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cleanup kernel code

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git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1715 bbd45198-f89e-11dd-88c7-29a3b14d5316
This commit is contained in:
dzzxzz
2011-09-21 03:56:42 +00:00
parent fea7d02bfd
commit c0f80bdf9a
17 changed files with 1012 additions and 1009 deletions
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88
src/timer.c
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@@ -1,7 +1,7 @@
/*
* File : timer.c
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2006 - 2009, RT-Thread Development Team
* COPYRIGHT (C) 2006 - 2011, RT-Thread Development Team
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
@@ -33,9 +33,9 @@ static rt_list_t rt_soft_timer_list;
#endif
#ifdef RT_USING_HOOK
extern void (*rt_object_take_hook)(struct rt_object* object);
extern void (*rt_object_put_hook)(struct rt_object* object);
static void (*rt_timer_timeout_hook)(struct rt_timer* timer);
extern void (*rt_object_take_hook)(struct rt_object *object);
extern void (*rt_object_put_hook)(struct rt_object *object);
static void (*rt_timer_timeout_hook)(struct rt_timer *timer);
/**
* @addtogroup Hook
@@ -48,7 +48,7 @@ static void (*rt_timer_timeout_hook)(struct rt_timer* timer);
*
* @param hook the hook function
*/
void rt_timer_timeout_sethook(void (*hook)(struct rt_timer* timer))
void rt_timer_timeout_sethook(void (*hook)(struct rt_timer *timer))
{
rt_timer_timeout_hook = hook;
}
@@ -57,20 +57,20 @@ void rt_timer_timeout_sethook(void (*hook)(struct rt_timer* timer))
#endif
static void _rt_timer_init(rt_timer_t timer,
void (*timeout)(void* parameter), void* parameter,
void (*timeout)(void *parameter), void *parameter,
rt_tick_t time, rt_uint8_t flag)
{
/* set flag */
timer->parent.flag = flag;
timer->parent.flag = flag;
/* set deactivated */
timer->parent.flag &= ~RT_TIMER_FLAG_ACTIVATED;
timer->timeout_func = timeout;
timer->parameter = parameter;
timer->parameter = parameter;
timer->timeout_tick = 0;
timer->init_tick = time;
timer->timeout_tick = 0;
timer->init_tick = time;
/* initialize timer list */
rt_list_init(&(timer->list));
@@ -93,8 +93,8 @@ static void _rt_timer_init(rt_timer_t timer,
* @param flag the flag of timer
*/
void rt_timer_init(rt_timer_t timer,
const char* name,
void (*timeout)(void* parameter), void* parameter,
const char *name,
void (*timeout)(void *parameter), void *parameter,
rt_tick_t time, rt_uint8_t flag)
{
/* timer check */
@@ -146,12 +146,12 @@ rt_err_t rt_timer_detach(rt_timer_t timer)
*
* @return the created timer object
*/
rt_timer_t rt_timer_create(const char* name, void (*timeout)(void* parameter), void* parameter, rt_tick_t time, rt_uint8_t flag)
rt_timer_t rt_timer_create(const char *name, void (*timeout)(void *parameter), void *parameter, rt_tick_t time, rt_uint8_t flag)
{
struct rt_timer* timer;
struct rt_timer *timer;
/* allocate a object */
timer = (struct rt_timer*)rt_object_allocate(RT_Object_Class_Timer, name);
timer = (struct rt_timer *)rt_object_allocate(RT_Object_Class_Timer, name);
if (timer == RT_NULL)
{
return RT_NULL;
@@ -202,7 +202,7 @@ rt_err_t rt_timer_delete(rt_timer_t timer)
*/
rt_err_t rt_timer_start(rt_timer_t timer)
{
struct rt_timer* t;
struct rt_timer *t;
register rt_base_t level;
rt_list_t *n, *timer_list;
@@ -273,7 +273,7 @@ rt_err_t rt_timer_stop(rt_timer_t timer)
/* timer check */
RT_ASSERT(timer != RT_NULL);
if(!(timer->parent.flag & RT_TIMER_FLAG_ACTIVATED)) return -RT_ERROR;
if (!(timer->parent.flag & RT_TIMER_FLAG_ACTIVATED)) return -RT_ERROR;
RT_OBJECT_HOOK_CALL(rt_object_put_hook, (&(timer->parent)));
@@ -302,7 +302,7 @@ rt_err_t rt_timer_stop(rt_timer_t timer)
* @return RT_EOK
*
*/
rt_err_t rt_timer_control(rt_timer_t timer, rt_uint8_t cmd, void* arg)
rt_err_t rt_timer_control(rt_timer_t timer, rt_uint8_t cmd, void *arg)
{
/* timer check */
RT_ASSERT(timer != RT_NULL);
@@ -310,11 +310,11 @@ rt_err_t rt_timer_control(rt_timer_t timer, rt_uint8_t cmd, void* arg)
switch (cmd)
{
case RT_TIMER_CTRL_GET_TIME:
*(rt_tick_t*)arg = timer->init_tick;
*(rt_tick_t *)arg = timer->init_tick;
break;
case RT_TIMER_CTRL_SET_TIME:
timer->init_tick = *(rt_tick_t*)arg;
timer->init_tick = *(rt_tick_t *)arg;
break;
case RT_TIMER_CTRL_SET_ONESHOT:
@@ -336,7 +336,7 @@ rt_err_t rt_timer_control(rt_timer_t timer, rt_uint8_t cmd, void* arg)
* @note this function shall be invoked in operating system timer interrupt.
