CHIRP

# Copyright 2014 Tom Hayward <tom@tomh.us>

#

# This program is free software: you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation, either version 2 of the License, or

# (at your option) any later version.

#

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program.  If not, see <http://www.gnu.org/licenses/>.

import struct

import os

import logging

from chirp import chirp_common, directory, memmap, errors, util

from chirp import bitwise

from chirp.settings import RadioSetting, RadioSettingGroup, \

    RadioSettingValueInteger, RadioSettingValueList, \

    RadioSettingValueBoolean, RadioSettingValueString, \

    RadioSettingValueFloat, InvalidValueError, RadioSettings

from textwrap import dedent

LOG = logging.getLogger(__name__)

MEM_FORMAT = """

#seekto 0x0184;

struct {

  u8 unknown:4,

     sql:4;              // squelch level

  u8 unknown0x0185;

  u8 obeep:1,            // open beep

     dw_off:1,           // dual watch (inverted)

     kbeep:1,            // key beep

     rbeep:1,            // roger beep

     unknown:2,

     ctdcsb:1,           // ct/dcs busy lock

     unknown:1;

  u8 alarm:1,            // alarm key

     unknown1:1,

     aliasen_off:1,      // alias enable (inverted)

     save:1,             // battery save

     unknown2:2,

     mrcha:1,            // mr/cha

     vfomr:1;            // vfo/mr

  u8 keylock_off:1,      // key lock (inverted)

     txstop_off:1,       // tx stop (inverted)

     scanm:1,            // scan key/mode

     vir:1,              // vox inhibit on receive

     keylockm:2,         // key lock mode

     lamp:2;             // backlight

  u8 opendis:2,          // open display

     fmen_off:1,         // fm enable (inverted)

     unknown1:1,

     fmscan_off:1,       // fm scan (inverted)

     fmdw:1,             // fm dual watch

     unknown2:2;

  u8 step:4,             // step

     vol:4;              // volume

  u8 apo:4,              // auto power off

     tot:4;              // time out timer

  u8 unknown0x018C;

  u8 voxdt:4,            // vox delay time

     voxgain:4;          // vox gain

  u8 unknown0x018E;

  u8 unknown0x018F;

  u8 unknown:3,

     lptime:5;           // long press time

  u8 keyp2long:4,        // p2 key long press

     keyp2short:4;       // p2 key short press

  u8 keyp1long:4,        // p1 key long press

     keyp1short:4;       // p1 key short press

  u8 keyp3long:4,        // p3 key long press

     keyp3short:4;       // p3 key short press

  u8 unknown0x0194;

  u8 menuen:1,           // menu enable

     absel:1,            // a/b select

     unknown:2

     keymshort:4;        // m key short press

  u8 unknown:4,

     dtmfst:1,           // dtmf sidetone

     ackdecode:1,        // ack decode

     monitor:2;          // monitor

  u8 unknown1:3,

     reset:1,            // reset enable

     unknown2:1,

     keypadmic_off:1,    // keypad mic (inverted)

     unknown3:2;

  u8 unknown0x0198;

  u8 unknown1:3,

     dtmftime:5;         // dtmf digit time

  u8 unknown1:3,

     dtmfspace:5;        // dtmf digit space time

  u8 unknown1:2,

     dtmfdelay:6;        // dtmf first digit delay

  u8 unknown1:1,

     dtmfpretime:7;      // dtmf pretime

  u8 unknown1:2,

     dtmfdelay2:6;       // dtmf * and # digit delay

  u8 unknown1:3,

     smfont_off:1,       // small font (inverted)

     unknown:4;

} settings;

#seekto 0x01cd;

struct {

  u8 rssi136;            // squelch base level (vhf)

  u8 unknown0x01ce;

  u8 rssi400;            // squelch base level (uhf)

} service;

#seekto 0x0900;

struct {

  char user1[7];         // user message 1

  char unknown0x0907;

  char unknown0x0908[8];

  char unknown0x0910[8];

  char system[7];        // system message

  char unknown0x091F;

  char user2[7];         // user message 2

  char unknown0x0927;

} messages;

"""

