Chua chaotic oscillator - 640x480 vga
Dependencies: fastlib mbed vga640x480g
main.cpp
- Committer:
- JLS
- Date:
- 2012-02-26
- Revision:
- 0:f2258be4dcd9
File content as of revision 0:f2258be4dcd9:
#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); } }