CHIRP

# Copyright 2016:

# * Jim Unroe KC9HI, <rock.unroe@gmail.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.drivers import baofeng_common

from chirp import chirp_common, directory, memmap

from chirp import bitwise, errors, util

from chirp.settings import RadioSettingGroup, RadioSetting, \

    RadioSettingValueBoolean, RadioSettingValueList, \

    RadioSettingValueString, RadioSettingValueInteger, \

    RadioSettingValueFloat, RadioSettings, \

    InvalidValueError

from textwrap import dedent

##### MAGICS #########################################################

# BTECH UV-5X3 magic string

MSTRING_UV5X3 = "\x50\x0D\x0C\x20\x16\x03\x28"

# MTC UV-5R-3 magic string

MSTRING_UV5R3 = "\x50\x0D\x0C\x20\x17\x09\x19"

##### ID strings #####################################################

# BTECH UV-5X3

UV5X3_fp1 = "UVVG302"  # BFB300 original

UV5X3_fp2 = "UVVG301"  # UVV300 original

UV5X3_fp3 = "UVVG306"  # UVV306 original

# MTC UV-5R-3

UV5R3_fp1 = "5R31709"

DTMF_CHARS = " 1234567890*#ABCD"

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

LIST_AB = ["A", "B"]

LIST_ALMOD = ["Site", "Tone", "Code"]

LIST_BANDWIDTH = ["Wide", "Narrow"]

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

LIST_DELAYPROCTIME = ["%s ms" % x for x in range(100, 4100, 100)]

LIST_DTMFSPEED = ["%s ms" % x for x in range(50, 2010, 10)]

LIST_DTMFST = ["Off", "DT-ST", "ANI-ST", "DT+ANI"]

LIST_MODE = ["Channel", "Name", "Frequency"]

LIST_OFF1TO9 = ["Off"] + list("123456789")

LIST_OFF1TO10 = LIST_OFF1TO9 + ["10"]

LIST_OFFAB = ["Off"] + LIST_AB

LIST_RESETTIME = ["%s ms" % x for x in range(100, 16100, 100)]

LIST_RESUME = ["TO", "CO", "SE"]

LIST_PONMSG = ["Full", "Message"]

LIST_PTTID = ["Off", "BOT", "EOT", "Both"]

LIST_SCODE = ["%s" % x for x in range(1, 16)]

LIST_RPSTE = ["Off"] + ["%s" % x for x in range(1, 11)]

LIST_SAVE = ["Off", "1:1", "1:2", "1:3", "1:4"]

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

LIST_STEDELAY = ["Off"] + ["%s ms" % x for x in range(100, 1100, 100)]

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

LIST_TIMEOUT = ["%s sec" % x for x in range(15, 615, 15)]

LIST_TXPOWER = ["High", "Low"]

LIST_VOICE = ["Off", "English", "Chinese"]

LIST_WORKMODE = ["Frequency", "Channel"]

LIST_DTMF_SPECIAL_DIGITS = [ "*", "#", "A", "B", "C", "D"]

LIST_DTMF_SPECIAL_VALUES = [ 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x00]

def model_match(cls, data):

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

    match_rid1 = False

    match_rid2 = False

    rid1 = data[0x1EF0:0x1EF7]

    if rid1 in cls._fileid:

        match_rid1 = True

    if match_rid1:

        return True

    else:

        return False

@directory.register

class UV5X3(baofeng_common.BaofengCommonHT):

    """BTech UV-5X3"""

    VENDOR = "BTECH"

    MODEL = "UV-5X3"

    _fileid = [UV5X3_fp3,

               UV5X3_fp2,

               UV5X3_fp1]

    _magic = [MSTRING_UV5X3, ]

    _magic_response_length = 14

    _fw_ver_start = 0x1EF0

    _recv_block_size = 0x40

    _mem_size = 0x2000

    _ack_block = True

    _ranges = [(0x0000, 0x0DF0),

               (0x0E00, 0x1800),

               (0x1EE0, 0x1EF0),

               (0x1F60, 0x1F90),

               (0x1FA0, 0x1FB0),

               (0x1FE0, 0x2000)]

