LivingMachine/Code/KirbyTrack.c

267 lines
7.3 KiB
C

#include <stdio.h>
#include <stdlib.h>
#include <cv.h>
#include <highgui.h>
//#include <opencv2/highgui.hpp> //Pour le cvRound
//#include "opencv2/videoio/videoio_c.h" //Pour le CvCapture*
//#include <cxcore.h>
//#include <SFML/Window.h>
#include <SFML/Audio.hpp>
#include <SFML/Graphics.hpp>
#define CONFIG
//#define SFML
//ATTENTION AFFICHAGE OPENCV INCOMPATIBLE AVEC AFFICHAGE SFML
/*Headers*/
void controle_moteur(int vecX, int vecY, int rayon);
int limite_moteur(int val_pwm);
int image_CV2SFML(IplImage* imcv, sf::Image imsf); //Construction de imsf (RGBA) à partir de imcv (BGR), avec alpha constant (=1)
int main(int argc, char* argv[])
{
int height,width,step,channels; //parameters of the image we are working on
int posX, posY; //Position objet
CvMoments *moments = (CvMoments*)malloc(sizeof(CvMoments)); //Variable moyenne position
int boucle;
#ifdef SFML
//Initialisation SFML
sf::Texture txFlux;
sf::Sprite spFlux;
sf::Image imFlux;
sf::Event event;
//Création de la fenetre principale
sf::RenderWindow window(sf::VideoMode(800, 600), "KirbyTrack");
#endif
// Open capture device. 0 is /dev/video0, 1 is /dev/video1, etc.
CvCapture* capture = cvCaptureFromCAM( 0 );
if( !capture ){
printf("ERROR: capture is NULL \n" );
return EXIT_FAILURE;
}
// grab an image from the capture
IplImage* frame = cvQueryFrame( capture );
#ifdef CONFIG
// Create a window in which the captured images will be presented
cvNamedWindow( "Camera", CV_WINDOW_AUTOSIZE );
cvNamedWindow( "HSV", CV_WINDOW_AUTOSIZE );
cvNamedWindow( "Binaire", CV_WINDOW_AUTOSIZE );
#endif
// get the image data
height = frame->height;
width = frame->width;
step = frame->widthStep;
// capture size -
CvSize size = cvSize(width,height);
#ifdef SFML
//Intialisation de la texture
if (!txFlux.create(width, height)){
printf("Erreur création texture\n");
return EXIT_FAILURE;
}
#endif
// Initialize different images that are going to be used in the program
IplImage* hsv_frame = cvCreateImage(size, IPL_DEPTH_8U, 3); // image converted to HSV plane
IplImage* threshold = cvCreateImage(size, IPL_DEPTH_8U, 1);
//Controle couleur
//Setup Kirby
int iLowH = 139;
int iHighH = 179;
int iLowS = 48;
int iHighS = 255;
int iLowV = 101;
int iHighV = 255;
CvScalar valinf={iLowH,iLowS,iLowV};
CvScalar valsup={iHighH,iHighS,iHighV};
#ifdef CONFIG
cvNamedWindow("Control", CV_WINDOW_AUTOSIZE); //create a window called "Control"
//Create trackbars in "Control" window
cvCreateTrackbar("LowH", "Control", &iLowH, 179,NULL); //Hue (0 - 179)
cvCreateTrackbar("HighH", "Control", &iHighH, 179,NULL);
cvCreateTrackbar("LowS", "Control", &iLowS, 255,NULL); //Saturation (0 - 255)
cvCreateTrackbar("HighS", "Control", &iHighS, 255,NULL);
cvCreateTrackbar("LowV", "Control", &iLowV, 255,NULL); //Value (0 - 255)
cvCreateTrackbar("HighV", "Control", &iHighV, 255,NULL);
boucle = 1;
#endif
while(boucle)//while(window.isOpen())
{
#ifdef SFML
boucle = window.isOpen();
// on inspecte tous les évènements de la fenêtre qui ont été émis depuis la précédente itération
while (window.pollEvent(event))
{
// évènement "fermeture demandée" : on ferme la fenêtre
if (event.type == sf::Event::Closed)
window.close();
}
#endif
// Get one frame
frame = cvQueryFrame( capture );
if( !frame ){
printf("ERROR: frame is null...\n" );
break;
}
// Covert color space to HSV as it is much easier to filter colors in the HSV color-space.
