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New Model #4933 » test.py

Henk Groningen, 12/18/2017 01:32 PM

 
# Copyright 2017 Pavel Milanes, CO7WT, <pavelmc@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 struct
import logging

LOG = logging.getLogger(__name__)

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

# A note about the memmory in these radios
# mainly speculation until proven otherwise:
#
# The '9100' OEM software only manipulates the lower 0x180 bytes on read/write
# operations as we know, the file generated by the OEM software IN NOT an exact
# eeprom image, it's a crude text file with a pseudo csv format

MEM_SIZE = 0x180 # 384 bytes
BLOCK_SIZE = 0x10
ACK_CMD = "\x06"
MODES = ["NFM", "FM"]
SKIP_VALUES = ["S", ""]
TONES = chirp_common.TONES
DTCS = sorted(chirp_common.DTCS_CODES + [645])

# This is a general serial timeout for all serial read functions.
# Practice has show that about 0.07 sec will be enough to cover all radios.
STIMEOUT = 0.07

# this var controls the verbosity in the debug and by default it's low (False)
# make it True and you will to get a very verbose debug.log
debug = True

##### ID strings #####################################################

# BF-T1 handheld
BFT1_magic = "\x05PROGRAM"
BFT1_ident = " BF9100S"


def _clean_buffer(radio):
"""Cleaning the read serial buffer, hard timeout to survive an infinite
data stream"""

dump = "1"
datacount = 0

try:
while len(dump) > 0:
dump = radio.pipe.read(100)
datacount += len(dump)
# hard limit to survive a infinite serial data stream
# 5 times bigger than a normal rx block (20 bytes)
if datacount > 101:
seriale = "Please check your serial port selection."
raise errors.RadioError(seriale)

except Exception:
raise errors.RadioError("Unknown error cleaning the serial buffer")


def _rawrecv(radio, amount = 0):
"""Raw read from the radio device"""

# var to hold the data to return
data = ""

try:
if amount == 0:
data = radio.pipe.read()
else:
data = radio.pipe.read(amount)

# DEBUG
if debug is True:
LOG.debug("<== (%d) bytes:\n\n%s" %
(len(data), util.hexprint(data)))

# fail if no data is received
if len(data) == 0:
raise errors.RadioError("No data received from radio")

except:
raise errors.RadioError("Error reading data from radio")

return data


def _send(radio, data):
"""Send data to the radio device"""

try:
radio.pipe.write(data)

# DEBUG
if debug is True:
LOG.debug("==> (%d) bytes:\n\n%s" %
(len(data), util.hexprint(data)))
except:
raise errors.RadioError("Error sending data to radio")


def _make_frame(cmd, addr, data=""):
"""Pack the info in the header format"""
frame = struct.pack(">BHB", ord(cmd), addr, BLOCK_SIZE)

# add the data if set
if len(data) != 0:
frame += data

return frame


def _recv(radio, addr):
"""Get data from the radio"""

# Get the full 20 bytes at a time
# 4 bytes header + 16 bytes of data (BLOCK_SIZE)

# get the whole block
block = _rawrecv(radio, BLOCK_SIZE + 4)

# short answer
if len(block) < (BLOCK_SIZE + 4):
raise errors.RadioError("Wrong block length (short) at 0x%04x" % addr)

# long answer
if len(block) > (BLOCK_SIZE + 4):
raise errors.RadioError("Wrong block length (long) at 0x%04x" % addr)


# header validation
c, a, l = struct.unpack(">cHB", block[0:4])
if c != "W" or a != addr or l != BLOCK_SIZE:
LOG.debug("Invalid header for block 0x%04x:" % addr)
LOG.debug("CMD: %s ADDR: %04x SIZE: %02x" % (c, a, l))
raise errors.RadioError("Invalid header for block 0x%04x:" % addr)

# return the data, 16 bytes of payload
return block[4:]


def _start_clone_mode(radio, status):
"""Put the radio in clone mode, 3 tries"""

# cleaning the serial buffer
_clean_buffer(radio)

# prep the data to show in the UI
status.cur = 0
status.msg = "Identifying the radio..."
status.max = 3
radio.status_fn(status)

try:
for a in range(0, status.max):
# Update the UI
status.cur = a + 1
radio.status_fn(status)

