CHIRP

# Copyright 2016:

# Adapted from lt725uv driver: Jim Unroe KC9HI, <rock.unroe@gmail.com>

# Modified for Baojie BJ-218:  2017 by Rick DeWitt (RJD), <aa0rd@yahoo.com>

#

# 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 time

import struct

import logging

import re

LOG = logging.getLogger(__name__)

from chirp import chirp_common, directory, memmap

from chirp import bitwise, errors, util

from chirp.settings import RadioSettingGroup, RadioSetting, \

    RadioSettingValueBoolean, RadioSettingValueList, \

    RadioSettingValueString, RadioSettingValueInteger, \

    RadioSettingValueFloat,InvalidValueError, RadioSettings

from textwrap import dedent

MEM_FORMAT = """

#seekto 0x0200;

struct {

  u8  init_bank;

  u8  volume;

  u16 fm_freq;

  u8  wtled;

  u8  rxled;

  u8  txled;

  u8  ledsw;

  u8  beep;

  u8  ring;

  u8  bcl;

  u8  tot;

  u16 sig_freq;

  u16 dtmf_txms;

  u8  init_sql;

  u8  rptr_mode;

} settings;

#seekto 0x0240;

struct {

  u8  dtmf1_cnt;

  u8  dtmf1[7];

  u8  dtmf2_cnt;

  u8  dtmf2[7];

  u8  dtmf3_cnt;

  u8  dtmf3[7];

  u8  dtmf4_cnt;

  u8  dtmf4[7];

  u8  dtmf5_cnt;

  u8  dtmf5[7];

  u8  dtmf6_cnt;

  u8  dtmf6[7];

  u8  dtmf7_cnt;

  u8  dtmf7[7];

  u8  dtmf8_cnt;

  u8  dtmf8[7];

} dtmf_tab;

#seekto 0x0280;

struct {

  u8  native_id_cnt;

  u8  native_id_code[7];

  u8  master_id_cnt;

  u8  master_id_code[7];

  u8  alarm_cnt;

  u8  alarm_code[5];

  u8  id_disp_cnt;

  u8  id_disp_code[5];

  u8  revive_cnt;

  u8  revive_code[5];

  u8  stun_cnt;

  u8  stun_code[5];

  u8  kill_cnt;

  u8  kill_code[5];

  u8  monitor_cnt;

  u8  monitor_code[5];

  u8  state_now;

} codes;

#seekto 0x02d0;

struct {

  u8  hello1_cnt;

  char  hello1[7];

  u8  hello2_cnt;

  char  hello2[7];

  u32  vhf_low;

  u32  vhf_high;

  u32  uhf_low;

  u32  uhf_high;

  u8  lims_on;

} hello_lims;

struct vfo {

  u8  frq_chn_mode;

  u8  chan_num;

  u32 rxfreq;

  u16 is_rxdigtone:1,

      rxdtcs_pol:1,

      rx_tone:14;

  u8  rx_mode;

  u8  unknown_ff;

  u16 is_txdigtone:1,

      txdtcs_pol:1,

      tx_tone:14;

  u8  launch_sig;

  u8  tx_end_sig;

  u8  power;

  u8  fm_bw;

  u8  cmp_nder;

  u8  scrm_blr;

  u8  shift;

  u32 offset;

  u16 step;

  u8  sql;

};

#seekto 0x0300;

struct {

  struct vfo vfoa;

} upper;

#seekto 0x0380;

struct {

  struct vfo vfob;

} lower;

struct mem {

  u32 rxfreq;

  u16 is_rxdigtone:1,

      rxdtcs_pol:1,

      rxtone:14;

  u8  recvmode;

  u32 txfreq;

  u16 is_txdigtone:1,

      txdtcs_pol:1,

      txtone:14;

  u8  botsignal;

  u8  eotsignal;

  u8  power:1,

      wide:1,

      compandor:1

      scrambler:1

      unknown:4;

  u8  namelen;

  u8  name[7];

};

#seekto 0x0400;

struct mem upper_memory[128];

#seekto 0x1000;

struct mem lower_memory[128];

