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蜂鸣器哔红尘情歌

天悦哥 2022-04-13 阅读 43
STM32c语言

红尘情歌

void beep_frq(u16 frq){    
	u32 time;    
	if(frq != 1000){        
		time = 500000/((u32)frq);        
		BEEP_ON;        
		delay_us(time);        
		BEEP_OFF;        
		delay_us(time);    
	}else{        
		delay_us(1000);
	}
}
void beep_sing (void){    
	  
	uc16 tone[] = {247,262,294,330,349,392,440,294,523,587,659,698,784,1000};
	u8 music[]={
		5,5,6,8,7,6,5,6,13,13,//音调               
		5,5,6,8,7,6,5,3,13,13,               
		2,2,3,5,3,5,6,3,2 ,1 ,               
		6,6,5,6,5,3,6,5,13,13,               
		5,5,6,8,7,6,5,6,13,13,             
		5,5,6,8,7,6,5,3,13,13,             
		2,2,3,5,3,5,6,3,2 ,1 ,           
		6,6,5,6,5,3,6,1,                  
		13,8,9,10,10,9,8,10,9,8,6,         
		13,6,8,9,9,8,6,9,8,6,5,             
		13,2,3,5,5,3,5,5,6,8,7,6,              
		6,10,9,9,8,6,5,6,8
	};        
	u8 time[] = {
		2,4,2,2,2,2,2,8,4,4, //时间   
		2,4,2,2,2,2,2,8,4,4,               
		2,4,2,4,2,2,4,2,2,8,              
		2,4,2,2,2,2,2,8,4,4,              
		2,4,2,2,2,2,2,8,4,4,                
		2,4,2,2,2,2,2,8,4,4,                
		2,4,2,4,2,2,4,2,2,8,               
		2,4,2,2,2,2,2,8,               
		4,2,2,2,4,2,2,2,2,2,8,          
		4,2,2,2,4,2,2,2,2,2,8,             
		4,2,2,2,4,2,2,5,2,6,2,4,           
		2,2,2,4,2,4,2,2,12
	};       
	u32 delay;    
	u16 i,j;    
	delay = 10;    
	for(i=0;i<sizeof(music)/sizeof(music[0]);i++){        
		for(j=0;j<((u16)time[i])*tone[music[i]]/delay;j++){   
			beep_frq((u32)tone[music[i]]);        
		}       
	}
}
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