    _send_block_size = 0x10

    MODES = ["FM", "NFM"]

    VALID_CHARS = chirp_common.CHARSET_ALPHANUMERIC + \

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

    LENGTH_NAME = 7

    SKIP_VALUES = ["", "S"]

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

    POWER_LEVELS = [chirp_common.PowerLevel("High", watts=5.00),

                    chirp_common.PowerLevel("Low", watts=1.00)]

    VALID_BANDS = [(130000000, 180000000),

                   (220000000, 226000000),

                   (400000000, 521000000)]

    PTTID_LIST = LIST_PTTID

    SCODE_LIST = LIST_SCODE

    MEM_FORMAT = """

    #seekto 0x0000;

    struct {

      lbcd rxfreq[4];

      lbcd txfreq[4];

      ul16 rxtone;

      ul16 txtone;

      u8 unknown0:4,

         scode:4;

      u8 unknown1;

      u8 unknown2:7,

         lowpower:1;

      u8 unknown3:1,

         wide:1,

         unknown4:2,

         bcl:1,

         scan:1,

         pttid:2;

    } memory[128];

    #seekto 0x0B00;

    struct {

      u8 code[16];

    } pttid[15];

    #seekto 0x0C80;

    struct {

      u8 inspection[8];

      u8 monitor[8];        

      u8 alarmcode[8];      

      u8 stun[8];           

      u8 kill[8];           

      u8 revive[8];         

      u8 code[7];           

      u8 unknown06;

      u8 dtmfon;            

      u8 dtmfoff;           

      u8 unused00:6,        

         aniid:2;

      u8 unknown07[5];

      u8 masterid[5];       

      u8 unknown08[3];

      u8 viceid[5];

      u8 unknown09[3];

      u8 unused01:7,

         mastervice:1;

      u8 unused02:3,     

         mrevive:1,

         mkill:1,

         mstun:1,

         mmonitor:1,

         minspection:1;

      u8 unused03:3,     

         vrevive:1,

         vkill:1,

         vstun:1,

         vmonitor:1,

         vinspection:1;

      u8 unused04:6,

         txdisable:1,

         rxdisable:1;

      u8 groupcode;

      u8 spacecode;

      u8 delayproctime;

      u8 resettime;

    } ani;

    #seekto 0x0E20;

    struct {

      u8 unused00:4,

         squelch:4;

      u8 unused01:5,     

         step:3;

      u8 unknown00;      

      u8 unused02:5,

         save:3;

      u8 unused03:4,

         vox:4;

      u8 unknown01;      

      u8 unused04:4,     

         abr:4;

      u8 unused05:7,     

         tdr:1;

      u8 unused06:7,     

         beep:1;

      u8 unused07:2,     

         timeout:6;

      u8 unknown02[4];

      u8 unused09:6,

         voice:2;

      u8 unknown03;      

      u8 unused10:6,

         dtmfst:2;

      u8 unknown04;

      u8 unused11:6,

         screv:2;

      u8 unused12:6,

         pttid:2;

      u8 unused13:2,

         pttlt:6;

      u8 unused14:6,

         mdfa:2;

      u8 unused15:6,

         mdfb:2;

      u8 unknown05;

      u8 unused16:7,

         sync:1;

      u8 unknown06[4];

      u8 unused17:6,

         wtled:2;

      u8 unused18:6,

         rxled:2;

      u8 unused19:6,

         txled:2;

      u8 unused20:6,

         almod:2;

      u8 unknown07;

      u8 unused21:6,

         tdrab:2;

      u8 unused22:7,

         ste:1;

      u8 unused23:4,

         rpste:4;

      u8 unused24:4,

         rptrl:4;

      u8 unused25:7,

         ponmsg:1;

      u8 unused26:7,

         roger:1;

      u8 unused27:7,

         dani:1;

      u8 unused28:2,

         dtmfg:6;

      u8 unknown08:6,    

         reset:1,

         unknown09:1;

      u8 unknown10[3];   

      u8 cht;            

      u8 unknown11[13];  

      u8 displayab:1,

         unknown12:2,

         fmradio:1,

         alarm:1,

         unknown13:2,

         menu:1;

      u8 unknown14;      

      u8 unused29:7,

         workmode:1;

      u8 unused30:7,

         keylock:1;

