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Commit b204d4da0e65855788328941750c716205147dc9

Authored by Ian Foster
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python miniterm script

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scripts/miniterm.py View file @ b204d4d
  1 +#!/usr/bin/env python
  2 +
  3 +# Very simple serial terminal
  4 +# (C)2002-2011 Chris Liechti <cliechti@gmx.net>
  5 +
  6 +# Input characters are sent directly (only LF -> CR/LF/CRLF translation is
  7 +# done), received characters are displayed as is (or escaped trough pythons
  8 +# repr, useful for debug purposes)
  9 +
  10 +
  11 +import sys, os, serial, threading
  12 +try:
  13 + from serial.tools.list_ports import comports
  14 +except ImportError:
  15 + comports = None
  16 +
  17 +EXITCHARCTER = serial.to_bytes([0x1d]) # GS/CTRL+]
  18 +MENUCHARACTER = serial.to_bytes([0x14]) # Menu: CTRL+T
  19 +
  20 +DEFAULT_PORT = None
  21 +DEFAULT_BAUDRATE = 9600
  22 +DEFAULT_RTS = None
  23 +DEFAULT_DTR = None
  24 +
  25 +
  26 +def key_description(character):
  27 + """generate a readable description for a key"""
  28 + ascii_code = ord(character)
  29 + if ascii_code < 32:
  30 + return 'Ctrl+%c' % (ord('@') + ascii_code)
  31 + else:
  32 + return repr(character)
  33 +
  34 +
  35 +# help text, starts with blank line! it's a function so that the current values
  36 +# for the shortcut keys is used and not the value at program start
  37 +def get_help_text():
  38 + return """
  39 +--- pySerial (%(version)s) - miniterm - help
  40 +---
  41 +--- %(exit)-8s Exit program
  42 +--- %(menu)-8s Menu escape key, followed by:
  43 +--- Menu keys:
  44 +--- %(itself)-7s Send the menu character itself to remote
  45 +--- %(exchar)-7s Send the exit character itself to remote
  46 +--- %(info)-7s Show info
  47 +--- %(upload)-7s Upload file (prompt will be shown)
  48 +--- Toggles:
  49 +--- %(rts)-7s RTS %(echo)-7s local echo
  50 +--- %(dtr)-7s DTR %(break)-7s BREAK
  51 +--- %(lfm)-7s line feed %(repr)-7s Cycle repr mode
  52 +---
  53 +--- Port settings (%(menu)s followed by the following):
  54 +--- p change port
  55 +--- 7 8 set data bits
  56 +--- n e o s m change parity (None, Even, Odd, Space, Mark)
  57 +--- 1 2 3 set stop bits (1, 2, 1.5)
  58 +--- b change baud rate
  59 +--- x X disable/enable software flow control
  60 +--- r R disable/enable hardware flow control
  61 +""" % {
  62 + 'version': getattr(serial, 'VERSION', 'unknown version'),
  63 + 'exit': key_description(EXITCHARCTER),
  64 + 'menu': key_description(MENUCHARACTER),
  65 + 'rts': key_description('\x12'),
  66 + 'repr': key_description('\x01'),
  67 + 'dtr': key_description('\x04'),
  68 + 'lfm': key_description('\x0c'),
  69 + 'break': key_description('\x02'),
  70 + 'echo': key_description('\x05'),
  71 + 'info': key_description('\x09'),
  72 + 'upload': key_description('\x15'),
  73 + 'itself': key_description(MENUCHARACTER),
  74 + 'exchar': key_description(EXITCHARCTER),
  75 +}
  76 +
