RTX5针对HAL库使用滴答定时器的处理方法

eric2013

1. /**
   
2.   * Override default HAL_GetTick function
   
3.   */
   
4. uint32_t HAL_GetTick (void) {
   
5.   static uint32_t ticks = 0U;
   
6.          uint32_t i;
   
7. 
   
8.   if (osKernelGetState () == osKernelRunning) {
   
9.     return ((uint32_t)osKernelGetTickCount ());
   
10.   }
    
11. 
    
12.   /* If Kernel is not running wait approximately 1 ms then increment
    
13.      and return auxiliary tick counter value */
    
14.   for (i = (SystemCoreClock >> 14U); i > 0U; i--) {
    
15.     __NOP(); __NOP(); __NOP(); __NOP(); __NOP(); __NOP();
    
16.     __NOP(); __NOP(); __NOP(); __NOP(); __NOP(); __NOP();
    
17.   }
    
18.   return ++ticks;
    
19. }

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