# HG changeset patch
# User Jim Unroe <rock.unroe@gmail.com>
# Date 1658502442 14400
#      Fri Jul 22 11:07:22 2022 -0400
# Node ID c6a73290ee27f870e916dd1346e8e8353cc251b5
# Parent  22914379db0e665c97c88fb52990f7f8a3108c61
[RB15] Add Retevis RB15

This patch adds support for the Retevis RB15

related to #8531

diff -r 22914379db0e -r c6a73290ee27 chirp/drivers/retevis_rb15.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/chirp/drivers/retevis_rb15.py	Fri Jul 22 11:07:22 2022 -0400
@@ -0,0 +1,770 @@
+# Copyright 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 time
+import os
+import struct
+import re
+import logging
+
+from chirp import chirp_common, directory, memmap
+from chirp import bitwise, errors, util
+from chirp.settings import RadioSetting, RadioSettingGroup, \
+    RadioSettingValueInteger, RadioSettingValueList, \
+    RadioSettingValueBoolean, RadioSettingValueString, \
+    RadioSettings
+
+LOG = logging.getLogger(__name__)
+
+MEM_FORMAT = """
+struct memory {
+  u32 rxfreq;                                // 00-03
+  u16 decQT;                                 // 04-05
+  u32 txfreq;                                // 06-09
+  u16 encQT;                                 // 0a-0b
+  u8 lowpower:1,  // Power Level             // 0c
+     unknown1:1,
+     isnarrow:1,  // Bandwidth
+     bcl:2,       // Busy Channel Lockout
+     scan:1,      // Scan Add
+     encode:1,    // Encode
+     unknown2:1;
+  u8 unknown3[3];                            // 0d-0f
+};
+
+#seekto 0x0170;
+struct memory channels[22];
+
+#seekto 0x0162;
+struct {
+  u8 unknown_1:1,           // 0x0162
+     voice:2,               //               Voice Prompt
+     beep:1,                //               Beep Switch
+     unknown_2:1,
+     vox:1,                 //               VOX
+     autolock:1,            //               Auto Lock
+     vibrate:1;             //               Vibrate Switch
+  u8 squelch:4,             // 0x0163        SQ Level
+     unknown_3:1,
+     volume:3;              //               Volume Level
+  u8 voxl:4,                // 0x0164        VOX Level
+     voxd:4;                //               VOX Delay
+  u8 unknown_5:1,           // 0x0165
+     save:3,                //               Power Save
+     calltone:4;            //               Call Tone
+  u8 unknown_6:4,           // 0x0166
+     roger:2,               //               Roger Tone
+     backlight:2;           //               Backlight Set
+  u16 tot;                  // 0x0167-0x0168 Time-out Timer
+  u8 unknown_7[3];          // 0x0169-0x016B
+  u8 skeyul;                // 0x016C        Side Key Up Long
+  u8 skeyus;                // 0x016D        Side Key Up Short
+  u8 skeydl;                // 0x016E        Side Key Down Long
+  u8 skeyds;                // 0x016F        Side Key Down Short
+} settings;
+"""
+
+CMD_ACK = "\x06"
+
+RB15_DTCS = sorted(chirp_common.DTCS_CODES + [645])
+
+LIST_BACKLIGHT = ["Off", "On", "Auto"]
+LIST_BCL = ["None", "Carrier", "QT/DQT Match"]
+LIST_ROGER = ["Off", "Start", "End", "Start and End"]
+LIST_SAVE = ["Off", "1:1", "1:2", "1:3", "1:4", "1:5"]
+_STEP_LIST = [2.5, 5., 6.25, 10., 12.5, 20., 25., 50.]
