From 0cc9b20c15460213e488bf5e70963b941482f628 Mon Sep 17 00:00:00 2001
From: William Harrington <kb0iic@berzerkula.org>
Date: Tue, 14 Jan 2025 16:06:02 -0600
Subject: Add source.

---
 sdk/dev/speed.c | 75 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 75 insertions(+)
 create mode 100644 sdk/dev/speed.c

(limited to 'sdk/dev/speed.c')

diff --git a/sdk/dev/speed.c b/sdk/dev/speed.c
new file mode 100644
index 0000000..f9fee56
--- /dev/null
+++ b/sdk/dev/speed.c
@@ -0,0 +1,75 @@
+/*
+ * Specify serial communications speed.
+ * $Id$
+ * 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
+
+int	setspeed(stty_t tios, ulong speed)
+{
+
+#ifdef	B38400
+	int	rate = B38400;
+#else
+	int	rate = B19200;
+#endif
+
+	switch(speed)
+	{
+	case 110:
+		rate = B110;
+		break;
+	case 300:
+		rate = B300;
+		break;
+	case 600:
+		rate = B600;
+		break;
+	case 1200:
+		rate = B1200;
+		break;
+	case 2400:
+		rate = B2400;
+		break;
+	case 4800:
+		rate = B4800;
+		break;
+	case 9600:
+		rate = B9600;
+		break;
+	case 19200:
+		rate = B19200;
+		break;
+#ifdef	B38400
+	case 38400:
+		rate = B38400;
+		break;
+#endif
+#ifdef	B57600
+	case 57600:
+		rate = B57600;
+		break;
+#endif
+#ifdef	B115200
+	case 115200:
+		rate = B115200;
+		break;
+#endif
+	}
+
+#ifndef	TERMIOS_H_MISSING
+	cfsetospeed(tios, rate);
+	cfsetispeed(tios, rate);
+#endif
+	return rate;
+}
+
+	
+	
+
+
-- 
cgit v1.2.3-54-g00ecf