    } settings;

    #seekto 0x0E76;

    struct {

      u8 unused0:1,

         mrcha:7;

      u8 unused1:1,

         mrchb:7;

    } wmchannel;

    struct vfo {

      u8 unknown0[8];

      u8 freq[8];

      u8 offset[6];

      ul16 rxtone;

      ul16 txtone;

      u8 unused0:7,

         band:1;

      u8 unknown3;

      u8 unknown4:2,

         sftd:2,

         scode:4;

      u8 unknown5;

      u8 unknown6:1,

         step:3,

         unknown7:4;

      u8 txpower:1,

         widenarr:1,

         unknown8:6;

    };

    #seekto 0x0F00;

    struct {

      struct vfo a;

      struct vfo b;

    } vfo;

    #seekto 0x0F4E;

    u16 fm_presets;

    #seekto 0x1000;

    struct {

      char name[7];

      u8 unknown[9];

    } names[128];

    #seekto 0x1ED0;

    struct {

      char line1[7];

      char line2[7];

    } sixpoweron_msg;

    #seekto 0x1EF0;

    struct {

      char line1[7];

      char line2[7];

    } firmware_msg;

    struct squelch {

      u8 sql0;

      u8 sql1;

      u8 sql2;

      u8 sql3;

      u8 sql4;

      u8 sql5;

      u8 sql6;

      u8 sql7;

      u8 sql8;

      u8 sql9;

    };

    #seekto 0x1F60;

    struct {

      struct squelch vhf;

      u8 unknown0[6];

      u8 unknown1[16];

      struct squelch vhf2;

      u8 unknown2[6];

      u8 unknown3[16];

      struct squelch uhf;

    } squelch;

    #seekto 0x1FE0;

    struct {

      char line1[7];

      char line2[7];

    } poweron_msg;

    struct limit {

      u8 enable;

      bbcd lower[2];

      bbcd upper[2];

    };

    #seekto 0x1FF0;

    struct {

      struct limit vhf;

      struct limit vhf2;

      struct limit uhf;

    } limits;

    """

    @classmethod

    def get_prompts(cls):

        rp = chirp_common.RadioPrompts()

        rp.experimental = \

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

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

             )

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

            Follow these 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

            """))

        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

            """))

        return rp

    def process_mmap(self):

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

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

    def get_settings(self):

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

        _mem = self._memobj

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

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

        other = RadioSettingGroup("other", "Other Settings")

        work = RadioSettingGroup("work", "Work Mode Settings")

        fm_preset = RadioSettingGroup("fm_preset", "FM Preset")

        dtmfe = RadioSettingGroup("dtmfe", "DTMF Encode Settings")

        dtmfd = RadioSettingGroup("dtmfd", "DTMF Decode Settings")

        service = RadioSettingGroup("service", "Service Settings")

        top = RadioSettings(basic, advanced, other, work, fm_preset, dtmfe,

                            dtmfd, service)

        # Basic settings

        if _mem.settings.squelch > 0x09:

            val = 0x00

        else:

            val = _mem.settings.squelch

        rs = RadioSetting("settings.squelch", "Squelch",

                          RadioSettingValueList(

                              LIST_OFF1TO9, LIST_OFF1TO9[val]))

        basic.append(rs)

        if _mem.settings.save > 0x04:

            val = 0x00

        else:

            val = _mem.settings.save

        rs = RadioSetting("settings.save", "Battery Saver",

                          RadioSettingValueList(

                              LIST_SAVE, LIST_SAVE[val]))

        basic.append(rs)

        if _mem.settings.vox > 0x0A:

            val = 0x00

        else:

            val = _mem.settings.vox

        rs = RadioSetting("settings.vox", "Vox",

                          RadioSettingValueList(

                              LIST_OFF1TO10, LIST_OFF1TO10[val]))

        basic.append(rs)

        if _mem.settings.abr > 0x0A:

            val = 0x00

        else:

            val = _mem.settings.abr

        rs = RadioSetting("settings.abr", "Backlight Timeout",

                          RadioSettingValueList(

                              LIST_OFF1TO10, LIST_OFF1TO10[val]))

        basic.append(rs)

        rs = RadioSetting("settings.tdr", "Dual Watch",

                          RadioSettingValueBoolean(_mem.settings.tdr))

        basic.append(rs)

