sample.h

使用C8051F实现脉搏及血氧饱和度测量 包括均值滤波

#define PREWAIT 4096
#define SAMPLESIZE 1024
extern unsigned int DataPos;
extern unsigned long DC_RED;
extern unsigned long DC_IRED;
extern unsigned char RED_MIN,RED_MAX;
extern unsigned char IRED_MIN,IRED_MAX;
extern xdata unsigned char SampleRed[SAMPLESIZE];
extern xdata unsigned char SampleIRed[SAMPLESIZE];
extern xdata unsigned char ProBuffer[SAMPLESIZE];

void Filter(unsigned char Data[SAMPLESIZE],unsigned char Min,unsigned char Max);
void Process(unsigned char OriData[SAMPLESIZE],unsigned char * Freq,unsigned char * Delta);
void itoa(unsigned int i,unsigned char *c);