CHIRP

# Copyright 2011 Dan Smith <dsmith@danplanet.com>

#           2016 Matt Weyland <lt-betrieb@hb9uf.ch>

#

# 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/>.

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

from chirp.settings import RadioSettingGroup, RadioSetting

from chirp.settings import RadioSettingValueBoolean, RadioSettings

from textwrap import dedent

import time

import logging

import codecs

LOG = logging.getLogger(__name__)

DRX35_MEM_FORMAT = """

#seekto 0x0120;

u8 used_flags[25];

#seekto 0x0200;

struct {

  u8 new_used:1,

     unknown1:1,

     isnarrow:1,

     isdigital:1,

     ishigh:1,

     unknown2:3;

  u8 unknown3:6,

     duplex:2;

  u8 unknown4:4,

     tmode:4;

  u8 unknown5:4,

     step:4;

  bbcd freq[4];

  u8 unknown6[1];

  bbcd offset[3];

  u8 rtone;

  u8 ctone;

  u8 dtcs_tx;

  u8 dtcs_rx;

  u8 name[7];

  u8 unknown8[2];

  u8 unknown9:6,

     power:2;

  u8 unknownA[6];

} memory[100];

#seekto 0x0130;

u8 skips[25];

"""

# 0000 0111

# 0000 0010

# Response length is:

# 1. \r\n

# 2. Four-digit address, followed by a colon

# 3. 16 bytes in hex (32 characters)

# 4. \r\n

RLENGTH = 2 + 5 + 32 + 2

STEPS = [5.0, 10.0, 12.5, 15.0, 20.0, 25.0, 30.0]

class AlincoStyleRadio(chirp_common.CloneModeRadio):

    """Base class for all known Alinco radios"""

    _memsize = 0

    _model = b"NONE"

    NEEDS_COMPAT_SERIAL = False

    def _send(self, data):

        LOG.debug("PC->R: (%2i)\n%s" % (len(data), util.hexprint(data)))

        self.pipe.write(data)

        self.pipe.read(len(data))

    def _read(self, length):

        data = self.pipe.read(length)

        LOG.debug("R->PC: (%2i)\n%s" % (len(data), util.hexprint(data)))

        return data

    def _download_chunk(self, addr):

        if addr % 16:

            raise Exception("Addr 0x%04x not on 16-byte boundary" % addr)

        cmd = b"AL~F%04XR\r\n" % addr

        self._send(cmd)

        resp = self._read(RLENGTH).strip()

        if len(resp) == 0:

            raise errors.RadioError("No response from radio")

        if b":" not in resp:

            raise errors.RadioError("Unexpected response from radio")

        addr, _data = resp.split(b":", 1)

        data = codecs.decode(_data, 'hex')

        if len(data) != 16:

            LOG.debug("Response was:")

            LOG.debug("|%s|")

            LOG.debug("Which I converted to:")

            LOG.debug(util.hexprint(data))

            raise Exception("Radio returned less than 16 bytes")

        return data

    def _download(self, limit):

        self._identify()

        data = b""

        for addr in range(0, limit, 16):

            time.sleep(0.1)

            data += self._download_chunk(addr)

            if self.status_fn:

                status = chirp_common.Status()

                status.cur = addr + 16

                status.max = self._memsize

                status.msg = "Downloading from radio"

                self.status_fn(status)

        self._send(b"AL~E\r\n")

        self._read(20)

        return memmap.MemoryMap(data)

    def _identify(self):

        for _i in range(0, 3):

            self._send(b"%s\r\n" % self._model)

            resp = self._read(6)

            if resp.strip() == b"OK":

                return True

            time.sleep(1)

        return False

    def _upload_chunk(self, addr):

        if addr % 16:

            raise Exception("Addr 0x%04x not on 16-byte boundary" % addr)

