/* $Id$ * $URL$ * * generic timer handling * * Copyright (C) 2003, 2004 Michael Reinelt * Copyright (C) 2004 The LCD4Linux Team * * 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 * * void timer_exit(); * release all timers * */ #include "config.h" #include #include #include #include #include #include "debug.h" #include "cfg.h" #include "timer.h" #ifdef WITH_DMALLOC #include #endif 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) { tv->tv_sec += msec / 1000; tv->tv_usec += (msec - 1000 * (msec / 1000)) * 1000; if (tv->tv_usec >= 1000000) { tv->tv_usec -= 1000000; tv->tv_sec++; } } 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, flag, 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 */ flag = 0; for (i = 0; i < nTimers; i++) { if (Timers[i].active == 0) continue; if (timercmp(&Timers[i].when, &now, <=)) { flag = 1; /* 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 { Timers[i].when = now; timer_inc(&Timers[i].when, Timers[i].interval); } } } /* find next timer */ flag = 1; min = -1; for (i = 0; i < nTimers; i++) { if (Timers[i].active == 0) continue; if (flag || timercmp(&Timers[i].when, &Timers[min].when, <)) { flag = 0; min = i; } } if (min < 0) { error("huh? not one single timer left? dazed and confused..."); return -1; } /* delay until next timer event */ delay->tv_sec = Timers[min].when.tv_sec - now.tv_sec; delay->tv_nsec = Timers[min].when.tv_usec - now.tv_usec; if (delay->tv_nsec < 0) { delay->tv_sec--; delay->tv_nsec += 1000000; } /* nanoseconds!! */ delay->tv_nsec *= 1000; return 0; } void timer_exit(void) { nTimers = 0; if (Timers != NULL) { free(Timers);; Timers = NULL; } } d='n31' href='#n31'>31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67
#channels.conf for DVB-T - Crystal Palace Transmitter

# Multiplex 1 BBC - Channel 25, Offset -, Freq 505833333
BBCi:505833333:INVERSION_OFF:BANDWIDTH_8_MHZ:FEC_3_4:FEC_NONE:QAM_16:TRANSMISSION_MODE_2K:GUARD_INTERVAL_1_32:HIERARCHY_NONE:0:0:4479
CBBC Channel:505833333:INVERSION_OFF:BANDWIDTH_8_MHZ:FEC_3_4:FEC_NONE:QAM_16:TRANSMISSION_MODE_2K:GUARD_INTERVAL_1_32:HIERARCHY_NONE:0:0:4671
BBC ONE:505833333:INVERSION_OFF:BANDWIDTH_8_MHZ:FEC_3_4:FEC_NONE:QAM_16:TRANSMISSION_MODE_2K:GUARD_INTERVAL_1_32:HIERARCHY_NONE:600:601
BBC TWO:505833333:INVERSION_OFF:BANDWIDTH_8_MHZ:FEC_3_4:FEC_NONE:QAM_16:TRANSMISSION_MODE_2K:GUARD_INTERVAL_1_32:HIERARCHY_NONE:610:611