cvCvtColor(frame, hsv_frame, CV_BGR2HSV);
//Blur
cvSmooth( hsv_frame, hsv_frame, CV_GAUSSIAN, 15, 0,0,0); //suppression des parasites par flou gaussien
//Binarisation
cvInRangeS(hsv_frame, valinf,valsup, threshold);
//cvSmooth( threshold, threshold, CV_GAUSSIAN, 9, 9 ); //Legère suppression des parasites
// Calculate the moments to estimate the position of the ball
cvMoments(threshold, moments, 1);
// The actual moment values
double moment10 = cvGetSpatialMoment(moments, 1, 0);
double moment01 = cvGetSpatialMoment(moments, 0, 1);
double area = cvGetCentralMoment(moments, 0, 0);
posX= moment10/area;
posY= moment01/area;
//Affichage zone suivie objet
cvCircle(frame, cvPoint(width/2,height/2), height/6, CV_RGB(0, 255, 0), 4, 8, 0 );
if(posX<5&&posY<5){ //Si aucun objet spotted, pointeur rouge au centre
posX=width/2;
posY=height/2;
cvLine(frame, cvPoint(posX-20,posY), cvPoint(posX+20,posY), CV_RGB(255, 0, 0), 4, 8, 0 );
cvLine(frame, cvPoint(posX,posY-20), cvPoint(posX,posY+20), CV_RGB(255, 0, 0), 4, 8, 0 );
}
else{ //Objet spotted
//Affichage position de l'objet
cvLine(frame, cvPoint(posX-20,posY), cvPoint(posX+20,posY), CV_RGB(0, 0, 255), 4, 8, 0 );
cvLine(frame, cvPoint(posX,posY-20), cvPoint(posX,posY+20), CV_RGB(0, 0, 255), 4, 8, 0 );
}
#ifdef CONFIG
cvShowImage( "Camera", frame ); // Original stream with detected ball overlay
cvShowImage( "HSV", hsv_frame); // Original stream in the HSV color space
cvShowImage( "Binaire", threshold); // The stream after color filtering
#endif
#ifdef SFML
//Affichage SFML
/* Clear the screen */
window.clear(sf::Color::Black);
//Conversion de la frame en image smfl
if(image_CV2SFML(frame, imFlux)){
printf("Erreur conversion OpenCV-SFML\n");
break;
}
spFlux.setTexture(txFlux);
window.draw(spFlux);
/* Update the window */
//window.display();
//sfSprite_destroy(sprite);
//sfTexture_destroy(texture);
#endif
//controle_moteur(posX-width/2, posY-height/2, height/6); //Envoie commande moteur
#ifdef CONFIG
if( (cvWaitKey(10) ) >= 0 ) break; //Arret capture
#endif
}
//cvWaitKey(0); //Fin programme
// Release the capture device housekeeping
cvReleaseCapture( &capture );
cvReleaseImage(&threshold);
return EXIT_SUCCESS;
}
/*On se rapproche de (vecX, vecY) si la position se situe en dehors d'un cercle centre sur la camera*/
void controle_moteur(int vecX, int vecY, int rayon){
int val_pwm[2];
/*Lecture valeur*/
FILE* fichier = NULL;
fichier = fopen("/dev/ttyACM0","r");
if(fichier==NULL){
printf("Erreur ouverture fichier\n");
return ;
}
fscanf(fichier,"%d,%d",&val_pwm[0],&val_pwm[1]);
fclose(fichier);
/*Ecriture nouvelle valeur*/
fichier = fopen("/dev/ttyACM0","w");
if(fichier==NULL){
printf("Erreur ouverture fichier\n");
return ;
}
double norme = 1.0*vecX*vecX + 1.0*vecY*vecY;
if (norme > rayon*rayon){
if(vecX >= vecY && limite_moteur(val_pwm[0])){ /*Ecart sur x plus important*/
fprintf(fichier,"%d,%d",val_pwm[0]++,val_pwm[1]);
}
else if(vecX <= vecY && limite_moteur(val_pwm[1])){ /*Ecart sur y plus important*/
fprintf(fichier,"%d,%d",val_pwm[0],val_pwm[1]++);
}
}
fclose(fichier);
return;
}
/*Verifie que les valeurs envoyees aux moteurs sont correctes*/
int limite_moteur(int val_pwm){
int MAX_PWM = 255;
if (val_pwm > MAX_PWM || val_pwm < 0){
return 0;
}
else{
return 1;
}
}
/*
int image_CV2SFML(IplImage* imcv, sf::Image imFlux){
}
*/