aboutsummaryrefslogtreecommitdiff
path: root/drivers/char/rio/riotime.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/char/rio/riotime.h')
-rw-r--r--drivers/char/rio/riotime.h63
1 files changed, 63 insertions, 0 deletions
diff --git a/drivers/char/rio/riotime.h b/drivers/char/rio/riotime.h
new file mode 100644
index 00000000000..66d52bc0549
--- /dev/null
+++ b/drivers/char/rio/riotime.h
@@ -0,0 +1,63 @@
+/****************************************************************************
+ ******* *******
+ ******* T I M E
+ ******* *******
+ ****************************************************************************
+
+ Author : Jeremy Rolls
+ Date :
+
+ *
+ * (C) 1990 - 2000 Specialix International Ltd., Byfleet, Surrey, UK.
+ *
+
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+ Version : 0.01
+
+
+ Mods
+ ----------------------------------------------------------------------------
+ Date By Description
+ ----------------------------------------------------------------------------
+
+ ***************************************************************************/
+
+#ifndef _riotime_h
+#define _riotime_h 1
+
+#ifndef lint
+#ifdef SCCS
+static char *_rio_riotime_h_sccs = "@(#)riotime.h 1.1" ;
+#endif
+#endif
+
+#define TWO_POWER_FIFTEEN (ushort)32768
+#define RioTime() riotime
+#define RioTimeAfter(time1,time2) ((ushort)time1 - (ushort)time2) < TWO_POWER_FIFTEEN
+#define RioTimePlus(time1,time2) ((ushort)time1 + (ushort)time2)
+
+/**************************************
+ * Convert a RIO tick (1/10th second)
+ * into transputer low priority ticks
+ *************************************/
+#define RioTimeToLow(time) (time*(100000 / 64))
+#define RioLowToTime(time) ((time*64)/100000)
+
+#define RIOTENTHSECOND (ushort)1
+#define RIOSECOND (ushort)(RIOTENTHSECOND * 10)
+#endif
+
+/*********** end of file ***********/