CHIRP

# Copyright 2018 Jim Lieb <lieb@sea-troll.net>

#

# Driver for Wouxon KG-UV9D Plus

#

# Borrowed from other chirp drivers, especially the KG-UV8D Plus

# by Krystian Struzik <toner_82@tlen.pl>

#

# 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 3 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/>.

"""Wouxun KG-UV9D Plus radio management module"""

import time

import os

import logging

import struct

import string

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

from chirp.settings import RadioSetting, RadioSettingValue, RadioSettingGroup, \

    RadioSettingValueBoolean, RadioSettingValueList, \

    RadioSettingValueInteger, RadioSettingValueString, \

    RadioSettings, InvalidValueError

LOG = logging.getLogger(__name__)

CMD_IDENT  = 0x80

CMD_HANGUP = 0x81

CMD_RCONF  = 0x82

CMD_WCONF  = 0x83

CMD_RCHAN  = 0x84

CMD_WCHAN  = 0x85

cmd_name = {

    CMD_IDENT  : "ident",

    CMD_HANGUP : "hangup",

    CMD_RCONF  : "read config",

    CMD_WCONF  : "write config",

    CMD_RCHAN  : "read channel memory",  # Unused

    CMD_WCHAN  : "write channel memory"  # Unused because it is a hack...

    } 

# This is used to write the configuration of the radio base on info gleaned

# from the downloaded app. There are empty spaces and we honor them because we

# don't know what they are (yet) although we read the whole of memory.

#

# Channel memory is separate. There are 1000 (1-999) channels. These are read/written

# to the radio in 4 channel (96 byte) records starting at address 0xa00 and ending at

# 0x4800 (presuming the end of channel 1000 is 0x4860-1

config_map = ( # map address, write size, write count

    (0x40,   16, 1),  # Passwords

    (0x740,  40, 1),  # FM chan 1-20

    (0x780,  16, 1),  # vfo-b-150

    (0x790,  16, 1),  # vfo-b-450

    (0x800,  16, 1),  # vfo-a-150

    (0x810,  16, 1),  # vfo-a-450

    (0x820,  16, 1),  # vfo-a-300

    (0x830,  16, 1),  # vfo-a-700

    (0x840,  16, 1),  # vfo-a-200

    (0x860,  16, 1),  # area-a-conf

    (0x870,  16, 1),  # area-b-conf

    (0x880,  16, 1),  # radio conf 0

    (0x890,  16, 1),  # radio conf 1

    (0x8a0,  16, 1),  # radio conf 2

    (0x8b0,  16, 1),  # radio conf 3

    (0x8c0,  16, 1),  # PTT-ANI

    (0x8d0,  16, 1),  # SCC

    (0x8e0,  16, 1),  # power save

    (0x8f0,  16, 1),  # Display banner

    (0x940,  64, 2),  # Scan groups and names

    (0xa00,  64, 249),# Memory Channels 1-996

    (0x4840, 48, 1),  #                 997-999

    (0x4900, 32, 249),#        Names    1-996

    (0x6820, 24, 1),  #                 997-999

    (0x7400, 64, 5),  # CALL-ID 1-20, names 1-20

    )

MEM_VALID = 0xfc

MEM_INVALID = 0xff

# Radio memory map. This matches the reads/writes above.

# structure elements whose name starts with x are currently unidentified

_MEM_FORMAT02 = """

#seekto 0x40;

struct {

    char reset[6];

    char x46[2];

    char mode_sw[6];

    char x4e;

}  passwords;

#seekto 0x740;

struct {

    u16 fm_freq;

} fm_chans[20];

// each band has its own configuration, essentially its default params

struct vfo {

    u32 freq;

    u32 offset;

    u16 encqt;

    u16 decqt;

    u8  bit7_4:3,

        qt:3,

        bit1_0:2;

    u8  bit7:1,

        scan:1,

        bit5:1,

        pwr:2,

        mod:1,

        bit1:1,

        fm_dev:1;

    u8  pad2:6,

        shift:2;

    u8  zeros;

};

#seekto 0x780;

struct {

    struct vfo band_150;

    struct vfo band_450;

} vfo_b;

#seekto 0x800;

struct {

    struct vfo band_150;

    struct vfo band_450;

    struct vfo band_300;

    struct vfo band_700;

    struct vfo band_200;

} vfo_a;

// There are two independent radios, aka areas (as described

// in the manual as the upper and lower portions of the display...

struct area_conf {

    u8 w_mode;

    u8 x861;

    u8 w_chan;

    u8 scan_grp;

    u8 bcl;

    u8 sql;

    u8 cset;

    u8 step;

    u8 scan_mode;

    u8 x869;

    u8 scan_range;

    u8 x86b;

    u8 x86c;

    u8 x86d;

    u8 x86e;

    u8 x86f;

};

#seekto 0x860;

struct area_conf a_conf;

#seekto 0x870;

struct area_conf b_conf;

#seekto 0x880;

struct {

    u8 menu_avail;

    u8 reset_avail;

    u8 x882;

    u8 x883;

    u8 lang;

    u8 x885;

    u8 beep;

    u8 auto_am;

    u8 qt_sw;

    u8 lock;

    u8 x88a;

    u8 pf1;

    u8 pf2;

    u8 pf3;

    u8 s_mute;

    u8 type_set;

    u8 tot;

    u8 toa;

    u8 ptt_id;

    u8 x893;

    u8 id_dly;

    u8 x895;

    u8 voice_sw;

    u8 s_tone;

    u8 abr_lvl;

    u8 ring_time;

    u8 roger;

    u8 x89b;

    u8 abr;

    u8 save_m;

    u8 lock_m;

    u8 auto_lk;

    u8 rpt_ptt;

    u8 rpt_spk;

    u8 rpt_rct;

    u8 prich_sw;

    u16 pri_ch;

    u8 x8a6;

    u8 x8a7;

    u8 dtmf_st;

    u8 dtmf_tx;

    u8 x8aa;

    u8 sc_qt;

    u8 apo_tmr;

    u8 vox_grd;

    u8 vox_dly;

    u8 rpt_kpt;

    struct {

        u16 scan_st;

        u16 scan_end;

    } a;

    struct {

        u16 scan_st;

        u16 scan_end;

