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

examples/kernel/mbox_simple.c

@@ -0,0 +1,122 @@
+/*
+ * 程序清单：邮箱例程
+ *
+ * 这个程序会创建2个动态线程，一个静态的邮箱对象，其中一个线程往邮箱中发送邮件，
+ * 一个线程往邮箱中收取邮件。
+ */
+#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 struct rt_mailbox mb;
+static char mb_pool[128];
+static char mb_str1[] = "I'm a mail!";
+static char mb_str2[] = "this is another mail!";
+
+/* 线程1入口 */
+static void thread1_entry(void* parameter)
+{
+	unsigned char* str;
+
+	while (1)
+	{
+		rt_kprintf("thread1: try to recv a mail\n");
+		if (rt_mb_recv(&mb, (rt_uint32_t*)&str, RT_WAITING_FOREVER) == RT_EOK)
+		{
+			rt_kprintf("thread1: get a mail from mailbox, the content:%s\n", str);
+
+			rt_thread_delay(100);
+		}
+	}
+}
+
+/* 线程2入口 */
+static void thread2_entry(void* parameter)
+{
+	rt_uint8_t count;
+
+	count = 0;
+	while (1)
+	{
+		count ++;
+		if (count & 0x1)
+		{
+			rt_mb_send(&mb, (rt_uint32_t)&mb_str1[0]);
+		}
+		else
+		{
+			rt_mb_send(&mb, (rt_uint32_t)&mb_str2[0]);
+		}
+
+		rt_thread_delay(200);
+	}
+}
+
+int mbox_simple_init()
+{
+	/* 初始化一个mailbox */
+	rt_mb_init(&mb, "mbt", &mb_pool[0], 128 / 4, 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);
+
+	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);
+
+	/* 调度器解锁 */
+	rt_exit_critical();
+
+	/* 设置TestCase状态 */
+	tc_done(TC_STAT_PASSED);
+}
+
+int _tc_mbox_simple()
+{
+	/* 设置TestCase清理回调函数 */
+	tc_cleanup(_tc_cleanup);
+	mbox_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_mbox_simple, a simple mailbox example);
+#else
+/* 用户应用入口 */
+int rt_application_init()
+{
+	mbox_simple_init();
+
+	return 0;
+}
+#endif