+LIST_VOICE = ["Off", "Chinese", "English"]
+LIST_VOXD = ["0.0", "0.5", "1.0", "1.5", "2.0", "2.5", "3.0", "3.5", "4.0",
+             "4.5", "5.0S"]
+
+SKEY_CHOICES = ["None", "Scan", "Monitor", "VOX On/Off",
+                "Local Alarm", "Remote Alarm", "Backlight On/Off", "Call Tone"]
+SKEY_VALUES = [0x00, 0x01, 0x03, 0x04, 0x09, 0x0A, 0x13, 0x14]
+
+TOT_CHOICES = ["Off", "15", "30", "45", "60", "75", "90", "105", "120",
+               "135", "150", "165", "180", "195", "210", "225", "240",
+               "255", "270", "285", "300", "315", "330", "345", "360",
+               "375", "390", "405", "420", "435", "450", "465", "480",
+               "495", "510", "525", "540", "555", "570", "585", "600"
+               ]
+TOT_VALUES = [0x00, 0x0F, 0x1E, 0x2D, 0x3C, 0x4B, 0x5A, 0x69, 0x78,
+              0x87, 0x96, 0xA5, 0xB4, 0xC3, 0xD2, 0xE1, 0xF0,
+              0xFF, 0x10E, 0x11D, 0x12C, 0x13B, 0x14A, 0x159, 0x168,
+              0x177, 0x186, 0x195, 0x1A4, 0x1B3, 0x1C2, 0x1D1, 0x1E0,
+              0x1EF, 0x1FE, 0x20D, 0x21C, 0x22B, 0x23A, 0x249, 0x258
+              ]
+
+FRS_FREQS1 = [462.5625, 462.5875, 462.6125, 462.6375, 462.6625,
+              462.6875, 462.7125]
+FRS_FREQS2 = [467.5625, 467.5875, 467.6125, 467.6375, 467.6625,
+              467.6875, 467.7125]
+FRS_FREQS3 = [462.5500, 462.5750, 462.6000, 462.6250, 462.6500,
+              462.6750, 462.7000, 462.7250]
+FRS_FREQS = FRS_FREQS1 + FRS_FREQS2 + FRS_FREQS3
+
+
+def _checksum(data):
+    cs = 0
+    for byte in data:
+        cs += ord(byte)
+    return cs % 256
+
+
+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 & 0x4000:      # This is a DCS
+            ret = "D%0.3oN" % code
+        elif tone & 0x8000:  # This is an inverse code
+            ret = "D%0.3oI" % code
+        else:   # Just plain old analog CTCSS
+            ret = "%4.1f" % (code / 10.0)
+    return ret
+
+
+def _rb15_enter_programming_mode(radio):
+    serial = radio.pipe
+
+    # lengthen the timeout here as these radios are reseting due to timeout
+    radio.pipe.timeout = 0.75
+
+    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:
+            LOG.debug("Attempt #%s, failed, trying again" % i)
+            pass
+
+    # return timeout to default value
+    radio.pipe.timeout = 0.25
+
+    # 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)
+
+
+def _rb15_exit_programming_mode(radio):
+    serial = radio.pipe
+    try:
+        serial.write("21" + "\x05\xEE" + "V")
+    except:
+        raise errors.RadioError("Radio refused to exit programming mode")
+
+
+def _rb15_read_block(radio, block_addr, block_size):
+    serial = radio.pipe
+
+    cmd = struct.pack(">BH", ord('R'), block_addr)
+
+    ccs = _checksum(cmd)
+
+    expectedresponse = "R" + cmd[1:]
+
+    cmd = cmd + chr(ccs)
+
+    LOG.debug("Reading block %04x..." % (block_addr))
+
+    try:
+        serial.write(cmd)
+        response = serial.read(3 + block_size + 1)
+
+        cs = _checksum(response[:-1])
+
+        if response[:3] != expectedresponse:
+            raise Exception("Error reading block %04x." % (block_addr))
+
+        chunk = response[3:]
+
+        if ord(chunk[-1]) != cs:
+            raise Exception("Block failed checksum!")