  77 +if sys.version_info >= (3, 0):
  78 + def character(b):
  79 + return b.decode('latin1')
  80 +else:
  81 + def character(b):
  82 + return b
  83 +
  84 +LF = serial.to_bytes([10])
  85 +CR = serial.to_bytes([13])
  86 +CRLF = serial.to_bytes([13, 10])
  87 +
  88 +X00 = serial.to_bytes([0])
  89 +X0E = serial.to_bytes([0x0e])
  90 +
  91 +# first choose a platform dependant way to read single characters from the console
  92 +global console
  93 +
  94 +if os.name == 'nt':
  95 + import msvcrt
  96 + class Console(object):
  97 + def __init__(self):
  98 + pass
  99 +
  100 + def setup(self):
  101 + pass # Do nothing for 'nt'
  102 +
  103 + def cleanup(self):
  104 + pass # Do nothing for 'nt'
  105 +
  106 + def getkey(self):
  107 + while True:
  108 + z = msvcrt.getch()
  109 + if z == X00 or z == X0E: # functions keys, ignore
  110 + msvcrt.getch()
  111 + else:
  112 + if z == CR:
  113 + return LF
  114 + return z
  115 +
  116 + console = Console()
  117 +
  118 +elif os.name == 'posix':
  119 + import termios, sys, os
  120 + class Console(object):
  121 + def __init__(self):
  122 + self.fd = sys.stdin.fileno()
  123 + self.old = None
  124 +
  125 + def setup(self):
  126 + self.old = termios.tcgetattr(self.fd)
  127 + new = termios.tcgetattr(self.fd)
  128 + new[3] = new[3] & ~termios.ICANON & ~termios.ECHO & ~termios.ISIG
  129 + new[6][termios.VMIN] = 1
  130 + new[6][termios.VTIME] = 0
  131 + termios.tcsetattr(self.fd, termios.TCSANOW, new)
  132 +
  133 + def getkey(self):
  134 + c = os.read(self.fd, 1)
  135 + return c
  136 +
  137 + def cleanup(self):
  138 + if self.old is not None:
  139 + termios.tcsetattr(self.fd, termios.TCSAFLUSH, self.old)
  140 +
  141 + console = Console()
  142 +
  143 + def cleanup_console():
  144 + console.cleanup()
  145 +
  146 + sys.exitfunc = cleanup_console # terminal modes have to be restored on exit...
  147 +
  148 +else:
  149 + raise NotImplementedError("Sorry no implementation for your platform (%s) available." % sys.platform)
  150 +
  151 +
  152 +def dump_port_list():
  153 + if comports:
  154 + sys.stderr.write('\n--- Available ports:\n')
  155 + for port, desc, hwid in sorted(comports()):
  156 + #~ sys.stderr.write('--- %-20s %s [%s]\n' % (port, desc, hwid))
  157 + sys.stderr.write('--- %-20s %s\n' % (port, desc))
  158 +
  159 +
  160 +CONVERT_CRLF = 2
  161 +CONVERT_CR = 1
  162 +CONVERT_LF = 0
  163 +NEWLINE_CONVERISON_MAP = (LF, CR, CRLF)
  164 +LF_MODES = ('LF', 'CR', 'CR/LF')
  165 +
  166 +REPR_MODES = ('raw', 'some control', 'all control', 'hex')
  167 +
  168 +class Miniterm(object):
  169 + def __init__(self, port, baudrate, parity, rtscts, xonxoff, echo=False, convert_outgoing=CONVERT_CRLF, repr_mode=0):
  170 + try:
  171 + self.serial = serial.serial_for_url(port, baudrate, parity=parity, rtscts=rtscts, xonxoff=xonxoff, timeout=1)
  172 + except AttributeError:
  173 + # happens when the installed pyserial is older than 2.5. use the
  174 + # Serial class directly then.
