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New Model #2169 » fd268.py

Final patch to review by the devel team, include support for FD-268A/B, FD-288A/B - Pavel Milanes, 11/26/2015 07:46 AM

 
# Copyright 2012 Dan Smith <dsmith@danplanet.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/>.

# Driver author: Pavel, CO7WT, co7wt@frcuba.co.cu

import struct
import os
import logging

from chirp import chirp_common, directory, memmap, errors, util
from chirp import bitwise
from textwrap import dedent
from chirp.settings import RadioSettingGroup, RadioSetting, \
RadioSettingValueBoolean, RadioSettingValueList, \
RadioSettingValueString, RadioSettings

LOG = logging.getLogger(__name__)

MEM_FORMAT = """
#seekto 0x0010;
struct {
lbcd rx_freq[4];
lbcd tx_freq[4];
lbcd rx_tone[2];
lbcd tx_tone[2];
u8 unknown:4,
scrambler:1,
unknown1:1,
unknown2:1,
busy_lock:1;
u8 unknown3[3];
} memory[99];

#seekto 0x0640;
struct {
lbcd vrx_freq[4];
lbcd vtx_freq[4];
lbcd vrx_tone[2];
lbcd vtx_tone[2];
u8 shift_plus:1,
shift_minus:1,
unknown11:2,
scramble:1,
unknown12:1,
unknown13:1,
busy_lock:1;
u8 unknown14[3];
} vfo;

#seekto 0x07B0;
struct {
u8 ani_mode; // fd-288's family store the any settings here
char ani[3]; // str of the any code (200-999) inclusive
u8 unknown21[12]; // fill to match the fd-268's start
u8 unknown22:5, // x07c0, fd-268's start (LCD icons)
bw1:1, // twin setting of bw (LCD "romb")
bs1:1, // twin setting of bs (LCD "S")
warning1:1; // twin setting of warning (LCD "Tune")
u8 sql[1];
u8 monitorval;
u8 tot[1];
u8 powerrank;
u8 unknown23[3];
u8 unknown24[8];
char model[8];
u8 unknown26[8];
u8 step;
u8 unknown27:2,
power:1,
lamp:1,
lamp_auto:1,
key:1,
monitor:1,
bw:1;
u8 unknown28:3,
warning:1,
bs:1,
unknown29:1,
wmem:1,
wvfo:1;
u8 active_ch;
u8 unknown30[4];
u8 unknown31[4];
bbcd vfo_shift[4];
} settings;
"""

MEM_SIZE=0x0800
CMD_ACK = "\x06"
BLOCK_SIZE = 0x08
POWER_LEVELS = ["Low", "High"]
LIST_SQL = ["Off"] + ["%s" % x for x in range(1, 10)]
LIST_TOT = ["Off"] + ["%s" % x for x in range(10, 100, 10)]
ONOFF = ["Off", "On"]
STEPF = ["5", "10", "6.25", "12.5", "25"]
ACTIVE_CH = ["%s" % x for x in range(1, 100)]
KEY_LOCK =["Automatic", "Manual"]
BW = ["Narrow", "Wide"]
W_MODE = ["VFO", "Memory"]
VSHIFT = ["None", "-", "+"]
POWER_RANK = ["%s" % x for x in range(0, 28)]
ANI = ["Off", "BOT", "EOT", "Both"]

def raw_recv(radio, amount):
"""Raw read from the radio device"""
data = ""
try:
data = radio.pipe.read(amount)
except:
raise errors.RadioError("Error reading data from radio")

return data

def raw_send(radio, data):
"""Raw send to the radio device"""
try:
data = radio.pipe.write(data)
except:
raise errors.RadioError("Error sending data to radio")

def make_frame(cmd, addr, length = BLOCK_SIZE):
"""Pack the info in the format it likes"""
return struct.pack(">BHB", ord(cmd), addr, length)

