kopia lustrzana https://github.com/ha7ilm/csdr
114 wiersze
3.7 KiB
C++
114 wiersze
3.7 KiB
C++
/*
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This software is part of libcsdr, a set of simple DSP routines for
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Software Defined Radio.
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Copyright (c) 2014, Andras Retzler <randras@sdr.hu>
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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* Neither the name of the copyright holder nor the
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names of its contributors may be used to endorse or promote products
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derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL ANDRAS RETZLER BE LIABLE FOR ANY
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DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "ddcd.h"
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int host_port = 0;
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char host_address[100] = "127.0.0.1";
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int decimation = 0;
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float transition_bw = 0.05;
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int bufsize = 1024;
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char ddc_method_str[100] = "td";
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ddc_method_t ddc_method;
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int main(int argc, char* argv[])
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{
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int c;
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for(;;)
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{
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int option_index = 0;
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static struct option long_options[] = {
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{"port", required_argument, 0, 'p' },
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{"address", required_argument, 0, 'a' },
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{"decimation", required_argument, 0, 'd' },
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{"bufsize", required_argument, 0, 'b' },
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{"method", required_argument, 0, 'm' },
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{"transition", required_argument, 0, 't' }
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};
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c = getopt_long(argc, argv, "p:a:d:b:m:t:", long_options, &option_index);
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if(c==-1) break;
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switch (c)
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{
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case 'a':
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host_address[100-1]=0;
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strncpy(host_address,optarg,100-1);
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break;
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case 'p':
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host_port=atoi(optarg);
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break;
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case 'd':
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decimation=atoi(optarg);
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break;
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case 'b':
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bufsize=atoi(optarg);
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break;
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case 'm':
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ddc_method_str[100-1]=0;
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strncpy(ddc_method_str,optarg,100-1);
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break;
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case 't':
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sscanf(optarg,"%g",&transition_bw);
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break;
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case 0:
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case '?':
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case ':':
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default:;
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print_exit(MSG_START "error in getopt_long()\n");
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}
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}
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if(!decimation) print_exit(MSG_START "missing required command line argument, --decimation.\n");
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if(!host_port) print_exit(MSG_START "missing required command line argument, --port.\n");
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if(decimation<0) print_exit(MSG_START "invalid value for --decimation (should be >0).\n");
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if(decimation==1) fprintf(stderr, MSG_START "decimation = 1, just copying raw samples.\n");
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if(transition_bw<0||transition_bw>0.5) print_exit(MSG_START "invalid value for --transition (should be between 0 and 0.5).\n");
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if(decimation==1); //don't do anything then
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else if(!strcmp(ddc_method_str,"td"))
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{
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ddc_method = M_TD;
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fprintf(stderr, MSG_START "method is M_TD (default).\n");
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}
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else if (!strcmp(ddc_method_str,"fastddc"))
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{
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ddc_method = M_FASTDDC;
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fprintf(stderr, MSG_START "method is M_FASTDDC.\n");
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}
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else print_exit(MSG_START "invalid parameter given to --method.\n");
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}
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void print_exit(const char* why)
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{
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fprintf(stderr, "%s", why);
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exit(1);
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}
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