Diff: main.cpp

Revision:

2:0053ee456979

Parent:

1:3c6efa018b57

diff -r 3c6efa018b57 -r 0053ee456979 main.cpp
--- a/main.cpp	Sat Mar 21 13:52:35 2015 +0000
+++ b/main.cpp	Sat Mar 21 15:54:47 2015 +0000
@@ -2,12 +2,24 @@
 #include "USBMouseKeyboard.h"
 #include "FXOS8700Q.h"
 
-USBMouseKeyboard key_mouse;                             // Use USBMouseKeyboard which emulates USB mouse & keyboard
-FXOS8700Q_acc acc( PTB3, PTB2, FXOS8700CQ_SLAVE_ADDR2); // Use accelerometer
+USBMouseKeyboard key_mouse;                                 // Use USBMouseKeyboard which emulates USB mouse & keyboard
+FXOS8700Q_acc acc( PTB3, PTB2, FXOS8700CQ_SLAVE_ADDR2 );    // Use accelerometer
 MotionSensorDataUnits acc_data;
 DigitalIn sw2(SW2);
 DigitalIn sw3(SW3);
 
+int calcMouseMovement(float f) {
+    if( f > 0.3f ) {
+        // Board is listing to the right or to the front
+        return 10;
+    } else if( f < -0.3f ) {
+        // Board is listing to the left or to the back
+        return -10;
+    } else {
+        return 0;
+    }
+}
+
 int main(void) {
     
     acc.enable();
@@ -16,22 +28,11 @@
         acc.getAxis(acc_data);
         float x = acc_data.x;               // Substitute x for x-axis value of accelerometer
         float y = acc_data.y;               // Substitute y for y-axis value of accelerometer
-
-        if( x > 0.3f ) {
-            // Board is listing to the right
-            key_mouse.move(10, 0);          // Move the mouse cursor +10 in x-axis direction
-        } else if( x < -0.3 ) {
-            // Board is listing to the left
-            key_mouse.move(-10, 0);         // Move the mouse cursor -10 in x-axis direction
-        }
         
-        if( y > 0.3f ){
-            // Board is listing to the front
-            key_mouse.move(0, -10);         // Move the mouse cursor +10 in y-axis direction
-        } else if( y < -0.3 ) {
-            // Board is listing to the back
-            key_mouse.move(0, 10);          // Move the mouse cursor -10 in y-axis direction
-        }
+        key_mouse.move(calcMouseMovement(x), 0);    // Move the mouse cursor in x-axis direction
+        key_mouse.move(0, calcMouseMovement(-y));   // Move the mouse cursor in y-axis direction
+        printf("%f => key_mouse.move(%d, 0)\r\n", x, calcMouseMovement(x));
+        printf("%f => key_mouse.move(0, %d)\r\n", y, calcMouseMovement(y));
         
         if( sw2 == 1 ) {
             // SW2 is not pressed