def check_ack(r, text):
"""Check for a correct ACK from radio, rising error 'Text'
if something was wrong """
ack = raw_recv(r, 1)
if ack != CMD_ACK:
raise errors.RadioError(text)
else:
return True

def send(radio, frame, data = ""):
"""Generic send data to the radio"""
raw_send(radio, frame)
if data != "":
raw_send(radio, data)
check_ack(radio, "Radio didn't ack the last block of data")

def recv(radio):
"""Generic receive data from the radio, return just data"""
# you must get it all 12 at once (4 header + 8 data)
rxdata = raw_recv(radio, 12)
if (len(rxdata) != 12):
raise errors.RadioError(
"Radio sent %i bytes, we expected 12" % (len(rxdata)))
else:
data = rxdata[4:]
send(radio, CMD_ACK)
check_ack(radio, "Radio didn't ack the sended data")
return data

def do_program(radio):
"""Feidaxin program mode and identification dance"""
def do_magic():
"""Try to get the radio in program mode, the factory software
(FDX-288) tries up to ~16 times to get the correct response,
we will do the same, but with a lower count."""
tries = 8
# UI information
status = chirp_common.Status()
status.cur = 0
status.max = tries
status.msg = "Linking to radio, please wait."
radio.status_fn(status)

# every byte of this magic chain must be send separatedly
magic = "\x02PROGRA"

# start the fun, finger crossed please...
for a in range(0, tries):
# UI update
status.cur = a
radio.status_fn(status)
for i in range(0, len(magic)):
# this is needed due to timming
send(radio, magic[i])

# Now you get a x06 of ACK
ack = raw_recv(radio, 1)
if ack == CMD_ACK:
return True

return False

# try to get the radio in program mode
ack = do_magic()
if not ack:
erc = "Radio did not accept program mode, "
erc += "check your cable and radio; then try again."
raise errors.RadioError(erc)

# now we request identification
send(radio, "M")
send(radio, "\x02")
ident = raw_recv(radio, 8)

################# WARNING ##########################################
# Feidaxin radios has a "send id" procedure in the initial handshake
# but it's worthless, once you do a hardware reset the ident area
# get all 0xFF.
#
# Even FDX-288 software appears to match the model by any other
# mean, so I detected on a few images that the 3 first bytes are
# unique to each radio model, so for now we use that method untill
# proven otherwise
####################################################################

LOG.debug("Radio's ID string:")
LOG.debug(util.hexprint(ident))

# final ACK
send(radio, CMD_ACK)
check_ack(radio, "Radio refused to enter programming mode")

def do_download(radio):
""" The download function """
do_program(radio)
# UI progress
status = chirp_common.Status()
status.cur = 0
status.max = MEM_SIZE
status.msg = "Cloning from radio..."
radio.status_fn(status)
data = ""
for addr in range(0x0000, MEM_SIZE, BLOCK_SIZE):
send(radio, make_frame("R", addr))
d = recv(radio)
data += d
# UI Update
status.cur = addr
radio.status_fn(status)

return memmap.MemoryMap(data)

def do_upload(radio):
"""The upload function"""
do_program(radio)
# UI progress
status = chirp_common.Status()
status.cur = 0
status.max = MEM_SIZE
status.msg = "Cloning to radio..."
radio.status_fn(status)

for addr in range(0x0000, MEM_SIZE, BLOCK_SIZE):
send(radio, make_frame("W",addr), \
radio.get_mmap()[addr:addr+BLOCK_SIZE])
# UI Update
status.cur = addr
radio.status_fn(status)

def model_match(cls, data):
"""Use a experimental guess to determine if the radio you just
downloaded or the img opened you is for this model"""

