[chirp_devel] [PATCH] [RT1] Add Support for Retevis RT1

18 Dec 2016

# HG changeset patch
# User Jim Unroe rock.unroe@gmail.com
# Date 1482094979 18000
# Node ID cf61dc3ea521895628254b7017225d5657e28adb
# Parent  19790fa1d51a5183b7dd6758c9fbb6c5d5a0bd4b
[RT1] Add Support for Retevis RT1
This patch adds CHIRP support for programming both the
VHF and UHF models of the Retevis RT1 handheld radios.
#4313
diff -r 19790fa1d51a -r cf61dc3ea521 chirp/drivers/retevis_rt1.py

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/chirp/drivers/retevis_rt1.py	Sun Dec 18 16:02:59 2016 -0500
@@ -0,0 +1,748 @@
+# Copyright 2016 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 logging
+
+from chirp import chirp_common, directory, memmap
+from chirp import bitwise, errors, util
+from chirp.settings import RadioSetting, RadioSettingGroup, \
+    RadioSettingValueInteger, RadioSettingValueList, \
+    RadioSettingValueBoolean, RadioSettingValueString, \
+    InvalidValueError, RadioSettings
+
+LOG = logging.getLogger(__name__)
+
+MEM_FORMAT = """
+#seekto 0x0010;
+struct {
+  lbcd rxfreq[4];
+  lbcd txfreq[4];
+  lbcd rxtone[2];
+  lbcd txtone[2];
+  u8 bcl:1,         // Busy Lock
+     epilogue:1,    // Epilogue (STE)
+     scramble:1,    // Scramble
+     compander:1,   // Compander
+     skip:1,        // Scan Add
+     wide:1,        // Bandwidth
+     unknown1:1,
+     highpower:1;   // Power Level
+  u8 unknown2[3];
+} memory[16];
+
+#seekto 0x0120;
+struct {
+  u8 hivoltnotx:1,  // TX Inhibit when voltage too high
+     lovoltnotx:1,  // TX Inhibit when voltage too low
+     unknown1:1,
+     alarm:1,       // Incept Alarm
+     scan:1,        // Scan
+     tone:1,        // Tone
+     voice:2;       // Voice
+  u8 unknown2:1,
+     ssave:3,       // Super Battery Save
+     unknown3:1,
+     save:3;        // Battery Save
+  u8 squelch;       // Squelch
+  u8 tot;           // Time Out Timer
+  u8 voxi:1,        // VOX Inhibit on Receive
+     voxd:2,        // VOX Delay
+     voxc:1,        // VOX Control
+     voxg:4;        // VOX Gain
+  u8 unknown4:4,
+     scanspeed:4;   // Scan Speed
+  u8 unknown5:3,
+     scandelay:5;   // Scan Delay
+  u8 unknown6:3,
+     prioritych:5;  // Priority Channel
+  u8 k1shortp;      // Key 1 Short Press
+  u8 k2shortp;      // Key 2 Short Press
+  u8 k1longp;       // Key 1 Long Press
+  u8 k2longp;       // Key 2 Long Press
+  u8 lpt;           // Long Press Time
+} settings;
+
+#seekto 0x0170;
+struct {
+  char fp[8];
+} fingerprint;
+"""
+
+CMD_ACK = "\x06"
+
+RT1_POWER_LEVELS = [chirp_common.PowerLevel("Low",  watts=5.00),
+                    chirp_common.PowerLevel("High", watts=9.00)]
+
+RT1_DTCS = sorted(chirp_common.DTCS_CODES + [645])
+
+LIST_LPT = ["0.5", "1.0", "1.5", "2.0", "2.5"]
+LIST_SHORT_PRESS = ["Off", "Monitor On/Off", "Power High/Low", "Alarm", "Volt"]
+LIST_LONG_PRESS = ["Off", "Monitor On/Off", "Monitor(momentary)",
+                   "Power High/Low", "Alarm", "Volt", "TX 1750 Hz"]
+LIST_VOXDELAY = ["0.5", "1.0", "2.0", "3.0"]
+LIST_VOICE = ["Off", "English", "Chinese"]
+LIST_TIMEOUTTIMER = ["Off"] + ["%s" % x for x in range(30, 330, 30)]
+LIST_SAVE = ["Off", "1:1", "1:2", "1:3", "1:4"]
+LIST_SSAVE = ["Off"] + ["%s" % x for x in range(1, 7)]
+LIST_PRIORITYCH = ["Off"] + ["%s" % x for x in range(1, 17)]
+LIST_SCANSPEED = ["%s" % x for x in range(100, 550, 50)]
+LIST_SCANDELAY = ["%s" % x for x in range(3, 31)]
+
+SETTING_LISTS = {
+    "lpt": LIST_LPT,
+    "k1shortp": LIST_SHORT_PRESS,
+    "k1longp": LIST_LONG_PRESS,
