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# Copyright 2022 Dan Smith <chirp@f.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/>.
import binascii
import os
import unittest
from unittest import mock
from chirp import directory
from chirp.drivers import alinco, alinco_dr735t
from chirp import memmap
class FakeAlincoSerial:
"""Behaves like a Serial with an Alinco radio connected"""
def __init__(self, image):
self.image = memmap.MemoryMapBytes(open(image, 'rb').read())
self.readbuf = []
self.ident = b''
def zero(self):
"""Zero the mmap before an upload"""
self.image = memmap.MemoryMapBytes(b'\x00' * len(self.image))
def _handle_rw_dr735tn(self, data):
if b'R' in data:
addr_idx = data.index(b'R')-4
elif b'W' in data:
addr_idx = data.index(b'W')-4
else:
raise Exception('Unable to handle RW command %r' % data)
addr = int(data[addr_idx: addr_idx+4], 16)
cmd = chr(data[addr_idx+4])
if cmd == 'R':
bin_chunk = self.image[addr:addr+64]
hex_chunk = binascii.hexlify(bin_chunk)
assert (len(hex_chunk) == 128)
self.readbuf.append(hex_chunk)
self.readbuf.append(b'\r\n')
if cmd == 'W':
hex_chunk = data[addr_idx+5:addr_idx+128+5].decode()
bin_chunk = binascii.unhexlify(hex_chunk)
self.image[addr] = bin_chunk
self.readbuf.append(b'OK\r\n')
def _handle_rw(self, data):
if b'R' in data:
cmdindex = data.index(b'R')
elif b'W' in data:
cmdindex = data.index(b'W')
else:
raise Exception('Unable to handle RW command %r' % data)
if cmdindex - 4 == 4:
block_size = 16
else:
block_size = 64
addr = int(data[4:cmdindex], 16)
cmd = data[cmdindex:cmdindex + 1]
if cmd == b'R':
chunk = binascii.hexlify(self.image[addr:addr + block_size])
if b'DJ175' in self.ident:
# The DJ175 uses 16-byte blocks, but without the colon
# separator
self.readbuf.append(b'%s\r\n' % chunk)
elif block_size == 64:
self.readbuf.append(b'\r\n%s\r\n' % chunk)
else:
self.readbuf.append(b'\r\n%04X:%s\r\n' % (addr, chunk))
elif cmd == b'W':
chunk = binascii.unhexlify(data[cmdindex + 1:].rstrip())
if len(chunk) != block_size:
raise Exception('Expected %i, got %i' % (block_size,
len(chunk)))
self.image[addr] = chunk
if block_size == 64:
self.readbuf.append(b'OK\r\n\r\n')
else:
raise Exception('Unable to handle command %s: %r' % (cmd, data))
def write(self, data):
"""Write to the radio (i.e. buffer some response for read)"""
# Serial port echo
self.readbuf.append(data)
ident_ack = b'OK\r\n\r\n'
if data.startswith(b'DR'):
self.ident = data.strip()
self.readbuf.append(ident_ack)
elif data.startswith(b'AL~DJ-G7'):
self.ident = data.strip()
self.readbuf.append(ident_ack)
elif data.startswith(b'DJ'):
self.ident = data.strip()
self.readbuf.append(ident_ack)
elif data.startswith(b'AL~F'):
self._handle_rw(data)
elif data.startswith(b'AL~E') and self.ident != b"DR735TN":
self.readbuf.append(b'OK' * 10)
elif data.startswith(b'AL~WHO'):
# radio responds with model to WHO
self.ident = b"DR735TN"
# expect back "DR735TN\r\nOK\r\n"
self.readbuf.append(self.ident+b"\r\n")
elif data.startswith(b'AL~DR735J'):
# this is somehow making the radio writeable...
self.readbuf.append(b'OK\r\n')
elif data.startswith(b'AL~RESET') and self.ident == b"DR735TN":
self.readbuf.append(b'OK\r\n')
elif data.startswith(b'AL~EEPEL'):
self._handle_rw_dr735tn(data)
else:
raise Exception('Unable to handle %r' % data)
def read(self, length):
"""Read from the radio (i.e. generate a radio's response)"""
if len(self.readbuf[0]) == length:
return self.readbuf.pop(0)
else:
raise Exception('Read of %i not match %i %r' % (
length, len(self.readbuf[0]), self.readbuf[0]))
class AlincoCloneTest(unittest.TestCase):
def _test_alinco_download(self, rclass, image):
pipe = FakeAlincoSerial(image)
radio = rclass(pipe)
radio.sync_in()
if not radio.NEEDS_COMPAT_SERIAL:
self.assertIsInstance(radio._mmap, memmap.MemoryMapBytes)
def _test_alinco_upload(self, rclass, image):
pipe = FakeAlincoSerial(image)
pipe.zero()
radio = rclass(image)
radio.pipe = pipe
radio.sync_out()
ref_image = open(image, 'rb').read()
self.assertEqual(ref_image[0x200:rclass._memsize],
pipe.image.get_packed()[0x200:rclass._memsize])
def _test_alinco(self, rclass):
ident = directory.radio_class_id(rclass)
image = os.path.join(os.path.dirname(__file__),
'..', 'images',
'%s.img' % ident)
with mock.patch('time.sleep'):
self._test_alinco_upload(rclass, image)
self._test_alinco_download(rclass, image)
def test_djg7(self):
self._test_alinco(alinco.AlincoDJG7EG)
def test_dr235(self):
self._test_alinco(alinco.DR235Radio)
def test_dr735(self):
self._test_alinco(alinco_dr735t.AlincoDR735T)
def test_dj175(self):
# The 175 has a slightly different download string, so test it
# specifically
self._test_alinco(alinco.DJ175Radio)
def test_all_alinco_identify(self):
# Make sure all the alinco models have bytes for their _model
# and can identify properly
alincos = [x for x in directory.DRV_TO_RADIO.values()
if x.VENDOR == 'Alinco']
for rclass in alincos:
pipe = FakeAlincoSerial(__file__)
radio = rclass(None)
radio.pipe = pipe
radio._identify()
self.assertEqual(pipe.ident, radio._model)
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