    } b;

    u8 x8b8;

    u8 x8b9;

    u8 x8ba;

    u8 ponmsg;

    u8 blcdsw;

    u8 bledsw;

    u8 x8be;

    u8 x8bf;

} settings;

#seekto 0x8c0;

struct {

    u8 code[6];

    char x8c6[10];

} my_callid;

#seekto 0x8d0;

struct {

    u8 scc[6];

    char x8d6[10];

} stun;

#seekto 0x8e0;

struct {

    u16 wake;

    u16 sleep;

} save[4];

#seekto 0x8f0;

struct {

    char banner[16];

} display;

#seekto 0x940;

struct {

    struct {

        i16 scan_st;

        i16 scan_end;

    } addrs[10];

    u8 x0968[8];

    struct {

        char name[8];

    } names[10];

} scn_grps;

// this array of structs is marshalled via the R/WCHAN commands

#seekto 0xa00;

struct {

    u32 rxfreq;

    u32 txfreq;

    u16 encQT;

    u16 decQT;

    u8  bit7_5:3,  // all ones

        qt:3,

        bit1_0:2;

    u8  bit7:1,

        scan:1,

        bit5:1,

        pwr:2,

        mod:1,

        bit1:1,

        fm_dev:1;

    u8  state;

    u8  c3;

} chan_blk[999];

// nobody really sees this. It is marshalled with chan_blk in 4 entry chunks

#seekto 0x4900;

// Tracks with the index of  chan_blk[]

struct {

    char name[8];

} chan_name[999];

#seekto 0x7400;

struct {

    u8 cid[6];

    u8 pad[2];

}call_ids[20];

// This array tracks with the index of call_ids[]

struct {

    char name[6];

    char pad[2];

} cid_names[20];

    """

# Support for the Wouxun KG-UV9D Plus radio

# Serial coms are at 19200 baud

# The data is passed in variable length records

# Record structure:

#  Offset   Usage

#    0      start of record (\x7d)

#    1      Command (6 commands, see above)

#    2      direction (\xff PC-> Radio, \x00 Radio -> PC)

#    3      length of payload (excluding header/checksum) (n)

#    4      payload (n bytes)

#    4+n+1  checksum - byte sum (% 256) of bytes 1 -> 4+n

#

# Memory Read Records:

# the payload is 3 bytes, first 2 are offset (big endian),

# 3rd is number of bytes to read

# Memory Write Records:

# the maximum payload size (from the Wouxun software) seems to be 66 bytes

#  (2 bytes location + 64 bytes data).

def _pkt_encode(op, payload):

    """Assemble a packet for the radio and encode it for transmission.

    Yes indeed, the checksum we store is only 4 bits. Why, I suspect it's a bug in

    the radio firmware guys didn't want to fix, i.e. a typo 0xff -> 0xf..."""

    data = bytearray()

    data.append(0x7d) # tag that marks the beginning of the packet

    data.append(op)

    data.append(0xff) # 0xff is from app to radio

    # calc checksum from op to end

    cksum = op + 0xff

    if (payload):

        data.append(len(payload))

        cksum += len(payload)

        for byte in payload:

            cksum += byte

            data.append(byte)

    else:

        data.append(0x00)

    data.append(cksum & 0xf) # Yea, this is a 4 bit cksum (also known as a bug)

    # now obfuscate by an xor starting with first payload byte ^ 0x52

    # including the trailing cksum.

    xorbits = 0x52

    for i, byte in enumerate(data[4:]):

        xord = xorbits ^ byte

        data[i + 4] = xord

        xorbits = xord

    return(data)

def _pkt_decode(data):

    """Take a packet hot off the wire and decode it into clear text and return the fields.

    We say <<cleartext>> here because all it turns out to be is annoying obfuscation.

    This is the inverse of pkt_decode"""

    # we don't care about data[0]. It is always 0x7d and not included in checksum

    op = data[1]

    direction = data[2]

    bytecount = data[3]

    # First un-obfuscate the payload and cksum

    payload = bytearray()

    xorbits = 0x52

    for i, byte in enumerate(data[4:]):

        payload.append(xorbits ^ byte)

        xorbits = byte

    # Calculate the checksum starting with the 3 bytes of the header

    cksum = op + direction + bytecount

    for byte in payload[:-1]:

        cksum += byte

    cksum_match = (cksum & 0xf) == payload[-1] # yes, a 4 bit cksum to match the encode

    if (not cksum_match):

        LOG.debug("Checksum missmatch: %x != %x; " % (cksum, payload[-1]))

    return (cksum_match, op, payload[:-1])

# UI callbacks to process input for mapping UI fields to memory cells

def freq2int(val, min, max):

    """Convert a frequency as a string to a u32. Units is Hz

    """

    _freq = chirp_common.parse_freq(str(val))

    if _freq > max or _freq < min:

        raise InvalidValueError("Frequency %s is not with in %s-%s" %

                                (chirp_common.format_freq(_freq),

                                 chirp_common.format_freq(min),

                                 chirp_common.format_freq(max)))

    return _freq

def int2freq(freq):

    """

    Convert a u32 frequency to a string for UI data entry/display

    This is stored in the radio as units of 10Hz which we compensate to Hz.

    A value of -1 indicates <no freqency>, i.e. unused channel.

    """

    if (int(freq) > 0):

        f = chirp_common.format_freq(freq)

        return f

    else:

        return ""

def freq2short(val, min, max):

    """Convert a frequency as a string to a u16 which is units of 10KHz

    """

    _freq = chirp_common.parse_freq(str(val))

    if _freq > max or _freq < min:

        raise InvalidValueError("Frequency %s is not with in %s-%s" %

                                (chirp_common.format_freq(_freq),

                                 chirp_common.format_freq(min),

                                 chirp_common.format_freq(max)))

    return _freq/100000 & 0xFFFF

def short2freq(freq):

    """

       Convert a short frequency to a string for UI data entry/display

       This is stored in the radio as units of 10KHz which we compensate to Hz.

       A value of -1 indicates <no frequency>, i.e. unused channel.

