CHIRP

# Version 1.0 for TYT-UV88

# Initial radio protocol decode, channels and memory layout

# by James Berry <james@coppermoth.com>, Summer 2020

# Additional configuration and help, Jim Unroe <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.

import time

import struct

import logging

import re

import math

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

LOG = logging.getLogger(__name__)

MEM_FORMAT = """

struct chns {

  ul32 rxfreq;

  ul32 txfreq;

  ul16 scramble:4

       rxtone:12; //decode:12

  ul16 decodeDSCI:1

       encodeDSCI:1

       unk1:1

       unk2:1

       txtone:12; //encode:12

  u8   power:2

       wide:2

       b_lock:2

       unk3:2;

  u8   unk4:3

       signal:2

       displayName:1

       unk5:2;

  u8   unk6:2

       pttid:2

       step:4;               // not required

  u8   name[6];

};

struct vfo {

  ul32 rxfreq;

  ul32 txfreq;  // displayed as an offset

  ul16 scramble:4

       rxtone:12; //decode:12

  ul16 decodeDSCI:1

       encodeDSCI:1

       unk1:1

       unk2:1

       txtone:12; //encode:12

  u8   power:2

       wide:2

       b_lock:2

       unk3:2;

  u8   unk4:3

       signal:2

       displayName:1

       unk5:2;

  u8   unk6:2

       pttid:2

       step:4;

  u8   name[6];

};

struct chname {

  u8  extra_name[10];

};

#seekto 0x0000;

struct chns chan_mem[199];

#seekto 0x1960;

struct chname chan_name[199];

#seekto 0x1180;

struct {

  u8 bitmap[26];    // one bit for each channel marked in use

} chan_avail;

#seekto 0x11A0;

struct {

  u8 bitmap[26];    // one bit for each channel skipped

} chan_skip;

#seekto 0x1140;

struct {

  u8 autoKeylock:1,       // 0x1140 [18] *OFF, On

     unk_bit6_5:1,        //

     vfomrmodeb:1,        //        *VFO B, MR B

     vfomrmode:1,         //        *VFO, MR

     unk_bit3_0:4;        //

  u8 mrAch;               // 0x1141 MR A Channel #

  u8 mrBch;               // 0x1142 MR B Channel #

  u8 unk_bit7_3:5,        //

     ab:1,                //        * A, B

     unk_bit1_0:2;        //

} workmodesettings;

#seekto 0x1160;

struct {

  u8 introScreen1[12];    // 0x1160 *Intro Screen Line 1(truncated to 12 alpha

                          //         text characters)

  u8 offFreqVoltage : 3,  // 0x116C unknown referred to in code but not on

                          //        screen

     unk_bit4 : 1,        //

     sqlLevel : 4;        //        [05] *OFF, 1-9

  u8 beep : 1             // 0x116D [09] *OFF, On

     callKind : 2,        //        code says 1750,2100,1000,1450 as options

                          //        not on screen

     introScreen: 2,      //        [20] *OFF, Voltage, Char String

     unkstr2: 2,          //

     txChSelect : 1;      //        [02] *Last CH, Main CH

  u8 autoPowOff : 3,      // 0x116E not on screen? OFF, 30Min, 1HR, 2HR

     unk : 1,             //

     tot : 4;             //        [11] *OFF, 30 Second, 60 Second, 90 Second,

                          //              ... , 270 Second

  u8 unk_bit7:1,          // 0x116F

     roger:1,             //        [14] *OFF, On

     dailDef:1,           //        Unknown - 'Volume, Frequency'

     language:1,          //        ?Chinese, English (English only FW BQ1.38+)

     unk_bit3:1,          //

     endToneElim:1,       //        *OFF, Frequency

     unkCheckBox1:1,      //

     unkCheckBox2:1;      //

  u8 scanResumeTime : 2,  // 0x1170 2S, 5S, 10S, 15S (not on screen)

     disMode : 2,         //        [33] *Frequency, Channel, Name

     scanType: 2,         //        [17] *To, Co, Se

     ledMode: 2;          //        [07] *Off, On, Auto

  u8 unky;                // 0x1171

  u8 str6;                // 0x1172 Has flags to do with logging - factory

                          // enabled (bits 16,64,128)

