diff options
| author | bernard.xiong <[email protected]> | 2010-03-25 14:35:50 +0000 |
|---|---|---|
| committer | bernard.xiong <[email protected]> | 2010-03-25 14:35:50 +0000 |
| commit | a08d9637b608c2f94925e2d304080026b771e7fb (patch) | |
| tree | 687568bff912ed6db9a8886c7475f85b87b4257e /examples/kernel/timer_dynamic.c | |
| parent | ed3de73b654e8d4c5904e257d2d48837bfb6c9c1 (diff) | |
add timer examples.
git-svn-id: https://rt-thread.googlecode.com/svn/trunk@542 bbd45198-f89e-11dd-88c7-29a3b14d5316
Diffstat (limited to 'examples/kernel/timer_dynamic.c')
| -rw-r--r-- | examples/kernel/timer_dynamic.c | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/examples/kernel/timer_dynamic.c b/examples/kernel/timer_dynamic.c new file mode 100644 index 0000000000..a4f5ed947f --- /dev/null +++ b/examples/kernel/timer_dynamic.c @@ -0,0 +1,91 @@ +/*
+ * 程序清单：动态定时器例程
+ *
+ * 这个例程会创建两个动态定时器对象，一个是单次定时，一个是周期性的定时
+ */
+#include <rtthread.h>
+#include "tc_comm.h"
+
+/* 定时器的控制块 */
+static rt_timer_t timer1;
+static rt_timer_t timer2;
+
+/* 定时器1超时函数 */
+void timeout1(void* parameter)
+{
+ rt_kprintf("periodic timer is timeout\n");
+}
+
+/* 定时器2超时函数 */
+void timeout2(void* parameter)
+{
+ rt_kprintf("one shot timer is timeout\n");
+}
+
+void timer_create_init()
+{
+ /* 创建定时器1 */
+ timer1 = rt_timer_create("timer1", /* 定时器名字是 timer1 */
+ timeout1, /* 超时时回调的处理函数 */
+ RT_NULL, /* 超时函数的入口参数 */
+ 10, /* 定时长度，以OS Tick为单位，即10个OS Tick */
+ RT_TIMER_FLAG_PERIODIC); /* 周期性定时器 */
+ /* 启动定时器 */
+ if (timer1 != RT_NULL)
+ rt_timer_start(timer1);
+ else
+ tc_stat(TC_STAT_END | TC_STAT_FAILED);
+
+ /* 创建定时器2 */
+ timer2 = rt_timer_create("timer2", /* 定时器名字是 timer2 */
+ timeout2, /* 超时时回调的处理函数 */
+ RT_NULL, /* 超时函数的入口参数 */
+ 30, /* 定时长度为30个OS Tick */
+ RT_TIMER_FLAG_ONE_SHOT); /* 单次定时器 */
+
+ /* 启动定时器 */
+ if (timer2 != RT_NULL)
+ rt_timer_start(timer2);
+ else
+ tc_stat(TC_STAT_END | TC_STAT_FAILED);
+}
+
+#ifdef RT_USING_TC
+static void _tc_cleanup()
+{
+ /* 调度器上锁，上锁后，将不再切换到其他线程，仅响应中断 */
+ rt_enter_critical();
+
+ /* 删除定时器对象 */
+ rt_timer_delete(timer1);
+ rt_timer_delete(timer2);
+
+ /* 调度器解锁 */
+ rt_exit_critical();
+
+ /* 设置TestCase状态 */
+ tc_done(TC_STAT_PASSED);
+}
+
+int _tc_timer_create()
+{
+ /* 设置TestCase清理回调函数 */
+ tc_cleanup(_tc_cleanup);
+
+ /* 执行定时器例程 */
+ timer_create_init();
+
+ /* 返回TestCase运行的最长时间 */
+ return 100;
+}
+/* 输出函数命令到finsh shell中 */
+FINSH_FUNCTION_EXPORT(_tc_timer_create, a dynamic timer example);
+#else
+/* 用户应用入口 */
+int rt_application_init()
+{
+ timer_create_init();
+
+ return 0;
+}
+#endif
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