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94 lines
3.6 KiB
C
94 lines
3.6 KiB
C
/*
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* cmdlnopts.c - the only function that parce cmdln args and returns glob parameters
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*
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* Copyright 2013 Edward V. Emelianoff <eddy@sao.ru>
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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 2 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, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*/
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#include "cmdlnopts.h"
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#include "usefull_macros.h"
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/*
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* here are global parameters initialisation
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*/
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glob_pars G; // internal global parameters structure
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int help = 0; // whether to show help string
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glob_pars Gdefault = {
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.devpath = "/dev/ttyUSB0"
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,.pollubx = 0
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,.pollinterval = 1.
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,.block_msg = {0,1,0,0,0,0} // all exept RMC are blocked by default
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,.polltmout = 10.
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,.stationary = 0
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,.gettimediff = 0
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,.meancoords = 0
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,.silent = 0
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,.date = 0
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};
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/*
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* Define command line options by filling structure:
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* name has_arg flag val type argptr help
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*/
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myoption cmdlnopts[] = {
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/// "ÏÔÏÂÒÁÚÉÔØ ÜÔÏ ÓÏÏÂÝÅÎÉÅ"
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{"help", 0, NULL, 'h', arg_int, APTR(&help), N_("show this help")},
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/// "ÐÕÔØ Ë ÕÓÔÒÏÊÓÔ×Õ"
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{"device",1, NULL, 'd', arg_string, APTR(&G.devpath), N_("device path")},
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{"poll-udx", 0, NULL, 'p', arg_none, APTR(&G.pollubx), N_("poll UDX,00")},
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{"pollinterval",1,NULL, 'i', arg_double, APTR(&G.pollinterval),N_("polling interval")},
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{"no-rmc",0,&G.block_msg[GPRMC], 0, arg_none, NULL, N_("block RMC message")},
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{"gsv", 0, &G.block_msg[GPGSV], 1, arg_none, NULL, N_("process GSV message")},
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{"gsa", 0, &G.block_msg[GPGSA], 1, arg_none, NULL, N_("process GSA message")},
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{"gga", 0, &G.block_msg[GPGGA], 1, arg_none, NULL, N_("process GGA message")},
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{"gll", 0, &G.block_msg[GPGLL], 1, arg_none, NULL, N_("process GLL message")},
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{"vtg", 0, &G.block_msg[GPVTG], 1, arg_none, NULL, N_("process VTG message")},
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{"timeout", 1, NULL, 't', arg_double, APTR(&G.polltmout), N_("polling timeout")},
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{"stationary",0, NULL, 's', arg_int, APTR(&G.stationary),N_("configure as stationary")},
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{"timediff",0, NULL, 'T', arg_int, APTR(&G.gettimediff),N_("calculate mean time difference")},
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{"coords",0, NULL, 'C', arg_int, APTR(&G.meancoords),N_("calculate mean coordinates")},
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{"silent",0, NULL, 'S', arg_int, APTR(&G.silent), N_("don't write intermediate messages")},
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{"print-date",0,NULL, 'D', arg_int, APTR(&G.date), N_("print date in format MMDDhhmmCCYY.ss")},
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// ...
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end_option
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};
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/**
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* Parce command line options and return dynamically allocated structure
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* to global parameters
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* @param argc - copy of argc from main
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* @param argv - copy of argv from main
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* @return allocated structure with global parameters
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*/
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glob_pars *parce_args(int argc, char **argv){
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int i;
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memcpy(&G, &Gdefault, sizeof(G));
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/// "éÓÐÏÌØÚÏ×ÁÎÉÅ: %s [ÁÒÇÕÍÅÎÔÙ]\n\n\tçÄÅ ÁÒÇÕÍÅÎÔÙ:\n"
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change_helpstring(_("Usage: %s [args]\n\n\tWhere args are:\n"));
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// parse arguments
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parceargs(&argc, &argv, cmdlnopts);
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if(help) showhelp(-1, cmdlnopts);
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if(argc > 0){
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/// "éÇÎÏÒÉÒÕÀ ÁÒÇÕÍÅÎÔ[Ù]:"
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printf("\n%s\n", _("Ignore argument[s]:"));
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for (i = 0; i < argc; i++)
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printf("\t%s\n", argv[i]);
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}
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return &G;
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}
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