Diff: Trackball.cpp

Revision:

0:9d5ffffa45a1

diff -r 000000000000 -r 9d5ffffa45a1 Trackball.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Trackball.cpp	Wed Oct 21 19:11:12 2015 +0000
@@ -0,0 +1,37 @@
+#include "mbed.h"
+#include "Trackball.h"
+
+
+Trackball::Trackball(PinName pin_btn, PinName pin_lft, PinName pin_rht, PinName pin_up, PinName pin_dwn, PinName pin_wht, PinName pin_grn, PinName pin_red, PinName pin_blu)
+    : _pin_btn(pin_btn), _pin_lft(pin_lft), _pin_rht(pin_rht), _pin_up(pin_up), _pin_dwn(pin_dwn), _pin_wht(pin_wht), _pin_grn(pin_grn), _pin_red(pin_red), _pin_blu(pin_blu)
+{
+       //initialize all LED pins to off.
+
+    _pin_wht = 0;
+    _pin_grn = 0;
+    _pin_red = 0;
+    _pin_blu = 0;
+
+}
+
+void Trackball::write(unsigned int val, int color)
+
+    {
+        if (color == color_WHITE){_pin_wht = val;}
+        else if(color == color_BLUE){_pin_blu = val;}
+        else if(color == color_GREEN){_pin_grn = val;}
+        else if(color == color_RED){_pin_red = val;}
+        else {printf("Invalid LED Color");}
+    }
+unsigned int Trackball::read(int dir)
+
+    {
+        unsigned int val;
+        if(dir == dir_UP){val = _pin_up;}
+        else if(dir == dir_DOWN){val = _pin_dwn;}
+        else if(dir == dir_RIGHT){val = _pin_rht;}
+        else if(dir == dir_LEFT){val = _pin_lft;}
+        else if(dir == dir_BUTTON){val = _pin_btn;}
+        return val;
+        
+    }
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