se-Varberg_Grimeton « dvb-t - dtv-scan-tables.git - Digital TV scan tables

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# Sweden - Varberg/Grimeton
# T freq bw fec_hi fec_lo mod transmission-mode guard-interval hierarchy
T 474000000 8MHz 3/4 NONE QAM64 8k 1/4 NONE
T 530000000 8MHz 3/4 NONE QAM64 8k 1/4 NONE
T 610000000 8MHz 3/4 NONE QAM64 8k 1/4 NONE
T 666000000 8MHz 3/4 NONE QAM64 8k 1/4 NONE

ight .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 */

# Australia / Mackay (Mt Blackwood transmitters)
# aufreq=((UHF channel number)*8+306)

# ABC
[CHANNEL]
	DELIVERY_SYSTEM = DVBT
	FREQUENCY = 212500000
	BANDWIDTH_HZ = 7000000
	CODE_RATE_HP = 3/4
	CODE_RATE_LP = NONE
	MODULATION = QAM/64
	TRANSMISSION_MODE = 8K
	GUARD_INTERVAL = 1/16
	HIERARCHY = NONE
	INVERSION = AUTO

# Seven Network
[CHANNEL]
	DELIVERY_SYSTEM = DVBT
	FREQUENCY = 205500000
	BANDWIDTH_HZ = 7000000
	CODE_RATE_HP = 3/4
	CODE_RATE_LP = NONE
	MODULATION = QAM/64
	TRANSMISSION_MODE = 8K
	GUARD_INTERVAL = 1/8
	HIERARCHY = NONE
	INVERSION = AUTO

# WIN Digital
[CHANNEL]
	DELIVERY_SYSTEM = DVBT
	FREQUENCY = 578500000
	BANDWIDTH_HZ = 7000000
	CODE_RATE_HP = 3/4
	CODE_RATE_LP = NONE
	MODULATION = QAM/64
	TRANSMISSION_MODE = 8K
	GUARD_INTERVAL = 1/16
	HIERARCHY = NONE
	INVERSION = AUTO

# Southern Cross Ten
[CHANNEL]
	DELIVERY_SYSTEM = DVBT
	FREQUENCY = 557500000
	BANDWIDTH_HZ = 7000000
	CODE_RATE_HP = 3/4
	CODE_RATE_LP = NONE
	MODULATION = QAM/64
	TRANSMISSION_MODE = 8K
	GUARD_INTERVAL = 1/16
	HIERARCHY = NONE
	INVERSION = AUTO

# SBS
[CHANNEL]
	DELIVERY_SYSTEM = DVBT
	FREQUENCY = 536500000
	BANDWIDTH_HZ = 7000000
	CODE_RATE_HP = 2/3
	CODE_RATE_LP = NONE
	MODULATION = QAM/64
	TRANSMISSION_MODE = 8K
	GUARD_INTERVAL = 1/8
	HIERARCHY = NONE
	INVERSION = AUTO

-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 */

/* $Id$
 * $URL$
 *
 * generic timer handling
 *
 * Copyright (C) 2003, 2004 Michael Reinelt <michael@reinelt.co.at>
 * Copyright (C) 2004 The LCD4Linux Team <lcd4linux-devel@users.sourceforge.net>
 *
 * This program 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.
 *
 * This program 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 timer_add (void(*callback)(void *data), void *data, int interval, int one_shot);
 *   adds a timer to the queue
 *
 * int timer_process (struct timespec *delay);
 *   process timer queue
 *
 * int timer_remove(void (*callback) (void *data), void *data);
 *   remove a timer with given callback and data
 *
 * int timer_add_late(void (*callback) (void *data), void *data, const int interval, const int one_shot)
 *   same as timer_add, but the one shot does not fire now (useful for scheduling things)
 *
 * void timer_exit();
 *   release all timers
 *
 */


#include "config.h"

#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <sys/time.h>
#include <time.h>

#include "debug.h"
#include "cfg.h"
#include "timer.h"

#ifdef WITH_DMALLOC
#include <dmalloc.h>
#endif

#define CLOCK_SKEW_DETECT_TIME_IN_S 1

typedef struct TIMER {
    void (*callback) (void *data);
    void *data;
    struct timeval when;
    int interval;
    int one_shot;
    int active;
} TIMER;