MEM_CHANNEL = """

struct channel {

  bbcd rx_freq[4];

  bbcd tx_freq[4];

  u8 rx_tone;

  u8 rx_tmode;

  u8 tx_tone;

  u8 tx_tmode;

  u8 unknown5;

  u8 pttidoff:1,

     dtmfoff:1,

     %(unknownormode)s,

     tailcut:1,

     aliasop:1,

     talkaroundoff:1,

     voxoff:1,

     skip:1;

  u8 %(modeorpower)s,

     reverseoff:1,

     blckoff:1,

     unknown7:1,

     apro:3;

  u8 unknown8;

};

struct name {

    char name[7];

    u8 pad;

};

#seekto 0x0d00;

struct channel default[3];

struct channel memory[199];

#seekto 0x19b0;

struct name defaultname[3];

struct name name[199];

"""

### channel formatter for 898S/E v1.07

MEM_CHANNEL_107 = """

struct channel {

  bbcd rx_freq[4];

  bbcd tx_freq[4];

  u8 rx_tone;

  u8 rx_tmode;

  u8 tx_tone;

  u8 tx_tmode;

  u8 unknown5;

  u8 pttidoff:1,

     dtmfoff:1,

     mode:1,

     tailcut:1,

     aliasop:1,

     talkaroundoff:1,

     voxoff:1,

     skip:1;

  u8 power:2,

     reverseoff:1,

     blckoff:1,

     unknown7:1,

     apro:3;

  u8 unknown8;

#seek 16;

};

struct name {

    char name[7];

    u8 pad;

#seek 8;

};

#seekto 0x%(chan_offset)x;

struct channel default[3];

struct channel memory[99];

#seekto 0x%(name_offset)x;

struct name defaultname[3];

struct name name[99];

"""

APO_LIST = ["OFF", "10M", "20M", "30M", "40M", "50M", "60M", "90M",

            "2H", "4H", "6H", "8H", "10H", "12H", "14H", "16H"]

SQL_LIST = ["%s" % x for x in range(0, 10)]

SCANM_LIST = ["CO", "TO"]

TOT_LIST = ["OFF"] + ["%s seconds" % x for x in range(10, 130, 10)]

STEP_LIST = ["2.5 KHz", "5 KHz", "6.25 KHz", "10 KHz", "12.5 KHz", "25 KHz"]

MONITOR_LIST = ["CTC/DCS", "DTMF", "CTC/DCS and DTMF", "CTC/DCS or DTMF"]

VFOMR_LIST = ["MR", "VFO"]

MRCHA_LIST = ["MR CHA", "Freq. MR"]

VOL_LIST = ["OFF"] + ["%s" % x for x in range(1, 16)]

OPENDIS_LIST = ["All", "Lease Time", "User-defined", "Leixen"]

LAMP_LIST = ["OFF", "KEY", "CONT"]

KEYLOCKM_LIST = ["K+S", "PTT", "KEY", "ALL"]

ABSEL_LIST = ["B Channel",  "A Channel"]

VOXGAIN_LIST = ["%s" % x for x in range(1, 9)]

VOXDT_LIST = ["%s seconds" % x for x in range(1, 5)]

DTMFTIME_LIST = ["%i milliseconds" % x for x in range(50, 210, 10)]

DTMFDELAY_LIST = ["%i milliseconds" % x for x in range(0, 550, 50)]

DTMFPRETIME_LIST = ["%i milliseconds" % x for x in range(100, 1100, 100)]

DTMFDELAY2_LIST = ["%i milliseconds" % x for x in range(0, 450, 50)]

LPTIME_LIST = ["%i milliseconds" % x for x in range(500, 2600, 100)]

PFKEYLONG_LIST = ["OFF",

                  "FM",

                  "Monitor Momentary",

                  "Monitor Lock",

                  "SQ Off Momentary",

                  "Mute",

                  "SCAN",

                  "TX Power",

                  "EMG",

                  "VFO/MR",

                  "DTMF",

                  "CALL",

                  "Transmit 1750Hz",

                  "A/B",

                  "Talk Around",

                  "Reverse"

                  ]

PFKEYSHORT_LIST = ["OFF",

                   "FM",

                   "BandChange",

                   "Time",

                   "Monitor Lock",

                   "Mute",

                   "SCAN",

                   "TX Power",

                   "EMG",

                   "VFO/MR",

                   "DTMF",

                   "CALL",

                   "Transmit 1750Hz",

                   "A/B",

                   "Talk Around",

                   "Reverse"

