LM phone call to phone number - Printable Version

Code:
-- init

--

--

if not numbers then

  require('user.sms')

  require('json')

  require('socket')



  -- allowed numbers, SMS from other numbers will be ignored

  numbers = { '371xxxxxxx', '371xxxxxxx' }



  -- port number depends on modem model

  comport = 'ttyUSB0'

  doreset = false -- set to true if USB reset is required before starting any communication



  -- if SIM PIN is enabled, uncomment the line below and replace 0000 with SIM PIN

  -- pincode = '0000'



  -- command parser

  parser = function(cmd, sender)

    local find, pos, name, mode, offset, value, dvalue, obj, message



    cmd = cmd:trim()

    mode = cmd:sub(1, 1):upper()



    -- invalid request

    if mode ~= 'W' and mode ~= 'R' then

      return

    end



    cmd = cmd:sub(3):trim()



    -- parse object name/address

    find = cmd:sub(1, 1) == '"' and '"' or ' '

    offset = find == '"' and 1 or 0



    -- pad with space when in read mode

    if mode == 'R' and find == ' ' then

      cmd = cmd .. ' '

    end



    -- find object name

    pos = cmd:find(find, 1 + offset, true)



    -- name end not found, stop

    if not pos then

      return

    end



    -- get name part

    name = cmd:sub(1 + offset, pos - offset):trim()



    if mode == 'W' then

      value = cmd:sub(pos + offset):trim()



      if #value > 0 then

        -- try decoding value

        dvalue = json.pdecode(value)

        if dvalue ~= nil then

          value = dvalue

        end



        -- send to bus

        grp.write(name, value)

      end

    -- read request

    else

      obj = grp.find(name)



      -- object not known

      if not obj then

        return

      end



      -- send read request and wait for an update

      obj:read()

      os.sleep(1)



      -- read new value

      value = grp.getvalue(name)



      -- got no value

      if value == nil then

        return

      end



      -- add object name if specified

      if obj.name then

        name = string.format('%s (%s)', obj.name, obj.address)

      end



      message = string.format('Value of %s is %s', name, json.encode(value))

      modem:sendsms('+' .. sender, message)

    end

  end



  -- incoming sms handler

  readcsq = function()

    local res, err, reply = modem:send('AT+CSQ')

    local rssi



    if reply then

      rssi = reply:match('%+CSQ:%s+(%d+),(%d+)')

    end



    rssi = tonumber(rssi) or 0



    if 2 <= rssi and rssi <= 9 then

      quality = 'marginal'

    elseif 10 <= rssi and rssi <= 14 then

      quality = 'ok'

    elseif 15 <= rssi and rssi <= 19 then

      quality = 'good'

    elseif 20 <= rssi and rssi <= 30 then

      quality = 'excellent'

    else

      quality = 'unknown'

    end

    grp.write('0/0/40', quality)  -- Modem signal level write to group

  end



  csqtime = os.time()

  handler = function(sms)

    alert('incoming sms: [%s] %s', tostring(sms.sender), tostring(sms.data))



    -- sms from known number, call parser

    if table.contains(numbers, sms.sender) then

      parser(sms.data, sms.sender)

    end

  end



  -- check local udp server for messages to send

udphandler = function(server)

  -- check for local sms to send

  local msg = server:receive()

  -- got no message

  if not msg then

    return

  end



  -- split into number and message

  local sep = msg:find(' ')

  if not sep then

    return

  end



  local num = msg:sub(1, sep - 1)

  local txt = msg:sub(sep + 1)



  if txt == 'CALL' then

    alert('calling: ' .. num)

    modem:call(num)

  else

    alert('sending sms: ' .. msg)

    modem:sendsms(num, txt)

  end

    end

  end -- look like this place could be correct??-------------------------------------------------------------------------------



-- handle data from modem

if modem then

  if modem:run() then

    now = os.time()

    delta = math.abs(now - csqtime)



    if delta >= 15 then

      csqtime = now

      readcsq()

    end

    udphandler(server)

  else

    alert('SMS handler lost connection')

    modem:reinit()

  end

-- modem init

else

  alert('SMS handler init')

  -- open serial port

  modem = AT:init('/dev/' .. comport, doreset)



  -- init ok

  if modem then

    -- set sms handler

    modem:setsmshandler(handler)



    -- enable local echo

    modem:send('ATE1')

    

    -- send pin if set

    if pincode then

      modem:send('AT+CPIN=' .. pincode)

      modem:read()

    end



    -- phase 2+

    modem:send('AT+CSMS=1')

    -- set to pdu mode

    modem:send('AT+CMGF=0')

    -- enable sms notifications

    modem:send('AT+CNMI=1,1,0,0,1')

    -- fixup encoding

    modem:send('AT+CSCS="GSM"')

    --modem:send('AT+CSCS="UCS2"') --not working

    -- modem:send('ATD+371xxxxxxx;')

   -- sleep(8)

   -- modem:send('ATH')

    

    --modem:send('AT+CSQ')

    --modem:read()

    -- delete all saved messages

    modem:send('AT+CMGD=1')

    sleep(0.2)

     modem:send('AT+CMGD=2')

    sleep(0.2)

     modem:send('AT+CMGD=3')

    sleep(0.2)

     modem:send('AT+CMGD=4')

    sleep(0.2)

     modem:send('AT+CMGD=5')

    sleep(0.2)

     modem:send('AT+CMGD=6')

    sleep(0.2)

     modem:send('AT+CMGD=7')

    sleep(0.2)

     modem:send('AT+CMGD=8')

    sleep(0.2)

     modem:send('AT+CMGD=9')

    sleep(0.2)

     modem:send('AT+CMGD=10')

    sleep(0.2)

     modem:send('AT+CMGD=11')

    sleep(0.2)

     modem:send('AT+CMGD=12')

    sleep(0.2)

     modem:send('AT+CMGD=13')

    sleep(0.2)

     modem:send('AT+CMGD=14')

    sleep(0.2)

     modem:send('AT+CMGD=15')

    sleep(0.2)

     modem:send('AT+CMGD=16')

    sleep(0.2)

     modem:send('AT+CMGD=17')

    sleep(0.2)

     modem:send('AT+CMGD=18')

    sleep(0.2)

     modem:send('AT+CMGD=19')

    sleep(0.2)

     modem:send('AT+CMGD=20')

    -- local udp server for sending sms

    server = socket.udp()

    server:setsockname('127.0.0.1', 12535)

    server:settimeout(0.1)



    alert('SMS handler started')

  -- init failed

  else

    alert('SMS USB init failed')

  end

end