Restructure: Move sdr from common code to 'libsdr'
This commit is contained in:
Andreas Eversberg
262
src/libsdr/sdr_config.c
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262
src/libsdr/sdr_config.c
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/* Config for SDR
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*
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* (C) 2017 by Andreas Eversberg <jolly@eversberg.eu>
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* All Rights Reserved
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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enum paging_signal;
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdint.h>
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#include <getopt.h>
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#include "../common/sample.h"
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#include "sdr.h"
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#include "sdr_config.h"
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static int got_init = 0;
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extern int use_sdr;
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sdr_config_t *sdr_config = NULL;
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void sdr_config_init(void)
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{
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sdr_config = calloc(1, sizeof(*sdr_config));
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memset(sdr_config, 0, sizeof(*sdr_config));
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sdr_config->device_args = "";
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sdr_config->stream_args = "";
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sdr_config->tune_args = "";
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got_init = 1;
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}
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void sdr_config_print_help(void)
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{
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printf("\nSDR options:\n");
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/* - - */
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#ifdef HAVE_UHD
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printf(" --sdr-uhd\n");
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printf(" Force UHD driver\n");
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#endif
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#ifdef HAVE_SOAPY
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printf(" --sdr-soapy\n");
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printf(" Force SoapySDR driver\n");
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#endif
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printf(" --sdr-channel <channel #>\n");
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printf(" Give channel number for multi channel SDR device (default = %d)\n", sdr_config->channel);
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printf(" --sdr-device-args <args>\n");
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printf(" --sdr-stream-args <args>\n");
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printf(" --sdr-tune-args <args>\n");
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printf(" Optional SDR device arguments, seperated by comma\n");
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printf(" e.g. --sdr-device-args <key>=<value>[,<key>=<value>[,...]]\n");
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printf(" --sdr-samplerate <samplerate>\n");
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printf(" Sample rate to use with SDR. By default it equals the regular sample\n");
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printf(" rate.\n");
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printf(" --sdr-bandwidth <bandwidth>\n");
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printf(" Give IF filter bandwidth to use. If not, sample rate is used.\n");
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printf(" --sdr-rx-antenna <name>\n");
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printf(" SDR device's RX antenna name, use 'list' to get a list\n");
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printf(" --sdr-tx-antenna <name>\n");
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printf(" SDR device's TX antenna name, use 'list' to get a list\n");
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printf(" --sdr-rx-gain <gain>\n");
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printf(" SDR device's RX gain in dB (default = %.1f)\n", sdr_config->rx_gain);
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printf(" --sdr-tx-gain <gain>\n");
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printf(" SDR device's TX gain in dB (default = %.1f)\n", sdr_config->tx_gain);
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printf(" --write-iq-rx-wave <file>\n");
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printf(" Write received IQ data to given wave file.\n");
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printf(" --write-iq-tx-wave <file>\n");
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printf(" Write transmitted IQ data to given wave file.\n");
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printf(" --read-iq-rx-wave <file>\n");
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printf(" Replace received IQ data by given wave file.\n");
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printf(" --read-iq-tx-wave <file>\n");
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printf(" Replace transmitted IQ data by given wave file.\n");
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printf(" --sdr-swap-links\n");
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printf(" Swap RX and TX frequencies for loopback tests over the air.\n");
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#ifdef HAVE_UHD
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printf(" --sdr-uhd-tx-timestamps\n");
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printf(" Use TX timestamps on UHD device. (May not work with some devices!)\n");
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#endif
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}
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void sdr_config_print_hotkeys(void)
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{
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printf("Press 'q' key to toggle display of RX I/Q vector.\n");
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printf("Press 's' key to toggle display of RX spectrum.\n");
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}
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#define OPT_SDR_UHD 1500
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#define OPT_SDR_SOAPY 1501
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#define OPT_SDR_CHANNEL 1502
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#define OPT_SDR_DEVICE_ARGS 1503
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#define OPT_SDR_STREAM_ARGS 1504
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#define OPT_SDR_TUNE_ARGS 1505
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#define OPT_SDR_RX_ANTENNA 1506
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#define OPT_SDR_TX_ANTENNA 1507
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#define OPT_SDR_RX_GAIN 1508
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#define OPT_SDR_TX_GAIN 1509
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#define OPT_SDR_SAMPLERATE 1510
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#define OPT_SDR_BANDWIDTH 1511
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#define OPT_WRITE_IQ_RX_WAVE 1512
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#define OPT_WRITE_IQ_TX_WAVE 1513
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#define OPT_READ_IQ_RX_WAVE 1514
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#define OPT_READ_IQ_TX_WAVE 1515
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#define OPT_SDR_SWAP_LINKS 1516
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#define OPT_SDR_UHD_TX_TS 1517
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struct option sdr_config_long_options[] = {
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{"sdr-uhd", 0, 0, OPT_SDR_UHD},
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{"sdr-soapy", 0, 0, OPT_SDR_SOAPY},
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{"sdr-channel", 1, 0, OPT_SDR_CHANNEL},
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{"sdr-device-args", 1, 0, OPT_SDR_DEVICE_ARGS},
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{"sdr-stream-args", 1, 0, OPT_SDR_STREAM_ARGS},
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{"sdr-tune-args", 1, 0, OPT_SDR_TUNE_ARGS},
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{"sdr-samplerate", 1, 0, OPT_SDR_SAMPLERATE},
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{"sdr-bandwidth", 1, 0, OPT_SDR_BANDWIDTH},
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{"sdr-rx-antenna", 1, 0, OPT_SDR_RX_ANTENNA},
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{"sdr-tx-antenna", 1, 0, OPT_SDR_TX_ANTENNA},
