def reconfigure(self, state=True):
"""
Allow HUPCL (hang up on close)
VMIN, VTIME = 0
"""
fd = self.fileno()
orig_attr = termios.tcgetattr(fd)
iflag, oflag, cflag, lflag, ispeed, ospeed, cc = orig_attr
cflag |= termios.HUPCL
cc[termios.VMIN] = 0
cc[termios.VTIME] = 0
termios.tcsetattr(fd, termios.TCSANOW,
[iflag, oflag, cflag, lflag, ispeed, ospeed, cc])
python类VTIME的实例源码
def setupterm():
global settings
update_geometry()
hide_cursor()
do('smkx') # keypad mode
if not settings:
settings = termios.tcgetattr(fd.fileno())
mode = termios.tcgetattr(fd.fileno())
IFLAG = 0
OFLAG = 1
CFLAG = 2
LFLAG = 3
ISPEED = 4
OSPEED = 5
CC = 6
mode[LFLAG] = mode[LFLAG] & ~(termios.ECHO | termios.ICANON | termios.IEXTEN)
mode[CC][termios.VMIN] = 1
mode[CC][termios.VTIME] = 0
termios.tcsetattr(fd, termios.TCSAFLUSH, mode)
def setup(self):
self.old = termios.tcgetattr(self.fd)
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 setupterm():
global settings
update_geometry()
hide_cursor()
do('smkx') # keypad mode
if not settings:
settings = termios.tcgetattr(fd.fileno())
mode = termios.tcgetattr(fd.fileno())
IFLAG = 0
OFLAG = 1
CFLAG = 2
LFLAG = 3
ISPEED = 4
OSPEED = 5
CC = 6
mode[LFLAG] = mode[LFLAG] & ~(termios.ECHO | termios.ICANON | termios.IEXTEN)
mode[CC][termios.VMIN] = 1
mode[CC][termios.VTIME] = 0
termios.tcsetattr(fd, termios.TCSAFLUSH, mode)
def _reconfigure_port(self, force_update=True):
"""Set communication parameters on opened port."""
super(VTIMESerial, self)._reconfigure_port()
fcntl.fcntl(self.fd, fcntl.F_SETFL, 0) # clear O_NONBLOCK
if self._inter_byte_timeout is not None:
vmin = 1
vtime = int(self._inter_byte_timeout * 10)
else:
vmin = 0
vtime = int(self._timeout * 10)
try:
orig_attr = termios.tcgetattr(self.fd)
iflag, oflag, cflag, lflag, ispeed, ospeed, cc = orig_attr
except termios.error as msg: # if a port is nonexistent but has a /dev file, it'll fail here
raise serial.SerialException("Could not configure port: %s" % msg)
if vtime < 0 or vtime > 255:
raise ValueError('Invalid vtime: %r' % vtime)
cc[termios.VTIME] = vtime
cc[termios.VMIN] = vmin
termios.tcsetattr(
self.fd,
termios.TCSANOW,
[iflag, oflag, cflag, lflag, ispeed, ospeed, cc])
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 prepare(self):
# per-readline preparations:
self.__svtermstate = tcgetattr(self.input_fd)
raw = self.__svtermstate.copy()
raw.iflag |= termios.ICRNL
raw.iflag &= ~(termios.BRKINT | termios.INPCK |
termios.ISTRIP | termios.IXON)
raw.oflag &= ~termios.OPOST
raw.cflag &= ~(termios.CSIZE | termios.PARENB)
raw.cflag |= (termios.CS8)
raw.lflag &= ~(termios.ICANON | termios.ECHO |
termios.IEXTEN | (termios.ISIG * 1))
raw.cc[termios.VMIN] = 1
raw.cc[termios.VTIME] = 0
tcsetattr(self.input_fd, termios.TCSADRAIN, raw)
self.screen = []
self.height, self.width = self.getheightwidth()
self.__buffer = []
self.__posxy = 0, 0
self.__gone_tall = 0
self.__move = self.__move_short
self.__offset = 0
self.__maybe_write_code(self._smkx)
try:
self.old_sigwinch = signal.signal(
signal.SIGWINCH, self.__sigwinch)
except ValueError:
pass
def _reconfigure_port(self, force_update=True):
"""Set communication parameters on opened port."""
