mirror of
https://github.com/DigitalDevices/dddvb.git
synced 2023-10-10 13:37:43 +02:00
264 lines
6.4 KiB
C
264 lines
6.4 KiB
C
#include "../include/linux/dvb/frontend.h"
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#include "src/libdddvb.h"
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#include <stdio.h>
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#include <string.h>
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#include <getopt.h>
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#include <stdint.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <stdlib.h>
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#include <stdint.h>
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static uint32_t root2gold(uint32_t root)
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{
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uint32_t x, g;
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for (g = 0, x = 1; g < 0x3ffff; g++) {
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if (root == x)
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return g;
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x = (((x ^ (x >> 7)) & 1) << 17) | (x >> 1);
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}
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return 0xffffffff;
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}
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int main(int argc, char **argv)
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{
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struct dddvb *dd;
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struct dddvb_fe *fe;
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struct dddvb_params p;
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uint32_t bandwidth = 8000000, frequency = 0, symbol_rate = 0, pol = DDDVB_UNDEF;
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uint32_t id = DDDVB_UNDEF, ssi = DDDVB_UNDEF, num = DDDVB_UNDEF, source = 0;
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uint32_t mtype= DDDVB_UNDEF;
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uint32_t verbosity = 0;
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enum fe_code_rate fec = FEC_AUTO;
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enum fe_delivery_system delsys = ~0;
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char *config = "config/";
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int fd = 0;
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int odvr = 0;
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FILE *fout = stdout;
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while (1) {
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int cur_optind = optind ? optind : 1;
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int option_index = 0;
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int c;
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static struct option long_options[] = {
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{"config", required_argument, 0, 'c'},
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{"frequency", required_argument, 0, 'f'},
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{"bandwidth", required_argument, 0, 'b'},
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{"symbolrate", required_argument, 0, 's'},
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{"source", required_argument, 0, 'l'},
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{"delsys", required_argument, 0, 'd'},
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{"id", required_argument, 0, 'i'},
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{"ssi", required_argument, 0, 'g'},
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{"gold", required_argument, 0, 'g'},
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{"root", required_argument, 0, 'r'},
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{"num", required_argument, 0, 'n'},
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{"mtype", required_argument, 0, 'm'},
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{"verbosity", required_argument, 0, 'v'},
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{"open_dvr", no_argument, 0, 'o'},
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{"help", no_argument , 0, 'h'},
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{0, 0, 0, 0}
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};
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c = getopt_long(argc, argv,
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"c:i:f:s:d:p:hg:r:n:b:l:v:m:o",
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long_options, &option_index);
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if (c==-1)
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break;
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switch (c) {
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case 'o':
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fout = stderr;
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fprintf(fout,"Reading from dvr\n");
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odvr = 1;
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break;
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case 'c':
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config = strdup(optarg);
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break;
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case 'f':
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frequency = strtoul(optarg, NULL, 0);
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break;
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case 'b':
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bandwidth = strtoul(optarg, NULL, 0);
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break;
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case 's':
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symbol_rate = strtoul(optarg, NULL, 0);
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break;
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case 'l':
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source = strtoul(optarg, NULL, 0);
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break;
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case 'v':
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verbosity = strtoul(optarg, NULL, 0);
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break;
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case 'g':
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ssi = strtoul(optarg, NULL, 0);
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break;
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case 'r':
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ssi = root2gold(strtoul(optarg, NULL, 0));
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break;
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case 'i':
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id = strtoul(optarg, NULL, 0);
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break;
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case 'n':
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num = strtoul(optarg, NULL, 0);
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break;
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case 'm':
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if (!strcmp(optarg, "16APSK"))
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mtype = APSK_16;
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if (!strcmp(optarg, "32APSK"))
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mtype = APSK_32;
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if (!strcmp(optarg, "64APSK"))
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mtype = APSK_64;
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if (!strcmp(optarg, "128APSK"))
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mtype = APSK_128;
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if (!strcmp(optarg, "256APSK"))
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mtype = APSK_256;
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if (mtype == DDDVB_UNDEF)
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printf("unknown mtype %s\n", optarg);
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break;
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case 'd':
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if (!strcmp(optarg, "C"))
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delsys = SYS_DVBC_ANNEX_A;
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if (!strcmp(optarg, "DVBC"))
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delsys = SYS_DVBC_ANNEX_A;
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if (!strcmp(optarg, "S"))
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delsys = SYS_DVBS;
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if (!strcmp(optarg, "DVBS"))
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delsys = SYS_DVBS;
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if (!strcmp(optarg, "S2"))
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delsys = SYS_DVBS2;
