Fix minor typos

[bertos.git] / drv / at91 / timer.h

diff --git a/drv/at91/timer.h b/drv/at91/timer.h
old mode 100755 (executable)
new mode 100644 (file)
index ca3ccdf..87bccd1
--- a/drv/at91/timer.h
+++ b/drv/at91/timer.h
@@ -1,8 +1,33 @@
 /**
  * \file
  * <!--
+ * This file is part of BeRTOS.
+ *
+ * Bertos 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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * As a special exception, you may use this file as part of a free software
+ * library without restriction.  Specifically, if other files instantiate
+ * templates or use macros or inline functions from this file, or you compile
+ * this file and link it with other files to produce an executable, this
+ * file does not by itself cause the resulting executable to be covered by
+ * the GNU General Public License.  This exception does not however
+ * invalidate any other reasons why the executable file might be covered by
+ * the GNU General Public License.
+ *
  * Copyright 2007 Develer S.r.l. (http://www.develer.com/)
- * This file is part of DevLib - See README.devlib for information.
+ *
  * -->
  *
  * \version $Id$
@@ -36,9 +61,14 @@
  */
 #if (CONFIG_TIMER == TIMER_ON_PIT)
 
+       void timer_handler(void);
+
        #define DEFINE_TIMER_ISR     void timer_handler(void)
        #define TIMER_TICKS_PER_SEC  1000
-       #define TIMER_HW_CNT         FIXME
+       #define TIMER_HW_CNT         (CLOCK_FREQ / (16 * TIMER_TICKS_PER_SEC) - 1)
+
+       /** Frequency of the hardware high-precision timer. */
+       #define TIMER_HW_HPTICKS_PER_SEC (CLOCK_FREQ / 16)
 
        /// Type of time expressed in ticks of the hardware high-precision timer
        typedef uint32_t hptime_t;
@@ -47,7 +77,5 @@
        #error Unimplemented value for CONFIG_TIMER
 #endif /* CONFIG_TIMER */
 
-/** Frequency of the hardware high-precision timer. */
-#define TIMER_HW_HPTICKS_PER_SEC FIXME
 
 #endif /* DRV_TIMER_AT91_H */