Remove kdevelop project file added by mistake.
[bertos.git] / drv / at91 / timer.c
old mode 100755 (executable)
new mode 100644 (file)
index 2b396fa..e40bb0a
  * \brief Low-level timer module for Atmel AT91 (inplementation).
  */
 
-#include <drv/timer_at91.h>
-#include <cfg/macros.h> // BV()
+#include "timer.h"
+#include "at91sam7s.h"
+#include "sysirq.h"
 
+#include <cfg/macros.h> // BV()
+#include <cfg/module.h>
 #include <cfg/cpu.h>
 
 
 /** HW dependent timer initialization  */
 #if (CONFIG_TIMER == TIMER_ON_PIT)
-       #warning Very untested!
-       INLINE static void timer_hw_irq(void)
+       INLINE void timer_hw_irq(void)
        {
-               /* Reset counters, this is needed to start timer and interrupt flags */
-               volatile uint32_t dummy = PIT_PIVR;
+               /* Reset counters, this is needed to reset timer and interrupt flags */
+               uint32_t dummy = PIVR;
+               (void) dummy;
        }
 
+       INLINE bool timer_hw_triggered(void)
+       {
+               return PIT_SR & BV(PITS);
+       }
 
-       static void timer_hw_init(void)
+       INLINE void timer_hw_init(void)
        {
                cpuflags_t flags;
+
+               MOD_CHECK(sysirq);
+
                IRQ_SAVE_DISABLE(flags);
 
-               PIT_MR = CLOCK_FREQ / (16 * TIMER_TICKS_PER_SEC) - 1;
+               PIT_MR = TIMER_HW_CNT;
                /* Register system interrupt handler. */
                sysirq_setHandler(SYSIRQ_PIT, timer_handler);
 
                /* Enable interval timer and interval timer interrupts */
-               PIT_MR |= BV(PIT_PITEN);
+               PIT_MR |= BV(PITEN);
                sysirq_setEnable(SYSIRQ_PIT, true);
 
                /* Reset counters, this is needed to start timer and interrupt flags */
-               volatile uint32_t dummy = PIT_PIVR;
+               uint32_t dummy = PIVR;
+               (void) dummy;
 
                IRQ_RESTORE(flags);
        }
@@ -50,7 +61,7 @@
        INLINE hptime_t timer_hw_hpread(void)
        {
                /* In the upper part of PIT_PIIR there is unused data */
-               return PIT_PIIR & 0xfffff;
+               return PIIR & CPIV_MASK;
        }
 
 #else