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if (!strcmp(optarg, "DVBS2"))
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delsys = SYS_DVBS2;
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if (!strcmp(optarg, "T"))
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delsys = SYS_DVBT;
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if (!strcmp(optarg, "DVBT"))
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delsys = SYS_DVBT;
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if (!strcmp(optarg, "T2"))
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delsys = SYS_DVBT2;
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if (!strcmp(optarg, "DVBT2"))
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delsys = SYS_DVBT2;
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if (!strcmp(optarg, "J83B"))
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delsys = SYS_DVBC_ANNEX_B;
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if (!strcmp(optarg, "ISDBC"))
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delsys = SYS_ISDBC;
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if (!strcmp(optarg, "ISDBT"))
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delsys = SYS_ISDBT;
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break;
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case 'p':
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if (!strcmp(optarg, "h"))
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pol = 1;
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if (!strcmp(optarg, "v"))
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pol = 0;
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break;
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case 'h':
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fprintf(fout,"ddzap [-d delivery_system] [-p polarity] [-c config_dir] [-f frequency(Hz)]\n"
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" [-b bandwidth(Hz)] [-s symbol_rate(Hz)]\n"
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" [-g gold_code] [-r root_code] [-i id] [-n device_num]\n"
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" [-o (write dvr to stdout)]\n"
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"\n"
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" delivery_system = C,S,S2,T,T2,J83B,ISDBC,ISDBT\n"
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" polarity = h,v\n"
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"\n");
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exit(-1);
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default:
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break;
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}
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}
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if (optind < argc) {
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fprintf(fout,"Warning: unused arguments\n");
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}
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if (delsys == ~0) {
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fprintf(fout,"You have to choose a delivery system: -d (C|S|S2|T|T2)\n");
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exit(-1);
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}
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switch (delsys) {
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case SYS_DVBC_ANNEX_A:
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if (!symbol_rate)
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symbol_rate = 6900000;
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break;
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}
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dd = dddvb_init(config, verbosity);
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if (!dd) {
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fprintf(fout,"dddvb_init failed\n");
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exit(-1);
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}
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fprintf(fout,"dvbnum = %u\n", dd->dvbfe_num);
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if (num != DDDVB_UNDEF)
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fe = dddvb_fe_alloc_num(dd, delsys, num);
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else
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fe = dddvb_fe_alloc(dd, delsys);
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if (!fe) {
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fprintf(fout,"dddvb_fe_alloc failed\n");
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exit(-1);
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}
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dddvb_param_init(&p);
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dddvb_set_mtype(&p, mtype);
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dddvb_set_frequency(&p, frequency);
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dddvb_set_src(&p, source);
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dddvb_set_bandwidth(&p, bandwidth);
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dddvb_set_symbol_rate(&p, symbol_rate);
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dddvb_set_polarization(&p, pol);
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dddvb_set_delsys(&p, delsys);
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dddvb_set_id(&p, id);
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dddvb_set_ssi(&p, ssi);
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dddvb_dvb_tune(fe, &p);
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#if 0
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{
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uint8_t ts[188];
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dddvb_ca_write(dd, 0, ts, 188);
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}
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#endif
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if (!odvr){
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while (1) {
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fe_status_t stat;
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int64_t str, cnr;
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stat = dddvb_get_stat(fe);
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str = dddvb_get_strength(fe);
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cnr = dddvb_get_cnr(fe);
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printf("stat=%02x, str=%lld.%03llddB, snr=%lld.%03llddB \n",
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stat, str/1000, abs(str%1000), cnr/1000, abs(cnr%1000));
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sleep(1);
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}
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} else {
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#define BUFFSIZE (1024*188)
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fe_status_t stat;
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char filename[150];
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uint8_t buf[BUFFSIZE];
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stat = 0;
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stat = dddvb_get_stat(fe);
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while (!(stat == 0x1f)) {
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int64_t str, cnr;
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stat = dddvb_get_stat(fe);
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str = dddvb_get_strength(fe);
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cnr = dddvb_get_cnr(fe);
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printf("stat=%02x, str=%lld.%03llddB, snr=%lld.%03llddB \n",
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stat, str/1000, abs(str%1000), cnr/1000, abs(cnr%1000));
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sleep(1);
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}
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fprintf(stderr,"got lock on %s\n", fe->name);
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snprintf(filename,25,
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"/dev/dvb/adapter%d/dvr%d",fe->anum, fe->fnum);
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fprintf(stderr,"opening %s\n", filename);
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if ((fd = open(filename ,O_RDONLY)) < 0){
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fprintf(stderr,"Error opening input file:%s\n",filename);
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}
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while(1){
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read(fd,buf,BUFFSIZE);
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write(fileno(stdout),buf,BUFFSIZE);
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}
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}
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}
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