Diff: main.cpp

Revision:

0:0db95f8cd85f

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Tue Sep 29 00:52:41 2015 +0000
@@ -0,0 +1,41 @@
+/*Lab 1 Program A
+  Makes led's shift based on which input switches are on.
+  Matthew Sims
+  Section 1001
+*/
+
+#include "mbed.h"
+
+DigitalOut out[]= {p30,p29,p28,p27,p26}; //sets 5 output pins connected to circut board led's
+DigitalIn in[]={p16,p17};                //sets 2 inputs to the pins the switches are connected to
+
+int main()
+{
+    out[2]=1;                           //Initial postion led 2 lit
+    int lit=2;                          //Records which led is lit
+
+    /*Infinite loop that checks which inputts are on every cycle and changes led's bassed on inputs*/
+
+    while(1) {
+        if(in[0]==1 && in[1]==1) {                   //Checks first instance
+            out[lit]=0;                 //Turns off currently on led
+            lit=2;                      //Picks middle led to be lit 
+            out[lit]=1;                 //Turns on the selected led
+            wait(.5);                   //Turns on the selected led
+        } else if(in[0]==1 && in[1]==0) {            //Checks second instance
+            if(lit<4) {                 //Makes sure it stops at end of array
+                out[lit]=0;             //Turns previously on led off
+                lit++;                  //Picks led to right
+                out[lit]=1;             //Turns on led
+                wait(.5);               //Waits to start loop again
+            }
+        } else if(in[1]==1 && in[0]==0) {            //Same as last loop, but moves led's to left instead of right.
+            if(lit>0) {
+                out[lit]=0;
+                lit--;
+                out[lit]=1;
+                wait(.5);
+            }
+        }
+    }
+}
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