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# Sweden - �rebro
# T freq bw fec_hi fec_lo mod transmission-mode guard-interval hierarchy
T 586000000 8MHz 2/3 NONE QAM64 8k 1/8 NONE
T 538000000 8MHz 2/3 NONE QAM64 8k 1/8 NONE
T 506000000 8MHz 2/3 NONE QAM64 8k 1/8 NONE
T 698000000 8MHz 2/3 NONE QAM64 8k 1/8 NONE
T 746000000 8MHz 2/3 NONE QAM64 8k 1/8 NONE
-left: 5px; padding-right: 5px; } td.linenos .special { color: #000000; background-color: #ffffc0; padding-left: 5px; padding-right: 5px; } span.linenos.special { color: #000000; background-color: #ffffc0; padding-left: 5px; padding-right: 5px; } .highlight .hll { background-color: #ffffcc } .highlight .c { color: #888888 } /* Comment */ .highlight .err { color: #a61717; background-color: #e3d2d2 } /* Error */ .highlight .k { color: #008800; font-weight: bold } /* Keyword */ .highlight .ch { color: #888888 } /* Comment.Hashbang */ .highlight .cm { color: #888888 } /* Comment.Multiline */ .highlight .cp { color: #cc0000; font-weight: bold } /* Comment.Preproc */ .highlight .cpf { color: #888888 } /* Comment.PreprocFile */ .highlight .c1 { color: #888888 } /* Comment.Single */ .highlight .cs { color: #cc0000; font-weight: bold; background-color: #fff0f0 } /* Comment.Special */ .highlight .gd { color: #000000; background-color: #ffdddd } /* Generic.Deleted */ .highlight .ge { font-style: italic } /* Generic.Emph */ .highlight .gr { color: #aa0000 } /* Generic.Error */ .highlight .gh { color: #333333 } /* Generic.Heading */ .highlight .gi { color: #000000; background-color: #ddffdd } /* Generic.Inserted */ .highlight .go { color: #888888 } /* Generic.Output */ .highlight .gp { color: #555555 } /* Generic.Prompt */ .highlight .gs { font-weight: bold } /* Generic.Strong */ .highlight .gu { color: #666666 } /* Generic.Subheading */ .highlight .gt { color: #aa0000 } /* Generic.Traceback */ .highlight .kc { color: #008800; font-weight: bold } /* Keyword.Constant */ .highlight .kd { color: #008800; font-weight: bold } /* Keyword.Declaration */ .highlight .kn { color: #008800; font-weight: bold } /* Keyword.Namespace */ .highlight .kp { color: #008800 } /* Keyword.Pseudo */ .highlight .kr { color: #008800; font-weight: bold } /* Keyword.Reserved */ .highlight .kt { color: #888888; font-weight: bold } /* Keyword.Type */ .highlight .m { color: #0000DD; font-weight: bold } /* Literal.Number */ .highlight .s { color: #dd2200; background-color: #fff0f0 } /* Literal.String */ .highlight .na { color: #336699 } /* Name.Attribute */ .highlight .nb { color: #003388 } /* Name.Builtin */ .highlight .nc { color: #bb0066; font-weight: bold } /* Name.Class */ .highlight .no { color: #003366; font-weight: bold } /* Name.Constant */ .highlight .nd { color: #555555 } /* Name.Decorator */ .highlight .ne { color: #bb0066; font-weight: bold } /* Name.Exception */ .highlight .nf { color: #0066bb; font-weight: bold } /* Name.Function */ .highlight .nl { color: #336699; font-style: italic } /* Name.Label */ .highlight .nn { color: #bb0066; font-weight: bold } /* Name.Namespace */ .highlight .py { color: #336699; font-weight: bold } /* Name.Property */ .highlight .nt { color: #bb0066; font-weight: bold } /* Name.Tag */ .highlight .nv { color: #336699 } /* Name.Variable */ .highlight .ow { color: #008800 } /* Operator.Word */ .highlight .w { color: #bbbbbb } /* Text.Whitespace */ .highlight .mb { color: #0000DD; font-weight: bold } /* Literal.Number.Bin */ .highlight .mf { color: #0000DD; font-weight: bold } /* Literal.Number.Float */ .highlight .mh { color: #0000DD; font-weight: bold } /* Literal.Number.Hex */ .highlight .mi { color: #0000DD; font-weight: bold } /* Literal.Number.Integer */ .highlight .mo { color: #0000DD; font-weight: bold } /* Literal.Number.Oct */ .highlight .sa { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Affix */ .highlight .sb { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Backtick */ .highlight .sc { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Char */ .highlight .dl { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Delimiter */ .highlight .sd { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Doc */ .highlight .s2 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Double */ .highlight .se { color: #0044dd; background-color: #fff0f0 } /* Literal.String.Escape */ .highlight .sh { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Heredoc */ .highlight .si { color: #3333bb; background-color: #fff0f0 } /* Literal.String.Interpol */ .highlight .sx { color: #22bb22; background-color: #f0fff0 } /* Literal.String.Other */ .highlight .sr { color: #008800; background-color: #fff0ff } /* Literal.String.Regex */ .highlight .s1 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Single */ .highlight .ss { color: #aa6600; background-color: #fff0f0 } /* Literal.String.Symbol */ .highlight .bp { color: #003388 } /* Name.Builtin.Pseudo */ .highlight .fm { color: #0066bb; font-weight: bold } /* Name.Function.Magic */ .highlight .vc { color: #336699 } /* Name.Variable.Class */ .highlight .vg { color: #dd7700 } /* Name.Variable.Global */ .highlight .vi { color: #3333bb } /* Name.Variable.Instance */ .highlight .vm { color: #336699 } /* Name.Variable.Magic */ .highlight .il { color: #0000DD; font-weight: bold } /* Literal.Number.Integer.Long */
/* $Id: plugin_dvb.c,v 1.9 2005/05/08 04:32:44 reinelt Exp $
 *
 * plugin for DVB status
 *
 * Copyright (C) 2003 Michael Reinelt <reinelt@eunet.at>
 * Copyright (C) 2004 The LCD4Linux Team <lcd4linux-devel@users.sourceforge.net>
 *
 * 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.
 *
 *
 * $Log: plugin_dvb.c,v $
 * Revision 1.9  2005/05/08 04:32:44  reinelt
 * CodingStyle added and applied
 *
 * Revision 1.8  2005/01/18 06:30:23  reinelt
 * added (C) to all copyright statements
 *
 * Revision 1.7  2004/06/26 12:05:00  reinelt
 *
 * uh-oh... the last CVS log message messed up things a lot...
 *
 * Revision 1.6  2004/06/26 09:27:21  reinelt
 *
 * added '-W' to CFLAGS
 * changed all C++ comments to C ones
 * cleaned up a lot of signed/unsigned mistakes
 *
 * Revision 1.5  2004/06/17 06:23:43  reinelt
 *
 * hash handling rewritten to solve performance issues
 *
 * Revision 1.4  2004/03/14 07:11:42  reinelt
 * parameter count fixed for plugin_dvb()
 * plugin_APM (battery status) ported
 *
 * Revision 1.3  2004/03/03 03:47:04  reinelt
 * big patch from Martin Hejl:
 * - use qprintf() where appropriate
 * - save CPU cycles on gettimeofday()
 * - add quit() functions to free allocated memory
 * - fixed lots of memory leaks
 *
 * Revision 1.2  2004/02/16 13:03:37  reinelt
 * compile problem with missing frontend.h fixed
 *
 * Revision 1.1  2004/02/10 06:54:39  reinelt
 * DVB plugin ported
 *
 */

