Diff: main.cpp

Revision:

0:96b9c5faa0d1

diff -r 000000000000 -r 96b9c5faa0d1 main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Wed Mar 04 17:10:44 2015 +0000
@@ -0,0 +1,82 @@
+/** 9.5 Schreibt die Lauflicht Übung aus dem 1. Kurs auf die LED Strips um.
+*/
+#include "mbed.h"
+
+SPI spi(D11, NC, D13); // mosi, miso, sclk
+
+/** 3 x 3 Werte */
+unsigned int strip[9];
+
+void writeLED()
+{
+    for ( int p = 0; p < 9; p++ )
+        spi.write( strip[p] );
+}
+
+void clearLED()
+{
+    for ( int p = 0; p < 9; p++ ) 
+    {
+        strip[p] = 0;
+        spi.write( strip[p] );
+    }
+}
+
+int main()
+{
+    printf( "LED Strip Test \n" );
+     
+    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();
+
+        // 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 );                    
+        }
+    }
+}
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