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

                           RadioSettingValueBoolean(_mem.settings.beep))

        basic.append(rs)

        if _mem.settings.timeout > 0x27:

            val = 0x03

        else:

            val = _mem.settings.timeout

        rs = RadioSetting("settings.timeout", "Timeout Timer",

                          RadioSettingValueList(

                              LIST_TIMEOUT, LIST_TIMEOUT[val]))

        basic.append(rs)

        if _mem.settings.voice > 0x02:

            val = 0x01

        else:

            val = _mem.settings.voice

        rs = RadioSetting("settings.voice", "Voice Prompt",

                          RadioSettingValueList(

                              LIST_VOICE, LIST_VOICE[val]))

        basic.append(rs)

        rs = RadioSetting("settings.dtmfst", "DTMF Sidetone",

                          RadioSettingValueList(LIST_DTMFST, LIST_DTMFST[

                              _mem.settings.dtmfst]))

        basic.append(rs)

        if _mem.settings.screv > 0x02:

            val = 0x01

        else:

            val = _mem.settings.screv

        rs = RadioSetting("settings.screv", "Scan Resume",

                          RadioSettingValueList(

                              LIST_RESUME, LIST_RESUME[val]))

        basic.append(rs)

        rs = RadioSetting("settings.pttid", "When to send PTT ID",

                          RadioSettingValueList(LIST_PTTID, LIST_PTTID[

                              _mem.settings.pttid]))

        basic.append(rs)

        if _mem.settings.pttlt > 0x1E:

            val = 0x05

        else:

            val = _mem.settings.pttlt

        rs = RadioSetting("pttlt", "PTT ID Delay",

                          RadioSettingValueInteger(0, 50, val))

        basic.append(rs)

        rs = RadioSetting("settings.mdfa", "Display Mode (A)",

                          RadioSettingValueList(LIST_MODE, LIST_MODE[

                              _mem.settings.mdfa]))

        basic.append(rs)

        rs = RadioSetting("settings.mdfb", "Display Mode (B)",

                          RadioSettingValueList(LIST_MODE, LIST_MODE[

                              _mem.settings.mdfb]))

        basic.append(rs)

        rs = RadioSetting("settings.sync", "Sync A & B",

                          RadioSettingValueBoolean(_mem.settings.sync))

        basic.append(rs)

        rs = RadioSetting("settings.wtled", "Standby LED Color",

                          RadioSettingValueList(

                              LIST_COLOR, LIST_COLOR[_mem.settings.wtled]))

        basic.append(rs)

        rs = RadioSetting("settings.rxled", "RX LED Color",

                          RadioSettingValueList(

                              LIST_COLOR, LIST_COLOR[_mem.settings.rxled]))

        basic.append(rs)

        rs = RadioSetting("settings.txled", "TX LED Color",

                          RadioSettingValueList(

                              LIST_COLOR, LIST_COLOR[_mem.settings.txled]))

        basic.append(rs)

        if _mem.settings.almod > 0x02:

            val = 0x00

        else:

            val = _mem.settings.almod

        rs = RadioSetting("settings.almod", "Alarm Mode",

                          RadioSettingValueList(

                              LIST_ALMOD, LIST_ALMOD[val]))

        basic.append(rs)

        if _mem.settings.tdrab > 0x02:

            val = 0x00

        else:

            val = _mem.settings.tdrab

        rs = RadioSetting("settings.tdrab", "Dual Watch TX Priority",

                          RadioSettingValueList(

                              LIST_OFFAB, LIST_OFFAB[val]))

        basic.append(rs)

        rs = RadioSetting("settings.ste", "Squelch Tail Eliminate (HT to HT)",

                          RadioSettingValueBoolean(_mem.settings.ste))

        basic.append(rs)

        if _mem.settings.rpste > 0x0A:

            val = 0x00

        else:

            val = _mem.settings.rpste

        rs = RadioSetting("settings.rpste",

                          "Squelch Tail Eliminate (repeater)",

                              RadioSettingValueList(

                              LIST_RPSTE, LIST_RPSTE[val]))

        basic.append(rs)

        if _mem.settings.rptrl > 0x0A:

            val = 0x00

        else:

            val = _mem.settings.rptrl

        rs = RadioSetting("settings.rptrl", "STE Repeater Delay",

                          RadioSettingValueList(

                              LIST_STEDELAY, LIST_STEDELAY[val]))

        basic.append(rs)

        rs = RadioSetting("settings.ponmsg", "Power-On Message",

                          RadioSettingValueList(LIST_PONMSG, LIST_PONMSG[

                              _mem.settings.ponmsg]))

        basic.append(rs)

        rs = RadioSetting("settings.roger", "Roger Beep",

                          RadioSettingValueBoolean(_mem.settings.roger))

        basic.append(rs)

        rs = RadioSetting("settings.dani", "Decode ANI",

                          RadioSettingValueBoolean(_mem.settings.dani))

        basic.append(rs)

        if _mem.settings.dtmfg > 0x3C:

            val = 0x14

        else:

            val = _mem.settings.dtmfg

        rs = RadioSetting("settings.dtmfg", "DTMF Gain",

                          RadioSettingValueInteger(0, 60, val))

        basic.append(rs)

        # Advanced settings

        rs = RadioSetting("settings.reset", "RESET Menu",

                          RadioSettingValueBoolean(_mem.settings.reset))

        advanced.append(rs)

        rs = RadioSetting("settings.menu", "All Menus",

                          RadioSettingValueBoolean(_mem.settings.menu))

        advanced.append(rs)

        rs = RadioSetting("settings.fmradio", "Broadcast FM Radio",

                          RadioSettingValueBoolean(_mem.settings.fmradio))

        advanced.append(rs)

        rs = RadioSetting("settings.alarm", "Alarm Sound",

                          RadioSettingValueBoolean(_mem.settings.alarm))

        advanced.append(rs)

        # Other settings

        def _filter(name):

            filtered = ""

            for char in str(name):

                if char in chirp_common.CHARSET_ASCII:

                    filtered += char

                else:

                    filtered += " "

            return filtered

        _msg = _mem.firmware_msg

        val = RadioSettingValueString(0, 7, _filter(_msg.line1))

        val.set_mutable(False)

        rs = RadioSetting("firmware_msg.line1", "Firmware Message 1", val)

        other.append(rs)

        val = RadioSettingValueString(0, 7, _filter(_msg.line2))

        val.set_mutable(False)

        rs = RadioSetting("firmware_msg.line2", "Firmware Message 2", val)

        other.append(rs)

        _msg = _mem.sixpoweron_msg

        val = RadioSettingValueString(0, 7, _filter(_msg.line1))

        val.set_mutable(False)

        rs = RadioSetting("sixpoweron_msg.line1", "6+Power-On Message 1", val)

        other.append(rs)

        val = RadioSettingValueString(0, 7, _filter(_msg.line2))

        val.set_mutable(False)

        rs = RadioSetting("sixpoweron_msg.line2", "6+Power-On Message 2", val)

        other.append(rs)

        _msg = _mem.poweron_msg

        rs = RadioSetting("poweron_msg.line1", "Power-On Message 1",

                          RadioSettingValueString(

                              0, 7, _filter(_msg.line1)))

        other.append(rs)

        rs = RadioSetting("poweron_msg.line2", "Power-On Message 2",

                          RadioSettingValueString(

                              0, 7, _filter(_msg.line2)))

        other.append(rs)

        if str(_mem.firmware_msg.line1) == ("UVVG302" or "5R31709"):

            lower = 136

            upper = 174

        else:

            lower = 130

            upper = 179

        rs = RadioSetting("limits.vhf.lower", "VHF Lower Limit (MHz)",

                          RadioSettingValueInteger(

                              lower, upper, _mem.limits.vhf.lower))

        other.append(rs)