  175 + self.serial = serial.Serial(port, baudrate, parity=parity, rtscts=rtscts, xonxoff=xonxoff, timeout=1)
  176 + self.echo = echo
  177 + self.repr_mode = repr_mode
  178 + self.convert_outgoing = convert_outgoing
  179 + self.newline = NEWLINE_CONVERISON_MAP[self.convert_outgoing]
  180 + self.dtr_state = True
  181 + self.rts_state = True
  182 + self.break_state = False
  183 +
  184 + def _start_reader(self):
  185 + """Start reader thread"""
  186 + self._reader_alive = True
  187 + # start serial->console thread
  188 + self.receiver_thread = threading.Thread(target=self.reader)
  189 + self.receiver_thread.setDaemon(True)
  190 + self.receiver_thread.start()
  191 +
  192 + def _stop_reader(self):
  193 + """Stop reader thread only, wait for clean exit of thread"""
  194 + self._reader_alive = False
  195 + self.receiver_thread.join()
  196 +
  197 +
  198 + def start(self):
  199 + self.alive = True
  200 + self._start_reader()
  201 + # enter console->serial loop
  202 + self.transmitter_thread = threading.Thread(target=self.writer)
  203 + self.transmitter_thread.setDaemon(True)
  204 + self.transmitter_thread.start()
  205 +
  206 + def stop(self):
  207 + self.alive = False
  208 +
  209 + def join(self, transmit_only=False):
  210 + self.transmitter_thread.join()
  211 + if not transmit_only:
  212 + self.receiver_thread.join()
  213 +
  214 + def dump_port_settings(self):
  215 + sys.stderr.write("\n--- Settings: %s %s,%s,%s,%s\n" % (
  216 + self.serial.portstr,
  217 + self.serial.baudrate,
  218 + self.serial.bytesize,
  219 + self.serial.parity,
  220 + self.serial.stopbits))
  221 + sys.stderr.write('--- RTS: %-8s DTR: %-8s BREAK: %-8s\n' % (
  222 + (self.rts_state and 'active' or 'inactive'),
  223 + (self.dtr_state and 'active' or 'inactive'),
  224 + (self.break_state and 'active' or 'inactive')))
  225 + try:
  226 + sys.stderr.write('--- CTS: %-8s DSR: %-8s RI: %-8s CD: %-8s\n' % (
  227 + (self.serial.getCTS() and 'active' or 'inactive'),
  228 + (self.serial.getDSR() and 'active' or 'inactive'),
  229 + (self.serial.getRI() and 'active' or 'inactive'),
  230 + (self.serial.getCD() and 'active' or 'inactive')))
  231 + except serial.SerialException:
  232 + # on RFC 2217 ports it can happen to no modem state notification was
  233 + # yet received. ignore this error.
  234 + pass
  235 + sys.stderr.write('--- software flow control: %s\n' % (self.serial.xonxoff and 'active' or 'inactive'))
  236 + sys.stderr.write('--- hardware flow control: %s\n' % (self.serial.rtscts and 'active' or 'inactive'))
  237 + sys.stderr.write('--- data escaping: %s linefeed: %s\n' % (
  238 + REPR_MODES[self.repr_mode],
  239 + LF_MODES[self.convert_outgoing]))
  240 +
  241 + def reader(self):
  242 + """loop and copy serial->console"""
  243 + try:
  244 + while self.alive and self._reader_alive:
  245 + data = character(self.serial.read(1))
  246 +
  247 + if self.repr_mode == 0:
  248 + # direct output, just have to care about newline setting
  249 + if data == '\r' and self.convert_outgoing == CONVERT_CR:
  250 + sys.stdout.write('\n')
  251 + else:
  252 + sys.stdout.write(data)
  253 + elif self.repr_mode == 1:
  254 + # escape non-printable, let pass newlines
  255 + if self.convert_outgoing == CONVERT_CRLF and data in '\r\n':
  256 + if data == '\n':
  257 + sys.stdout.write('\n')
  258 + elif data == '\r':
  259 + pass
  260 + elif data == '\n' and self.convert_outgoing == CONVERT_LF:
  261 + sys.stdout.write('\n')
  262 + elif data == '\r' and self.convert_outgoing == CONVERT_CR:
  263 + sys.stdout.write('\n')
  264 + else:
  265 + sys.stdout.write(repr(data)[1:-1])
  266 + elif self.repr_mode == 2:
  267 + # escape all non-printable, including newline
  268 + sys.stdout.write(repr(data)[1:-1])
  269 + elif self.repr_mode == 3:
  270 + # escape everything (hexdump)
  271 + for c in data:
  272 + sys.stdout.write("%s " % c.encode('hex'))
  273 + sys.stdout.flush()
  274 + except serial.SerialException, e:
  275 + self.alive = False
  276 + # would be nice if the console reader could be interruptted at this
  277 + # point...
  278 + raise
  279 +
  280 +
  281 + def writer(self):
  282 + """\
  283 + Loop and copy console->serial until EXITCHARCTER character is
  284 + found. When MENUCHARACTER is found, interpret the next key
  285 + locally.