+    "k2shortp": LIST_SHORT_PRESS,
+    "k2longp": LIST_LONG_PRESS,
+    "voxd": LIST_VOXDELAY,
+    "voice": LIST_VOICE,
+    "tot": LIST_TIMEOUTTIMER,
+    "save": LIST_SAVE,
+    "ssave": LIST_SSAVE,
+    "prioritych": LIST_PRIORITYCH,
+    "scanspeed": LIST_SCANSPEED,
+    "scandelay": LIST_SCANDELAY,
+    }
+
+# Retevis RT1 fingerprints
+RT1_VHF_fp = "PXT8K" + "\xF0\x00\x00"   # RT1 VHF model
+RT1_UHF_fp = "PXT8K" + "\xF3\x00\x00"   # RT1 UHF model
+
+MODELS = [RT1_VHF_fp, RT1_UHF_fp]
+
+
+def _model_from_data(data):
+    return data[0x0170:0x0178]
+
+
+def _model_from_image(radio):
+    return _model_from_data(radio.get_mmap())
+
+
+def _get_radio_model(radio):
+    block = _rt1_read_block(radio, 0x0170, 0x10)
+    version = block[0:8]
+    return version
+
+
+def _rt1_enter_programming_mode(radio):
+    serial = radio.pipe
+
+    magic = ["PROGRAMa", "PROGRAMb"]
+    for i in range(0, 2):
+
+        try:
+            LOG.debug("sending " + magic[i])
+            serial.write(magic[i])
+            ack = serial.read(1)
+        except:
+            _rt1_exit_programming_mode(radio)
+            raise errors.RadioError("Error communicating with radio")
+
+        if not ack:
+            _rt1_exit_programming_mode(radio)
+            raise errors.RadioError("No response from radio")
+        elif ack != CMD_ACK:
+            LOG.debug("Incorrect response, got this:\n\n" + util.hexprint(ack))
+            _rt1_exit_programming_mode(radio)
+            raise errors.RadioError("Radio refused to enter programming mode")
+
+    try:
+        LOG.debug("sending " + util.hexprint("\x02"))
+        serial.write("\x02")
+        ident = serial.read(16)
+    except:
+        _rt1_exit_programming_mode(radio)
+        raise errors.RadioError("Error communicating with radio")
+
+    if not ident.startswith("PXT8K"):
+        LOG.debug("Incorrect response, got this:\n\n" + util.hexprint(ident))
+        _rt1_exit_programming_mode(radio)
+        LOG.debug(util.hexprint(ident))
+        raise errors.RadioError("Radio returned unknown identification string")
+
+    try:
+        LOG.debug("sending " + util.hexprint("MXT8KCUMHS1X7BN/"))
+        serial.write("MXT8KCUMHS1X7BN/")
+        ack = serial.read(1)
+    except:
+        _rt1_exit_programming_mode(radio)
+        raise errors.RadioError("Error communicating with radio")
+
+    if ack != "\xB2":
+        LOG.debug("Incorrect response, got this:\n\n" + util.hexprint(ack))
+        _rt1_exit_programming_mode(radio)
+        raise errors.RadioError("Radio refused to enter programming mode")
+
+    try:
+        LOG.debug("sending " + util.hexprint(CMD_ACK))
+        serial.write(CMD_ACK)
+        ack = serial.read(1)
+    except:
+        _rt1_exit_programming_mode(radio)
+        raise errors.RadioError("Error communicating with radio")
+
+    if ack != CMD_ACK:
+        LOG.debug("Incorrect response, got this:\n\n" + util.hexprint(ack))
+        _rt1_exit_programming_mode(radio)
+        raise errors.RadioError("Radio refused to enter programming mode")
+
+    # DEBUG
+    LOG.info("Positive ident, this is a %s %s" % (radio.VENDOR, radio.MODEL))
+
+
+def _rt1_exit_programming_mode(radio):
+    serial = radio.pipe
+    try:
+        serial.write("E")
+    except:
+        raise errors.RadioError("Radio refused to exit programming mode")
+
+
+def _rt1_read_block(radio, block_addr, block_size):
+    serial = radio.pipe
+
+    cmd = struct.pack(">cHb", 'R', block_addr, block_size)
+    expectedresponse = "W" + cmd[1:]