                   ]

MODES = ["NFM", "FM"]

WTFTONES = map(float, xrange(56, 64))

TONES = WTFTONES + chirp_common.TONES

DTCS_CODES = [17, 50, 645] + chirp_common.DTCS_CODES

DTCS_CODES.sort()

TMODES = ["", "Tone", "DTCS", "DTCS"]

def _image_ident_from_data(data):

    return data[0x168:0x178]

def _image_ident_from_image(radio):

    return _image_ident_from_data(radio.get_mmap())

def checksum(frame):

    x = 0

    for b in frame:

        x ^= ord(b)

    return chr(x)

def make_frame(cmd, addr, data=""):

    payload = struct.pack(">H", addr) + data

    header = struct.pack(">BB", ord(cmd), len(payload))

    frame = header + payload

    return frame + checksum(frame)

def send(radio, frame):

    # LOG.debug("%04i P>R: %s" %

    #           (len(frame),

    #            util.hexprint(frame).replace("\n", "\n          ")))

    try:

        radio.pipe.write(frame)

    except Exception, e:

        raise errors.RadioError("Failed to communicate with radio: %s" % e)

def recv(radio, readdata=True):

    hdr = radio.pipe.read(4)

    # LOG.debug("%04i P<R: %s" %

    #           (len(hdr), util.hexprint(hdr).replace("\n", "\n          ")))

    if hdr == "\x09\x00\x09":

        raise errors.RadioError("Radio rejected command.")

    cmd, length, addr = struct.unpack(">BBH", hdr)

    length -= 2

    if readdata:

        data = radio.pipe.read(length)

        # LOG.debug("     P<R: %s" %

        #           util.hexprint(hdr + data).replace("\n", "\n          "))

        if len(data) != length:

            raise errors.RadioError("Radio sent %i bytes (expected %i)" % (

                    len(data), length))

        chk = radio.pipe.read(1)

    else:

        data = ""

    return addr, data

def do_ident(radio):

    send(radio, "\x02\x06LEIXEN\x17")

    ident = radio.pipe.read(9)

    LOG.debug("     P<R: %s" %

              util.hexprint(ident).replace("\n", "\n          "))

    if ident != "\x06\x06leixen\x13":

        raise errors.RadioError("Radio refused program mode")

    radio.pipe.write("\x06\x00\x06")

    ack = radio.pipe.read(3)

    if ack != "\x06\x00\x06":

        raise errors.RadioError("Radio did not ack.")

def do_download(radio):

    do_ident(radio)

    data = ""

    data += "\xFF" * (0 - len(data))

    for addr in range(0, radio._memsize, 0x10):

        send(radio, make_frame("R", addr, chr(0x10)))

        _addr, _data = recv(radio)

        if _addr != addr:

            raise errors.RadioError("Radio sent unexpected address")

        data += _data

        status = chirp_common.Status()

        status.cur = addr

        status.max = radio._memsize

        status.msg = "Cloning from radio"

        radio.status_fn(status)

    finish(radio)

    return memmap.MemoryMap(data)

def do_upload(radio):

    _ranges = [(0x0d00, 0x2000)]

    image_ident = _image_ident_from_image(radio)

    if image_ident.startswith(radio._file_ident) and \

       radio._model_ident in image_ident:

        _ranges = radio._ranges

    do_ident(radio)

    for start, end in _ranges:

        for addr in range(start, end, 0x10):

            frame = make_frame("W", addr, radio._mmap[addr:addr + 0x10])

            send(radio, frame)

            # LOG.debug("     P<R: %s" %

            #           util.hexprint(frame).replace("\n", "\n          "))

            radio.pipe.write("\x06\x00\x06")

            ack = radio.pipe.read(3)

            if ack != "\x06\x00\x06":

                raise errors.RadioError("Radio refused block at %04x" % addr)

            status = chirp_common.Status()

            status.cur = addr

            status.max = radio._memsize

            status.msg = "Cloning to radio"

            radio.status_fn(status)

    finish(radio)

def finish(radio):

    send(radio, "\x64\x01\x6F\x0A")

    ack = radio.pipe.read(8)

# Declaring Aliases

class LT898UV(chirp_common.Alias):

    VENDOR = "LUITON"

    MODEL = "LT-898UV"

