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stml4 pmtimer停止的疑问 #9

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haov000 opened this issue Sep 19, 2019 · 0 comments
Open

stml4 pmtimer停止的疑问 #9

haov000 opened this issue Sep 19, 2019 · 0 comments

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@haov000
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haov000 commented Sep 19, 2019

在潘朵拉低功耗文件drv_pmtimer.c中，停止pmtimer的时候使用的函数为`void stm32l4_lptim_stop(void)
{
rt_uint32_t _ier;

_ier = LptimHandle.Instance->IER;
LptimHandle.Instance->ICR = LptimHandle.Instance->ISR & _ier;

}看函数的意思只是清除了一些中断标志，并没有真正停止timer计数啊，函数本意是想停止timer，不知道为什么不直接调用HAL_StatusTypeDef HAL_LPTIM_TimeOut_Stop_IT(LPTIM_HandleTypeDef *hlptim)`
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@haov000