os_timer 最小定时周期只能到10ms
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低于10就完全不工作了, 这个行为符合预期?
os_timer_start(&timA, 10,1);/*********************************************************************
- @fn osal_timer_start
 - @brief Start a timer.
 - 
????Timer. - @param ptimer - pointer to the timer buffer.
 - 
ms - expire of the timer with milliseconds. rang:[0 , ((1<<22)-1)*10] - 
repeat_flag - repeat or one shot timer - @return  None.
*/
void os_timer_start(os_timer_t *ptimer,uint32_t ms, bool repeat_flag); 
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@microyea 是的,周期最小只能到10ms