  u8 unk;                 // 0x1173

  u8 swAudio : 1,         // 0x1174 [19] *OFF, On

     radioMoni : 1,       //        [34] *OFF, On

     keylock : 1,         //        [18] *OFF, On

     dualWait : 1,        //        [06] *OFF, On

     unk_bit3 : 1,        //

     light : 3;           //        [08] *1, 2, 3, 4, 5, 6, 7

  u8 voxSw : 1,           // 0x1175 [13] *OFF, On

     voxDelay: 4,         //        *0.5S, 1.0S, 1.5S, 2.0S, 2.5S, 3.0S, 3.5S,

                          //         4.0S, 4.5S, 5.0S

     voxLevel : 3;        //        [03] *1, 2, 3, 4, 5, 6, 7

  u8 str9 : 4,            // 0x1176

     saveMode : 2,        //        [16] *OFF, 1:1, 1:2, 1:4

     keyMode : 2;         //        [32] *ALL, PTT, KEY, Key & Side Key

  u8 unk2;                // 0x1177

  u8 unk3;                // 0x1178

  u8 unk4;                // 0x1179

  u8 name2[6];            // 0x117A unused

} basicsettings;

#seekto 0x191E;

struct {

  u8 unknown191e:4,       //

     region:4;            // 0x191E Radio Region (read only)

                          // 0 = Unlocked  TX: 136-174 MHz / 400-480 MHz

                          // 2-3 = Unknown

                          // 3 = EU        TX: 144-146 MHz / 430-440 MHz

                          // 4 = US        TX: 144-148 MHz / 420-450 MHz

                          // 5-15 = Unknown

} settings2;

#seekto 0x1940;

struct {

  char name1[15];         // Intro Screen Line 1 (16 alpha text characters)

  u8 unk1;

  char name2[15];         // Intro Screen Line 2 (16 alpha text characters)

  u8 unk2;

} openradioname;

"""

MEM_SIZE = 0x22A0

BLOCK_SIZE = 0x20

STIMEOUT = 2

BAUDRATE = 57600

# Channel power: 3 levels

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

                chirp_common.PowerLevel("Mid", watts=2.50),

                chirp_common.PowerLevel("Low", watts=0.50)]

SCRAMBLE_LIST = ["OFF", "1", "2", "3", "4", "5", "6", "7", "8"]

B_LOCK_LIST = ["OFF", "Sub", "Carrier"]

OPTSIG_LIST = ["OFF", "DTMF", "2TONE", "5TONE"]

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

STEPS = [2.5, 5.0, 6.25, 10.0, 12.5, 25.0, 50.0, 100.0]

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

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 Exception:

        _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 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 Exception:

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

def _make_read_frame(addr, length):

    frame = "\xFE\xFE\xEE\xEF\xEB"

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

    frame += struct.pack(">ih", addr, length)

    frame += "\xFD"

    # Return the data

    return frame

def _make_write_frame(addr, length, data=""):

    frame = "\xFE\xFE\xEE\xEF\xE4"

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

    output = struct.pack(">ih", addr, length)

    # Add the data if set

    if len(data) != 0:

        output += data

    frame += output

    frame += _calculate_checksum(output)

    frame += "\xFD"

    # Return the data

    return frame

def _calculate_checksum(data):

    num = 0

    for x in range(0, len(data)):

        num = (num + ord(data[x])) % 256

    if num == 0:

        return chr(0)

    return chr(256 - num)

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"""

    radio.pipe.baudrate = BAUDRATE

    radio.pipe.parity = "N"

    radio.pipe.timeout = STIMEOUT

    # Flush input buffer

    _clean_buffer(radio)

    # Ident radio

    magic = radio._magic0

    _rawsend(radio, magic)

    ack = _rawrecv(radio, 36)

    if not ack.startswith(radio._fingerprint) or not ack.endswith("\xFD"):

        _exit_program_mode(radio)

        if ack:

            LOG.debug(repr(ack))

        raise errors.RadioError("Radio did not respond as expected (A)")

    return True

def _exit_program_mode(radio):

    # This may be the last part of a read

    magic = radio._magic5

    _rawsend(radio, magic)

    ack = _rawrecv(radio, 7)

    if ack != "\xFE\xFE\xEF\xEE\xE6\x00\xFD":

        _exit_program_mode(radio)

        if ack:

            LOG.debug(repr(ack))

        raise errors.RadioError("Radio did not respond as expected (B)")

def _download(radio):

    """Get the memory map"""

    # Put radio in program mode and identify it

    _do_ident(radio)

    # Enter read mode

    magic = radio._magic2

    _rawsend(radio, magic)

    ack = _rawrecv(radio, 7)

    if ack != "\xFE\xFE\xEF\xEE\xE6\x00\xFD":

        _exit_program_mode(radio)

        if ack:

            LOG.debug(repr(ack))

        raise errors.RadioError("Radio did not respond to enter read mode")