# Using a few imgs of some FD radio I found that the four first
# bytes it's like the model fingerprint, so we have to testing the
# model type with this experimental method so far.
fp = data[0:4]
if fp == cls._IDENT:
return True
else:
LOG.debug("Unknowd Feidaxing radio, ID:")
LOG.debug(util.hexprint(fp))
print("Unknowd Feidaxing radio, ID:")
print util.hexprint(fp)
return False

class FeidaxinFD2x8yRadio(chirp_common.CloneModeRadio):
"""Feidaxin FD-268x & 288x Radios"""
VENDOR = "Feidaxin"
MODEL = "FD-268A/B & FD-288A/B"
BAUD_RATE = 9600
_memsize = MEM_SIZE
_upper = 99
_VFO_DEFAULT = 0
_IDENT = ""
_active_ch = ACTIVE_CH

@classmethod
def get_prompts(cls):
rp = chirp_common.RadioPrompts()
rp.experimental = \
('The program mode of this radio has his tricks, '
'so this driver is *completely experimental*.')
rp.pre_download = _(dedent("""\
This radio has a tricky way of enter into program mode,
even the original software has a few tries to get inside.

I will try 8 times (most the time ~3 will doit) and this
can take a few seconds, if don't work, try again a few times.

If you can get into it, please check the radio and cable.
"""))
rp.pre_upload = _(dedent("""\
This radio has a tricky way of enter into program mode,
even the original software has a few tries to get inside.

I will try 8 times (most the time ~3 will doit) and this
can take a few seconds, if don't work, try again a few times.

If you can get into it, please check the radio and cable.
"""))
return rp

def get_features(self):
"""Return information about this radio's features"""
rf = chirp_common.RadioFeatures()
# this feature is READ ONLY by now.
rf.has_settings = True
rf.has_bank = False
rf.has_tuning_step = False
rf.has_name = False
rf.has_offset =True
rf.has_mode = False
rf.has_dtcs = True
rf.has_rx_dtcs = True
rf.has_dtcs_polarity = True
rf.has_ctone = True
rf.has_cross = True
rf.valid_duplexes = ["", "-", "+", "off"]
rf.valid_tmodes = ['', 'Tone', 'TSQL', 'DTCS', 'Cross']
# we have to remove "Tone->" because this is the same to "TQSL"
# I get a few days hitting the wall with my head about this...
rf.valid_cross_modes = [
"Tone->Tone",
"DTCS->",
"->DTCS",
"Tone->DTCS",
"DTCS->Tone",
"->Tone",
"DTCS->DTCS"]
# Power levels are golbal and no per channel, so disabled
#rf.valid_power_levels = POWER_LEVELS
# this radio has no skips
rf.valid_skips = []
# this radio modes are global and not per channel, so just FM
rf.valid_modes = ["FM"]
rf.valid_bands = [self._range]
rf.memory_bounds = (1, self._upper)
return rf

def sync_in(self):
"""Do a download of the radio eeprom"""
data = do_download(self)

# as the radio comm protocol's identification is useless
# we test the model after having the img
if not model_match(self, data):
# ok, wrong model, fire an error
erc = "EEPROM fingerprint don't match, check if you "
erc += "selected the right radio model."
raise errors.RadioError(erc)

# all ok
self._mmap = data
self.process_mmap()

def sync_out(self):
"""Do an upload to the radio eeprom"""
do_upload(self)

def process_mmap(self):
"""Process the memory object.
Used in the download & interpretation of the eeporm and files"""
self._memobj = bitwise.parse(MEM_FORMAT, self._mmap)

def get_raw_memory(self, number):
"""Return a raw representation of the memory object"""
return repr(self._memobj.memory[number])

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 get_memory(self, number):
"""Extract a high-level memory object from the low-level
memory map, This is called to populate a memory in the UI"""
# Get a low-level memory object mapped to the image
_mem = self._memobj.memory[number -1 ]
# Create a high-level memory object to return to the UI
mem = chirp_common.Memory()
# number
mem.number = number

