| #!/usr/bin/env python |
| # |
| # Very simple serial terminal |
| # |
| # (C)2002-2015 Chris Liechti <cliechti@gmx.net> |
| # |
| # SPDX-License-Identifier: BSD-3-Clause |
| |
| import codecs |
| import os |
| import sys |
| import threading |
| |
| import serial |
| from serial.tools.list_ports import comports |
| |
| try: |
| raw_input |
| except NameError: |
| raw_input = input # in python3 it's "raw" |
| unichr = chr |
| |
| |
| def key_description(character): |
| """generate a readable description for a key""" |
| ascii_code = ord(character) |
| if ascii_code < 32: |
| return 'Ctrl+%c' % (ord('@') + ascii_code) |
| else: |
| return repr(character) |
| |
| |
| class ConsoleBase(object): |
| def __init__(self): |
| if sys.version_info >= (3, 0): |
| self.byte_output = sys.stdout.buffer |
| else: |
| self.byte_output = sys.stdout |
| self.output = sys.stdout |
| |
| def setup(self): |
| pass # Do nothing for 'nt' |
| |
| def cleanup(self): |
| pass # Do nothing for 'nt' |
| |
| def getkey(self): |
| return None |
| |
| def write_bytes(self, s): |
| self.byte_output.write(s) |
| self.byte_output.flush() |
| |
| def write(self, s): |
| self.output.write(s) |
| self.output.flush() |
| |
| # - - - - - - - - - - - - - - - - - - - - - - - - |
| # context manager: |
| # switch terminal temporary to normal mode (e.g. to get user input) |
| |
| def __enter__(self): |
| self.cleanup() |
| return self |
| |
| def __exit__(self, *args, **kwargs): |
| self.setup() |
| |
| |
| if os.name == 'nt': |
| import msvcrt |
| import ctypes |
| class Console(ConsoleBase): |
| def __init__(self): |
| super(Console, self).__init__() |
| ctypes.windll.kernel32.SetConsoleOutputCP(65001) |
| ctypes.windll.kernel32.SetConsoleCP(65001) |
| if sys.version_info < (3, 0): |
| class Out: |
| def __init__(self): |
| self.fd = sys.stdout.fileno() |
| def flush(self): |
| pass |
| def write(self, s): |
| os.write(self.fd, s) |
| self.output = codecs.getwriter('UTF-8')(Out(), 'replace') |
| self.byte_output = Out() |
| else: |
| self.output = codecs.getwriter('UTF-8')(sys.stdout.buffer, 'replace') |
| |
| def getkey(self): |
| while True: |
| z = msvcrt.getwch() |
| if z == '\r': |
| return '\n' |
| elif z in '\x00\x0e': # functions keys, ignore |
| msvcrt.getwch() |
| else: |
| return z |
| |
| elif os.name == 'posix': |
| import atexit |
| import termios |
| class Console(ConsoleBase): |
| def __init__(self): |
| super(Console, self).__init__() |
| self.fd = sys.stdin.fileno() |
| self.old = termios.tcgetattr(self.fd) |
| atexit.register(self.cleanup) |
| if sys.version_info < (3, 0): |
| sys.stdin = codecs.getreader(sys.stdin.encoding)(sys.stdin) |
| |
| def setup(self): |
| new = termios.tcgetattr(self.fd) |
| new[3] = new[3] & ~termios.ICANON & ~termios.ECHO & ~termios.ISIG |
| new[6][termios.VMIN] = 1 |
| new[6][termios.VTIME] = 0 |
| termios.tcsetattr(self.fd, termios.TCSANOW, new) |
| |
| def getkey(self): |
| return sys.stdin.read(1) |
| #~ c = os.read(self.fd, 1) |
| #~ return c |
| |
| def cleanup(self): |
| termios.tcsetattr(self.fd, termios.TCSAFLUSH, self.old) |
| |
| else: |
| raise NotImplementedError("Sorry no implementation for your platform (%s) available." % sys.platform) |
| |
| |
| # XXX how to handle multi byte sequences like CRLF? |
| # codecs.IncrementalEncoder would be a good choice |
| |
| class Transform(object): |
| """do-nothing: forward all data unchanged""" |
| def input(self, text): |
| """text received from serial port""" |
| return text |
| |
| def output(self, text): |
| """text to be sent to serial port""" |
| return text |
| |
| def echo(self, text): |
| """text to be sent but displayed on console""" |
| return text |
| |
| |
| class CRLF(Transform): |
| """ENTER sends CR+LF""" |
| def input(self, text): |
| return text.replace('\r\n', '\n') |
| |
| def output(self, text): |
| return text.replace('\n', '\r\n') |
| |
| |