    # 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_read_frame(addr, BLOCK_SIZE)

        # DEBUG

        LOG.debug("Frame=" + util.hexprint(frame))

        # Sending the read request

        _rawsend(radio, frame)

        # Now we read data

        d = _recv(radio, addr, BLOCK_SIZE + 13)

        LOG.debug("Response Data= " + util.hexprint(d))

        if not d.startswith("\xFE\xFE\xEF\xEE\xE4"):

            LOG.warning("Incorrect start")

        if not d.endswith("\xFD"):

            LOG.warning("Incorrect end")

        # could validate the block data

        # Aggregate the data

        data += d[11:-2]

        # UI Update

        status.cur = addr / BLOCK_SIZE

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

        radio.status_fn(status)

    _exit_program_mode(radio)

    return data

def _upload(radio):

    """Upload procedure"""

    # Put radio in program mode and identify it

    _do_ident(radio)

    magic = radio._magic3

    _rawsend(radio, magic)

    ack = _rawrecv(radio, 7)

    if ack != "\xFE\xFE\xEF\xEE\xE6\x00\xFD":

        _exit_program_mode(radio)

        if ack:

            LOG.debug(repr(ack))

        raise errors.RadioError("Radio did not respond to enter write mode")

    # 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):

        # Official programmer skips writing these memory locations

        if addr >= 0x1680 and addr < 0x1940:

            continue

        # Sending the data

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

        frame = _make_write_frame(addr, BLOCK_SIZE, data)

        LOG.warning("Frame:%s:" % util.hexprint(frame))

        _rawsend(radio, frame)

        ack = _rawrecv(radio, 7)

        LOG.debug("Response Data= " + util.hexprint(ack))

        if not ack.startswith("\xFE\xFE\xEF\xEE\xE6\x00\xFD"):

            LOG.warning("Unexpected response")

            _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 _do_map(chn, sclr, mary):

    """Set or Clear the chn (1-128) bit in mary[] word array map"""

    # chn is 1-based channel, sclr:1 = set, 0= = clear, 2= return state

    # mary[] is u8 array, but the map is by nibbles

    ndx = int(math.floor((chn - 1) / 8))

    bv = (chn - 1) % 8

    msk = 1 << bv

    mapbit = sclr

    if sclr == 1:    # Set the bit

        mary[ndx] = mary[ndx] | msk

    elif sclr == 0:  # clear

        mary[ndx] = mary[ndx] & (~ msk)     # ~ is complement

    else:       # return current bit state

        mapbit = 0

        if (mary[ndx] & msk) > 0:

            mapbit = 1

    return mapbit

@directory.register

class THUV88Radio(chirp_common.CloneModeRadio):

    """TYT UV88 Radio"""

    VENDOR = "TYT"

    MODEL = "TH-UV88"

    MODES = ['WFM', 'FM', 'NFM']

    TONES = chirp_common.TONES

    DTCS_CODES = chirp_common.DTCS_CODES

    NAME_LENGTH = 10

    DTMF_CHARS = list("0123456789ABCD*#")

    # 136-174, 400-480

    VALID_BANDS = [(136000000, 174000000), (400000000, 480000000)]

    # Valid chars on the LCD

    VALID_CHARS = chirp_common.CHARSET_ALPHANUMERIC + \

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

    _magic0 = "\xFE\xFE\xEE\xEF\xE0" + "UV88" + "\xFD"

    _magic2 = "\xFE\xFE\xEE\xEF\xE2" + "UV88" + "\xFD"

    _magic3 = "\xFE\xFE\xEE\xEF\xE3" + "UV88" + "\xFD"

    _magic5 = "\xFE\xFE\xEE\xEF\xE5" + "UV88" + "\xFD"

    _fingerprint = "\xFE\xFE\xEF\xEE\xE1" + "UV88"

    @classmethod

    def get_prompts(cls):

        rp = chirp_common.RadioPrompts()

        rp.info = \

            (cls.VENDOR + ' ' + cls.MODEL + '\n')

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

            This is an early stage beta driver

            """))

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

            This is an early stage beta driver - upload at your own risk

            """))

        return rp

    def get_features(self):

        rf = chirp_common.RadioFeatures()

        rf.has_settings = True

        rf.has_bank = False

        rf.has_comment = False

        rf.has_tuning_step = False      # Not as chan feature

        rf.valid_tuning_steps = STEPS

        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 = False

        rf.valid_name_length = self.NAME_LENGTH

        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 = POWER_LEVELS

        rf.valid_dtcs_codes = chirp_common.ALL_DTCS_CODES  # this is just to

        # get it working, not sure this is right

        rf.valid_bands = self.VALID_BANDS

        rf.memory_bounds = (1, 199)

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

        return rf

    def sync_in(self):

        """Download from radio"""

        try:

            data = _download(self)

        except errors.RadioError:

            # Pass through any real errors we raise

            raise

        except Exception:

            # 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 Exception:

            # 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):

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

    def set_memory(self, memory):

        """A value in a UI column for chan 'number' has been modified."""