# empty
if _mem.get_raw()[0] == "\xFF":
mem.empty = True
return mem

# rx freq
mem.freq = int(_mem.rx_freq) *10

# checking if tx freq is empty, this is "possible" on the
# original soft after a warning, and radio is happy with it
if _mem.tx_freq.get_raw() == "\xFF\xFF\xFF\xFF":
mem.duplex = "off"
mem.offset = 0
else:
rx = int(_mem.rx_freq) * 10
tx = int(_mem.tx_freq) * 10
if tx == rx:
mem.offset = 0
mem.duplex = ""
else:
mem.duplex = rx > tx and "-" or "+"
mem.offset = abs(tx - rx)

# tone data
txtone = self._decode_tone(_mem.tx_tone)
rxtone = self._decode_tone(_mem.rx_tone)
chirp_common.split_tone_decode(mem, txtone, rxtone)

# Extra setting group, FD-268 don't uset it at all
# FD-288's do?
mem.extra = RadioSettingGroup("extra", "Extra")
busy = RadioSetting("Busy", "Busy Channel Lockout",
RadioSettingValueBoolean(
bool(_mem.busy_lock)))
mem.extra.append(busy)
scramble = RadioSetting("Scrambler", "Scrambler Option",
RadioSettingValueBoolean(
bool(_mem.scrambler)))
mem.extra.append(scramble)

# return mem
return mem

def set_memory(self, mem):
"""Store details about a high-level memory to the memory map
This is called when a user edits a memory in the UI"""
# Get a low-level memory object mapped to the image
_mem = self._memobj.memory[mem.number - 1]

# Empty memory
if mem.empty:
_mem.set_raw("\xFF" * 16)
return

# freq rx
_mem.rx_freq = mem.freq / 10

# freq tx
if mem.duplex == "+":
_mem.tx_freq = (mem.freq + mem.offset) / 10
elif mem.duplex == "-":
_mem.tx_freq = (mem.freq - mem.offset) / 10
elif mem.duplex == "off":
for i in range(0, 4):
_mem.tx_freq[i].set_raw("\xFF")
else:
_mem.tx_freq = mem.freq / 10

# tone data
((txmode, txtone, txpol), (rxmode, rxtone, rxpol)) = \
chirp_common.split_tone_encode(mem)
self._encode_tone(_mem.tx_tone, txmode, txtone, txpol)
self._encode_tone(_mem.rx_tone, rxmode, rxtone, rxpol)

# extra settings
for setting in mem.extra:
setattr(_mem, setting.get_name(), setting.value)

return mem

def get_settings(self):
"""Translate the bit in the mem_struct into settings in the UI"""
_mem = self._memobj
basic = RadioSettingGroup("basic", "Basic")
work = RadioSettingGroup("work", "Work Mode Settings")
top = RadioSettings(basic, work)

# Basic
sql = RadioSetting("settings.sql", "Squelch Level",
RadioSettingValueList(LIST_SQL,
LIST_SQL[_mem.settings.sql]))
basic.append(sql)

tot = RadioSetting("settings.tot", "Time out timer",
RadioSettingValueList(LIST_TOT,
LIST_TOT[_mem.settings.tot]))
basic.append(tot)

power = RadioSetting("settings.power", "Actual Power",
RadioSettingValueList(POWER_LEVELS,
POWER_LEVELS[
_mem.settings.power]))
basic.append(power)

key_lock = RadioSetting("settings.key", "Keyboard Lock",
RadioSettingValueList(KEY_LOCK,
KEY_LOCK[_mem.settings.key]))
basic.append(key_lock)

bw = RadioSetting("settings.bw", "Bandwidth",
RadioSettingValueList(BW,
BW[_mem.settings.bw]))
basic.append(bw)

powerrank = RadioSetting("settings.powerrank", "Power output adjust",
RadioSettingValueList(POWER_RANK,
POWER_RANK[_mem.settings.powerrank]))
basic.append(powerrank)