  286 + """
  287 + menu_active = False
  288 + try:
  289 + while self.alive:
  290 + try:
  291 + b = console.getkey()
  292 + except KeyboardInterrupt:
  293 + b = serial.to_bytes([3])
  294 + c = character(b)
  295 + if menu_active:
  296 + if c == MENUCHARACTER or c == EXITCHARCTER: # Menu character again/exit char -> send itself
  297 + self.serial.write(b) # send character
  298 + if self.echo:
  299 + sys.stdout.write(c)
  300 + elif c == '\x15': # CTRL+U -> upload file
  301 + sys.stderr.write('\n--- File to upload: ')
  302 + sys.stderr.flush()
  303 + console.cleanup()
  304 + filename = sys.stdin.readline().rstrip('\r\n')
  305 + if filename:
  306 + try:
  307 + file = open(filename, 'r')
  308 + sys.stderr.write('--- Sending file %s ---\n' % filename)
  309 + while True:
  310 + line = file.readline().rstrip('\r\n')
  311 + if not line:
  312 + break
  313 + self.serial.write(line)
  314 + self.serial.write('\r\n')
  315 + # Wait for output buffer to drain.
  316 + self.serial.flush()
  317 + sys.stderr.write('.') # Progress indicator.
  318 + sys.stderr.write('\n--- File %s sent ---\n' % filename)
  319 + except IOError, e:
  320 + sys.stderr.write('--- ERROR opening file %s: %s ---\n' % (filename, e))
  321 + console.setup()
  322 + elif c in '\x08hH?': # CTRL+H, h, H, ? -> Show help
  323 + sys.stderr.write(get_help_text())
  324 + elif c == '\x12': # CTRL+R -> Toggle RTS
  325 + self.rts_state = not self.rts_state
  326 + self.serial.setRTS(self.rts_state)
  327 + sys.stderr.write('--- RTS %s ---\n' % (self.rts_state and 'active' or 'inactive'))
  328 + elif c == '\x04': # CTRL+D -> Toggle DTR
  329 + self.dtr_state = not self.dtr_state
  330 + self.serial.setDTR(self.dtr_state)
  331 + sys.stderr.write('--- DTR %s ---\n' % (self.dtr_state and 'active' or 'inactive'))
  332 + elif c == '\x02': # CTRL+B -> toggle BREAK condition
  333 + self.break_state = not self.break_state
  334 + self.serial.setBreak(self.break_state)
  335 + sys.stderr.write('--- BREAK %s ---\n' % (self.break_state and 'active' or 'inactive'))
  336 + elif c == '\x05': # CTRL+E -> toggle local echo
  337 + self.echo = not self.echo
  338 + sys.stderr.write('--- local echo %s ---\n' % (self.echo and 'active' or 'inactive'))
  339 + elif c == '\x09': # CTRL+I -> info
  340 + self.dump_port_settings()
  341 + elif c == '\x01': # CTRL+A -> cycle escape mode
  342 + self.repr_mode += 1
  343 + if self.repr_mode > 3:
  344 + self.repr_mode = 0
  345 + sys.stderr.write('--- escape data: %s ---\n' % (
  346 + REPR_MODES[self.repr_mode],
  347 + ))
  348 + elif c == '\x0c': # CTRL+L -> cycle linefeed mode
  349 + self.convert_outgoing += 1
  350 + if self.convert_outgoing > 2:
  351 + self.convert_outgoing = 0
  352 + self.newline = NEWLINE_CONVERISON_MAP[self.convert_outgoing]
  353 + sys.stderr.write('--- line feed %s ---\n' % (
  354 + LF_MODES[self.convert_outgoing],
  355 + ))
  356 + elif c in 'pP': # P -> change port
  357 + dump_port_list()
  358 + sys.stderr.write('--- Enter port name: ')
  359 + sys.stderr.flush()
  360 + console.cleanup()
  361 + try:
  362 + port = sys.stdin.readline().strip()
  363 + except KeyboardInterrupt:
  364 + port = None
  365 + console.setup()
  366 + if port and port != self.serial.port:
  367 + # reader thread needs to be shut down
  368 + self._stop_reader()
  369 + # save settings
  370 + settings = self.serial.getSettingsDict()
  371 + try:
  372 + try:
  373 + new_serial = serial.serial_for_url(port, do_not_open=True)
  374 + except AttributeError:
  375 + # happens when the installed pyserial is older than 2.5. use the
  376 + # Serial class directly then.
