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Commit	Line	Data
	1	/*
	2	* piano.c - a piano emulator
	3	*
	4	* $FreeBSD: src/games/piano/piano.c,v 1.7 1999/12/12 03:22:37 billf Exp $
	5	* $DragonFly: src/games/piano/piano.c,v 1.2 2003/06/17 04:25:24 dillon Exp $
	6	*/
	7	#include <stdio.h>
	8	#include <stdlib.h>
	9	#include <string.h>
	10	#include <curses.h>
	11
	12	#include <unistd.h>
	13	#include <sys/file.h>
	14
	15	char *myname;
	16	int verbose;
	17	static char *initcmd = "t160 o1 l16 ml";
	18
	19	static char usage_msg[] =
	20	"simple keyboard player V0.8086\n"
	21	"usage: %s [-v][-i str]\n"
	22	"\t-i str defaults 't160 o1 l16 ml'\n"
	23	"function: play by console keyboard\n"
	24	"\tESC to exit. Note keys are ...\n"
	25	"\t1 2 4 5 7 8 9 - = \\\n"
	26	"\t Q W E R T Y U I O P [ ]\n"
	27	;
	28
	29	struct kdef_t {
	30	int ch;
	31	char *str;
	32	};
	33
	34	static char *kstr[256];
	35
	36	static struct kdef_t kdef[] = {
	37	/* white key */
	38	{ '\t', "<g>" },
	39	{ 'q', "<a>" },
	40	{ 'w', "<b>" },
	41	{ 'e', "c" },
	42	{ 'r', "d" },
	43	{ 't', "e" },
	44	{ 'y', "f" },
	45	{ 'u', "g" },
	46	{ 'i', "a" },
	47	{ 'o', "b" },
	48	{ 'p', ">c<" },
	49	{ '[', ">d<" },
	50	{ ']', ">e<" },
	51	{ '\n', ">f<" },
	52	{ '\r', ">f<" },
	53	/* black key */
	54	{ '`', "<f#>" },
	55	{ '1', "<g#>" },
	56	{ '2', "<a#>" },
	57	/{ '3', "<b#>" },/
	58	{ '4', "c#" },
	59	{ '5', "d#" },
	60	/{ '6', "e#" },/
	61	{ '7', "f#" },
	62	{ '8', "g#" },
	63	{ '9', "a#" },
	64	/{ '0', "b#" },/
	65	{ '-', ">c#<" },
	66	{ '=', ">d#<" },
	67	/{ '\', ">e#<" },/
	68	{ '\177', ">f#<" },
	69	{ '\0', NULL }
	70	};
	71
	72	static int
	73	init_kstr(void)
	74	{
	75	struct kdef_t *mv = kdef;
	76	while (mv->str != NULL) {
	77	kstr[mv->ch] = mv->str;
	78	mv++;
	79	}/* while */
	80	return 0;
	81	}/* init_kstr */
	82
	83	static int
	84	fdputs(const char *s, int fd, int echo)
	85	{
	86	int err, len = strlen(s);
	87	write(fd, s, len);
	88	err = write(fd, "\n", 1);
	89	if (echo) {
	90	fputs(s, stdout);
	91	}
	92	return err;
	93	}/* fdputs */
	94
	95	static int
	96	outspkr(const char *s)
	97	{
	98	int err = -1, fd = open("/dev/speaker", O_WRONLY);
	99	if (fd >= 0) {
	100	fdputs(initcmd, fd, 0);
	101	err = fdputs(s, fd, verbose);
	102	close(fd);
	103	}
	104	return err;
	105	}/* outspkr */
	106
	107	static int
	108	nain(void)
	109	{
	110	int ch;
	111	initscr();
	112	noecho();
	113	nonl();
	114	raw();
	115	init_kstr();
	116	while ((ch = getch()) != '\033') {
	117	if (kstr[ch] != NULL) {
	118	outspkr(kstr[ch]);
	119	}
	120	else {
	121	if (verbose) {
	122	switch (ch) {
	123	case ' ':
	124	fputs(" ", stdout);
	125	break;
	126	case '\b':
	127	fputs("\b", stdout);
	128	break;
	129	}/* switch */
	130	}
	131	}
	132	}/* while */
	133	endwin();
	134	return 0;
	135	}/* nain */
	136
	137	int
	138	main(int argc, char *argv[])
	139	{
	140	int ch, ex, show_usage = 0;
	141	myname = argv[0];
	142	while ((ch = getopt(argc, argv, "-vi:")) != -1) {
	143	switch (ch) {
	144	default:
	145	case 'V':
	146	show_usage++;
	147	break;
	148	case 'v':
	149	verbose++;
	150	break;
	151	case 'i':
	152	initcmd = optarg;
	153	break;
	154	}/* switch */
	155	}/* while */
	156	ex = 1;
	157	if (show_usage) {
	158	fprintf(stderr, usage_msg, myname);
	159	}
	160	else {
	161	printf("Type ESC to exit.\n");
	162	ex = 0;
	163	nain();
	164	}
	165	return ex;
	166	}/* main */