    """

    if (int(freq) > 0):

        f = chirp_common.format_freq(freq *100000)

        return f

    else:

        return ""

def tone2short(t):

    """Convert a string tone or DCS to an encoded u16

    """

    tone = str(t)

    if tone == "----":

        u16tone = 0x0000

    elif tone[0] == 'D': # This is a DCS code

        c = tone[1: -1]

        code = int(c, 8)

        if tone[-1] == 'I':

            code |= 0x4000

        u16tone = code | 0x8000

    else:              # This is an analog CTCSS

        u16tone = int(tone[0:-2]+tone[-1]) & 0xffff # strip the '.'

    return u16tone

def short2tone(tone):

    """ Map a binary CTCSS/DCS to a string name for the tone

    """

    if tone == 0 or tone == 0xffff:

        ret = "----"

    else:

        code = tone & 0x3fff

        if tone & 0x8000: # This is a DCS

            if tone & 0x4000: #This is an inverse code

                ret = "D%0.3oI" % code

            else:

                ret = "D%0.3oN" % code

        else:   # Just plain old analog CTCSS

            ret = "%4.1f" % (code / 10.0)

    return ret

def callid2str(cid):

    """Caller ID per MDC-1200 spec? Must be 3-6 digits (100 - 999999).

       One digit (binary) per byte, terminated with '0xc'

    """

    bin2ascii = " 1234567890"

    cidstr = ""

    for i in range(0, 6):

        b = cid[i].get_value()

        if b == 0xc: # the cid EOL

            break;

        if b == 0 or b > 0xa:

            raise InvalidValueError("Caller ID code has illegal byte 0x%x" % b)

        cidstr += bin2ascii[b]

    return cidstr

def str2callid(val):

    """ Convert caller id strings from callid2str.

    """

    ascii2bin = "0123456789"

    s = str(val).strip()

    if len(s) < 3 or len(s) > 6:

        raise InvalidValueError("Caller ID must be at least 3 and no more than 6 digits")

    if s[0] == '0':

        raise InvalidValueError("First digit of a Caller ID cannot be a zero '0'")

    blk = bytearray()

    for c in s:

        if c not in ascii2bin:

            raise InvalidValueError("Caller ID must be all digits 0x%x" % c)

        b = (0xa, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x9)[int(c)]

        blk.append(b)

    if len(blk) < 6:

        blk.append(0xc) # EOL a short ID

    if len(blk) < 6:

        for i in range(0, (6 - len(blk))):

            blk.append(0xf0)

    return blk

def digits2str(digits, padding=' ', width=6):

    """Convert a password or SCC digit string to a string

    Passwords are expanded to and must be 6 chars. Fill them with '0'

    """

    bin2ascii = "0123456789"

    digitsstr = ""

    for i in range(0, 6):

        b = digits[i].get_value()

        if b == 0xc: # the digits EOL

            break;

        if b >= 0xa:

            raise InvalidValueError("Value has illegal byte 0x%x" % ord(b))

        digitsstr += bin2ascii[b]

    digitsstr = digitsstr.ljust(width, padding)

    return digitsstr

def str2digits(val):

    """ Callback for edited strings from digits2str.

    """

    ascii2bin = " 0123456789"

    s = str(val).strip()

    if len(s) < 3 or len(s) > 6:

        raise InvalidValueError("Value must be at least 3 and no more than 6 digits")

    blk = bytearray()

    for c in s:

        if c not in ascii2bin:

            raise InvalidValueError("Value must be all digits 0x%x" % c)

        blk.append(int(c))

    for i in range(len(blk), 6):

        blk.append(0xc) # EOL a short ID

    return blk

def name2str(name):

    """ Convert a callid or scan group name to a string

    Deal with fixed field padding (\0 or \0xff)

    """

    namestr = ""

    for i in range(0, len(name)):

        b = ord(name[i].get_value())

        if b != 0 and b != 0xff:

            namestr += chr(b)

    return namestr

def str2name(val, size=6, fillchar='\0', emptyfill='\0'):

    """ Convert a string to a name. A name is a 6 element bytearray

    with ascii chars.

    """

    val = str(val).rstrip(' \t\r\n\0\0xff')

    if len(val) == 0:

        name = "".ljust(size, emptyfill)

    else:

        name = val.ljust(size, fillchar)

    return name

def pw2str(pw):

    """Convert a password string (6 digits) to a string

    Passwords must be 6 digits. If it is shorter, pad right with '0'

    """

    pwstr = ""

    ascii2bin = "0123456789"

    for i in range(0, len(pw)):

        b = pw[i].get_value()

        if b not in ascii2bin:

            raise InvalidValueError("Value must be digits 0-9")

        pwstr += b

    pwstr = pwstr.ljust(6, '0')

    return pwstr

def str2pw(val):

    """Store a password from UI to memory obj

    If we clear the password (make it go away), change the

    empty string to '000000' since the radio must have *something*

    Also, fill a < 6 digit pw with 0's

    """

    ascii2bin = "0123456789"

    val = str(val).rstrip(' \t\r\n\0\0xff')

    if len(val) == 0: # a null password

        val = "000000"

    for i in range(0, len(val)):

        b = val[i]

        if b not in ascii2bin:

            raise InvalidValueError("Value must be digits 0-9")

    if len(val) == 0:

        pw = "".ljust(6, '\0')

    else:

        pw = val.ljust(6, '0')

    return pw

# Helpers to replace python2 things like confused str/byte

def _hex_print(data, addrfmt=None):

    """Return a hexdump-like encoding of @data

    We expect data to be a bytearray, not a string.

    Expanded from borrowed code to use the first 2 bytes as the address

    per comm packet format.

    """

    if addrfmt is None:

        addrfmt = '%(addr)03i'

        addr = 0

    else: # assume first 2 bytes are address

        a = struct.unpack(">H", data[0:2])

        addr = a[0]

        data = data[2:]

    block_size = 16

    lines = (len(data) / block_size)

    if (len(data) % block_size > 0):

        lines += 1

    out = ""

    left = len(data)

    for block in range(0, lines):

        addr += block * block_size

        try:

            out += addrfmt % locals()

        except (OverflowError, ValueError, TypeError, KeyError):

            out += "%03i" % addr

        out += ': '

        if left < block_size:

            limit = left

        else:

            limit = block_size

        for j in range(0, block_size):

            if (j < limit):

                out += "%02x " % data[(block * block_size) + j]

            else:

                out += "   "

        out += "  "

        for j in range(0, block_size):

            if (j < limit):

                _byte = data[(block * block_size) + j]

                if _byte >= 0x20 and _byte < 0x7F:

                    out += "%s" % chr(_byte)

                else:

                    out += "."

