPServer
|
|
from SocketServer import ThreadingMixIn
|
|
from urlparse import urlparse, parse_qs
|
|
import threading
|
|
import webview
|
|
import random
|
|
import os
|
|
import sys
|
|
|
|
portlist = []
|
|
kiss_interface = None
|
|
|
|
class RNS():
|
|
@staticmethod
|
|
def log(msg):
|
|
logtimefmt = "%Y-%m-%d %H:%M:%S"
|
|
timestamp = time.time()
|
|
logstring = "["+time.strftime(logtimefmt)+"] "+msg
|
|
print(logstring)
|
|
|
|
@staticmethod
|
|
def hexrep(data, delimit=True):
|
|
delimiter = ":"
|
|
if not delimit:
|
|
delimiter = ""
|
|
hexrep = delimiter.join("{:02x}".format(ord(c)) for c in data)
|
|
return hexrep
|
|
|
|
@staticmethod
|
|
def prettyhexrep(data):
|
|
delimiter = ""
|
|
hexrep = "<"+delimiter.join("{:02x}".format(ord(c)) for c in data)+">"
|
|
return hexrep
|
|
|
|
class Interface:
|
|
IN = False
|
|
OUT = False
|
|
FWD = False
|
|
RPT = False
|
|
name = None
|
|
|
|
def __init__(self):
|
|
pass
|
|
|
|
class KISS():
|
|
FEND = chr(0xC0)
|
|
FESC = chr(0xDB)
|
|
TFEND = chr(0xDC)
|
|
TFESC = chr(0xDD)
|
|
CMD_UNKNOWN = chr(0xFE)
|
|
CMD_DATA = chr(0x00)
|
|
CMD_TXDELAY = chr(0x01)
|
|
CMD_P = chr(0x02)
|
|
CMD_SLOTTIME = chr(0x03)
|
|
CMD_TXTAIL = chr(0x04)
|
|
CMD_FULLDUPLEX = chr(0x05)
|
|
CMD_SETHARDWARE = chr(0x06)
|
|
CMD_READY = chr(0x0F)
|
|
CMD_AUDIO_PEAK = chr(0x12)
|
|
CMD_OUTPUT_GAIN = chr(0x09)
|
|
CMD_INPUT_GAIN = chr(0x0A)
|
|
CMD_EN_DIAGS = chr(0x13)
|
|
CMD_RETURN = chr(0xFF)
|
|
|
|
@staticmethod
|
|
def escape(data):
|
|
data = data.replace(chr(0xdb), chr(0xdb)+chr(0xdd))
|
|
data = data.replace(chr(0xc0), chr(0xdb)+chr(0xdc))
|
|
return data
|
|
|
|
class KISSInterface(Interface):
|
|
MAX_CHUNK = 32768
|
|
|
|
owner = None
|
|
port = None
|
|
speed = None
|
|
databits = None
|
|
parity = None
|
|
stopbits = None
|
|
serial = None
|
|
|
|
def __init__(self, owner, name, port, speed, databits, parity, stopbits, preamble, txtail, persistence, slottime, flow_control):
|
|
self.serial = None
|
|
self.owner = owner
|
|
self.name = name
|
|
self.port = port
|
|
self.speed = speed
|
|
self.databits = databits
|
|
self.parity = serial.PARITY_NONE
|
|
self.stopbits = stopbits
|
|
self.timeout = 100
|
|
self.online = False
|
|
self.audiopeak = 0
|
|
self.has_decode = False
|
|
|
|
self.packet_queue = []
|
|
self.flow_control = flow_control
|
|
self.interface_ready = False
|
|
|
|
self.preamble = preamble if preamble != None else 350;
|
|
self.txtail = txtail if txtail != None else 20;
|
|
self.persistence = persistence if persistence != None else 64;
|
|
self.slottime = slottime if slottime != None else 20;
|
|
|
|
if parity.lower() == "e" or parity.lower() == "even":
|
|
self.parity = serial.PARITY_EVEN
|
|
|
|
if parity.lower() == "o" or parity.lower() == "odd":
|
|
self.parity = serial.PARITY_ODD
|
|
|
|
try:
|
|
RNS.log("Opening serial port "+self.port+"...")