# send the magic word
_send(radio, radio._magic)

# Now you get a x06 of ACK if all goes well
ack = _rawrecv(radio, 1)

if ack == ACK_CMD:
# DEBUG
LOG.info("Magic ACK received")
status.cur = status.max
radio.status_fn(status)

return True

return False

except errors.RadioError:
raise
except Exception, e:
raise errors.RadioError("Error sending Magic to radio:\n%s" % e)


def _do_ident(radio, status):
"""Put the radio in PROGRAM mode & identify it"""
# set the serial discipline (default)
radio.pipe.baudrate = 9600
radio.pipe.parity = "N"
radio.pipe.bytesize = 8
radio.pipe.stopbits = 1
radio.pipe.timeout = STIMEOUT

# open the radio into program mode
if _start_clone_mode(radio, status) is False:
raise errors.RadioError("Radio did not enter clone mode, wrong model?")

# Ok, poke it to get the ident string
_send(radio, "\x02")
ident = _rawrecv(radio, len(radio._id))

# basic check for the ident
if len(ident) != len(radio._id):
raise errors.RadioError("Radio send a odd identification block.")

# check if ident is OK
if ident != radio._id:
LOG.debug("Incorrect model ID, got this:\n\n" + util.hexprint(ident))
raise errors.RadioError("Radio identification failed.")

# handshake
_send(radio, ACK_CMD)
ack = _rawrecv(radio, 1)

#checking handshake
if len(ack) == 1 and ack == ACK_CMD:
# DEBUG
LOG.info("ID ACK received")
else:
LOG.debug("Radio handshake failed.")
raise errors.RadioError("Radio handshake failed.")

# DEBUG
LOG.info("Positive ident, this is a %s %s" % (radio.VENDOR, radio.MODEL))

return True


def _download(radio):
"""Get the memory map"""

# UI progress
status = chirp_common.Status()

# put radio in program mode and identify it
_do_ident(radio, status)

# reset the progress bar in the UI
status.max = MEM_SIZE / BLOCK_SIZE
status.msg = "Cloning from radio..."
status.cur = 0
radio.status_fn(status)

# cleaning the serial buffer
_clean_buffer(radio)

data = ""
for addr in range(0, MEM_SIZE, BLOCK_SIZE):
# sending the read request
_send(radio, _make_frame("R", addr))

# read
d = _recv(radio, addr)

# aggregate the data
data += d

# UI Update
status.cur = addr / BLOCK_SIZE
status.msg = "Cloning from radio..."
radio.status_fn(status)

# close comms with the radio
_send(radio, "\x62")
# DEBUG
LOG.info("Close comms cmd sent, radio must reboot now.")

return data


def _upload(radio):
"""Upload procedure"""

# UI progress
status = chirp_common.Status()

# put radio in program mode and identify it
_do_ident(radio, status)

# get the data to upload to radio
data = radio.get_mmap()

# Reset the UI progress
status.max = MEM_SIZE / BLOCK_SIZE
status.cur = 0
status.msg = "Cloning to radio..."
radio.status_fn(status)

# cleaning the serial buffer
_clean_buffer(radio)

# the fun start here
for addr in range(0, MEM_SIZE, BLOCK_SIZE):
# getting the block of data to send
d = data[addr:addr + BLOCK_SIZE]

# build the frame to send
frame = _make_frame("W", addr, d)

# send the frame
_send(radio, frame)

# receiving the response
ack = _rawrecv(radio, 1)

# basic check
if len(ack) != 1:
raise errors.RadioError("No ACK when writing block 0x%04x" % addr)

if ack != ACK_CMD:
raise errors.RadioError("Bad ACK writing block 0x%04x:" % addr)

# UI Update
status.cur = addr / BLOCK_SIZE
status.msg = "Cloning to radio..."
radio.status_fn(status)

# close comms with the radio
_send(radio, "\x62")
# DEBUG
LOG.info("Close comms cmd sent, radio must reboot now.")


def _model_match(cls, data):
"""Match the opened/downloaded image to the correct version"""

# we don't have a reliable fingerprint in the mem space by now.
# then we just aim for a specific zone filled with \xff
rid = data[0x0158:0x0160]

if rid == ("\xff" * 8):
return True

return False


def _decode_ranges(low, high):
"""Unpack the data in the ranges zones in the memmap and return
a tuple with the integer corresponding to the Mhz it means"""
return (int(low) * 100000, int(high) * 100000)


