FreeCalypso > hg > fc-rfcal-tools
view autocal/gmagicmain.c @ 63:131abadbd74d
doc/Rx-cal-theory written
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sun, 28 May 2017 03:21:34 +0000 |
parents | fe39aac56cde |
children |
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/* * This module contains the main() function for fc-rfcal-gmagic. */ #include <stdio.h> #include <stdlib.h> #include <string.h> #include <strings.h> #include <rvinterf/l1tm.h> #include <rvinterf/exitcodes.h> #include "rxcaldefs.h" #include "stdband.h" static struct band { char *name; unsigned rfpw_std_band; unsigned default_arfcn; } bands[] = { {"850", RFPW_STD_BAND_850, 189}, {"900", RFPW_STD_BAND_900, 37}, {"1800", RFPW_STD_BAND_1800, 698}, {"1900", RFPW_STD_BAND_1900, 661}, {0, 0, 0} }; static struct band *selected_band; static unsigned arfcn; finish_cmdline(argc, argv) char **argv; { extern int optind; struct band *band; if (argc - optind < 1 || argc - optind > 2) { fprintf(stderr, "usage: %s band [arfcn]\n", argv[0]); exit(ERROR_USAGE); } for (band = bands; band->name; band++) if (!strcmp(band->name, argv[optind])) break; if (!band->name) { fprintf(stderr, "error: \"%s\" is not a known band\n", argv[optind]); exit(ERROR_USAGE); } selected_band = band; if (argv[optind+1]) arfcn = atoi(argv[optind+1]); else arfcn = band->default_arfcn; return(0); } prepare_rf_test_system() { char cmd[80]; printf("Preparing RF test system for %s MHz Rx calibration\n", selected_band->name); sprintf(cmd, "signal-gen-setup %s\n", selected_band->name); tsid_command(cmd); return(0); } main(argc, argv) char **argv; { int pm, Gmagic; char Gmagic_db[64]; socket_pathname_options(argc, argv); finish_cmdline(argc, argv); connect_rvinterf_socket(); connect_tsid_socket(); setlinebuf(stdout); /* to allow logging with tee */ prepare_rf_test_system(); printf("Putting the DUT into Test Mode\n"); do_tms(1); do_rfpw(STD_BAND_FLAG, selected_band->rfpw_std_band); l1tm_setup_for_rxcal(); pm = rx_measure(arfcn); Gmagic = pm - RXCAL_SIGGEN_LEVEL - RXCAL_AGC_DB * 2; halfdb_to_string(Gmagic, Gmagic_db); printf("GMagic=%d (%s dB)\n", Gmagic, Gmagic_db); exit(0); }