  377 + new_serial = serial.Serial()
  378 + new_serial.port = port
  379 + # restore settings and open
  380 + new_serial.applySettingsDict(settings)
  381 + new_serial.open()
  382 + new_serial.setRTS(self.rts_state)
  383 + new_serial.setDTR(self.dtr_state)
  384 + new_serial.setBreak(self.break_state)
  385 + except Exception, e:
  386 + sys.stderr.write('--- ERROR opening new port: %s ---\n' % (e,))
  387 + new_serial.close()
  388 + else:
  389 + self.serial.close()
  390 + self.serial = new_serial
  391 + sys.stderr.write('--- Port changed to: %s ---\n' % (self.serial.port,))
  392 + # and restart the reader thread
  393 + self._start_reader()
  394 + elif c in 'bB': # B -> change baudrate
  395 + sys.stderr.write('\n--- Baudrate: ')
  396 + sys.stderr.flush()
  397 + console.cleanup()
  398 + backup = self.serial.baudrate
  399 + try:
  400 + self.serial.baudrate = int(sys.stdin.readline().strip())
  401 + except ValueError, e:
  402 + sys.stderr.write('--- ERROR setting baudrate: %s ---\n' % (e,))
  403 + self.serial.baudrate = backup
  404 + else:
  405 + self.dump_port_settings()
  406 + console.setup()
  407 + elif c == '8': # 8 -> change to 8 bits
  408 + self.serial.bytesize = serial.EIGHTBITS
  409 + self.dump_port_settings()
  410 + elif c == '7': # 7 -> change to 8 bits
  411 + self.serial.bytesize = serial.SEVENBITS
  412 + self.dump_port_settings()
  413 + elif c in 'eE': # E -> change to even parity
  414 + self.serial.parity = serial.PARITY_EVEN
  415 + self.dump_port_settings()
  416 + elif c in 'oO': # O -> change to odd parity
  417 + self.serial.parity = serial.PARITY_ODD
  418 + self.dump_port_settings()
  419 + elif c in 'mM': # M -> change to mark parity
  420 + self.serial.parity = serial.PARITY_MARK
  421 + self.dump_port_settings()
  422 + elif c in 'sS': # S -> change to space parity
  423 + self.serial.parity = serial.PARITY_SPACE
  424 + self.dump_port_settings()
  425 + elif c in 'nN': # N -> change to no parity
  426 + self.serial.parity = serial.PARITY_NONE
  427 + self.dump_port_settings()
  428 + elif c == '1': # 1 -> change to 1 stop bits
  429 + self.serial.stopbits = serial.STOPBITS_ONE
  430 + self.dump_port_settings()
  431 + elif c == '2': # 2 -> change to 2 stop bits
  432 + self.serial.stopbits = serial.STOPBITS_TWO
  433 + self.dump_port_settings()
  434 + elif c == '3': # 3 -> change to 1.5 stop bits
  435 + self.serial.stopbits = serial.STOPBITS_ONE_POINT_FIVE
  436 + self.dump_port_settings()
  437 + elif c in 'xX': # X -> change software flow control
  438 + self.serial.xonxoff = (c == 'X')
  439 + self.dump_port_settings()
  440 + elif c in 'rR': # R -> change hardware flow control
  441 + self.serial.rtscts = (c == 'R')
  442 + self.dump_port_settings()
  443 + else:
  444 + sys.stderr.write('--- unknown menu character %s --\n' % key_description(c))
  445 + menu_active = False
  446 + elif c == MENUCHARACTER: # next char will be for menu
  447 + menu_active = True
  448 + elif c == EXITCHARCTER:
  449 + self.stop()
  450 + break # exit app
  451 + elif c == '\n':
  452 + self.serial.write(self.newline) # send newline character(s)
  453 + if self.echo:
  454 + sys.stdout.write(c) # local echo is a real newline in any case
  455 + sys.stdout.flush()
  456 + else:
  457 + self.serial.write(b) # send byte
  458 + if self.echo:
  459 + sys.stdout.write(c)
  460 + sys.stdout.flush()
  461 + except:
  462 + self.alive = False
  463 + raise
  464 +
  465 +def main():
  466 + import optparse
  467 +
  468 + parser = optparse.OptionParser(
  469 + usage = "%prog [options] [port [baudrate]]",
  470 + description = "Miniterm - A simple terminal program for the serial port."