        # update all raw channel memory values (_mem) from UI (mem)

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

        _name = self._memobj.chan_name[memory.number - 1]

        if memory.empty:

            _do_map(memory.number, 0, self._memobj.chan_avail.bitmap)

            return

        _do_map(memory.number, 1, self._memobj.chan_avail.bitmap)

        if memory.skip == "":

            _do_map(memory.number, 1, self._memobj.chan_skip.bitmap)

        else:

            _do_map(memory.number, 0, self._memobj.chan_skip.bitmap)

        return self._set_memory(memory, _mem, _name)

    def get_memory(self, number):

        # radio first channel is 1, mem map is base 0

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

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

        mem = chirp_common.Memory()

        mem.number = number

        # Determine if channel is empty

        if _do_map(number, 2, self._memobj.chan_avail.bitmap) == 0:

            mem.empty = True

            return mem

        if _do_map(mem.number, 2, self._memobj.chan_skip.bitmap) > 0:

            mem.skip = ""

        else:

            mem.skip = "S"

        return self._get_memory(mem, _mem, _name)

    def _get_memory(self, mem, _mem, _name):

        """Convert raw channel memory data into UI columns"""

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

        mem.empty = False

        # This function process both 'normal' and Freq up/down' entries

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

        if _mem.txfreq == 0xFFFFFFFF:

            # TX freq not set

            mem.duplex = "off"

            mem.offset = 0

        elif abs(int(_mem.rxfreq) * 10 - int(_mem.txfreq) * 10) > 25000000:

            mem.duplex = "split"

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

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

            mem.duplex = ""

            mem.offset = 0

        else:

            mem.duplex = int(_mem.rxfreq) > int(_mem.txfreq) \

                and "-" or "+"

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

        mem.name = ""

        for i in range(6):   # 0 - 6

            mem.name += chr(_mem.name[i])

        for i in range(10):

            mem.name += chr(_name.extra_name[i])

        mem.name = mem.name.rstrip()    # remove trailing spaces

        # ########## TONE ##########

        if _mem.txtone > 2600:

            # All off

            txmode = ""

        elif _mem.txtone > 511:

            txmode = "Tone"

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

        else:

            # DTSC

            txmode = "DTCS"

            mem.dtcs = int(format(int(_mem.txtone), 'o'))

        if _mem.rxtone > 2600:

            rxmode = ""

        elif _mem.rxtone > 511:

            rxmode = "Tone"

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

        else:

            rxmode = "DTCS"

            mem.rx_dtcs = int(format(int(_mem.rxtone), 'o'))

        mem.dtcs_polarity = ("N", "R")[_mem.encodeDSCI] + (

                             "N", "R")[_mem.decodeDSCI]

        mem.tmode = ""

        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)

        # ########## TONE ##########

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

        mem.power = POWER_LEVELS[int(_mem.power)]

        b_lock = RadioSetting("b_lock", "B_Lock",

                              RadioSettingValueList(B_LOCK_LIST,

                                                    B_LOCK_LIST[_mem.b_lock]))

        mem.extra.append(b_lock)

        b_lock = RadioSetting("step", "Step",

                              RadioSettingValueList(LIST_STEPS,

                                                    LIST_STEPS[_mem.step]))

        mem.extra.append(b_lock)

        scramble_value = _mem.scramble

        if scramble_value >= 8:     # Looks like OFF is 0x0f ** CONFIRM

            scramble_value = 0

        scramble = RadioSetting("scramble", "Scramble",

                                RadioSettingValueList(SCRAMBLE_LIST,

                                                      SCRAMBLE_LIST[

                                                          scramble_value]))

        mem.extra.append(scramble)

        optsig = RadioSetting("signal", "Optional signaling",

                              RadioSettingValueList(

                                  OPTSIG_LIST,

                                  OPTSIG_LIST[_mem.signal]))

        mem.extra.append(optsig)

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

                          RadioSettingValueList(PTTID_LIST,

                                                PTTID_LIST[_mem.pttid]))

        mem.extra.append(rs)

        return mem

    def _set_memory(self, mem, _mem, _name):