        _data = self._mmap[addr:addr+16]

        data = codecs.encode(_data, 'hex').upper()

        cmd = b"AL~F%04XW%s\r\n" % (addr, data)

        self._send(cmd)

    def _upload(self, limit):

        if not self._identify():

            raise Exception("I can't talk to this model")

        for addr in range(0x100, limit, 16):

            time.sleep(0.1)

            self._upload_chunk(addr)

            if self.status_fn:

                status = chirp_common.Status()

                status.cur = addr + 16

                status.max = self._memsize

                status.msg = "Uploading to radio"

                self.status_fn(status)

        self._send(b"AL~E\r\n")

        self._read(20)

    def process_mmap(self):

        self._memobj = bitwise.parse(DRX35_MEM_FORMAT, self._mmap)

    def sync_in(self):

        try:

            self._mmap = self._download(self._memsize)

        except errors.RadioError:

            raise

        except Exception as e:

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

        self.process_mmap()

    def sync_out(self):

        try:

            self._upload(self._memsize)

        except errors.RadioError:

            raise

        except Exception as e:

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

    def get_raw_memory(self, number):

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

DUPLEX = ["", "-", "+"]

TMODES = ["", "Tone", "", "TSQL"] + [""] * 12

TMODES[12] = "DTCS"

DCS_CODES = {

    "Alinco": chirp_common.DTCS_CODES,

    "Jetstream": (17,) + chirp_common.DTCS_CODES,

}

CHARSET = (["\x00"] * 0x30) + \

    [chr(x + ord("0")) for x in range(0, 10)] + \

    [chr(x + ord("A")) for x in range(0, 26)] + [" "] + \

    list("\x00" * 128)

def _get_name(_mem):

    name = ""

    for i in _mem.name:

        if i in [0x00, 0xFF]:

            break

        name += CHARSET[i]

    return name

def _set_name(mem, _mem):

    name = [0x00] * 7

    j = 0

    for i in range(0, 7):

        try:

            name[j] = CHARSET.index(mem.name[i])

            j += 1

        except IndexError:

            pass

        except ValueError:

            pass

    return name

ALINCO_TONES = list(chirp_common.TONES)

ALINCO_TONES.remove(159.8)

ALINCO_TONES.remove(165.5)

ALINCO_TONES.remove(171.3)

ALINCO_TONES.remove(177.3)

ALINCO_TONES.remove(183.5)

ALINCO_TONES.remove(189.9)

ALINCO_TONES.remove(196.6)

ALINCO_TONES.remove(199.5)

ALINCO_TONES.remove(206.5)

ALINCO_TONES.remove(229.1)

ALINCO_TONES.remove(254.1)

class DRx35Radio(AlincoStyleRadio):

    """Base class for the DR-x35 radios"""

    _range = [(118000000, 155000000)]

    _power_levels = []

    _valid_tones = ALINCO_TONES

    def get_features(self):

        rf = chirp_common.RadioFeatures()

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

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

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

        rf.valid_bands = self._range

        rf.memory_bounds = (0, 99)

        rf.has_ctone = True

        rf.has_bank = False

        rf.has_dtcs_polarity = False

        rf.can_delete = False

        rf.valid_tuning_steps = STEPS

        rf.valid_name_length = 7

        rf.valid_power_levels = self._power_levels

        rf.valid_dtcs_codes = DCS_CODES[self.VENDOR]

        return rf

    def _get_used(self, number):

        _usd = self._memobj.used_flags[number / 8]

        bit = (0x80 >> (number % 8))

        return _usd & bit

    def _set_used(self, number, is_used):

        _usd = self._memobj.used_flags[number / 8]

        bit = (0x80 >> (number % 8))

        if is_used:

            _usd |= bit

        else:

            _usd &= ~bit

    def _get_power(self, _mem):

        if self._power_levels:

            return self._power_levels[_mem.ishigh]

        return None

    def _set_power(self, _mem, mem):

        if self._power_levels:

            _mem.ishigh = mem.power is None or \

                mem.power == self._power_levels[1]

    def _get_extra(self, _mem, mem):

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

        dig = RadioSetting("isdigital", "Digital",

                           RadioSettingValueBoolean(bool(_mem.isdigital)))

        dig.set_doc("Digital/Packet mode enabled")

        mem.extra.append(dig)

    def _set_extra(self, _mem, mem):

        for setting in mem.extra:

