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annotate cmu200/signalgen.c @ 65:e7b9a9903f14

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doc/Rx-cal-theory: typo fix
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 28 May 2017 05:10:32 +0000
parents 34c6fbe38daa
children 4e263849b064
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1 /*
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2 * This module implements the signal generator functionality.
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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 "mode.h"
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10 #include "secaddr.h"
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11
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12 extern char *cmu200_tx_name;
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13 extern int cmu200_rf_port;
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4
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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
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20 stop_signal_gen()
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21 {
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22 char cmdstr[80];
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23
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24 if (current_mode == OP_MODE_SIGNAL_GEN) {
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25 sprintf(cmdstr, "ABORT:RFG:%s\n", cmu200_tx_name);
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26 send_scpi_cmd(cmdstr);
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27 }
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28 }
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29
4
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30 cmd_signal_gen_setup()
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31 {
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32 int rc;
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33 char cmdstr[32];
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34
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35 if (client_cmd_nfields != 2) {
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36 send_socket_response("-Wrong number of arguments\n");
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37 return(0);
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38 }
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39 stop_signal_gen();
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40 current_mode = OP_MODE_UNDEF;
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41 rc = find_named_band(client_cmd_fields[1]);
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42 if (rc < 0) {
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43 send_socket_response("-Invalid band argument\n");
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44 return(0);
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45 }
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46 sprintf(cmdstr, "*SEC %d\n", SECADDR_RF_NSIG);
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47 send_scpi_cmd(cmdstr);
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48 sprintf(cmdstr, "OUTP:%s RF%d\n", cmu200_tx_name, cmu200_rf_port);
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49 send_scpi_cmd(cmdstr);
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50 current_mode = OP_MODE_SIGNAL_GEN;
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51 send_socket_response("+OK\n");
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52 return(0);
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53 }
5
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54
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55 cmd_signal_gen_sine()
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56 {
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57 unsigned arfcn, freq_khz;
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58 int offset;
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59 char cmdstr[128];
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60
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61 if (current_mode != OP_MODE_SIGNAL_GEN) {
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62 send_socket_response("-Wrong mode\n");
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63 return(0);
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64 }
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65 if (client_cmd_nfields != 4) {
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66 send_socket_response("-Wrong number of arguments\n");
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67 return(0);
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68 }
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69 arfcn = atoi(client_cmd_fields[1]);
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70 if (verify_arfcn(arfcn, 0, &freq_khz) < 0) {
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71 send_socket_response("-Invalid ARFCN\n");
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72 return(0);
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73 }
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74 offset = atoi(client_cmd_fields[2]);
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75 freq_khz += offset;
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76 sprintf(cmdstr, "SOUR:RFG:%s:LEV %s\n", cmu200_tx_name,
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77 client_cmd_fields[3]);
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78 send_scpi_cmd(cmdstr);
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79 sprintf(cmdstr, "SOUR:RFG:%s:FREQ %u000\n", cmu200_tx_name, freq_khz);
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80 send_scpi_cmd(cmdstr);
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81 sprintf(cmdstr, "INIT:RFG:%s\n", cmu200_tx_name);
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82 send_scpi_cmd(cmdstr);
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83 send_scpi_cmd("*OPC?\n");
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84 collect_staropc_response();
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85 send_socket_response("+OK\n");
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86 return(0);
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87 }
6
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88
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89 cmd_signal_gen_off()
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90 {
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91 stop_signal_gen();
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92 send_socket_response("+OK\n");
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93 return(0);
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94 }