@directory.register

class LeixenVV898Radio(chirp_common.CloneModeRadio):

    """Leixen VV-898"""

    VENDOR = "Leixen"

    MODEL = "VV-898"

    ALIASES = [LT898UV, ]

    BAUD_RATE = 9600

    _file_ident = "Leixen"

    _model_ident = 'LX-\x89\x85\x63'

    _memsize = 0x2000

    _ranges = [

        (0x0000, 0x013f),

        (0x0148, 0x0167),

        (0x0184, 0x018f),

        (0x0190, 0x01cf),

        (0x0900, 0x090f),

        (0x0920, 0x0927),

        (0x0d00, 0x2000),

    ]

    _mem_formatter = {'unknownormode': 'unknown6:1',

                      'modeorpower': 'mode:1, power:1'}

    _power_levels = [chirp_common.PowerLevel("Low", watts=4),

                     chirp_common.PowerLevel("High", watts=10)]

    def get_features(self):

        rf = chirp_common.RadioFeatures()

        rf.has_settings = True

        rf.has_cross = True

        rf.has_bank = False

        rf.has_tuning_step = False

        rf.can_odd_split = True

        rf.has_rx_dtcs = True

        rf.valid_tmodes = ['', 'Tone', 'TSQL', 'DTCS', 'Cross']

        rf.valid_modes = MODES

        rf.valid_cross_modes = [

            "Tone->Tone",

            "DTCS->",

            "->DTCS",

            "Tone->DTCS",

            "DTCS->Tone",

            "->Tone",

            "DTCS->DTCS"]

        rf.valid_characters = chirp_common.CHARSET_ASCII

        rf.valid_name_length = 7

        rf.valid_power_levels = self._power_levels

        rf.valid_duplexes = ["", "-", "+", "split", "off"]

        rf.valid_skips = ["", "S"]

        rf.valid_bands = [(136000000, 174000000),

                          (400000000, 470000000)]

        rf.memory_bounds = (1, 199)

        return rf

    def sync_in(self):

        try:

            self._mmap = do_download(self)

        except Exception, e:

            finish(self)

            raise errors.RadioError("Failed to download from radio: %s" % e)

        self.process_mmap()

    def process_mmap(self):

        self._memobj = bitwise.parse(MEM_FORMAT + MEM_CHANNEL % self._mem_formatter, self._mmap)

    def sync_out(self):

        try:

            do_upload(self)

        except errors.RadioError:

            finish(self)

            raise

        except Exception, e:

            raise errors.RadioError("Failed to upload to radio: %s" % e)

    def get_raw_memory(self, number):

        return repr(self._memobj.name[number - 1]) + \

               repr(self._memobj.memory[number - 1])

    def _get_tone(self, mem, _mem):

        rx_tone = tx_tone = None

        tx_tmode = TMODES[_mem.tx_tmode]

        rx_tmode = TMODES[_mem.rx_tmode]

        if tx_tmode == "Tone":

            tx_tone = TONES[_mem.tx_tone - 1]

        elif tx_tmode == "DTCS":

            tx_tone = DTCS_CODES[_mem.tx_tone - 1]

        if rx_tmode == "Tone":

            rx_tone = TONES[_mem.rx_tone - 1]

        elif rx_tmode == "DTCS":

            rx_tone = DTCS_CODES[_mem.rx_tone - 1]

        tx_pol = _mem.tx_tmode == 0x03 and "R" or "N"

        rx_pol = _mem.rx_tmode == 0x03 and "R" or "N"

        chirp_common.split_tone_decode(mem, (tx_tmode, tx_tone, tx_pol),

                                            (rx_tmode, rx_tone, rx_pol))

    def _is_txinh(self, _mem):

        raw_tx = ""

        for i in range(0, 4):

            raw_tx += _mem.tx_freq[i].get_raw()

        return raw_tx == "\xFF\xFF\xFF\xFF"

    def get_memory(self, number):

        _mem = self._memobj.memory[number - 1]