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

    def get_memory(self, number):

        _mem = self._memobj.memory[number]

        _skp = self._memobj.skips[number / 8]

        _usd = self._memobj.used_flags[number / 8]

        bit = (0x80 >> (number % 8))

        mem = chirp_common.Memory()

        mem.number = number

        if not self._get_used(number) and self.MODEL != "JT220M":

            mem.empty = True

            return mem

        elif self.MODEL == 'JT220M':

            mem.immutable = ['empty']

        mem.freq = int(_mem.freq) * 100

        mem.rtone = self._valid_tones[_mem.rtone]

        mem.ctone = self._valid_tones[_mem.ctone]

        mem.duplex = DUPLEX[_mem.duplex]

        mem.offset = int(_mem.offset) * 100

        mem.tmode = TMODES[_mem.tmode]

        mem.dtcs = DCS_CODES[self.VENDOR][_mem.dtcs_tx]

        mem.tuning_step = STEPS[_mem.step]

        if _mem.isnarrow:

            mem.mode = "NFM"

        mem.power = self._get_power(_mem)

        if _skp & bit:

            mem.skip = "S"

        mem.name = _get_name(_mem).rstrip()

        self._get_extra(_mem, mem)

        return mem

    def set_memory(self, mem):

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

        _skp = self._memobj.skips[mem.number / 8]

        _usd = self._memobj.used_flags[mem.number / 8]

        bit = (0x80 >> (mem.number % 8))

        if self._get_used(mem.number) and not mem.empty:

            # Initialize the memory

            _mem.set_raw("\x00" * 32)

        self._set_used(mem.number, not mem.empty)

        if mem.empty:

            return

        _mem.freq = mem.freq / 100

        try:

            _tone = mem.rtone

            _mem.rtone = self._valid_tones.index(mem.rtone)

            _tone = mem.ctone

            _mem.ctone = self._valid_tones.index(mem.ctone)

        except ValueError:

            raise errors.UnsupportedToneError("This radio does not support " +

                                              "tone %.1fHz" % _tone)

        _mem.duplex = DUPLEX.index(mem.duplex)

        _mem.offset = mem.offset / 100

        _mem.tmode = TMODES.index(mem.tmode)

        _mem.dtcs_tx = DCS_CODES[self.VENDOR].index(mem.dtcs)

        _mem.dtcs_rx = DCS_CODES[self.VENDOR].index(mem.dtcs)

        _mem.step = STEPS.index(mem.tuning_step)

        _mem.isnarrow = mem.mode == "NFM"

        self._set_power(_mem, mem)

        if mem.skip:

            _skp |= bit

        else:

            _skp &= ~bit

        _mem.name = _set_name(mem, _mem)

        self._set_extra(_mem, mem)

@directory.register

class DR03Radio(DRx35Radio):

    """Alinco DR03"""

    VENDOR = "Alinco"

    MODEL = "DR03T"

    _model = b"DR135"

    _memsize = 4096

    _range = [(28000000, 29695000)]

    @classmethod

    def match_model(cls, filedata, filename):

        return len(filedata) == cls._memsize and \

                filedata[0x64:0x66] == b'\x00\x28'

@directory.register

class DR06Radio(DRx35Radio):

    """Alinco DR06"""

    VENDOR = "Alinco"

    MODEL = "DR06T"

    _model = b"DR435"

    _memsize = 4096

    _range = [(50000000, 53995000)]

    @classmethod

    def match_model(cls, filedata, filename):

        return len(filedata) == cls._memsize and \

                filedata[0x64:0x66] == b'\x00\x50'

@directory.register

class DR135Radio(DRx35Radio):

    """Alinco DR135"""

    VENDOR = "Alinco"

    MODEL = "DR135T"

    _model = b"DR135"

    _memsize = 4096

    _range = [(118000000, 173000000)]

