DD2-monitor/essai.c

/*
 *		essai.c
 */

#include	<stdio.h>
#include	<unistd.h>
#include	<stdlib.h>
#include	<string.h>
#include	<curses.h>
#include	<time.h>

#include	"core/utils.h"
#include	"core/sysmetrics.h"
#include	"serial/serial.h"
#include	"viz/curses/ecran.h"

int	verbosity;

/* --------------------------------------------------------------- */
int affiche_valeurs(int sfd, int nbloops)
{
int		idx, foo;
char		ligne[200];
int		Idatas[4];
float		Fdatas[4];
FILE		*fp;
time_t		temps,
		old_temps = (time_t)0L;


/* XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX */
fp = fopen("serial/foo.dat", "a");
if (NULL==fp) {
	fprintf(stderr, "***** error fopen datafile *****\n");
	return -1;
	}
/* XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX */

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

	foo = getline_to(sfd, ligne, 100, 0);
	if (verbosity) message(ligne);
	
#if DEBUG_LEVEL
	if (foo) fprintf(stderr, "get values -> %d\n", foo);
#endif

	foo = parse4_Ivalues(ligne, 'T', Idatas);
#if DEBUG_LEVEL
	if (foo) fprintf(stderr, "parse I val -> %d\n", foo); 
#endif

	values2temperature(Idatas, Fdatas);

	for (foo=0; foo<3; foo++) {
		sprintf(ligne, "%4d", Idatas[foo]);
		minidigit_affstr(stdscr, 12+(12*foo), 8, ligne);
		aff7segs_float(stdscr, 8+(12*foo), 55, Fdatas[foo]);
		}

	/* here we are trying to log all that temps values */
	if (NULL!=fp) {	
		temps = time(NULL);
		if ((temps-old_temps) > 50) {
			fprintf(fp, "%ld %f %f %f %f\n", temps,
				Fdatas[0], Fdatas[1], Fdatas[2], Fdatas[3]);
			fflush(fp);
			old_temps = temps;
			}
		}

	}

fclose(fp);

return 0;
}
/* --------------------------------------------------------------- */
static void finish(int signal)
{
endwin();       
fprintf(stderr, "end of pid %d\n", getpid());
exit(0);
}
/* --------------------------------------------------------------- */
void help(int k)
{
puts("options : ");
puts("\t-d\tserial device to read.");
puts("\t-v\tincrease verbosity.");
exit(0);
}
/* --------------------------------------------------------------- */

int main(int argc, char *argv[])
{
int		opt, foo;
int		serial_in;
char		*device = "/dev/ttyACM0";

while ((opt = getopt(argc, argv, "d:hv")) != -1) {
	switch (opt) {
		case 'd':	device = optarg;	break;
		case 'h':	help(0);		break;
		case 'v':	verbosity++;		break;
		default:				break;
		}
	}


serial_in = prepare_UART(device, 9600);
if (serial_in < 0) {
	fprintf(stderr, "%s : open device : error %d on %s\n",
				argv[0], serial_in, device);
	exit(1);
	}


initscr();
nonl();         cbreak();       noecho();
keypad(stdscr, TRUE);           /* acces aux touches 'curseur' */
fond_ecran(" Demonstrator ");

affiche_valeurs(serial_in, 5000000);

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


return 0;
}

/* --------------------------------------------------------------- */