        _name = self._memobj.name[number - 1]

        mem = chirp_common.Memory()

        mem.number = number

        if _mem.get_raw()[:4] == "\xFF\xFF\xFF\xFF":

            mem.empty = True

            return mem

        mem.freq = int(_mem.rx_freq) * 10

        if self._is_txinh(_mem):

            mem.duplex = "off"

            mem.offset = 0

        elif int(_mem.rx_freq) == int(_mem.tx_freq):

            mem.duplex = ""

            mem.offset = 0

        elif abs(int(_mem.rx_freq) * 10 - int(_mem.tx_freq) * 10) > 70000000:

            mem.duplex = "split"

            mem.offset = int(_mem.tx_freq) * 10

        else:

            mem.duplex = int(_mem.rx_freq) > int(_mem.tx_freq) and "-" or "+"

            mem.offset = abs(int(_mem.rx_freq) - int(_mem.tx_freq)) * 10

        mem.name = str(_name.name).rstrip()

        self._get_tone(mem, _mem)

        mem.mode = MODES[_mem.mode]

        powerindex = _mem.power if _mem.power < len(self._power_levels) else -1

        mem.power = self._power_levels[powerindex]

        mem.skip = _mem.skip and "S" or ""

        mem.extra = RadioSettingGroup("Extra", "extra")

        opts = ["On", "Off"]

        rs = RadioSetting("blckoff", "Busy Channel Lockout",

                          RadioSettingValueList(

                              opts, opts[_mem.blckoff]))

        mem.extra.append(rs)

        opts = ["Off", "On"]

        rs = RadioSetting("tailcut", "Squelch Tail Elimination",

                          RadioSettingValueList(

                              opts, opts[_mem.tailcut]))

        mem.extra.append(rs)

        apro = _mem.apro if _mem.apro < 0x5 else 0

        opts = ["Off", "Compander", "Scrambler", "TX Scrambler",

                "RX Scrambler"]

        rs = RadioSetting("apro", "Audio Processing",

                          RadioSettingValueList(

                              opts, opts[apro]))

        mem.extra.append(rs)

        opts = ["On", "Off"]

        rs = RadioSetting("voxoff", "VOX",

                          RadioSettingValueList(

                              opts, opts[_mem.voxoff]))

        mem.extra.append(rs)

        opts = ["On", "Off"]

        rs = RadioSetting("pttidoff", "PTT ID",

                          RadioSettingValueList(

                              opts, opts[_mem.pttidoff]))

        mem.extra.append(rs)

        opts = ["On", "Off"]

        rs = RadioSetting("dtmfoff", "DTMF",

                          RadioSettingValueList(

                              opts, opts[_mem.dtmfoff]))

        mem.extra.append(rs)

        opts = ["Name", "Frequency"]

        aliasop = RadioSetting("aliasop", "Display",

                               RadioSettingValueList(

                                   opts, opts[_mem.aliasop]))

        mem.extra.append(aliasop)

        opts = ["On", "Off"]

        rs = RadioSetting("reverseoff", "Reverse Frequency",

                          RadioSettingValueList(

                              opts, opts[_mem.reverseoff]))

        mem.extra.append(rs)

        opts = ["On", "Off"]

        rs = RadioSetting("talkaroundoff", "Talk Around",

                          RadioSettingValueList(

                              opts, opts[_mem.talkaroundoff]))

        mem.extra.append(rs)

        return mem

    def _set_tone(self, mem, _mem):

        ((txmode, txtone, txpol),

         (rxmode, rxtone, rxpol)) = chirp_common.split_tone_encode(mem)

        _mem.tx_tmode = TMODES.index(txmode)

        _mem.rx_tmode = TMODES.index(rxmode)

        if txmode == "Tone":

            _mem.tx_tone = TONES.index(txtone) + 1

        elif txmode == "DTCS":

            _mem.tx_tmode = txpol == "R" and 0x03 or 0x02

            _mem.tx_tone = DTCS_CODES.index(txtone) + 1

        if rxmode == "Tone":

            _mem.rx_tone = TONES.index(rxtone) + 1

        elif rxmode == "DTCS":

            _mem.rx_tmode = rxpol == "R" and 0x03 or 0x02

            _mem.rx_tone = DTCS_CODES.index(rxtone) + 1

    def set_memory(self, mem):

        _mem = self._memobj.memory[mem.number - 1]

        _name = self._memobj.name[mem.number - 1]

        if mem.empty:

            _mem.set_raw("\xFF" * 16)

            return

        elif _mem.get_raw() == ("\xFF" * 16):

            _mem.set_raw("\xFF" * 8 + "\xFF\x00\xFF\x00\xFF\xFE\xF0\xFC")

