Imagelibrary/rt-thread
1
0
Fork 0
mirror of https://github.com/RT-Thread/rt-thread.git synced 2025-12-28 10:00:24 +00:00
Code Issues Packages Projects Releases Wiki Activity

简化操作接口

Browse Source
This commit is contained in:
heyuanjie87
2015-09-06 15:05:47 +08:00
parent 47b3a4d3cc
commit d19f424909
4 changed files with 82 additions and 144 deletions
Download Patch File Download Diff File Expand all files Collapse all files

24
examples/test/hwtimer_test.c
View File

@@ -13,15 +13,15 @@ static rt_err_t timer_timeout_cb(rt_device_t dev, rt_size_t size)
return 0;
}
int hwtimer(int freq, int t)
int hwtimer(void)
{
rt_err_t err;
rt_hwtimerval_t val;
rt_device_t dev = RT_NULL;
rt_tick_t tick;
rt_hwtimer_mode_t mode;
t = (t <= 0)? 5 : t;
int freq = 10000;
int t = 5;
if ((dev = rt_device_find(TIMER)) == RT_NULL)
{
@@ -32,7 +32,7 @@ int hwtimer(int freq, int t)
if (rt_device_open(dev, RT_DEVICE_OFLAG_RDWR) != RT_EOK)
{
rt_kprintf("Open %s Fail\n", TIMER);
return -1;
return -1;
}
rt_device_set_rx_indicate(dev, timer_timeout_cb);
@@ -44,7 +44,13 @@ int hwtimer(int freq, int t)
goto EXIT;
}
/* <20><><EFBFBD>ö<EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱֵ */
/* <20><><EFBFBD><EFBFBD>ģʽ */
mode = HWTIMER_MODE_PERIOD;
err = rt_device_control(dev, HWTIMER_CTRL_MODE_SET, &mode);
tick = rt_tick_get();
rt_kprintf("Start Timer> Tick: %d\n", tick);
/* <20><><EFBFBD>ö<EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD>ʱֵ<CAB1><D6B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1> */
val.sec = t;
val.usec = 0;
rt_kprintf("SetTime: Sec %d, Usec %d\n", val.sec, val.usec);
@@ -53,14 +59,6 @@ int hwtimer(int freq, int t)
rt_kprintf("SetTime Fail\n");
goto EXIT;
}
/* <20><><EFBFBD><EFBFBD>ģʽ */
mode = HWTIMER_MODE_PERIOD;
err = rt_device_control(dev, HWTIMER_CTRL_MODE_SET, &mode);
/* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1> */
tick = rt_tick_get();
err = rt_device_control(dev, HWTIMER_CTRL_START, RT_NULL);
rt_kprintf("Start Timer> Tick: %d\n", tick);
rt_kprintf("Sleep %d sec\n", t);
rt_thread_delay(t*RT_TICK_PER_SECOND);