DD2-monitor/viz/curses/7segments.c

/*
 *		DD2 Monitoring
 *
 *	ncurses seven segment display
 */

#include  <stdio.h>
#include  <stdlib.h>
#include  <strings.h>
#include  <ctype.h>
#include  <getopt.h>
#include  <ncurses.h>

#include  "ecran.h"

int	verbosity;

/* ---------------------------------------------------------------- */
int aff7segs_base(WINDOW * win, int lig, int col, int bits, int k)
{
int	numbit, mask;
int	foo;

for (foo=0; foo<9; foo++) {
	mvwhline(win, lig+foo, col, '~', 6);
	}

#define KC  '+'
#define KS  "++++"

wstandout(win);
for (numbit=0; numbit<8; numbit++) {
	mask = 1 << numbit;
	switch(mask & bits) {
		case 0x01:
			mvwaddstr(win, lig, col+1, KS);
			break;
		case 0x02:
			mvwaddch(win, lig+1, col+5, KC);
			mvwaddch(win, lig+2, col+5, KC);
			mvwaddch(win, lig+3, col+5, KC);
			break;
		case 0x04:
			mvwaddch(win, lig+5, col+5, KC);
			mvwaddch(win, lig+6, col+5, KC);
			mvwaddch(win, lig+7, col+5, KC);
			break;
		case 0x08:
			mvwaddstr(win, lig+8, col+1, KS);
			break;
		case 0x10:
			mvwaddch(win, lig+5, col, KC);
			mvwaddch(win, lig+6, col, KC);
			mvwaddch(win, lig+7, col, KC);
			break;
		case 0x20:
			mvwaddch(win, lig+1, col , KC);
			mvwaddch(win, lig+2, col , KC);
			mvwaddch(win, lig+3, col , KC);
			break;
		case 0x40:
			mvwaddstr(win, lig+4, col+1, KS);
			break;
		case 0x80:
			/* decimal point */
			mvwaddch(win, lig+7, col+2 , KC);
			mvwaddch(win, lig+7, col+3 , KC);
			mvwaddch(win, lig+8, col+2 , KC);
			mvwaddch(win, lig+8, col+3 , KC);
			break;

		}

	}
wstandend(win);

return 0;
}
/* ---------------------------------------------------------------- */
int aff7segs_digit(WINDOW * win, int lig, int col, char digit)
{
int		bits;

#if TRACE
fprintf(stderr, ">>> %s ( %p %d %d '%c' )\n", __func__,
			win, lig, col, digit);
#endif

if (isxdigit(digit))   digit = toupper(digit);

switch (digit) {
	case '0':	bits = 0x3f;		break;
	case '1':	bits = 0x06;		break;
	case '2':	bits = 0x5b;		break;
	case '3':	bits = 0x4f;		break;
	case '4':	bits = 0x66;		break;
	case '5':	bits = 0x6d;		break;
	case '6':	bits = 0x7d;		break;
	case '7':	bits = 0x07;		break;
	case '8':	bits = 0x7f;		break;
	case '9':	bits = 0x6f;		break;

	/* hexadecimal letters */
	case 'A':	bits = 0x77;		break;
	case 'B':	bits = 0x7c;		break;
	case 'C':	bits = 0x39;		break;
	case 'D':	bits = 0x5e;		break;
	case 'E':	bits = 0x79;		break;
	case 'F':	bits = 0x71;		break;

	case ' ':	bits = 0;		break;
	case '.':	bits = 0x80;		break;

	default:	bits = 0x09;		break;
	}

aff7segs_base(win, lig, col, bits, 0);

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