MEM_FORMAT = """
#seekto 0x0000; // normal 1-20 mem channels
// channel 0 is Emergent CH
struct {
lbcd rxfreq[4]; // rx freq.
u8 rxtone; // x00 = none
// x01 - x32 = index of the analog tones
// x33 - x9b = index of Digital tones
// Digital tone polarity is handled below
lbcd txoffset[4]; // the difference against RX
// pending to find the offset polarity in settings
u8 txtone; // Idem to rxtone
u8 noskip:1, // if true is included in the scan
wide:1, // 1 = Wide, 0 = Narrow
ttondinv:1, // if true TX tone is Digital & Inverted
unA:1, //
rtondinv:1, // if true RX tone is Digital & Inverted
unB:1, //
offplus:1, // TX = RX + offset
offminus:1; // TX = RX - offset
u8 empty[5];
} memory[21];

#seekto 0x0150; // Unknown data... settings?
struct {
lbcd vhfl[2]; // VHF low limit
lbcd vhfh[2]; // VHF high limit
lbcd uhfl[2]; // UHF low limit
lbcd uhfh[2]; // UHF high limit
u8 finger[8]; // can we use this as fingerprint "\xFF" * 16
u8 unk0;
u8 unk1;
u8 squelch;
u8 vox;
u8 timeout;
u8 batsave:1,
fm_funct:1,
ste:1,
blo:1,
beep:1,
lock:1,
backlight:2;
u8 scantype;
u8 channel;
u8 fmrange;
u8 alarm;
u8 voice;
u8 volume;
u16 fmvfo;
u8 relaym;
u8 tx_pwr;
} settings;

#seekto 0x0170; // Relay CH: same structure of memory ?
struct {
lbcd rxfreq[4]; // rx freq.
u8 rxtone; // x00 = none
// x01 - x32 = index of the analog tones
// x33 - x9b = index of Digital tones
// Digital tone polarity is handled below
lbcd txoffset[4]; // the difference against RX
// pending to find the offset polarity in settings
u8 txtone; // Idem to rxtone
u8 noskip:1, // if true is included in the scan
wide:1, // 1 = Wide, 0 = Narrow
ttondinv:1, // if true TX tone is Digital & Inverted
unC:1, //
rtondinv:1, // if true RX tone is Digital & Inverted
unD:1, //
offplus:1, // TX = RX + offset
offminus:1; // TX = RX - offset
u8 empty[5];
} relaych;

"""


@directory.register
class BFT1(chirp_common.CloneModeRadio, chirp_common.ExperimentalRadio):
"""Baofeng BT-F1 radio & possibly alike radios"""
VENDOR = "Baofeng"
MODEL = "BF-T1"
_vhf_range = (136000000, 174000000)
_uhf_range = (400000000, 470000000)
_upper = 20
_magic = BFT1_magic
_id = BFT1_ident

@classmethod
def get_prompts(cls):
rp = chirp_common.RadioPrompts()
rp.experimental = \
('This driver is experimental.\n'
'\n'
'Please keep a copy of your memories with the original software '
'if you treasure them, this driver is new and may contain'
' bugs.\n'
'\n'
'Channel Zero is "Emergent CH", "Relay CH" is not implemented yet,'
'FM VFO and Limits are still missing in settings tab.'
)
rp.pre_download = _(dedent("""\
Follow these instructions to download your info:

1 - Turn off your radio
2 - Connect your interface cable
3 - Turn on your radio
4 - Do the download of your radio data

"""))
rp.pre_upload = _(dedent("""\
Follow these instructions to upload your info:

1 - Turn off your radio
2 - Connect your interface cable
3 - Turn on your radio
4 - Do the upload of your radio data

"""))
return rp

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 = False
rf.has_offset = True
rf.has_mode = True
rf.valid_modes = MODES
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 = ["", "-", "+", "split"]
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 = SKIP_VALUES
rf.valid_dtcs_codes = DTCS
rf.memory_bounds = (0, self._upper)

# normal dual bands
rf.valid_bands = [self._vhf_range, self._uhf_range]

return rf

def process_mmap(self):
"""Process the mem map into the mem object"""

