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annotate fake-data-provider.c @ 245:b1dc2ba9a315

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Revise dedrift automatic slope update disable logic
author Daniele Nicolodi <daniele@grinta.net>
date Thu, 26 Feb 2015 23:11:01 +0100
parents 8a94f1913b4e
children a40c8af8b028
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1 /* FXAnalise fake data provider */
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3 #include <analysis.h>
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4 #include <userint.h>
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5 #include <utility.h>
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7 #include "future.h"
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8 #include "data-provider.h"
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10 #define PERIOD 1.0
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11 #define INCREMENT 0.1
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12 #define NOISE 0.25
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15 int CVICALLBACK FakeDataProvider (void *functionData)
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16 {
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17 int i, mainThreadId;
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18 double mark;
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19 struct event event = { 0, };
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20 double f[NCHAN] = { 55000000.0, 10000.0, 10000.0, 275000.0 };
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21 double noise[NCHAN];
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23 /* get main thread id to post messages to it */
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24 mainThreadId = CmtGetMainThreadID();
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25
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26 while (acquiring) {
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27 mark = Timer();
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29 /* update data */
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30 gettimeofday(&event.time, NULL);
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31 f[0] += INCREMENT;
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32 for (i = 0; i < NCHAN; i++)
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33 event.data[i] = f[i];
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34
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35 #ifdef NOISE
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36 /* add noise */
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37 GaussNoise(NCHAN, NOISE, -1, noise);
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38 for (i = 0; i < NCHAN; i++)
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39 event.data[i] += noise[i];
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40 #endif
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41
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42 /* push data into the data queue */
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43 CmtWriteTSQData(dataQueue, &event, 1, TSQ_INFINITE_TIMEOUT, 0);
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44
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45 /* wait till next second */
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46 SyncWait(mark, PERIOD);
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47 }
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48
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49 return 0;
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50 }