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https://github.com/UzixLS/picocom.git
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ee23af0cb9
If picocom is compiled *with* custom-baudrate support (USE_CUSTOM_BAUD) for Linux, then it uses a new set of ioctl's (TCGETS2 vs TCGETS, etc) to access the serial ports. This patch allows the custom baudrate support to be disabled at runtime (without recompiling), and picocom to switch to using the old ioctl's. To disable custom baudrate support (and switch back to the "old" ioctls) simply define the environment variable NO_CUSTOM_BAUD, before starting picocom. This applies only to Linux and, obviously, only when picocom has been compiled with custom baudrate support (USE_CUSTOM_BAUD).
104 lines
2.9 KiB
C
104 lines
2.9 KiB
C
/*
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* custbaud_bsd.h
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*
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* Custom baud rate support for BSD and macOS.
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*
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* by Joe Merten (https://github.com/JoeMerten www.jme.de)
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*
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* ATTENTION: BSD and macOS specific stuff!
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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* USA
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*/
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#ifndef CUSTBAUD_BSD_H
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#define CUSTBAUD_BSD_H
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#include <termios.h>
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/***************************************************************************/
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/* macOS termios.h unfortunately just provides constants for baudrates
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* up to 230k, so we add the missing constants here. Regardless, that
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* most of the high baudrates needs special handling (implementation in
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* tcsetattr_custom()), we want to provide the values here to have them
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* available for term_baud_up()/down().
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*
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* FreeBSD 11.0 termios.h has 460k and 921k but misses e.g. 500k and >=1M.
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* OpenBSD 6.2 termios.h is missing all >230k (like macOS).
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* NetBSD 7.1.1 do same as FreeBSD 11.0.
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* DragonFly 5.0.2 looks same as OpenBSD 6.2.
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*/
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#if defined(HIGH_BAUD)
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#ifndef B460800
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#define B460800 460800
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#endif
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#ifndef B500000
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#define B500000 500000
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#endif
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#ifndef B576000
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#define B576000 576000
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#endif
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#ifndef B921600
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#define B921600 921600
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#endif
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#ifndef B1000000
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#define B1000000 1000000
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#endif
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#ifndef B1152000
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#define B1152000 1152000
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#endif
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#ifndef B1500000
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#define B1500000 1500000
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#endif
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#ifndef B2000000
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#define B2000000 2000000
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#endif
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#ifndef B2500000
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#define B2500000 2500000
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#endif
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#ifndef B3000000
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#define B3000000 3000000
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#endif
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#ifndef B3500000
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#define B3500000 3500000
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#endif
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#ifndef B4000000
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#define B4000000 4000000
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#endif
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#endif /* HIGH_BAUD */
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/***************************************************************************/
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int cfsetospeed_custom(struct termios *tiop, int speed);
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int cfsetispeed_custom(struct termios *tiop, int speed);
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int cfgetospeed_custom(const struct termios *tiop);
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int cfgetispeed_custom(const struct termios *tiop);
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/***************************************************************************/
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#ifdef __APPLE__
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/* Replace tcsetattr function with our macOS specific one */
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#define tcsetattr tcsetattr_custom
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int tcsetattr_custom(int fd, int optional_actions, const struct termios *tiop);
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#endif
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/***************************************************************************/
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#endif /* CUSTBAUD_BSD_H */
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