        _mem.rx_freq = mem.freq / 10

        if mem.duplex == "off":

            for i in range(0, 4):

                _mem.tx_freq[i].set_raw("\xFF")

        elif mem.duplex == "split":

            _mem.tx_freq = mem.offset / 10

        elif mem.duplex == "+":

            _mem.tx_freq = (mem.freq + mem.offset) / 10

        elif mem.duplex == "-":

            _mem.tx_freq = (mem.freq - mem.offset) / 10

        else:

            _mem.tx_freq = mem.freq / 10

        self._set_tone(mem, _mem)

        _mem.power = mem.power and self._power_levels.index(mem.power) or 0

        _mem.mode = MODES.index(mem.mode)

        _mem.skip = mem.skip == "S"

        _name.name = mem.name.ljust(7)

        # autoset display to name if filled, else show frequency

        if mem.extra:

            # mem.extra only seems to be populated when called from edit panel

            aliasop = mem.extra["aliasop"]

        else:

            aliasop = None

        if mem.name:

            _mem.aliasop = False

            if aliasop and not aliasop.changed():

                aliasop.value = "Name"

        else:

            _mem.aliasop = True

            if aliasop and not aliasop.changed():

                aliasop.value = "Frequency"

        for setting in mem.extra:

            setattr(_mem, setting.get_name(), setting.value)

    def _get_settings(self):

        _settings = self._memobj.settings

        _service = self._memobj.service

        _msg = self._memobj.messages

        cfg_grp = RadioSettingGroup("cfg_grp", "Basic Settings")

        adv_grp = RadioSettingGroup("adv_grp", "Advanced Settings")

        key_grp = RadioSettingGroup("key_grp", "Key Assignment")

        group = RadioSettings(cfg_grp, adv_grp, key_grp)

        #

        # Basic Settings

        #

        rs = RadioSetting("apo", "Auto Power Off",

                          RadioSettingValueList(

                              APO_LIST, APO_LIST[_settings.apo]))

        cfg_grp.append(rs)

        rs = RadioSetting("sql", "Squelch Level",

                          RadioSettingValueList(

                              SQL_LIST, SQL_LIST[_settings.sql]))

        cfg_grp.append(rs)

        rs = RadioSetting("scanm", "Scan Mode",

                          RadioSettingValueList(

                              SCANM_LIST, SCANM_LIST[_settings.scanm]))

        cfg_grp.append(rs)

        rs = RadioSetting("tot", "Time Out Timer",

                          RadioSettingValueList(

                              TOT_LIST, TOT_LIST[_settings.tot]))

        cfg_grp.append(rs)

        rs = RadioSetting("step", "Step",

                          RadioSettingValueList(

                              STEP_LIST, STEP_LIST[_settings.step]))

        cfg_grp.append(rs)

        rs = RadioSetting("monitor", "Monitor",

                          RadioSettingValueList(

                              MONITOR_LIST, MONITOR_LIST[_settings.monitor]))

        cfg_grp.append(rs)

        rs = RadioSetting("vfomr", "VFO/MR",

                          RadioSettingValueList(

                              VFOMR_LIST, VFOMR_LIST[_settings.vfomr]))

        cfg_grp.append(rs)

        rs = RadioSetting("mrcha", "MR/CHA",

                          RadioSettingValueList(

                              MRCHA_LIST, MRCHA_LIST[_settings.mrcha]))

        cfg_grp.append(rs)

        rs = RadioSetting("vol", "Volume",

                          RadioSettingValueList(

                              VOL_LIST, VOL_LIST[_settings.vol]))

        cfg_grp.append(rs)

        rs = RadioSetting("opendis", "Open Display",

                          RadioSettingValueList(

                              OPENDIS_LIST, OPENDIS_LIST[_settings.opendis]))

        cfg_grp.append(rs)

        def _filter(name):

            filtered = ""

            for char in str(name):

                if char in chirp_common.CHARSET_ASCII:

                    filtered += char

                else:

                    filtered += " "

