CM3: unify timer driver for Cortex-M3 processors.

git-svn-id: https://src.develer.com/svnoss/bertos/trunk@3603 38d2e660-2303-0410-9eaa-f027e97ec537

diff --git a/bertos/cpu/cortex-m3/drv/timer_cm3.h b/bertos/cpu/cortex-m3/drv/timer_cm3.h
index 6cfaf8cf6fe68d228208bec25b3ee764c12fc176..b81df0bf7ec1e3d9d09e735fff677bf94ab3e1eb 100644 (file)
--- a/bertos/cpu/cortex-m3/drv/timer_cm3.h
+++ b/bertos/cpu/cortex-m3/drv/timer_cm3.h
@@ -35,11 +35,50 @@
  * \brief Low-level timer driver (SysTick) for Cortex-M3.
  */
 
-#include <cpu/detect.h>
+#ifndef TIMER_CM3_H
+#define TIMER_CM3_H
 
 #if CPU_CM3_LM3S
-       #include "timer_lm3s.h"
+       #include <io/lm3s.h>
+#elif CPU_CM3_STM32
+       #include <io/stm32.h>
 /*#elif  Add other families here */
 #else
        #error Unknown CPU
 #endif
+
+/* Ticks frequency (HZ) */
+#define TIMER_TICKS_PER_SEC    1000
+
+/* Frequency of the hardware high-precision timer. */
+#define TIMER_HW_HPTICKS_PER_SEC (CPU_FREQ)
+
+/* Maximum value of the high-precision hardware counter register */
+#define TIMER_HW_CNT (CPU_FREQ / TIMER_TICKS_PER_SEC)
+
+/** Type of time expressed in ticks of the hardware high-precision timer */
+typedef uint32_t hptime_t;
+#define SIZEOF_HPTIME_T 4
+
+/* Timer ISR prototype */
+ISR_PROTO_CONTEXT_SWITCH(timer_handler);
+#define DEFINE_TIMER_ISR DECLARE_ISR_CONTEXT_SWITCH(timer_handler)
+
+INLINE void timer_hw_irq(void)
+{
+}
+
+INLINE bool timer_hw_triggered(void)
+{
+       return true;
+}
+
+INLINE hptime_t timer_hw_hpread(void)
+{
+       return HWREG(NVIC_ST_CURRENT);
+}
+
+void timer_hw_init(void);
+void timer_hw_exit(void);
+
+#endif /* TIMER_CM3_H */

diff --git a/bertos/cpu/cortex-m3/drv/timer_lm3s.h b/bertos/cpu/cortex-m3/drv/timer_lm3s.h
deleted file mode 100644 (file)
index 00c532f..0000000
--- a/bertos/cpu/cortex-m3/drv/timer_lm3s.h
+++ /dev/null
@@ -1,77 +0,0 @@
-/**
- * \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 2010 Develer S.r.l. (http://www.develer.com/)
- *
- * -->
- *
- * \brief Low-level timer driver (SysTick) for LM3S1968.
- *
- * \author Andrea Righi <arighi@develer.com>
- */
-
-#ifndef DRV_CORTEX_M3_TIMER_H
-#define DRV_CORTEX_M3_TIMER_H
-
-#include <io/lm3s.h>
-
-/* Ticks frequency (HZ) */
-#define TIMER_TICKS_PER_SEC    1000
-
-/* Frequency of the hardware high-precision timer. */
-#define TIMER_HW_HPTICKS_PER_SEC (CPU_FREQ)
-
-/* Maximum value of the high-precision hardware counter register */
-#define TIMER_HW_CNT (CPU_FREQ / TIMER_TICKS_PER_SEC)
-
-/** Type of time expressed in ticks of the hardware high-precision timer */
-typedef uint32_t hptime_t;
-#define SIZEOF_HPTIME_T 4
-
-/* Timer ISR prototype */
-ISR_PROTO_CONTEXT_SWITCH(timer_handler);
-#define DEFINE_TIMER_ISR DECLARE_ISR_CONTEXT_SWITCH(timer_handler)
-
-INLINE void timer_hw_irq(void)
-{
-}
-
-INLINE bool timer_hw_triggered(void)
-{
-       return true;
-}
-
-INLINE hptime_t timer_hw_hpread(void)
-{
-       return HWREG(NVIC_ST_CURRENT);
-}
-
-void timer_hw_init(void);
-void timer_hw_exit(void);
-
-#endif /* DRV_CORTEX_M3_TIMER_H */