diff options
| -rw-r--r-- | serial/__init__.py | 2 | ||||
| -rw-r--r-- | serial/serialposix.py | 43 |
2 files changed, 35 insertions, 10 deletions
diff --git a/serial/__init__.py b/serial/__init__.py index dcd7c12..afd63a6 100644 --- a/serial/__init__.py +++ b/serial/__init__.py @@ -15,7 +15,7 @@ import importlib from serial.serialutil import * #~ SerialBase, SerialException, to_bytes, iterbytes -__version__ = '3.4' +__version__ = '3.4.1' VERSION = __version__ diff --git a/serial/serialposix.py b/serial/serialposix.py index 507e2fe..334ba9f 100644 --- a/serial/serialposix.py +++ b/serial/serialposix.py @@ -54,6 +54,15 @@ class PlatformSpecificBase(object): def set_low_latency_mode(self, low_latency_settings): raise NotImplementedError('Low latency not supported on this platform') + def _update_break_state(self): + """\ + Set break: Controls TXD. When active, no transmitting is possible. + """ + if self._break_state: + fcntl.ioctl(self.fd, TIOCSBRK) + else: + fcntl.ioctl(self.fd, TIOCCBRK) + # some systems support an extra flag to enable the two in POSIX unsupported # paritiy settings for MARK and SPACE @@ -205,6 +214,9 @@ elif plat[:6] == 'darwin': # OS X class PlatformSpecific(PlatformSpecificBase): osx_version = os.uname()[2].split('.') + TIOCSBRK = 0x2000747B # _IO('t', 123) + TIOCCBRK = 0x2000747A # _IO('t', 122) + # Tiger or above can support arbitrary serial speeds if int(osx_version[0]) >= 8: def _set_special_baudrate(self, baudrate): @@ -212,6 +224,15 @@ elif plat[:6] == 'darwin': # OS X buf = array.array('i', [baudrate]) fcntl.ioctl(self.fd, IOSSIOSPEED, buf, 1) + def _update_break_state(self): + """\ + Set break: Controls TXD. When active, no transmitting is possible. + """ + if self._break_state: + fcntl.ioctl(self.fd, PlatformSpecific.TIOCSBRK) + else: + fcntl.ioctl(self.fd, PlatformSpecific.TIOCCBRK) + elif plat[:3] == 'bsd' or \ plat[:7] == 'freebsd' or \ plat[:6] == 'netbsd' or \ @@ -227,6 +248,19 @@ elif plat[:3] == 'bsd' or \ # a literal value. BAUDRATE_CONSTANTS = ReturnBaudrate() + TIOCSBRK = 0x2000747B # _IO('t', 123) + TIOCCBRK = 0x2000747A # _IO('t', 122) + + + def _update_break_state(self): + """\ + Set break: Controls TXD. When active, no transmitting is possible. + """ + if self._break_state: + fcntl.ioctl(self.fd, PlatformSpecific.TIOCSBRK) + else: + fcntl.ioctl(self.fd, PlatformSpecific.TIOCCBRK) + else: class PlatformSpecific(PlatformSpecificBase): pass @@ -635,15 +669,6 @@ class Serial(SerialBase, PlatformSpecific): raise portNotOpenError termios.tcsendbreak(self.fd, int(duration / 0.25)) - def _update_break_state(self): - """\ - Set break: Controls TXD. When active, no transmitting is possible. - """ - if self._break_state: - fcntl.ioctl(self.fd, TIOCSBRK) - else: - fcntl.ioctl(self.fd, TIOCCBRK) - def _update_rts_state(self): """Set terminal status line: Request To Send""" if self._rts_state: |