+
+        block_data = chunk[:-1]
+    except:
+        raise errors.RadioError("Failed to read block at %04x" % block_addr)
+
+    return block_data
+
+
+def _rb15_write_block(radio, block_addr, block_size):
+    serial = radio.pipe
+
+    cmd = struct.pack(">BH", ord('W'), block_addr)
+    data = radio.get_mmap()[block_addr:block_addr + block_size]
+
+    cs = _checksum(cmd + data)
+    data += chr(cs)
+
+    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:
+        raise errors.RadioError("Failed to send block "
+                                "to radio at %04x" % block_addr)
+
+
+def do_download(radio):
+    LOG.debug("download")
+    _rb15_enter_programming_mode(radio)
+
+    data = ""
+
+    status = chirp_common.Status()
+    status.msg = "Cloning from radio"
+
+    status.cur = 0
+    status.max = radio._memsize
+
+    for addr in range(0x0000, radio._memsize, radio.BLOCK_SIZE):
+        status.cur = addr + radio.BLOCK_SIZE
+        radio.status_fn(status)
+
+        block = _rb15_read_block(radio, addr, radio.BLOCK_SIZE)
+        data += block
+
+        LOG.debug("Address: %04x" % addr)
+        LOG.debug(util.hexprint(block))
+
+    _rb15_exit_programming_mode(radio)
+
+    return memmap.MemoryMap(data)
+
+
+def do_upload(radio):
+    status = chirp_common.Status()
+    status.msg = "Uploading to radio"
+
+    _rb15_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):
+            status.cur = addr + radio.BLOCK_SIZE
+            radio.status_fn(status)
+            _rb15_write_block(radio, addr, radio.BLOCK_SIZE)
+
+    _rb15_exit_programming_mode(radio)
+
+
+def _split(rf, f1, f2):
+    """Returns False if the two freqs are in the same band (no split)
+    or True otherwise"""
+
+    # determine if the two freqs are in the same band
+    for low, high in rf.valid_bands:
+        if f1 >= low and f1 <= high and \
+                f2 >= low and f2 <= high:
+            # if the two freqs are on the same Band this is not a split
+            return False
+
+    # if you get here is because the freq pairs are split
+    return True
+
+
+class RB15RadioBase(chirp_common.CloneModeRadio):
+    """RETEVIS RB15 BASE"""
+    VENDOR = "Retevis"
+    BAUD_RATE = 9600
+
+    BLOCK_SIZE = 0x10
+    magic = "21" + "\x05\x10" + "x"
+
+    VALID_BANDS = [(400000000, 520000000)]
+
+    _ranges = [
+               (0x0150, 0x07A0),
+              ]
+    _memsize = 0x07A0
+
+    _frs = False
+
+    def get_features(self):
+        rf = chirp_common.RadioFeatures()
+        rf.has_settings = True
+        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 = False
+        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 = RB15_DTCS
+        rf.memory_bounds = (1, self._upper)
+        rf.valid_tuning_steps = _STEP_LIST
+        rf.valid_bands = self.VALID_BANDS
+
+        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:
+            # 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:
+            # 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 get_raw_memory(self, number):
+        return repr(self._memobj.memory[number - 1])
+
+    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)
+        pt = "N"
+        pr = "N"
+
+        if txtone == "----":
+            txmode = ""
+        elif txtone[0] == "D":
+            mem.dtcs = int(txtone[1:4])
+            if txtone[4] == "I":
+                pt = "R"
+            txmode = "DTCS"
+        else:
+            mem.rtone = float(txtone)
+            txmode = "Tone"
+
+        if rxtone == "----":
+            rxmode = ""
+        elif rxtone[0] == "D":
+            mem.rx_dtcs = int(rxtone[1:4])
+            if rxtone[4] == "I":
+                pr = "R"
+            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.tmode = "Cross"