#seekto 0x1C00;

struct {

  char  mod_num[6];

} mod_id;

"""

MEM_SIZE = 0x1C00

BLOCK_SIZE = 0x40		# 'Standard' 24-byte block

STIMEOUT = 2

LIST_RECVMODE = ["QT/DQT", "QT/DQT + Signaling"]

LIST_SIGNAL = ["Off"] + ["DTMF%s" % x for x in range(1, 9)] + \

              ["DTMF%s + Identity" % x for x in range(1, 9)] + \

              ["Identity code"]

LIST_POWER = ["Low",  "High"]               

LIST_COLOR = ["Off", "Orange", "Blue", "Purple"]

LIST_LEDSW = ["Auto", "On"]

LIST_RING = ["Off"] + ["%s" % x for x in range(1, 10)]

LIST_TDR_DEF = ["A-Upper", "B-Lower"]

LIST_TIMEOUT = ["Off"] + ["%s" % x for x in range(30, 630, 30)]

LIST_VFOMODE = ["Frequency Mode", "Channel Mode"]

TONES_CTCSS =  sorted(chirp_common.TONES)        # RJD: Numeric, Defined in \chirp\chirp_common.py

LIST_CTCSS = ["Off"] +[str(x) for x in TONES_CTCSS]            # Converted to strings

    #  Now append the DxxxN and DxxxI DTCS codes from chirp_common

for x in chirp_common.DTCS_CODES:

    LIST_CTCSS.append("D{:03d}N".format(x))

for x in chirp_common.DTCS_CODES:

    LIST_CTCSS.append("D{:03d}R".format(x))

LIST_BW= ["Narrow", "Wide"]

LIST_SHIFT= ["Off"," + ", " - "]

STEPS = [2.5, 5.0, 6.25, 10.0, 12.5, 20.0, 25.0, 50.0]

LIST_STEPS = [str(x) for x in STEPS]

LIST_STATE = ["Normal", "Stun", "Kill"]

LIST_SSF =  ["1000", "1450", "1750", "2100"]

LIST_DTMFTX= ["50", "100", "150", "200", "300","500"]

SETTING_LISTS = {

"init_bank": LIST_TDR_DEF ,

"tot": LIST_TIMEOUT,

"wtled": LIST_COLOR,

"rxled": LIST_COLOR,

"txled": LIST_COLOR,

"sig_freq": LIST_SSF,

"dtmf_txms": LIST_DTMFTX,

"ledsw": LIST_LEDSW,

"frq_chn_mode": LIST_VFOMODE,

"rx_tone": LIST_CTCSS,

"tx_tone": LIST_CTCSS,

"rx_mode": LIST_RECVMODE,

"launch_sig": LIST_SIGNAL,

"tx_end_sig": LIST_SIGNAL,

"power": LIST_POWER,

"fm_bw": LIST_BW,

"shift": LIST_SHIFT,

"step": LIST_STEPS,

"ring": LIST_RING,

"state_now": LIST_STATE

}

def _clean_buffer(radio):

    radio.pipe.timeout = 0.005

    junk = radio.pipe.read(256)

    radio.pipe.timeout = STIMEOUT

    if junk:

        Log.debug("Got %i bytes of junk before starting" % len(junk))

def _rawrecv(radio, amount):

    """Raw read from the radio device"""

    data = ""

    try:

        data = radio.pipe.read(amount)

    except:

        _exit_program_mode(radio)

        msg = "Generic error reading data from radio; check your cable."

        raise errors.RadioError(msg)

    if len(data) != amount:

        _exit_program_mode(radio)

        msg = "Error reading data from radio: not the amount of data we want."

        raise errors.RadioError(msg)

    return data

def _rawsend(radio, data):

    """Raw send to the radio device"""

    try:

        radio.pipe.write(data)

    except:

        raise errors.RadioError("Error sending data to radio")

def _make_frame(cmd, addr, length, data=""):

    """Pack the info in the header format"""

    frame = struct.pack(">4sHH", cmd, addr, length)

    # add the data if set

    if len(data) != 0:

        frame += data

    # return the data

    return frame

def _recv(radio, addr, length):