  471 + )
  472 +
  473 + group = optparse.OptionGroup(parser, "Port settings")
  474 +
  475 + group.add_option("-p", "--port",
  476 + dest = "port",
  477 + help = "port, a number or a device name. (deprecated option, use parameter instead)",
  478 + default = DEFAULT_PORT
  479 + )
  480 +
  481 + group.add_option("-b", "--baud",
  482 + dest = "baudrate",
  483 + action = "store",
  484 + type = 'int',
  485 + help = "set baud rate, default %default",
  486 + default = DEFAULT_BAUDRATE
  487 + )
  488 +
  489 + group.add_option("--parity",
  490 + dest = "parity",
  491 + action = "store",
  492 + help = "set parity, one of [N, E, O, S, M], default=N",
  493 + default = 'N'
  494 + )
  495 +
  496 + group.add_option("--rtscts",
  497 + dest = "rtscts",
  498 + action = "store_true",
  499 + help = "enable RTS/CTS flow control (default off)",
  500 + default = False
  501 + )
  502 +
  503 + group.add_option("--xonxoff",
  504 + dest = "xonxoff",
  505 + action = "store_true",
  506 + help = "enable software flow control (default off)",
  507 + default = False
  508 + )
  509 +
  510 + group.add_option("--rts",
  511 + dest = "rts_state",
  512 + action = "store",
  513 + type = 'int',
  514 + help = "set initial RTS line state (possible values: 0, 1)",
  515 + default = DEFAULT_RTS
  516 + )
  517 +
  518 + group.add_option("--dtr",
  519 + dest = "dtr_state",
  520 + action = "store",
  521 + type = 'int',
  522 + help = "set initial DTR line state (possible values: 0, 1)",
  523 + default = DEFAULT_DTR
  524 + )
  525 +
  526 + parser.add_option_group(group)
  527 +
  528 + group = optparse.OptionGroup(parser, "Data handling")
  529 +
  530 + group.add_option("-e", "--echo",
  531 + dest = "echo",
  532 + action = "store_true",
  533 + help = "enable local echo (default off)",
  534 + default = False
  535 + )
  536 +
  537 + group.add_option("--cr",
  538 + dest = "cr",
  539 + action = "store_true",
  540 + help = "do not send CR+LF, send CR only",
  541 + default = False
  542 + )
  543 +
  544 + group.add_option("--lf",
  545 + dest = "lf",
  546 + action = "store_true",
  547 + help = "do not send CR+LF, send LF only",
  548 + default = False
  549 + )
  550 +
  551 + group.add_option("-D", "--debug",
  552 + dest = "repr_mode",
  553 + action = "count",
  554 + help = """debug received data (escape non-printable chars)
  555 +--debug can be given multiple times:
  556 +0: just print what is received
  557 +1: escape non-printable characters, do newlines as unusual
  558 +2: escape non-printable characters, newlines too
  559 +3: hex dump everything""",
  560 + default = 0
  561 + )
  562 +
  563 + parser.add_option_group(group)
  564 +
  565 +
  566 + group = optparse.OptionGroup(parser, "Hotkeys")
  567 +
  568 + group.add_option("--exit-char",
  569 + dest = "exit_char",
  570 + action = "store",
  571 + type = 'int',
  572 + help = "ASCII code of special character that is used to exit the application",
  573 + default = 0x1d
  574 + )
  575 +
  576 + group.add_option("--menu-char",
  577 + dest = "menu_char",
  578 + action = "store",
  579 + type = 'int',
  580 + help = "ASCII code of special character that is used to control miniterm (menu)",
  581 + default = 0x14
  582 + )
  583 +
  584 + parser.add_option_group(group)
  585 +
  586 + group = optparse.OptionGroup(parser, "Diagnostics")
  587 +
  588 + group.add_option("-q", "--quiet",
  589 + dest = "quiet",
