add examples

RTL00_SDKV35a/example_sources/i2c_epl2197_heartrate/inc/HRM_2197.h

@@ -0,0 +1,77 @@
+/*******************************************************************************
+ HRM.h - Definition header
+ *******************************************************************************/
+#ifndef HRM_H
+#define HRM_H
+
+#include <stdint.h>
+
+//------------------------------------------------------
+#define HR_SAMPLE_RATE   25// Hz
+#define HR_INTEG_MIN   	  HR_INTEG_40
+#define HR_INTEG_BASE  	  HR_INTEG_250
+#define HR_INTEG_MAX   	  HR_INTEG_250
+
+#define HR_TH_HIGH		  63000
+#define HR_TH_LOW		  30000
+//------------------------------------------------------
+
+// HRM I2C address & register sub-addresses
+#define HR_SLAVE_ADDRESS  0x82
+
+#define HR_FILTER_1		  0<<5
+#define HR_FILTER_2		  1<<5
+#define HR_FILTER_4		  2<<5
+#define HR_FILTER_8		  3<<5
+#define HR_FILTER_16	  4<<5
+#define HR_FILTER_32	  5<<5
+#define HR_FILTER_64	  6<<5
+#define HR_FILTER_128	  7<<5
+
+#define HR_MODE_HR          1<<4
+#define HR_MODE_HRS         9<<4
+
+#define HR_GAIN_MID		  1
+#define HR_GAIN_LOW	  3
+
+#define HR_INTEG_20		  5
+#define HR_INTEG_25		  6
+#define HR_INTEG_30		  7
+#define HR_INTEG_40		  8
+#define HR_INTEG_55		  9
+#define HR_INTEG_70		  10
+#define HR_INTEG_90		  11
+#define HR_INTEG_110	  12
+#define HR_INTEG_150	  13
+#define HR_INTEG_200	  14
+#define HR_INTEG_250	  15
+#define HR_INTEG_350	  16
+#define HR_INTEG_450	  17
+#define HR_INTEG_550	  18
+
+#define HR_OSR_64              0<<2
+#define HR_OSR_256		  1<<2
+#define HR_OSR_1024		  2<<2
+#define HR_OSR_2048		  3<<2
+
+#define HR_RESETN_RESET  0<<2
+#define HR_RESETN_RUN	  1<<2
+
+#define HR_PDRIVE_70MA    0<<4
+#define HR_PDRIVE_35MA	  1<<4
+#define HR_PDRIVE_200MA  2<<4
+#define HR_PDRIVE_100MA  3<<4
+
+#define HR_INT_FRAME	  1<<2
+#define HR_INT_DISABLED  2<<2
+
+#define HR_IR_DISABLE      0<<7
+#define HR_IR_ENABLE       1<<7
+
+//------------------------------------------------------
+
+// Declarations
+void init_hrm(void);
+uint16_t read_hrm(void);
+
+#endif /* HRM_H */

RTL00_SDKV35a/example_sources/i2c_epl2197_heartrate/inc/heart_interface.h

@@ -0,0 +1,39 @@
+/*
+ * heart_interface.h
+ *
+ *  Created on: 2014/4/29
+ *      Author: 01004
+ */
+
+#ifndef HEART_INTERFACE_H_
+#define HEART_INTERFACE_H_
+
+#define MIN_HEART_RATE 	48
+#define MAX_HEART_RATE 	180
+
+extern int g_heartrate;
+
+typedef void (*hr_callback)(int);
+
+/*
+ * If there is no g-sensor, fill x, y, z in 0.
+ */
+void add_PPG_XYZ(int ppg, short xx, short yy, short zz);
+
+/*
+ * A callback to handle heartrate events.
+ */
+void register_callback(hr_callback callback);
+
+/*
+ * Ex: report_period = 25.
+ * it means report a heart rate every 25 samples.
+ */
+void start(int report_period);
+
+void reset(void);
+
+void stop(void);
+
+
+#endif /* HEART_INTERFACE_H_ */