        rs = RadioSetting("limits.vhf.upper", "VHF Upper Limit (MHz)",

                          RadioSettingValueInteger(

                              lower, upper, _mem.limits.vhf.upper))

        other.append(rs)

        if str(_mem.firmware_msg.line1) == "UVVG302":

            lower = 200

            upper = 230

        elif str(_mem.firmware_msg.line1) == "5R31709":

            lower = 200

            upper = 260

        else:

            lower = 220

            upper = 225

        rs = RadioSetting("limits.vhf2.lower", "VHF2 Lower Limit (MHz)",

                          RadioSettingValueInteger(

                              lower, upper, _mem.limits.vhf2.lower))

        other.append(rs)

        rs = RadioSetting("limits.vhf2.upper", "VHF2 Upper Limit (MHz)",

                          RadioSettingValueInteger(

                              lower, upper, _mem.limits.vhf2.upper))

        other.append(rs)

        if str(_mem.firmware_msg.line1) == "UVVG302":

            lower = 400

            upper = 480

        else:

            lower = 400

            upper = 520

        rs = RadioSetting("limits.uhf.lower", "UHF Lower Limit (MHz)",

                          RadioSettingValueInteger(

                              lower, upper, _mem.limits.uhf.lower))

        other.append(rs)

        rs = RadioSetting("limits.uhf.upper", "UHF Upper Limit (MHz)",

                          RadioSettingValueInteger(

                              lower, upper, _mem.limits.uhf.upper))

        other.append(rs)

        # Work mode settings

        rs = RadioSetting("settings.displayab", "Display",

                          RadioSettingValueList(

                              LIST_AB, LIST_AB[_mem.settings.displayab]))

        work.append(rs)

        rs = RadioSetting("settings.workmode", "VFO/MR Mode",

                          RadioSettingValueList(

                              LIST_WORKMODE,

                              LIST_WORKMODE[_mem.settings.workmode]))

        work.append(rs)

        rs = RadioSetting("settings.keylock", "Keypad Lock",

                          RadioSettingValueBoolean(_mem.settings.keylock))

        work.append(rs)

        rs = RadioSetting("wmchannel.mrcha", "MR A Channel",

                          RadioSettingValueInteger(0, 127,

                                                      _mem.wmchannel.mrcha))

        work.append(rs)

        rs = RadioSetting("wmchannel.mrchb", "MR B Channel",

                          RadioSettingValueInteger(0, 127,

                                                      _mem.wmchannel.mrchb))

        work.append(rs)

        def convert_bytes_to_freq(bytes):

            real_freq = 0

            for byte in bytes:

                real_freq = (real_freq * 10) + byte

            return chirp_common.format_freq(real_freq * 10)

        def my_validate(value):

            _vhf_lower = int(_mem.limits.vhf.lower)

            _vhf_upper = int(_mem.limits.vhf.upper)

            _vhf2_lower = int(_mem.limits.vhf2.lower)

            _vhf2_upper = int(_mem.limits.vhf2.upper)

            _uhf_lower = int(_mem.limits.uhf.lower)

            _uhf_upper = int(_mem.limits.uhf.upper)

            value = chirp_common.parse_freq(value)

            msg = ("Can't be less than %i.0000")

            if value > 99000000 and value < _vhf_lower * 1000000:

                raise InvalidValueError(msg % (_vhf_lower))

            msg = ("Can't be between %i.9975-%i.0000")

            if (_vhf_upper + 1) * 1000000 <= value and \

                value < _vhf2_lower * 1000000:

                raise InvalidValueError(msg % (_vhf_upper, _vhf2_lower))

            if (_vhf2_upper + 1) * 1000000 <= value and \

                value < _uhf_lower * 1000000:

                raise InvalidValueError(msg % (_vhf2_upper, _uhf_lower))

            msg = ("Can't be greater than %i.9975")

            if value > 99000000 and value >= (_uhf_upper + 1) * 1000000:

                raise InvalidValueError(msg % (_uhf_upper))

            return chirp_common.format_freq(value)

        def apply_freq(setting, obj):

            value = chirp_common.parse_freq(str(setting.value)) / 10

            for i in range(7, -1, -1):