    @classmethod

    def match_model(cls, filedata, filename):

        return len(filedata) == cls._memsize and \

                filedata[0x64:0x66] == b'\x01\x44'

@directory.register

class DR235Radio(DRx35Radio):

    """Alinco DR235"""

    VENDOR = "Alinco"

    MODEL = "DR235T"

    _model = b"DR235"

    _memsize = 4096

    _range = [(216000000, 280000000)]

    @classmethod

    def match_model(cls, filedata, filename):

        return len(filedata) == cls._memsize and \

                filedata[0x64:0x66] == b'\x02\x22'

@directory.register

class DR435Radio(DRx35Radio):

    """Alinco DR435"""

    VENDOR = "Alinco"

    MODEL = "DR435T"

    _model = b"DR435"

    _memsize = 4096

    _range = [(350000000, 511000000)]

    @classmethod

    def match_model(cls, filedata, filename):

        return len(filedata) == cls._memsize and \

                filedata[0x64:0x66] == b'\x04\x00'

@directory.register

class DJ596Radio(DRx35Radio):

    """Alinco DJ596"""

    VENDOR = "Alinco"

    MODEL = "DJ596"

    _model = b"DJ596"

    _memsize = 4096

    _range = [(136000000, 174000000), (400000000, 511000000)]

    _power_levels = [chirp_common.PowerLevel("Low", watts=1.00),

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

    @classmethod

    def match_model(cls, filedata, filename):

        return len(filedata) == cls._memsize and \

                filedata[0x64:0x66] == b'\x45\x01'

@directory.register

class JT220MRadio(DRx35Radio):

    """Jetstream JT220"""

    VENDOR = "Jetstream"

    MODEL = "JT220M"

    _model = b"DR136"

    _memsize = 8192

    _range = [(216000000, 280000000)]

    @classmethod

    def match_model(cls, filedata, filename):

        return len(filedata) == cls._memsize and \

            filedata[0x60:0x64] == b'2009'

@directory.register

class DJ175Radio(DRx35Radio):

    """Alinco DJ175"""

    VENDOR = "Alinco"

    MODEL = "DJ175"

    _model = b"DJ175"

    _memsize = 6896

    _range = [(136000000, 174000000), (400000000, 511000000)]

    _power_levels = [

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

        chirp_common.PowerLevel("Mid", watts=2.00),

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

        ]

    @classmethod

    def match_model(cls, filedata, filename):

        return len(filedata) == cls._memsize

    def _get_used(self, number):

        return self._memobj.memory[number].new_used

    def _set_used(self, number, is_used):

        self._memobj.memory[number].new_used = is_used

    def _get_power(self, _mem):

        return self._power_levels[_mem.power]

    def _set_power(self, _mem, mem):

        if mem.power in self._power_levels:

            _mem.power = self._power_levels.index(mem.power)

    def _download_chunk(self, addr):

        if addr % 16:

            raise Exception("Addr 0x%04x not on 16-byte boundary" % addr)

        cmd = b"AL~F%04XR\r\n" % addr

        self._send(cmd)

        _data = self._read(34).strip()

        if len(_data) == 0:

            raise errors.RadioError("No response from radio")

        data = codecs.decode(_data, 'hex')

        if len(data) != 16:

            LOG.debug("Response was:")

            LOG.debug("|%r|" % _data)

            LOG.debug("Which I converted to:")

            LOG.debug(util.hexprint(data))

            raise Exception("Radio returned less than 16 bytes")

        return data

DJG7_MEM_FORMAT = """

#seekto 0x200;

ul16 bank[50];

ul16 special_bank[7];

#seekto 0x1200;

struct {

    u8   empty;

    ul32 freq;

    u8   mode;

    u8   step;

    ul32 offset;

    u8   duplex;

    u8   squelch_type;

    u8   tx_tone;

    u8   rx_tone;

    u8   dcs;

    ul24 unknown1;

    u8   skip;

    ul32 unknown2;

    ul32 unknown3;

    ul32 unknown4;

    char name[32];

} memory[1000];

"""

class AlincoDJG7(AlincoStyleRadio):

