first version of ncurses waterfall
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@ -1,21 +1,23 @@
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# --------------- ***
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COPT = -Wall -g -DTRACE=0
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# --------------- ***
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ecran.o: ecran.c Makefile ecran.h
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gcc -Wall -c $<
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gcc $(COPT) -c $<
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7segments.o: 7segments.c Makefile
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gcc -Wall -c $<
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gcc $(COPT) -c $<
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waterfall.o: waterfall.c Makefile
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gcc -Wall -c $<
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gcc $(COPT) -c $<
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# --------------- ***
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OBJ = ecran.o waterfall.o 7segments.o
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t: t.c Makefile $(OBJ) ecran.h
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gcc -Wall $< $(OBJ) -lncurses -o $@
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gcc $(COPT) $< $(OBJ) -lncurses -o $@
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# --------------- ***
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@ -1,6 +1,6 @@
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#include <stdio.h>
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#include <stdlib.h>
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#include <strings.h>
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#include <string.h>
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#include <getopt.h>
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#include <ncurses.h>
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@ -21,16 +21,21 @@ standend();
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/* refresh(); */
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}
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/* ---------------------------------------------------------------- */
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int fond_ecran(void)
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int fond_ecran(char *title)
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{
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char *tp;
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#if TRACE
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int foo;
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char buffer[200];
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#endif
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tp = " DD2 MONITORING by tTh 2019 ";
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if (NULL != title) tp = title;
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barre_inverse('+', 0);
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standout();
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mvaddstr(0, 2, " DD2 MONITORING by tTh 2019 ");
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mvaddstr(0, 2, tp);
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#if TRACE
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sprintf(buffer, " ecran %dx%d ", COLS, LINES);
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foo = strlen(buffer);
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@ -39,12 +44,6 @@ mvaddstr(0, COLS-2-foo, buffer);
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standend();
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refresh();
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#if TRACE
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fprintf(stderr, "HAUT %3d\n", HAUT);
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fprintf(stderr, "HAUT_1 %3d BARRE_1 %3d\n", HAUT_1, BARRE_1);
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fprintf(stderr, "HAUT_2 %3d BARRE_2 %3d\n", HAUT_2, BARRE_2);
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#endif
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return 0;
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}
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/* ---------------------------------------------------------------- */
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@ -1,6 +1,8 @@
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int fond_ecran(void);
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int fond_ecran(char *titre);
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WINDOW * open_waterfall(char *title, int flags);
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int plot_waterfall(WINDOW *wf, int flags, float values[4]);
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int close_waterfall(WINDOW *wf, int notused);
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@ -12,20 +12,36 @@ int verbosity;
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/* ---------------------------------------------------------------- */
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void demo(int nbl, int k)
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{
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int loop;
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char line[100];
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WINDOW *water;
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int loop, foo;
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char line[100];
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WINDOW *water;
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static float rvals[4];
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water = open_waterfall("premier essai", 0);
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for (loop=0; loop<nbl; loop++) {
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sprintf(line, "%04X %04X", loop, rand()&0xffff);
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mvaddstr(5, 5, line);
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sprintf(line, "%04X %04X", loop, rand()&0xffff);
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mvwaddstr(stdscr, LINES-1, 1, line);
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wrefresh(stdscr);
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sleep(1);
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refresh();
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for (foo=0; foo<4; foo++) {
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if (rand()%100<42) {
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rvals[foo] += 3.8*(foo + 1);
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}
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if (rvals[foo] > 1023.0) {
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rvals[foo] = (float)(rand() % 15);
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}
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}
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plot_waterfall(water, 1, rvals);
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if (rand()%10 < 1) sleep(1);
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}
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close_waterfall(water, 0);
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}
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/* ---------------------------------------------------------------- */
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static void finish(int signal)
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@ -59,9 +75,9 @@ nonl(); cbreak(); noecho();
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keypad(stdscr, TRUE); /* acces aux touches 'curseur' */
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fond_ecran();
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fond_ecran(" Demonstrator ");
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demo(1024, 0);
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demo(9000, 0);
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/*
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* plop, on a fini, restaurer la console
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@ -22,26 +22,72 @@ WINDOW *open_waterfall(char *title, int flags)
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WINDOW *win;
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int l, c, w, h;
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l = 2; c = 1;
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w = COLS - 2; h = LINES -3;
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l = 1; c = 1;
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w = COLS - 2; h = LINES - 3;
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win = newwin(h, w, l, c);
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scrollok(win, 1);
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waddstr(win, title); waddch(win, '\n');
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wrefresh(win);
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return win;
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}
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/* ---------------------------------------------------------------- */
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int plot_waterfall(WINDOW *wf, float values[4])
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int plot_waterfall(WINDOW *wf, int mode, float values[4])
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{
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#define TL 1000
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int foo;
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char tag, ligne[TL+1];
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int foo, idx;
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char tag, ligne[TL+1];
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float coef_w;
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static long iter;
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for(foo=0; foo<TL; foo++) *(ligne+foo) = '-';
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for(foo=0; foo<4; foo++) {
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tag = "ATOX"[foo];
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if (0 == (iter%10)) {
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memset(ligne, '-', TL);
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}
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else {
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memset(ligne, ' ', TL);
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}
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for (foo=0; foo<500; foo+=10) {
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ligne[foo] = '|';
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}
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ligne[COLS-4] = '\0';
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iter++;
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coef_w = (float)(COLS-2) / 1024.0;
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#if TRACE
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sprintf(ligne, "coef_w = %f\n", coef_w);
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waddstr(wf, ligne); waddch(wf, '\n');
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#endif
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switch (mode) {
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case 0: default:
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sprintf(ligne, "%11.3f %11.3f %11.3f %11.3f",
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values[0], values[1], values[2], values[3]);
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#if TRACE
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fprintf(stderr, "%s [%s]\n", __func__, ligne);
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#endif
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break;
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case 1:
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for(foo=0; foo<4; foo++) {
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tag = "ATOX"[foo];
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idx = (int)(values[foo]*coef_w);
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ligne[idx] = tag;
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}
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ligne[COLS-4] = '\0';
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break;
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}
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/* poke the text in the curses window */
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// scroll(wf);
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waddstr(wf, ligne); waddch(wf, '\n');
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wrefresh(wf);
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return -1;
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}
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