diff options
Diffstat (limited to 'examples/test/hwtimer_test.c')
| -rw-r--r-- | examples/test/hwtimer_test.c | 24 |
1 files changed, 11 insertions, 13 deletions
diff --git a/examples/test/hwtimer_test.c b/examples/test/hwtimer_test.c index e90f5c4783..8f69c4ef87 100644 --- a/examples/test/hwtimer_test.c +++ b/examples/test/hwtimer_test.c @@ -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; } - /* ���ö�ʱ����ʱֵ */ + /* ����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); + /* ���ö�ʱ����ʱֵ��������ʱ�� */ 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; } - - /* ����ģʽ */ - mode = HWTIMER_MODE_PERIOD; - err = rt_device_control(dev, HWTIMER_CTRL_MODE_SET, &mode); - /* ������ʱ�� */ - 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); |