[chirp_devel] [PATCH] [UV-6R] Add Baofeng Common Driver

Jim Unroe
Tue Aug 16 16:35:08 PDT 2016


# HG changeset patch
# User Jim Unroe <rock.unroe at gmail.com>
# Date 1471389478 14400
# Node ID 03d700ed2aec42bbf17de6f138360dc2aac2ce20
# Parent  08c7fe428b99035b951bb310524d6e16006820e0
[UV-6R] Add Baofeng Common Driver

This driver is being added in preparaton for adding Baofeng UV-6R support.
It contains common functions that will be used for new Baofeng (and similar)
handheld radios.

related to #2761

diff -r 08c7fe428b99 -r 03d700ed2aec chirp/drivers/baofeng_common.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/chirp/drivers/baofeng_common.py	Tue Aug 16 19:17:58 2016 -0400
@@ -0,0 +1,620 @@
+# Copyright 2016:
+# * Jim Unroe KC9HI, <rock.unroe at 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/>.
+
+"""common functions for Baofeng (or similar) handheld radios"""
+
+import time
+import struct
+import logging
+from chirp import chirp_common, directory, memmap
+from chirp import bitwise, errors, util
+from chirp.settings import RadioSettingGroup, RadioSetting, \
+    RadioSettingValueBoolean, RadioSettingValueList
+
+LOG = logging.getLogger(__name__)
+
+STIMEOUT = 1.5
+
+
+def _clean_buffer(radio):
+    radio.pipe.timeout = 0.005
+    junk = radio.pipe.read(256)
+    radio.pipe.timeout = STIMEOUT
+    if junk:
+        LOG.debug("Got %i bytes of junk before starting" % len(junk))
+
+
+def _rawrecv(radio, amount):
+    """Raw read from the radio device"""
+    data = ""
+    try:
+        data = radio.pipe.read(amount)
+    except:
+        msg = "Generic error reading data from radio; check your cable."
+        raise errors.RadioError(msg)
+
+    if len(data) != amount:
+        msg = "Error reading data from radio: not the amount of data we want."
+        raise errors.RadioError(msg)
+
+    return data
+
+
+def _rawsend(radio, data):
+    """Raw send to the radio device"""
+    try:
+        radio.pipe.write(data)
+    except:
+        raise errors.RadioError("Error sending data to radio")
+
+
+def _make_frame(cmd, addr, length, data=""):
+    """Pack the info in the headder format"""
+    frame = struct.pack(">BHB", ord(cmd), addr, length)
+    # add the data if set
+    if len(data) != 0:
+        frame += data
+    # return the data
+    return frame
+
+
+def _recv(radio, addr, length):
+    """Get data from the radio """
+    # read 4 bytes of header
+    hdr = _rawrecv(radio, 4)
+
+    # read data
+    data = _rawrecv(radio, length)
+
+    # DEBUG
+    LOG.info("Response:")
+    LOG.debug(util.hexprint(hdr + data))
+
+    c, a, l = struct.unpack(">BHB", hdr)
+    if a != addr or l != length or c != ord("X"):
+        LOG.error("Invalid answer for block 0x%04x:" % addr)
+        LOG.debug("CMD: %s  ADDR: %04x  SIZE: %02x" % (c, a, l))
+        raise errors.RadioError("Unknown response from the radio")
+
+    return data
+
+
+def _get_radio_firmware_version(radio):
+    msg = struct.pack(">BHB", ord("S"), radio._fw_ver_start,
+                      radio._recv_block_size)
+    radio.pipe.write(msg)
+    block = _recv(radio, radio._fw_ver_start, radio._recv_block_size)
+    _rawsend(radio, "\x06")
+    time.sleep(0.05)
+    version = block[0:16]
+    return version
+
+
+def _image_ident_from_data(data, start, stop):
+    return data[start:stop]
+
+
+def _get_image_firmware_version(radio):
+    return _image_ident_from_data(radio.get_mmap(), radio._fw_ver_start,
+                                  radio._fw_ver_start + 0x10)
+
+
+def _do_ident(radio, magic):
+    """Put the radio in PROGRAM mode"""
+    #  set the serial discipline
+    radio.pipe.baudrate = 9600
+    radio.pipe.parity = "N"
+    radio.pipe.timeout = STIMEOUT
+
+    # flush input buffer
+    _clean_buffer(radio)
+
+    # send request to enter program mode
+    _rawsend(radio, magic)
+
+    ack = _rawrecv(radio, 1)
+    if ack != "\x06":
+        if ack:
+            LOG.debug(repr(ack))
+        raise errors.RadioError("Radio did not respond")
+
+    _rawsend(radio, "\x02")
+
+    # Ok, get the response
+    ident = _rawrecv(radio, radio._magic_response_length)
+
+    # check if response is OK
+    if not ident.startswith("\xaa") or not ident.endswith("\xdd"):
+        # bad response
+        msg = "Unexpected response, got this:"
+        msg +=  util.hexprint(ident)
+        LOG.debug(msg)
+        raise errors.RadioError("Unexpected response from radio.")
+
+    # DEBUG
+    LOG.info("Valid response, got this:")
+    LOG.debug(util.hexprint(ident))
+
+    _rawsend(radio, "\x06")
+    ack = _rawrecv(radio, 1)
+    if ack != "\x06":
+        if ack:
+            LOG.debug(repr(ack))
+        raise errors.RadioError("Radio refused clone")
+
+    return ident
+
+
+def _ident_radio(radio):
+    for magic in radio._magic:
+        error = None
+        try:
+            data = _do_ident(radio, magic)
+            return data
+        except errors.RadioError, e:
+            print e
+            error = e
+            time.sleep(2)
+    if error:
+        raise error
+    raise errors.RadioError("Radio did not respond")
+
+
+def _download(radio):
+    """Get the memory map"""
+    # put radio in program mode
+    ident = _ident_radio(radio)
+
+    # identify radio
+    radio_ident = _get_radio_firmware_version(radio)
+    LOG.info("Radio firmware version:")
+    LOG.debug(util.hexprint(radio_ident))
+
+    # UI progress
+    status = chirp_common.Status()
+    status.cur = 0
+    status.max = radio._mem_size / radio._recv_block_size
+    status.msg = "Cloning from radio..."
+    radio.status_fn(status)
+
+    data = ""
+    for addr in range(0, radio._mem_size, radio._recv_block_size):
+        frame = _make_frame("S", addr, radio._recv_block_size)
+        # DEBUG
+        LOG.info("Request sent:")
+        LOG.debug(util.hexprint(frame))
+
+        # sending the read request
+        _rawsend(radio, frame)
+
+        if radio._ack_block:
+            ack = _rawrecv(radio, 1)
+            if ack != "\x06":
+                raise errors.RadioError(
+                    "Radio refused to send block 0x%04x" % addr)
+
+        # now we read
+        d = _recv(radio, addr, radio._recv_block_size)
+
+        _rawsend(radio, "\x06")
+        time.sleep(0.05)
+
+        # aggregate the data
+        data += d
+
+        # UI Update
+        status.cur = addr / radio._recv_block_size
+        status.msg = "Cloning from radio..."
+        radio.status_fn(status)
+
+    data += ident
+
+    return data
+
+
+def _upload(radio):
+    """Upload procedure"""
+    # put radio in program mode
+    _ident_radio(radio)
+
+    # identify radio
+    radio_ident = _get_radio_firmware_version(radio)
+    LOG.info("Radio firmware version:")
+    LOG.debug(util.hexprint(radio_ident))
+    # identify image
+    image_ident = _get_image_firmware_version(radio)
+    LOG.info("Image firmware version:")
+    LOG.debug(util.hexprint(image_ident))
+
+    if radio_ident != "0xFF" * 16 and image_ident == radio_ident:
+        _ranges = radio._ranges
+    else:
+        _ranges = [(0x0000, 0x0DF0),
+                   (0x0E00, 0x1800)]
+
+    # UI progress
+    status = chirp_common.Status()
+    status.cur = 0
+    status.max = radio._mem_size / radio._send_block_size
+    status.msg = "Cloning to radio..."
+    radio.status_fn(status)
+
+    # the fun start here
+    for start, end in _ranges:
+        for addr in range(start, end, radio._send_block_size):
+            # sending the data
+            data = radio.get_mmap()[addr:addr + radio._send_block_size]
+
+            frame = _make_frame("X", addr, radio._send_block_size, data)
+
+            _rawsend(radio, frame)
+            time.sleep(0.05)
+
+            # receiving the response
+            ack = _rawrecv(radio, 1)
+            if ack != "\x06":
+                msg = "Bad ack writing block 0x%04x" % addr
+                raise errors.RadioError(msg)
+
+            # UI Update
+            status.cur = addr / radio._send_block_size
+            status.msg = "Cloning to radio..."
+            radio.status_fn(status)
+
+
+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 BaofengCommonHT(chirp_common.CloneModeRadio,
+                      chirp_common.ExperimentalRadio):
+    """Baofeng HT Sytle Radios"""
+    VENDOR = "Baofeng"
+    MODEL = ""
+    IDENT = ""
+
+    def sync_in(self):
+        """Download from radio"""
+        try:
+            data = _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 = memmap.MemoryMap(data)
+        self.process_mmap()
+
+    def sync_out(self):
+        """Upload to radio"""
+        try:
+            _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_features(self):
+        """Get the radio's features"""
+
+        rf = chirp_common.RadioFeatures()
+        rf.has_settings = True
+        rf.has_bank = False
+        rf.has_tuning_step = False
+        rf.can_odd_split = True
+        rf.has_name = True
+        rf.has_offset = True
+        rf.has_mode = True
+        rf.has_dtcs = True
+        rf.has_rx_dtcs = True
+        rf.has_dtcs_polarity = True
+        rf.has_ctone = True
+        rf.has_cross = True
+        rf.valid_modes = self.MODES
+        rf.valid_characters = self.VALID_CHARS
+        rf.valid_name_length = self.LENGTH_NAME
