100 lines
		
	
	
		
			852 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			100 lines
		
	
	
		
			852 B
		
	
	
	
		
			C
		
	
	
	
	
	
| #include "base/delay.h"
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| #include "stdbool.h"
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| #include "rtthread.h"
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| 
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| 
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| typedef struct{
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|   rt_tick_t tick_start;
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| }self_def;
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| 
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| 
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| 
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| 
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| static self_def g_self;
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| 
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| void delay_wait_start(void)
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| {
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|   g_self.tick_start=rt_tick_get();
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| }
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| 
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| 
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| void delay_wait_untill_ms(uint32_t nms)
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| {
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|   rt_tick_t tick_end;
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|   rt_tick_t diff;
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|   if(g_self.tick_start==0){
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|     delay_wait_start();
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|   }
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|   while(1){
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|     tick_end=rt_tick_get();
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|     diff=tick_end-g_self.tick_start;
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|     if(diff>=nms){
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|       break;
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|     }
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|     rt_thread_mdelay(1);
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|   }
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|   g_self.tick_start=0;
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| }
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| 
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| 
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| //此函数已在别处实现
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| //void delay_us(uint32_t nus)
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| //{		
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| //}
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| 
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| void delay_ms(uint32_t nms)
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| {	
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| 		while(nms > 0)
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| 		{
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| 			nms--;
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| 			delay_us(1000);	//普通方式延时,此时ucos无法启动调度.
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| 		}
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| 		
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| }
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| void delay_nop(uint32_t nop)
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| {
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| 	while(nop > 0)
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| 	{
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| 		nop--;
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| 		__NOP();
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| 	}
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| }
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