Diff: main.cpp

Revision:

0:f0b38301c780

diff -r 000000000000 -r f0b38301c780 main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Tue Nov 09 19:23:55 2010 +0000
@@ -0,0 +1,59 @@
+#include "mbed.h"
+
+// create PWM objects for leds
+PwmOut led1(LED1),led2(LED2),led3(LED3),led4(LED4);
+
+// start que
+float a=0.25f,b=0,c=-0.25f,d=-0.5f;
+
+// init down or uplight
+int aa=0,bb=0,cc=0,dd=0;
+
+void blinky(int &dir,float &val){
+    if (val>=0.5){
+        dir=1;
+    } else if (val<-1) {
+        dir=0;
+    }
+    
+    if (dir==0) {
+        val+=0.025f;
+    } else {
+        val-=0.025f;
+    };
+}
+
+int globaldir=0;
+int cnt=0;
+int main() {
+    while (1) {
+        // Toggle directions every 3rd cycle
+        if ((!aa && d<-1) || (!dd && a<-1)) {
+            cnt+=1;
+            if ( cnt>(3-1) ) {
+                cnt=0;
+                if (!globaldir) {
+                    d=0.00f,c=-0.25f,b=-0.50f,a=-0.75f;
+                } else {
+                    a=0.00f,b=-0.25f,c=-0.50f,d=-0.75f;
+                }
+                aa=0,bb=0,cc=0,dd=0;
+                globaldir=(!globaldir);
+            }
+        }
+        
+        // calc led-values
+        blinky(aa,a);
+        blinky(bb,b);
+        blinky(cc,c);
+        blinky(dd,d);
+        
+        // set leds
+        led1 = a;
+        led2 = b;
+        led3 = c;
+        led4 = d;
+
+        wait(0.010);
+    }
+}