            else:

                out += " "

        out += "\n"

        if (left > block_size):

            left -= block_size

    return out

# Useful UI lists

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

S_TONES = [str(x) for x in [1000, 1450, 1750, 2100]]

STEP_LIST = [str(x)+"kHz" for x in STEPS]

ROGER_LIST = ["Off", "Begin", "End", "Both"]

TIMEOUT_LIST = [str(x) + "s" for x in range(15, 601, 15)]

TOA_LIST = ["Off"] + ["%ds" % t for t in range(1, 10)]

BANDWIDTH_LIST = ["Wide", "Narrow"]

LANGUAGE_LIST = ["English", "Chinese"]

PF1KEY_LIST = ["OFF", "call id", "r-alarm", "SOS", "SF-TX"]

PF2KEY_LIST = ["OFF", "Scan", "Second", "lamp", "SDF-DIR", "K-lamp"]

PF3KEY_LIST = ["OFF", "Call ID", "R-ALARM", "SOS","SF-TX"]

WORKMODE_LIST = ["VFO freq", "Channel No.", "Ch. No.+Freq.", "Ch. No.+Name"]

BACKLIGHT_LIST = ["Off"] + ["%sS" % t for t in range(1, 31)] + ["Always On"]

SAVE_MODES = ["Off", "1", "2", "3", "4"]

LOCK_MODES = ["key-lk", "key+pg", "key+ptt", "all"]

APO_TIMES = ["Off"] + ["%dm" % t for t in range(15, 151, 15)]

OFFSET_LIST = ["none", "+", "-"]

PONMSG_LIST = ["Battery Volts", "Bitmap"]

SPMUTE_LIST = ["QT", "QT*T", "QT&T"]

DTMFST_LIST = ["Off", "DT-ST", "ANI-ST", "DT-ANI"]

DTMF_TIMES = ["%d" % x for x in range(80, 501, 20)]

PTTID_LIST = ["Off", "Begin", "End", "Both"]

ID_DLY_LIST = ["%dms" % t for t in range(100, 3001, 100)]

VOX_GRDS = ["Off"] + ["%dlevel" % l for l in range(1,11)]

VOX_DLYS = ["Off"] + ["%ds" %t for t in range(1, 5)]

RPT_KPTS = ["Off"] + ["%dms" % t for t in range(100, 5001, 100)]

LIST_1_5 = ["%s" % x for x in range(1,6)]

LIST_0_9 = ["%s" % x for x in range(0, 10)]

LIST_1_20 = ["%s" % x for x in range(1, 21)]

LIST_OFF_10 = ["Off"] + ["%s" % x for x in range(1, 11)]

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

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

SCANRANGE_LIST = ["Current band", "freq range", "ALL"]

SCQT_LIST = ["Decoder", "Encoder", "Both"]

S_MUTE_LIST = ["off", "rx mute", "tx mute", "r/t mute"]

POWER_LIST = ["Low", "Med", "High"]

RPTMODE_LIST = ["Radio", "One direction Repeater", "Two direction repeater"]

TONE_LIST = ["----"] + ["%s" % str(t) for t in chirp_common.TONES] + \

            ["D%0.3dN" % dts for dts in chirp_common.DTCS_CODES] + \

            ["D%0.3dI" % dts for dts in chirp_common.DTCS_CODES]

@directory.register

class KGUV9DPlusRadio(chirp_common.CloneModeRadio,

                  chirp_common.ExperimentalRadio):

    """Wouxun KG-UV9D Plus"""

    VENDOR = "Wouxun"

    MODEL = "KG-UV9D Plus"

    _model = "KG-UV9D"

    _rev = "00"  # default rev for the radio I know about...

    _file_ident = "kg-uv9d"

    BAUD_RATE = 19200

    POWER_LEVELS = [chirp_common.PowerLevel("L", watts=1),

                    chirp_common.PowerLevel("M", watts=2),

                    chirp_common.PowerLevel("H", watts=5)]

    _mmap = ""

    def _read_record(self):

        """ Read and validate the header of a radio reply.

        A record is a formatted byte stream as follows:

            0x7D   All records start with this

            opcode This is in the set of legal commands. The radio reply matches the request

            dir    This is the direction, 0xFF to the radio, 0x00 from the radio.

            cnt    Count of bytes in payload (not including the trailing checksum byte)

        """

        data = bytearray(self.pipe.read(4)) # first get the header and validate it

        if (len(data) < 4):

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

        if (data[0] != 0x7D):

            raise errors.RadioError('Radio reply garbled (%02x)' % data[0])

        if (data[1] not in cmd_name):

            raise errors.RadioError("Unrecognized opcode (%02x)" % data[1])

        if (data[2] != 0x00):

            raise errors.RadioError("Direction incorrect. Got (%02x)" % data[2])

        payload_len = data[3]

        data.extend(self.pipe.read(payload_len + 1)) # don't forget to read the checksum byte

        if (len(data) != (payload_len + 5)):  # we got a short read

            raise errors.RadioError("Radio reply wrong size. Wanted %d, got %d" %

                                    ((payload_len + 1), (len(data) - 4)))

        return _pkt_decode(data)

    def _write_record(self, cmd, payload = None):

        """ Write a request packet to the radio.

        """

        packet = _pkt_encode(cmd, payload)

        self.pipe.write(packet)

    @classmethod

    def match_model(cls, filedata, filename):

        """Look for bits in the file image and see if it looks like ours...

        TODO: there is a bunch of rubbish between 0x50 and 0x160 that is still an known unknown

        """

        return cls._file_ident in filedata[0x51:0x59].lower()

    def _identify(self):

        """ Identify the radio

        The ident block identifies the radio and its capabilities. This block is always 78 bytes

        The rev == '01' is the base radio and '02' seems to be the '-Plus' version

        I don't really trust the content after the model and revision. One would assume this is

        pretty much constant data but I have seen differences between my radio and the dump named

        KG-UV9D-Plus-OutOfBox-Read.txt from bug #3509. The first five bands match the OEM windows

        app except the 350-400 band. The OOB trace has the 700MHz band different.

        TODO: This could be smarter and reject a radio not actually a UV9D...

