Diff: main.cpp

Revision:

0:bbb6abce112b

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu May 08 18:14:22 2014 +0000
@@ -0,0 +1,39 @@
+#include "mbed.h"
+
+Serial pc(USBTX, USBRX);
+
+DigitalOut red[4] = {dp6, dp28, dp1, dp2};
+DigitalIn kolona[4] = {dp9, dp10, dp11, dp13};
+
+Ticker tick;
+
+char matrica[4][4] = {{'1','2','3','A'}, {'4','5','6','B'}, {'7','8','9','C'}, {'*','0','#','D'}};
+ 
+char dajOznaku(int red) 
+{
+    for(int i=0; i<4; i++) if(kolona[i] == 1) return matrica[3-red][i];
+    return 'x';
+}
+
+void ispis() 
+{
+        char znak='x';
+        for(int i=0; i<4; i++)
+        {
+            red[i]=1;
+        znak=dajOznaku(i);
+            red[i]=0;
+             if(znak!='x') break;
+        if(i==3 &&znak=='x') return;    
+        }
+    if(znak!='*') pc.putc(znak);
+    else pc.putc('\n');
+}        
+        
+        
+int main()
+{    
+    tick.attach(&ispis, 0.1);
+    while(1) 
+    {}
+}