TIMER *Timers = NULL;
int nTimers = 0;


static void timer_inc(struct timeval *tv, const int msec)
{
    struct timeval diff = {
	.tv_sec = msec / 1000,
	.tv_usec = (msec % 1000) * 1000
    };

    timeradd(tv, &diff, tv);
}

int timer_remove(void (*callback) (void *data), void *data)
{
    int i;
    for (i = 0; i < nTimers; i++) {
	if (Timers[i].callback == callback && Timers[i].data == data && Timers[i].active) {
	    Timers[i].active = 0;
	    return 0;
	}
    }
    return -1;
}

int timer_add_late(void (*callback) (void *data), void *data, const int interval, const int one_shot)
{
    if (!timer_add(callback, data, interval, 1)) {
	return -1;
    }
    if (one_shot) {
	return 0;
    }
    int i;
    for (i = 0; i < nTimers; i++) {
	if (Timers[i].callback == callback && Timers[i].data == data && Timers[i].active
	    && Timers[i].interval == interval && Timers[i].one_shot) {
	    //we forced it to one_shot when adding to make it late (which gives us the alternate behavior)
	    Timers[i].one_shot = one_shot;
	    return 0;
	}
    }

    return -1;
}

int timer_add(void (*callback) (void *data), void *data, const int interval, const int one_shot)
{
    int i;
    struct timeval now;

    /* find a free slot */
    for (i = 0; i < nTimers; i++) {
	if (Timers[i].active == 0)
	    break;
    }

    /* none found, allocate a new slot */
    if (i >= nTimers) {
	nTimers++;
	Timers = realloc(Timers, nTimers * sizeof(*Timers));
    }

    gettimeofday(&now, NULL);

    /* fill slot */
    Timers[i].callback = callback;
    Timers[i].data = data;
    Timers[i].when = now;
    Timers[i].interval = interval;
    Timers[i].one_shot = one_shot;
    Timers[i].active = 1;

    /* if one-shot timer, don't fire now */
    if (one_shot) {
	timer_inc(&Timers[i].when, interval);
    }

    return 0;
}


int timer_process(struct timespec *delay)
{
    int i, min;
    struct timeval now;

    /* the current moment */
    gettimeofday(&now, NULL);

    /* sanity check */
    if (nTimers == 0) {
	error("huh? not one single timer to process? dazed and confused...");
	return -1;
    }

    /* process expired timers */
    for (i = 0; i < nTimers; i++) {
	if (Timers[i].active == 0)
	    continue;
	if (!timercmp(&Timers[i].when, &now, >)) {
	    /* callback */
	    if (Timers[i].callback != NULL) {
		Timers[i].callback(Timers[i].data);
	    }
	    /* respawn or delete timer */
	    if (Timers[i].one_shot) {
		Timers[i].active = 0;
	    } else {
		timer_inc(&Timers[i].when, Timers[i].interval);
	    }
	}
    }

    /* find next timer */
    min = -1;
    for (i = 0; i < nTimers; i++) {
	if (Timers[i].active == 0)
	    continue;
	if ((min < 0) || timercmp(&Timers[i].when, &Timers[min].when, <))
	    min = i;
    }

    if (min < 0) {
	error("huh? not one single timer left? dazed and confused...");
	return -1;
    }

    /* update the current moment to compensate for processing delay */
    gettimeofday(&now, NULL);

    /* delay until next timer event */
    struct timeval diff;
    timersub(&Timers[min].when, &now, &diff);

    /* for negative delays, directly trigger next update */
    if (diff.tv_sec < 0)
	timerclear(&diff);

    delay->tv_sec = diff.tv_sec;
    /* microseconds to nanoseconds!! */
    delay->tv_nsec = diff.tv_usec * 1000;

    /* check if date changed */
    if ((delay->tv_sec) > CLOCK_SKEW_DETECT_TIME_IN_S) {
	delay->tv_sec = 0;
	delay->tv_nsec = 0;
	info("Oops, clock skewed, update timestamp");
	gettimeofday(&now, NULL);
	Timers[min].when = now;
    }

    return 0;

}


void timer_exit(void)
{
    nTimers = 0;

    if (Timers != NULL) {
	free(Timers);;
	Timers = NULL;
    }
}