  590 + action = "store_true",
  591 + help = "suppress non-error messages",
  592 + default = False
  593 + )
  594 +
  595 + parser.add_option_group(group)
  596 +
  597 +
  598 + (options, args) = parser.parse_args()
  599 +
  600 + options.parity = options.parity.upper()
  601 + if options.parity not in 'NEOSM':
  602 + parser.error("invalid parity")
  603 +
  604 + if options.cr and options.lf:
  605 + parser.error("only one of --cr or --lf can be specified")
  606 +
  607 + if options.menu_char == options.exit_char:
  608 + parser.error('--exit-char can not be the same as --menu-char')
  609 +
  610 + global EXITCHARCTER, MENUCHARACTER
  611 + EXITCHARCTER = chr(options.exit_char)
  612 + MENUCHARACTER = chr(options.menu_char)
  613 +
  614 + port = options.port
  615 + baudrate = options.baudrate
  616 + if args:
  617 + if options.port is not None:
  618 + parser.error("no arguments are allowed, options only when --port is given")
  619 + port = args.pop(0)
  620 + if args:
  621 + try:
  622 + baudrate = int(args[0])
  623 + except ValueError:
  624 + parser.error("baud rate must be a number, not %r" % args[0])
  625 + args.pop(0)
  626 + if args:
  627 + parser.error("too many arguments")
  628 + else:
  629 + # noport given on command line -> ask user now
  630 + if port is None:
  631 + dump_port_list()
  632 + port = raw_input('Enter port name:')
  633 +
  634 + convert_outgoing = CONVERT_CRLF
  635 + if options.cr:
  636 + convert_outgoing = CONVERT_CR
  637 + elif options.lf:
  638 + convert_outgoing = CONVERT_LF
  639 +
  640 + try:
  641 + miniterm = Miniterm(
  642 + port,
  643 + baudrate,
  644 + options.parity,
  645 + rtscts=options.rtscts,
  646 + xonxoff=options.xonxoff,
  647 + echo=options.echo,
  648 + convert_outgoing=convert_outgoing,
  649 + repr_mode=options.repr_mode,
  650 + )
  651 + except serial.SerialException, e:
  652 + sys.stderr.write("could not open port %r: %s\n" % (port, e))
  653 + sys.exit(1)
  654 +
  655 + if not options.quiet:
  656 + sys.stderr.write('--- Miniterm on %s: %d,%s,%s,%s ---\n' % (
  657 + miniterm.serial.portstr,
  658 + miniterm.serial.baudrate,
  659 + miniterm.serial.bytesize,
  660 + miniterm.serial.parity,
  661 + miniterm.serial.stopbits,
  662 + ))
  663 + sys.stderr.write('--- Quit: %s | Menu: %s | Help: %s followed by %s ---\n' % (
  664 + key_description(EXITCHARCTER),
  665 + key_description(MENUCHARACTER),
  666 + key_description(MENUCHARACTER),
  667 + key_description('\x08'),
  668 + ))
  669 +
  670 + if options.dtr_state is not None:
  671 + if not options.quiet:
  672 + sys.stderr.write('--- forcing DTR %s\n' % (options.dtr_state and 'active' or 'inactive'))
  673 + miniterm.serial.setDTR(options.dtr_state)
  674 + miniterm.dtr_state = options.dtr_state
  675 + if options.rts_state is not None:
  676 + if not options.quiet:
  677 + sys.stderr.write('--- forcing RTS %s\n' % (options.rts_state and 'active' or 'inactive'))
  678 + miniterm.serial.setRTS(options.rts_state)
  679 + miniterm.rts_state = options.rts_state
  680 +
  681 + console.setup()
  682 + miniterm.start()
  683 + try:
  684 + miniterm.join(True)
  685 + except KeyboardInterrupt:
  686 + pass
  687 + if not options.quiet:
  688 + sys.stderr.write("\n--- exit ---\n")
  689 + miniterm.join()
  690 + #~ console.cleanup()
  691 +
  692 +# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
  693 +if __name__ == '__main__':
  694 + main()