Diff: main.cpp

Revision:

1:2721dc2acc2c

Parent:

0:cf17ea89fd09

--- a/main.cpp	Sun Oct 14 18:58:38 2012 +0000
+++ b/main.cpp	Wed Oct 17 16:33:04 2012 +0000
@@ -18,13 +18,15 @@
  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ 
+ Edited to use slider/pushbutton input instead of stretch sensor by Joshua Schrader and Brandon Yee, 2012
+ 
  */
 
 #include "DebounceIn.h"
 #include "mbed.h"
 #include "USBMouse.h"
 #include "ADXL345.h"
-//Serial pc(USBTX, USBRX);
 
 USBMouse mouse;
 ADXL345 accelerometer(p5, p6, p7, p8);
@@ -32,7 +34,6 @@
 DebounceIn button(p13);
 float str;
 int push;
-// Physical interfaces
 BusOut leds(LED1, LED2, LED3, LED4);
 
 // Return slingshot angle in radians, up > 0 > down
@@ -106,7 +107,6 @@
     Timer timer;
 
     float angles[8] = {0};
-    //float stretches[8] = {0};
     
     while(1) {        
     
@@ -118,7 +118,6 @@
         float this_angle = get_angle();
 
         // apply some filtering
-        //float stretch = filter(stretches, 8, this_stretch);
         float angle = filter(angles, 8, this_angle);
             
         leds = state;
@@ -133,13 +132,13 @@
                 break;
 
             case AIMING:
-                if(push) { // rapid de-stretch, considered a fire
+                if(push) { // push button while aiming, considered a fire
                     mouse.release(MOUSE_LEFT);
                     move_mouse(0, 0);
                     timer.start();
                     wait(1);
                     state = FIRING;
-                } else {
+                } else {    //incrementally move mouse
                     int x = 0.0 - cos(angle) * stretch * 40;
                     int y = sin(angle) * stretch * 40;
                     move_mouse(x, y);
@@ -147,8 +146,8 @@
                 break;
 
             case FIRING:
-                push = !button;
-                if(push) {
+                push = !button; //update button
+                if(push) {      // if pushed, return to ready
                     timer.stop();
                     timer.reset();
                     state = WAITING;