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Bug #679 » vxa700-ul.py

Upload used to fix TX from Bug #605 - Joseph Peterson, 03/12/2013 02:49 PM

 
# 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 3 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/>.

from chirp import chirp_common, util, directory, memmap, errors
from chirp import bitwise

import time
import struct

def _debug(string):
pass
print string

def _send(radio, data):
_debug("Sending %s" % repr(data))
radio.pipe.write(data)
radio.pipe.flush()
echo = radio.pipe.read(len(data))
if len(echo) != len(data):
raise errors.RadioError("Invalid echo")

def _spoonfeed(radio, data):
#count = 0
_debug("Writing %i:\n%s" % (len(data), util.hexprint(data)))
for byte in data:
radio.pipe.write(byte)
radio.pipe.flush()
time.sleep(0.01)
continue
# This is really unreliable for some reason,
# so just blindly send the data
echo = radio.pipe.read(1)
if echo != byte:
print "%02x != %02x" % (ord(echo), ord(byte))
raise errors.RadioError("No echo?")
#count += 1

def _download(radio):
count = 0
data = ""
while len(data) < radio.get_memsize():
count += 1
chunk = radio.pipe.read(133)
if len(chunk) == 0 and len(data) == 0 and count < 30:
continue
if len(chunk) != 132:
raise errors.RadioError("Got short block (length %i)" % len(chunk))

checksum = ord(chunk[-1])
_flag, _length, _block, _data, checksum = \
struct.unpack("BBB128sB", chunk)

cs = 0
for byte in chunk[:-1]:
cs += ord(byte)
if (cs % 256) != checksum:
raise errors.RadioError("Invalid checksum at 0x%02x" % len(data))

data += _data
_send(radio, "\x06")

if radio.status_fn:
status = chirp_common.Status()
status.msg = "Cloning from radio"
status.cur = len(data)
status.max = radio.get_memsize()
radio.status_fn(status)

return memmap.MemoryMap(data)

def _upload(radio):
for i in range(0, radio.get_memsize(), 128):
chunk = radio.get_mmap()[i:i+128]
cs = 0x20 + 130 + (i / 128)
for byte in chunk:
cs += ord(byte)
_spoonfeed(radio,
struct.pack("BBB128sB",
0x20,
130,
i / 128,
chunk,
cs % 256))
radio.pipe.write("")
# This is really unreliable for some reason, so just
# blindly proceed
# ack = radio.pipe.read(1)
ack = "\x06"
time.sleep(0.5)
if ack != "\x06":
print repr(ack)
raise errors.RadioError("Radio did not ack block %i" % (i / 132))
#radio.pipe.read(1)
if radio.status_fn:
status = chirp_common.Status()
status.msg = "Cloning to radio"
status.cur = i
status.max = radio.get_memsize()
radio.status_fn(status)

MEM_FORMAT = """
struct memory_struct {
u8 unknown1;
u8 unknown2:2,
isfm:1,
power:2,
step:3;
u8 unknown5:2,
showname:1,
skip:1,
duplex:2,
unknown6:2;
u8 tmode:2,
unknown7:6;
u8 unknown8;
u8 unknown9:2,
tone:6;
u8 dtcs;
u8 name[8];
u16 freq;
u8 offset;
};

u8 headerbytes[6];

#seekto 0x0006;
u8 invisible_bits[13];
u8 bitfield_pad[3];
u8 invalid_bits[13];

#seekto 0x017F;
struct memory_struct memory[100];
"""

CHARSET = "".join(["%i" % i for i in range(0, 10)]) + \
"".join([chr(ord("A") + i) for i in range(0, 26)]) + \
"".join([chr(ord("a") + i) for i in range(0,26)]) + \
"., :;!\"#$%&'()*+-/=<>?@[?]^_`{|}????~??????????????????????????"
TMODES = ["", "Tone", "TSQL", "DTCS"]
DUPLEX = ["", "-", "+", ""]
POWER = [chirp_common.PowerLevel("Low1", watts=0.050),
chirp_common.PowerLevel("Low2", watts=1.000),
chirp_common.PowerLevel("Low3", watts=2.500),
chirp_common.PowerLevel("High", watts=5.000)]

def _wipe_memory(_mem):
_mem.set_raw("\x00" * (_mem.size() / 8))