lamp = RadioSetting("settings.lamp", "LCD Lamp",
RadioSettingValueBoolean(
_mem.settings.lamp))
basic.append(lamp)

lamp_auto = RadioSetting("settings.lamp_auto", "LCD Lamp auto on/off",
RadioSettingValueBoolean(
_mem.settings.lamp_auto))
basic.append(lamp_auto)

bs = RadioSetting("settings.bs", "Battery Save",
RadioSettingValueBoolean(
_mem.settings.bs))
basic.append(bs)

warning = RadioSetting("settings.warning", "Warning Alerts",
RadioSettingValueBoolean(
_mem.settings.warning))
basic.append(warning)

monitor = RadioSetting("settings.monitor", "Monitor key",
RadioSettingValueBoolean(
_mem.settings.monitor))
basic.append(monitor)

# Work mode settings
wmset = RadioSetting("settings.wmem", "VFO/MR Mode",
RadioSettingValueList(W_MODE,
W_MODE[_mem.settings.wmem]))
work.append(wmset)

active_ch = RadioSetting("settings.active_ch", "Work Channel",
RadioSettingValueList(ACTIVE_CH,
ACTIVE_CH[_mem.settings.active_ch]))
work.append(active_ch)

# vfo rx validation
if _mem.vfo.vrx_freq.get_raw()[0] == "\xFF":
# if the vfo is not set, the UI cares about the
# length of the field, so set a default
LOG.debug("VFO freq not set, setting it to default %s" \
% self._VFO_DEFAULT)
vfo = self._VFO_DEFAULT
else:
vfo = int(_mem.vfo.vrx_freq) * 10

vf_freq = RadioSetting("vfo.vrx_freq", "VFO frequency",
RadioSettingValueString(0, 10,
chirp_common.format_freq(vfo)))
work.append(vf_freq)

# shift works
# VSHIFT = ["None", "-", "+"]
sset = 0
if bool(_mem.vfo.shift_minus) == True:
sset = 1
elif bool(_mem.vfo.shift_plus) == True:
sset = 2

shift = RadioSetting("shift", "VFO Shift",
RadioSettingValueList(VSHIFT,
VSHIFT[sset]))
work.append(shift)

# vfo shift validation if none set it to ZERO
if _mem.settings.vfo_shift.get_raw()[0] == "\xFF":
# if the shift is not set, the UI cares about the
# length of the field, so set to zero
LOG.debug("VFO shift not set, setting it to zero")
vfo_shift = 0
else:
vfo_shift = int(_mem.settings.vfo_shift) * 10

offset = RadioSetting("settings.vfo_shift", "VFO Offset",
RadioSettingValueString(0, 9,
chirp_common.format_freq(vfo_shift)))
work.append(offset)

step = RadioSetting("settings.step", "VFO step",
RadioSettingValueList(STEPF,
STEPF[_mem.settings.step]))
work.append(step)

# at least for FD-268A/B it doesn't work as stated, so disabled
# by now
#scamble = RadioSetting("vfo.scramble", "Scramble",
#RadioSettingValueList(ONOFF,
#ONOFF[int(_mem.vfo.scramble)]))
#work.append(scamble)

#busy_lock = RadioSetting("vfo.busy_lock", "Busy Lock out",
#RadioSettingValueList(ONOFF,
#ONOFF[int(_mem.vfo.busy_lock)]))
#work.append(busy_lock)

# FD-288 Family ANI settings
if "FD-288" in self.MODEL:
ani_mode = RadioSetting("settings.ani_mode", "ANI ID",
RadioSettingValueList(ANI,
ANI[_mem.settings.ani_mode]))
work.append(ani_mode)