super(VTIMESerial, self)._reconfigure_port()
fcntl.fcntl(self.fd, fcntl.F_SETFL, 0) # clear O_NONBLOCK
if self._inter_byte_timeout is not None:
vmin = 1
vtime = int(self._inter_byte_timeout * 10)
else:
vmin = 0
vtime = int(self._timeout * 10)
try:
orig_attr = termios.tcgetattr(self.fd)
iflag, oflag, cflag, lflag, ispeed, ospeed, cc = orig_attr
except termios.error as msg: # if a port is nonexistent but has a /dev file, it'll fail here
raise serial.SerialException("Could not configure port: %s" % msg)
if vtime < 0 or vtime > 255:
raise ValueError('Invalid vtime: %r' % vtime)
cc[termios.VTIME] = vtime
cc[termios.VMIN] = vmin
termios.tcsetattr(
self.fd,
termios.TCSANOW,
[iflag, oflag, cflag, lflag, ispeed, ospeed, cc])
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 setup(self):
self.old = termios.tcgetattr(self.fd)
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 setup(self):
self.old = termios.tcgetattr(self.fd)
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 _reconfigure_port(self, force_update=True):
"""Set communication parameters on opened port."""
super(VTIMESerial, self)._reconfigure_port()
fcntl.fcntl(self.fd, fcntl.F_SETFL, 0) # clear O_NONBLOCK
if self._inter_byte_timeout is not None:
vmin = 1
vtime = int(self._inter_byte_timeout * 10)
elif self._timeout is None:
vmin = 1
vtime = 0
else:
vmin = 0
vtime = int(self._timeout * 10)
try:
orig_attr = termios.tcgetattr(self.fd)
iflag, oflag, cflag, lflag, ispeed, ospeed, cc = orig_attr
except termios.error as msg: # if a port is nonexistent but has a /dev file, it'll fail here
raise serial.SerialException("Could not configure port: {}".format(msg))
if vtime < 0 or vtime > 255:
raise ValueError('Invalid vtime: {!r}'.format(vtime))
cc[termios.VTIME] = vtime
cc[termios.VMIN] = vmin
termios.tcsetattr(
self.fd,
termios.TCSANOW,
[iflag, oflag, cflag, lflag, ispeed, ospeed, cc])
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 setup(self):
self.old = termios.tcgetattr(self.fd)
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 _reconfigure_port(self, force_update=True):
"""Set communication parameters on opened port."""
super(VTIMESerial, self)._reconfigure_port()
fcntl.fcntl(self.fd, fcntl.F_SETFL, 0) # clear O_NONBLOCK
if self._inter_byte_timeout is not None:
vmin = 1
vtime = int(self._inter_byte_timeout * 10)
elif self._timeout is None:
vmin = 1
vtime = 0
else:
vmin = 0
vtime = int(self._timeout * 10)
try:
orig_attr = termios.tcgetattr(self.fd)
iflag, oflag, cflag, lflag, ispeed, ospeed, cc = orig_attr
except termios.error as msg: # if a port is nonexistent but has a /dev file, it'll fail here
raise serial.SerialException("Could not configure port: {}".format(msg))
if vtime < 0 or vtime > 255:
raise ValueError('Invalid vtime: {!r}'.format(vtime))
cc[termios.VTIME] = vtime
cc[termios.VMIN] = vmin
termios.tcsetattr(
self.fd,
termios.TCSANOW,
[iflag, oflag, cflag, lflag, ispeed, ospeed, cc])
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 _reconfigure_port(self, force_update=True):
"""Set communication parameters on opened port."""
super(VTIMESerial, self)._reconfigure_port()
fcntl.fcntl(self.fd, fcntl.F_SETFL, 0) # clear O_NONBLOCK
if self._inter_byte_timeout is not None:
vmin = 1
vtime = int(self._inter_byte_timeout * 10)
else:
vmin = 0
vtime = int(self._timeout * 10)
try:
orig_attr = termios.tcgetattr(self.fd)
iflag, oflag, cflag, lflag, ispeed, ospeed, cc = orig_attr
except termios.error as msg: # if a port is nonexistent but has a /dev file, it'll fail here
raise serial.SerialException("Could not configure port: %s" % msg)
if vtime < 0 or vtime > 255:
raise ValueError('Invalid vtime: %r' % vtime)
cc[termios.VTIME] = vtime
cc[termios.VMIN] = vmin
termios.tcsetattr(
self.fd,
termios.TCSANOW,
[iflag, oflag, cflag, lflag, ispeed, ospeed, cc])
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 __init__(self):
global CIO_STARTED
if CIO_STARTED:
raise Exception("cannot init cio twice")
CIO_STARTED = True
self.buf=''
self.fh_ocfg=list()
if os.name == 'posix':
