diff options
| author | bernard.xiong <[email protected]> | 2010-03-25 15:16:34 +0000 |
|---|---|---|
| committer | bernard.xiong <[email protected]> | 2010-03-25 15:16:34 +0000 |
| commit | 474d3b805660b260739702089be2e99a26f6d12b (patch) | |
| tree | a760a0609fa552735807fe56a50a5940aa5ef9d3 /examples/kernel | |
| parent | a08d9637b608c2f94925e2d304080026b771e7fb (diff) | |
add timer_control example.
git-svn-id: https://rt-thread.googlecode.com/svn/trunk@543 bbd45198-f89e-11dd-88c7-29a3b14d5316
Diffstat (limited to 'examples/kernel')
| -rw-r--r-- | examples/kernel/timer_control.c | 82 | ||||
| -rw-r--r-- | examples/kernel/timer_static.c | 12 | ||||
| -rw-r--r-- | examples/kernel/timer_stop_self.c | 2 |
3 files changed, 93 insertions, 3 deletions
diff --git a/examples/kernel/timer_control.c b/examples/kernel/timer_control.c new file mode 100644 index 0000000000..7039000dfb --- /dev/null +++ b/examples/kernel/timer_control.c @@ -0,0 +1,82 @@ +/*
+ * 程序清单：动态定时器例程
+ *
+ * 这个例程会创建1个动态周期型定时器对象，然后控制它进行定时时间长度的更改。
+ */
+#include <rtthread.h>
+#include "tc_comm.h"
+
+/* 定时器的控制块 */
+static rt_timer_t timer1;
+static rt_uint8_t count;
+
+/* 定时器超时函数 */
+static void timeout1(void* parameter)
+{
+ rt_kprintf("periodic timer is timeout\n");
+
+ count ++;
+ /* 停止定时器自身 */
+ if (count >= 8)
+ {
+ /* 控制定时器然后更改超时时间长度 */
+ rt_timer_control(timer1, RT_TIMER_CTRL_SET_TIME, 50);
+ count = 0;
+ }
+}
+
+void timer_stop_self_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);
+}
+
+#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);
+ timer1 = RT_NULL;
+
+ /* 调度器解锁 */
+ rt_exit_critical();
+
+ /* 设置TestCase状态 */
+ tc_done(TC_STAT_PASSED);
+}
+
+int _tc_timer_stop_self()
+{
+ /* 设置TestCase清理回调函数 */
+ tc_cleanup(_tc_cleanup);
+
+ /* 执行定时器例程 */
+ count = 0;
+ timer_stop_self_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_stop_self, a dynamic timer example);
+#else
+/* 用户应用入口 */
+int rt_application_init()
+{
+ timer_stop_self_init();
+
+ return 0;
+}
+#endif
diff --git a/examples/kernel/timer_static.c b/examples/kernel/timer_static.c index 7ffaac35c6..9009bf62d9 100644 --- a/examples/kernel/timer_static.c +++ b/examples/kernel/timer_static.c @@ -25,8 +25,16 @@ static void timeout2(void* parameter) void timer_static_init() { /* 初始化定时器 */ - rt_timer_init(&timer1, "timer1", timeout1, RT_NULL, 10, RT_TIMER_FLAG_PERIODIC); - rt_timer_init(&timer2, "timer2", timeout2, RT_NULL, 30, RT_TIMER_FLAG_ONE_SHOT); + rt_timer_init(&timer1, "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 */ + rt_timer_init(&timer2, "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 */ rt_timer_start(&timer1); diff --git a/examples/kernel/timer_stop_self.c b/examples/kernel/timer_stop_self.c index 67d43a15ed..8a19637e52 100644 --- a/examples/kernel/timer_stop_self.c +++ b/examples/kernel/timer_stop_self.c @@ -28,7 +28,7 @@ static void timeout1(void* parameter) void timer_stop_self_init()
{
/* 创建定时器1 */
- timer1 = rt_timer_stop_self("timer1", /* 定时器名字是 timer1 */
+ 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 */
|