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annotate test-ad9912.c @ 271:4a2fa10b8421 default tip

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Publish DDS and measured frequencies through ZMQ
author Daniele Nicolodi <daniele.nicolodi@nist.gov>
date Sat, 15 Aug 2020 18:22:42 -0600
parents da38cbbc7ec8
children
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da38cbbc7ec8 Add DDS clients test code
Daniele Nicolodi <daniele.nicolodi@obspm.fr>
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1 #include <stdio.h>
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2 #include <string.h>
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3 #include <unistd.h>
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4 #include "ad9912.h"
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5
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6 #define die() do { printf("ERROR: %s\n", strerror(-r)); exit(EXIT_FAILURE); } while (0)
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7 #define error() do { printf("ERROR: %s\n", strerror(-r)); } while (0)
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8
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9 int main(int argc, char **argv)
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10 {
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11 int r;
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12 double f;
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13 struct ad9912 dds;
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14
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15 if (argc < 2)
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16 exit(EXIT_FAILURE);
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17
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18 r = ad9912_init(&dds, argv[1], 1e9);
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19 if (r < 0)
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20 error();
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21
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22 for (int i = 0; i < 4; i++) {
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23 r = ad9912_get_frequency(&dds, i, &f);
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24 if (r < 0)
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25 die();
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26 printf("DDS%d f=%f Hz\n", i, f);
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27 }
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28
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29 for (int i = 0; i < 4; i++) {
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30 r = ad9912_set_frequency(&dds, i, i * 10e6);
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31 if (r < 0)
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32 error();
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33 }
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34
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35 for (int i = 0; i < 4; i++) {
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36 r = ad9912_get_frequency(&dds, i, &f);
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37 if (r < 0)
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38 error();
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39 printf("DDS%d f=%f Hz\n", i, f);
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40 }
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41
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42 return 0;
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43 }