        """

        for _i in range(0, 10):  # retry 10 times just in case we get junk until sync'd up

            self._write_record(CMD_IDENT)

            chksum_match, op, _resp = self._read_record()

            if len(_resp) == 0:

                raise Exception("Radio not responding")

            if len(_resp) != 74:

                LOG.error("Expected and IDENT reply of 78 bytes. Got (%d)" % len(_resp))

                continue

            if not chksum_match:

                LOG.error("Checksum error: retrying ident...")

                time.sleep(0.100)

                continue

            if op != CMD_IDENT:

                LOG.error("Expected IDENT reply. Got (%02x)" % op)

                continue

            LOG.debug("Got:\n%s" % _hex_print(_resp))

            (mod, rev) = struct.unpack(">7s2s", _resp[0:9])

            LOG.debug("Model %s, rev %s" % (mod, rev))

            if mod == self._model:

                self._rev = rev

                return

            else:

                raise Exception("Unable to identify radio")

        raise Exception("All retries to identify failed")

    def process_mmap(self):

        if self._rev == "02" or self._rev == "00":

            self._memobj = bitwise.parse(_MEM_FORMAT02, self._mmap)

        else: ## this is where you elif the other variants and non-Plus radios

            raise errors.RadioError("Unrecognized model variation (%s). No memory map for it" %

                                    self._rev)

    def sync_in(self):

        """ Public sync_in

            Download contents of the radio. Throw errors back to the core if the radio does

            not respond.

            """

        try:

            self._identify()

            self._mmap = self._do_download()

            self._write_record(CMD_HANGUP)

        except errors.RadioError:

            raise

        except Exception, e:

            LOG.exception('Unknown error during download process')

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

        self.process_mmap()

    def sync_out(self):

        """ Public sync_out

            Upload the modified memory image into the radio.

            """

        try:

            self._identify()

            self._do_upload()

            self._write_record(CMD_HANGUP)

        except errors.RadioError:

            raise

        except Exception, e:

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

        return

    def _do_download(self):

        """ Read the whole of radio memory in 64 byte chunks.

        We load the config space followed by loading memory channels. The radio seems

        to be a "clone" type and the memory channels are actually within the config space.

        There are separate commands (CMD_RCHAN, CMD_WCHAN) for reading channel memory but

        these seem to be a hack that can only do 4 channels at a time. Since the radio only

        supports 999, (can only support 3 chars in the display UI?) although the vendors

        app reads 1000 channels, it hacks back to config writes (CMD_WCONF) for the last 3

        channels and names. We keep it simple and just read the whole thing even though

        the vendor app doesn't. Channels are separate in their app simply

        because the radio protocol has read/write commands to access it. What they do

        is simply marshal the frequency+mode bits in 4 channel chunks followed by a separate

        chunk of for names. In config space, they are two separate arrays 1..999. Given that

        this space is not a multiple of 4, there is hackery on upload to do the writes to

        config space. See upload for this.

        """

        mem = bytearray(0x8000)  # The radio's memory map is 32k

        for addr in range(0, 0x8000, 64):

            req = bytearray(struct.pack(">HB", addr, 64))

            self._write_record(CMD_RCONF, req)

            chksum_match, op, resp = self._read_record()

            if not chksum_match:

                LOG.debug(_hex_print(resp))

                raise Exception("Checksum error while reading configuration (0x%x)" % addr)

            pa = struct.unpack(">H", resp[0:2])

            pkt_addr = pa[0]

            payload = resp[2:]

            if op != CMD_RCONF or addr != pkt_addr:

                raise Exception("Expected CMD_RCONF (%x) reply. Got (%02x: %x)" %

                                (addr, op, pkt_addr))

            LOG.debug("Config read (0x%x):\n%s" % (addr, _hex_print(resp, '0x%(addr)04x')))

            for i in range(0, len(payload) - 1):

                mem[addr + i] = payload[i]

            if self.status_fn:

                status = chirp_common.Status()

                status.cur = addr

                status.max = 0x8000

                status.msg = "Cloning from radio"

                self.status_fn(status)

        strmem = "".join([chr(x) for x in mem])

        return memmap.MemoryMap(strmem)

    def _do_upload(self):

        """Walk through the config map and write updated records to the radio. The

        config map contains only the regions we know about. We don't use the channel

        memory commands to avoid the hackery of using config write commands to fill

        in the last 3 channel memory and names slots. As we discover other useful goodies

        in the map, we can add more slots...

        """

        for ar,size, count in config_map:

            for addr in range(ar, ar +(size*count), size):

                req = bytearray(struct.pack(">H", addr))

                req.extend(self.get_mmap()[addr:addr + size])

                self._write_record(CMD_WCONF, req)

                LOG.debug("Config write (0x%x):\n%s" % (addr, _hex_print(req)))

                chksum_match, op, ack = self._read_record()

                LOG.debug("Config write ack [%x]\n%s" % (addr, _hex_print(ack)))

                a = struct.unpack(">H", ack) # big endian int()...

                ack = a[0]

                if not chksum_match or op != CMD_WCONF or addr != ack:

                    msg = ""

                    if not chksum_match:

                        msg += "Checksum err, "

                    if op != CMD_WCONF:

                        msg += "cmd mismatch %x != %x, " % (op, CMD_WCONF)

                    if addr != ack:

                        msg += "ack error %x != %x, " % (addr, ack)

                    raise Exception("Radio did not ack block: %s error" % msg)

                if self.status_fn:

                    status = chirp_common.Status()

                    status.cur = addr

                    status.max = 0x8000

                    status.msg = "Update radio"

                    self.status_fn(status)

    def get_features(self):

        """ Public get_features

            Return the features of this radio once we have identified it and

            gotten its bits

            """

        rf = chirp_common.RadioFeatures()

        rf.has_settings = True

        rf.has_ctone = True

        rf.has_rx_dtcs = True

        rf.has_cross = True

        rf.has_tuning_step = False

        rf.has_bank = False

        rf.can_odd_split = True

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

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

        rf.valid_cross_modes = [

            "Tone->Tone",

            "Tone->DTCS",

            "DTCS->Tone",

            "DTCS->",

            "->Tone",

            "->DTCS",

            "DTCS->DTCS",

        ]

        rf.valid_modes = ["FM", "NFM", "AM"]

        rf.valid_power_levels = self.POWER_LEVELS

        rf.valid_name_length = 8

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

        rf.valid_bands = [(108000000, 136000000),  # Aircraft (receive only AM)

                          (136000000, 180000000),  # supports 2m

                          (230000000, 250000000),

                          (350000000, 400000000),

                          (400000000, 520000000),  # supports 70cm

                          (700000000, 985000000)]

        rf.valid_characters = chirp_common.CHARSET_ASCII

        rf.memory_bounds = (1, 999)  # 999 memories

        return rf

    @classmethod

    def get_prompts(cls):

        rp = chirp_common.RadioPrompts()

        rp.experimental = ("This radio driver is currently under development. "

                           "There are no known issues with it, but you should "

                           "proceed with caution.")

        return rp

    def get_raw_memory(self, number):

        return repr(self._memobj.chan_blk[number])

    def _get_tone(self, _mem, mem):

        """Decode both the encode and decode CTSS/DCS codes from the memory channel

        and stuff them into the UI memory channel row.

