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* [newlib-cygwin] fhandler_serial.cc: MARK and SPACE parity for serial port
@ 2021-02-02 9:43 Corinna Vinschen
0 siblings, 0 replies; only message in thread
From: Corinna Vinschen @ 2021-02-02 9:43 UTC (permalink / raw)
To: cygwin-cvs
https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=d4a756f13a3440576c866d0a0cfc3a001f86ad59
commit d4a756f13a3440576c866d0a0cfc3a001f86ad59
Author: Marek Smetana <mara.smetana@gmail.com>
Date: Mon Feb 1 22:02:14 2021 +0100
fhandler_serial.cc: MARK and SPACE parity for serial port
Diff:
---
winsup/cygwin/fhandler_serial.cc | 11 ++++++++++-
winsup/cygwin/include/sys/termios.h | 1 +
2 files changed, 11 insertions(+), 1 deletion(-)
diff --git a/winsup/cygwin/fhandler_serial.cc b/winsup/cygwin/fhandler_serial.cc
index fd5b45899..e0257302c 100644
--- a/winsup/cygwin/fhandler_serial.cc
+++ b/winsup/cygwin/fhandler_serial.cc
@@ -727,7 +727,12 @@ fhandler_serial::tcsetattr (int action, const struct termios *t)
/* -------------- Set parity ------------------ */
if (t->c_cflag & PARENB)
- state.Parity = (t->c_cflag & PARODD) ? ODDPARITY : EVENPARITY;
+ {
+ if(t->c_cflag & CMSPAR)
+ state.Parity = (t->c_cflag & PARODD) ? MARKPARITY : SPACEPARITY;
+ else
+ state.Parity = (t->c_cflag & PARODD) ? ODDPARITY : EVENPARITY;
+ }
else
state.Parity = NOPARITY;
@@ -1068,6 +1073,10 @@ fhandler_serial::tcgetattr (struct termios *t)
t->c_cflag |= (PARENB | PARODD);
if (state.Parity == EVENPARITY)
t->c_cflag |= PARENB;
+ if (state.Parity == MARKPARITY)
+ t->c_cflag |= (PARENB | PARODD | CMSPAR);
+ if (state.Parity == SPACEPARITY)
+ t->c_cflag |= (PARENB | CMSPAR);
/* -------------- Parity errors ------------------ */
diff --git a/winsup/cygwin/include/sys/termios.h b/winsup/cygwin/include/sys/termios.h
index 17e8d83a3..e4465fca3 100644
--- a/winsup/cygwin/include/sys/termios.h
+++ b/winsup/cygwin/include/sys/termios.h
@@ -206,6 +206,7 @@ POSIX commands */
#define CRTSXOFF 0x04000
#define CRTSCTS 0x08000
+#define CMSPAR 0x40000000 /* Mark or space (stick) parity. */
/* lflag bits */
#define ISIG 0x0001
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