|
|
self.serial = serial.Serial(
|
|
port = self.port,
|
|
baudrate = self.speed,
|
|
bytesize = self.databits,
|
|
parity = self.parity,
|
|
stopbits = self.stopbits,
|
|
xonxoff = False,
|
|
rtscts = False,
|
|
timeout = 0,
|
|
inter_byte_timeout = None,
|
|
write_timeout = None,
|
|
dsrdtr = False,
|
|
)
|
|
except Exception as e:
|
|
RNS.log("Could not open serial port "+self.port)
|
|
raise e
|
|
|
|
if self.serial.is_open:
|
|
# Allow time for interface to initialise before config
|
|
sleep(1.5)
|
|
thread = threading.Thread(target=self.readLoop)
|
|
thread.setDaemon(True)
|
|
thread.start()
|
|
self.online = True
|
|
RNS.log("Serial port "+self.port+" is now open")
|
|
self.interface_ready = True
|
|
RNS.log("KISS interface configured")
|
|
else:
|
|
raise IOError("Could not open serial port")
|
|
|
|
|
|
def askForPeak(self):
|
|
kiss_command = KISS.FEND+KISS.CMD_AUDIO_PEAK+b'\x01'+KISS.FEND
|
|
written = self.serial.write(kiss_command)
|
|
if written != len(kiss_command):
|
|
raise IOError("Could not ask for peak data")
|
|
|
|
def displayPeak(self, peak):
|
|
peak_value = struct.unpack("b", peak)
|
|
self.audiopeak = peak_value[0]
|
|
|
|
def setPreamble(self, preamble):
|
|
preamble_ms = preamble
|
|
preamble = int(preamble_ms / 10)
|
|
if preamble < 0:
|
|
preamble = 0
|
|
if preamble > 255:
|
|
preamble = 255
|
|
|
|
RNS.log("Setting preamble to "+str(preamble)+" "+chr(preamble))
|
|
kiss_command = KISS.FEND+KISS.CMD_TXDELAY+chr(preamble)+KISS.FEND
|
|
written = self.serial.write(kiss_command)
|
|
if written != len(kiss_command):
|
|
raise IOError("Could not configure KISS interface preamble to "+str(preamble_ms)+" (command value "+str(preamble)+")")
|
|
|
|
def setTxTail(self, txtail):
|
|
txtail_ms = txtail
|
|
txtail = int(txtail_ms / 10)
|
|
if txtail < 0:
|
|
txtail = 0
|
|
if txtail > 255:
|
|
txtail = 255
|
|
|
|
kiss_command = KISS.FEND+KISS.CMD_TXTAIL+chr(txtail)+KISS.FEND
|
|
written = self.serial.write(kiss_command)
|
|
if written != len(kiss_command):
|
|
raise IOError("Could not configure KISS interface TX tail to "+str(txtail_ms)+" (command value "+str(txtail)+")")
|
|
|
|
def setPersistence(self, persistence):
|
|
if persistence < 0:
|
|
persistence = 0
|
|
if persistence > 255:
|
|
persistence = 255
|
|
|
|
kiss_command = KISS.FEND+KISS.CMD_P+chr(persistence)+KISS.FEND
|
|
written = self.serial.write(kiss_command)
|
|
if written != len(kiss_command):
|
|
raise IOError("Could not configure KISS interface persistence to "+str(persistence))
|
|
|
|
def setSlotTime(self, slottime):
|
|
slottime_ms = slottime
|
|
slottime = int(slottime_ms / 10)
|
|
if slottime < 0:
|
|
slottime = 0
|
|
if slottime > 255:
|
|
slottime = 255
|
|
|
|
kiss_command = KISS.FEND+KISS.CMD_SLOTTIME+chr(slottime)+KISS.FEND
|
|
written = self.serial.write(kiss_command)
|
|
if written != len(kiss_command):
|
|
raise IOError("Could not configure KISS interface slot time to "+str(slottime_ms)+" (command value "+str(slottime)+")")
|
|
|
|
def setFlowControl(self, flow_control):
|
|
kiss_command = KISS.FEND+KISS.CMD_READY+chr(0x01)+KISS.FEND
|
|
written = self.serial.write(kiss_command)
|
|