*/
#ifdef RT_USING_TIMER_SOFT
void rt_soft_timer_tick_increase (void);
void rt_soft_timer_tick_increase(void);
#endif
void rt_timer_check(void)
{
@@ -344,7 +344,7 @@ void rt_timer_check(void)
rt_tick_t current_tick;
register rt_base_t level;
RT_DEBUG_LOG(RT_DEBUG_TIMER,("timer check enter\n"));
RT_DEBUG_LOG(RT_DEBUG_TIMER, ("timer check enter\n"));
current_tick = rt_tick_get();
@@ -354,7 +354,7 @@ void rt_timer_check(void)
while (!rt_list_isempty(&rt_timer_list))
{
t = rt_list_entry(rt_timer_list.next, struct rt_timer, list);
/*
* It supposes that the new tick shall less than the half duration of tick max.
*/
@@ -371,7 +371,7 @@ void rt_timer_check(void)
/* re-get tick */
current_tick = rt_tick_get();
RT_DEBUG_LOG(RT_DEBUG_TIMER,("current tick: %d\n", current_tick));
RT_DEBUG_LOG(RT_DEBUG_TIMER, ("current tick: %d\n", current_tick));
if ((t->parent.flag & RT_TIMER_FLAG_PERIODIC) &&
(t->parent.flag & RT_TIMER_FLAG_ACTIVATED))
@@ -394,11 +394,10 @@ void rt_timer_check(void)
/* increase soft timer tick */
#ifdef RT_USING_TIMER_SOFT
rt_soft_timer_tick_increase ( );
rt_soft_timer_tick_increase();
#endif
RT_DEBUG_LOG(RT_DEBUG_TIMER,("timer check leave\n"));
RT_DEBUG_LOG(RT_DEBUG_TIMER, ("timer check leave\n"));
}
#ifdef RT_USING_TIMER_SOFT
@@ -409,9 +408,9 @@ static struct rt_semaphore timer_sem;
static rt_uint16_t timer_ex_cnt;
void rt_soft_timer_tick_increase (void)
void rt_soft_timer_tick_increase(void)
{
timer_ex_cnt++;
timer_ex_cnt ++;
if (timer_ex_cnt >= (RT_TICK_PER_SECOND / RT_TIMER_TICK_PER_SECOND))
{
timer_ex_cnt = 0;
@@ -424,20 +423,20 @@ void rt_soft_timer_tick_increase (void)
* corresponding timeout function will be invoked.
*
*/
void rt_soft_timer_check()
void rt_soft_timer_check(void)
{
rt_tick_t current_tick;
rt_list_t *n;
struct rt_timer *t;
RT_DEBUG_LOG(RT_DEBUG_TIMER,("software timer check enter\n"));
RT_DEBUG_LOG(RT_DEBUG_TIMER, ("software timer check enter\n"));
current_tick = rt_tick_get();
for (n = rt_soft_timer_list.next; n != &(rt_soft_timer_list); )
for (n = rt_soft_timer_list.next; n != &(rt_soft_timer_list);)
{
t = rt_list_entry(n, struct rt_timer, list);
/*
* It supposes that the new tick shall less than the half duration of tick max.
*/
@@ -457,7 +456,7 @@ void rt_soft_timer_check()
/* re-get tick */
current_tick = rt_tick_get();
RT_DEBUG_LOG(RT_DEBUG_TIMER,("current tick: %d\n", current_tick));
RT_DEBUG_LOG(RT_DEBUG_TIMER, ("current tick: %d\n", current_tick));
if ((t->parent.flag & RT_TIMER_FLAG_PERIODIC) &&
(t->parent.flag & RT_TIMER_FLAG_ACTIVATED))
@@ -475,25 +474,24 @@ void rt_soft_timer_check()
else break; /* not check anymore */
}
RT_DEBUG_LOG(RT_DEBUG_TIMER,("software timer check leave\n"));
RT_DEBUG_LOG(RT_DEBUG_TIMER, ("software timer check leave\n"));
}
/* system timer thread entry */
static void rt_thread_timer_entry(void* parameter)
static void rt_thread_timer_entry(void *parameter)
{
while (1)
{
/* take software timer semaphore */
rt_sem_take(&timer_sem,RT_WAITING_FOREVER);
rt_sem_take(&timer_sem, RT_WAITING_FOREVER);
/* lock scheduler */
/* lock scheduler */
rt_enter_critical();
/* check software timer */
/* check software timer */
rt_soft_timer_check();
/* unlock scheduler */
/* unlock scheduler */
rt_exit_critical();
}
}
@@ -505,13 +503,13 @@ static void rt_thread_timer_entry(void* parameter)
* This function will initialize system timer
*
*/
void rt_system_timer_init()
void rt_system_timer_init(void)
{
rt_list_init(&rt_timer_list);
#ifdef RT_USING_TIMER_SOFT
rt_list_init(&rt_soft_timer_list);
rt_sem_init(&timer_sem, "timer", 0, RT_IPC_FLAG_FIFO);
rt_sem_init(&timer_sem, "timer", 0, RT_IPC_FLAG_FIFO);
#endif
}
@@ -521,10 +519,10 @@ void rt_system_timer_init()
* This function will initialize system timer thread
*
*/
void rt_system_timer_thread_init()
void rt_system_timer_thread_init(void)
{
#ifdef RT_USING_TIMER_SOFT
/* start software timer thread */
/* start software timer thread */
rt_thread_init(&timer_thread,
"timer",
rt_thread_timer_entry, RT_NULL,