#!/usr/bin/python2
# This is a simple serial programmer for the 818 VHF/UHF modules.
#  Supported command line interfaces, non-interactive
#    by w0anm
# This code was created from examples on the web.
#
# $Id: 818cli-prog 12 2014-12-27 18:27:47Z w0anm $


import sys, getopt
import time, serial

def main(argv):
   mode = '0'       # 0 for NFM, 1 for FM
   group = '446.1687,446.1687,0000,1,0000'
   volume = '4'
   filter = '0,0,0'
   device = '/dev/ttyAMA0'

   try:
      opts, args = getopt.getopt(argv,"hd:m:g:v:f")
   except getopt.GetoptError:
      print '\n818cli-prog [-d <device>] [-m <mode> -g <group> -v <volume> -f <filter>'
      sys.exit(2)
   for opt, arg in opts:
      if opt == '-h':
         print '\n818cli-prog [-d <device>] [-m <mode>] -g <group> [-v <volume>] [-f <filter>]'
         print ' device = serial device, default /dev/ttyUSB0'
         print '          e.g., -d /dev/ttyUSB0'
         print ' mode  =  0 - 12.5 Khz Ch Space, 1 - 25 Khz Ch Space, default 0'
         print '          e.g., -m 0'
         print ' group =  <RxFreq>,<TxFreq>,<Rxct>,<Squelch>,<Txct>'
         print '                  <RxFreq> and <TxFreq> format: xxx.xxxx '
         print '                  <Rxct> and <Txct> format:'
         print '                        xxxx (tones) '
         print '                        xxx[N,I] (DTCS) '
         print '                  <Squelch> value is 0-8'
         print '          e.g., -g 446.0500,446.0500,754N,6,754N '
         print ' volume = Value is  0-8, default 4'
         print '          e.g., -v 4 '
         print ' filter = <pre-emphasis>,<low-pass>,<high-pass>'
         print '          default is all filters disable (1,1,1)'
         print '          to enable a filter, use 0 for the value '
         print '          to disable a filter, use 1 for the value'
         print '          e.g., -f 0,0,0  (enables all filters) '
         print ' '
         print 'Command line example:'
         print '   818cli-prog -d /dev/ttyUSB0 -m 0 -g 446.0500,446.0500,754N,6,754N -v 4 -f 0,0,0 '
         sys.exit()
      elif opt in ("-d"):
         device = arg
      elif opt in ("-g"):
         group = arg
      elif opt in ("-m"):
         mode = arg
      elif opt in ("-v"):
         volume = arg
      elif opt in ("-a"):
         filter = arg

   ############################################################################

   # configure the serial connections (the parameters differs on the device 
   # you are connecting to)
   ser = serial.Serial(
       port=device,
       baudrate=9600,
       parity=serial.PARITY_NONE,
       stopbits=serial.STOPBITS_ONE,
       bytesize=serial.EIGHTBITS
   )

   # ser.open()
   ser.isOpen()
   print '\r\n\n'
   print 'Programing DRA818x and SA818x Module \r\n\n'
   print 'Device name:'
   print '      ' + ser.portstr       # check which port was really used

   # Set Connexion
   print 'Sending Connexion ...'
   ser.write("AT+DMOCONNECT\r\n")
   time.sleep(1.00)

   #evaluate response
   raw_serial = ser.readline()
   response = raw_serial[:-2]
   print (response)

   # Set Freq/Group
   print 'Sending Freq Information...'
   ser.write("AT+DMOSETGROUP=" + mode + "," + group + "\r\n")
   time.sleep(1.00)

   #evaluate response
   raw_serial = ser.readline()
   response = raw_serial[:-2]

   # Bad response --> +DMOSETGROUP:1
   if response == '+DMOSETGROUP:1':
       print "    Error, invalid information (" + response + "). Check input format.."
       print " Command Sent:"
       print "        AT+DMOSETGROUP=" + mode + "," + group + "\r\n"
       print '        group usage:'
       print '           <mode> = Channel Space (0 or 1)'
       print '           <group> =  RxFreq,TxFreq,Rxct,Squelch,Txct'
       print '           Using this format: '
       print '           xxx.xxxx,yyy.yyyy,rrrr,s,tttt\n'
       print '        For example:'
       print '           -g 446.0500,446.0500,754N,6,754N '
       print '                 RxFreq and TxFreq xxx.xxxx '
       print '                 Rxct and Txct format xxxx (tones) '
       print '                   or xxx[N,I] (DTCS) \n '
       print '           Squelch value range: 0-8'
       exit()

   # Set Volume
   print "Setting Volume - " + volume + " " 
   ser.write("AT+DMOSETVOLUME=" + volume + "\r\n")
   time.sleep(1.00)

   #evaluate response
   raw_serial = ser.readline()
   response = raw_serial[:-2]

   # Bad response --> +DMOSETVOLUME:1
   if response == '+DMOSETVOLUME:1':
       print "    Error, invalid information (" + response + ")..."
       print " Command Sent:"
       print "    AT+DMOSETVOLUME=" + volume + "\r\n"
       exit()

   print 'Setting Filters'
   ser.write("AT+SETFILTER=" + filter + "\r\n")
   time.sleep(1.00)

   #evaluate response
   raw_serial = ser.readline()
   response = raw_serial[:-2]

   # Bad response --> +DMOSETFILTER:1
   if response == '+DMOSETFILTER:1':
       print "    Error, invalid information (" + response + ")..."
       print " Command Sent:"
       print "    AT+SETFILTER=" + filter + "\r\n"
       exit()

   print 'Setup Complete'


if __name__ == "__main__":
   main(sys.argv[1:])