Diff: main.cpp

Revision:

0:33a6b0d61b90

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Mon Aug 17 16:56:30 2015 +0000
@@ -0,0 +1,105 @@
+#include "mbed.h"
+#include "WS2812.h"
+
+const int size = 300; //number of LED´s
+      int line = 25;  //length of Flash
+DigitalOut myled(LED1);
+WS2812 strip (p5,size,6,17,9,14); //mbed 4088:  10,24,20,22    see https://developer.mbed.org/users/bridadan/code/WS2812/ 
+
+//Ticker speed;
+//Ticker baum; 
+
+
+int Buffer[size + 70]; //a buffer is never to big
+int dir   =  1;
+int spe   =  5;
+int spe_2 = 70;
+int nd    =  1;
+int run_i  = 1;
+
+// Short Light   {Startposition,Direktion} Startposition must > 10 and < (size-10)
+int single[5][2]={{9,1},{140,1},{280,1},{120,-1},{260,-1}};
+
+
+
+
+
+int color_set(uint8_t rot,uint8_t gruen, uint8_t blau, uint8_t alpha)
+{
+  return ((alpha<<24) + (rot<<16) + (gruen<<8) + blau);   
+}
+
+
+//change speed
+void do_speed()
+{
+  spe_2 = spe_2 + dir;
+  if (spe_2 > 180) dir = -1;
+  if (spe_2 < 60) dir =  1;
+  spe = spe_2/20;
+}
+
+
+void do_single(int num,int c)
+{
+ Buffer[single[num][0]] = color_set(((c&0x00FF0000)>>16)-nd%30,
+ ((c&0x0000FF00)>>8)+nd%35,(c&0x000000FF)+nd%10,250);
+ double ran = rand()%2;
+ single[num][0] = single[num][0] + ((ran)* single[num][1]);
+ if (single[num][0] > (size-13))  single[num][1]= -1;
+ if (single[num][0] < 8  )  single[num][1] = 1;
+ Buffer[single[num][0]-3] = color_set(0,0,0,0);
+ Buffer[single[num][0]-4] = color_set(0,0,0,0);
+ Buffer[single[num][0]+3] = color_set(0,0,0,0);
+ Buffer[single[num][0]+4] = color_set(0,0,0,0);
+}
+
+
+void do_baum()
+{  
+  for (int i = size - line; i < size; i++)
+  {
+    Buffer[i] &= color_set(124+spe*12+nd%60,255-spe*27+nd%45,124-spe*13-nd%35,240-nd%200);
+    nd+=12;
+  }
+}
+
+void do_run()
+{
+  if (run_i < line)
+  {
+    for (int j = 0; j < spe; j++) Buffer[run_i+j] = color_set(spe*20-nd%15,253-spe*20,124-spe*13+nd%25,240);
+  } 
+  else
+  {
+    for (int j = 0; j < spe; j++) Buffer[run_i+j]       = color_set(spe*27-nd%25,253-spe*27,124-spe*13+nd%55,240);
+    for (int j = 0; j < spe; j++) Buffer[run_i+j-line]  = color_set(0,0,0,0);
+  }
+  
+  run_i+=spe;
+    
+  if(run_i > size) run_i = 0;   
+}
+
+void show(bool i)
+{
+  do_single(0,0x00ff0000);
+  do_single(1,0x0006de08);
+  do_single(2,0x000000df);
+  do_single(3,0xdeadbeef);
+  do_single(4,0x00442288);
+  do_baum();
+  do_speed();
+  do_run();
+  if (i>0) for (int a=0; a<size;a++){ Buffer[a]^= 4294967295;}; 
+  strip.write(Buffer);   
+}
+
+int main() 
+{
+  while(1)
+  {
+    show(0);
+    myled = !myled;   
+  }  
+}