                obj.freq[i] = value % 10

                value /= 10

        val1a = RadioSettingValueString(0, 10,

                                        convert_bytes_to_freq(_mem.vfo.a.freq))

        val1a.set_validate_callback(my_validate)

        rs = RadioSetting("vfo.a.freq", "VFO A Frequency", val1a)

        rs.set_apply_callback(apply_freq, _mem.vfo.a)

        work.append(rs)

        val1b = RadioSettingValueString(0, 10,

                                        convert_bytes_to_freq(_mem.vfo.b.freq))

        val1b.set_validate_callback(my_validate)

        rs = RadioSetting("vfo.b.freq", "VFO B Frequency", val1b)

        rs.set_apply_callback(apply_freq, _mem.vfo.b)

        work.append(rs)

        rs = RadioSetting("vfo.a.sftd", "VFO A Shift",

                          RadioSettingValueList(

                              LIST_SHIFTD, LIST_SHIFTD[_mem.vfo.a.sftd]))

        work.append(rs)

        rs = RadioSetting("vfo.b.sftd", "VFO B Shift",

                          RadioSettingValueList(

                              LIST_SHIFTD, LIST_SHIFTD[_mem.vfo.b.sftd]))

        work.append(rs)

        def convert_bytes_to_offset(bytes):

            real_offset = 0

            for byte in bytes:

                real_offset = (real_offset * 10) + byte

            return chirp_common.format_freq(real_offset * 1000)

        def apply_offset(setting, obj):

            value = chirp_common.parse_freq(str(setting.value)) / 1000

            for i in range(5, -1, -1):

                obj.offset[i] = value % 10

                value /= 10

        val1a = RadioSettingValueString(

                    0, 10, convert_bytes_to_offset(_mem.vfo.a.offset))

        rs = RadioSetting("vfo.a.offset",

                          "VFO A Offset", val1a)

        rs.set_apply_callback(apply_offset, _mem.vfo.a)

        work.append(rs)

        val1b = RadioSettingValueString(

                    0, 10, convert_bytes_to_offset(_mem.vfo.b.offset))

        rs = RadioSetting("vfo.b.offset",

                          "VFO B Offset", val1b)

        rs.set_apply_callback(apply_offset, _mem.vfo.b)

        work.append(rs)

        rs = RadioSetting("vfo.a.txpower", "VFO A Power",

                          RadioSettingValueList(

                              LIST_TXPOWER,

                              LIST_TXPOWER[_mem.vfo.a.txpower]))

        work.append(rs)

        rs = RadioSetting("vfo.b.txpower", "VFO B Power",

                          RadioSettingValueList(

                              LIST_TXPOWER,

                              LIST_TXPOWER[_mem.vfo.b.txpower]))

        work.append(rs)

        rs = RadioSetting("vfo.a.widenarr", "VFO A Bandwidth",

                          RadioSettingValueList(

                              LIST_BANDWIDTH,

                              LIST_BANDWIDTH[_mem.vfo.a.widenarr]))

        work.append(rs)

        rs = RadioSetting("vfo.b.widenarr", "VFO B Bandwidth",

                          RadioSettingValueList(

                              LIST_BANDWIDTH,

                              LIST_BANDWIDTH[_mem.vfo.b.widenarr]))

        work.append(rs)

        rs = RadioSetting("vfo.a.scode", "VFO A S-CODE",

                          RadioSettingValueList(

                              LIST_SCODE,

                              LIST_SCODE[_mem.vfo.a.scode]))

        work.append(rs)

        rs = RadioSetting("vfo.b.scode", "VFO B S-CODE",

                          RadioSettingValueList(

                              LIST_SCODE,

                              LIST_SCODE[_mem.vfo.b.scode]))

        work.append(rs)

        rs = RadioSetting("vfo.a.step", "VFO A Tuning Step",

                          RadioSettingValueList(

                              LIST_STEP, LIST_STEP[_mem.vfo.a.step]))

        work.append(rs)

        rs = RadioSetting("vfo.b.step", "VFO B Tuning Step",

                          RadioSettingValueList(

                              LIST_STEP, LIST_STEP[_mem.vfo.b.step]))