File content as of revision 7:0c1bbd80bec3:

#ifndef SENSIRION_SF04_TYPEDEFS_H
#define SENSIRION_SF04_TYPEDEFS_H
//==============================================================================
// S E N S I R I O N AG, Laubisruetistr. 50, CH-8712 Staefa, Switzerland
//==============================================================================
// Project : SF04 Sample Code (V1.0)
// File : typedefs.h
// Author : MST
// Controller: NEC V850/SG3 (uPD70F3740)
// Compiler : IAR compiler for V850 (3.50A)
// Brief : Definitions of typedefs for good readability and portability
//==============================================================================
//---------- Defines -----------------------------------------------------------
//Processor endian system
//#define BIG ENDIAN //e.g. Motorola (not tested at this time)
#define LITTLE_ENDIAN //e.g. PIC, 8051, NEC V850
//==============================================================================
// basic types: making the size of types clear
//==============================================================================
typedef unsigned char u8t; ///< range: 0 .. 255
typedef signed char i8t; ///< range: -128 .. +127

typedef unsigned short u16t; ///< range: 0 .. 65535
typedef signed short i16t; ///< range: -32768 .. +32767

typedef unsigned long u32t; ///< range: 0 .. 4'294'967'295
typedef signed long i32t; ///< range: -2'147'483'648 .. +2'147'483'647

typedef float ft; ///< range: +-1.18E-38 .. +-3.39E+38
typedef double dt; ///< range: .. +-1.79E+308

typedef bool bt; ///< values: 0, 1 (real bool used)

typedef union {
    u16t u16; // element specifier for accessing the whole u16
    i16t i16; // element specifier for accessing the whole i16
    struct {
#ifdef LITTLE_ENDIAN // Byte-order is little endian
        u8t u8L; // element specifier for accessing the low u8
        u8t u8H; // element specifier for accessing the high u8
#else // Byte-order is big endian
        u8t u8H; // element specifier for accessing the low u8
        u8t u8L; // element specifier for accessing the high u8
#endif
    } s16; // element spec. for acc. struct with low or high u8
} nt16;

typedef union {
    u32t u32; // element specifier for accessing the whole u32
    i32t i32; // element specifier for accessing the whole i32
    struct {
#ifdef LITTLE_ENDIAN // Byte-order is little endian
        u16t u16L; // element specifier for accessing the low u16
        u16t u16H; // element specifier for accessing the high u16
#else // Byte-order is big endian
        u16t u16H; // element specifier for accessing the low u16
        u16t u16L; // element specifier for accessing the high u16
#endif
    } s32; // element spec. for acc. struct with low or high u16
} nt32;
#endif