| class CR(Transform): |
| """ENTER sends CR""" |
| def input(self, text): |
| return text.replace('\r', '\n') |
| |
| def output(self, text): |
| return text.replace('\n', '\r') |
| |
| |
| class LF(Transform): |
| """ENTER sends LF""" |
| |
| |
| class NoTerminal(Transform): |
| """remove typical terminal control codes from input""" |
| def input(self, text): |
| return ''.join(t if t >= ' ' or t in '\r\n\b\t' else unichr(0x2400 + ord(t)) for t in text) |
| |
| echo = input |
| |
| |
| class NoControls(Transform): |
| """Remove all control codes, incl. CR+LF""" |
| def input(self, text): |
| return ''.join(t if t >= ' ' else unichr(0x2400 + ord(t)) for t in text) |
| |
| echo = input |
| |
| |
| class HexDump(Transform): |
| """Complete hex dump""" |
| def input(self, text): |
| return ''.join('{:02x} '.format(ord(t)) for t in text) |
| |
| echo = input |
| |
| |
| class Printable(Transform): |
| """Show decimal code for all non-ASCII characters and most control codes""" |
| def input(self, text): |
| r = [] |
| for t in text: |
| if ' ' <= t < '\x7f' or t in '\r\n\b\t': |
| r.append(t) |
| else: |
| r.extend(unichr(0x2080 + ord(d) - 48) for d in '{:d}'.format(ord(t))) |
| r.append(' ') |
| return ''.join(r) |
| |
| echo = input |
| |
| |
| class Colorize(Transform): |
| """Apply different colors for received and echo""" |
| def __init__(self): |
| # XXX make it configurable, use colorama? |
| self.input_color = '\x1b[37m' |
| self.echo_color = '\x1b[31m' |
| |
| def input(self, text): |
| return self.input_color + text |
| |
| def echo(self, text): |
| return self.echo_color + text |
| |
| |
| class DebugIO(Transform): |
| """Print what is sent and received""" |
| def input(self, text): |
| sys.stderr.write(' [RX:{}] '.format(repr(text))) |
| sys.stderr.flush() |
| return text |
| |
| def output(self, text): |
| sys.stderr.write(' [TX:{}] '.format(repr(text))) |
| sys.stderr.flush() |
| return text |
| |
| |
| # other ideas: |
| # - add date/time for each newline |
| # - insert newline after: a) timeout b) packet end character |
| |
| TRANSFORMATIONS = { |
| 'crlf': CRLF, |
| 'cr': CR, |
| 'lf': LF, |
| 'direct': Transform, # no transformation |
| 'default': NoTerminal, |
| 'nocontrol': NoControls, |
| 'printable': Printable, |
| 'hex': HexDump, |
| 'colorize': Colorize, |
| 'debug': DebugIO, |
| } |
| |
| |
| def dump_port_list(): |
| if comports: |
| sys.stderr.write('\n--- Available ports:\n') |
| for port, desc, hwid in sorted(comports()): |
| #~ sys.stderr.write('--- %-20s %s [%s]\n' % (port, desc, hwid)) |
| sys.stderr.write('--- %-20s %s\n' % (port, desc)) |
| |
| |
| class Miniterm(object): |
| def __init__(self, port, baudrate, parity, rtscts, xonxoff, echo=False, transformations=()): |
| self.console = Console() |
| self.serial = serial.serial_for_url(port, baudrate, parity=parity, rtscts=rtscts, xonxoff=xonxoff, timeout=1) |
| self.echo = echo |
| self.dtr_state = True |
| self.rts_state = True |
| self.break_state = False |
| self.raw = False |
| self.input_encoding = 'UTF-8' |
| self.input_error_handling = 'replace' |
| self.output_encoding = 'UTF-8' |
| self.output_error_handling = 'ignore' |
| self.tx_transformations = [TRANSFORMATIONS[t]() for t in transformations] |
| self.rx_transformations = list(reversed(self.tx_transformations)) |
| self.transformation_names = transformations |
| self.exit_character = 0x1d # GS/CTRL+] |
| self.menu_character = 0x14 # Menu: CTRL+T |
| |
| def _start_reader(self): |
| """Start reader thread""" |
| self._reader_alive = True |
| # start serial->console thread |
| self.receiver_thread = threading.Thread(target=self.reader, name='rx') |
| self.receiver_thread.daemon = True |
| self.receiver_thread.start() |
| |
| def _stop_reader(self): |
| """Stop reader thread only, wait for clean exit of thread""" |
| self._reader_alive = False |
| self.receiver_thread.join() |
| |
| |
