Dominic Platt / Mbed 2 deprecated Space_Evader

Code for the space evader game.

Dependencies:   N5110 PowerControl mbed

Diff: joystick.cpp

Revision:
1:225522d0dd77
Parent:
0:dd6685f1343e
--- a/joystick.cpp	Sun May 10 16:48:46 2015 +0000
+++ b/joystick.cpp	Mon May 11 11:44:51 2015 +0000
@@ -2,7 +2,7 @@
 @file joystick.cpp
  
 @brief Program implementation
- 
+@brief Original code https://developer.mbed.org/users/eencae/code/Joystick/ 
 */
 #include "mbed.h"
 #include "joystick.h"
@@ -32,6 +32,9 @@
 
     // calculate direction depending on x,y values
     // tolerance allows a little lee-way in case joystick not exactly in the stated direction
+    //Direction matrix modified here depending on the direction tolerence
+    // +1 is down/right, 0 is centre and -1 is up/left
+    //modified by Dominic Platt
     if ( fabs(joystick.y) < DIRECTION_TOLERANCE) {
         joystick.direction[0] = 0; //middle for y
     } else if ( joystick.y > DIRECTION_TOLERANCE) {