// Part of dump1090, a Mode S message decoder for RTLSDR devices. // // sdr_stub.c: generic SDR infrastructure, stubbed out to do nothing // // Copyright (c) 2021 FlightAware LLC // // This file is free software: you may copy, redistribute and/or modify it // under the terms of the GNU General Public License as published by the // Free Software Foundation, either version 2 of the License, or (at your // option) any later version. // // This file 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, see . #include "dump1090.h" void sdrInitConfig() { /* nothing */ } void sdrShowHelp() { /* nothing */ } bool sdrHandleOption(int argc, char **argv, int *jptr) { MODES_NOTUSED(argc); MODES_NOTUSED(argv); MODES_NOTUSED(jptr); return false; } bool sdrOpen() { return false; } void sdrRun() { /* nothing */ } void sdrStop() { /* nothing */ } void sdrClose() { /* nothing */ } void sdrMonitor() { /* nothing */ } void sdrUpdateCPUTime(struct timespec *addTo) { MODES_NOTUSED(addTo); } int sdrGetGain() { return -1; } int sdrGetMaxGain() { return -1; } double sdrGetGainDb(int step) { MODES_NOTUSED(step); return 0.0; } int sdrSetGain(int step) { MODES_NOTUSED(step); return -1; }