Diff: pixart_heart_rate_demo.h

Revision:

0:45616b53ea33

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/pixart_heart_rate_demo.h	Mon Oct 30 06:05:00 2017 +0000
@@ -0,0 +1,39 @@
+#ifndef __pixart_heart_rate_demo_h__
+#define __pixart_heart_rate_demo_h__
+
+
+#include <mbed.h>
+#include <stdbool.h>
+#include <stdint.h>
+
+
+namespace pixart {
+    
+
+    class heart_rate_demo {
+    public:
+        heart_rate_demo(I2C &i2c, InterruptIn &interrupt, Serial &serial);
+    
+        void run();
+    
+    private:
+        static void error_handler();
+        static void debug_print(const char *fmt, ...);
+        static uint64_t time_to_millisec(uint64_t time);
+        
+    private:
+        void pah8011_interrupt_handle(void);
+    
+        I2C                 &m_i2c;
+        InterruptIn         &m_interrupt;
+        
+        volatile bool       m_has_pah8011_interrupt;
+        volatile uint64_t   m_pah8011_interrupt_timestamp;
+    
+    };
+    
+
+}
+
+
+#endif // header guard