| def start(self): |
| self.alive = True |
| self._start_reader() |
| # enter console->serial loop |
| self.transmitter_thread = threading.Thread(target=self.writer, name='tx') |
| self.transmitter_thread.daemon = True |
| self.transmitter_thread.start() |
| self.console.setup() |
| |
| def stop(self): |
| self.alive = False |
| |
| def join(self, transmit_only=False): |
| self.transmitter_thread.join() |
| if not transmit_only: |
| self.receiver_thread.join() |
| |
| def dump_port_settings(self): |
| sys.stderr.write("\n--- Settings: {p.name} {p.baudrate},{p.bytesize},{p.parity},{p.stopbits}\n".format( |
| p=self.serial)) |
| sys.stderr.write('--- RTS: {:8} DTR: {:8} BREAK: {:8}\n'.format( |
| ('active' if self.rts_state else 'inactive'), |
| ('active' if self.dtr_state else 'inactive'), |
| ('active' if self.break_state else 'inactive'))) |
| try: |
| sys.stderr.write('--- CTS: {:8} DSR: {:8} RI: {:8} CD: {:8}\n'.format( |
| ('active' if self.serial.getCTS() else 'inactive'), |
| ('active' if self.serial.getDSR() else 'inactive'), |
| ('active' if self.serial.getRI() else 'inactive'), |
| ('active' if self.serial.getCD() else 'inactive'))) |
| except serial.SerialException: |
| # on RFC 2217 ports, it can happen if no modem state notification was |
| # yet received. ignore this error. |
| pass |
| sys.stderr.write('--- software flow control: {}\n'.format('active' if self.serial.xonxoff else 'inactive')) |
| sys.stderr.write('--- hardware flow control: {}\n'.format('active' if self.serial.rtscts else 'inactive')) |
| #~ sys.stderr.write('--- data escaping: %s linefeed: %s\n' % ( |
| #~ REPR_MODES[self.repr_mode], |
| #~ LF_MODES[self.convert_outgoing])) |
| sys.stderr.write('--- serial input encoding: {}\n'.format(self.input_encoding)) |
| sys.stderr.write('--- serial output encoding: {}\n'.format(self.output_encoding)) |
| sys.stderr.write('--- transformations: {}\n'.format(' '.join(self.transformation_names))) |
| |
| def reader(self): |
| """loop and copy serial->console""" |
| try: |
| while self.alive and self._reader_alive: |
| # read all that is there or wait for one byte |
| data = self.serial.read(self.serial.inWaiting() or 1) |
| if data: |
| if self.raw: |
| self.console.write_bytes(data) |
| else: |
| text = codecs.decode( |
| data, |
| self.input_encoding, |
| self.input_error_handling) |
| for transformation in self.rx_transformations: |
| text = transformation.input(text) |
| self.console.write(text) |
| except serial.SerialException as e: |
| self.alive = False |
| # XXX would be nice if the writer could be interrupted at this |
| # point... to exit completely |
| raise |
| |
| |
| def writer(self): |
| """\ |
| Loop and copy console->serial until self.exit_character character is |
| found. When self.menu_character is found, interpret the next key |
| locally. |
| """ |
| menu_active = False |
| try: |
| while self.alive: |
| try: |
| c = self.console.getkey() |
| except KeyboardInterrupt: |
| c = '\x03' |
| if menu_active: |
| self.handle_menu_key(c) |
| menu_active = False |
| elif c == self.menu_character: |
| menu_active = True # next char will be for menu |
| elif c == self.exit_character: |
| self.stop() # exit app |
| break |
| else: |
| #~ if self.raw: |
| text = c |
| echo_text = text |
| for transformation in self.tx_transformations: |
| text = transformation.output(text) |
| echo_text = transformation.echo(echo_text) |
| b = codecs.encode( |
| text, |
| self.output_encoding, |
| self.output_error_handling) |
| self.serial.write(b) |
| if self.echo: |
| self.console.write(echo_text) |
| except: |
| self.alive = False |
| raise |
| |
| def handle_menu_key(self, c): |
| """Implement a simple menu / settings""" |
| if c == self.menu_character or c == self.exit_character: |
| # Menu/exit character again -> send itself |
| b = codecs.encode( |
| c, |
| self.output_encoding, |
| self.output_error_handling) |
