Diff: main.cpp

Revision:

2:0362ad565944

Parent:

1:4e24bd21f2ce

Child:

3:e612c5f0c23d

--- a/main.cpp	Sun May 24 07:27:19 2015 +0000
+++ b/main.cpp	Fri Mar 25 18:51:10 2016 +0000
@@ -1,8 +1,10 @@
-/** 9.6 Schreibt die Lauflicht Übung aus dem 1. Kurs auf die LED Strips um.
+/** Zahlfallszahlen erzeugen und damit Fernsehsimulator fuettern
 */
 #include "mbed.h"
+#include <time.h>
 
 SPI spi(D11, NC, D13); // mosi, miso, sclk
+AnalogIn poti( A0 );
 
 /** 3 x 3 Werte */
 unsigned int strip[9];
@@ -28,55 +30,18 @@
      
     spi.format( 8,0 );
     spi.frequency( 800000 );
-    
-    while (true) 
-    {
-        // Gruen, Rot, Blau - von Dunkel bis Hell
-        for ( int i = 0; i < 128; i+=32 )
-        {
-                // LED 1
-                strip[0] = i;
-                strip[1] = 0;
-                strip[2] = 0;
-                // LED 2
-                strip[3] = 0;
-                strip[4] = i;
-                strip[5] = 0;
-                // LED 3
-                strip[6] = 0;
-                strip[7] = 0;
-                strip[8] = i;
-                writeLED();
-                wait( 0.1 );
-        }
-        wait( 1.0 );
-        clearLED();
+
+    clearLED();
+    time_t t;
+    time(&t);
+    srand( (unsigned int)t );              /* Zufallsgenerator initialisieren */
 
-        // Lauflicht (5 x 4 Zustaende)
-        int p = 0;
-        for ( int i = 0; i < 20; i++ )
-        {
-            p++;
-            switch  ( p )
-            {
-                case 1:
-                    strip[0] = strip[1] = strip[2] = 32;
-                    break;
-                case 2:
-                    strip[0] = strip[1] = strip[2] = 0;
-                    strip[3] = strip[4] = strip[5] = 32;
-                    break;
-                case 3:
-                    strip[3] = strip[4] = strip[5] = 0;
-                    strip[6] = strip[7] = strip[8] = 32;
-                    break;
-                default:
-                    clearLED();
-                    p = 0;
-                    break;
-            }
-            writeLED();
-            wait( 0.2 );                    
-        }
+    while   ( 1 )
+    {
+        for ( int i = 0; i < 9; i++ )
+            strip[i] = rand() % 64 + 1;
+            
+        writeLED();
+        wait( poti.read() );          
     }
 }
\ No newline at end of file