Revision 2:e585627bae99, committed 2015-09-20

Comitter:

simonscott

Date:

Sun Sep 20 01:37:50 2015 +0000

Parent:

1:38cd433ff221

Commit message:

Added a couple more comments. No actual code changes.

Changed in this revision

--- a/main.cpp	Sun Sep 20 00:58:37 2015 +0000
+++ b/main.cpp	Sun Sep 20 01:37:50 2015 +0000
@@ -1,3 +1,8 @@
+/**
+ * A "gun" game controller for playing first-person shooters like Doom II.
+ * Written by Ben, Inez and Simon for IDD 2015.
+ */
+
 #include "mbed.h"
 #include "USBMouseKeyboard.h"
 #include "DebounceIn.h"
@@ -126,7 +131,7 @@
     if(sys_error == 0 && sys_stat == 5)
         return true;
     else {
-        //pc.printf("SYS_ERR: %d SYS_STAT: %d\r\n", sys_error, sys_stat);
+        pc.printf("SYS_ERR: %d SYS_STAT: %d\r\n", sys_error, sys_stat);
         return false;
     }
 }
@@ -241,6 +246,10 @@
     if(e.pitch > 90 || e.pitch < -90)
         e.pitch = 0;
     
+    // Occassionally the heading goes into 180..360 degrees, need to wrap around
+    if(e.heading > 180)
+        e.heading = e.heading - 360;;
+    
     return e;
 }
 
@@ -342,7 +351,8 @@
             redLED = 1;
             greenLED = 0;
         }
- 
+        wait(0.001);
+        
         // If trigger state changed
         if (!trigger.read() != triggerPressed)
         {
@@ -397,7 +407,8 @@
             key_mouse.sendNB(&kbHIDReport);
         }
 
-        // move limits
+        // Limit how much we can move the mouse
+        // No motion beyond 90 degrees, deadband between -2 and +2 degrees, and parabolic beyond 20 degrees.
         float heading_limited;
         if(e.heading > 90)
             heading_limited = 90;