| self.serial.write(b) |
| if self.echo: |
| self.console.write(c) |
| elif c == '\x15': # CTRL+U -> upload file |
| sys.stderr.write('\n--- File to upload: ') |
| sys.stderr.flush() |
| with self.console: |
| filename = sys.stdin.readline().rstrip('\r\n') |
| if filename: |
| try: |
| with open(filename, 'rb') as f: |
| sys.stderr.write('--- Sending file {} ---\n'.format(filename)) |
| while True: |
| block = f.read(1024) |
| if not block: |
| break |
| self.serial.write(block) |
| # Wait for output buffer to drain. |
| self.serial.flush() |
| sys.stderr.write('.') # Progress indicator. |
| sys.stderr.write('\n--- File {} sent ---\n'.format(filename)) |
| except IOError as e: |
| sys.stderr.write('--- ERROR opening file {}: {} ---\n'.format(filename, e)) |
| elif c in '\x08hH?': # CTRL+H, h, H, ? -> Show help |
| sys.stderr.write(self.get_help_text()) |
| elif c == '\x12': # CTRL+R -> Toggle RTS |
| self.rts_state = not self.rts_state |
| self.serial.setRTS(self.rts_state) |
| sys.stderr.write('--- RTS {} ---\n'.format('active' if self.rts_state else 'inactive')) |
| elif c == '\x04': # CTRL+D -> Toggle DTR |
| self.dtr_state = not self.dtr_state |
| self.serial.setDTR(self.dtr_state) |
| sys.stderr.write('--- DTR {} ---\n'.format('active' if self.dtr_state else 'inactive')) |
| elif c == '\x02': # CTRL+B -> toggle BREAK condition |
| self.break_state = not self.break_state |
| self.serial.setBreak(self.break_state) |
| sys.stderr.write('--- BREAK {} ---\n'.format('active' if self.break_state else 'inactive')) |
| elif c == '\x05': # CTRL+E -> toggle local echo |
| self.echo = not self.echo |
| sys.stderr.write('--- local echo {} ---\n'.format('active' if self.echo else 'inactive')) |
| elif c == '\x09': # CTRL+I -> info |
| self.dump_port_settings() |
| #~ elif c == '\x01': # CTRL+A -> cycle escape mode |
| #~ elif c == '\x0c': # CTRL+L -> cycle linefeed mode |
| elif c in 'pP': # P -> change port |
| dump_port_list() |
| sys.stderr.write('--- Enter port name: ') |
| sys.stderr.flush() |
| with self.console: |
| try: |
| port = sys.stdin.readline().strip() |
| except KeyboardInterrupt: |
| port = None |
| if port and port != self.serial.port: |
| # reader thread needs to be shut down |
| self._stop_reader() |
| # save settings |
| settings = self.serial.getSettingsDict() |
| try: |
| new_serial = serial.serial_for_url(port, do_not_open=True) |
| # restore settings and open |
| new_serial.applySettingsDict(settings) |
| new_serial.open() |
| new_serial.setRTS(self.rts_state) |
| new_serial.setDTR(self.dtr_state) |
| new_serial.setBreak(self.break_state) |
| except Exception as e: |
| sys.stderr.write('--- ERROR opening new port: {} ---\n'.format(e)) |
| new_serial.close() |
| else: |
| self.serial.close() |
| self.serial = new_serial |
| sys.stderr.write('--- Port changed to: {} ---\n'.format(self.serial.port)) |
| # and restart the reader thread |
| self._start_reader() |
| elif c in 'bB': # B -> change baudrate |
| sys.stderr.write('\n--- Baudrate: ') |
| sys.stderr.flush() |
| with self.console: |
| backup = self.serial.baudrate |
| try: |
| self.serial.baudrate = int(sys.stdin.readline().strip()) |
| except ValueError as e: |
| sys.stderr.write('--- ERROR setting baudrate: %s ---\n'.format(e)) |
| self.serial.baudrate = backup |
| else: |
| self.dump_port_settings() |
| elif c == '8': # 8 -> change to 8 bits |
| self.serial.bytesize = serial.EIGHTBITS |
| self.dump_port_settings() |
| elif c == '7': # 7 -> change to 8 bits |
| self.serial.bytesize = serial.SEVENBITS |
| self.dump_port_settings() |
| elif c in 'eE': # E -> change to even parity |
| self.serial.parity = serial.PARITY_EVEN |
| self.dump_port_settings() |
| elif c in 'oO': # O -> change to odd parity |
| self.serial.parity = serial.PARITY_ODD |
| self.dump_port_settings() |
| elif c in 'mM': # M -> change to mark parity |
| self.serial.parity = serial.PARITY_MARK |
