From a08d9637b608c2f94925e2d304080026b771e7fb Mon Sep 17 00:00:00 2001 From: "bernard.xiong" Date: Thu, 25 Mar 2010 14:35:50 +0000 Subject: [PATCH] add timer examples. git-svn-id: https://rt-thread.googlecode.com/svn/trunk@542 bbd45198-f89e-11dd-88c7-29a3b14d5316 --- examples/kernel/timer_dynamic.c | 91 +++++++++++++++++++ .../kernel/{timer_simple.c => timer_static.c} | 18 ++-- examples/kernel/timer_stop_self.c | 82 +++++++++++++++++ 3 files changed, 182 insertions(+), 9 deletions(-) create mode 100644 examples/kernel/timer_dynamic.c rename examples/kernel/{timer_simple.c => timer_static.c} (81%) create mode 100644 examples/kernel/timer_stop_self.c 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 +#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 diff --git a/examples/kernel/timer_simple.c b/examples/kernel/timer_static.c similarity index 81% rename from examples/kernel/timer_simple.c rename to examples/kernel/timer_static.c index 2063a88119..7ffaac35c6 100644 --- a/examples/kernel/timer_simple.c +++ b/examples/kernel/timer_static.c @@ -7,22 +7,22 @@ #include "tc_comm.h" /* 定时器的控制块 */ -struct rt_timer timer1; -struct rt_timer timer2; +static struct rt_timer timer1; +static struct rt_timer timer2; /* 定时器1超时函数 */ -void timeout1(void* parameter) +static void timeout1(void* parameter) { rt_kprintf("periodic timer is timeout\n"); } /* 定时器2超时函数 */ -void timeout2(void* parameter) +static void timeout2(void* parameter) { rt_kprintf("one shot timer is timeout\n"); } -void timer_simple_init() +void timer_static_init() { /* 初始化定时器 */ rt_timer_init(&timer1, "timer1", timeout1, RT_NULL, 10, RT_TIMER_FLAG_PERIODIC); @@ -50,24 +50,24 @@ static void _tc_cleanup() tc_done(TC_STAT_PASSED); } -int _tc_timer_simple() +int _tc_timer_static() { /* 设置TestCase清理回调函数 */ tc_cleanup(_tc_cleanup); /* 执行定时器例程 */ - timer_simple_init(); + timer_static_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_simple, a simple timer example); +FINSH_FUNCTION_EXPORT(_tc_timer_static, a simple timer example); #else /* 用户应用入口 */ int rt_application_init() { - timer_simple_init(); + timer_static_init(); return 0; } diff --git a/examples/kernel/timer_stop_self.c b/examples/kernel/timer_stop_self.c new file mode 100644 index 0000000000..67d43a15ed --- /dev/null +++ b/examples/kernel/timer_stop_self.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 + */ +#include +#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) + { + /* 停止定时器 */ + rt_timer_stop(timer1); + count = 0; + } +} + +void timer_stop_self_init() +{ + /* 创建定时器1 */ + timer1 = rt_timer_stop_self("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