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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/messageq_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/messageq_simple.c')
-rw-r--r--examples/kernel/messageq_simple.c148
1 files changed, 148 insertions, 0 deletions
diff --git a/examples/kernel/messageq_simple.c b/examples/kernel/messageq_simple.c
new file mode 100644
index 0000000000..1e2298936a
--- /dev/null
+++ b/examples/kernel/messageq_simple.c
@@ -0,0 +1,148 @@
+/*
+ * 程序清单:动态线程
+ *
+ * 这个程序会初始化2个动态线程,它们拥有共同的入口函数,但参数不相同
+ */
+#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;
+
+static struct rt_messagequeue mq;
+static char msg_pool[2048];
+
+static void thread1_entry(void* parameter)
+{
+ char buf[128];
+
+ while (1)
+ {
+ rt_memset(&buf[0], 0, sizeof(buf));
+
+ if (rt_mq_recv(&mq, &buf[0], sizeof(buf), RT_WAITING_FOREVER) == RT_EOK)
+ {
+ rt_kprintf("thread1: recv msg from message queue, the content:%s\n", buf);
+ }
+
+ rt_thread_delay(100);
+ }
+}
+
+static void thread2_entry(void* parameter)
+{
+ int i, result;
+ char buf[] = "this is message No.x";
+
+ while (1)
+ {
+ for (i = 0; i < 10; i++)
+ {
+ buf[sizeof(buf) - 2] = '0' + i;
+
+ rt_kprintf("thread2: send message - %s\n", buf);
+ result = rt_mq_send(&mq, &buf[0], sizeof(buf));
+ if ( result == -RT_EFULL);
+ {
+ rt_kprintf("message queue full, delay 10s\n");
+ rt_thread_delay(1000);
+ }
+ }
+
+ rt_thread_delay(100);
+ }
+}
+
+static void thread3_entry(void* parameter)
+{
+ char buf[] = "this is an urgent message!";
+
+ while (1)
+ {
+ rt_kprintf("thread3: send an urgent message\n");
+ rt_mq_urgent(&mq, &buf[0], sizeof(buf));
+
+ rt_thread_delay(250);
+ }
+}
+
+int messageq_simple_init()
+{
+ rt_mq_init(&mq, "mqt", &msg_pool[0], 128 - sizeof(void*), sizeof(msg_pool), 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thread2_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);
+
+ /* 执行消息队列脱离 */
+ rt_mq_detach(&mq);
+
+ /* 调度器解锁 */
+ rt_exit_critical();
+
+ /* 设置TestCase状态 */
+ tc_done(TC_STAT_PASSED);
+}
+
+int _tc_messageq_simple()
+{
+ /* 设置TestCase清理回调函数 */
+ tc_cleanup(_tc_cleanup);
+ messageq_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_messageq_simple, a simple message queue example);
+#else
+/* 用户应用入口 */
+int rt_application_init()
+{
+ messageq_simple_init();
+
+ return 0;
+}
+#endif