Accelerometer hinzugefügt (ungetestet)

accelerometer.c

@@ -0,0 +1,25 @@
+#include "accelerometer.h"
+#include <libgy521.h>
+#include <math.h> //for fabs
+
+void setupAccelerometer(void) {
+    setupgy521();
+}
+
+float getaccelerometerdata(void) {
+    float xyz[] = {getAccelerometerData('x', 1), getAccelerometerData('y', 1), getAccelerometerData('z', 1)};
+    float temp;
+    int i, z;
+    
+    for (i = 0, i < 3; i++) {
+        for (z = 0; z < 3 - i; z++) {
+            if (xyz[z] < xyz[z + 1]) {
+                temp = xyz[z];
+                xyz[z] = xyz[z + 1];
+                xyz[z + 1] = temp;
+            }
+        }
+    }
+    
+    return fabs(xyz[0]); //Absolutwert fuer float
+}

accelerometer.h

@@ -0,0 +1,2 @@
+void setupAccelerometer(void);
+float getaccelerometerdata(void); 

makefile

@@ -4,7 +4,7 @@ CFLAGS  = -Wall -g -D_REENTRANT -DVERSION=\"$(VERSION)\"
 
 LDFLAGS = -lwiringPi -lpthread
 
-OBJ = main.o player.o
+OBJ = main.o player.o accelerometer.o
 
 pi2ezoplayer: $(OBJ)
 	$(CC) $(CFLAGS) -o pi2ezoplayer $(OBJ) $(LDFLAGS)