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/* $Id$
 * $URL$
 *
 * XMMS-Plugin for LCD4Linux
 * Copyright (C) 2003 Markus Keil <markus_keil@t-online.de>
 *
 * This file is part of LCD4Linux.
 *
 * LCD4Linux is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2, or (at your option)
 * any later version.
 *
 * LCD4Linux is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 */

/* 
 * exported functions:
 *
 * int plugin_init_xmms (void)
 *  adds parser for /tmp/xmms-info
 *
 */


/*
 * The Argument 'arg1' must be one of these Things (without brackets):
 *
 * 'Title' - The title of the current song
 * 'Status' - The status of XMMS (playing, pause, ...)
 * 'Tunes in playlist' - How many entries are in the playlist
 * 'Currently playing' - which playlist-entry is playing
 * 'uSecPosition' - The position of the title in seconds (usefull for bargraphs ;-) )
 * 'Position' - The position of the title in mm:ss
 * 'uSecTime' - The length of the current title in seconds
 * 'Time' - The length of the current title in mm:ss
 * 'Current bitrate' - The current bitrate in bit
 * 'Samping Frequency' - The current samplingfreqency in Hz
 * 'Channels' - The current number of audiochannels
 * 'File' - The full path of the current file
 * 
 * These arguments are case-sensitive
 */


#include "config.h"

#include <string.h>
#include <stdio.h>
#include <ctype.h>

#include "hash.h"
#include "debug.h"
#include "plugin.h"


static HASH xmms;


static int parse_xmms_info(void)
{
    int age;
    FILE *xmms_stream;
    char zeile[200];

    /* reread every 100msec only */
    age = hash_age(&xmms, NULL);
    if (age >= 0 && age <= 200)
	return 0;
    /* Open Filestream for '/tmp/xmms-info' */
    xmms_stream = fopen("/tmp/xmms-info", "r");

    /* Check for File */
    if (!xmms_stream) {
	error("Error: Cannot open XMMS-Info Stream! Is XMMS started?");
	return -1;
    }

    /* Read Lines from the Stream */
    while (fgets(zeile, sizeof(zeile), xmms_stream)) {
	char *c, *key, *val;
	c = strchr(zeile, ':');
	if (c == NULL)
	    continue;
	key = zeile;
	val = c + 1;
	/* strip leading blanks from key */
	while (isspace(*key))
	    *key++ = '\0';
	/* strip trailing blanks from key */
	do
	    *c = '\0';
	while (isspace(*--c));
	/* strip leading blanks from value */
	while (isspace(*val))
	    *val++ = '\0';
	/* strip trailing blanks from value */
	for (c = val; *c != '\0'; c++);
	while (isspace(*--c))
	    *c = '\0';
	hash_put(&xmms, key, val);
    }

    fclose(xmms_stream);
    return 0;

}

static void my_xmms(RESULT * result, RESULT * arg1)
{
    char *key, *val;

    if (parse_xmms_info() < 0) {
	SetResult(&result, R_STRING, "");
	return;
    }

    key = R2S(arg1);
    val = hash_get(&xmms, key, NULL);
    if (val == NULL)
	val = "";

    SetResult(&result, R_STRING, val);
}


int plugin_init_xmms(void)
{
    hash_create(&xmms);

    /* register xmms info */
    AddFunction("xmms", 1, my_xmms);

