TC: format code, expand TABs

No functional changes.

1 files changed, 45 insertions, 45 deletions

diff --git a/examples/kernel/cpuusage.c b/examples/kernel/cpuusage.c
index 05c9b7a8c4..93cac1bb99 100644
--- a/examples/kernel/cpuusage.c
+++ b/examples/kernel/cpuusage.c
@@ -9,62 +9,62 @@ static rt_uint32_t total_count = 0;
 
 static void cpu_usage_idle_hook()
 {
-	rt_tick_t tick;
-	rt_uint32_t count;
-	volatile rt_uint32_t loop;
+    rt_tick_t tick;
+    rt_uint32_t count;
+    volatile rt_uint32_t loop;
 
-	if (total_count == 0)
-	{
-		/* get total count */
-		rt_enter_critical();
-		tick = rt_tick_get();
-		while(rt_tick_get() - tick < CPU_USAGE_CALC_TICK)
-		{
-			total_count ++;
-			loop = 0;
-			while (loop < CPU_USAGE_LOOP) loop ++;
-		}
-		rt_exit_critical();
-	}
+    if (total_count == 0)
+    {
+        /* get total count */
+        rt_enter_critical();
+        tick = rt_tick_get();
+        while(rt_tick_get() - tick < CPU_USAGE_CALC_TICK)
+        {
+            total_count ++;
+            loop = 0;
+            while (loop < CPU_USAGE_LOOP) loop ++;
+        }
+        rt_exit_critical();
+    }
 
-	count = 0;
-	/* get CPU usage */
-	tick = rt_tick_get();
-	while (rt_tick_get() - tick < CPU_USAGE_CALC_TICK)
-	{
-		count ++;
-		loop  = 0;
-		while (loop < CPU_USAGE_LOOP) loop ++;
-	}
+    count = 0;
+    /* get CPU usage */
+    tick = rt_tick_get();
+    while (rt_tick_get() - tick < CPU_USAGE_CALC_TICK)
+    {
+        count ++;
+        loop  = 0;
+        while (loop < CPU_USAGE_LOOP) loop ++;
+    }
 
-	/* calculate major and minor */
-	if (count < total_count)
-	{
-		count = total_count - count;
-		cpu_usage_major = (count * 100) / total_count;
-		cpu_usage_minor = ((count * 100) % total_count) * 100 / total_count;
-	}
-	else
-	{
-		total_count = count;
+    /* calculate major and minor */
+    if (count < total_count)
+    {
+        count = total_count - count;
+        cpu_usage_major = (count * 100) / total_count;
+        cpu_usage_minor = ((count * 100) % total_count) * 100 / total_count;
+    }
+    else
+    {
+        total_count = count;
 
-		/* no CPU usage */
-		cpu_usage_major = 0;
-		cpu_usage_minor = 0;
-	}
+        /* no CPU usage */
+        cpu_usage_major = 0;
+        cpu_usage_minor = 0;
+    }
 }
 
 void cpu_usage_get(rt_uint8_t *major, rt_uint8_t *minor)
 {
-	RT_ASSERT(major != RT_NULL);
-	RT_ASSERT(minor != RT_NULL);
+    RT_ASSERT(major != RT_NULL);
+    RT_ASSERT(minor != RT_NULL);
 
-	*major = cpu_usage_major;
-	*minor = cpu_usage_minor;
+    *major = cpu_usage_major;
+    *minor = cpu_usage_minor;
 }
 
 void cpu_usage_init()
 {
-	/* set idle thread hook */
-	rt_thread_idle_sethook(cpu_usage_idle_hook);
+    /* set idle thread hook */
+    rt_thread_idle_sethook(cpu_usage_idle_hook);
 }