    """Get data from the radio """

    data = _rawrecv(radio, length)

    # DEBUG

    LOG.info("Response:")

    LOG.debug(util.hexprint(data))

    return data

def _do_ident(radio):

    """Put the radio in PROGRAM mode & identify it"""

    #  set the serial discipline

    radio.pipe.baudrate = 19200

    radio.pipe.parity = "N"

    radio.pipe.timeout = STIMEOUT

    # flush input buffer

    _clean_buffer(radio)

    magic = "PROM_LIN"

    _rawsend(radio, magic)

    ack = _rawrecv(radio, 1)

    if ack != "\x06":

        _exit_program_mode(radio)

        if ack:

            LOG.debug(repr(ack))

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

    return True

def _exit_program_mode(radio):

    endframe = "EXIT"

    _rawsend(radio, endframe)

def _download(radio):

    """Get the memory map"""

    # put radio in program mode and identify it

    _do_ident(radio)

    # UI progress

    status = chirp_common.Status()

    status.cur = 0

    status.max = MEM_SIZE / BLOCK_SIZE

    status.msg = "Cloning from radio..."

    radio.status_fn(status)

    data = ""

    for addr in range(0, MEM_SIZE, BLOCK_SIZE):

        frame = _make_frame("READ", addr, BLOCK_SIZE)

        # DEBUG

        LOG.info("Request sent:")

        LOG.debug(util.hexprint(frame))

        # sending the read request

        _rawsend(radio, frame)

        # now we read

        d = _recv(radio, addr, BLOCK_SIZE)

        # aggregate the data

        data += d

        # UI Update

        status.cur = addr / BLOCK_SIZE

        status.msg = "Cloning from radio..."

        radio.status_fn(status)

    _exit_program_mode(radio)

  #   data += "LT-725UV"

    data +=  "BJ-218"			# Append model number to memory map. RJD

    return data

def _upload(radio):

    """Upload procedure"""

    # put radio in program mode and identify it

    _do_ident(radio)

    # UI progress

    status = chirp_common.Status()

    status.cur = 0

    status.max = MEM_SIZE / BLOCK_SIZE

    status.msg = "Cloning to radio..."

    radio.status_fn(status)

    # the fun starts here

    for addr in range(0, MEM_SIZE, BLOCK_SIZE):

        # sending the data

        data = radio.get_mmap()[addr:addr + BLOCK_SIZE]

        frame = _make_frame("WRIE", addr, BLOCK_SIZE, data)

        _rawsend(radio, frame)

        # receiving the response

        ack = _rawrecv(radio, 1)

        if ack != "\x06":

            _exit_program_mode(radio)

            msg = "Bad ack writing block 0x%04x" % addr

            raise errors.RadioError(msg)

        # UI Update

        status.cur = addr / BLOCK_SIZE

        status.msg = "Cloning to radio..."

        radio.status_fn(status)

    _exit_program_mode(radio)

def model_match(cls, data):

    """Match the opened/downloaded image to the correct version"""

 #   rid = data[0x1C00:0x1C08]       # LT-725UV

    rid = data[0x1C00:0x1C06]                    # BJ-218  RJD

    if rid == cls.MODEL:

        return True

    return False

def _split(rf, f1, f2):

    """Returns False if the two freqs are in the same band (no split)

    or True otherwise"""

    # determine if the two freqs are in the same band

    for low, high in rf.valid_bands:

        if f1 >= low and f1 <= high and \

                f2 >= low and f2 <= high:

            # if the two freqs are on the same Band this is not a split

            return False

    # if you get here is because the freq pairs are split

    return True

class Luiton(chirp_common.Alias):

    VENDOR = "Luiton"

    MODEL = "LT-725UV"

class Zastone(chirp_common.Alias):

    VENDOR = "Zastone"

    MODEL = "BJ-218"

class Hesenate(chirp_common.Alias):

    VENDOR = "Hesenate"

    MODEL = "BJ-218"

@directory.register

class BJ218(chirp_common.CloneModeRadio,

              chirp_common.ExperimentalRadio):

    """Baojie BJ-218 Rad000000io"""

