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comparison dds.h @ 206:c700a2d38fb8

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New AD9956 interface
author Daniele Nicolodi <daniele.nicolodi@obspm.fr>
date Mon, 31 Mar 2014 17:03:38 +0200
parents
children fcc988c6f841
comparison
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205:31093786d41d 206:c700a2d38fb8
1 #ifndef __FXANALYSE_DDS_H__
2 #define __FXANALYSE_DDS_H__
3
4 #define usleep(t) Delay((t) / 1000000.0)
5 #define strdup(s) StrDup(s)
6 #define streq(x, y) (strcmp((x), (y)) == 0)
7
8 typedef unsigned long long uint64;
9
10 static inline uint64 ftw(double clock, double freq)
11 {
12 uint64 ftw = freq * ((double)(1ULL << 48) / clock);
13 return ftw;
14 }
15
16 static inline double freq(double clock, uint64 ftw)
17 {
18 double freq = (double)ftw * (clock / (double)(1ULL << 48));
19 return freq;
20 }
21
22 static inline int strtouint64(const char *str, uint64 *v)
23 {
24 char *end;
25 *v = strtoull(str, &end, 0);
26 if (*end != '\0')
27 return -1;
28 return 0;
29 }
30
31 int msend(int fd, char *buffer, int n);
32 int mrecv(int fd, char *buffer, int len);
33 int command(int fd, char *frmt, ...);
34
35 #endif
36