if written != len(kiss_command):
|
|
if (flow_control):
|
|
raise IOError("Could not enable KISS interface flow control")
|
|
else:
|
|
raise IOError("Could not enable KISS interface flow control")
|
|
|
|
def setInputGain(self, gain):
|
|
if gain < 0:
|
|
gain = 0
|
|
if gain > 255:
|
|
gain = 255
|
|
|
|
kiss_command = KISS.FEND+KISS.CMD_INPUT_GAIN+chr(gain)+KISS.FEND
|
|
written = self.serial.write(kiss_command)
|
|
if written != len(kiss_command):
|
|
raise IOError("Could not configure KISS interface input gain to "+str(gain))
|
|
|
|
def setOutputGain(self, gain):
|
|
if gain < 0:
|
|
gain = 0
|
|
if gain > 255:
|
|
gain = 255
|
|
|
|
kiss_command = KISS.FEND+KISS.CMD_OUTPUT_GAIN+chr(gain)+KISS.FEND
|
|
written = self.serial.write(kiss_command)
|
|
if written != len(kiss_command):
|
|
raise IOError("Could not configure KISS interface input gain to "+str(gain))
|
|
|
|
|
|
def enableDiagnostics(self):
|
|
kiss_command = KISS.FEND+KISS.CMD_EN_DIAGS+chr(0x01)+KISS.FEND
|
|
written = self.serial.write(kiss_command)
|
|
if written != len(kiss_command):
|
|
raise IOError("Could not enable KISS interface diagnostics")
|
|
|
|
def disableDiagnostics(self):
|
|
kiss_command = KISS.FEND+KISS.CMD_EN_DIAGS+chr(0x00)+KISS.FEND
|
|
written = self.serial.write(kiss_command)
|
|
if written != len(kiss_command):
|
|
raise IOError("Could not disable KISS interface diagnostics")
|
|
os._exit(0)
|
|
|
|
|
|
|
|
def processIncoming(self, data):
|
|
self.has_decode = True
|
|
RNS.log("Decoded packet");
|
|
|
|
|
|
def processOutgoing(self,data):
|
|
pass
|
|
|
|
def queue(self, data):
|
|
pass
|
|
|
|
def process_queue(self):
|
|
pass
|
|
|
|
def readLoop(self):
|
|
try:
|
|
in_frame = False
|
|
escape = False
|
|
command = KISS.CMD_UNKNOWN
|
|
data_buffer = ""
|
|
last_read_ms = int(time.time()*1000)
|
|
|
|
while self.serial.is_open:
|
|
if self.serial.in_waiting:
|
|
byte = self.serial.read(1)
|
|
last_read_ms = int(time.time()*1000)
|
|
|
|
if (in_frame and byte == KISS.FEND and command == KISS.CMD_DATA):
|
|
in_frame = False
|
|
self.processIncoming(data_buffer)
|
|
elif (byte == KISS.FEND):
|
|
in_frame = True
|
|
command = KISS.CMD_UNKNOWN
|
|
data_buffer = ""
|
|
elif (in_frame and len(data_buffer) < 611):
|
|
if (len(data_buffer) == 0 and command == KISS.CMD_UNKNOWN):
|
|
command = byte
|
|
elif (command == KISS.CMD_DATA):
|
|
if (byte == KISS.FESC):
|
|
escape = True
|
|
else:
|
|
if (escape):
|
|
if (byte == KISS.TFEND):
|
|
byte = KISS.FEND
|
|
if (byte == KISS.TFESC):
|
|
byte = KISS.FESC
|
|
escape = False
|
|
data_buffer = data_buffer+byte
|
|
elif (command == KISS.CMD_AUDIO_PEAK):
|
|
self.displayPeak(byte)
|
|
else:
|
|
time_since_last = int(time.time()*1000) - last_read_ms
|
|
if len(data_buffer) > 0 and time_since_last > self.timeout:
|
|
data_buffer = ""
|
|
in_frame = False
|
|
command = KISS.CMD_UNKNOWN
|
|
escape = False
|
|
sleep(0.2)
|
|
self.askForPeak()
|
|
|
|
except Exception as e:
|
|
self.online = False
|
|
RNS.log("A serial port error occurred, the contained exception was: "+str(e))
|
|
RNS.log("The interface "+str(self.name)+" is now offline. Restart Reticulum to attempt reconnection.")
