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authorWilliam Harrington <kb0iic@berzerkula.org>2025-01-14 16:06:02 -0600
committerWilliam Harrington <kb0iic@berzerkula.org>2025-01-14 16:06:02 -0600
commit0cc9b20c15460213e488bf5e70963b941482f628 (patch)
treebb0143245583ec846630f39bfa2258dba640ccd7 /sdk/dev/flowctrl.c
parent0e084ade5069756d487b5c948c48b777e37c00c9 (diff)
Add source.
Diffstat (limited to 'sdk/dev/flowctrl.c')
-rw-r--r--sdk/dev/flowctrl.c47
1 files changed, 47 insertions, 0 deletions
diff --git a/sdk/dev/flowctrl.c b/sdk/dev/flowctrl.c
new file mode 100644
index 0000000..7977b1c
--- /dev/null
+++ b/sdk/dev/flowctrl.c
@@ -0,0 +1,47 @@
+/*
+ * Serial line flow control option settings.
+ * $Id$
+ * Copyright (c) 1997 by Tycho Softworks.
+ * For conditions of distribution and reuse see product license.
+ */
+
+#include <dev/tty.h>
+#ifndef TERMIOS_H_MISSING
+#include <termios.h>
+#endif
+
+#ifndef CRTSCTS
+#ifdef CTSFLOW
+#define CRTSCTS CTSFLOW | CRTSFL
+#endif
+#endif
+
+int setflowctrl(stty_t stty, FLOWCONTROL flow)
+{
+#ifndef TERMIOS_H_MISSING
+
+ struct termios *tios = stty;
+ tios->c_cflag &= ~CRTSCTS;
+ tios->c_iflag &= ~(IXON | IXOFF | IXANY);
+
+ switch(flow)
+ {
+ case FC_HARD:
+ tios->c_cflag |= CRTSCTS;
+ break;
+ case FC_SOFT:
+ tios->c_iflag |= (IXON | IXOFF | IXANY);
+ break;
+ case FC_FULL:
+ tios->c_cflag |= CRTSCTS;
+ tios->c_iflag |= (IXON | IXOFF | IXANY);
+ break;
+ }
+#endif
+ return 0;
+}
+
+
+
+
+