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annotate DDS4xAD9959.h @ 45:b47b97cfd050

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Fix output frequency read back in DDS Fox driver The FTW registry value was read back wrong due to an integer overflow in the conversion from bytes string to double. This should fix the "jumps" seen in the application of the frequency dedrifting.
author Daniele Nicolodi <daniele.nicolodi@obspm.fr>
date Wed, 10 Oct 2012 12:14:01 +0200
parents d9aae7d7f2c6
children
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Daniele Nicolodi <daniele.nicolodi@obspm.fr>
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1 //==============================================================================
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2 //
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3 // Title: DDS4xAD9959.h
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4 // Purpose:
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5 //
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6 // Created on: by Volodimer Laurent, modified by YLC
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7 // Copyright: syrte. All Rights Reserved.
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8 //
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9 //==============================================================================
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10
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11 #ifndef __DDS4XAD9959_H__
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12 #define __DDS4XAD9959_H__
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13
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14 #ifdef __cplusplus
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15 extern "C" {
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16 #endif
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17
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18 //==============================================================================
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19 // Include files
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20
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21 #include "cvidef.h"
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22
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23 //==============================================================================
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24 // Defines
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25
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26 #define Adress "192.168.0.5"
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27 #define Port1 6665
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28 #define Port2 6666
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29 #define Port3 6667
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30 #define Port4 6668
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31 #define Clk 1000000000
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32 #define E48 1099511627776.0
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33 #define E32 4294967296.0
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34 #define E24 16777216.0
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35 #define E16 65536.0
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36 #define E8 256.0
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37
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38 //==============================================================================
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39 // Macros
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40
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41 #define WORD(Freq,Clk) pow(2,32)*(Freq/Clk)
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42
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43 // DDS2xAD9858_Data : the data of crypto class DDS2xAD9858
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44
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45 typedef struct {
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46 double Frequency1 ;
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47 double Frequency2 ;
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48 double Frequency3 ;
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49 double Frequency4 ;
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50 } DDS4XAD9959_Data ;
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51
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52 //==============================================================================
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53 // Variables
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54
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55 char Request[255];
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56 char Response[255];
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57 unsigned int hConv;
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58
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59 //==============================================================================
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60 // Functions
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61
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62
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63 static int DDS4XAD9959_SendCmd(int DDSNum,char *Buffer) ; // essentially a private function, hence the static scope...
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64 int DDS4XAD9959_SetFrequency(DDS4XAD9959_Data * Instance, int DDSNum, double Freq) ;
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65 int DDS4XAD9959_Reset(DDS4XAD9959_Data * Instance) ;
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66
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67 #ifdef __cplusplus
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68 }
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69 #endif
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70
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71 #endif /* ndef __DDS2XAD9858_H__ */