DAQHeader.h

/*
*  Thanks to Karsten Schmidt for solving the alignment
*  problem of the variables by the gcc compiler.
*                 <Karsten.Schmidt@student.uni-ulm.de>
*/
#ifndef _DAQHEADER_H
#define _DAQHEADER_H

/*==========================================

Map of DAQ File
+-------------------------+
|                         |
|         Header          |
|                         |
+-------------------------+
|      ChannelRange       |
|       (Optional)        |
+-------------------------+
|   ChannelCompensation   |
|   (Only for PCI-9524)   |
+-------------------------+
|                         |
|         DAQ data        |
|                         |
|                         |
+-------------------------+

============================================*/

/*size is 60 bytes*/
typedef struct _DAQFILE_HEADER
{
  char          ID[10];               //ex "ADLinkDAQ1"
  short         card_type;            //Pci7250, Pci9112...(include DG, HR, HG)
  short         num_of_channel;       //1, 2,...
  unsigned char channel_no;           //used only num_of_channel is 1
  long          num_of_scan;
  short         data_width;           //0: 8 bits, 1: 16 bits, 2: 32 bits
  short         channel_order;        //0: 0-1-2-3, 1: 3-2-1-0, 2: custom
  short         ad_range;
  double        scan_rate;
  short         num_of_channel_range;
  char          start_date[8];        //"12/31/99"
  char          start_time[8];        //"18:30:25"
  char          start_millisec[3];    //"360"
  char          reserved[6];
}
__attribute__((packed)) DAQFileHeader;


typedef struct _CHANNEL_RANGE
{
  unsigned char channel;
  unsigned char range;
}
__attribute__((packed)) DAQChannelRange;


typedef struct _Channel_Compensation_9524
{
  double residual_offset;
  double residual_scaling;
}
__attribute__((packed)) ChannelCompensation9524;


#endif