Kamil Ondrousek
Chua chaotic oscillator - 640x480 vga
Dependencies: fastlib mbed vga640x480g
Revision 0:f2258be4dcd9, committed 2012-02-26
- Comitter:
- JLS
- Date:
- Sun Feb 26 12:40:51 2012 +0000
- Commit message:
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/fastlib.lib Sun Feb 26 12:40:51 2012 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/Ivop/code/fastlib/#bc492a93e116
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Sun Feb 26 12:40:51 2012 +0000
@@ -0,0 +1,52 @@
+#include "mbed.h"
+#include "vga640x480g.h"
+
+int main() {
+
+ init_vga();
+
+ vga_cls();
+
+ vga_box(0,0,639,479,WHITE);
+
+ vga_putstring(10,10,"Chua chaotic oscillator",WHITE);
+
+ float x = 0.5;
+ float y = 0.25;
+ float z = 0.125;
+ float oldx = 0;
+ float oldy = 0;
+ float oldz = 0;
+
+ float dt = 0.005;
+
+ float alpha = 15.6;
+ float beta = 28.58;
+ float a = -1.14286;
+ float b = -0.714286;
+ float h = 0;
+
+ int xout = 0;
+ int yout = 0;
+
+ while (1) {
+
+ oldx = x;
+ oldy = y;
+ oldz = z;
+
+ h = (b * x) + (0.5 * (a - b) * (abs(x+1) - abs(x-1)));
+
+ x = oldx + dt * (alpha * (oldy - oldx - h));
+ y = oldy + dt * (oldx - oldy + oldz);
+ z = oldz + dt * (-beta * oldy);
+
+ xout = 320+(136*x);
+ yout = 240+(556*y);
+
+ vga_plot(xout,yout,WHITE);
+
+}
+
+ }
+
\ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Sun Feb 26 12:40:51 2012 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/63bcd7ba4912
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/vga640x480g.lib Sun Feb 26 12:40:51 2012 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/gertk/code/vga640x480g/#821e34a87609