+            mem.cross_mode = "%s->%s" % (txmode, rxmode)
+
+        mem.dtcs_polarity = pt + pr
+
+        LOG.debug("_get_tone: Got TX %s (%i) RX %s (%i)" %
+                  (txmode, _mem.encQT, rxmode, _mem.decQT))
+
+    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) | 0x4000
+            if pol == "R":
+                val = int("%i" % code, 8) | 0x8000
+            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 get_memory(self, number):
+        mem = chirp_common.Memory()
+        _mem = self._memobj.channels[number - 1]
+        mem.number = number
+
+        mem.freq = int(_mem.rxfreq) * 10
+
+        # We'll consider any blank (i.e. 0MHz frequency) to be empty
+        if mem.freq == 0:
+            mem.empty = True
+            return mem
+
+        if _mem.rxfreq.get_raw() == "\xFF\xFF\xFF\xFF":
+            mem.freq = 0
+            mem.empty = True
+            return mem
+
+        if _mem.get_raw() == ("\xFF" * 16):
+            LOG.debug("Initializing empty memory")
+            _mem.set_raw("\x00" * 16)
+
+        # Freq and offset
+        mem.freq = int(_mem.rxfreq) * 10
+        # tx freq can be blank
+        if _mem.get_raw()[4] == "\xFF":
+            # TX freq not set
+            mem.offset = 0
+            mem.duplex = "off"
+        else:
+            # TX freq set
+            offset = (int(_mem.txfreq) * 10) - mem.freq
+            if offset != 0:
+                if _split(self.get_features(), mem.freq, int(
+                          _mem.txfreq) * 10):
+                    mem.duplex = "split"
+                    mem.offset = int(_mem.txfreq) * 10
+                elif offset < 0:
+                    mem.offset = abs(offset)
+                    mem.duplex = "-"
+                elif offset > 0:
+                    mem.offset = offset
+                    mem.duplex = "+"
+            else:
+                mem.offset = 0
+
+        mem.mode = _mem.isnarrow and "NFM" or "FM"
+
+        self._get_tone(_mem, mem)
+
+        mem.power = self.POWER_LEVELS[_mem.lowpower]
+
+        if not _mem.scan:
+            mem.skip = "S"
+
+        mem.extra = RadioSettingGroup("Extra", "extra")
+
+        rs = RadioSetting("bcl", "BCL",
+                          RadioSettingValueList(
+                              LIST_BCL, LIST_BCL[_mem.bcl]))
+        mem.extra.append(rs)
+
+        rs = RadioSetting("encode", "Encode",
+                          RadioSettingValueBoolean(_mem.encode))
+        mem.extra.append(rs)
+
+        return mem
+
+    def set_memory(self, mem):
+        LOG.debug("Setting %i(%s)" % (mem.number, mem.extd_number))
+        _mem = self._memobj.channels[mem.number - 1]
+
+        # if empty memmory
+        if mem.empty:
+            _mem.set_raw("\xFF" * 8 + "\x00" * 5 + "\xFF" * 3)
+            return
+
+        if self._frs:
+            if mem.number >= 1 and mem.number <= 22:
+                FRS_FREQ = int(FRS_FREQS[mem.number - 1] * 1000000)
+                mem.freq = FRS_FREQ
+                if mem.number <= 22:
+                    mem.duplex = ''
+                    mem.offset = 0
+                    mem.mode = "NFM"
+                    if mem.number >= 8 and mem.number <= 14:
+                        mem.power = self.POWER_LEVELS[1]
+
+        _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
+
+        _mem.scan = mem.skip != "S"
+        _mem.isnarrow = mem.mode == "NFM"
+
+        self._set_tone(mem, _mem)
+
+        _mem.lowpower = mem.power == self.POWER_LEVELS[1]
+
+        for setting in mem.extra:
+            setattr(_mem, setting.get_name(), setting.value)
+
+    def get_settings(self):
+        _settings = self._memobj.settings
+        basic = RadioSettingGroup("basic", "Basic Settings")
