CM3: generic timer (Systick) driver implementation.

[bertos.git] / bertos / cpu / cortex-m3 / drv / timer_lm3s.c

diff --git a/bertos/cpu/cortex-m3/drv/timer_lm3s.c b/bertos/cpu/cortex-m3/drv/timer_lm3s.c
deleted file mode 100644 (file)
index 49b9fa8..0000000
--- a/bertos/cpu/cortex-m3/drv/timer_lm3s.c
+++ /dev/null
@@ -1,72 +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.
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- * This program is distributed in the hope that it will be useful,
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- * GNU General Public License for more details.
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- * 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
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- *
- * Copyright 2010 Develer S.r.l. (http://www.develer.com/)
- *
- * -->
- *
- * \brief Low-level timer driver for LM3S1968.
- *
- * \author Andrea Righi <arighi@develer.com>
- */
-
-#include <cfg/debug.h>
-#include <cpu/irq.h>
-#include <io/lm3s.h>
-#include <drv/irq_cm3.h>
-#include "timer_lm3s.h"
-
-INLINE void timer_hw_setPeriod(unsigned long period)
-{
-       ASSERT(period < (1 << 24));
-       HWREG(NVIC_ST_RELOAD) = period - 1;
-}
-
-static void timer_hw_enable(void)
-{
-       HWREG(NVIC_ST_CTRL) |=
-               NVIC_ST_CTRL_CLK_SRC | NVIC_ST_CTRL_ENABLE | NVIC_ST_CTRL_INTEN;
-}
-
-static void timer_hw_disable(void)
-{
-       HWREG(NVIC_ST_CTRL) &= ~(NVIC_ST_CTRL_ENABLE | NVIC_ST_CTRL_INTEN);
-}
-
-void timer_hw_init(void)
-{
-       timer_hw_setPeriod(CPU_FREQ / TIMER_TICKS_PER_SEC);
-       sysirq_setHandler(FAULT_SYSTICK, timer_handler);
-       timer_hw_enable();
-}
-
-void timer_hw_exit(void)
-{
-       timer_hw_disable();
-       sysirq_freeHandler(FAULT_SYSTICK);
-}