        # """Convert UI column data (mem) into MEM_FORMAT memory (_mem)."""

        _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.rxfreq

        out_name = mem.name.ljust(16)

        for i in range(6):   # 0 - 6

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

        for i in range(10):

            _name.extra_name[i] = ord(out_name[i+6])

        if mem.name != "":

            _mem.displayName = 1    # Name only displayed if this is set on

        else:

            _mem.displayName = 0

        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 mem.dtcs_polarity[1] == "N":

            _mem.decodeDSCI = 0

        else:

            _mem.decodeDSCI = 1

        if rxmode == "":

            _mem.rxtone = 0xFFF

        elif rxmode == "Tone":

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

        elif rxmode == "DTCSSQL":

            _mem.rxtone = int(str(mem.dtcs), 8)

        elif rxmode == "DTCS":

            _mem.rxtone = int(str(mem.rx_dtcs), 8)

        if mem.dtcs_polarity[0] == "N":

            _mem.encodeDSCI = 0

        else:

            _mem.encodeDSCI = 1

        if txmode == "":

            _mem.txtone = 0xFFF

        elif txmode == "Tone":

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

        elif txmode == "TSQL":

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

        elif txmode == "DTCS":

            _mem.txtone = int(str(mem.dtcs), 8)

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

        _mem.power = 0 if mem.power is None else POWER_LEVELS.index(mem.power)

        for element in mem.extra:

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

        return

    def get_settings(self):

        """Translate the MEM_FORMAT structs into setstuf in the UI"""

        _settings = self._memobj.basicsettings

        _settings2 = self._memobj.settings2

        _workmode = self._memobj.workmodesettings

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

        group = RadioSettings(basic)

        # Menu 02 - TX Channel Select

        options = ["Last Channel", "Main Channel"]

        rx = RadioSettingValueList(options, options[_settings.txChSelect])

        rset = RadioSetting("basicsettings.txChSelect",

                            "Priority Transmit", rx)

        basic.append(rset)

        # Menu 03 - VOX Level

        rx = RadioSettingValueInteger(1, 7, _settings.voxLevel + 1)

        rset = RadioSetting("basicsettings.voxLevel", "Vox Level", rx)

        basic.append(rset)

        # Menu 05 - Squelch Level

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

        rx = RadioSettingValueList(options, options[_settings.sqlLevel])

        rset = RadioSetting("basicsettings.sqlLevel", "Squelch Level", rx)

        basic.append(rset)

        # Menu 06 - Dual Wait

        rx = RadioSettingValueBoolean(_settings.dualWait)

        rset = RadioSetting("basicsettings.dualWait", "Dual Wait/Standby", rx)

        basic.append(rset)

        # Menu 07 - LED Mode

        options = ["Off", "On", "Auto"]

        rx = RadioSettingValueList(options, options[_settings.ledMode])

        rset = RadioSetting("basicsettings.ledMode", "LED Display Mode", rx)

        basic.append(rset)

        # Menu 08 - Light

        options = ["%s" % x for x in range(1, 8)]

        rx = RadioSettingValueList(options, options[_settings.light])

        rset = RadioSetting("basicsettings.light",

                            "Background Light Color", rx)

        basic.append(rset)

        # Menu 09 - Beep

        rx = RadioSettingValueBoolean(_settings.beep)

        rset = RadioSetting("basicsettings.beep", "Keypad Beep", rx)

        basic.append(rset)

        # Menu 11 - TOT

        options = ["Off"] + ["%s seconds" % x for x in range(30, 300, 30)]

        rx = RadioSettingValueList(options, options[_settings.tot])

        rset = RadioSetting("basicsettings.tot",

                            "Transmission Time-out Timer", rx)

        basic.append(rset)

        # Menu 13 - VOX Switch

        rx = RadioSettingValueBoolean(_settings.voxSw)

        rset = RadioSetting("basicsettings.voxSw", "Vox Switch", rx)

        basic.append(rset)

        # Menu 14 - Roger

        rx = RadioSettingValueBoolean(_settings.roger)

        rset = RadioSetting("basicsettings.roger", "Roger Beep", rx)

        basic.append(rset)

        # Menu 16 - Save Mode

        options = ["Off", "1:1", "1:2", "1:4"]

        rx = RadioSettingValueList(options, options[_settings.saveMode])

        rset = RadioSetting("basicsettings.saveMode", "Battery Save Mode", rx)

        basic.append(rset)

        # Menu 17 - Scan Type

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

        rx = RadioSettingValueList(options, options[_settings.scanType])