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