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| 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 conso
le |
| 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) av
ailable." % 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, conv
ert_outgoing=CONVERT_CRLF, repr_mode=0): |
| 170 try: |
| 171 self.serial = serial.serial_for_url(port, baudrate, parity=parity, r
tscts=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=rt
scts, 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.xonxof
f 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 f
ile |
| 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' % f
ilename) |
| 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' % fi
lename) |
| 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 R
TS |
| 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 an
d 'active' or 'inactive')) |
| 328 elif c == '\x04': # CTRL+D -> Toggle D
TR |
| 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 an
d 'active' or 'inactive')) |
| 332 elif c == '\x02': # CTRL+B -> toggle B
REAK 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_stat
e and 'active' or 'inactive')) |
| 336 elif c == '\x05': # CTRL+E -> toggle l
ocal 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 es
cape 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 li
nefeed 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_outgo
ing] |
| 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 old
er 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 baudra
te |
| 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().stri
p()) |
| 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 b
its |
| 408 self.serial.bytesize = serial.EIGHTBITS |
| 409 self.dump_port_settings() |
| 410 elif c == '7': # 7 -> change to 8 b
its |
| 411 self.serial.bytesize = serial.SEVENBITS |
| 412 self.dump_port_settings() |
| 413 elif c in 'eE': # E -> change to eve
n 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 mar
k parity |
| 420 self.serial.parity = serial.PARITY_MARK |
| 421 self.dump_port_settings() |
| 422 elif c in 'sS': # S -> change to spa
ce 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 s
top bits |
| 429 self.serial.stopbits = serial.STOPBITS_ONE |
| 430 self.dump_port_settings() |
| 431 elif c == '2': # 2 -> change to 2 s
top 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 softwa
re flow control |
| 438 self.serial.xonxoff = (c == 'X') |
| 439 self.dump_port_settings() |
| 440 elif c in 'rR': # R -> change hardwa
re 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 chara
cter(s) |
| 453 if self.echo: |
| 454 sys.stdout.write(c) # local echo is a re
al 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 paramet
er 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 applica
tion", |
| 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 'ac
tive' 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 'ac
tive' 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() |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 75803002:
[telemetry] Add Monsoon protocol library. (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src