channel.h

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/* -*- mode: c; c-basic-offset: 4; -*- */
#ifndef CHANNEL_H
#define CHANNEL_H
 
#include <stddef.h>
#include <sys/types.h>
 
#ifndef DLL_EXPORT
#if WIN32 || WIN64
#define DLL_EXPORT __declspec( dllexport )
#else
#define DLL_EXPORT
#endif /* WIN32 || WIN64 */
#endif /* DLL_EXPORT */
 
typedef enum chantype {
 
    cUnknown,
 
    cOnline,
 
    cRaw,
 
    cRDS,
 
    cSTrend,
 
    cMTrend,
 
    cTestPoint,
 
    cStatic,
 
    cSimData
 
} chantype_t;
 
#define MAX_LONG_CHANNEL_NAME_LENGTH 255
 
#define MAX_CHANNEL_NAME_LENGTH 64
 
#define MAX_SIGNAL_UNIT_LENGTH 40
 
typedef enum {
    _undefined = 0,
 
    _16bit_integer = 1,
 
    _32bit_integer = 2,
 
    _64bit_integer = 3,
 
    _32bit_float = 4,
 
    _64bit_double = 5,
 
    _32bit_complex = 6,
 
    _32bit_uint = 7
} daq_data_t;
 
#define MIN_DATA_TYPE _16bit_integer
 
#define MAX_DATA_TYPE _32bit_uint
 
DLL_EXPORT chantype_t cvt_str_chantype( const char* str );
 
DLL_EXPORT const char* cvt_chantype_str( chantype_t code );
 
DLL_EXPORT size_t data_type_size( daq_data_t dtype );
 
DLL_EXPORT double data_type_max( daq_data_t dtype );
 
DLL_EXPORT const char* data_type_name( daq_data_t dtype );
 
DLL_EXPORT daq_data_t data_type_code( const char* name );
 
DLL_EXPORT size_t data_type_word( daq_data_t dtype );
 
#endif