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#include <stdlib.h>
#include <gtk/gtk.h>
#include <stdio.h>
#include <termios.h>
#include <sys/fcntl.h>
void fonctionharmonique(GtkSpinButton *spin_button, GtkWidget *pTextview)
{
gchar* sLabel;
gfloat Value;
/* Récupération du buffer du GtkTextView */
GtkTextBuffer *buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (pTextview));
/* Effacement complet du buffer */
GtkTextIter start ,end;
gtk_text_buffer_get_start_iter (buffer, &start);
gtk_text_buffer_get_end_iter (buffer, &end);
gtk_text_buffer_delete (buffer, &start, &end);
/* Récupération de la valeur de la scrollbar */
Value = (float)gtk_spin_button_get_value (spin_button);
float harmonique;
/* Création des différents labels */
gint factor;
for (factor=1; factor <= 1048576; factor*=2, harmonique=Value*factor)
{
sLabel = g_strdup_printf("%f Hz %f hz\n", harmonique, harmonique*1.5);
/* insertion du texte la position du curseur */
gtk_text_buffer_insert_at_cursor (buffer, sLabel, -1);
g_free (sLabel);
}
}
void connection(GtkWidget *pWidget, gpointer data)
{
int fd;
char c;
gfloat iValue;
iValue = gtk_range_get_value(GTK_RANGE(pWidget));
struct termios termios_p;
/* Ouverture de la liaison serie */
if ( (fd=open("/dev/ttyUSB0",O_RDWR)) == -1 )
{
perror("open");
exit(-1);
}
/* Lecture des parametres courants */
tcgetattr(fd,&termios_p);
/* On ignore les BREAK et les caracteres avec erreurs de parite */
termios_p.c_iflag = IGNBRK | IGNPAR;
/* Pas de mode de sortie particulier */
termios_p.c_oflag = 0;
/* Liaison a 9600 bps avec 7 bits de donnees et une parite paire */
termios_p.c_cflag = B9600 | CS7 | PARENB;
/* Mode non-canonique avec echo */
termios_p.c_lflag = ECHO;
/* Caracteres immediatement disponibles */
termios_p.c_cc[VMIN] = 1;
termios_p.c_cc[VTIME] = 0;
/* Sauvegarde des nouveaux parametres */
tcsetattr(fd,TCSANOW,&termios_p);
/* Boucle d'écriture */
char buf[10] = "";
sprintf(buf, "%f", iValue);
write(fd,&buf,sizeof(buf));
printf("%s a bien etait envoyer\n", buf); // confirmation
/* Fermeture */
close(fd);
exit(0);
}
int main(int argc,char **argv)
{
GtkWidget* pWindow;
GtkWidget *pMainVBox;
GtkWidget *pFrame;
GtkWidget *pLabel;
GtkWidget *pScale;
GtkWidget *pButton;
GtkWidget *pSpin;
gtk_init(&argc,&argv);
pWindow = gtk_window_new(GTK_WINDOW_TOPLEVEL);
gtk_window_set_title(GTK_WINDOW(pWindow), "Moppa 3.0");
gtk_window_set_default_size(GTK_WINDOW(pWindow), 200, 400);
gtk_container_set_border_width(GTK_CONTAINER(pWindow), 4);
pMainVBox = gtk_box_new(TRUE, 0);
gtk_container_add(GTK_CONTAINER(pWindow), pMainVBox);
pButton = gtk_button_new_with_label("test bouton connection");
gtk_box_pack_start(GTK_BOX(pMainVBox), pButton, FALSE, TRUE, 0);
pLabel = gtk_label_new (NULL);
gtk_box_pack_start(GTK_BOX(pMainVBox), pLabel, FALSE, FALSE, 0);
GtkWidget *pScroll = gtk_scrolled_window_new (NULL, NULL);
gtk_box_pack_start(GTK_BOX(pMainVBox), pScroll, FALSE, TRUE, 0);
gtk_widget_set_size_request (pScroll, 200, 200);
GtkWidget *pTextview = gtk_text_view_new ();
gtk_container_add (GTK_CONTAINER(pScroll), pTextview);
/* Connexion du signal "clicked" pour ouvrir la boite de dialogue */
g_signal_connect(G_OBJECT(pButton), "clicked", G_CALLBACK(connection), NULL);
pFrame = gtk_frame_new("Harmonique en Hz");
pSpin = gtk_spin_button_new_with_range(0, 20000000, 0.0001);
gtk_container_add(GTK_CONTAINER(pFrame), pSpin);
gtk_box_pack_start(GTK_BOX(pMainVBox), pFrame, FALSE, FALSE, 0);
g_signal_connect(G_OBJECT(pSpin), "value-changed",
G_CALLBACK(fonctionharmonique), pTextview);
pFrame = gtk_frame_new("X");
/* Création du widget GtkHScale */
pScale = gtk_scale_new_with_range(GTK_ORIENTATION_HORIZONTAL,-361 , -1, 0.5);
gtk_container_add(GTK_CONTAINER(pFrame), pScale);
gtk_box_pack_start(GTK_BOX(pMainVBox), pFrame, FALSE, FALSE, 0);
g_signal_connect(G_OBJECT(pScale), "value-changed",
G_CALLBACK(connection), (GtkWidget*)pLabel);
pFrame = gtk_frame_new("Y");
pScale = gtk_scale_new_with_range(GTK_ORIENTATION_HORIZONTAL,1 , 201, 0.5);
/* Position du label en dessous */
gtk_scale_set_value_pos(GTK_SCALE(pScale), GTK_POS_BOTTOM);
gtk_container_add(GTK_CONTAINER(pFrame), pScale);
gtk_box_pack_start(GTK_BOX(pMainVBox), pFrame, FALSE, FALSE, 0);
g_signal_connect(G_OBJECT(pScale), "value-changed",
G_CALLBACK(connection), (GtkWidget*)pLabel);
gtk_widget_show_all(pWindow);
g_signal_connect(G_OBJECT(pWindow), "destroy", G_CALLBACK(gtk_main_quit), NULL);
gtk_main();
return EXIT_SUCCESS;
} |