+    LOG.debug("Reading block %04x..." % (block_addr))
+
+    try:
+        serial.write(cmd)
+
+        response = serial.read(4 + block_size)
+        if response[:4] != expectedresponse:
+            _rt1_exit_programming_mode(radio)
+            raise Exception("Error reading block %04x." % (block_addr))
+
+        block_data = response[4:]
+
+        serial.write(CMD_ACK)
+        ack = serial.read(1)
+    except:
+        _rt1_exit_programming_mode(radio)
+        raise errors.RadioError("Failed to read block at %04x" % block_addr)
+
+    if ack != CMD_ACK:
+        _rt1_exit_programming_mode(radio)
+        raise Exception("No ACK reading block %04x." % (block_addr))
+
+    return block_data
+
+
+def _rt1_write_block(radio, block_addr, block_size):
+    serial = radio.pipe
+
+    cmd = struct.pack(">cHb", '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:
+        _rt1_exit_programming_mode(radio)
+        raise errors.RadioError("Failed to send block "
+                                "to radio at %04x" % block_addr)
+
+
+def do_download(radio):
+    LOG.debug("download")
+    _rt1_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(0, radio._memsize, radio._block_size):
+        status.cur = addr + radio._block_size
+        radio.status_fn(status)
+
+        block = _rt1_read_block(radio, addr, radio._block_size)
+        data += block
+
+        LOG.debug("Address: %04x" % addr)
+        LOG.debug(util.hexprint(block))
+
+    _rt1_exit_programming_mode(radio)
+
+    return memmap.MemoryMap(data)
+
+
+def do_upload(radio):
+    status = chirp_common.Status()
+    status.msg = "Uploading to radio"
+
+    _rt1_enter_programming_mode(radio)
+
+    image_model = _model_from_image(radio)
+    LOG.info("Image Version is %s" % repr(image_model))
+
+    radio_model = _get_radio_model(radio)
+    LOG.info("Radio Version is %s" % repr(radio_model))
+
+    bands = ["VHF", "UHF"]
+    image_band = radio_band = "unknown"
+    for i in range(0,2):
+        if image_model == MODELS[i]:
+            image_band = bands[i]
+        if radio_model == MODELS[i]:
+            radio_band = bands[i]
+
+    if image_model != radio_model:
+        _rt1_exit_programming_mode(radio)
+        msg = ("The upload was stopped because the band supported by "
+               "the image (%s) does not match the band supported by "
+               "the radio (%s).")
+        raise errors.RadioError(msg % (image_band, radio_band))
+
+    status.cur = 0
+    status.max = 0x0190
+
+    for start_addr, end_addr, block_size in radio._ranges:
+        for addr in range(start_addr, end_addr, block_size):
+            status.cur = addr + block_size
+            radio.status_fn(status)
+            _rt1_write_block(radio, addr, block_size)
+
+    _rt1_exit_programming_mode(radio)
+
+
+def model_match(cls, data):
+    """Match the opened/downloaded image to the correct version"""
+    rid = data[0x0170:0x0176]
+
+    return rid.startswith("PXT8K")
+
+
+@directory.register
+class RT1Radio(chirp_common.CloneModeRadio):
+    """Retevis RT1"""
+    VENDOR = "Retevis"
+    MODEL = "RT1"
+    BAUD_RATE = 2400
+
+    _ranges = [
+               (0x0000, 0x0190, 0x10),
+              ]
+    _memsize = 0x0400
+    _block_size = 0x10
+    _vhf_range = (134000000, 175000000)
+    _uhf_range = (400000000, 521000000)
+
+    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 = RT1_POWER_LEVELS
+        rf.valid_duplexes = ["", "-", "+", "split", "off"]
+        rf.valid_modes = ["NFM", "FM"]  # 12.5 KHz, 25 kHz.