    """Alinco DJ-G7EG"""

    VENDOR = "Alinco"

    MODEL = "DJ-G7EG"

    BAUD_RATE = 57600

    # Those are different from the other Alinco radios.

    STEPS = [5.0, 6.25, 8.33, 10.0, 12.5, 15.0, 20.0, 25.0, 30.0, 50.0,

             100.0, 125.0, 150.0, 200.0, 500.0, 1000.0]

    DUPLEX = ["", "+", "-"]

    MODES = ["NFM", "FM", "AM", "WFM"]

    TMODES = ["", "??1", "Tone", "TSQL", "TSQL-R", "DTCS"]

    # This is a bit of a hack to avoid overwriting _identify()

    _memsize = 0x1a7c0

    _range = [(500000, 1300000000)]

    @classmethod

    def get_prompts(cls):

        rp = chirp_common.RadioPrompts()

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

            1. Ensure your firmware version is 4_10 or higher

            2. Turn radio off

            3. Connect your interface cable

            4. Turn radio on

            5. Press and release PTT 3 times while holding MONI key

            6. Supported baud rates: 57600 (default) and 19200

               (rotate dial while holding MONI to change)

            7. Click OK

            """))

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

            1. Ensure your firmware version is 4_10 or higher

            2. Turn radio off

            3. Connect your interface cable

            4. Turn radio on

            5. Press and release PTT 3 times while holding MONI key

            6. Supported baud rates: 57600 (default) and 19200

               (rotate dial while holding MONI to change)

            7. Click OK

            """))

        return rp

    def get_features(self):

        rf = chirp_common.RadioFeatures()

        rf.has_dtcs_polarity = False

        rf.has_bank = False

        rf.has_settings = False

        rf.valid_modes = self.MODES

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

        rf.valid_tuning_steps = self.STEPS

        rf.valid_bands = self._range

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

        rf.valid_characters = chirp_common.CHARSET_ASCII

        rf.valid_name_length = 16

        rf.memory_bounds = (0, 999)

        return rf

    def _download_chunk(self, addr):

        if addr % 0x40:

            raise Exception("Addr 0x%04x not on 64-byte boundary" % addr)

        cmd = b"AL~F%05XR\r" % addr

        self._send(cmd)

        # Response: "\r\n[ ... data ... ]\r\n

        # data is encoded in hex, hence we read two chars per byte

        _data = self._read(2+2*64+2).strip()

        if len(_data) == 0:

            raise errors.RadioError("No response from radio")

        data = codecs.decode(_data, "hex")

        if len(data) != 64:

            LOG.debug("Response was:")

            LOG.debug("|%s|" % _data)

            LOG.debug("Which I converted to:")

            LOG.debug(util.hexprint(data))

            raise Exception("Chunk from radio has wrong size")

        return data

    def _detect_baudrate_and_identify(self):

        if self._identify():

            return True

        else:

            # Apparently Alinco support suggests to try again at a lower baud

            # rate if their cable fails with the default rate. See #4355.

            LOG.info("Could not talk to radio. Trying again at 19200 baud")

            self.pipe.baudrate = 19200

            return self._identify()

    def _download(self, limit):

        self._detect_baudrate_and_identify()

        data = b"\x00"*0x200

        for addr in range(0x200, limit, 0x40):

            data += self._download_chunk(addr)

            # Other Alinco drivers delay here, but doesn't seem to be necessary

            # for this model.

            if self.status_fn:

                status = chirp_common.Status()

                status.cur = addr

                status.max = limit

                status.msg = "Downloading from radio"

                self.status_fn(status)

        return memmap.MemoryMapBytes(data)

    def _upload_chunk(self, addr):

        if addr % 0x40:

            raise Exception("Addr 0x%04x not on 64-byte boundary" % addr)

