X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;ds=sidebyside;f=bertos%2Fcpu%2Fcortex-m3%2Fdrv%2Ftimer_lm3s.h;h=3d7c979fcd3a052834833d1eb8f3e6e543f9ed2d;hb=77958b8e9d27594aa22e76132b4bbb8d0335bfc2;hp=53fdd02ffa68f1b82bdfa3ac8a4feb10e35b51ac;hpb=73a7e9cb144007905b5b9de8e3086423e79b6d71;p=bertos.git

diff --git a/bertos/cpu/cortex-m3/drv/timer_lm3s.h b/bertos/cpu/cortex-m3/drv/timer_lm3s.h
index 53fdd02f..3d7c979f 100644
--- a/bertos/cpu/cortex-m3/drv/timer_lm3s.h
+++ b/bertos/cpu/cortex-m3/drv/timer_lm3s.h
@@ -38,6 +38,39 @@
 #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);