# for posix, need to set to non-canonical input.
self.posix=True
fh = sys.stdin.fileno()
# if the following call fails, we are probably called with a stdin which is not a tty.
ocfg = termios.tcgetattr(fh)
cfg = termios.tcgetattr(fh)
cfg[3] = cfg[3]&~termios.ICANON&~termios.ECHO
#cfg[0] = cfg[0]&~termios.INLCR
#cfg[1] = cfg[0]&~termios.OCRNL
cfg[6][termios.VMIN] = 0
cfg[6][termios.VTIME] = 0
termios.tcsetattr(fh,termios.TCSAFLUSH,cfg)
self.fh_ocfg.extend((fh,ocfg))
atexit.register(stop_canon_input,self.fh_ocfg)
elif os.name == 'nt':
# for windows, don't need to configure the terminal.
self.posix=False
else:
# know only posix and windows...
raise Exception("os variant %s not supported"%repr(os.name))
def setup(self):
self.old = termios.tcgetattr(self.fd)
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 run(self):
if os.name != "posix":
raise ValueError("Can only be run on Posix systems")
return
buffer = ""
# While PySerial would be preferable and more machine-independant,
# it does not support echo suppression
with open(self.dbgser_tty_name, 'r+') as dbgser:
# Config the debug serial port
oldattrs = termios.tcgetattr(dbgser)
newattrs = termios.tcgetattr(dbgser)
newattrs[4] = termios.B115200 # ispeed
newattrs[5] = termios.B115200 # ospeed
newattrs[3] = newattrs[3] & ~termios.ICANON & ~termios.ECHO
newattrs[6][termios.VMIN] = 0
newattrs[6][termios.VTIME] = 10
termios.tcsetattr(dbgser, termios.TCSANOW, newattrs)
# As long as we weren't asked to stop, try to capture dbgserial
# output and push each line up the result queue.
try:
while not self.stoprequest.isSet():
ch = dbgser.read(1)
if ch:
if ch == "\n":
# Push the line (sans newline) into our queue
# and clear the buffer for the next line.
self.result_q.put(buffer)
buffer = ""
elif ch != "\r":
buffer += ch
except IOError:
pass
finally:
# Restore previous settings
termios.tcsetattr(dbgser, termios.TCSAFLUSH, oldattrs)
# Flush any partial buffer
if buffer:
self.result_q.put(buffer)
def prepare_tty():
"set the terminal in char mode (return each keyboard press at once) and"\
" switch off echoing of this input; return the original settings"
stdin_fd = sys.stdin.fileno() # will most likely be 0 ;->
old_stdin_config = termios.tcgetattr(stdin_fd)
[ iflag, oflag, cflag, lflag, ispeed, ospeed, cc ] = \
termios.tcgetattr(stdin_fd)
cc[termios.VTIME] = 1
cc[termios.VMIN] = 1
iflag = iflag & ~(termios.IGNBRK |
termios.BRKINT |
termios.PARMRK |
termios.ISTRIP |
termios.INLCR |
termios.IGNCR |
#termios.ICRNL |
termios.IXON)
# oflag = oflag & ~termios.OPOST
cflag = cflag | termios.CS8
lflag = lflag & ~(termios.ECHO |
termios.ECHONL |
termios.ICANON |
# termios.ISIG |
termios.IEXTEN)
termios.tcsetattr(stdin_fd, termios.TCSANOW,
[ iflag, oflag, cflag, lflag, ispeed, ospeed, cc ])
return (stdin_fd, old_stdin_config)
def setup(self):
self.old = termios.tcgetattr(self.fd)
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 _reconfigure_port(self, force_update=True):
"""Set communication parameters on opened port."""
