add all soft timer

Author: zmshahaha

src/Kconfig

@@ -181,6 +181,10 @@ if RT_USING_TIMER_SOFT
         int "The stack size of timer thread"
         default 2048 if ARCH_CPU_64BIT
         default 512
+
+    config RT_USING_TIMER_ALL_SOFT
+        bool "Set all timer as soft timer"
+        default n
 endif
 
 config RT_USING_CPU_USAGE_TRACER

src/timer.c

@@ -31,9 +31,11 @@
 #define DBG_LVL           DBG_INFO
 #include <rtdbg.h>
 
+#ifndef RT_USING_TIMER_ALL_SOFT
 /* hard timer list */
 static rt_list_t _timer_list[RT_TIMER_SKIP_LIST_LEVEL];
 static struct rt_spinlock _htimer_lock;
+#endif
 
 #ifdef RT_USING_TIMER_SOFT
 
@@ -49,7 +51,6 @@ static struct rt_spinlock _htimer_lock;
 static rt_list_t _soft_timer_list[RT_TIMER_SKIP_LIST_LEVEL];
 static struct rt_spinlock _stimer_lock;
 static struct rt_thread _timer_thread;
-static struct rt_semaphore _soft_timer_sem;
 rt_align(RT_ALIGN_SIZE)
 static rt_uint8_t _timer_thread_stack[RT_TIMER_THREAD_STACK_SIZE];
 #endif /* RT_USING_TIMER_SOFT */
@@ -93,6 +94,9 @@ void rt_timer_exit_sethook(void (*hook)(struct rt_timer *timer))
 
 rt_inline struct rt_spinlock* _timerlock_idx(struct rt_timer *timer)
 {
+#ifdef RT_USING_TIMER_ALL_SOFT
+    return &_stimer_lock;
+#else
 #ifdef RT_USING_TIMER_SOFT
     if (timer->parent.flag & RT_TIMER_FLAG_SOFT_TIMER)
     {
@@ -103,6 +107,7 @@ rt_inline struct rt_spinlock* _timerlock_idx(struct rt_timer *timer)
     {
         return &_htimer_lock;
     }
+#endif
 }
 
 /**
@@ -130,6 +135,10 @@ static void _timer_init(rt_timer_t timer,
 {
     int i;
 
+#ifdef RT_USING_TIMER_ALL_SOFT
+    flag               |= RT_TIMER_FLAG_SOFT_TIMER;
+#endif
+
     /* set flag */
     timer->parent.flag  = flag;
 
@@ -570,6 +579,10 @@ rt_err_t rt_timer_start(rt_timer_t timer)
     RT_ASSERT(timer != RT_NULL);
     RT_ASSERT(rt_object_get_type(&timer->parent) == RT_Object_Class_Timer);
 
+#ifdef RT_USING_TIMER_ALL_SOFT
+    timer_list = _soft_timer_list;
+    spinlock = &_stimer_lock;
+#else
 #ifdef RT_USING_TIMER_SOFT
     if (timer->parent.flag & RT_TIMER_FLAG_SOFT_TIMER)
     {
@@ -582,6 +595,7 @@ rt_err_t rt_timer_start(rt_timer_t timer)
         timer_list = _timer_list;
         spinlock = &_htimer_lock;
     }
+#endif
 
     if (timer->parent.flag & RT_TIMER_FLAG_THREAD_TIMER)
     {
@@ -598,13 +612,6 @@ rt_err_t rt_timer_start(rt_timer_t timer)
 
     err = _timer_start(timer_list, timer);
 
-#ifdef RT_USING_TIMER_SOFT
-    if (err == RT_EOK && (timer->parent.flag & RT_TIMER_FLAG_SOFT_TIMER))
-    {
-        rt_sem_release(&_soft_timer_sem);
-    }
-#endif /* RT_USING_TIMER_SOFT */
-
     rt_spin_unlock_irqrestore(spinlock, level);
 
     if (is_thread_timer)
@@ -747,6 +754,9 @@ RTM_EXPORT(rt_timer_control);
  */
 void rt_timer_check(void)
 {
+    rt_err_t ret = RT_ERROR;
+    rt_tick_t next_timeout;
+
     RT_ASSERT(rt_interrupt_get_nest() > 0);
 
