def process_read_data(self, data: bytes):
"""
functions to process byte data and show it
:param data: byte data from comport
:return:
"""
self.counter += len(data)
read = self.decode_input(data)
if read:
# if timestamps
if self.text_settings.timestamps:
delta = datetime.datetime.now() - self.start_time
lines = read.split('\r')
start = str(delta) + ': ' if not self.time_shown else ""
if len(lines) == 1 or lines[-1] not in ['', '\n']:
self.time_shown = True
else:
self.time_shown = False
if self.CBHex.isChecked():
lines = [common_functions.hexify(line) for line in lines]
read_to_show = ('\r' + str(delta) + ': ').join(lines) if lines[-1] not in ['', '\n'] else \
('\r' + str(delta) + ': ').join(lines[:-1]) + lines[-1]
read_to_show = start + read_to_show
else:
read_to_show: str = common_functions.hexify(
read) if self.CBHex.isChecked() else read.replace(
"\n", "")
self.move_cursor_and_write(
read_to_show, QtGui.QColor(*self.colors['font-receive']))
self.show_graph_data(read)
self.LblCounterData.setText(str(self.counter))
if self.text_settings.scroll:
scroll = self.TxtBuffer.verticalScrollBar().maximum()
self.TxtBuffer.verticalScrollBar().setValue(scroll)
def write_data(self, text: Union[str, bytes], encode=True, hexes=True) -> int:
"""
writes data to comport
:param hexes: convert hexes or not
:param encode: True if we need to encode
:param text: text to send
:return: -1 if failed 0 if ok
"""
commands = common_functions.split_with_bytes(text) if hexes and encode else [text]
res_command = bytes()
for command in commands:
if common_functions.is_byte(command):
add_command = bytes.fromhex(command[1:]) if encode else command
else:
add_command = bytes(command, encoding='utf-8') if encode else command
res_command += add_command
res = self.serial_port.write(res_command)
self.serial_port.flush()
if res != len(res_command):
common_functions.error_message('Data was not sent correctly')
return -1
if self.text_settings.show_sent and encode:
self.TxtBuffer.setStyleSheet("background-color:rgb%s" % str(self.colors['background-color']))
self.TxtBuffer.setTextBackgroundColor(QtGui.QColor(*self.colors['background-color']))
for command in commands:
if common_functions.is_byte(command):
self.TxtBuffer.setTextColor(QtGui.QColor(*self.colors['bytes-color']))
else:
self.TxtBuffer.setTextColor(QtGui.QColor(*self.colors['font-transmit']))
command_to_show: str = common_functions.hexify(command) if self.CBHex.isChecked() else command
self.TxtBuffer.insertPlainText(command_to_show)
if self.text_settings.scroll:
scroll = self.TxtBuffer.verticalScrollBar().maximum()
self.TxtBuffer.verticalScrollBar().setValue(scroll)
return 0
def read_data(self):
"""
reads data from comport
:return:
"""
read: str = ""
try:
read += self.serial_port.readAll().data().decode('utf-8')
self.statusbar.clearMessage()
except UnicodeDecodeError:
self.statusbar.showMessage("Unicode decode error")
if read:
self.TxtBuffer.setTextBackgroundColor(QtGui.QColor(*self.colors['background-color']))
self.TxtBuffer.setTextColor(QtGui.QColor(*self.colors['font-receive']))
self.counter += len(read)
self.LblCounterData.setText(str(self.counter))
read_to_show: str = common_functions.hexify(read) if self.CBHex.isChecked() else read
if self.text_settings.timestamps:
delta = datetime.datetime.now() - self.start_time
if self.counter == 0:
read_to_show = '\n' + str(delta) + ': ' + read_to_show
read_to_show = read_to_show.replace("\r", "\r\n%s: " % delta)
self.TxtBuffer.insertPlainText(read_to_show)
if self.text_settings.scroll:
scroll = self.TxtBuffer.verticalScrollBar().maximum()
self.TxtBuffer.verticalScrollBar().setValue(scroll)
def write_data(self,
text: Union[str, bytes],
encode=True,
hexes=True,
use_variables=True) -> int:
"""
writes data to comport
:param use_variables: use variables replace or not
:param hexes: convert hexes or not
:param encode: True if we need to encode
:param text: text to send
:return: -1 if failed 0 if ok
"""
