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annotate cmu200/signalgen.c @ 5:493987a4527e

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fc-cmu200d: signal-gen-sine implemented
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 21 May 2017 07:48:54 +0000
parents 504d3cbb95b5
children d8cbc7a383eb
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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 *client_cmd_fields[];
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13 extern int client_cmd_nfields;
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14
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15 extern int current_mode;
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16
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17 cmd_signal_gen_setup()
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18 {
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19 int rc;
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20 char cmdstr[32];
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21
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22 if (client_cmd_nfields != 2) {
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23 send_socket_response("-Wrong number of arguments\n");
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24 return(0);
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25 }
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26 stop_signal_gen();
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27 current_mode = OP_MODE_UNDEF;
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28 rc = find_named_band(client_cmd_fields[1]);
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29 if (rc < 0) {
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30 send_socket_response("-Invalid band argument\n");
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31 return(0);
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32 }
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33 sprintf(cmdstr, "*SEC %d\n", SECADDR_RF_NSIG);
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34 send_scpi_cmd(cmdstr);
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35 current_mode = OP_MODE_SIGNAL_GEN;
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36 send_socket_response("+OK\n");
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37 return(0);
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38 }
5
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39
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40 cmd_signal_gen_sine()
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41 {
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42 unsigned arfcn, freq_khz;
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43 int offset;
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44 char cmdstr[128];
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45
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46 if (current_mode != OP_MODE_SIGNAL_GEN) {
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47 send_socket_response("-Wrong mode\n");
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48 return(0);
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49 }
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50 if (client_cmd_nfields != 4) {
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51 send_socket_response("-Wrong number of arguments\n");
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52 return(0);
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53 }
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54 arfcn = atoi(client_cmd_fields[1]);
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55 if (verify_arfcn(arfcn, 0, &freq_khz) < 0) {
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56 send_socket_response("-Invalid ARFCN\n");
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57 return(0);
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58 }
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59 offset = atoi(client_cmd_fields[2]);
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60 freq_khz += offset;
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61 sprintf(cmdstr, "SOUR:RFG:LEV %s\n", client_cmd_fields[3]);
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62 send_scpi_cmd(cmdstr);
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63 sprintf(cmdstr, "SOUR:RFG:FREQ %u000\n", freq_khz);
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64 send_scpi_cmd(cmdstr);
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65 send_scpi_cmd("INIT:RFG\n");
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66 send_scpi_cmd("*OPC?\n");
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67 collect_staropc_response();
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68 send_socket_response("+OK\n");
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69 return(0);
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70 }