            LOG.debug("Filtered: %s" % filtered)

            return filtered

        rs = RadioSetting("messages.user1", "User-defined Message 1",

                          RadioSettingValueString(0, 7, _filter(_msg.user1)))

        cfg_grp.append(rs)

        rs = RadioSetting("messages.user2", "User-defined Message 2",

                          RadioSettingValueString(0, 7, _filter(_msg.user2)))

        cfg_grp.append(rs)

        val = RadioSettingValueString(0, 7, _filter(_msg.system))

        val.set_mutable(False)

        rs = RadioSetting("messages.system", "System Message", val)

        cfg_grp.append(rs)

        rs = RadioSetting("lamp", "Backlight",

                          RadioSettingValueList(

                              LAMP_LIST, LAMP_LIST[_settings.lamp]))

        cfg_grp.append(rs)

        rs = RadioSetting("keylockm", "Key Lock Mode",

                          RadioSettingValueList(

                              KEYLOCKM_LIST,

                              KEYLOCKM_LIST[_settings.keylockm]))

        cfg_grp.append(rs)

        rs = RadioSetting("absel", "A/B Select",

                          RadioSettingValueList(ABSEL_LIST,

                                                ABSEL_LIST[_settings.absel]))

        cfg_grp.append(rs)

        rs = RadioSetting("obeep", "Open Beep",

                          RadioSettingValueBoolean(_settings.obeep))

        cfg_grp.append(rs)

        rs = RadioSetting("rbeep", "Roger Beep",

                          RadioSettingValueBoolean(_settings.rbeep))

        cfg_grp.append(rs)

        rs = RadioSetting("keylock_off", "Key Lock",

                          RadioSettingValueBoolean(not _settings.keylock_off))

        cfg_grp.append(rs)

        rs = RadioSetting("ctdcsb", "CT/DCS Busy Lock",

                          RadioSettingValueBoolean(_settings.ctdcsb))

        cfg_grp.append(rs)

        rs = RadioSetting("alarm", "Alarm Key",

                          RadioSettingValueBoolean(_settings.alarm))

        cfg_grp.append(rs)

        rs = RadioSetting("save", "Battery Save",

                          RadioSettingValueBoolean(_settings.save))

        cfg_grp.append(rs)

        rs = RadioSetting("kbeep", "Key Beep",

                          RadioSettingValueBoolean(_settings.kbeep))

        cfg_grp.append(rs)

        rs = RadioSetting("reset", "Reset Enable",

                          RadioSettingValueBoolean(_settings.reset))

        cfg_grp.append(rs)

        rs = RadioSetting("smfont_off", "Small Font",

                          RadioSettingValueBoolean(not _settings.smfont_off))

        cfg_grp.append(rs)

        rs = RadioSetting("aliasen_off", "Alias Enable",

                          RadioSettingValueBoolean(not _settings.aliasen_off))

        cfg_grp.append(rs)

        rs = RadioSetting("txstop_off", "TX Stop",

                          RadioSettingValueBoolean(not _settings.txstop_off))

        cfg_grp.append(rs)

        rs = RadioSetting("dw_off", "Dual Watch",

                          RadioSettingValueBoolean(not _settings.dw_off))

        cfg_grp.append(rs)

        rs = RadioSetting("fmen_off", "FM Enable",

                          RadioSettingValueBoolean(not _settings.fmen_off))

        cfg_grp.append(rs)

        rs = RadioSetting("fmdw", "FM Dual Watch",

                          RadioSettingValueBoolean(_settings.fmdw))

        cfg_grp.append(rs)

        rs = RadioSetting("fmscan_off", "FM Scan",

                          RadioSettingValueBoolean(

                              not _settings.fmscan_off))

        cfg_grp.append(rs)

        rs = RadioSetting("keypadmic_off", "Keypad MIC",

                          RadioSettingValueBoolean(

                              not _settings.keypadmic_off))

        cfg_grp.append(rs)

        rs = RadioSetting("voxgain", "VOX Gain",

                          RadioSettingValueList(

                              VOXGAIN_LIST, VOXGAIN_LIST[_settings.voxgain]))

        cfg_grp.append(rs)

        rs = RadioSetting("voxdt", "VOX Delay Time",

                          RadioSettingValueList(

                              VOXDT_LIST, VOXDT_LIST[_settings.voxdt]))

        cfg_grp.append(rs)

        rs = RadioSetting("vir", "VOX Inhibit on Receive",

                          RadioSettingValueBoolean(_settings.vir))

        cfg_grp.append(rs)

        #

        # Advanced Settings

        #