stm32f103c8t6 with w5500 push cayenne

Revision:
2:3e0dfce73a58
Parent:
1:a248e65a25cc
Child:
3:a173ad187e67
diff -r a248e65a25cc -r 3e0dfce73a58 MPU6050.h
--- a/MPU6050.h	Mon Jul 13 13:18:34 2015 +0000
+++ b/MPU6050.h	Thu Jul 16 13:56:09 2015 +0000
@@ -7,7 +7,7 @@
 #include "math.h"
 #include "MPU6050RegDef.h"
 
-#define PI 3.14159265359
+#define PI 3.14159265359    // This value will be used when calculating angles
 #define dt 0.005            // 200 Hz sampling period
 
 extern I2C i2c;             // extern the i2c in order to able to use from other files
@@ -15,11 +15,11 @@
 
 /* whoAmI func uses this func, variables etc */
 extern Ticker toggler1;  
-extern Serial ftdi;   
+extern Serial pc;   
 extern DigitalOut led2;
 extern void toggle_led1();
 
-/* Sensor datas to be used in main.cpp */
+/* Sensor datas to be used in program */
 extern float ax,ay,az;
 extern float gx,gy,gz;
 extern int16_t accelData[3],gyroData[3],tempData;
@@ -42,6 +42,7 @@
     void readGyroData(int16_t* dest);
     int16_t readTempData();
     void calibrate(float* dest1, float* dest2);
+    void complementaryFilter(float* pitch, float* roll);
 };
 
 #endif
\ No newline at end of file