annotate dds.h @ 262:ebbe0f198322

Fix DDS client connection retry
author Daniele Nicolodi <daniele.nicolodi@obspm.fr>
date Tue, 16 Jun 2015 17:16:11 +0200
parents 5296f3bcd160
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
206
c700a2d38fb8 New AD9956 interface
Daniele Nicolodi <daniele.nicolodi@obspm.fr>
parents:
diff changeset
1 #ifndef __FXANALYSE_DDS_H__
c700a2d38fb8 New AD9956 interface
Daniele Nicolodi <daniele.nicolodi@obspm.fr>
parents:
diff changeset
2 #define __FXANALYSE_DDS_H__
c700a2d38fb8 New AD9956 interface
Daniele Nicolodi <daniele.nicolodi@obspm.fr>
parents:
diff changeset
3
213
fcc988c6f841 Fix ad9956 sweep rate setting. Disable clock divider on init. Simplify
Daniele Nicolodi <daniele.nicolodi@obspm.fr>
parents: 206
diff changeset
4 typedef long long int64;
206
c700a2d38fb8 New AD9956 interface
Daniele Nicolodi <daniele.nicolodi@obspm.fr>
parents:
diff changeset
5 typedef unsigned long long uint64;
c700a2d38fb8 New AD9956 interface
Daniele Nicolodi <daniele.nicolodi@obspm.fr>
parents:
diff changeset
6
c700a2d38fb8 New AD9956 interface
Daniele Nicolodi <daniele.nicolodi@obspm.fr>
parents:
diff changeset
7 static inline uint64 ftw(double clock, double freq)
c700a2d38fb8 New AD9956 interface
Daniele Nicolodi <daniele.nicolodi@obspm.fr>
parents:
diff changeset
8 {
c700a2d38fb8 New AD9956 interface
Daniele Nicolodi <daniele.nicolodi@obspm.fr>
parents:
diff changeset
9 uint64 ftw = freq * ((double)(1ULL << 48) / clock);
c700a2d38fb8 New AD9956 interface
Daniele Nicolodi <daniele.nicolodi@obspm.fr>
parents:
diff changeset
10 return ftw;
c700a2d38fb8 New AD9956 interface
Daniele Nicolodi <daniele.nicolodi@obspm.fr>
parents:
diff changeset
11 }
c700a2d38fb8 New AD9956 interface
Daniele Nicolodi <daniele.nicolodi@obspm.fr>
parents:
diff changeset
12
c700a2d38fb8 New AD9956 interface
Daniele Nicolodi <daniele.nicolodi@obspm.fr>
parents:
diff changeset
13 static inline double freq(double clock, uint64 ftw)
c700a2d38fb8 New AD9956 interface
Daniele Nicolodi <daniele.nicolodi@obspm.fr>
parents:
diff changeset
14 {
c700a2d38fb8 New AD9956 interface
Daniele Nicolodi <daniele.nicolodi@obspm.fr>
parents:
diff changeset
15 double freq = (double)ftw * (clock / (double)(1ULL << 48));
c700a2d38fb8 New AD9956 interface
Daniele Nicolodi <daniele.nicolodi@obspm.fr>
parents:
diff changeset
16 return freq;
c700a2d38fb8 New AD9956 interface
Daniele Nicolodi <daniele.nicolodi@obspm.fr>
parents:
diff changeset
17 }
c700a2d38fb8 New AD9956 interface
Daniele Nicolodi <daniele.nicolodi@obspm.fr>
parents:
diff changeset
18
c700a2d38fb8 New AD9956 interface
Daniele Nicolodi <daniele.nicolodi@obspm.fr>
parents:
diff changeset
19 static inline int strtouint64(const char *str, uint64 *v)
c700a2d38fb8 New AD9956 interface
Daniele Nicolodi <daniele.nicolodi@obspm.fr>
parents:
diff changeset
20 {
c700a2d38fb8 New AD9956 interface
Daniele Nicolodi <daniele.nicolodi@obspm.fr>
parents:
diff changeset
21 char *end;
c700a2d38fb8 New AD9956 interface
Daniele Nicolodi <daniele.nicolodi@obspm.fr>
parents:
diff changeset
22 *v = strtoull(str, &end, 0);
c700a2d38fb8 New AD9956 interface
Daniele Nicolodi <daniele.nicolodi@obspm.fr>
parents:
diff changeset
23 if (*end != '\0')
c700a2d38fb8 New AD9956 interface
Daniele Nicolodi <daniele.nicolodi@obspm.fr>
parents:
diff changeset
24 return -1;
c700a2d38fb8 New AD9956 interface
Daniele Nicolodi <daniele.nicolodi@obspm.fr>
parents:
diff changeset
25 return 0;
c700a2d38fb8 New AD9956 interface
Daniele Nicolodi <daniele.nicolodi@obspm.fr>
parents:
diff changeset
26 }
c700a2d38fb8 New AD9956 interface
Daniele Nicolodi <daniele.nicolodi@obspm.fr>
parents:
diff changeset
27
c700a2d38fb8 New AD9956 interface
Daniele Nicolodi <daniele.nicolodi@obspm.fr>
parents:
diff changeset
28 #endif
c700a2d38fb8 New AD9956 interface
Daniele Nicolodi <daniele.nicolodi@obspm.fr>
parents:
diff changeset
29