DD2-monitor/viz/curses/t.c

#include  <stdio.h>
#include  <unistd.h>
#include  <stdlib.h>
#include  <strings.h>
#include  <time.h>
#include  <getopt.h>
#include  <ncurses.h>

#include  "ecran.h"

int	verbosity;

/* ---------------------------------------------------------------- */
void demo_vumetres(int nbl, int notused)
{
int		loop, idx;
int		hpos;
char		ligne[100];
float		value;

for (loop=0; loop<nbl; loop++) {

	value = (float)loop / (float)nbl;

	for (idx=0; idx<4; idx++) {

		hpos = 5 * (idx+1);
		value = drand48();
		sprintf(ligne, "%6.3f", value);
		mvwaddstr(stdscr, hpos, 2, ligne);
		
		vumetre_0(stdscr, hpos, 12, value, 60);

		}
	
	refresh();
	usleep(200*1000);
	}

}
/* ---------------------------------------------------------------- */
void demo_waterfall(int nbl, int k)
{
int		loop, foo;
char		line[100];
WINDOW		*water;
static float	rvals[4];
struct timespec	ts;

ts.tv_sec = 0;
ts.tv_nsec = 200 * 1000 * 1000;

water = open_waterfall("premier essai", 0);

for (loop=0; loop<nbl; loop++) {

	sprintf(line, " %06X  %04X ", loop, rand()&0xffff);
	message(line);

	wrefresh(stdscr);

	for (foo=0; foo<4; foo++) {
		if (rand()%100<42) {
			rvals[foo] += 4.04 * (foo + 1);
			}
		if (rvals[foo] > 1023.0) {
			rvals[foo] = (float)(rand() % 25);
		}
	}

	plot_waterfall(water, 1, rvals);

	/* if (rand()%10 < 1)	sleep(1); */
	foo = nanosleep(&ts, NULL);
	if (foo) {
		/* got a signal ? */
		message("err on nanosleep");
		}
	}

close_waterfall(water, 0);

}
/* ---------------------------------------------------------------- */
static void finish(int signal)
{
endwin();       exit(0);
}
/* ---------------------------------------------------------------- */
int main (int argc, char *argv[])
{
int		opt;
int		demonum = 0;

/* set some default values */
verbosity	= 0;

while ((opt = getopt(argc, argv, "vy:")) != -1) {
	switch (opt) {
		case 'v':	verbosity++;		break;

		case 'y':	demonum = atoi(optarg);	break;		

		default:
			fprintf(stderr, "%s : uh ?", argv[0]);
			exit(1);
			break;
		}

	}

initscr();
nonl();         cbreak();       noecho();

keypad(stdscr, TRUE);           /* acces aux touches 'curseur' */

fond_ecran(" Demonstrator ");

switch (demonum) {
	case 0:		demo_vumetres(666, 0);		break;
	case 1:		demo_waterfall(666, 0);		break;
	}

/*
 *      plop, on a fini, restaurer la console
 */
finish(0);

return 0;
}
/* ---------------------------------------------------------------- */