# it can't be \xFF
ani_value = str(_mem.settings.ani)
if ani_value == "\xFF\xFF\xFF":
ani_value = "200"

ani_value = "".join(x for x in ani_value if (int(x) >= 2 and int(x) <= 9))

ani = RadioSetting("settings.ani", "ANI (200-999)",
RadioSettingValueString(0, 3, ani_value))
work.append(ani)

return top

def set_settings(self, settings):
"""Translate the settings in the UI into bit in the mem_struct
I don't understand well the method used in many drivers
so, I used mine, ugly but works ok"""
def _get_shift(obj):
"""Get the amount of offset in the memmap"""
shift = 0
sf = str(obj.settings.vfo_shift)
if sf[0] != "\xFF":
shift = int(mobj.settings.vfo_shift) * 10
return shift

def _get_vrx(obj):
"""Get the vfo rx freq"""
return int(obj.vfo.vrx_freq) * 10

def _update_vtx(o, rx, offset):
"""Update the Vfo TX mem from the value of rx & the offset"""
# check the shift sign
plus = bool(getattr(o, "shift_plus"))
minus = bool(getattr(o, "shift_minus"))

if plus:
o.vtx_freq = (rx + offset) / 10
elif minus:
o.vtx_freq = (rx - offset) / 10
else:
o.vtx_freq = rx / 10

mobj = self._memobj
flag = False
for element in settings:
if not isinstance(element, RadioSetting):
self.set_settings(element)
continue

# Let's roll the ball
if "." in element.get_name():
# real properties, more or less mapeable
inter, setting = element.get_name().split(".")
obj = getattr(mobj, inter)
value = element.value

# test on this cases .......
if setting in ["sql", "tot", "powerrank", \
"active_ch", "ani_mode"]:
value = int(value)

# test on this cases .......
if setting in ["lamp", "lamp_auto", "bs", \
"warning","monitor"]:
value = bool(value)
# warning and bs have a sister setting in LCD
if setting == "warning" or setting == "bs":
# aditional setting
setattr(obj, setting + "1", value)

# monitorval: monitor = 0 > monitorval = 0
# monitorval: monitor = 1 > monitorval = x30
if setting == "monitor":
# sister setting in LCD
if value:
setattr(obj, "monitorval", 0x30)
else:
setattr(obj, "monitorval", 0)

# case power
if setting == "power":
value = str(value) == "High" and True or False

# case key
# key => auto = 0, manu = 1
if setting == "key":
value = str(value) == "Manual" and True or False

# case bandwidth
# bw: 0 = nar, 1 = Wide & must equal bw1
if setting == "bw":
value = str(value) == "Wide" and True or False
# sister attr
setattr(obj, "bw1", value)

# work mem wmem/wvfo
if setting == "wmem":
if str(value) == "Memory":
value = True
# sister attr
setattr(obj, "wvfo", not value)
else:
value = False
# sister attr
setattr(obj, "wvfo", not value)

# case step
# STEPF = ["5", "10", "6.25", "12.5", "25"]
if setting == "step":
value = STEPF.index(str(value))

# case vrx_freq
if setting == "vrx_freq":
value = chirp_common.parse_freq(str(value)) / 10
# you must calculate the apropiate txfreq from shift and offset
# verify shift
shift = _get_shift(mobj)
# update the tx vfo freq
_update_vtx(obj, value * 10, shift)

# vfo_shift = offset
if setting == "vfo_shift":
value = chirp_common.parse_freq(str(value)) / 10
# you must calculate the apropiate txfreq from shift and offset
# get vfo rx
vrx = _get_vrx(mobj)
# update the tx vfo freq
_update_vtx(mobj.vfo, vrx, value * 10)

# at least for FD-268A/B it doesn't work as stated, so disabled
# by now, does this work on the fd-288s?

## case scramble & busy_lock
#if setting == "scramble" or setting == "busy_lock":
#value = bool(ONOFF.index(str(value)))

# ani value, only for FD-288
if setting == "ani":
if "FD-268" in self.MODEL:
# 268 doesn't have ani setting
continue
else:
# 288 models, validate the input [200-999] | ""
# we will left adjust and zero pad to avoid errors
# between inputs in the UI
value = str(value).strip().ljust(3, "0")
value = int(value)
if value == 0:
value = 200
else:
if value > 999 or value < 200:
raise errors.InvalidValueError(
"The ANI value must be between 200 and 999, not %03i" % value)

value = str(value)

else:
# Others that are artifact for real values, not than mapeables
# selecting the values to work
setting = str(element.get_name())
value = str(element.value)