        """

        txtone = short2tone(_mem.encQT)

        rxtone = short2tone(_mem.decQT)

        polarity = "NN"

        if txtone == "----":

            txmode = ""

        elif txtone[0] == "D":

            mem.tx_dtcs = int(txtone[1,-1])

            polarity[0] = txtone[-1]

            txmode = "DTCS"

        else:

            mem.rtone = float(txtone)

            txmode = "Tone"

        if rxtone == "----":

            rxmode = ""

        elif rxtone[0] == "D":

            mem.rx_dtcs = int(rxtone[1,4])

            polarity[1] = rxtone[-1]

            rxmode = "DTCS"

        else:

            mem.ctone = float(rxtone)

            rxmode = "Tone"

        if txmode == "Tone" and len(rxmode) == 0:

            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 (len(rxmode) + len(txmode)) > 0:

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

        mem.dtcs_polarity = polarity

        LOG.debug("_get_tone: Got TX %s (%i) RX %s (%i)" %

                  (txmode, _mem.encQT, rxmode, _mem.decQT))

    def get_memory(self, number):

        """ Public get_memory

            Return the channel memory referenced by number to the UI.

        """

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

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

        mem = chirp_common.Memory()

        mem.number = number

        _valid = _mem.state

        if _valid != MEM_VALID:

            mem.empty = True

            return mem

        else:

            mem.empty = False

        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 abs(int(_mem.rxfreq) * 10 - int(_mem.txfreq) * 10) > 70000000:

            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 _nam.name:

            if char != 0:

                mem.name += chr(char)

        mem.name = mem.name.rstrip()

        self._get_tone(_mem, mem)

        mem.skip = "" if bool(_mem.scan) else "S"

        mem.power = self.POWER_LEVELS[_mem.pwr]

        if _mem.mod == 1:

            mem.mode = "AM"

        elif _mem.fm_dev == 0:

            mem.mode = "FM"

        else:

            mem.mode = "NFM"

        #  qt has no home in the UI

        return mem

    def _set_tone(self, mem, _mem):

        """Update the memory channel block CTCC/DCS tones from the UI fields

        """

        def _set_dcs(code, pol):

            val = int("%i" % code, 8) + 0x8000

            if pol == "R":

                val += 0x4000

            return val

        rx_mode = tx_mode = None

        rxtone = txtone = 0x0000

        if mem.tmode == "Tone":

            tx_mode = "Tone"

            txtone = int(mem.rtone * 10)

        elif mem.tmode == "TSQL":

            rx_mode = tx_mode = "Tone"

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

        elif mem.tmode == "DTCS":

            tx_mode = rx_mode = "DTCS"

            txtone = _set_dcs(mem.dtcs, mem.dtcs_polarity[0])

            rxtone = _set_dcs(mem.dtcs, mem.dtcs_polarity[1])

        elif mem.tmode == "Cross":

            tx_mode, rx_mode = mem.cross_mode.split("->")

            if tx_mode == "DTCS":

                txtone = _set_dcs(mem.dtcs, mem.dtcs_polarity[0])

            elif tx_mode == "Tone":

                txtone = int(mem.rtone * 10)

            if rx_mode == "DTCS":

                rxtone = _set_dcs(mem.rx_dtcs, mem.dtcs_polarity[1])

            elif rx_mode == "Tone":

                rxtone = int(mem.ctone * 10)

        _mem.decQT = rxtone

        _mem.encQT = txtone

        LOG.debug("Set TX %s (%i) RX %s (%i)" %

                  (tx_mode, _mem.encQT, rx_mode, _mem.decQT))

    def set_memory(self, mem):

        """ Public set_memory

            Inverse of get_memory. Update the radio memory image from the

            mem object

            """

        number = mem.number

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

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

        if mem.empty:

            _mem.set_raw("\xFF" * (_mem.size() / 8))

            _nam.name = str2name("", 8, '\0', '\0')

            _mem.state = MEM_INVALID

            return

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

        if mem.duplex == "off":

            _mem.txfreq = 0xFFFFFFFF

        elif mem.duplex == "split":

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

        elif mem.duplex == "+":

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

        elif mem.duplex == "-":

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

        else:

            _mem.txfreq = int(mem.freq / 10)

        _mem.scan = int(mem.skip != "S")

        if mem.mode == "FM":

            _mem.mod == 0    # make sure forced AM is off

            _mem.fm_dev = 0

        elif mem.mode == "NFM":

            _mem.mod = 0

            _mem.fm_dev = 1

        elif mem.mode == "AM":

            _mem.mod = 1     # AM on

            _mem.fm_dev = 0  # default to wide FM bandwidth

        else:

            _mem.mod = 0

            _mem.fm_dev = 0  # default is wide FM

        _mem.fm_dev = int(mem.mode != "FM")

        # set the tone

        self._set_tone(mem, _mem)

        # set the power

        if mem.power:

            _mem.pwr = self.POWER_LEVELS.index(mem.power)

        else:

            _mem.pwr = True

        # Set fields we can't access via the UI table to safe defaults

        _mem.qt = 0   # mute mode to QT

        _nam.name = str2name(mem.name, 8, '\0', '\0')

        _mem.state = MEM_VALID

## Build the UI configuration tabs

## the channel memory tab is built by the core. We have no control over it

    def _core_tab(self):

        """ Build Core Configuration tab

        Radio settings common to all modes and areas go here.