    VENDOR = "Baojie"

    MODEL = "BJ-218"

    MODES = ["NFM", "FM"]

    POWER_LEVELS = [chirp_common.PowerLevel("High", watts=30.00),

        chirp_common.PowerLevel("Low",  watts=5.00)]   

    TONES = chirp_common.TONES

    DTCS_CODES = sorted(chirp_common.DTCS_CODES + [645])

#    NAME_LENGTH = 6	      #LT-725UV

    NAME_LENGTH = 7                           # BJ-218

    DTMF_CHARS = list("0123456789ABCD*#")

    VALID_BANDS = [(136000000, 176000000),

                   (400000000, 480000000)]

    # valid chars on the LCD

    VALID_CHARS = chirp_common.CHARSET_ALPHANUMERIC + \

        "`{|}!\"#$%&'()*+,-./:;<=>?@[]^_"

    ALIASES = [Luiton, Zastone, Hesenate]

    @classmethod

    def get_prompts(cls):

        rp = chirp_common.RadioPrompts()

        rp.experimental = \

            ('The BJ-218 driver is a beta version.\n'

             '\n'

             'Please save an unedited copy of your first successful\n'

             'download to a CHIRP Radio Images(*.img) file.'

             )

        rp.pre_download = _(dedent("""\

            Follow this instructions to download your info:

            1 - Turn off your radio

            2 - Connect your interface cable

            3 - Turn on your radio

            4 - Do the download of your radio data

            5 - Turn off your radio

            6 - Unplug the interface cable

            """))

        rp.pre_upload = _(dedent("""\

            Follow this instructions to upload your info:

            1 - Turn off your radio

            2 - Connect your interface cable

            3 - Turn on your radio

            4 - Do the upload of your radio data

            5 - Turn off your radio

            6 - Unplug the interface cable

            """))

        return rp

    def get_features(self):

        rf = chirp_common.RadioFeatures()

        rf.has_settings = True

        rf.has_bank = False

        rf.has_tuning_step = False

        rf.can_odd_split = True

        rf.has_name = True

        rf.has_offset = True

        rf.has_mode = True

        rf.has_dtcs = True

        rf.has_rx_dtcs = True

        rf.has_dtcs_polarity = True

        rf.has_ctone = True

        rf.has_cross = True

        rf.has_sub_devices = self.VARIANT == ""

        rf.valid_modes = self.MODES

        rf.valid_characters = self.VALID_CHARS

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

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

        rf.valid_cross_modes = [

            "Tone->Tone",

            "DTCS->",

            "->DTCS",

            "Tone->DTCS",

            "DTCS->Tone",

            "->Tone",

            "DTCS->DTCS"]

        rf.valid_skips = []

        rf.valid_power_levels = self.POWER_LEVELS 

        rf.valid_name_length = self.NAME_LENGTH

        rf.valid_dtcs_codes = self.DTCS_CODES

        rf.valid_bands = self.VALID_BANDS

        rf.memory_bounds = (1, 128)

        return rf

    def get_sub_devices(self):

        return [BJ218Upper(self._mmap), BJ218Lower(self._mmap)]

    def sync_in(self):

        """Download from radio"""

        try:

            data = _download(self)

        except errors.RadioError:

            # Pass through any real errors we raise

            raise

        except:

            # If anything unexpected happens, make sure we raise

            # a RadioError and log the problem

            LOG.exception('Unexpected error during download')

            raise errors.RadioError('Unexpected error communicating '

                                    'with the radio')

        self._mmap = memmap.MemoryMap(data)

        self.process_mmap()

    def sync_out(self):

        """Upload to radio"""

        try:

            _upload(self)

        except:

            # If anything unexpected happens, make sure we raise

            # a RadioError and log the problem

            LOG.exception('Unexpected error during upload')

            raise errors.RadioError('Unexpected error communicating '

                                    'with the radio')

    def process_mmap(self):

