FreeCalypso > hg > fc-rfcal-tools

annotate autocal/gmagicmain.c @ 64:65577bb967f7

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doc/VCXO-vs-VCTCXO written
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 28 May 2017 05:02:24 +0000
parents fe39aac56cde
children
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1 /*
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2 * This module contains the main() function for fc-rfcal-gmagic.
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3 */
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4
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5 #include <stdio.h>
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6 #include <stdlib.h>
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7 #include <string.h>
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8 #include <strings.h>
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9 #include <rvinterf/l1tm.h>
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10 #include <rvinterf/exitcodes.h>
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11 #include "rxcaldefs.h"
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12 #include "stdband.h"
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13
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14 static struct band {
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15 char *name;
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16 unsigned rfpw_std_band;
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17 unsigned default_arfcn;
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18 } bands[] = {
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19 {"850", RFPW_STD_BAND_850, 189},
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20 {"900", RFPW_STD_BAND_900, 37},
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21 {"1800", RFPW_STD_BAND_1800, 698},
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22 {"1900", RFPW_STD_BAND_1900, 661},
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23 {0, 0, 0}
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24 };
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25 static struct band *selected_band;
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26 static unsigned arfcn;
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27
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28 finish_cmdline(argc, argv)
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29 char **argv;
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30 {
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31 extern int optind;
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32 struct band *band;
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33
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34 if (argc - optind < 1 || argc - optind > 2) {
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35 fprintf(stderr, "usage: %s band [arfcn]\n", argv[0]);
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36 exit(ERROR_USAGE);
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37 }
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38 for (band = bands; band->name; band++)
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39 if (!strcmp(band->name, argv[optind]))
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40 break;
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41 if (!band->name) {
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42 fprintf(stderr, "error: \"%s\" is not a known band\n",
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43 argv[optind]);
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44 exit(ERROR_USAGE);
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45 }
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46 selected_band = band;
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47 if (argv[optind+1])
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48 arfcn = atoi(argv[optind+1]);
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49 else
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50 arfcn = band->default_arfcn;
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51 return(0);
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52 }
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53
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54 prepare_rf_test_system()
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55 {
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56 char cmd[80];
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57
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58 printf("Preparing RF test system for %s MHz Rx calibration\n",
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59 selected_band->name);
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60 sprintf(cmd, "signal-gen-setup %s\n", selected_band->name);
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61 tsid_command(cmd);
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62 return(0);
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63 }
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64
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65 main(argc, argv)
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66 char **argv;
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67 {
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68 int pm, Gmagic;
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69 char Gmagic_db[64];
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70
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71 socket_pathname_options(argc, argv);
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72 finish_cmdline(argc, argv);
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73 connect_rvinterf_socket();
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74 connect_tsid_socket();
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75 setlinebuf(stdout); /* to allow logging with tee */
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76 prepare_rf_test_system();
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77
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78 printf("Putting the DUT into Test Mode\n");
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79 do_tms(1);
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80 do_rfpw(STD_BAND_FLAG, selected_band->rfpw_std_band);
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81 l1tm_setup_for_rxcal();
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82 pm = rx_measure(arfcn);
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83 Gmagic = pm - RXCAL_SIGGEN_LEVEL - RXCAL_AGC_DB * 2;
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84 halfdb_to_string(Gmagic, Gmagic_db);
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85 printf("GMagic=%d (%s dB)\n", Gmagic, Gmagic_db);
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86 exit(0);
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87 }