super(VTIMESerial, self)._reconfigure_port()
fcntl.fcntl(self.fd, fcntl.F_SETFL, 0) # clear O_NONBLOCK
if self._inter_byte_timeout is not None:
vmin = 1
vtime = int(self._inter_byte_timeout * 10)
elif self._timeout is None:
vmin = 1
vtime = 0
else:
vmin = 0
vtime = int(self._timeout * 10)
try:
orig_attr = termios.tcgetattr(self.fd)
iflag, oflag, cflag, lflag, ispeed, ospeed, cc = orig_attr
except termios.error as msg: # if a port is nonexistent but has a /dev file, it'll fail here
raise serial.SerialException("Could not configure port: {}".format(msg))
if vtime < 0 or vtime > 255:
raise ValueError('Invalid vtime: {!r}'.format(vtime))
cc[termios.VTIME] = vtime
cc[termios.VMIN] = vmin
termios.tcsetattr(
self.fd,
termios.TCSANOW,
[iflag, oflag, cflag, lflag, ispeed, ospeed, cc])
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 _reconfigure_port(self, force_update=True):
"""Set communication parameters on opened port."""
super(VTIMESerial, self)._reconfigure_port()
fcntl.fcntl(self.fd, fcntl.F_SETFL, 0) # clear O_NONBLOCK
if self._inter_byte_timeout is not None:
vmin = 1
vtime = int(self._inter_byte_timeout * 10)
else:
vmin = 0
vtime = int(self._timeout * 10)
try:
orig_attr = termios.tcgetattr(self.fd)
iflag, oflag, cflag, lflag, ispeed, ospeed, cc = orig_attr
except termios.error as msg: # if a port is nonexistent but has a /dev file, it'll fail here
raise serial.SerialException("Could not configure port: {}".format(msg))
if vtime < 0 or vtime > 255:
raise ValueError('Invalid vtime: {!r}'.format(vtime))
cc[termios.VTIME] = vtime
cc[termios.VMIN] = vmin
termios.tcsetattr(
self.fd,
termios.TCSANOW,
[iflag, oflag, cflag, lflag, ispeed, ospeed, cc])
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 prepare(self):
# per-readline preparations:
self.__svtermstate = tcgetattr(self.input_fd)
raw = self.__svtermstate.copy()
raw.iflag &=~ (termios.BRKINT | termios.INPCK |
termios.ISTRIP | termios.IXON)
raw.oflag &=~ (termios.OPOST)
raw.cflag &=~ (termios.CSIZE|termios.PARENB)
raw.cflag |= (termios.CS8)
raw.lflag &=~ (termios.ICANON|termios.ECHO|
termios.IEXTEN|(termios.ISIG*1))
raw.cc[termios.VMIN] = 1
raw.cc[termios.VTIME] = 0
tcsetattr(self.input_fd, termios.TCSADRAIN, raw)
self.screen = []
self.height, self.width = self.getheightwidth()
self.__buffer = []
self.__posxy = 0, 0
self.__gone_tall = 0
self.__move = self.__move_short
self.__offset = 0
self.__maybe_write_code(self._smkx)
try:
self.old_sigwinch = signal.signal(
signal.SIGWINCH, self.__sigwinch)
except ValueError:
pass
def setup(self):
self.old = termios.tcgetattr(self.fd)
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 _reconfigure_port(self, force_update=True):
"""Set communication parameters on opened port."""
super(VTIMESerial, self)._reconfigure_port()
fcntl.fcntl(self.fd, fcntl.F_SETFL, 0) # clear O_NONBLOCK
if self._inter_byte_timeout is not None:
vmin = 1
vtime = int(self._inter_byte_timeout * 10)
elif self._timeout is None:
vmin = 1
vtime = 0
else:
vmin = 0
vtime = int(self._timeout * 10)
try:
orig_attr = termios.tcgetattr(self.fd)
iflag, oflag, cflag, lflag, ispeed, ospeed, cc = orig_attr
except termios.error as msg: # if a port is nonexistent but has a /dev file, it'll fail here
raise serial.SerialException("Could not configure port: {}".format(msg))
if vtime < 0 or vtime > 255:
raise ValueError('Invalid vtime: {!r}'.format(vtime))
cc[termios.VTIME] = vtime
cc[termios.VMIN] = vmin
termios.tcsetattr(
self.fd,
termios.TCSANOW,
[iflag, oflag, cflag, lflag, ispeed, ospeed, cc])
