aboutsummaryrefslogtreecommitdiffstats
path: root/src/Utils.cpp
blob: a91077cc74b5d26264a3f8420d5acd4bc22d9672 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
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
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
/*
   Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
   Her Majesty the Queen in Right of Canada (Communications Research
   Center Canada)

   Copyright (C) 2015
   Matthias P. Braendli, matthias.braendli@mpb.li

    http://opendigitalradio.org
 */
/*
   This file is part of ODR-DabMod.

   ODR-DabMod 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 3 of the
   License, or (at your option) any later version.

   ODR-DabMod 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 ODR-DabMod.  If not, see <http://www.gnu.org/licenses/>.
 */

#include "Utils.h"
#include "GainControl.h"
#include <sys/prctl.h>
#include <pthread.h>

void printUsage(char* progName)
{
    FILE* out = stderr;

    fprintf(out, "Welcome to %s %s, compiled at %s, %s\n\n",
            PACKAGE,
#if defined(GITVERSION)
            GITVERSION,
#else
            VERSION,
#endif
            __DATE__, __TIME__);
    fprintf(out, "Usage with configuration file:\n");
    fprintf(out, "\t%s [-C] config_file.ini\n\n", progName);

    fprintf(out, "Usage with command line options:\n");
    fprintf(out, "\t%s"
            " input"
            " (-f filename | -u uhddevice -F frequency) "
            " [-G txgain]"
            " [-o offset]"
            " [-T filter_taps_file]"
            " [-a gain]"
            " [-c clockrate]"
            " [-g gainMode]"
            " [-h]"
            " [-l]"
            " [-m dabMode]"
            " [-r samplingRate]"
            "\n", progName);
    fprintf(out, "Where:\n");
    fprintf(out, "input:         ETI input filename (default: stdin), or\n");
    fprintf(out, "                  tcp://source:port for ETI-over-TCP input, or\n");
    fprintf(out, "                  zmq+tcp://source:port for ZMQ input.\n");
    fprintf(out, "-f name:       Use file output with given filename. (use /dev/stdout for standard output)\n");
    fprintf(out, "-u device:     Use UHD output with given device string. (use "" for default device)\n");
    fprintf(out, "-F frequency:  Set the transmit frequency when using UHD output. (mandatory option when using UHD)\n");
    fprintf(out, "-G txgain:     Set the transmit gain for the UHD driver (default: 0)\n");
    fprintf(out, "-o:            (UHD only) Set the timestamp offset added to the timestamp in the ETI. The offset is a double.\n");
    fprintf(out, "                  Specifying this option has two implications: It enables synchronous transmission,\n"
                 "                  requiring an external REFCLK and PPS signal and frames that do not contain a valid timestamp\n"
                 "                  get muted.\n\n");
    fprintf(out, "-T taps_file:  Enable filtering before the output, using the specified file containing the filter taps.\n");
    fprintf(out, "               Use 'default' as taps_file to use the internal taps.\n");
    fprintf(out, "-a gain:       Apply digital amplitude gain.\n");
    fprintf(out, "-c rate:       Set the DAC clock rate and enable Cic Equalisation.\n");
    fprintf(out, "-g gainmode:   Set computation gain mode: fix, max or var\n");
    fprintf(out, "-h:            Print this help.\n");
    fprintf(out, "-l:            Loop file when reach end of file.\n");
    fprintf(out, "-m mode:       Set DAB mode: (0: auto, 1-4: force).\n");
    fprintf(out, "-r rate:       Set output sampling rate (default: 2048000).\n\n");
}


void printVersion(void)
{
    FILE *out = stderr;

    fprintf(out, "Welcome to %s %s, compiled at %s, %s\n\n",
            PACKAGE, VERSION, __DATE__, __TIME__);
    fprintf(out,
            "    ODR-DabMod is copyright (C) Her Majesty the Queen in Right of Canada,\n"
            "    2009, 2010, 2011, 2012 Communications Research Centre (CRC),\n"
            "     and\n"
            "    Copyright (C) 2014, 2015 Matthias P. Braendli, matthias.braendli@mpb.li\n"
            "\n"
            "    http://opendigitalradio.org\n"
            "\n"
            "    ODR-DabMod is free software: you can redistribute it and/or modify it\n"
            "    under the terms of the GNU General Public License as published by the\n"
            "    Free Software Foundation, either version 3 of the License, or (at your\n"
            "    option) any later version.\n"
            "\n"
            "    ODR-DabMod is distributed in the hope that it will be useful, but\n"
            "    WITHOUT ANY WARRANTY; without even the implied warranty of\n"
            "    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU\n"
            "    General Public License for more details.\n"
            "\n"
            "    You should have received a copy of the GNU General Public License along\n"
            "    with ODR-DabMod.  If not, see <http://www.gnu.org/licenses/>.\n"
            "\n"
           );

}

int set_realtime_prio(int prio)
{
    // Set thread priority to realtime
    const int policy = SCHED_RR;
    sched_param sp;
    sp.sched_priority = sched_get_priority_min(policy) + prio;
    int ret = pthread_setschedparam(pthread_self(), policy, &sp);
    return ret;
}

void set_thread_name(const char *name)
{
    prctl(PR_SET_NAME,name,0,0,0);
}