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annotate test-ad9956.c @ 268:ec4462c7f8b7

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Extensive cleanup of beatnote specific variables Reorganize the beatnote specific variables in arrays indexed by the beatnote enum constants LO, HG, SR. Also reorganize DDS frequency related variables in arrays indexed by the DDS channel number.
author Daniele Nicolodi <daniele.nicolodi@obspm.fr>
date Thu, 09 Jul 2015 23:11:00 +0200
parents da38cbbc7ec8
children
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1 #include <stdio.h>
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2 #include <string.h>
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3 #include "ad9956.h"
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4
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5 #define error() do { printf("ERROR: %s\n", strerror(-r)); exit(EXIT_FAILURE); } while (0)
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6
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7 int main(int argc, char **argv)
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8 {
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9 int r;
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10 double f;
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11 struct ad9956 dds;
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12
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13 if (argc < 2)
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14 return 1;
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15
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16 r = ad9956_init(&dds, argv[1], 1e9);
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17 if (r < 0)
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18 error();
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19
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20 r = ad9956_get_frequency(&dds, &f);
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21 if (r < 0)
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22 error();
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23
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24 r = ad9956_set_frequency(&dds, 10e6);
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25 if (r < 0)
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26 error();
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27
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28 return 0;
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29 }