BBC THREE:505833333:INVERSION_OFF:BANDWIDTH_8_MHZ:FEC_3_4:FEC_NONE:QAM_16:TRANSMISSION_MODE_2K:GUARD_INTERVAL_1_32:HIERARCHY_NONE:620:621
BBC NEWS 24:505833333:INVERSION_OFF:BANDWIDTH_8_MHZ:FEC_3_4:FEC_NONE:QAM_16:TRANSMISSION_MODE_2K:GUARD_INTERVAL_1_32:HIERARCHY_NONE:640:641

# Multiplex 2 Digital 3&4 - Channel 22, Offset -, Freq 481833333
Teletext:481833333:INVERSION_OFF:BANDWIDTH_8_MHZ:FEC_2_3:FEC_1_2:QAM_64:TRANSMISSION_MODE_2K:GUARD_INTERVAL_1_32:HIERARCHY_NONE:0:0
FourText:481833333:INVERSION_OFF:BANDWIDTH_8_MHZ:FEC_2_3:FEC_1_2:QAM_64:TRANSMISSION_MODE_2K:GUARD_INTERVAL_1_32:HIERARCHY_NONE:0:0
CHANNEL4:481833333:INVERSION_OFF:BANDWIDTH_8_MHZ:FEC_2_3:FEC_1_2:QAM_64:TRANSMISSION_MODE_2K:GUARD_INTERVAL_1_32:HIERARCHY_NONE:2827:2828
ITV NEWS:481833333:INVERSION_OFF:BANDWIDTH_8_MHZ:FEC_2_3:FEC_1_2:QAM_64:TRANSMISSION_MODE_2K:GUARD_INTERVAL_1_32:HIERARCHY_NONE:2850:2851
ITV 1:481833333:INVERSION_OFF:BANDWIDTH_8_MHZ:FEC_2_3:FEC_1_2:QAM_64:TRANSMISSION_MODE_2K:GUARD_INTERVAL_1_32:HIERARCHY_NONE:512:650
ITV 2:481833333:INVERSION_OFF:BANDWIDTH_8_MHZ:FEC_2_3:FEC_1_2:QAM_64:TRANSMISSION_MODE_2K:GUARD_INTERVAL_1_32:HIERARCHY_NONE:2818:2819
Ch 14:481833333:INVERSION_OFF:BANDWIDTH_8_MHZ:FEC_2_3:FEC_1_2:QAM_64:TRANSMISSION_MODE_2K:GUARD_INTERVAL_1_32:HIERARCHY_NONE:2840:2841

#Multiplex A SDN - Channel 32, Offset -, Frequency 561833333
ntl:561833333:INVERSION_OFF:BANDWIDTH_8_MHZ:FEC_2_3:FEC_1_2:QAM_64:TRANSMISSION_MODE_2K:GUARD_INTERVAL_1_32:HIERARCHY_NONE:0:0
Ch 15:561833333:INVERSION_OFF:BANDWIDTH_8_MHZ:FEC_2_3:FEC_1_2:QAM_64:TRANSMISSION_MODE_2K:GUARD_INTERVAL_1_32:HIERARCHY_NONE:0:660
BBC Radio 1:561833333:INVERSION_OFF:BANDWIDTH_8_MHZ:FEC_2_3:FEC_1_2:QAM_64:TRANSMISSION_MODE_2K:GUARD_INTERVAL_1_32:HIERARCHY_NONE:0:6210
BBC Radio 2:561833333:INVERSION_OFF:BANDWIDTH_8_MHZ:FEC_2_3:FEC_1_2:QAM_64:TRANSMISSION_MODE_2K:GUARD_INTERVAL_1_32:HIERARCHY_NONE:0:6226
BBC Radio 3:561833333:INVERSION_OFF:BANDWIDTH_8_MHZ:FEC_2_3:FEC_1_2:QAM_64:TRANSMISSION_MODE_2K:GUARD_INTERVAL_1_32:HIERARCHY_NONE:0:6242
BBC Radio 4:561833333:INVERSION_OFF:BANDWIDTH_8_MHZ:FEC_2_3:FEC_1_2:QAM_64:TRANSMISSION_MODE_2K:GUARD_INTERVAL_1_32:HIERARCHY_NONE:0:6258
QVC:561833333:INVERSION_OFF:BANDWIDTH_8_MHZ:FEC_2_3:FEC_1_2:QAM_64:TRANSMISSION_MODE_2K:GUARD_INTERVAL_1_32:HIERARCHY_NONE:6049:6050