+        rf.valid_duplexes = ["", "-", "+", "split", "off"]
+        rf.valid_tmodes = ['', 'Tone', 'TSQL', 'DTCS', 'Cross']
+        rf.valid_cross_modes = [
+            "Tone->Tone",
+            "DTCS->",
+            "->DTCS",
+            "Tone->DTCS",
+            "DTCS->Tone",
+            "->Tone",
+            "DTCS->DTCS"]
+        rf.valid_skips = self.SKIP_VALUES
+        rf.valid_dtcs_codes = self.DTCS_CODES
+        rf.memory_bounds = (0, 127)
+        rf.valid_power_levels = self.POWER_LEVELS
+        rf.valid_bands = self.VALID_BANDS
+
+        return rf
+        
+    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]
+        _nam = self._memobj.names[number]
+
+        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 _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
+
+        for char in _nam.name:
+            if str(char) == "\xFF":
+                char = " "  # The OEM software 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 = self.DTCS_CODES[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 = self.DTCS_CODES[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
+        try:
+            mem.power = levels[_mem.lowpower]
+        except IndexError:
+            LOG.error("Radio reported invalid power level %s (in %s)" %
+                      (_mem.power, levels))
+            mem.power = levels[0]
+
+        mem.mode = _mem.wide and "FM" or "NFM"
+
+        mem.extra = RadioSettingGroup("Extra", "extra")
+
+        rs = RadioSetting("bcl", "BCL",
+                          RadioSettingValueBoolean(_mem.bcl))
+        mem.extra.append(rs)
+
+        rs = RadioSetting("pttid", "PTT ID",
+                          RadioSettingValueList(self.PTTID_LIST,
+                                                self.PTTID_LIST[_mem.pttid]))
+        mem.extra.append(rs)
+
+        rs = RadioSetting("scode", "S-CODE",
+                          RadioSettingValueList(self.SCODE_LIST,
+                                                self.SCODE_LIST[_mem.scode]))
+        mem.extra.append(rs)
+
+        return mem
+
+    def set_memory(self, mem):
+        _mem = self._memobj.memory[mem.number]
+        _nam = self._memobj.names[mem.number]
+
+        if mem.empty:
+            _mem.set_raw("\xff" * 16)
+            _nam.set_raw("\xff" * 16)
+            return
+
+        _mem.set_raw("\x00" * 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:
+                _nam.name[i] = mem.name[i]
+            except IndexError:
+                _nam.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 = self.DTCS_CODES.index(mem.dtcs) + 1
+            _mem.rxtone = self.DTCS_CODES.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 = self.DTCS_CODES.index(mem.dtcs) + 1
+            else:
+                _mem.txtone = 0
+            if rxmode == "Tone":
+                _mem.rxtone = int(mem.ctone * 10)
+            elif rxmode == "DTCS":
+                _mem.rxtone = self.DTCS_CODES.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.wide = mem.mode == "FM"
+
+        if mem.power:
+            _mem.lowpower = self.POWER_LEVELS.index(mem.power)
+        else:
+            _mem.lowpower = 0
+
+        # extra settings
+        if len(mem.extra) > 0:
+            # there are setting, parse
+            for setting in mem.extra:
+                setattr(_mem, setting.get_name(), setting.value)
+        else:
+            # there are no extra settings, load defaults
+            _mem.bcl = 0
+            _mem.pttid = 0
+            _mem.scode = 0
+
+    def set_settings(self, settings):
+        _settings = self._memobj.settings
+        _mem = self._memobj
+        for element in settings:
+            if not isinstance(element, RadioSetting):
+                if element.get_name() == "fm_preset":
+                    self._set_fm_preset(element)
+                else:
+                    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 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
+
+    def _set_fm_preset(self, settings):
+        for element in settings:
+            try:
+                val = element.value
+                if self._memobj.fm_presets <= 108.0 * 10 - 650:
+                    value = int(val.get_value() * 10 - 650)
+                else:
+                    value = int(val.get_value() * 10)
+                LOG.debug("Setting fm_presets = %s" % (value))
+                self._memobj.fm_presets = value
+            except Exception, e:
+                LOG.debug(element.get_name())
+                raise



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