        """Process the mem map into the mem object"""

        self._memobj = bitwise.parse(MEM_FORMAT, self._mmap)

    def get_raw_memory(self, number):

        if (self._vfo == "upper"):            # For some reason the _memory_obj() call fails

            return repr(self._memobj.upper_memory[number - 1])

        else :

            return repr(self._memobj.lower_memory[number - 1])

    def _memory_obj(self, suffix=""):

        return getattr(self._memobj, "%s_memory%s" % (self._vfo, suffix))

    def _get_dcs(self, val):

        return int(str(val)[2:-18])

    def _set_dcs(self, val):

        return int(str(val), 16)

    def get_memory(self, number):

        _mem = self._memory_obj()[number - 1]

        mem = chirp_common.Memory()

        mem.number = number

        if _mem.get_raw()[0] == "\xff":

            mem.empty = True

            return mem

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

        if _mem.txfreq == 0xFFFFFFFF:

            # TX freq not set

            mem.duplex = "off"

            mem.offset = 0

        elif int(_mem.rxfreq) == int(_mem.txfreq):

            mem.duplex = ""

            mem.offset = 0

        elif _split(self.get_features(), mem.freq, int(_mem.txfreq) * 10):

            mem.duplex = "split"

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

        else:

            mem.duplex = int(_mem.rxfreq) > int(_mem.txfreq) and "-" or "+"

            mem.offset = abs(int(_mem.rxfreq) - int(_mem.txfreq)) * 10

        for char in _mem.name[:_mem.namelen]:

            mem.name += chr(char)

        dtcs_pol = ["N", "N"]

        if _mem.rxtone == 0x3FFF:

            rxmode = ""

        elif _mem.is_rxdigtone == 0:

            # ctcss

            rxmode = "Tone"

            mem.ctone = int(_mem.rxtone) / 10.0

        else:

            # digital

            rxmode = "DTCS"

            mem.rx_dtcs = self._get_dcs(_mem.rxtone)

            if _mem.rxdtcs_pol == 1:

                dtcs_pol[1] = "R"

        if _mem.txtone == 0x3FFF:

            txmode = ""

        elif _mem.is_txdigtone == 0:

            # ctcss

            txmode = "Tone"

            mem.rtone = int(_mem.txtone) / 10.0

        else:

            # digital

            txmode = "DTCS"

            mem.dtcs = self._get_dcs(_mem.txtone)

            if _mem.txdtcs_pol == 1:

                dtcs_pol[0] = "R"

        if txmode == "Tone" and not rxmode:

            mem.tmode = "Tone"

        elif txmode == rxmode and txmode == "Tone" and mem.rtone == mem.ctone:

            mem.tmode = "TSQL"

        elif txmode == rxmode and txmode == "DTCS" and mem.dtcs == mem.rx_dtcs:

            mem.tmode = "DTCS"

        elif rxmode or txmode:

            mem.tmode = "Cross"

            mem.cross_mode = "%s->%s" % (txmode, rxmode)

        mem.dtcs_polarity = "".join(dtcs_pol)

        mem.mode = self.MODES[_mem.wide]

  #      val = _mem.power                            # RJD

  #      if _mem.power == 1:                      # BJ-218 memory only supports low / high

  #          val = 2                                               # bit 1 off/on

 #       mem.power = LIST_POWER[val]         # RJD

        return mem

    def set_memory(self, mem):

        _mem = self._memory_obj()[mem.number - 1]

        if mem.empty:

            _mem.set_raw("\xff" * 24)

            _mem.namelen = 0

            return

        _mem.set_raw("\xFF" * 15 + "\x00\x00" + "\xFF" * 7)

        _mem.rxfreq = mem.freq / 10

        if mem.duplex == "off":

            _mem.txfreq = 0xFFFFFFFF

        elif mem.duplex == "split":

            _mem.txfreq = mem.offset / 10

        elif mem.duplex == "+":

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

        elif mem.duplex == "-":

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

        else:

            _mem.txfreq = mem.freq / 10

        _mem.namelen = len(mem.name)

        _namelength = self.get_features().valid_name_length

        for i in range(_namelength):

            try:

                _mem.name[i] = ord(mem.name[i])

            except IndexError:

                _mem.name[i] = 0xFF

        rxmode = ""

        txmode = ""

        if mem.tmode == "Tone":

            txmode = "Tone"

        elif mem.tmode == "TSQL":

            rxmode = "Tone"

            txmode = "TSQL"

        elif mem.tmode == "DTCS":

            rxmode = "DTCSSQL"

            txmode = "DTCS"

        elif mem.tmode == "Cross":

            txmode, rxmode = mem.cross_mode.split("->", 1)

        if rxmode == "":

            _mem.rxdtcs_pol = 1

            _mem.is_rxdigtone = 1

            _mem.rxtone = 0x3FFF

        elif rxmode == "Tone":

            _mem.rxdtcs_pol = 0

            _mem.is_rxdigtone = 0

            _mem.rxtone = int(mem.ctone * 10)

        elif rxmode == "DTCSSQL":

            _mem.rxdtcs_pol = 1 if mem.dtcs_polarity[1] == "R" else 0

            _mem.is_rxdigtone = 1

            _mem.rxtone = self._set_dcs(mem.dtcs)

        elif rxmode == "DTCS":

            _mem.rxdtcs_pol = 1 if mem.dtcs_polarity[1] == "R" else 0

            _mem.is_rxdigtone = 1

            _mem.rxtone = self._set_dcs(mem.rx_dtcs)

        if txmode == "":

            _mem.txdtcs_pol = 1

            _mem.is_txdigtone = 1

            _mem.txtone = 0x3FFF

        elif txmode == "Tone":

            _mem.txdtcs_pol = 0

            _mem.is_txdigtone = 0

            _mem.txtone = int(mem.rtone * 10)

        elif txmode == "TSQL":

            _mem.txdtcs_pol = 0

            _mem.is_txdigtone = 0

            _mem.txtone = int(mem.ctone * 10)

        elif txmode == "DTCS":

            _mem.txdtcs_pol = 1 if mem.dtcs_polarity[0] == "R" else 0

            _mem.is_txdigtone = 1

            _mem.txtone = self._set_dcs(mem.dtcs)

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

 #       if mem.power== 0: _mem.power = 0

  #      else: _mem.power= 1             # 'Mid' not allowed, set to high

    def get_settings(self):

        """Translate the bit in the mem_struct into settings in the UI"""

        _sets = self._memobj.settings                         # define mem struct write-back shortcuts

        _vfoa = self._memobj.upper.vfoa

        _vfob = self._memobj.lower.vfob

        _lims = self._memobj.hello_lims

        _codes = self._memobj.codes

        _dtmf = self._memobj.dtmf_tab

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

        a_band = RadioSettingGroup("a_band", "VFO A-Upper Settings")    # RJD

        b_band = RadioSettingGroup("b_band", "VFO B-Lower Settings")    # RJD

        codes = RadioSettingGroup("codes", "Codes & DTMF Groups")    # RJD

        lims = RadioSettingGroup("lims", "PowerOn & Freq Limits")    # RJD

        group = RadioSettings(basic, a_band, b_band, lims, codes)    # RJD

        # Basic Settings

        bnd_mode = RadioSetting("settings.init_bank", "TDR Band Default",

                            RadioSettingValueList(LIST_TDR_DEF, LIST_TDR_DEF[ _sets.init_bank]))

        basic.append(bnd_mode)

        volume = RadioSetting("settings.volume", "Volume",

                              RadioSettingValueInteger(0, 20,

                                  _sets.volume))

        basic.append(volume)

        def my_word2raw(setting, obj, atrb, mlt=10):              # < Callback: convert UI floating value 131.8 to 16b int 1318

  #          LOG.warning("Setting: "+str(setting))

            if str( setting.value) == "Off": 

               frq= 0x0FFFF

            else:

                frq=int(float(str(setting.value)) * float(mlt))

            if frq == 0 : frq = 0xFFFF

  #          LOG.warning("Word2raw Frq= "+str(frq))

            setattr(obj, atrb, frq)

            return

        def my_adjraw(setting, obj, atrb, fix):        # < Callback: add or subtract fix from value

