if(point_count<40)
{
ired_point[point_count] = DS_1;
point_count++;
}
/*进行PPG信号峰值点的寻找*/
if(point_count == 40)
{
ired_point[0] = ired_point[1];
ired_point[1] = ired_point[2];
ired_point[2] = ired_point[3];
ired_point[3] = ired_point[4];
ired_point[4] = ired_point[5];
ired_point[5] = ired_point[6];
ired_point[6] = ired_point[7];
ired_point[7] = ired_point[8];
ired_point[8] = ired_point[9];
ired_point[9] = ired_point[10];
ired_point[10] = ired_point[11];
ired_point[11] = ired_point[12];
ired_point[12] = ired_point[13];
ired_point[13] = ired_point[14];
ired_point[14] = ired_point[15];
ired_point[15] = ired_point[16];
ired_point[16] = ired_point[17];
ired_point[17] = ired_point[18];
ired_point[18] = ired_point[19];
ired_point[19] = ired_point[20];
ired_point[20] = ired_point[21];
ired_point[21] = ired_point[22];
ired_point[22] = ired_point[23];
ired_point[23] = ired_point[24];
ired_point[24] = ired_point[25];
ired_point[25] = ired_point[26];
ired_point[26] = ired_point[27];
ired_point[27] = ired_point[28];
ired_point[28] = ired_point[29];
ired_point[29] = ired_point[30];
ired_point[30] = ired_point[31];
ired_point[31] = ired_point[32];
ired_point[32] = ired_point[33];
ired_point[33] = ired_point[34];
ired_point[34] = ired_point[35];
ired_point[35] = ired_point[36];
ired_point[36] = ired_point[37];
ired_point[37] = ired_point[38];
ired_point[38] = ired_point[39];
ired_point[point_count-1] = DS_1;	
}
if(ired_point[0]<ired_point[20]&ired_point[1]<ired_point[20]&ired_point[2]<ired_point[20]
&ired_point[3]<ired_point[20]&ired_point[4]<ired_point[20]&ired_point[5]<ired_point[20]
&ired_point[6]<ired_point[20]&ired_point[7]<ired_point[20]&ired_point[8]<ired_point[20]
&ired_point[9]<ired_point[20]&ired_point[10]<ired_point[20]&ired_point[11]<ired_point[20]
&ired_point[12]<ired_point[20]&ired_point[13]<ired_point[20]&ired_point[14]<ired_point[20]
&ired_point[15]<ired_point[20]&ired_point[16]<ired_point[20]&ired_point[17]<ired_point[20]
&ired_point[18]<ired_point[20]&ired_point[19]<ired_point[20]&ired_point[39]<ired_point[20]
&ired_point[21]<ired_point[20]&ired_point[22]<ired_point[20]&ired_point[23]<ired_point[20]
&ired_point[24]<ired_point[20]&ired_point[25]<ired_point[20]&ired_point[26]<ired_point[20]
&ired_point[27]<ired_point[20]&ired_point[28]<ired_point[20]&ired_point[29]<ired_point[20]
&ired_point[30]<ired_point[20]&ired_point[31]<ired_point[20]&ired_point[32]<ired_point[20]
&ired_point[33]<ired_point[20]&ired_point[34]<ired_point[20]&ired_point[35]<ired_point[20]
&ired_point[36]<ired_point[20]&ired_point[37]<ired_point[20]&ired_point[38]<ired_point[20])	
{
	ACDC_count_old = ACDC_count;
	ACDC_count = acdc_count;
	acdc_count = 0;
   /*对计算的脉率的正确性进行判断*/
	if((ACDC_count_old-ACDC_count)>60 || (ACDC_count-ACDC_count_old)>60) 
	{
		OLED_OFF_count++;
	}
	else if(ACDC_count<260&&ACDC_count>120)
		{
			ACDC_Ready_flag++;
		}
}