+        sidekey = RadioSettingGroup("sidekey", "Side Key Settings")
+        voxset = RadioSettingGroup("vox", "VOX Settings")
+        top = RadioSettings(basic, sidekey, voxset)
+
+        voice = RadioSetting("voice", "Language", RadioSettingValueList(
+                             LIST_VOICE, LIST_VOICE[_settings.voice]))
+        basic.append(voice)
+
+        beep = RadioSetting("beep", "Key Beep",
+                            RadioSettingValueBoolean(_settings.beep))
+        basic.append(beep)
+
+        volume = RadioSetting("volume", "Volume Level",
+                              RadioSettingValueInteger(
+                                  0, 7, _settings.volume))
+        basic.append(volume)
+
+        save = RadioSetting("save", "Battery Save",
+                            RadioSettingValueList(
+                                LIST_SAVE, LIST_SAVE[_settings.save]))
+        basic.append(save)
+
+        backlight = RadioSetting("backlight", "Backlight",
+                                 RadioSettingValueList(
+                                     LIST_BACKLIGHT,
+                                     LIST_BACKLIGHT[_settings.backlight]))
+        basic.append(backlight)
+
+        vibrate = RadioSetting("vibrate", "Vibrate",
+                               RadioSettingValueBoolean(_settings.vibrate))
+        basic.append(vibrate)
+
+        autolock = RadioSetting("autolock", "Auto Lock",
+                                RadioSettingValueBoolean(_settings.autolock))
+        basic.append(autolock)
+
+        calltone = RadioSetting("calltone", "Call Tone",
+                                RadioSettingValueInteger(
+                                    1, 10, _settings.calltone))
+        basic.append(calltone)
+
+        roger = RadioSetting("roger", "Roger Tone",
+                             RadioSettingValueList(
+                                 LIST_ROGER, LIST_ROGER[_settings.roger]))
+        basic.append(roger)
+
+        squelch = RadioSetting("squelch", "Squelch Level",
+                               RadioSettingValueInteger(
+                                   0, 10, _settings.squelch))
+        basic.append(squelch)
+
+        def apply_tot_listvalue(setting, obj):
+            LOG.debug("Setting value: " + str(
+                      setting.value) + " from list")
+            val = str(setting.value)
+            index = TOT_CHOICES.index(val)
+            val = TOT_VALUES[index]
+            obj.set_value(val)
+
+        if _settings.tot in TOT_VALUES:
+            idx = TOT_VALUES.index(_settings.tot)
+        else:
+            idx = TOT_VALUES.index(0x78)
+        rs = RadioSettingValueList(TOT_CHOICES, TOT_CHOICES[idx])
+        rset = RadioSetting("tot", "Time-out Timer", rs)
+        rset.set_apply_callback(apply_tot_listvalue, _settings.tot)
+        basic.append(rset)
+
+        # Side Key Settings
+        def apply_skey_listvalue(setting, obj):
+            LOG.debug("Setting value: " + str(
+                      setting.value) + " from list")
+            val = str(setting.value)
+            index = SKEY_CHOICES.index(val)
+            val = SKEY_VALUES[index]
+            obj.set_value(val)
+
+        # Side Key (Upper) - Short Press
+        if _settings.skeyus in SKEY_VALUES:
+            idx = SKEY_VALUES.index(_settings.skeyus)
+        else:
+            idx = SKEY_VALUES.index(0x01)
+        rs = RadioSettingValueList(SKEY_CHOICES, SKEY_CHOICES[idx])
+        rset = RadioSetting("skeyus", "Side Key(upper) - Short Press", rs)
+        rset.set_apply_callback(apply_skey_listvalue, _settings.skeyus)
+        sidekey.append(rset)
+
+        # Side Key (Upper) - Long Press
+        if _settings.skeyul in SKEY_VALUES:
+            idx = SKEY_VALUES.index(_settings.skeyul)