        """

        s = self._memobj.settings

        cf = RadioSettingGroup("cfg_grp", "Configuration")

        cf.append(RadioSetting("auto_am",

                               "Auto detect AM(53)",

                               RadioSettingValueBoolean(s.auto_am)))

        cf.append(RadioSetting("qt_sw",

                               "Scan tone detect(59)",

                               RadioSettingValueBoolean(s.qt_sw)))

        cf.append(RadioSetting("s_mute",

                               "SubFreq Mute(60)",

                               RadioSettingValueList(S_MUTE_LIST,

                                                     S_MUTE_LIST[s.s_mute])))

        cf.append(RadioSetting("tot",

                               "Transmit timeout Timer(10)",

                               RadioSettingValueList(TIMEOUT_LIST,

                                                     TIMEOUT_LIST[s.tot])))

        cf.append(RadioSetting("toa",

                               "Transmit Timeout Alarm(11)",

                               RadioSettingValueList(TOA_LIST, TOA_LIST[s.toa])))

        cf.append(RadioSetting("ptt_id",

                               "PTT Caller ID mode(23)",

                               RadioSettingValueList(PTTID_LIST,

                                                     PTTID_LIST[s.ptt_id])))

        cf.append(RadioSetting("id_dly",

                               "Caller ID Delay time(25)",

                               RadioSettingValueList(ID_DLY_LIST,

                                                     ID_DLY_LIST[s.id_dly])))

        cf.append(RadioSetting("voice_sw",

                               "Voice Guide(12)",

                               RadioSettingValueBoolean(s.voice_sw)))

        cf.append(RadioSetting("beep",

                               "Keypad Beep(13)",

                               RadioSettingValueBoolean(s.beep)))

        cf.append(RadioSetting("s_tone",

                               "Side Tone(36)",

                               RadioSettingValueList(S_TONES,

                                                     S_TONES[s.s_tone])))

        cf.append(RadioSetting("ring_time",

                               "Ring Time(26)",

                               RadioSettingValueList(LIST_OFF_10,

                                                     LIST_OFF_10[s.ring_time])))

        cf.append(RadioSetting("roger",

                               "Roger Beep(9)",

                               RadioSettingValueList(ROGER_LIST, 

                                                     ROGER_LIST[s.roger])))

        cf.append(RadioSetting("blcdsw",

                               "Backlight(41)",

                               RadioSettingValueBoolean(s.blcdsw)))

        cf.append(RadioSetting("abr",

                               "Auto Backlight Time(1)",

                               RadioSettingValueList(BACKLIGHT_LIST,

                                                     BACKLIGHT_LIST[s.abr])))

        cf.append(RadioSetting("abr_lvl",

                               "Backlight Brightness(27)",

                               RadioSettingValueList(LIST_1_5,

                                                     LIST_1_5[s.abr_lvl])))

        cf.append(RadioSetting("lock",

                               "Keypad Lock",

                               RadioSettingValueBoolean(s.lock)))

        cf.append(RadioSetting("lock_m",

                               "Keypad Lock Mode(35)",

                               RadioSettingValueList(LOCK_MODES,

                                                     LOCK_MODES[s.lock_m])))

        cf.append(RadioSetting("auto_lk",

                               "Keypad Autolock(34)",

                               RadioSettingValueBoolean(s.auto_lk)))

        cf.append(RadioSetting("prich_sw",

                               "Priority Channel Scan(33)",

                               RadioSettingValueBoolean(s.prich_sw)))

        cf.append(RadioSetting("pri_ch",

                               "Priority Channel(32)",

                               RadioSettingValueInteger(1, 999, s.pri_ch)))

        cf.append(RadioSetting("dtmf_st",

                               "DTMF Sidetone(22)",

                               RadioSettingValueList(DTMFST_LIST,

                                                     DTMFST_LIST[s.dtmf_st])))

        cf.append(RadioSetting("sc_qt",

                               "Scan QT Save Mode(38)",

                               RadioSettingValueList(SCQT_LIST,

                                                     SCQT_LIST[s.sc_qt])))

        cf.append(RadioSetting("apo_tmr",

                               "Automatic Power-off(39)",

                               RadioSettingValueList(APO_TIMES,

                                                     APO_TIMES[s.apo_tmr])))

        cf.append(RadioSetting("vox_grd",

                               "VOX level(7)", # VOX "guard" is really VOX trigger audio level

                               RadioSettingValueList(VOX_GRDS,

                                                     VOX_GRDS[s.vox_grd])))

        cf.append(RadioSetting("vox_dly",

                               "VOX Delay(37)",

                               RadioSettingValueList(VOX_DLYS,

                                                     VOX_DLYS[s.vox_dly])))

        cf.append(RadioSetting("lang",

                               "Menu Language(14)",

                               RadioSettingValueList(LANGUAGE_LIST,

                                                     LANGUAGE_LIST[s.lang])))

        cf.append(RadioSetting("ponmsg",

                               "Poweron message(40)",

                               RadioSettingValueList(

                                   PONMSG_LIST, PONMSG_LIST[s.ponmsg])))

        cf.append(RadioSetting("bledsw",

                               "Receive LED(42)",

                               RadioSettingValueBoolean(s.bledsw)))

        return cf

    def _repeater_tab(self):

        """Repeater mode functions

        """

        s = self._memobj.settings

        cf = RadioSettingGroup("repeater", "Repeater Functions")

        cf.append(RadioSetting("type_set",

                               "Radio Mode(43)",

                               RadioSettingValueList(RPTMODE_LIST,

                                                     RPTMODE_LIST[s.type_set])))

        cf.append(RadioSetting("rpt_ptt",

                               "Repeater PTT(45)",

                               RadioSettingValueBoolean(s.rpt_ptt)))

        cf.append(RadioSetting("rpt_spk",

                               "Repeater Mode Speaker(44)",

                               RadioSettingValueBoolean(s.rpt_spk)))

        cf.append(RadioSetting("rpt_kpt",

                               "Repeater Hold Time(46)",

                               RadioSettingValueList(RPT_KPTS,

                                                     RPT_KPTS[s.rpt_kpt])))

        cf.append(RadioSetting("rpt_rct",

                               "Repeater Receipt Tone(47)",

                               RadioSettingValueBoolean(s.rpt_rct)))

        return cf

    def _admin_tab(self):

        """Admin functions not present in radio menu...