   #         LOG.warning("Setting: "+str(setting))

            vx = int(str(setting.value))

            value = vx  + int(fix)

            if value<0: value = 0

            if atrb == "frq_chn_mode" and int(str(setting.value))==2: 

                value =  vx *2           # special handling for frq_chn_mode; 2 => 1

            setattr(obj, atrb, value)

            return

        def my_dbl2raw(setting, obj, atrb, flg=1):     # < Callback: convert from freq 146.7600 to 14760000 U32

            vr = float(str(setting.value))

            value = vr * 100000

            if flg ==1 and value == 0: value = 0xFFFFFFFF      # flg=1 means 0 becomes ff, else leave as possible 0

            setattr(obj, atrb, value)

            return

        def my_val_list(setting, obj, atrb):            # < Callback: from ValueList with non-sequential, actual values

            value = int(str(setting.value))            # get the integer value

  #          LOG.warning("Val from List: "+str(value))

            if atrb == "tot": value = int(value/30)    # 30 second increments

            setattr(obj, atrb, value)

            return

        def my_spcl(setting,obj, atrb):        # < Callback: Special handling based on atrb

            if atrb == "frq_chn_mode":

                idx = LIST_VFOMODE.index (str(setting.value))		# returns 0 or 1

                value = idx * 2            # set bit 1

            setattr(obj, atrb, value)

            return

        def my_tone_strn(obj, is_atr, pol_atr, tone_atr):        # generate the CTCS/DCS tone code string

            vx = int(getattr(obj,tone_atr))

 #           LOG.warning("Vx= "+str(vx))

            if vx == 16383 or vx== 0: return "Off"                 # 16383 is all bits set

            if getattr(obj,is_atr) ==0:             # Simple CTCSS code

                tstr = str(vx/10.0)

            else:        # DCS

                if getattr(obj,pol_atr)== 0: tstr = "D{:03x}R".format(vx)

                else: tstr = "D{:03x}N".format(vx)

   #         LOG.warning("Tone String: "+tstr)

            return tstr

        def my_set_tone(setting, obj, is_atr, pol_atr, tone_atr):

#       < Callback- create the tone setting from string code

            sx = str(setting.value)                   # '131.8'  or 'D231N' or 'Off'

            if sx == "Off":

                isx = 1

                polx = 1

                tonx = 0x3FFF

            elif sx[0]=="D":         # DCS

                isx = 1

                if sx[4]=="N": polx=1

                else: polx=0

                tonx = int(sx[1:4],16)

            else:                                     # CTCSS

                isx = 0

                polx = 0

                tonx = int(float(sx)*10.0)

    #        LOG.warning("Setting tone: is="+str(isx)+", pol="+str(polx)+", tone="+hex(tonx))

            setattr(obj,is_atr,isx)

            setattr(obj,pol_atr,polx)

            setattr(obj,tone_atr,tonx)

            return

        val = _sets.fm_freq /10.0

        if val == 0 : val = 88.9            # 0 is not valid

        rs = RadioSetting("settings.fm_freq", "FM Broadcast Freq (MHz)",

                          RadioSettingValueFloat(65, 108.0,val, 0.1, 1))

        rs.set_apply_callback(my_word2raw, _sets, "fm_freq")

        basic.append(rs)

        wtled = RadioSetting("wtled", "Standby LED Color",

                             RadioSettingValueList(LIST_COLOR, LIST_COLOR[

                                 _sets.wtled]))

        basic.append(wtled)

        rxled = RadioSetting("rxled", "RX LED Color",

                             RadioSettingValueList(LIST_COLOR, LIST_COLOR[

                                 _sets.rxled]))

        basic.append(rxled)

        txled = RadioSetting("txled", "TX LED Color",

                             RadioSettingValueList(LIST_COLOR, LIST_COLOR[

                                 _sets.txled]))

        basic.append(txled)

        ledsw = RadioSetting("ledsw", "Back light mode",

                             RadioSettingValueList(LIST_LEDSW, LIST_LEDSW[

                                 _sets.ledsw]))

        basic.append(ledsw)

        beep = RadioSetting("settings.beep", "Beep",

                            RadioSettingValueBoolean(bool(_sets.beep)))