buzzer.h

来自「Fujitsu MB89P475的应用实例」· C头文件 代码 · 共 38 行

H
38
字号
#define		BuzzerPin	 P30



void Buzzer_OffProgram(void);
void Buzzer_OnProgram(void);
void Buzzer()
{
	WDTC.byte=0x05;
	if (BuzzerWorkNumber)
		{
			if (BuzzerOn_OffFlag)
				{Buzzer_OffProgram();}
			else if (BuzzerOffTimerFlag)
				{Buzzer_OnProgram();}		
		}
	else 
		{Buzzer_OffProgram();}	
}
void Buzzer_OnProgram()
{
	BZCR.byte=0x02;
	BuzzerOnTimerFlag=false;
	BuzzerOn_OffFlag=true;
	BuzzerOnTimerCounter=empty;
	BuzzerWorkNumber--;
}
void Buzzer_OffProgram()
{
	if (BuzzerOnTimerFlag)
		{
			BZCR.byte=0x00;
			BuzzerOffTimerFlag=false;
			BuzzerOn_OffFlag=false;
			BuzzerOffTimerCounter=empty;
		}
}

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