    return 0;
}

void plugin_exit_xmms(void)
{
    hash_destroy(&xmms);
}
an class="n">i = 0; i < len; i++) { drv_generic_serial_write(&data[i], 1); usleep(100); } } static void drv_Pertelian_clear(void) { char cmd[2]; cmd[0] = PERTELIAN_LCDCOMMAND; cmd[1] = 0x01; drv_Pertelian_send(cmd, 2); } static void drv_Pertelian_write(const int row, const int col, const char *data, int len) { char cmd[3]; cmd[0] = PERTELIAN_LCDCOMMAND; cmd[1] = ((rowoffset[row]) + (col)); drv_Pertelian_send(cmd, 2); drv_Pertelian_send(data, len); } static void drv_Pertelian_defchar(const int ascii, const unsigned char *matrix) { char cmd[11] = ""; int i; cmd[0] = PERTELIAN_LCDCOMMAND; cmd[1] = (0x40 + (8 * ascii)); for (i = 0; i < 8; i++) { cmd[i + 2] = matrix[i] & 0x1f; } drv_Pertelian_send(cmd, 10); } static int drv_Pertelian_backlight(int backlight) { char cmd[2]; if (backlight <= 0) backlight = 2; else if (backlight >= 1) backlight = 3; cmd[0] = PERTELIAN_LCDCOMMAND; cmd[1] = backlight; drv_Pertelian_send(cmd, 2); return backlight; } static int drv_Pertelian_start(const char *section) { int backlight; int rows = -1, cols = -1; char *s; char cmd[12] = ""; s = cfg_get(section, "Size", NULL); if (s == NULL || *s == '\0') { error("%s: no '%s.Size' entry from %s", Name, section, cfg_source()); return -1; } if (sscanf(s, "%dx%d", &cols, &rows) != 2 || rows < 1 || cols < 1) { error("%s: bad %s.Size '%s' from %s", Name, section, s, cfg_source()); free(s); return -1; } DROWS = rows; DCOLS = cols; /* open communication with the display */ if (drv_Pertelian_open(section) < 0) { return -1; } /* reset & initialize display */ cmd[0] = PERTELIAN_LCDCOMMAND; cmd[1] = 0x38; cmd[2] = PERTELIAN_LCDCOMMAND; cmd[3] = 0x06; cmd[4] = PERTELIAN_LCDCOMMAND; cmd[5] = 0x10; /* move cursor on data write */ cmd[6] = PERTELIAN_LCDCOMMAND; cmd[7] = 0x0c; cmd[8] = 0x0c; drv_Pertelian_send(cmd, 8); if (cfg_number(section, "Backlight", 0, 0, 1, &backlight) > 0) { drv_Pertelian_backlight(backlight); } drv_Pertelian_clear(); /* clear display */ return 0; } /****************************************/ /*** plugins ***/ /****************************************/ static void plugin_backlight(RESULT * result, RESULT * arg1) { double backlight = 0; backlight = drv_Pertelian_backlight(R2N(arg1)); SetResult(&result, R_NUMBER, &backlight); } /****************************************/ /*** widget callbacks ***/ /****************************************/ /* using drv_generic_text_draw(W) */ /* using drv_generic_text_icon_draw(W) */ /* using drv_generic_text_bar_draw(W) */ /* using drv_generic_gpio_draw(W) */ /****************************************/ /*** exported functions ***/ /****************************************/ /* list models */ int drv_Pertelian_list(void) { printf("Pertelian X2040 displays"); return 0; } /* initialize driver & display */ int drv_Pertelian_init(const char *section, const int quiet) { WIDGET_CLASS wc; int ret; info("%s: %s", Name, "$Rev$"); /* display preferences */ XRES = 5; /* pixel width of one char */ YRES = 8; /* pixel height of one char */ CHARS = 8; /* number of user-defineable characters */ CHAR0 = 0; /* ASCII of first user-defineable char */ GOTO_COST = 2; /* number of bytes a goto command requires */ /* real worker functions */ drv_generic_text_real_write = drv_Pertelian_write; drv_generic_text_real_defchar = drv_Pertelian_defchar; /* start display */ if ((ret = drv_Pertelian_start(section)) != 0) return ret; if (!quiet) { char buffer[40]; qprintf(buffer, sizeof(buffer), "%s %dx%d", Name, DCOLS, DROWS); if (drv_generic_text_greet(buffer, "LinITX.com")) { sleep(3); drv_Pertelian_clear(); } } /* initialize generic text driver */ if ((ret = drv_generic_text_init(section, Name)) != 0) return ret; /* initialize generic icon driver */ if ((ret = drv_generic_text_icon_init()) != 0) return ret; /* initialize generic bar driver */ if ((ret = drv_generic_text_bar_init(0)) != 0) return ret; /* add fixed chars to the bar driver */ drv_generic_text_bar_add_segment(0, 0, 255, 32); /* ASCII 32 = blank */ /* register text widget */ wc = Widget_Text; wc.draw = drv_generic_text_draw; widget_register(&wc); /* register icon widget */ wc = Widget_Icon; wc.draw = drv_generic_text_icon_draw; widget_register(&wc); /* register bar widget */ wc = Widget_Bar; wc.draw = drv_generic_text_bar_draw; widget_register(&wc); AddFunction("LCD::backlight", 1, plugin_backlight); return 0; } /* close driver & display */ int drv_Pertelian_quit(const int quiet) { info("%s: shutting down.", Name); drv_generic_text_quit(); /* clear display */ drv_Pertelian_clear(); /* say goodbye... */ if (!quiet) { drv_generic_text_greet("goodbye!", NULL); } drv_Pertelian_backlight(0); debug("closing connection"); drv_Pertelian_close(); return (0); } DRIVER drv_Pertelian = { .name = Name, .list = drv_Pertelian_list, .init = drv_Pertelian_init, .quit = drv_Pertelian_quit, };