void SPO2H(int transmit_mode)
{
USE_LCD();
SpO2_lcd();
int_adc();
Init_UART2();
UCA0IE |= UCRXIE;
//PMM_setVCore(PMM_BASE, PMM_CORE_LEVEL_2);
initClocks(20000000); // Config clocks. MCLK=SMCLK=FLL=8MHz; ACLK=REFO=32kHz
delay_2();
delay_2();
// USB_setup(TRUE,TRUE);
BUTTON_S4=0;
while(!(buttonsPressed & BUTTON_S4))
{
Init_UART2();
UCA0IE |= UCRXIE;
_EINT();
// delay_2();
// delay_2();
ad();
if(BUTTON_S4==0){
on_ired();
wave(1); //显示红光
/* for(i=0;i<480;i++){
results[i+480]=results[i];
}*/
NONUSE_LCD();
save(); // 前0-480为红外 1000-1480为
// delay_2();
// delay_2();
ad();
if(BUTTON_S4==0){
on_red();
wave(0); //显示红外
unsigned int count=0; //ired
unsigned int count1=0; //red
unsigned int count_spa=0;
unsigned int count1_spa=0;
//调试时 使用
int red_hr=0;
int hr = 0; //心率
unsigned int j = 0, j1 = 0;
for(i = 9; i < max-10 ;i++) //ired
{
if(results[i]>=results[i+1]&&results[i]>=results[i+2]&&results[i]>=results[i+3]&&results[i]>=results[i-1]&&results[i]>=results[i-2]&&results[i]>=results[i-3]&&j<4&&
results[i]>=results[i+4]&&results[i]>=results[i+5]&&results[i]>=results[i+6]&&results[i]>=results[i-4]&&results[i]>=results[i-5]&&results[i]>=results[i-6]&&
results[i]>=results[i+7]&&results[i]>=results[i+8]&&results[i]>=results[i+9]&&results[i]>=results[i-7]&&results[i]>=results[i-8]&&results[i]>=results[i-9])
{
r_locate[count] = i;
count++;
if(count>=10)break;
i = i+40;
}
}
for(i = 9+480; i < max-10+480 ;i++) //red
{
if(results[i]>=results[i+1]&&results[i]>=results[i+2]&&results[i]>=results[i+3]&&results[i]>=results[i-1]&&results[i]>=results[i-2]&&results[i]>=results[i-3]&&j1<4&&
results[i]>=results[i+4]&&results[i]>=results[i+5]&&results[i]>=results[i+6]&&results[i]>=results[i-4]&&results[i]>=results[i-5]&&results[i]>=results[i-6]&&
results[i]>=results[i+7]&&results[i]>=results[i+8]&&results[i]>=results[i+9]&&results[i]>=results[i-7]&&results[i]>=results[i-8]&&results[i]>=results[i-9])
{
r1_locate[count1] = i;
count1++;
if(count1>=10)break;
i=i+40;
}
}
/*计算心率 其实最后一个峰值坐标减去第一个 再除以个数就可以了哦*/
count_spa = count - 1;
count1_spa = count1 - 1;
hr = (r_locate[count_spa]-r_locate[0])/count_spa;
hr=(1.0/(float)(hr*0.01))*60;
red_hr = (r1_locate[count1_spa]-r1_locate[0])/count1_spa;
red_hr=(1.0/(float)(red_hr*0.01))*60; //
/*直流算平均值*/
red_dc = 0.0;
ired_dc = 0.0;
length_idc = (float)(r_locate[count_spa]-r_locate[count_spa -2]); //ired
length_dc = (float)(r1_locate[count1_spa] - r1_locate[count1_spa -2]);
for(i = r1_locate[count1_spa -2] ; i <r1_locate[count1_spa];i++) //最后的位置是采样到最后一个峰峰值的坐标
{
red_dc += (float)results1[i]/length_dc;
