CHIRP

# Copyright 2021-2022 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.  If not, see <http://www.gnu.org/licenses/>.

import logging

import os

import struct

import time

from chirp import (

    bitwise,

    chirp_common,

    directory,

    errors,

    memmap,

    util,

)

from chirp.settings import (

    RadioSetting,

    RadioSettingGroup,

    RadioSettings,

    RadioSettingValueBoolean,

    RadioSettingValueFloat,

    RadioSettingValueInteger,

    RadioSettingValueList,

    RadioSettingValueString,

)

LOG = logging.getLogger(__name__)

MEM_FORMAT = """

#seekto 0x0000;

struct {

  lbcd rxfreq[4];     // 0-3                                   /

  lbcd txfreq[4];     // 4-7                                   /

  ul16 rxtone;        // 8-9                                   /

  ul16 txtone;        // A-B                                   /

  u8 unknown1:4,      // C

     scode:4;         //     Signaling                         /

  u8 unknown2:6,      // D

     pttid:2;         //     PTT-ID                            /

  u8 unknown3:6,      // E

     txpower:2;       //     Power Level 0 = H, 1 = L, 2 = M   /

  u8 unknown4:1,      // F

     narrow:1,        //     Bandwidth  0 = Wide, 1 = Narrow   /

     encrypt:2,       //     Encrypt                           /

     bcl:1,           //     BCL                               /

     scan:1,          //     Scan  0 = Skip, 1 = Scan          /

     unknown5:1,

     learning:1;      //     Learning                          /

  lbcd code[3];       //     Code                              /

  u8 unknown6;        //

  char name[12];      // 12-character Alpha Tag                /

} memory[256];

"""

CMD_ACK = b"\x06"

DTCS = tuple(sorted(chirp_common.DTCS_CODES + (645,)))

DTMF_CHARS = "0123456789 *#ABCD"

TXPOWER_HIGH = 0x00

TXPOWER_LOW = 0x01

TXPOWER_MID = 0x02

ENCRYPT_LIST = ["Off", "DCP1", "DCP2", "DCP3"]

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

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

def _enter_programming_mode(radio):

    serial = radio.pipe

    exito = False

    for i in range(0, 5):

        serial.write(radio._magic)

        ack = serial.read(1)

        try:

            if ack == CMD_ACK:

                exito = True

                break

        except errors.RadioError:

            LOG.debug("Attempt #%s, failed, trying again" % i)

            pass

    # check if we had EXITO

    if exito is False:

        msg = "The radio did not accept program mode after five tries.\n"

        msg += "Check you interface cable and power cycle your radio."

        raise errors.RadioError(msg)

    try:

        serial.write(b"F")

        ident = serial.read(8)

    except errors.RadioError:

        raise errors.RadioError("Error communicating with radio")

    #if not ident == radio._fingerprint:

    if not ident in radio._fingerprint:

        LOG.debug(util.hexprint(ident))

        raise errors.RadioError("Radio returned unknown identification string")

def _exit_programming_mode(radio):

    serial = radio.pipe

    try:

        serial.write(b"E")

    except errors.RadioError:

        raise errors.RadioError("Radio refused to exit programming mode")

def _read_block(radio, block_addr, block_size):

    serial = radio.pipe

    cmd = struct.pack(">cHb", b'R', block_addr, block_size)

    expectedresponse = b"R" + cmd[1:]

    LOG.debug("Reading block %04x..." % (block_addr))

    try:

        serial.write(cmd)

        response = serial.read(4 + block_size)

        if response[:4] != expectedresponse:

            raise Exception("Error reading block %04x." % (block_addr))

        block_data = response[4:]

    except errors.RadioError:

        raise errors.RadioError("Failed to read block at %04x" % block_addr)

    return block_data

def _write_block(radio, block_addr, block_size):

    serial = radio.pipe

    cmd = struct.pack(">cHb", b'W', block_addr, block_size)

    data = radio.get_mmap()[block_addr:block_addr + block_size]

    LOG.debug("Writing Data:")

    LOG.debug(util.hexprint(cmd + data))

    try:

        serial.write(cmd + data)

        if serial.read(1) != CMD_ACK:

            raise Exception("No ACK")

    except errors.RadioError:

        raise errors.RadioError("Failed to send block "