 #ifdef RT_USING_SMP
@@ -756,7 +766,17 @@ void rt_timer_check(void)
         return;
     }
 #endif
+
+#ifdef RT_USING_TIMER_SOFT
+    ret = _timer_list_next_timeout(_soft_timer_list, &next_timeout);
+    if ((ret == RT_EOK) && (next_timeout <= rt_tick_get()))
+    {
+        rt_thread_resume(&_timer_thread);
+    }
+#endif
+#ifndef RT_USING_TIMER_ALL_SOFT
     _timer_check(_timer_list, &_htimer_lock);
+#endif
 }
 
 /**
@@ -767,13 +787,21 @@ void rt_timer_check(void)
 rt_tick_t rt_timer_next_timeout_tick(void)
 {
     rt_base_t level;
-    rt_tick_t next_timeout = RT_TICK_MAX;
+    rt_tick_t htimer_next_timeout = RT_TICK_MAX, stimer_next_timeout = RT_TICK_MAX;
 
+#ifndef RT_USING_TIMER_ALL_SOFT
     level = rt_spin_lock_irqsave(&_htimer_lock);
-    _timer_list_next_timeout(_timer_list, &next_timeout);
+    _timer_list_next_timeout(_timer_list, &htimer_next_timeout);
     rt_spin_unlock_irqrestore(&_htimer_lock, level);
+#endif
 
-    return next_timeout;
+#ifdef RT_USING_TIMER_SOFT
+    level = rt_spin_lock_irqsave(&_stimer_lock);
+    _timer_list_next_timeout(_soft_timer_list, &stimer_next_timeout);
+    rt_spin_unlock_irqrestore(&_stimer_lock, level);
+#endif
+
+    return htimer_next_timeout < stimer_next_timeout ? htimer_next_timeout : stimer_next_timeout;
 }
 
 #ifdef RT_USING_TIMER_SOFT
@@ -784,41 +812,15 @@ rt_tick_t rt_timer_next_timeout_tick(void)
  */
 static void _timer_thread_entry(void *parameter)
 {
-    rt_err_t ret = RT_ERROR;
-    rt_tick_t next_timeout;
-    rt_base_t level;
-
     RT_UNUSED(parameter);
 
-    rt_sem_control(&_soft_timer_sem, RT_IPC_CMD_SET_VLIMIT, (void*)1);
-
     while (1)
     {
-        /* get the next timeout tick */
-        level = rt_spin_lock_irqsave(&_stimer_lock);
-        ret = _timer_list_next_timeout(_soft_timer_list, &next_timeout);
-        rt_spin_unlock_irqrestore(&_stimer_lock, level);
-
-        if (ret != RT_EOK)
-        {
-            rt_sem_take(&_soft_timer_sem, RT_WAITING_FOREVER);
-        }
-        else
+        _timer_check(_soft_timer_list, &_stimer_lock); /* check software timer */
+        if (rt_thread_suspend(&_timer_thread) == RT_EOK)
         {
-            rt_tick_t current_tick;
-
-            /* get current tick */
-            current_tick = rt_tick_get();
-
-            if ((next_timeout - current_tick) < RT_TICK_MAX / 2)
-            {
-                /* get the delta timeout tick */
-                next_timeout = next_timeout - current_tick;
-                rt_sem_take(&_soft_timer_sem, next_timeout);
-            }
+            rt_schedule();
         }
-
-        _timer_check(_soft_timer_list, &_stimer_lock); /* check software timer */
     }
 }
 #endif /* RT_USING_TIMER_SOFT */
@@ -830,13 +832,16 @@ static void _timer_thread_entry(void *parameter)
  */
 void rt_system_timer_init(void)
 {
+#ifndef RT_USING_TIMER_ALL_SOFT
     rt_size_t i;
 
     for (i = 0; i < sizeof(_timer_list) / sizeof(_timer_list[0]); i++)
     {
         rt_list_init(_timer_list + i);
     }
+
     rt_spin_lock_init(&_htimer_lock);
+#endif
 }
 
 /**
@@ -856,7 +861,6 @@ void rt_system_timer_thread_init(void)
         rt_list_init(_soft_timer_list + i);
     }
     rt_spin_lock_init(&_stimer_lock);
-    rt_sem_init(&_soft_timer_sem, "stimer", 0, RT_IPC_FLAG_PRIO);
     /* start software timer thread */
     rt_thread_init(&_timer_thread,
                    "timer",