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Merge pull request #4078 from zhangsz0516/zhangsz_1123 

[components][PM][Update]优化PM电源模式选择问题
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Bernard Xiong 2020-11-24 23:28:34 +08:00 committed by GitHub
parent 93959e3298 945053a833
commit 1d79a2ea82
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 8 additions and 4 deletions
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12
components/drivers/pm/pm.c
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@ -8,6 +8,7 @@
* 2012-06-02 Bernard the first version
* 2018-08-02 Tanek split run and sleep modes, support custom mode
* 2019-04-28 Zero-Free improve PM mode and device ops interface
* 2020-11-23 zhangsz update pm mode select
*/
#include <rthw.h>
@ -214,8 +215,6 @@ static void _pm_change_sleep_mode(struct rt_pm *pm, rt_uint8_t mode)
*/
void rt_system_power_manager(void)
{
rt_uint8_t mode;
if (_pm_init_flag == 0)
return;
@ -223,8 +222,7 @@ void rt_system_power_manager(void)
_pm_frequency_scaling(&_pm);
/* Low Power Mode Processing */
mode = _pm_select_sleep_mode(&_pm);
_pm_change_sleep_mode(&_pm, mode);
_pm_change_sleep_mode(&_pm, _pm.sleep_mode);
}
/**
@ -248,6 +246,7 @@ void rt_pm_request(rt_uint8_t mode)
pm = &_pm;
if (pm->modes[mode] < 255)
pm->modes[mode] ++;
_pm_select_sleep_mode(pm);
rt_hw_interrupt_enable(level);
}
@ -273,6 +272,7 @@ void rt_pm_release(rt_uint8_t mode)
pm = &_pm;
if (pm->modes[mode] > 0)
pm->modes[mode] --;
_pm_select_sleep_mode(pm);
rt_hw_interrupt_enable(level);
}
@ -516,6 +516,10 @@ void rt_system_pm_init(const struct rt_pm_ops *ops,
pm->device_pm = RT_NULL;
pm->device_pm_number = 0;
#if IDLE_THREAD_STACK_SIZE <= 256
#error "[pm.c ERR] IDLE Stack Size Too Small!"
#endif
_pm_init_flag = 1;
}