# Get it
self._memobj = bitwise.parse(MEM_FORMAT, self._mmap)

# set the band limits as the memmap
settings = self._memobj.settings
self._vhf_range = _decode_ranges(settings.vhfl, settings.vhfh)
self._uhf_range = _decode_ranges(settings.uhfl, settings.uhfh)

def sync_in(self):
"""Download from radio"""
data = _download(self)
self._mmap = memmap.MemoryMap(data)
self.process_mmap()

def sync_out(self):
"""Upload to radio"""

try:
_upload(self)
except errors.RadioError:
raise
except Exception, e:
raise errors.RadioError("Error: %s" % e)

def _decode_tone(self, val, inv):
"""Parse the tone data to decode from mem, it returns:
Mode (''|DTCS|Tone), Value (None|###), Polarity (None,N,R)"""

if val == 0:
return '', None, None
elif val < 51: # analog tone
return 'Tone', TONES[val - 1], None
elif val > 50: # digital tone
pol = "N"
# polarity?
if inv == 1:
pol = "R"

return 'DTCS', DTCS[val - 51], pol

def _encode_tone(self, memtone, meminv, mode, tone, pol):
"""Parse the tone data to encode from UI to mem"""

if mode == '' or mode is None:
memtone.set_value(0)
meminv.set_value(0)
elif mode == 'Tone':
# caching errors for analog tones.
try:
memtone.set_value(TONES.index(tone) + 1)
meminv.set_value(0)
except:
msg = "TCSS Tone '%d' is not supported" % tone
LOG.error(msg)
raise errors.RadioError(msg)

elif mode == 'DTCS':
# caching errors for digital tones.
try:
memtone.set_value(DTCS.index(tone) + 51)
if pol == "R":
meminv.set_value(True)
else:
meminv.set_value(False)
except:
msg = "Digital Tone '%d' is not supported" % tone
LOG.error(msg)
raise errors.RadioError(msg)
else:
msg = "Internal error: invalid mode '%s'" % mode
LOG.error(msg)
raise errors.InvalidDataError(msg)

def get_raw_memory(self, number):
return repr(self._memobj.memory[number])

def get_memory(self, number):
"""Get the mem representation from the radio image"""
_mem = self._memobj.memory[number]

# Create a high-level memory object to return to the UI
mem = chirp_common.Memory()

# Memory number
mem.number = number

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

# Freq and offset
mem.freq = int(_mem.rxfreq) * 10

# TX freq (Stored as a difference)
mem.offset = int(_mem.txoffset) * 10
mem.duplex = ""

# must work out the polarity
if mem.offset != 0:
if _mem.offminus == 1:
mem.duplex = "-"
# tx below RX

if _mem.offplus == 1:
# tx above RX
mem.duplex = "+"

# split RX/TX in different bands
if mem.offset > 71000000:
mem.duplex = "split"

# show the actual value in the offset, depending on the shift
if _mem.offminus == 1:
mem.offset = mem.freq - mem.offset
if _mem.offplus == 1:
mem.offset = mem.freq + mem.offset

# wide/narrow
mem.mode = MODES[int(_mem.wide)]

# skip
mem.skip = SKIP_VALUES[_mem.noskip]

# tone data
rxtone = txtone = None
txtone = self._decode_tone(_mem.txtone, _mem.ttondinv)
rxtone = self._decode_tone(_mem.rxtone, _mem.rtondinv)
chirp_common.split_tone_decode(mem, txtone, rxtone)


return mem

def set_memory(self, mem):
"""Set the memory data in the eeprom img from the UI"""
# get the eprom representation of this channel
_mem = self._memobj.memory[mem.number]

# if empty memmory
if mem.empty:
# the channel itself
_mem.set_raw("\xFF" * 16)
# return it
return mem

# frequency
_mem.rxfreq = mem.freq / 10

# duplex/ offset Offset is an absolute value
_mem.txoffset = mem.offset / 10

# must work out the polarity
if mem.duplex == "":
_mem.offplus = 0
_mem.offminus = 0
elif mem.duplex == "+":
_mem.offplus = 1
_mem.offminus = 0
elif mem.duplex == "-":
_mem.offplus = 0
_mem.offminus = 1
elif mem.duplex == "split":
if mem.freq > mem.offset:
_mem.offplus = 0
_mem.offminus = 1
_mem.txoffset = (mem.freq - mem.offset) / 10
else:
_mem.offplus = 1
_mem.offminus = 0
_mem.txoffset = (mem.offset - mem.freq) / 10