|
|
raise e
|
|
|
|
def __str__(self):
|
|
return "KISSInterface["+self.name+"]"
|
|
|
|
class ThreadedHTTPServer(ThreadingMixIn, HTTPServer):
|
|
"""Handle requests threaded via mixin"""
|
|
|
|
class appRequestHandler(BaseHTTPRequestHandler):
|
|
def log_message(self, format, *args):
|
|
return
|
|
|
|
def json_headers(request):
|
|
request.send_response(200)
|
|
request.send_header("Content-Type", "text/json")
|
|
request.end_headers()
|
|
|
|
def do_GET(request):
|
|
if (request.path == "/"):
|
|
request.send_response(302)
|
|
request.send_header("Location", "/app/")
|
|
request.end_headers()
|
|
|
|
if (request.path == "/favicon.ico"):
|
|
#request.path = "/app/favicon.ico"
|
|
request.send_response(404)
|
|
|
|
if (request.path == "/getports"):
|
|
request.json_headers()
|
|
request.wfile.write(json.dumps(list_serial_ports()).encode("utf-8"))
|
|
|
|
if (request.path == "/getconfig"):
|
|
request.json_headers()
|
|
request.wfile.write(json.dumps({"response":"ok"}).encode("utf-8"))
|
|
|
|
if (request.path == "/getpeak"):
|
|
global kiss_interface
|
|
request.json_headers()
|
|
request.wfile.write(json.dumps({"response":"ok", "peak":kiss_interface.audiopeak, "decode": kiss_interface.has_decode}).encode("utf-8"))
|
|
kiss_interface.has_decode = False
|
|
|
|
if (request.path.startswith("/disconnect")):
|
|
close_device()
|
|
|
|
if (request.path.startswith("/connect")):
|
|
request.json_headers()
|
|
query = parse_qs(urlparse(request.path).query)
|
|
q_port = query["port"][0]
|
|
q_baud = int(query["baud"][0])
|
|
|
|
if (open_device(q_port, q_baud)):
|
|
request.wfile.write(json.dumps({"response":"ok"}).encode("utf-8"))
|
|
else:
|
|
request.wfile.write(json.dumps({"response":"failed"}).encode("utf-8"))
|
|
|
|
if (request.path.startswith("/app/")):
|
|
path = request.path.replace("/app/", "")
|
|
file = None
|
|
|
|
if (path == ""):
|
|
file = "index.html"
|
|
else:
|
|
file = path
|
|
|
|
base, extension = os.path.splitext(file)
|
|
request.send_response(200)
|
|
|
|
if (extension == ".css"):
|
|
request.send_header("Content-Type", "text/css")
|
|
if (extension == ".js"):
|
|
request.send_header("Content-Type", "text/javascript")
|
|
if (extension == ".html"):
|
|
request.send_header("Content-Type", "text/html")
|
|
|
|
request.end_headers()
|
|
|
|
requestpath = "./public/"+file
|
|
|
|
fh = open(requestpath, "rb")
|
|
request.wfile.write(fh.read())
|
|
fh.close()
|
|
|
|
def list_serial_ports():
|
|
ports = list_ports.comports()
|
|
portlist = []
|
|
for port in ports:
|
|
portlist.insert(0, port.device)
|
|
|
|
return portlist
|
|
|
|
def open_device(port, baud):
|
|
global kiss_interface
|
|
try:
|
|
kiss_interface = KISSInterface(None, "OpenModem", port, baud, 8, "N", 1, None, None, None, None, False)
|
|
kiss_interface.enableDiagnostics()
|
|
kiss_interface.setInputGain(200)
|
|
return True
|
|
except Exception as e:
|
|
#raise e
|
|
return False
|
|
|
|
def close_device():
|
|
os._exit(0)
|
|
|
|
def get_port():
|
|
return 44444
|
|
return random.randrange(40000,49999,1)
|
|
|
|
def start_server():
|
|
retries = 0
|
|
server_started = False
|
|
|
|
while not server_started and retries < 100:
|
|
try:
|
|
list_serial_ports()
|
|
port = get_port()
|
|
server_address = ("127.0.0.1", port)
|
|
httpd = ThreadedHTTPServer(server_address, appRequestHandler)
|
|
threading.Thread(target=httpd.serve_forever).start()
|
|
print("Server running on port "+str(port))
|
|
retval = webview.create_window('OpenModem Configuration', 'http://localhost:'+str(port)+'/', width=575, height=600)
|
|
if retval == None:
|
|
os._exit(0)
|
|
|
|
except Exception as e:
|
|
retries += 1
|
|
|
|
print("Could not start server, exiting")
|
|
exit()
|
|
|
|
|
|
def main():
|
|
include_path = os.path.dirname(os.path.realpath(sys.argv[0]))
|
|
os.chdir(include_path)
|
|
ports = list_serial_ports()
|
|
print(ports)
|
|
if (len(sys.argv) == 1):
|
|
start_server()
|
|
|
|
if __name__ == "__main__":
|
|
main() |