                                "to radio at %04x" % block_addr)

def do_download(radio):

    LOG.debug("download")

    _enter_programming_mode(radio)

    data = b""

    status = chirp_common.Status()

    status.msg = "Cloning from radio"

    status.cur = 0

    status.max = radio._memsize

    for addr in range(0, radio._memsize, radio.BLOCK_SIZE):

        status.cur = addr + radio.BLOCK_SIZE

        radio.status_fn(status)

        block = _read_block(radio, addr, radio.BLOCK_SIZE)

        data += block

        LOG.debug("Address: %04x" % addr)

        LOG.debug(util.hexprint(block))

    _exit_programming_mode(radio)

    return memmap.MemoryMapBytes(data)

def do_upload(radio):

    status = chirp_common.Status()

    status.msg = "Uploading to radio"

    _enter_programming_mode(radio)

    status.cur = 0

    status.max = radio._memsize

    for start_addr, end_addr in radio._ranges:

        for addr in range(start_addr, end_addr, radio.BLOCK_SIZE_UP):

            status.cur = addr + radio.BLOCK_SIZE_UP

            radio.status_fn(status)

            _write_block(radio, addr, radio.BLOCK_SIZE_UP)

    _exit_programming_mode(radio)

class JC8810base(chirp_common.CloneModeRadio):

    """MML JC-8810"""

    VENDOR = "MML"

    MODEL = "JC-8810base"

    BAUD_RATE = 57600

    NEEDS_COMPAT_SERIAL = False

    BLOCK_SIZE = 0x40

    BLOCK_SIZE_UP = 0x40

    POWER_LEVELS = [chirp_common.PowerLevel("H", watts=10.00),

                    chirp_common.PowerLevel("M", watts=8.00),

                    chirp_common.PowerLevel("L", watts=4.00)]

    _magic = b"PROGRAMJC81U"

    _fingerprint = [b"\x00\x00\x00\x26\x00\x20\xD8\x04",

                    b"\x00\x00\x00\x42\x00\x20\xF0\x04"]

    _ranges = [

               (0x0000, 0x2000),

               (0x8000, 0x8040),

               (0x9000, 0x9040),

               (0xA000, 0xA140),

               (0xB000, 0xB300)

              ]

    _memsize = 0xB300

    _valid_chars = chirp_common.CHARSET_ALPHANUMERIC + \

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

    def get_features(self):

        rf = chirp_common.RadioFeatures()

        rf.has_settings = False

        rf.has_bank = False

        rf.has_ctone = True

        rf.has_cross = True

        rf.has_rx_dtcs = True

        rf.has_tuning_step = False

        rf.can_odd_split = True

        rf.has_name = True

        rf.valid_name_length = 12

        rf.valid_characters = self._valid_chars

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

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

        rf.valid_cross_modes = ["Tone->Tone", "Tone->DTCS", "DTCS->Tone",

                                "->Tone", "->DTCS", "DTCS->", "DTCS->DTCS"]

        rf.valid_power_levels = self.POWER_LEVELS

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

        rf.valid_modes = ["FM", "NFM"]  # 25 kHz, 12.5 KHz.

        rf.valid_dtcs_codes = DTCS

        rf.memory_bounds = (1, 256)

        rf.valid_tuning_steps = [2.5, 5., 6.25, 10., 12.5, 20., 25., 50.]

        rf.valid_bands = [(108000000, 136000000),

                          (136000000, 174000000),

                          (220000000, 260000000),

                          (350000000, 390000000),

                          (400000000, 520000000)]

        return rf

    def process_mmap(self):

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

    def sync_in(self):

        """Download from radio"""

        try:

            data = do_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 = data

        self.process_mmap()

    def sync_out(self):

        """Upload to radio"""

        try:

            do_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 _is_txinh(self, _mem):

        raw_tx = ""

        for i in range(0, 4):

            raw_tx += _mem.txfreq[i].get_raw()

        return raw_tx == "\xFF\xFF\xFF\xFF"

    def get_memory(self, number):

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

        mem = chirp_common.Memory()

        mem.number = number

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

            mem.empty = True

            return mem

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

        if self._is_txinh(_mem):

            # TX freq not set

            mem.duplex = "off"

            mem.offset = 0

        else:

            # TX freq set

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

            if offset != 0:

                if offset > 0:

                    mem.duplex = "+"

                    mem.offset = 5000000

            else:

                mem.duplex = ""

                mem.offset = 0

        for char in _mem.name:

            if str(char) == "\xFF":

                char = " "  # may have 0xFF mid-name

            mem.name += str(char)

        mem.name = mem.name.rstrip()

        dtcs_pol = ["N", "N"]

        if _mem.txtone in [0, 0xFFFF]:

            txmode = ""

        elif _mem.txtone >= 0x0258:

            txmode = "Tone"

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

        elif _mem.txtone <= 0x0258:

            txmode = "DTCS"

            if _mem.txtone > 0x69:

                index = _mem.txtone - 0x6A

                dtcs_pol[0] = "R"

            else:

                index = _mem.txtone - 1

            mem.dtcs = DTCS[index]

        else:

            LOG.warn("Bug: txtone is %04x" % _mem.txtone)

        if _mem.rxtone in [0, 0xFFFF]:

            rxmode = ""

        elif _mem.rxtone >= 0x0258:

            rxmode = "Tone"

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

        elif _mem.rxtone <= 0x0258:

            rxmode = "DTCS"

            if _mem.rxtone >= 0x6A:

                index = _mem.rxtone - 0x6A

                dtcs_pol[1] = "R"

            else:

                index = _mem.rxtone - 1

            mem.rx_dtcs = DTCS[index]

        else:

            LOG.warn("Bug: rxtone is %04x" % _mem.rxtone)

        if txmode == "Tone" and not rxmode:

            mem.tmode = "Tone"

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

            mem.tmode = "TSQL"

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

            mem.tmode = "DTCS"

        elif rxmode or txmode:

            mem.tmode = "Cross"

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

        mem.dtcs_polarity = "".join(dtcs_pol)

        if not _mem.scan:

            mem.skip = "S"

        _levels = self.POWER_LEVELS

        if _mem.txpower == TXPOWER_HIGH:

            mem.power = _levels[0]

        elif _mem.txpower == TXPOWER_MID:

            mem.power = _levels[1]

        elif _mem.txpower == TXPOWER_LOW:

            mem.power = _levels[2]

        else:

            LOG.error('%s: get_mem: unhandled power level: 0x%02x' %

                      (mem.name, _mem.txpower))

        mem.mode = _mem.narrow and "NFM" or "FM"

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

        # BCL (Busy Channel Lockout)

        rs = RadioSettingValueBoolean(_mem.bcl)

        rset = RadioSetting("bcl", "BCL", rs)

        mem.extra.append(rset)

        # PTT-ID

        rs = RadioSettingValueList(PTTID_LIST, PTTID_LIST[_mem.pttid])

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

        mem.extra.append(rset)

        # Signal (DTMF Encoder Group #)

        rs = RadioSettingValueList(PTTIDCODE_LIST, PTTIDCODE_LIST[_mem.scode])

        rset = RadioSetting("scode", "PTT ID Code", rs)

        mem.extra.append(rset)

        # # Encrypt

        # rs = RadioSettingValueList(ENCRYPT_LIST, ENCRYPT_LIST[_mem.encrypt])

        # rset = RadioSetting("encrypt", "Encrypt", rs)

        # mem.extra.append(rset)

        # # Learning

        # rs = RadioSettingValueBoolean(_mem.learning)

        # rset = RadioSetting("learning", "Learning", rs)

        # mem.extra.append(rset)

        # # CODE

        # rs = RadioSettingValueInteger(0, 999999, _mem.code)

        # rset = RadioSetting("code", "Code", rs)

        # mem.extra.append(rset)

        # # ANI

        # rs = RadioSettingValueBoolean(_mem.ani)

        # rset = RadioSetting("ani", "ANI", rs)

        # mem.extra.append(rset)

        return mem

    def set_memory(self, mem):

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

        if mem.empty:

            _mem.set_raw("\xff" * 32)

            return

        _mem.set_raw("\x00" * 16 + "\xFF" * 16)

        _mem.rxfreq = mem.freq / 10

        if mem.duplex == "off":

            for i in range(0, 4):