+        rf.memory_bounds = (1, 16)
+        if self._my_band() == RT1_VHF_fp:
+            rf.valid_bands = [self._vhf_range]
+        elif self._my_band() == RT1_UHF_fp:
+            rf.valid_bands = [self._uhf_range]
+        else:
+            rf.valid_bands = [self._vhf_range,
+                              self._uhf_range]
+
+        return rf
+
+    def process_mmap(self):
+        self._memobj = bitwise.parse(MEM_FORMAT, self._mmap)
+
+    def sync_in(self):
+        self._mmap = do_download(self)
+        self.process_mmap()
+
+    def sync_out(self):
+        do_upload(self)
+
+    def get_raw_memory(self, number):
+        return repr(self._memobj.memory[number - 1])
+
+    def decode_tone(self, val):
+        """Parse the tone data to decode from mem, it returns:
+        Mode (''|DTCS|Tone), Value (None|###), Polarity (None,N,R)"""
+        if val.get_raw() == "\xFF\xFF":
+            return '', None, None
+
+        val = int(val)
+        if val >= 12000:
+            a = val - 12000
+            return 'DTCS', a, 'R'
+        elif val >= 8000:
+            a = val - 8000
+            return 'DTCS', a, 'N'
+        else:
+            a = val / 10.0
+            return 'Tone', a, None
+
+    def encode_tone(self, memval, mode, value, pol):
+        """Parse the tone data to encode from UI to mem"""
+        if mode == '':
+            memval[0].set_raw(0xFF)
+            memval[1].set_raw(0xFF)
+        elif mode == 'Tone':
+            memval.set_value(int(value * 10))
+        elif mode == 'DTCS':
+            flag = 0x80 if pol == 'N' else 0xC0
+            memval.set_value(value)
+            memval[1].set_bits(flag)
+        else:
+            raise Exception("Internal error: invalid mode `%s'" % mode)
+
+    def _my_band(self):
+        model_tag = _model_from_image(self)
+        return model_tag
+
+    def get_memory(self, number):
+        _mem = self._memobj.memory[number - 1]
+
+        mem = chirp_common.Memory()
+
+        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 int(_mem.rxfreq) == int(_mem.txfreq):
+            mem.duplex = ""
+            mem.offset = 0
+        else:
+            mem.duplex = int(_mem.rxfreq) > int(_mem.txfreq) and "-" or "+"
+            mem.offset = abs(int(_mem.rxfreq) - int(_mem.txfreq)) * 10
+
+        mem.mode = _mem.wide and "FM" or "NFM"
+
+        rxtone = txtone = None
+        txtone = self.decode_tone(_mem.txtone)
+        rxtone = self.decode_tone(_mem.rxtone)
+        chirp_common.split_tone_decode(mem, txtone, rxtone)
+
+        mem.power = RT1_POWER_LEVELS[_mem.highpower]
+
+        if _mem.skip:
+            mem.skip = "S"
+
+        mem.extra = RadioSettingGroup("Extra", "extra")
+
+        rs = RadioSetting("bcl", "BCL",
+                          RadioSettingValueBoolean(not _mem.bcl))
+        mem.extra.append(rs)
+
+        rs = RadioSetting("epilogue", "Epilogue(STE)",
+                          RadioSettingValueBoolean(not _mem.epilogue))
+        mem.extra.append(rs)
+
+        rs = RadioSetting("compander", "Compander",
+                          RadioSettingValueBoolean(not _mem.compander))
+        mem.extra.append(rs)
+
+        rs = RadioSetting("scramble", "Scramble",
+                          RadioSettingValueBoolean(not _mem.scramble))
+        mem.extra.append(rs)
+
+        return mem
+
+    def set_memory(self, mem):
+        _mem = self._memobj.memory[mem.number - 1]
+
+        if mem.empty:
+            _mem.set_raw("\xFF" * (_mem.size() / 8))
+            return
+
+        _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.wide = mem.mode == "FM"
+
+        ((txmode, txtone, txpol), (rxmode, rxtone, rxpol)) = \
+            chirp_common.split_tone_encode(mem)
+        self.encode_tone(_mem.txtone, txmode, txtone, txpol)
+        self.encode_tone(_mem.rxtone, rxmode, rxtone, rxpol)
+
+        _mem.highpower = mem.power == RT1_POWER_LEVELS[1]