# vfo_shift
if setting == "shift":
# get shift
offset = _get_shift(mobj)
# get vfo rx
vrx = _get_vrx(mobj)

# VSHIFT = ["None", "-", "+"]
if value == "+":
mobj.vfo.shift_plus = True
mobj.vfo.shift_minus = False
elif value == "-":
mobj.vfo.shift_plus = False
mobj.vfo.shift_minus = True
else:
mobj.vfo.shift_plus = False
mobj.vfo.shift_minus = False

# update the tx vfo freq
_update_vtx(mobj.vfo, vrx, offset)

if setting != "shift":
setattr(obj, setting, value)

@classmethod
def match_model(cls, filedata, filename):
match_size = False
match_model = False

# testing the file data size
if len(filedata) == MEM_SIZE:
match_size = True

# testing the firmware fingerprint, this experimental
match_model = model_match(cls, filedata)

if match_size and match_model:
return True
else:
return False

##
## FD-268 family: this are the original tested models, FD-268B UHF
## was tested "remotely" just have the 268A at hand to test.
##

@directory.register
class FD268ARadio(FeidaxinFD2x8yRadio):
"""Feidaxin FD-268A Radio"""
MODEL = "FD-268A"
_range = (136000000, 174000000)
_VFO_DEFAULT = 145000000
_IDENT = "\xFF\xEE\x46\xFF"

@directory.register
class FD268BRadio(FeidaxinFD2x8yRadio):
"""Feidaxin FD-268B Radio"""
MODEL = "FD-268B"
_range = (400000000, 470000000)
_VFO_DEFAULT = 439000000
_IDENT = "\xFF\xEE\x44\xFF"

##
## FD-288 Family: the only difference from this family to the FD-268's
## are the ANI settings
##

@directory.register
class FD288ARadio(FeidaxinFD2x8yRadio):
"""Feidaxin FD-288A Radio"""
MODEL = "FD-288A"
_range = (136000000, 174000000)
_VFO_DEFAULT = 145000000
_IDENT = "\xFF\xEE\x4B\xFF"

@directory.register
class FD288BRadio(FeidaxinFD2x8yRadio):
"""Feidaxin FD-288 Radio"""
MODEL = "FD-288B"
_range = (400000000, 470000000)
_VFO_DEFAULT = 439000000
_IDENT = "\xFF\xEE\x4C\xFF"

#######################################################################$
# This is are just rough guesses and must be tested with radios
# on hand to test it, but, playing with FDX-288 soft & chirp
# it looks promising
########################################################################

#@directory.register
#class FD160ARadio(FeidaxinFD2x8yRadio):
#"""Feidaxin FD-160A Radio"""
#MODEL = "FD-160A"
#_range = (136000000, 174000000)
#_VFO_DEFAULT = 145000000
#_IDENT = "\xFF\xEE\x48\xFF"

#@directory.register
#class FD460ARadio(FeidaxinFD2x8yRadio):
#"""Feidaxin FD-460A Radio"""
#MODEL = "FD-460A"
#_range = (400000000, 470000000)
#_VFO_DEFAULT = 439000000
#_IDENT = "\xFF\xEE\x4A\xFF"

#@directory.register
#class FD450ARadio(FeidaxinFD2x8yRadio):
#"""Feidaxin FD-450A Radio"""
#MODEL = "FD-450A"
#_range = (400000000, 470000000)
#_VFO_DEFAULT = 439000000
#_IDENT = "\xFF\xEE\x44\xFF"
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