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annotate cmu200/init.c @ 69:4e263849b064

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fc-cmu200d: CMU200 external attenuation setting implemented in signal gen mode
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 14 Jul 2017 04:52:03 +0000
parents bd62be88259d
children
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bd62be88259d initial import of rfcal code and docs from freecalypso-tools repository
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1 /*
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2 * This module contains the code that fc-cmu200d runs at startup,
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3 * to put the CMU200 into a known state at the global level.
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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 "secaddr.h"
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11
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12 extern char instrument_response[];
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13
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14 static char id_string[] = "Rohde&Schwarz,CMU";
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15
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16 static void
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17 assign_secondary_addr(addr, func)
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18 char *func;
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19 {
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20 char cmdbuf[80];
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21
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22 sprintf(cmdbuf, "SYST:REM:ADDR:SEC %d,\"%s\"\n", addr, func);
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23 send_scpi_cmd(cmdbuf);
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24 }
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25
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26 init_cmu200()
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27 {
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28 /* Test if we are connected to a CMU */
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29 send_scpi_cmd("*IDN?\n");
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30 collect_instr_response();
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31 if (strncasecmp(instrument_response, id_string, strlen(id_string))) {
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32 fprintf(stderr, "error: not connected to a CMU200\n");
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33 exit(1);
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34 }
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35 /* init commands */
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36 send_scpi_cmd("*SEC 0\n");
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37 send_scpi_cmd("*RST;*OPC?\n");
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38 collect_staropc_response();
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39 send_scpi_cmd("SYST:NONV:DIS\n");
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40 assign_secondary_addr(SECADDR_RF_NSIG, "RF_NSig");
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41 assign_secondary_addr(SECADDR_GSM900MS_NSIG, "GSM900MS_NSig");
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42 assign_secondary_addr(SECADDR_GSM1800MS_NSIG, "GSM1800MS_NSig");
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43 assign_secondary_addr(SECADDR_GSM1900MS_NSIG, "GSM1900MS_NSig");
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44 assign_secondary_addr(SECADDR_GSM850MS_NSIG, "GSM850MS_NSig");
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45 send_scpi_cmd("*OPC?\n");
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46 collect_staropc_response();
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47 printf("CMU200 init complete\n");
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48 }