| self.dump_port_settings() |
| elif c in 'sS': # S -> change to space parity |
| self.serial.parity = serial.PARITY_SPACE |
| self.dump_port_settings() |
| elif c in 'nN': # N -> change to no parity |
| self.serial.parity = serial.PARITY_NONE |
| self.dump_port_settings() |
| elif c == '1': # 1 -> change to 1 stop bits |
| self.serial.stopbits = serial.STOPBITS_ONE |
| self.dump_port_settings() |
| elif c == '2': # 2 -> change to 2 stop bits |
| self.serial.stopbits = serial.STOPBITS_TWO |
| self.dump_port_settings() |
| elif c == '3': # 3 -> change to 1.5 stop bits |
| self.serial.stopbits = serial.STOPBITS_ONE_POINT_FIVE |
| self.dump_port_settings() |
| elif c in 'xX': # X -> change software flow control |
| self.serial.xonxoff = (c == 'X') |
| self.dump_port_settings() |
| elif c in 'rR': # R -> change hardware flow control |
| self.serial.rtscts = (c == 'R') |
| self.dump_port_settings() |
| else: |
| sys.stderr.write('--- unknown menu character {} --\n'.format(key_description(c))) |
| |
| def get_help_text(self): |
| # help text, starts with blank line! |
| return """ |
| --- pySerial ({version}) - miniterm - help |
| --- |
| --- {exit:8} Exit program |
| --- {menu:8} Menu escape key, followed by: |
| --- Menu keys: |
| --- {menu:7} Send the menu character itself to remote |
| --- {exit:7} Send the exit character itself to remote |
| --- {info:7} Show info |
| --- {upload:7} Upload file (prompt will be shown) |
| --- Toggles: |
| --- {rts:7} RTS {echo:7} local echo |
| --- {dtr:7} DTR {brk:7} BREAK |
| --- |
| --- Port settings ({menu} followed by the following): |
| --- p change port |
| --- 7 8 set data bits |
| --- N E O S M change parity (None, Even, Odd, Space, Mark) |
| --- 1 2 3 set stop bits (1, 2, 1.5) |
| --- b change baud rate |
| --- x X disable/enable software flow control |
| --- r R disable/enable hardware flow control |
| """.format( |
| version=getattr(serial, 'VERSION', 'unknown version'), |
| exit=key_description(self.exit_character), |
| menu=key_description(self.menu_character), |
| rts=key_description('\x12'), |
| dtr=key_description('\x04'), |
| brk=key_description('\x02'), |
| echo=key_description('\x05'), |
| info=key_description('\x09'), |
| upload=key_description('\x15'), |
| ) |
| |
| |
| |
| # default args can be used to override when calling main() from an other script |
| # e.g to create a miniterm-my-device.py |
| def main(default_port=None, default_baudrate=9600, default_rts=None, default_dtr=None): |
| import argparse |
| |
| parser = argparse.ArgumentParser( |
| description="Miniterm - A simple terminal program for the serial port.") |
| |
| parser.add_argument("port", |
| nargs='?', |
| help="serial port name", |
| default=default_port) |
| |
| parser.add_argument("baudrate", |
| nargs='?', |
| type=int, |
| help="set baud rate, default: %(default)s", |
| default=default_baudrate) |
| |
| group = parser.add_argument_group("port settings") |
| |
| group.add_argument("--parity", |
| choices=['N', 'E', 'O', 'S', 'M'], |
| type=lambda c: c.upper(), |
| help="set parity, one of {N E O S M}, default: N", |
| default='N') |
| |
| group.add_argument("--rtscts", |
| action="store_true", |
| help="enable RTS/CTS flow control (default off)", |
| default=False) |
| |
| group.add_argument("--xonxoff", |
| action="store_true", |
| help="enable software flow control (default off)", |
| default=False) |
| |
| group.add_argument("--rts", |
| type=int, |
| help="set initial RTS line state (possible values: 0, 1)", |
| default=default_rts) |
| |
| group.add_argument("--dtr", |
| type=int, |
| help="set initial DTR line state (possible values: 0, 1)", |
| default=default_dtr) |
| |
| group = parser.add_argument_group("data handling") |
| |
| group.add_argument("-e", "--echo", |
| action="store_true", |
| help="enable local echo (default off)", |
| default=False) |
| |
| group.add_argument("--encoding", |
