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annotate dds.h @ 207:9e0c3541104b

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Move common AD99xx code to dds.{ch}
author Daniele Nicolodi <daniele.nicolodi@obspm.fr>
date Mon, 31 Mar 2014 17:03:38 +0200
parents c700a2d38fb8
children fcc988c6f841
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1 #ifndef __FXANALYSE_DDS_H__
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2 #define __FXANALYSE_DDS_H__
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3
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4 #define usleep(t) Delay((t) / 1000000.0)
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5 #define strdup(s) StrDup(s)
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6 #define streq(x, y) (strcmp((x), (y)) == 0)
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7
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8 typedef unsigned long long uint64;
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9
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10 static inline uint64 ftw(double clock, double freq)
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11 {
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12 uint64 ftw = freq * ((double)(1ULL << 48) / clock);
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13 return ftw;
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14 }
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16 static inline double freq(double clock, uint64 ftw)
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17 {
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18 double freq = (double)ftw * (clock / (double)(1ULL << 48));
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19 return freq;
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20 }
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21
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22 static inline int strtouint64(const char *str, uint64 *v)
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23 {
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24 char *end;
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25 *v = strtoull(str, &end, 0);
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26 if (*end != '\0')
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27 return -1;
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28 return 0;
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29 }
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30
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31 int msend(int fd, char *buffer, int n);
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32 int mrecv(int fd, char *buffer, int len);
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33 int command(int fd, char *frmt, ...);
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34
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35 #endif
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36