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new c36c9f87d80 arch/tricore: add one_shot .tick_start implementation
c36c9f87d80 is described below
commit c36c9f87d80d4f13624e2e755517cd3d5bdddaef
Author: wangchengdong <wangchengd...@lixiang.com>
AuthorDate: Wed Sep 3 21:15:40 2025 +0800
arch/tricore: add one_shot .tick_start implementation
.tick_start is better in terms of performance than .start for one shot,
so provide this .tick_start implementation
Signed-off-by: Chengdong Wang <wangchengd...@lixiang.com>
---
arch/tricore/src/common/tricore_systimer.c | 47 ++++++++++++++++++++++++++++++
1 file changed, 47 insertions(+)
diff --git a/arch/tricore/src/common/tricore_systimer.c
b/arch/tricore/src/common/tricore_systimer.c
index 84482bb7146..70ad40629cf 100644
--- a/arch/tricore/src/common/tricore_systimer.c
+++ b/arch/tricore/src/common/tricore_systimer.c
@@ -67,6 +67,10 @@ static int tricore_systimer_cancel(struct
oneshot_lowerhalf_s *lower,
struct timespec *ts);
static int tricore_systimer_current(struct oneshot_lowerhalf_s *lower,
struct timespec *ts);
+static int
+tricore_systimer_tick_start(struct oneshot_lowerhalf_s *lower,
+ oneshot_callback_t callback, void *arg,
+ clock_t ticks);
/****************************************************************************
* Private Data
@@ -78,6 +82,7 @@ static const struct oneshot_operations_s
g_tricore_systimer_ops =
.start = tricore_systimer_start,
.cancel = tricore_systimer_cancel,
.current = tricore_systimer_current,
+ .tick_start = tricore_systimer_tick_start,
};
static struct tricore_systimer_lowerhalf_s g_systimer_lower =
@@ -274,6 +279,48 @@ static int tricore_systimer_current(struct
oneshot_lowerhalf_s *lower,
return 0;
}
+/****************************************************************************
+ * Name: tricore_systimer_tick_start
+ *
+ * Description:
+ * Start the oneshot timer
+ *
+ * Input Parameters:
+ * lower An instance of the lower-half oneshot state structure. This
+ * structure must have been previously initialized via a call to
+ * oneshot_initialize();
+ * handler The function to call when when the oneshot timer expires.
+ * arg An opaque argument that will accompany the callback.
+ * ticks Provides the duration of the one shot timer.
+ *
+ * Returned Value:
+ * Zero (OK) is returned on success; a negated errno value is returned
+ * on failure.
+ *
+ ****************************************************************************/
+
+static int
+tricore_systimer_tick_start(struct oneshot_lowerhalf_s *lower,
+ oneshot_callback_t callback, void *arg,
+ clock_t ticks)
+{
+ struct tricore_systimer_lowerhalf_s *priv =
+ (struct tricore_systimer_lowerhalf_s *)lower;
+ uint64_t mtime = tricore_systimer_get_time(priv);
+
+ priv->alarm = mtime + priv->freq * ticks / TICK_PER_SEC;
+ if (priv->alarm < mtime)
+ {
+ priv->alarm = UINT64_MAX;
+ }
+
+ priv->callback = callback;
+ priv->arg = arg;
+
+ tricore_systimer_set_timecmp(priv, priv->alarm);
+ return 0;
+}
+
/****************************************************************************
* Name: tricore_systimer_interrupt
*