                _mem.txfreq[i].set_raw("\xFF")

        elif mem.duplex == "split":

            _mem.txfreq = mem.offset / 10

        elif mem.duplex == "+":

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

        elif mem.duplex == "-":

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

        else:

            _mem.txfreq = mem.freq / 10

        _namelength = self.get_features().valid_name_length

        for i in range(_namelength):

            try:

                _mem.name[i] = mem.name[i]

            except IndexError:

                _mem.name[i] = "\xFF"

        rxmode = txmode = ""

        if mem.tmode == "Tone":

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

            _mem.rxtone = 0

        elif mem.tmode == "TSQL":

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

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

        elif mem.tmode == "DTCS":

            rxmode = txmode = "DTCS"

            _mem.txtone = DTCS.index(mem.dtcs) + 1

            _mem.rxtone = DTCS.index(mem.dtcs) + 1

        elif mem.tmode == "Cross":

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

            if txmode == "Tone":

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

            elif txmode == "DTCS":

                _mem.txtone = DTCS.index(mem.dtcs) + 1

            else:

                _mem.txtone = 0

            if rxmode == "Tone":

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

            elif rxmode == "DTCS":

                _mem.rxtone = DTCS.index(mem.rx_dtcs) + 1

            else:

                _mem.rxtone = 0

        else:

            _mem.rxtone = 0

            _mem.txtone = 0

        if txmode == "DTCS" and mem.dtcs_polarity[0] == "R":

            _mem.txtone += 0x69

        if rxmode == "DTCS" and mem.dtcs_polarity[1] == "R":

            _mem.rxtone += 0x69

        _mem.scan = mem.skip != "S"

        _mem.narrow = mem.mode == "NFM"

        _levels = self.POWER_LEVELS

        if mem.power is None:

            _mem.txpower = TXPOWER_HIGH

        elif mem.power == _levels[0]:

            _mem.txpower = TXPOWER_HIGH

        elif mem.power == _levels[1]:

            _mem.txpower = TXPOWER_MID

        elif mem.power == _levels[2]:

            _mem.txpower = TXPOWER_LOW

        else:

            LOG.error('%s: set_mem: unhandled power level: %s' %

                      (mem.name, mem.power))

        for setting in mem.extra:

            if setting.get_name() == "scramble_type":

                setattr(_mem, setting.get_name(), int(setting.value) + 8)

                setattr(_mem, "scramble_type2", int(setting.value) + 8)

            else:

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

    def set_settings(self, settings):

        _settings = self._memobj.settings

        for element in settings:

            if not isinstance(element, RadioSetting):

                self.set_settings(element)

                continue

            else:

                try:

                    name = element.get_name()

                    if "." in name:

                        bits = name.split(".")

                        obj = self._memobj

                        for bit in bits[:-1]:

                            if "/" in bit:

                                bit, index = bit.split("/", 1)

                                index = int(index)

                                obj = getattr(obj, bit)[index]

                            else:

                                obj = getattr(obj, bit)

                        setting = bits[-1]

                    else:

                        obj = _settings

                        setting = element.get_name()

                    if element.has_apply_callback():

                        LOG.debug("Using apply callback")

                        element.run_apply_callback()

                    elif setting == "fmradio":

                        setattr(obj, setting, not int(element.value))

                    elif setting == "tot":

                        setattr(obj, setting, int(element.value) + 1)

                    elif element.value.get_mutable():

                        LOG.debug("Setting %s = %s" % (setting, element.value))

                        setattr(obj, setting, element.value)

                except Exception as e:

                    LOG.debug(element.get_name(), e)

                    raise

    @classmethod

    def match_model(cls, filedata, filename):

        # This radio has always been post-metadata, so never do

        # old-school detection

        return False

@directory.register

class RT470Radio(JC8810base):

    """Radtel RT-470"""

    VENDOR = "Radtel"

    MODEL = "RT-470"

@directory.register

class RT470LRadio(JC8810base):

    """Radtel RT-470L"""

    VENDOR = "Radtel"

    MODEL = "RT-470L"

    _fingerprint = [b"\x00\x00\x00\xfe\x00\x20\xAC\x04"]

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

                    chirp_common.PowerLevel("M", watts=4.00),

                    chirp_common.PowerLevel("L", watts=2.00)]