@directory.register
class VXA700Radio(chirp_common.CloneModeRadio):
"""Vertex Standard VXA-700"""
VENDOR = "Vertex Standard"
MODEL = "VXA-700"
_memsize = 4096

def sync_in(self):
try:
self.pipe.setTimeout(2)
self._mmap = _download(self)
except errors.RadioError:
raise
except Exception, e:
raise errors.RadioError("Failed to communicate " +
"with the radio: %s" % e)
self.process_mmap()

def sync_out(self):
#header[4] = 0x00 <- default
# 0xFF <- air band only
# 0x01 <- air band only
# 0x02 <- air band only
try:
self.pipe.setTimeout(2)
_upload(self)
except errors.RadioError:
raise
except Exception, e:
raise errors.RadioError("Failed to communicate " +
"with the radio: %s" % e)

def process_mmap(self):
self._memobj = bitwise.parse(MEM_FORMAT, self._mmap)

def get_features(self):
rf = chirp_common.RadioFeatures()
rf.has_bank = False
rf.has_ctone = False
rf.has_dtcs_polarity = False
rf.has_tuning_step = False
rf.valid_tmodes = TMODES
rf.valid_name_length = 8
rf.valid_characters = CHARSET
rf.valid_skips = ["", "S"]
rf.valid_bands = [(88000000, 165000000)]
rf.valid_tuning_steps = [5.0, 10.0, 12.5, 15.0, 20.0, 25.0, 50.0, 100.0]
rf.valid_modes = ["AM", "FM"]
rf.valid_power_levels = POWER
rf.memory_bounds = (1, 100)
return rf

def _get_mem(self, number):
return self._memobj.memory[number - 1]

def get_raw_memory(self, number):
_mem = self._get_mem(number)
return repr(_mem) + util.hexprint(_mem.get_raw())

def get_memory(self, number):
_mem = self._get_mem(number)
byte = (number - 1) / 8
bit = 1 << ((number - 1) % 8)

mem = chirp_common.Memory()
mem.number = number

if self._memobj.invisible_bits[byte] & bit:
mem.empty = True
if self._memobj.invalid_bits[byte] & bit:
mem.empty = True
return mem

if _mem.step & 0x05: # Not sure this is right, but it seems to be
mult = 6250
else:
mult = 5000

mem.freq = int(_mem.freq) * mult
mem.rtone = chirp_common.TONES[_mem.tone]
mem.dtcs = chirp_common.DTCS_CODES[_mem.dtcs]
mem.tmode = TMODES[_mem.tmode]
mem.duplex = DUPLEX[_mem.duplex]
mem.offset = int(_mem.offset) * 5000 * 10
mem.mode = _mem.isfm and "FM" or "AM"
mem.skip = _mem.skip and "S" or ""
mem.power = POWER[_mem.power]

for char in _mem.name:
try:
mem.name += CHARSET[char]
except IndexError:
break
mem.name = mem.name.rstrip()

return mem

def set_memory(self, mem):
_mem = self._get_mem(mem.number)
byte = (mem.number - 1) / 8
bit = 1 << ((mem.number - 1) % 8)

if mem.empty and self._memobj.invisible_bits[byte] & bit:
self._memobj.invalid_bits[byte] |= bit
return
if mem.empty:
self._memobj.invisible_bits[byte] |= bit
return

if self._memobj.invalid_bits[byte] & bit:
_wipe_memory(_mem)

self._memobj.invisible_bits[byte] &= ~bit
self._memobj.invalid_bits[byte] &= ~bit

_mem.unknown2 = 0x02 # Channels don't display without this
_mem.unknown7 = 0x01 # some bit in this field is related to
_mem.unknown8 = 0xFF # being able to transmit

# HACK: testing
_mem.unknown7 = 0x2F

if chirp_common.required_step(mem.freq) == 12.5:
mult = 6250
_mem.step = 0x05
else:
mult = 5000
_mem.step = 0x00

_mem.freq = mem.freq / mult
_mem.tone = chirp_common.TONES.index(mem.rtone)
_mem.dtcs = chirp_common.DTCS_CODES.index(mem.dtcs)
_mem.tmode = TMODES.index(mem.tmode)
_mem.duplex = DUPLEX.index(mem.duplex)
_mem.offset = mem.offset / 5000 / 10
_mem.isfm = mem.mode == "FM"
_mem.skip = mem.skip == "S"
try:
_mem.power = POWER.index(mem.power)
except ValueError:
_mem.power = 3 # High

for i in range(0, 8):
try:
_mem.name[i] = CHARSET.index(mem.name[i])
except IndexError:
_mem.name[i] = 0x40
_mem.showname = bool(mem.name.strip())

@classmethod
def match_model(cls, filedata, filename):
return len(filedata) == cls._memsize and \
ord(filedata[5]) == 0x0F
(2-2/2)