FreeCalypso > hg > fc-rfcal-tools

annotate autocal/txbasis.c @ 63:131abadbd74d

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doc/Rx-cal-theory written
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 28 May 2017 03:21:34 +0000
parents df827df6db82
children
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56
df827df6db82 fc-rfcal-txbasis written, ready to test
Mychaela Falconia <falcon@freecalypso.org>
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1 /*
df827df6db82 fc-rfcal-txbasis written, ready to test
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2 * This module contains the main() function for fc-rfcal-txbasis.
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3 */
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4
df827df6db82 fc-rfcal-txbasis written, ready to test
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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 <unistd.h>
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10 #include <rvinterf/l1tm.h>
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11 #include <rvinterf/exitcodes.h>
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12 #include "stdband.h"
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13
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14 extern char *rvif_socket_pathname, *tsid_socket_pathname;
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15
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16 extern double tx_power_meas();
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17
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18 static struct band {
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19 char *name;
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20 unsigned rfpw_std_band;
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21 unsigned default_arfcn;
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22 } bands[] = {
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23 {"850", RFPW_STD_BAND_850, 190},
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24 {"900", RFPW_STD_BAND_900, 40},
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25 {"1800", RFPW_STD_BAND_1800, 700},
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26 {"1900", RFPW_STD_BAND_1900, 660},
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27 {0, 0, 0}
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28 };
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29 static struct band *selected_band;
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30 static unsigned arfcn, arfcn_set;
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31
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32 cmdline_options(argc, argv)
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33 char **argv;
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34 {
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35 extern char *optarg;
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36 int c;
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37
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38 while ((c = getopt(argc, argv, "a:s:t:")) != EOF) {
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39 switch (c) {
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40 case 'a':
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41 arfcn = atoi(optarg);
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42 arfcn_set = 1;
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43 continue;
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44 case 's':
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45 rvif_socket_pathname = optarg;
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46 continue;
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47 case 't':
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48 tsid_socket_pathname = optarg;
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49 continue;
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50 case '?':
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51 default:
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52 /* error msg already printed */
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53 exit(ERROR_USAGE);
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54 }
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55 }
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56 return(0);
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57 }
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58
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59 select_band(bandname)
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60 char *bandname;
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61 {
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62 struct band *band;
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63
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64 for (band = bands; band->name; band++)
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65 if (!strcmp(band->name, bandname))
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66 break;
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67 if (!band->name) {
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68 fprintf(stderr, "error: \"%s\" is not a known band\n",
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69 bandname);
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70 exit(ERROR_USAGE);
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71 }
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72 selected_band = band;
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73 if (!arfcn_set)
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74 arfcn = band->default_arfcn;
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75 return(0);
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76 }
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77
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78 main(argc, argv)
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79 char **argv;
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80 {
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81 extern int optind;
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82 int apc;
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83 double meas;
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84
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85 cmdline_options(argc, argv);
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86 if (argc - optind < 2) {
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87 fprintf(stderr, "usage: %s band apc...\n", argv[0]);
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88 exit(ERROR_USAGE);
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89 }
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90 select_band(argv[optind++]);
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91
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92 connect_rvinterf_socket();
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93 connect_tsid_socket();
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94 setlinebuf(stdout); /* to allow logging with tee */
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95 printf("Preparing RF test system for %s MHz Tx calibration\n",
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96 selected_band->name);
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97 do_txpwr_cal_setup(selected_band->name, arfcn);
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98
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99 printf("Putting the DUT into Test Mode\n");
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100 do_tms(1);
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101 do_rfpw(STD_BAND_FLAG, selected_band->rfpw_std_band);
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102 do_rfpw(TCH_ARFCN, arfcn);
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103 do_rfpw(AFC_ENA_FLAG, 0);
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104 printf("Starting RF Tx on the DUT\n");
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105 do_rfe(RX_TX_TCH);
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106
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107 for (; optind < argc; optind++) {
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108 apc = atoi(argv[optind]);
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109 do_txpw(TX_APC_DAC, apc);
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110 usleep(20000);
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111 meas = tx_power_meas();
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112 printf("APC DAC=%d: %.2f dBm\n", apc, meas);
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113 }
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114
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115 printf("Stopping RF Tx on the DUT\n");
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116 do_rfe(STOP_ALL);
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117 exit(0);
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118 }