| dest="serial_port_encoding", |
| metavar="CODEC", |
| help="set the encoding for the serial port, default: %(default)s", |
| default='UTF-8') |
| |
| group.add_argument("-t", "--transformation", |
| dest="transformations", |
| action="append", |
| metavar="NAME", |
| help="add text transformation", |
| default=[]) |
| |
| group.add_argument("--eol", |
| choices=['CR', 'LF', 'CRLF'], |
| type=lambda c: c.upper(), |
| help="end of line mode", |
| default='CRLF') |
| |
| group.add_argument("--raw", |
| action="store_true", |
| help="Do no apply any encodings/transformations", |
| default=False) |
| |
| group = parser.add_argument_group("hotkeys") |
| |
| group.add_argument("--exit-char", |
| type=int, |
| metavar='NUM', |
| help="Unicode of special character that is used to exit the application, default: %(default)s", |
| default=0x1d # GS/CTRL+] |
| ) |
| |
| group.add_argument("--menu-char", |
| type=int, |
| metavar='NUM', |
| help="Unicode code of special character that is used to control miniterm (menu), default: %(default)s", |
| default=0x14 # Menu: CTRL+T |
| ) |
| |
| group = parser.add_argument_group("diagnostics") |
| |
| group.add_argument("-q", "--quiet", |
| action="store_true", |
| help="suppress non-error messages", |
| default=False) |
| |
| group.add_argument("--develop", |
| action="store_true", |
| help="show Python traceback on error", |
| default=False) |
| |
| args = parser.parse_args() |
| |
| if args.menu_char == args.exit_char: |
| parser.error('--exit-char can not be the same as --menu-char') |
| |
| |
| # no port given on command line -> ask user now |
| if args.port is None: |
| dump_port_list() |
| args.port = raw_input('Enter port name:') |
| |
| if args.transformations: |
| if 'help' in args.transformations: |
| sys.stderr.write('Available Transformations:\n') |
| sys.stderr.write('\n'.join( |
| '{:<20} = {.__doc__}'.format(k, v) |
| for k, v in sorted(TRANSFORMATIONS.items()))) |
| sys.stderr.write('\n') |
| sys.exit(1) |
| transformations = args.transformations |
| else: |
| transformations = ['default'] |
| |
| transformations.insert(0, args.eol.lower()) |
| |
| try: |
| miniterm = Miniterm( |
| args.port, |
| args.baudrate, |
| args.parity, |
| rtscts=args.rtscts, |
| xonxoff=args.xonxoff, |
| echo=args.echo, |
| transformations=transformations, |
| ) |
| miniterm.exit_character = unichr(args.exit_char) |
| miniterm.menu_character = unichr(args.menu_char) |
| miniterm.raw = args.raw |
| miniterm.input_encoding = args.serial_port_encoding |
| miniterm.output_encoding = args.serial_port_encoding |
| except serial.SerialException as e: |
| sys.stderr.write('could not open port {}: {}\n'.format(repr(args.port), e)) |
| if args.develop: |
| raise |
| sys.exit(1) |
| |
| if not args.quiet: |
| sys.stderr.write('--- Miniterm on {p.name} {p.baudrate},{p.bytesize},{p.parity},{p.stopbits} ---\n'.format( |
| p=miniterm.serial)) |
| sys.stderr.write('--- Quit: {} | Menu: {} | Help: {} followed by {} ---\n'.format( |
| key_description(miniterm.exit_character), |
| key_description(miniterm.menu_character), |
| key_description(miniterm.menu_character), |
| key_description('\x08'), |
| )) |
| |
| if args.dtr is not None: |
| if not args.quiet: |
| sys.stderr.write('--- forcing DTR {}\n'.format('active' if args.dtr else 'inactive')) |
| miniterm.serial.setDTR(args.dtr) |
| miniterm.dtr_state = args.dtr |
| if args.rts is not None: |
| if not args.quiet: |
| sys.stderr.write('--- forcing RTS {}\n'.format('active' if args.rts else 'inactive')) |
| miniterm.serial.setRTS(args.rts) |
| miniterm.rts_state = args.rts |
| |
| miniterm.start() |
| try: |
| miniterm.join(True) |
| except KeyboardInterrupt: |
| pass |
| if not args.quiet: |
| sys.stderr.write("\n--- exit ---\n") |
| miniterm.join() |
| |
| # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
| if __name__ == '__main__': |
| main() |