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{"sdr-rx-gain", 1, 0, OPT_SDR_RX_GAIN},
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{"sdr-tx-gain", 1, 0, OPT_SDR_TX_GAIN},
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{"write-iq-rx-wave", 1, 0, OPT_WRITE_IQ_RX_WAVE},
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{"write-iq-tx-wave", 1, 0, OPT_WRITE_IQ_TX_WAVE},
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{"read-iq-rx-wave", 1, 0, OPT_READ_IQ_RX_WAVE},
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{"read-iq-tx-wave", 1, 0, OPT_READ_IQ_TX_WAVE},
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{"sdr-swap-links", 0, 0, OPT_SDR_SWAP_LINKS},
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{"sdr-uhd-tx-timestamps", 0, 0, OPT_SDR_UHD_TX_TS},
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{0, 0, 0, 0}
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};
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const char *sdr_config_optstring = "";
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int sdr_config_opt_switch(int c, int *skip_args)
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{
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switch (c) {
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case OPT_SDR_UHD:
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#ifdef HAVE_UHD
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sdr_config->uhd = 1;
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use_sdr = 1;
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#else
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fprintf(stderr, "UHD SDR support not compiled in!\n");
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exit(0);
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#endif
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*skip_args += 1;
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break;
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case OPT_SDR_SOAPY:
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#ifdef HAVE_SOAPY
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sdr_config->soapy = 1;
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use_sdr = 1;
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#else
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fprintf(stderr, "SoapySDR support not compiled in!\n");
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exit(0);
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#endif
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*skip_args += 1;
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break;
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case OPT_SDR_CHANNEL:
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sdr_config->channel = atoi(optarg);
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*skip_args += 2;
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break;
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case OPT_SDR_DEVICE_ARGS:
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sdr_config->device_args = strdup(optarg);
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*skip_args += 2;
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break;
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case OPT_SDR_STREAM_ARGS:
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sdr_config->stream_args = strdup(optarg);
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*skip_args += 2;
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break;
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case OPT_SDR_TUNE_ARGS:
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sdr_config->tune_args = strdup(optarg);
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*skip_args += 2;
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break;
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case OPT_SDR_SAMPLERATE:
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sdr_config->samplerate = atoi(optarg);
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*skip_args += 2;
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break;
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case OPT_SDR_BANDWIDTH:
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sdr_config->bandwidth = atof(optarg);
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*skip_args += 2;
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break;
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case OPT_SDR_RX_ANTENNA:
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sdr_config->rx_antenna = strdup(optarg);
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*skip_args += 2;
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break;
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case OPT_SDR_TX_ANTENNA:
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sdr_config->tx_antenna = strdup(optarg);
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*skip_args += 2;
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break;
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case OPT_SDR_RX_GAIN:
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sdr_config->rx_gain = atof(optarg);
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*skip_args += 2;
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break;
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case OPT_SDR_TX_GAIN:
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sdr_config->tx_gain = atof(optarg);
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*skip_args += 2;
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break;
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case OPT_WRITE_IQ_RX_WAVE:
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sdr_config->write_iq_rx_wave = strdup(optarg);
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*skip_args += 2;
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break;
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case OPT_WRITE_IQ_TX_WAVE:
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sdr_config->write_iq_tx_wave = strdup(optarg);
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*skip_args += 2;
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break;
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case OPT_READ_IQ_RX_WAVE:
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sdr_config->read_iq_rx_wave = strdup(optarg);
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*skip_args += 2;
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break;
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case OPT_READ_IQ_TX_WAVE:
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sdr_config->read_iq_tx_wave = strdup(optarg);
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*skip_args += 2;
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break;
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case OPT_SDR_SWAP_LINKS:
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sdr_config->swap_links = 1;
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*skip_args += 1;
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break;
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case OPT_SDR_UHD_TX_TS:
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sdr_config->uhd_tx_timestamps = 1;
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*skip_args += 1;
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break;
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default:
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return -1;
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}
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return 0;
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}
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int sdr_configure(int samplerate)
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{
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if (!got_init) {
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fprintf(stderr, "sdr_config_init was not called, please fix!\n");
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abort();
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}
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/* no sdr selected -> return 0 */
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if (!sdr_config->uhd && !sdr_config->soapy)
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return 0;
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if ((sdr_config->uhd == 1 && sdr_config->soapy == 1)) {
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fprintf(stderr, "You must choose which one you want: --sdr-uhd or --sdr-soapy\n");
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exit(0);
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}
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if (sdr_config->samplerate == 0)
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sdr_config->samplerate = samplerate;
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if (sdr_config->bandwidth == 0.0)
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sdr_config->bandwidth = (double)sdr_config->samplerate;
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/* sdr selected -> return 1 */
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return 1;
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}
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