FIVE:561833333:INVERSION_OFF:BANDWIDTH_8_MHZ:FEC_2_3:FEC_1_2:QAM_64:TRANSMISSION_MODE_2K:GUARD_INTERVAL_1_32:HIERARCHY_NONE:6017:6018
bid-up.tv:561833333:INVERSION_OFF:BANDWIDTH_8_MHZ:FEC_2_3:FEC_1_2:QAM_64:TRANSMISSION_MODE_2K:GUARD_INTERVAL_1_32:HIERARCHY_NONE:6273:6274
TV Travel Shop:561833333:INVERSION_OFF:BANDWIDTH_8_MHZ:FEC_2_3:FEC_1_2:QAM_64:TRANSMISSION_MODE_2K:GUARD_INTERVAL_1_32:HIERARCHY_NONE:6161:6161

#Multiplex B BBC - Channel 28, Offset -, Frequency 529833333
#Community                (0x4e00) 01: PCR 0x1fff
#703                      (0x4c80) 01: PCR 0x1fff
BBC PARLMNT:529833333:INVERSION_OFF:BANDWIDTH_8_MHZ:FEC_3_4:FEC_NONE:QAM_16:TRANSMISSION_MODE_2K:GUARD_INTERVAL_1_32:HIERARCHY_NONE:0:403
BBC FOUR:529833333:INVERSION_OFF:BANDWIDTH_8_MHZ:FEC_3_4:FEC_NONE:QAM_16:TRANSMISSION_MODE_2K:GUARD_INTERVAL_1_32:HIERARCHY_NONE:201:401
701:529833333:INVERSION_OFF:BANDWIDTH_8_MHZ:FEC_3_4:FEC_NONE:QAM_16:TRANSMISSION_MODE_2K:GUARD_INTERVAL_1_32:HIERARCHY_NONE:204:411
702:529833333:INVERSION_OFF:BANDWIDTH_8_MHZ:FEC_3_4:FEC_NONE:QAM_16:TRANSMISSION_MODE_2K:GUARD_INTERVAL_1_32:HIERARCHY_NONE:203:407
CBeebies:529833333:INVERSION_OFF:BANDWIDTH_8_MHZ:FEC_3_4:FEC_NONE:QAM_16:TRANSMISSION_MODE_2K:GUARD_INTERVAL_1_32:HIERARCHY_NONE:401:402
BBC Asian Net:529833333:INVERSION_OFF:BANDWIDTH_8_MHZ:FEC_3_4:FEC_NONE:QAM_16:TRANSMISSION_MODE_2K:GUARD_INTERVAL_1_32:HIERARCHY_NONE:0:435
1Xtra BBC:529833333:INVERSION_OFF:BANDWIDTH_8_MHZ:FEC_3_4:FEC_NONE:QAM_16:TRANSMISSION_MODE_2K:GUARD_INTERVAL_1_32:HIERARCHY_NONE:0:434
BBC 7:529833333:INVERSION_OFF:BANDWIDTH_8_MHZ:FEC_3_4:FEC_NONE:QAM_16:TRANSMISSION_MODE_2K:GUARD_INTERVAL_1_32:HIERARCHY_NONE:0:433
BBC 6 Music:529833333:INVERSION_OFF:BANDWIDTH_8_MHZ:FEC_3_4:FEC_NONE:QAM_16:TRANSMISSION_MODE_2K:GUARD_INTERVAL_1_32:HIERARCHY_NONE:0:432
BBC 5L SportsX:529833333:INVERSION_OFF:BANDWIDTH_8_MHZ:FEC_3_4:FEC_NONE:QAM_16:TRANSMISSION_MODE_2K:GUARD_INTERVAL_1_32:HIERARCHY_NONE:0:431
BBC R5 Live:529833333:INVERSION_OFF:BANDWIDTH_8_MHZ:FEC_3_4:FEC_NONE:QAM_16:TRANSMISSION_MODE_2K:GUARD_INTERVAL_1_32:HIERARCHY_NONE:0:430

# Multiplex C Crown Castle - Channel 34, Offset +, Frequency 578166666
UKHistory:578166666:INVERSION_OFF:BANDWIDTH_8_MHZ:FEC_3_4:FEC_NONE:QAM_16:TRANSMISSION_MODE_2K:GUARD_INTERVAL_1_32:HIERARCHY_NONE:401:402