        These are admin functions not radio operation configuration

        """

        def apply_cid(setting, obj):

            c = str2callid(setting.value)

            obj.code = c

        def apply_scc(setting, obj):

            c = str2digits(setting.value)

            obj.scc = c

        def apply_mode_sw(setting, obj):

            pw = str2pw(setting.value)

            obj.mode_sw = pw

            setting.value = pw2str(obj.mode_sw)

        def apply_reset(setting, obj):

            pw = str2pw(setting.value)

            obj.reset = pw

            setting.value = pw2str(obj.reset)

        def apply_wake(setting, obj):

            obj.wake = int(setting.value)/10

        def apply_sleep(setting, obj):

            obj.sleep = int(setting.value)/10

        pw = self._memobj.passwords  # admin passwords

        s = self._memobj.settings

        cf = RadioSettingGroup("admin", "Admin Functions")

        cf.append(RadioSetting("menu_avail",

                               "Menu available in channel mode",

                               RadioSettingValueBoolean(s.menu_avail)))

        mode_sw = RadioSettingValueString(0, 6, pw2str(pw.mode_sw), False)

        rs = RadioSetting("passwords.mode_sw", "Mode Switch Password", mode_sw)

        rs.set_apply_callback(apply_mode_sw, pw)

        cf.append(rs)

        cf.append(RadioSetting("reset_avail",

                               "Radio Reset Available",

                               RadioSettingValueBoolean(s.reset_avail)))

        reset = RadioSettingValueString(0, 6, pw2str(pw.reset), False)

        rs = RadioSetting("passwords.reset", "Radio Reset Password", reset)

        rs.set_apply_callback(apply_reset, pw)

        cf.append(rs)

        cf.append(RadioSetting("dtmf_tx",

                               "DTMF Tx Duration",

                               RadioSettingValueList(DTMF_TIMES,

                                                     DTMF_TIMES[s.dtmf_tx])))

        cid = self._memobj.my_callid

        my_callid = RadioSettingValueString(3, 6, callid2str(cid.code), False)

        rs = RadioSetting("my_callid.code", "PTT Caller ID code(24)", my_callid)

        rs.set_apply_callback(apply_cid, cid)

        cf.append(rs)

        stun = self._memobj.stun

        st = RadioSettingValueString(0, 6, digits2str(stun.scc), False)

        rs = RadioSetting("stun.scc", "Security code", st)

        rs.set_apply_callback(apply_scc, stun)

        cf.append(rs)

        cf.append(RadioSetting("settings.save_m",

                               "Save Mode (2)",

                               RadioSettingValueList(SAVE_MODES,

                                                     SAVE_MODES[s.save_m])))

        for i in range(0,4):

            sm = self._memobj.save[i]

            wake = RadioSettingValueInteger(0, 18000, sm.wake * 10, 1)

            wf = RadioSetting("save[%i].wake" % i, "Save Mode %d Wake Time" % (i+1), wake)

            wf.set_apply_callback(apply_wake, sm)

            cf.append(wf)

            slp = RadioSettingValueInteger(0, 18000, sm.sleep * 10, 1)

            wf = RadioSetting("save[%i].sleep" % i, "Save Mode %d Sleep Time" % (i+1), slp)

            wf.set_apply_callback(apply_sleep, sm)

            cf.append(wf)

        _msg = str(self._memobj.display.banner).split("\0")[0]

        val = RadioSettingValueString(0, 16, _msg)

        val.set_mutable(True)

        cf.append(RadioSetting("display.banner", "Display Message", val))

        return cf

    def _fm_tab(self):

        """FM Broadcast channels

        """

        def apply_fm(setting, obj):

            f = freq2short(setting.value, 76000000, 108000000)

            obj.fm_freq = f

        fm = RadioSettingGroup("fm_chans", "FM Broadcast")

        for ch in range(0,20):

            chan = self._memobj.fm_chans[ch]

            freq = RadioSettingValueString(0,20, short2freq(chan.fm_freq))

            rs = RadioSetting("fm_%d" % (ch + 1),

                                   "FM Channel %d" % (ch + 1), freq)

            rs.set_apply_callback(apply_fm, chan)

            fm.append(rs)

        return fm

    def _scan_grp(self):

        """Scan groups

        """

        def apply_name(setting, obj):

            name = str2name(setting.value, 8, '\0', '\0')

            obj.name = name

        def apply_start(setting, obj):

            """Do a callback to deal with RadioSettingInteger limitation

            on memory address resolution

            """

            obj.scan_st = int(setting.value)

        def apply_end(setting, obj):

            """Do a callback to deal with RadioSettingInteger limitation

            on memory address resolution

            """

            obj.scan_end = int(setting.value)

        sgrp = self._memobj.scn_grps

        scan = RadioSettingGroup("scn_grps", "Channel Scanner Groups")

        for i in range(0, 10):

            s_grp = sgrp.addrs[i]

            s_name = sgrp.names[i]

            rs_name = RadioSettingValueString(0, 8, name2str(s_name.name))

            rs = RadioSetting("scn_grps.names[%i].name" % i,

                              "Group %i Name" % (i + 1), rs_name)

            rs.set_apply_callback(apply_name, s_name)

            scan.append(rs)

            rs_st = RadioSettingValueInteger(1, 999, s_grp.scan_st)

            rs = RadioSetting("scn_grps.addrs[%i].scan_st" % i,

                              "Starting Channel", rs_st)

            rs.set_apply_callback(apply_start, s_grp)

            scan.append(rs)

            rs_end = RadioSettingValueInteger(1, 999, s_grp.scan_end)

            rs = RadioSetting("scn_grps.addrs[%i].scan_end" % i,

                              "Last Channel", rs_end)

            rs.set_apply_callback(apply_end, s_grp)

            scan.append(rs)

        return scan

    def _callid_grp(self):

        """Caller IDs to be recognized by radio

        This really should be a table in the UI

        """

        def apply_callid(setting, obj):

            c = str2callid(setting.value)

            obj.cid = c

        def apply_name(setting, obj):

            name = str2name(setting.value, 6, '\0', '\xff')

            obj.name = name

        cid = RadioSettingGroup("callids", "Caller IDs")

        for i in range(0, 20):

            callid = self._memobj.call_ids[i]

            name = self._memobj.cid_names[i]

            c_name = RadioSettingValueString(0, 6, name2str(name.name))

            rs = RadioSetting("cid_names[%i].name" % i,