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annotate data-provider.h @ 91:4102fe614df2

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Fix timestamping. Cleanup data providers
author Daniele Nicolodi <daniele.nicolodi@obspm.fr>
date Fri, 22 Mar 2013 16:32:15 +0100
parents
children 99cbe2b57530
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91
4102fe614df2 Fix timestamping. Cleanup data providers
Daniele Nicolodi <daniele.nicolodi@obspm.fr>
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1 #ifndef __DATA_PROVIDER_H__
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2 #define __DATA_PROVIDER_H__
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3
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4 #include <future.h>
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5
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6 /* data acquisition flag */
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7 extern int acquiring;
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8
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9 /* data queue */
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10 extern CmtTSQHandle dataQueue;
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11
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12 /* callback receiving messages in the main thread */
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13 void CVICALLBACK MessageCB (void *callbackData);
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14
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15 /* data acquisition event */
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16 struct event {
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17 struct timeval time;
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18 double data[4];
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19 };
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20
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21 /* message */
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22 static char message[1024];
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23
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24 #define SendMessage(threadId, ...) \
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25 do { \
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26 snprintf(message, sizeof(message) - 1, ##__VA_ARGS__); \
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27 PostDeferredCallToThread(MessageCB, message, threadId); \
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28 } while (0)
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29
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30
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31 #endif