+
+        _mem.skip = mem.skip == "S"
+
+        for setting in mem.extra:
+            setattr(_mem, setting.get_name(), not int(setting.value))
+
+    def get_settings(self):
+        _settings = self._memobj.settings
+        basic = RadioSettingGroup("basic", "Basic Settings")
+        top = RadioSettings(basic)
+
+        rs = RadioSetting("lpt", "Long Press Time[s]",
+                          RadioSettingValueList(
+                              LIST_LPT,
+                              LIST_LPT[_settings.lpt]))
+        basic.append(rs)
+
+        if _settings.k1shortp > 4:
+            val = 1
+        else:
+            val = _settings.k1shortp
+        rs = RadioSetting("k1shortp", "Key 1 Short Press",
+                          RadioSettingValueList(
+                              LIST_SHORT_PRESS,
+                              LIST_SHORT_PRESS[val]))
+        basic.append(rs)
+
+        if _settings.k1longp > 6:
+            val = 3
+        else:
+            val = _settings.k1longp
+        rs = RadioSetting("k1longp", "Key 1 Long Press",
+                          RadioSettingValueList(
+                              LIST_LONG_PRESS,
+                              LIST_LONG_PRESS[val]))
+        basic.append(rs)
+
+        if _settings.k2shortp > 4:
+            val = 4
+        else:
+            val = _settings.k2shortp
+        rs = RadioSetting("k2shortp", "Key 2 Short Press",
+                          RadioSettingValueList(
+                              LIST_SHORT_PRESS,
+                              LIST_SHORT_PRESS[val]))
+        basic.append(rs)
+
+        if _settings.k2longp > 6:
+            val = 4
+        else:
+            val = _settings.k2longp
+        rs = RadioSetting("k2longp", "Key 2 Long Press",
+                          RadioSettingValueList(
+                              LIST_LONG_PRESS,
+                              LIST_LONG_PRESS[val]))
+        basic.append(rs)
+
+        rs = RadioSetting("voxc", "VOX Control",
+                          RadioSettingValueBoolean(not _settings.voxc))
+        basic.append(rs)
+
+        if _settings.voxg > 8:
+            val = 4
+        else:
+            val = _settings.voxg + 1
+        rs = RadioSetting("voxg", "VOX Gain",
+                          RadioSettingValueInteger(1, 9, val))
+        basic.append(rs)
+
+        rs = RadioSetting("voxd", "VOX Delay Time",
+                          RadioSettingValueList(
+                              LIST_VOXDELAY,
+                              LIST_VOXDELAY[_settings.voxd]))
+        basic.append(rs)
+
+        rs = RadioSetting("voxi", "VOX Inhibit on Receive",
+                          RadioSettingValueBoolean(not _settings.voxi))
+        basic.append(rs)
+
+        if _settings.squelch > 8:
+            val = 4
+        else:
+            val = _settings.squelch
+        rs = RadioSetting("squelch", "Squelch Level",
+                          RadioSettingValueInteger(0, 9, val))
+        basic.append(rs)
+
+        if _settings.voice == 3:
+            val = 1
+        else:
+            val = _settings.voice
+        rs = RadioSetting("voice", "Voice Prompts",
+                          RadioSettingValueList(
+                              LIST_VOICE,
+                              LIST_VOICE[val]))
+        basic.append(rs)
+
+        rs = RadioSetting("tone", "Tone",
+                          RadioSettingValueBoolean(_settings.tone))
+        basic.append(rs)
+
+        rs = RadioSetting("lovoltnotx", "TX Inhibit (when battery < 6 volts)",
+                          RadioSettingValueBoolean(_settings.lovoltnotx))
+        basic.append(rs)
+
+        rs = RadioSetting("hivoltnotx", "TX Inhibit (when battery > 9 volts)",
+                          RadioSettingValueBoolean(_settings.hivoltnotx))
+        basic.append(rs)
+
+        if _settings.tot > 10:
+            val = 6