Sky Travel:578166666:INVERSION_OFF:BANDWIDTH_8_MHZ:FEC_3_4:FEC_NONE:QAM_16:TRANSMISSION_MODE_2K:GUARD_INTERVAL_1_32:HIERARCHY_NONE:301:302
Sky Spts News:578166666:INVERSION_OFF:BANDWIDTH_8_MHZ:FEC_3_4:FEC_NONE:QAM_16:TRANSMISSION_MODE_2K:GUARD_INTERVAL_1_32:HIERARCHY_NONE:201:202
Sky News:578166666:INVERSION_OFF:BANDWIDTH_8_MHZ:FEC_3_4:FEC_NONE:QAM_16:TRANSMISSION_MODE_2K:GUARD_INTERVAL_1_32:HIERARCHY_NONE:101:102

# Multiplex D Crown Castle - Channel 29, Offset -, Freq 537833333
#UKBrightIdeas            (0x64c0) 01: PCR 0x1fff
THE HITS:537833333:INVERSION_OFF:BANDWIDTH_8_MHZ:FEC_3_4:FEC_NONE:QAM_16:TRANSMISSION_MODE_2K:GUARD_INTERVAL_1_32:HIERARCHY_NONE:101:102
TMF:537833333:INVERSION_OFF:BANDWIDTH_8_MHZ:FEC_3_4:FEC_NONE:QAM_16:TRANSMISSION_MODE_2K:GUARD_INTERVAL_1_32:HIERARCHY_NONE:201:202
CBM:537833333:INVERSION_OFF:BANDWIDTH_8_MHZ:FEC_3_4:FEC_NONE:QAM_16:TRANSMISSION_MODE_2K:GUARD_INTERVAL_1_32:HIERARCHY_NONE:501:502
Free2Play:537833333:INVERSION_OFF:BANDWIDTH_8_MHZ:FEC_3_4:FEC_NONE:QAM_16:TRANSMISSION_MODE_2K:GUARD_INTERVAL_1_32:HIERARCHY_NONE:0:0
Q:537833333:INVERSION_OFF:BANDWIDTH_8_MHZ:FEC_3_4:FEC_NONE:QAM_16:TRANSMISSION_MODE_2K:GUARD_INTERVAL_1_32:HIERARCHY_NONE:0:1901
Magic:537833333:INVERSION_OFF:BANDWIDTH_8_MHZ:FEC_3_4:FEC_NONE:QAM_16:TRANSMISSION_MODE_2K:GUARD_INTERVAL_1_32:HIERARCHY_NONE:0:1801
The Hits Radio:537833333:INVERSION_OFF:BANDWIDTH_8_MHZ:FEC_3_4:FEC_NONE:QAM_16:TRANSMISSION_MODE_2K:GUARD_INTERVAL_1_32:HIERARCHY_NONE:0:1701
BBC World Sv:537833333:INVERSION_OFF:BANDWIDTH_8_MHZ:FEC_3_4:FEC_NONE:QAM_16:TRANSMISSION_MODE_2K:GUARD_INTERVAL_1_32:HIERARCHY_NONE:0:1601
oneworld:537833333:INVERSION_OFF:BANDWIDTH_8_MHZ:FEC_3_4:FEC_NONE:QAM_16:TRANSMISSION_MODE_2K:GUARD_INTERVAL_1_32:HIERARCHY_NONE:0:1501
jazz fm:537833333:INVERSION_OFF:BANDWIDTH_8_MHZ:FEC_3_4:FEC_NONE:QAM_16:TRANSMISSION_MODE_2K:GUARD_INTERVAL_1_32:HIERARCHY_NONE:0:1401
Kerrang:537833333:INVERSION_OFF:BANDWIDTH_8_MHZ:FEC_3_4:FEC_NONE:QAM_16:TRANSMISSION_MODE_2K:GUARD_INTERVAL_1_32:HIERARCHY_NONE:0:1301
Smash Hits:537833333:INVERSION_OFF:BANDWIDTH_8_MHZ:FEC_3_4:FEC_NONE:QAM_16:TRANSMISSION_MODE_2K:GUARD_INTERVAL_1_32:HIERARCHY_NONE:0:1201
Kiss:537833333:INVERSION_OFF:BANDWIDTH_8_MHZ:FEC_3_4:FEC_NONE:QAM_16:TRANSMISSION_MODE_2K:GUARD_INTERVAL_1_32:HIERARCHY_NONE:0:1101