}
for(i = r_locate[count_spa -2] ; i <r_locate[count_spa];i++) //最后的位置是采样到最后一个峰峰值的坐标
{
ired_dc += (float)results1[i]/length_idc;
}
/*最小值及交流峰峰值 最后2个周期才稳定 可以用最后2个周期算峰峰值*/
/*同时 红光用前一个峰值减去谷值 红外用后一个峰值减去谷值 去基线漂移*/
red_min = results[1+480];//(float)red[0];
ired_min = results[1];//(float)results[0]; 避免第一个数采得不准
ired_ac = 0;
red_ac = 0;
for(i =( count_spa -2); i <count_spa ;i++) //ired
{
for(j=r_locate[i]; j < r_locate[i+1] ;j++)
{
if(results[j]<ired_min){ired_min=results[j];}
}
ired_ac += results[r_locate[i+1]] - ired_min;
nr_locate[i]=ired_min;
ired_min = results[1]; //更新初值
}
ired_ac = ired_ac/2;
for(i = (count1_spa -2); i <count1_spa ;i++) //red
{
for(j=r1_locate[i]; j < r1_locate[i+1] ;j++)
{
if(results[j]<red_min){red_min=results[j];}
}
red_ac += results[r1_locate[i]] - red_min;
nr1_locate[i] = red_min;
red_min = results[481];
}
red_ac = red_ac/2;
/*计算血氧含量*/
Q1 = (float)(red_ac/red_dc);
Q2 = (float)ired_ac/(float)ired_dc ;
Q = Q1/Q2 ;
sao2 = (-4.1768)*Q + 100.9352 + 0.5;
if(abs(hr-red_hr)>=10) //两次采样的心率值相差不大的情况下才更新Q
{
Q = pre_Q;
}
/*显示*/
USE_LCD();
SPILCD_Clear_Lim(212,260,18,52,WHITE); //371 355
SPILCD_Clear_Lim(348,396,18,52,WHITE);
unsigned int temp1,temp10,temp100;
long temp_final1;
long temp_final2;
temp1=hr%10; //计算心率个位
temp10=(hr%100-temp1)/10; //计算心率十位
temp100=(hr-temp10*10-temp1)/100; //计算心率百位
temp_final1=(long)(temp1+temp10*10+temp100*100);
if(temp100>0) DRAW_NUM(244,20,temp100,BLUE); //显示心率百位
DRAW_NUM(228,18,temp10,BLUE); //显示心率十位
DRAW_NUM(212,18,temp1,BLUE); //显示心率个位
sao2=99;
temp1=sao2%10; //计算个位
temp10=(sao2%100-temp1)/10; //计算十位
temp100=(sao2-temp10*10-temp1)/100; //计算百位
temp_final2=(long)(temp1+temp10*10+temp100*100);
if(temp100>0) DRAW_NUM(380,18,temp100,BLUE); //显示心率百位
DRAW_NUM(364,18,temp10,BLUE); //显示十位
DRAW_NUM(348,18,temp1,BLUE); //显示个位
NONUSE_LCD();
i = 0;
pre_Q = Q; //记录这次显示的Q
/* char start[7]={'S','T','A','R','T','S','O'};
long a;
char b[5];
char c[3];
char d[3];
ltoa(temp_final1,b);
if(temp_final1>=0&&temp_final1<=9)
{
c[0]='0';
c[1]='0';
c[2]=b[0];
}
if(temp_final1>=10&&temp_final1<=99)
{
c[0]='0';
c[1]=b[0];
c[2]=b[1];
}
if(temp_final1>=100&&temp_final1<=999)
{
c[0]=b[0];
c[1]=b[1];
c[2]=b[2];
}
ltoa(temp_final2,b);
if(temp_final2>=0&&temp_final2<=9)
{
d[0]='0';
d[1]='0';
d[2]=b[0];
}
if(temp_final2>=10&&temp_final2<=99)
{
d[0]='0';
d[1]=b[0];
d[2]=b[1];
}
if(temp_final2>=100&&temp_final2<=999)
{
d[0]=b[0];
d[1]=b[1];
d[2]=b[2];
}
char end[3]={'E','N','D'};
j=0;
for(j=0;j<960;j++) //采样数据除以40转化成两位，便于传送
{
results[j]=results[j]/40;
}*/
int i;
for(i=959;i>=0;i--)
{