# saving settings before writing
self.settings_form = settings.Settings(self.port_settings,
self.text_settings, self.colors,
self.current_font)
self.settings_form.save_settings()
if use_variables:
text = common_functions.replace_variables(text,
self.var_form.var_dict)
commands = common_functions.split_with_bytes(
text) if hexes and encode else [text]
res_command = bytes()
for command in commands:
if common_functions.is_byte(command):
add_command = bytes.fromhex(command[1:]) if encode else command
else:
add_command = bytes(command,
encoding='utf-8') if encode else command
res_command += add_command
if len(res_command) % data_types.endpoint != 0:
res_write = self.write_to_port(res_command)
if res_write == -1:
return -1
else:
# last packet is lost if its lendth is even to endpoint
res_first = self.write_to_port(res_command[:-data_types.endpoint //
2])
res_second = self.write_to_port(res_command[-data_types.endpoint //
2:])
if res_first == -1 or res_second == -1:
return -1
if self.text_settings.show_sent and encode:
for command in commands:
if common_functions.is_byte(command):
color = QtGui.QColor(*self.colors['bytes-color'])
else:
color = QtGui.QColor(*self.colors['font-transmit'])
command_to_show: str = common_functions.hexify(
command) if self.CBHex.isChecked() else command
self.move_cursor_and_write(command_to_show, color)
return 0
def read_data(self):
"""
reads data from comport
:return:
"""
read: str = ""
data: bytes = self.serial_port.readAll().data()
self.TxtBuffer.setTextBackgroundColor(
QtGui.QColor(*self.colors['background-color']))
# decoding block
try:
read += data.decode('ascii')
self.statusbar.clearMessage()
except UnicodeDecodeError:
if self.text_settings.decode == 1:
for byte in data:
try:
if byte < 128:
char = chr(byte)
self.TxtBuffer.setTextColor(
QtGui.QColor(*self.colors['font-receive']))
else:
char = '?'
self.TxtBuffer.setTextColor(QtGui.QColor(
255, 0, 0))
except ValueError:
char = '?'
self.TxtBuffer.setTextColor(QtGui.QColor(255, 0, 0))
self.TxtBuffer.insertPlainText(char)
self.counter += 1
if self.text_settings.decode == 2:
try:
read = data.decode('cp1251')
except UnicodeDecodeError:
self.counter += len(data)
self.statusbar.showMessage("Unicode decode error")
if read:
self.TxtBuffer.setTextColor(
QtGui.QColor(*self.colors['font-receive']))
self.counter += len(read)
# if timestamps
if self.text_settings.timestamps:
delta = datetime.datetime.now() - self.start_time
lines = read.split('\r')
start = str(delta) + ': ' if not self.time_shown else ""
if len(lines) == 1 or lines[-1] not in ['', '\n']:
self.time_shown = True
else:
self.time_shown = False
if self.CBHex.isChecked():
lines = [common_functions.hexify(line) for line in lines]
read_to_show = ('\r' + str(delta) + ': ').join(lines) if lines[-1] not in ['', '\n'] else \
('\r' + str(delta) + ': ').join(lines[:-1]) + lines[-1]
read_to_show = start + read_to_show
else:
read_to_show: str = common_functions.hexify(
read) if self.CBHex.isChecked() else read.replace(
"\n", "")
self.TxtBuffer.insertPlainText(read_to_show)
if self.graph and self.graph_form:
lines = (self.tail + read).split('\r')
logger.debug(lines)
self.tail = lines[-1]
# lines = (self.tail + stub[self.count]).split('\r')
# self.count += 1
if len(lines) > 1:
for line in lines[:-1]:
logger.debug(line)
if line.strip():
try:
data_graph = line.strip().split(';')
data_x = float(data_graph[0].strip())
data_y = [
float(value) for value in data_graph[1:]
if value.strip()
]
if self.graph_form.data_x:
self.graph_form.update_plot_data(
data_x, data_y)
else:
self.graph_form.create_graph(
data_x, data_y)
self.graph_form.show()
except (ValueError, IndexError):
pass
self.LblCounterData.setText(str(self.counter))
if self.text_settings.scroll:
scroll = self.TxtBuffer.verticalScrollBar().maximum()
self.TxtBuffer.verticalScrollBar().setValue(scroll)
def testHexify(self):
self.assertTrue(common_functions.hexify('ping\r\n'),
'0x700x690x6e0x67')