        _data = self._mmap[addr:addr+0x40]

        data = codecs.encode(_data, "hex").upper()

        cmd = b"AL~F%05XW%s\r" % (addr, data)

        self._send(cmd)

        resp = self._read(6)

        if resp.strip() != b"OK":

            raise Exception("Unexpected response from radio: %s" % resp)

    def _upload(self, limit):

        if not self._detect_baudrate_and_identify():

            raise Exception("I can't talk to this model")

        for addr in range(0x200, self._memsize, 0x40):

            self._upload_chunk(addr)

            # Other Alinco drivers delay here, but doesn't seem to be necessary

            # for this model.

            if self.status_fn:

                status = chirp_common.Status()

                status.cur = addr

                status.max = self._memsize

                status.msg = "Uploading to radio"

                self.status_fn(status)

    def _get_empty_flag(self, freq, mode):

        # Returns flag used to hide a channel from the main band. This occurs

        # when the mode is anything but NFM or FM (main band can only do those)

        # or when the frequency is outside of the range supported by the main

        # band.

        if mode not in ("NFM", "FM"):

            return 0x01

        if (freq >= 136000000 and freq < 174000000) or \

           (freq >= 400000000 and freq < 470000000) or \

           (freq >= 1240000000 and freq < 1300000000):

            return 0x02

        else:

            return 0x01

    def _check_channel_consistency(self, number):

        _mem = self._memobj.memory[number]

        if _mem.empty != 0x00:

            if _mem.unknown1 == 0xffffff:

                # Previous versions of this code have skipped the unknown

                # fields. They contain bytes of value if the channel is empty

                # and thus those bytes remain 0xff when the channel is put to

                # use. The radio is totally fine with this but the Alinco

                # programming software is not (see #5275). Here, we check for

                # this and report if it is encountered.

                LOG.warning("Channel %d is inconsistent: Found 0xff in "

                            "non-empty channel. Touch channel to fix."

                            % number)

            if _mem.empty != self._get_empty_flag(_mem.freq,

                                                  self.MODES[_mem.mode]):

                LOG.warning("Channel %d is inconsistent: Found out of band "

                            "frequency. Touch channel to fix." % number)

    def process_mmap(self):

        self._memobj = bitwise.parse(DJG7_MEM_FORMAT, self._mmap)

        # We check all channels for corruption (see bug #5275) but we don't fix

        # it automatically because it would be unpolite to modify something on

        # a read operation. A log message is emitted though for the user to

        # take actions.

        for number in range(len(self._memobj.memory)):

            self._check_channel_consistency(number)

    def get_memory(self, number):

        _mem = self._memobj.memory[number]

        mem = chirp_common.Memory()

        mem.number = number

        if _mem.empty == 0:

            mem.empty = True

        else:

            mem.freq = int(_mem.freq)

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

            mem.tuning_step = self.STEPS[_mem.step]

            mem.offset = int(_mem.offset)

            mem.duplex = self.DUPLEX[_mem.duplex]

            if self.TMODES[_mem.squelch_type] == "TSQL" and \

                    _mem.tx_tone != _mem.rx_tone:

                mem.tmode = "Cross"

                mem.cross_mode = "Tone->Tone"

            else:

                mem.tmode = self.TMODES[_mem.squelch_type]

            mem.rtone = ALINCO_TONES[_mem.tx_tone-1]

            mem.ctone = ALINCO_TONES[_mem.rx_tone-1]

            mem.dtcs = DCS_CODES[self.VENDOR][_mem.dcs]

            if _mem.skip:

                mem.skip = "S"

            # FIXME find out what every other byte is used for. Japanese?

            mem.name = str(_mem.name.get_raw()[::2]).rstrip('\0')

        return mem

    def set_memory(self, mem):

        # Get a low-level memory object mapped to the image

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

        if mem.empty:

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

            _mem.empty = 0x00

        else:

            _mem.empty = self._get_empty_flag(mem.freq, mem.mode)

            _mem.freq = mem.freq

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

            _mem.step = self.STEPS.index(mem.tuning_step)

            _mem.offset = mem.offset

            _mem.duplex = self.DUPLEX.index(mem.duplex)

            if mem.tmode == "Cross":

                _mem.squelch_type = self.TMODES.index("TSQL")