/* 
 * exported functions:
 *
 * int plugin_init_dvb (void)
 *  adds dvb() function
 *
 */

#include "config.h"

#include <stdlib.h>
#include <stdio.h>
#include <fcntl.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include <sys/ioctl.h>
#include <sys/types.h>
#include <asm/types.h>

#ifdef HAVE_LINUX_DVB_FRONTEND_H
#include <linux/dvb/frontend.h>
#else
#warning linux/dvb/frontend.h not found: using hardcoded ioctl definitions
#define FE_READ_BER                _IOR('o', 70, __u32)
#define FE_READ_SIGNAL_STRENGTH    _IOR('o', 71, __u16)
#define FE_READ_SNR                _IOR('o', 72, __u16)
#define FE_READ_UNCORRECTED_BLOCKS _IOR('o', 73, __u32)
#endif

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

static char *frontend = "/dev/dvb/adapter0/frontend0";

static HASH DVB;

static int get_dvb_stats(void)
{
    int age;
    int fd;
    unsigned short snr, sig;
    unsigned long ber, ucb;
    char val[16];

    /* reread every 1000 msec only */
    age = hash_age(&DVB, NULL);
    if (age > 0 && age <= 1000)
	return 0;

    /* open frontend */
    fd = open(frontend, O_RDONLY);
    if (fd == -1) {
	error("open(%s) failed: %s", frontend, strerror(errno));
	return -1;
    }

    if (ioctl(fd, FE_READ_SIGNAL_STRENGTH, &sig) != 0) {
	error("ioctl(FE_READ_SIGNAL_STRENGTH) failed: %s", strerror(errno));
	sig = 0;
    }

    if (ioctl(fd, FE_READ_SNR, &snr) != 0) {
	error("ioctl(FE_READ_SNR) failed: %s", strerror(errno));
	snr = 0;
    }

    if (ioctl(fd, FE_READ_BER, &ber) != 0) {
	error("ioctl(FE_READ_BER) failed: %s", strerror(errno));
	ber = 0;
    }

    if (ioctl(fd, FE_READ_UNCORRECTED_BLOCKS, &ucb) != 0) {
	error("ioctl(FE_READ_UNCORRECTED_BLOCKS) failed: %s", strerror(errno));
	ucb = 0;
    }

    close(fd);

    snprintf(val, sizeof(val), "%f", sig / 65535.0);
    hash_put(&DVB, "signal_strength", val);

    snprintf(val, sizeof(val), "%f", snr / 65535.0);
    hash_put(&DVB, "snr", val);

    snprintf(val, sizeof(val), "%lu", ber);
    hash_put(&DVB, "ber", val);

    snprintf(val, sizeof(val), "%lu", ucb);
    hash_put(&DVB, "uncorrected_blocks", val);

    return 0;
}


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

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

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

    SetResult(&result, R_STRING, val);
}


int plugin_init_dvb(void)
{
    hash_create(&DVB);
    AddFunction("dvb", 1, my_dvb);
    return 0;
}


void plugin_exit_dvb(void)
{
    hash_destroy(&DVB);
}