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authorbernard.xiong <[email protected]>2010-03-22 09:17:38 +0000
committerbernard.xiong <[email protected]>2010-03-22 09:17:38 +0000
commit8d19f32ac25997d0045f5abfc2d7ff7ca9bd26ed (patch)
treeb038b1f5e9d7f4af06e98694f01494ef2a6a142a /examples/kernel/event_simple.c
parent000bba8cb1090968dd48cb05589d16c8ac697293 (diff)
add event, mailbox, message queue and timer simple examples.
git-svn-id: https://rt-thread.googlecode.com/svn/trunk@524 bbd45198-f89e-11dd-88c7-29a3b14d5316
Diffstat (limited to 'examples/kernel/event_simple.c')
-rw-r--r--examples/kernel/event_simple.c144
1 files changed, 144 insertions, 0 deletions
diff --git a/examples/kernel/event_simple.c b/examples/kernel/event_simple.c
new file mode 100644
index 0000000000..c98d99a2ab
--- /dev/null
+++ b/examples/kernel/event_simple.c
@@ -0,0 +1,144 @@
+/*
+ * 程序清单:事件例程
+ *
+ * 这个程序会创建3个动态线程及初始化一个静态事件对象
+ * 一个线程等于事件对象上以接收事件;
+ * 一个线程定时发送事件 (事件3)
+ * 一个线程定时发送事件 (事件5)
+ */
+#include <rtthread.h>
+#include "tc_comm.h"
+
+/* 指向线程控制块的指针 */
+static rt_thread_t tid1 = RT_NULL;
+static rt_thread_t tid2 = RT_NULL;
+static rt_thread_t tid3 = RT_NULL;
+
+struct rt_event event;
+
+void thread1_entry(void *param)
+{
+ rt_uint32_t e;
+
+ while (1)
+ {
+ /* receive first event */
+ if (rt_event_recv(&event, ((1 << 3) | (1 << 5)),
+ RT_EVENT_FLAG_AND | RT_EVENT_FLAG_CLEAR,
+ RT_WAITING_FOREVER, &e) == RT_EOK)
+ {
+ rt_kprintf("thread1: AND recv event 0x%x\n", e);
+ }
+
+ rt_kprintf("thread1: delay 1s to prepare second event\n");
+ rt_thread_delay(100);
+
+ /* receive second event */
+ if (rt_event_recv(&event, ((1 << 3) | (1 << 5)),
+ RT_EVENT_FLAG_OR | RT_EVENT_FLAG_CLEAR,
+ RT_WAITING_FOREVER, &e) == RT_EOK)
+ {
+ rt_kprintf("thread1: OR recv event 0x%x\n", e);
+ }
+
+ rt_thread_delay(50);
+ }
+}
+
+void thread2_entry(void *param)
+{
+ while (1)
+ {
+ rt_kprintf("thread2: send event1\n");
+ rt_event_send(&event, (1 << 3));
+
+ rt_thread_delay(100);
+ }
+}
+
+void thread3_entry(void *param)
+{
+ while (1)
+ {
+ rt_kprintf("thread3: send event2\n");
+ rt_event_send(&event, (1 << 5));
+
+ rt_thread_delay(200);
+ }
+}
+
+int event_simple_init()
+{
+ rt_event_init(&event, "event", RT_IPC_FLAG_FIFO);
+
+ /* 创建线程1 */
+ tid1 = rt_thread_create("t1",
+ thread1_entry, RT_NULL, /* 线程入口是thread1_entry, 入口参数是RT_NULL */
+ THREAD_STACK_SIZE, THREAD_PRIORITY, THREAD_TIMESLICE);
+ if (tid1 != RT_NULL)
+ rt_thread_startup(tid1);
+ else
+ tc_stat(TC_STAT_END | TC_STAT_FAILED);
+
+ /* 创建线程2 */
+ tid2 = rt_thread_create("t2",
+ thread2_entry, RT_NULL, /* 线程入口是thread2_entry, 入口参数是RT_NULL */
+ THREAD_STACK_SIZE, THREAD_PRIORITY, THREAD_TIMESLICE);
+ if (tid2 != RT_NULL)
+ rt_thread_startup(tid2);
+ else
+ tc_stat(TC_STAT_END | TC_STAT_FAILED);
+
+ /* 创建线程3 */
+ tid3 = rt_thread_create("t3",
+ thread3_entry, RT_NULL, /* 线程入口是thread3_entry, 入口参数是RT_NULL */
+ THREAD_STACK_SIZE, THREAD_PRIORITY, THREAD_TIMESLICE);
+ if (tid3 != RT_NULL)
+ rt_thread_startup(tid3);
+ else
+ tc_stat(TC_STAT_END | TC_STAT_FAILED);
+
+ return 0;
+}
+
+#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();
+
+ /* 删除线程 */
+ if (tid1 != RT_NULL && tid1->stat != RT_THREAD_CLOSE)
+ rt_thread_delete(tid1);
+ if (tid2 != RT_NULL && tid2->stat != RT_THREAD_CLOSE)
+ rt_thread_delete(tid2);
+ if (tid3 != RT_NULL && tid3->stat != RT_THREAD_CLOSE)
+ rt_thread_delete(tid3);
+
+ /* 调度器解锁 */
+ rt_exit_critical();
+
+ /* 设置TestCase状态 */
+ tc_done(TC_STAT_PASSED);
+}
+
+int _tc_event_simple()
+{
+ /* 设置TestCase清理回调函数 */
+ tc_cleanup(_tc_cleanup);
+ event_simple_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_event_simple, a simple event example);
+#else
+/* 用户应用入口 */
+int rt_application_init()
+{
+ event_simple_init();
+
+ return 0;
+}
+#endif