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annotate cmu200/rfanalyzer.c @ 98:615df2fb1ec3

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doc/Tx-cal-theory: update with both theory and practice
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 17 Jul 2017 22:49:35 +0000
parents e35da125c937
children fbfbd813c9b4
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1 /*
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2 * This module implements the RF analyzer functionality
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3 * for VCXO and Tx power level calibration support.
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4 */
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5
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6 #include <stdio.h>
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7 #include <stdlib.h>
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8 #include <string.h>
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9 #include <strings.h>
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10 #include "mode.h"
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11 #include "band.h"
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12
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13 extern int cmu200_rf_port;
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14
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15 extern char *client_cmd_fields[];
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16 extern int client_cmd_nfields;
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17
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18 extern int current_mode;
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19 extern struct band *current_band;
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20
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21 extern char instrument_response[];
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22
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23 cmd_rfan_setup()
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24 {
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25 int rc;
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26 unsigned arfcn;
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27 char cmdstr[80];
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28
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29 if (client_cmd_nfields != 3) {
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30 send_socket_response("-Wrong number of arguments\n");
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31 return(0);
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32 }
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33 stop_signal_gen();
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34 current_mode = OP_MODE_UNDEF;
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35 rc = find_named_band(client_cmd_fields[1]);
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36 if (rc < 0) {
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37 send_socket_response("-Invalid band argument\n");
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38 return(0);
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39 }
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40 arfcn = atoi(client_cmd_fields[2]);
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41 if (verify_arfcn(arfcn, 0, 0) < 0) {
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42 send_socket_response("-Invalid ARFCN\n");
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43 return(0);
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44 }
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45 sprintf(cmdstr, "*SEC %d\n", current_band->secaddr);
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46 send_scpi_cmd(cmdstr);
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47 sprintf(cmdstr, "INP RF%d\n", cmu200_rf_port);
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48 send_scpi_cmd(cmdstr);
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49 sprintf(cmdstr, "CORR:LOSS:INP%d %u.%u\n", cmu200_rf_port,
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50 current_band->ul_cable_loss / 10,
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51 current_band->ul_cable_loss % 10);
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52 send_scpi_cmd(cmdstr);
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53 sprintf(cmdstr, "RFAN:CHAN %uCH\n", arfcn);
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54 send_scpi_cmd(cmdstr);
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55 send_scpi_cmd("RFAN:TSEQ GSM5\n");
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56 current_mode = OP_MODE_GSM_RFAN;
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57 send_socket_response("+OK\n");
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58 return(0);
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59 }
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61 cmd_freq_meas()
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62 {
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63 char *resp_fields[11];
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64 char client_resp[128];
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65
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66 if (current_mode != OP_MODE_GSM_RFAN) {
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67 send_socket_response("-Wrong mode\n");
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68 return(0);
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69 }
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70 send_scpi_cmd("READ:MOD?\n");
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71 collect_instr_response();
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72 if (parse_commasep_response(resp_fields, 11) < 0) {
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73 send_socket_response
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74 ("-CMU200 response has wrong number of fields\n");
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75 return(0);
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76 }
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77 sprintf(client_resp, "+ %s\n", resp_fields[7]);
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78 send_socket_response(client_resp);
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79 return(0);
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80 }
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81
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82 cmd_power_meas()
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83 {
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84 char *resp_fields[5];
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85 char client_resp[128];
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86
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87 if (current_mode != OP_MODE_GSM_RFAN) {
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88 send_socket_response("-Wrong mode\n");
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89 return(0);
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90 }
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91 send_scpi_cmd("READ:POW?\n");
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92 collect_instr_response();
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93 if (parse_commasep_response(resp_fields, 5) < 0) {
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94 send_socket_response
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95 ("-CMU200 response has wrong number of fields\n");
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96 return(0);
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97 }
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98 sprintf(client_resp, "+ %s\n", resp_fields[4]);
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99 send_socket_response(client_resp);
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100 return(0);
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101 }