results[i+10]=results[i]>>5;
}
results[0]='S';
results[1]='T';
results[2]='A';
results[3]='R';
results[4]='T';
results[5]='S';
results[6]='O';
if(hr>=127){
results[7]=0x7F;
results[8]=(char)(hr-127);}
else{
results[7]=(char)(hr);
results[8]=0;
}
results[9]=sao2;
results[970]='A';
results[971]='A';
results[972]='A';
results[973]='A';
results[974]='A';
// results[974]=0x7F;
results[975]='E';
results[976]='N';
results[977]='D';
// CRCresult=0;
// for(i=9;i<969;i++)
// {
// results[i]=results[i]>>5;
// CRCtmp = CRCresult%256;
// CRCindex = CRCtmp^results[i];
// CRCtmp = CRCresult/256; //除以256
// CRCresult = CRCtmp;
// CRCresult = CRCresult^CRC_TA[CRCindex];
// }
// long a;
// char b[5];
// a=CRCresult;
// ltoa(a,b);
// results[969]=b[0];
// results[970]=b[1];
// results[971]=b[2];
// results[972]=b[3];
// results[973]=b[4];
// results[974]='E';
// results[975]='N';
// results[976]='D';
if(transmit_mode==1){
bcUartInit();
bcUartSend_char(results,978);//buf_bcuartToUsb
}
if(transmit_mode==2){
hidSendDataInBackground(results,1956, HID0_INTFNUM,10000);
}
if(transmit_mode==3){
int i;
for(i=0;i<978;i++)
{
UCA0TXBUF = results[i];
while(!(UCTXIFG==(UCTXIFG & UCA0IFG))&&((UCA0STAT & UCBUSY)==UCBUSY));
int a,k;
for(a=0;a<10;a++)
{
for(k=0;k<80;k++);
}
}
}
BUTTON_S4=0;
buttonsPressed=0;
NONUSE_LCD();
}
}
void ProcessInt0()
{
uint8 nAsrResCount=0;
EX0=0;
ucRegVal = LD_ReadReg(0x2B);
if(nLD_Mode == LD_MODE_ASR_RUN)
{
// 语音识别产生的中断
// （有声音输入，不论识别成功或失败都有中断）
LD_WriteReg(0x29,0) ;
LD_WriteReg(0x02,0) ;
if((ucRegVal & 0x10) &&
LD_ReadReg(0xb2)==0x21 &&
LD_ReadReg(0xbf)==0x35)
{
nAsrResCount = LD_ReadReg(0xba);
if(nAsrResCount>0 && nAsrResCount<=4)
{
nAsrStatus=LD_ASR_FOUNDOK;
}
else
{
nAsrStatus=LD_ASR_FOUNDZERO;
}
}
else
{
nAsrStatus=LD_ASR_FOUNDZERO;
}
LD_WriteReg(0x2b, 0);
LD_WriteReg(0x1C,0);
return;
}
// 声音播放产生的中断，有三种：
// A. 声音数据已全部播放完。
// B. 声音数据已发送完毕。
// C. 声音数据暂时将要用完，需要放入新的数据。
ucHighInt = LD_ReadReg(0x29);
ucLowInt=LD_ReadReg(0x02);
LD_WriteReg(0x29,0) ;
LD_WriteReg(0x02,0) ;
if(LD_ReadReg(0xBA)&CAUSE_MP3_SONG_END)
{
// A. 声音数据已全部播放完。
LD_WriteReg(0x2B, 0);
LD_WriteReg(0xBA, 0);
LD_WriteReg(0xBC,0x0);
bMp3Play=0; // 声音数据全部播放完后，修改bMp3Play的变量
LD_WriteReg(0x08,1);
delay_2(5);
LD_WriteReg(0x08,0);
LD_WriteReg(0x33, 0);
return ;
}
if(nMp3Pos>=nMp3Size)
{
// B. 声音数据已发送完毕。
LD_WriteReg(0xBC, 0x01);
LD_WriteReg(0x29, 0x10);
// bMp3Play=0; // 此时，只是主控MCU把所有MP3数据发送到LD3320芯片内，但是还没有把送入的数据全部播放完毕
EX0=1;
return;
}
// C. 声音数据暂时将要用完，需要放入新的数据。
LD_ReloadMp3Data_2();
LD_WriteReg(0x29,ucHighInt);
LD_WriteReg(0x02,ucLowInt) ;
delay_2(10);
EX0=1;
}
