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unsigned int Aver_Voltage(unsigned int Curr_Volt){static unsigned int Arr_Voltage[ADC_BUFF_SIZE];//定义滤波数组static unsigned char s_cBufferCounter=0;//定义元素指针并赋初值unsigned int s_dTotal=0;//总数，平均电压unsigned char n;Arr_Voltage[s_cBufferCounter]=Curr_Volt;//将A/D采样值加入到数组中for(n=0;n>ADC_BUFF_SIZE_BIT_COUNT;//用移位的方式做除法，计算平均值s_cBufferCounter++;if(s_cBufferCounter==ADC_BUFF_SIZE)s_cBufferCounter=0;return Aver_Volt;}void main(){uint ada,i,ad[4];while(1){//ada=mega16_ad();Aver_Voltage(mega16_ad());for(i=0;i<4;i++){ad[3-i]=Aver_Volt%10;Aver_Volt=Aver_Volt/10;}for(i=0;i<4;i++){show(ad[i],i);delay(2);}} }

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关键词： 滑动窗口均值滤波avr单片机AD转