Kamil Ondrousek / Mbed 2 deprecated DuffingOsc

Duffing oscillator

Dependencies:   mbed

main.cpp

Committer:
JLS
Date:
2011-01-08
Revision:
0:17950ef84d02

File content as of revision 0:17950ef84d02:

#include "TFT_4DGL.h"

TFT_4DGL lcd(p9,p10,p11);

int main() {

    double x1,y1,z1,x,y,z,dt;
    int   xp,yp,sl,sk;
   
    float a = -0.1;
    float b = 0.01;
    float c = 0.2;

    x1 = 0;
    y1 = 0;
    z1 = 0;

    sl = 0;
    sk = 0;
    
    dt = 0.007;

    while(1)
    
    {
    
        x = x1+(y1)*dt;
        y = y1+(-b*y1+x1-pow(x1,3)+a*cos(z1))*dt;
        z = z1+(c)*dt;

        yp = (int)floor(y*90);
        xp = (int)floor(x*90);

        lcd.pixel(120+yp,160+xp,WHITE);

        sk++;
      
        x1 = x;
        y1 = y;
        z1 = z;

    }
 
}