+        else:
+            idx = SKEY_VALUES.index(0x04)
+        rs = RadioSettingValueList(SKEY_CHOICES, SKEY_CHOICES[idx])
+        rset = RadioSetting("skeyul", "Side Key(upper) - Long Press", rs)
+        rset.set_apply_callback(apply_skey_listvalue, _settings.skeyul)
+        sidekey.append(rset)
+
+        # Side Key (Lower) - Short Press
+        if _settings.skeyds in SKEY_VALUES:
+            idx = SKEY_VALUES.index(_settings.skeyds)
+        else:
+            idx = SKEY_VALUES.index(0x03)
+        rs = RadioSettingValueList(SKEY_CHOICES, SKEY_CHOICES[idx])
+        rset = RadioSetting("skeyds", "Side Key(lower) - Short Press", rs)
+        rset.set_apply_callback(apply_skey_listvalue, _settings.skeyds)
+        sidekey.append(rset)
+
+        # Side Key (Lower) - Long Press
+        if _settings.skeyul in SKEY_VALUES:
+            idx = SKEY_VALUES.index(_settings.skeydl)
+        else:
+            idx = SKEY_VALUES.index(0x14)
+        rs = RadioSettingValueList(SKEY_CHOICES, SKEY_CHOICES[idx])
+        rset = RadioSetting("skeydl", "Side Key(lower) - Long Press", rs)
+        rset.set_apply_callback(apply_skey_listvalue, _settings.skeydl)
+        sidekey.append(rset)
+
+        # VOX Settings
+        vox = RadioSetting("vox", "VOX",
+                           RadioSettingValueBoolean(_settings.vox))
+        voxset.append(vox)
+
+        voxl = RadioSetting("voxl", "VOX Level",
+                            RadioSettingValueInteger(
+                                0, 10, _settings.voxl))
+        voxset.append(voxl)
+
+        voxd = RadioSetting("voxd", "VOX Delay (seconde)",
+                            RadioSettingValueList(
+                                LIST_VOXD, LIST_VOXD[_settings.voxd]))
+        voxset.append(voxd)
+
+        return top
+
+    def set_settings(self, settings):
+        for element in settings:
+            if not isinstance(element, RadioSetting):
+                self.set_settings(element)
+                continue
+            else:
+                try:
+                    if "." in element.get_name():
+                        bits = element.get_name().split(".")
+                        obj = self._memobj
+                        for bit in bits[:-1]:
+                            obj = getattr(obj, bit)
+                        setting = bits[-1]
+                    else:
+                        obj = self._memobj.settings
+                        setting = element.get_name()
+
+                    if element.has_apply_callback():
+                        LOG.debug("Using apply callback")
+                        element.run_apply_callback()
+                    elif element.value.get_mutable():
+                        LOG.debug("Setting %s = %s" % (setting, element.value))
+                        setattr(obj, setting, element.value)
+                except Exception, e:
+                    LOG.debug(element.get_name())
+                    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 RB15Radio(RB15RadioBase):
+    """RETEVIS RB15"""
+    VENDOR = "Retevis"
+    MODEL = "RB15"
+
+    POWER_LEVELS = [chirp_common.PowerLevel("High", watts=2.00),
+                    chirp_common.PowerLevel("Low", watts=0.50)]
+
+    _ranges = [
+               (0x0150, 0x07A0),
+              ]
+    _memsize = 0x07A0
+
+    _upper = 22
+    _frs = True
diff -r 22914379db0e -r c6a73290ee27 tools/cpep8.manifest
--- a/tools/cpep8.manifest	Thu Jul 14 12:51:14 2022 -0400
+++ b/tools/cpep8.manifest	Fri Jul 22 11:07:22 2022 -0400
@@ -80,6 +80,7 @@
 ./chirp/drivers/puxing.py
 ./chirp/drivers/radioddity_r2.py
 ./chirp/drivers/radtel_t18.py
+./chirp/drivers/retevis_rb15.py
 ./chirp/drivers/retevis_rb17p.py
 ./chirp/drivers/retevis_rt1.py
 ./chirp/drivers/retevis_rt21.py
