Diff: spo2_algorithm.h

Revision:

0:78a2573ad768

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/spo2_algorithm.h	Tue Aug 06 12:19:46 2019 +0000
@@ -0,0 +1,31 @@
+#ifndef SPO2_ALGORITHM_H_
+#define SPO2_ALGORITHM_H_
+
+#include "mbed.h"
+
+#define FS 25    //sampling frequency
+#define BUFFER_SIZE (FS * 4) 
+#define MA4_SIZE 4 // DONOT CHANGE
+#define HAMMING_SIZE  5
+#define min(x,y) ((x) < (y) ? (x) : (y)) //Defined in Arduino.h
+
+#define true 1
+#define false 0
+//#define FS 100
+//#define BUFFER_SIZE  (FS* 5) 
+#define HR_FIFO_SIZE 7
+#define MA4_SIZE  4 // DO NOT CHANGE
+#define HAMMING_SIZE  5// DO NOT CHANGE
+#define min(x,y) ((x) < (y) ? (x) : (y))
+
+
+class spo2_algorithm{
+
+void maxim_heart_rate_and_oxygen_saturation(uint32_t *pun_ir_buffer ,  int32_t n_ir_buffer_length, uint32_t *pun_red_buffer ,   int32_t *pn_spo2, int8_t *pch_spo2_valid ,  int32_t *pn_heart_rate , int8_t  *pch_hr_valid);
+void maxim_find_peaks( int32_t *pn_locs, int32_t *pn_npks,  int32_t *pn_x, int32_t n_size, int32_t n_min_height, int32_t n_min_distance, int32_t n_max_num );
+void maxim_peaks_above_min_height( int32_t *pn_locs, int32_t *pn_npks,  int32_t *pn_x, int32_t n_size, int32_t n_min_height );
+void maxim_remove_close_peaks( int32_t *pn_locs, int32_t *pn_npks,   int32_t  *pn_x, int32_t n_min_distance );
+void maxim_sort_ascend( int32_t *pn_x, int32_t n_size );
+void maxim_sort_indices_descend(  int32_t  *pn_x, int32_t *pn_indx, int32_t n_size);
+};
+#endif