# wide/narrow
_mem.wide = MODES.index(mem.mode)

# skip
_mem.noskip = SKIP_VALUES.index(mem.skip)

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

return mem
# added this
def get_settings(self):
_settings = self._memobj.settings
basic = RadioSettingGroup("basic", "Basic Settings")
fm = RadioSettingGroup("fm", "FM Radio")

group = RadioSettings(basic, fm)

rs = RadioSetting("channel", "Current Channel",
RadioSettingValueInteger(1, 20, _settings.channel))
basic.append(rs)

options = ["0.5 Watt", "1.0 Watt"]
rs = RadioSetting("tx_pwr", "TX Power",
RadioSettingValueList(options,
options[_settings.tx_pwr]))
basic.append(rs)

if _settings.volume > 8:
_settings.volume = 8
rs = RadioSetting("volume", "Volume Level",
RadioSettingValueInteger(0, 9, _settings.volume))
basic.append(rs)

rs = RadioSetting("vox", "VOX Level",
RadioSettingValueInteger(0, 9, _settings.vox))
basic.append(rs)

options = ["Off"] + ["%s sec" % (x*30) for x in range(1, 7)]
rs = RadioSetting("timeout", "Time Out Timer",
RadioSettingValueList(
options, options[_settings.timeout]))
basic.append(rs)
options = ["Time", "Carrier", "Search"]
rs = RadioSetting("scantype", "Scan Type",
RadioSettingValueList(options,
options[_settings.scantype]))
basic.append(rs)
options = ["Off"] + ["%s h" % (x*0.5) for x in range(1, 17)]
rs = RadioSetting("alarm", "Alarm Time",
RadioSettingValueList(
options, options[_settings.alarm]))
basic.append(rs)

options = ["Off","English", "Chinese"]
rs = RadioSetting("voice", "Voice Prompt",
RadioSettingValueList(options,
options[_settings.voice]))
basic.append(rs)

options = ["Off", "RX sync", "TX sync"]
rs = RadioSetting("relaym", "Relay Mode",
RadioSettingValueList(options,
options[_settings.relaym]))
basic.append(rs)

options = ["Off", "Key", "On"]
rs = RadioSetting("backlight", "Backlight",
RadioSettingValueList(options,
options[_settings.backlight]))
basic.append(rs)



rs = RadioSetting("lock", "Key Lock",
RadioSettingValueBoolean(_settings.lock))
basic.append(rs)

rs = RadioSetting("beep", "Key Beep",
RadioSettingValueBoolean(_settings.beep))
basic.append(rs)

rs = RadioSetting("blo", "Busy Lockout",
RadioSettingValueBoolean(_settings.blo))
basic.append(rs)

rs = RadioSetting("ste", "Squelch Tail Eliminate",
RadioSettingValueBoolean(_settings.ste))
basic.append(rs)

rs = RadioSetting("batsave", "Battery Save",
RadioSettingValueBoolean(_settings.batsave))
basic.append(rs)

rs = RadioSetting("fm_funct", "FM Function",
RadioSettingValueBoolean(_settings.fm_funct))
fm.append(rs)

options = ["76-108", "65-76"]
rs = RadioSetting("fmrange", "FM Range",
RadioSettingValueList(options,
options[_settings.fmrange]))
fm.append(rs)

fmset = _settings.fmvfo / 10.0 + 65.0
rs = RadioSetting("fmvfo", "FM VFO",
RadioSettingValueFloat(65, 108, fmset, 0.1, 1))
def apply_fmset(setting,obj):
val = setting.value.get_value()
value = int(val * 10 - 650)
obj.fmvfo = value
rs.set_apply_callback(apply_fmset,self._memobj.settings)
fm.append(rs)
return group

def set_settings(self, settings):
_settings = self._memobj.settings
for element in settings:
if not isinstance(element, RadioSetting):
self.set_settings(element)
continue
else:
try:
name = element.get_name()
if "." in name:
bits = name.split(".")
obj = self._memobj
for bit in bits[:-1]:
if "/" in bit:
bit, index = bit.split("/", 1)
index = int(index)
obj = getattr(obj, bit)[index]
else:
obj = getattr(obj, bit)
setting = bits[-1]
else:
obj = _settings
setting = element.get_name()

if element.has_apply_callback():
LOG.debug("Using apply callback")
element.run_apply_callback()
elif setting == "beep_tone_disabled":
setattr(obj, setting, not int(element.value))
elif setting == "ste_disabled":
setattr(obj, setting, not int(element.value))
else:
LOG.debug("Setting %s = %s" % (setting, element.value))
setattr(obj, setting, element.value)
except Exception, e:
LOG.debug(element.get_name())
raise

# experimental end
@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

# DEBUG
if debug is True:
LOG.debug("BF-T1 matched!")


# testing the firmware model fingerprint
match_model = _model_match(cls, filedata)

if match_size and match_model:
return True
else:
return False
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