+        else:
+            val = _settings.tot
+        rs = RadioSetting("tot", "Time-out Timer[s]",
+                          RadioSettingValueList(
+                              LIST_TIMEOUTTIMER,
+                              LIST_TIMEOUTTIMER[val]))
+        basic.append(rs)
+
+        if _settings.save < 3:
+            val = 0
+        else:
+            val = _settings.save - 3
+        rs = RadioSetting("save", "Battery Saver",
+                          RadioSettingValueList(
+                              LIST_SAVE,
+                              LIST_SAVE[val]))
+        basic.append(rs)
+
+        rs = RadioSetting("ssave", "Super Battery Saver[s]",
+                          RadioSettingValueList(
+                              LIST_SSAVE,
+                              LIST_SSAVE[_settings.ssave]))
+        basic.append(rs)
+
+        rs = RadioSetting("alarm", "Incept Alarm",
+                          RadioSettingValueBoolean(_settings.alarm))
+        basic.append(rs)
+
+        rs = RadioSetting("scan", "Scan Function",
+                          RadioSettingValueBoolean(_settings.scan))
+        basic.append(rs)
+
+        if _settings.prioritych > 15:
+            val = 0
+        else:
+            val = _settings.prioritych + 1
+        rs = RadioSetting("prioritych", "Priority Channel",
+                          RadioSettingValueList(
+                              LIST_PRIORITYCH,
+                              LIST_PRIORITYCH[val]))
+        basic.append(rs)
+
+        if _settings.scanspeed > 8:
+            val = 4
+        else:
+            val = _settings.scanspeed
+        rs = RadioSetting("scanspeed", "Scan Speed[ms]",
+                          RadioSettingValueList(
+                          LIST_SCANSPEED,
+                          LIST_SCANSPEED[val]))
+        basic.append(rs)
+
+        if _settings.scandelay > 27:
+            val = 12
+        else:
+            val = _settings.scandelay
+        rs = RadioSetting("scandelay", "Scan Droupout Delay Time[s]",
+                          RadioSettingValueList(
+                              LIST_SCANDELAY,
+                              LIST_SCANDELAY[val]))
+        basic.append(rs)
+
+        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 setting == "voxc":
+                        setattr(obj, setting, not int(element.value))
+                    elif setting == "voxg":
+                        setattr(obj, setting, int(element.value) - 1)
+                    elif setting == "voxi":
+                        setattr(obj, setting, not int(element.value))
+                    elif setting == "voice":
+                        if int(element.value) == 2:
+                            setattr(obj, setting, int(element.value) + 1)
+                        else:
+                            setattr(obj, setting, int(element.value))
+                    elif setting == "save":
+                        setattr(obj, setting, int(element.value) + 3)
+                    elif setting == "prioritych":
+                        if int(element.value) == 0:
+                            setattr(obj, setting, int(element.value) + 31)
+                        else:
+                            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, e:
+                    LOG.debug(element.get_name())
+                    raise
+
+    @classmethod
+    def match_model(cls, filedata, filename):
+        match_size = False
+        match_model = False
+
+        # testing the file data size
+        if len(filedata) in [0x0400, ]:
+            match_size = True
+        
+        # testing the model fingerprint
+        match_model = model_match(cls, filedata)
+
+        if match_size and match_model:
+            return True
+        else:
+            return False

    

Jim Unroe

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