/*!
 * \file global.h
 * \author S. Eisenhauer
 * \date 31.08.2011
 * \brief Global include file
 *
 * This file is used in all other components
 * It defines
 * \li common datatypes
 * \li a macro for printing error messages to STDERR
 * \li a macro for printing debug messages to STDOUT when compiled with -DDEBUG_MODE
 *
 */

#ifndef GLOBAL_H_
#define GLOBAL_H_

#include <stdio.h>

#ifdef _MSC_VER

#define nLITTLE_ENDIAN_HOST

#include <boost/cstdint.hpp>
using boost::uint32_t;
using boost::int32_t;
using boost::uint8_t;
using boost::int8_t;

#ifdef DEBUG_MODE

#define DEBUG_PRINT(format, ...) \
		{ \
			static char message[512]; \
			sprintf_s(message,512,format, __VA_ARGS__); \
			fprintf(stdout, "[%s] line %d : %s\n", __FUNCTION__,__LINE__, message); \
			fflush(stdout); \
		}

#else /* !DEBUG_MODE */

#define DEBUG_PRINT(format, ...)

#endif /* !DEBUG_MODE */

#define ERROR_PRINT(format, ...) \
		{ \
			static char message[512]; \
			sprintf_s(message,512,format, __VA_ARGS__); \
			fprintf(stderr, "[%s] line %d : %s\n", __FUNCTION__,__LINE__, message); \
			fflush(stderr); \
		}

#else /* x2e embedded SDK*/

#include <stdint.h>
#ifdef DEBUG_MODE

#define DEBUG_PRINT(format, args...) \
		{ \
			static char message[512]; \
			snprintf(message,512,format, ##args); \
			fprintf(stdout, "[%s] line %d : %s\n", __PRETTY_FUNCTION__,__LINE__, message); \
			fflush(stdout); \
		}

#else /* !DEBUG_MODE */

#define DEBUG_PRINT(format, args...)

#endif /* !DEBUG_MODE */

#define ERROR_PRINT(format, args...) \
		{ \
			static char message[512]; \
			snprintf(message,512,format, ##args); \
			fprintf(stderr, "[%s] line %d : %s\n", __PRETTY_FUNCTION__,__LINE__, message); \
			fflush(stderr); \
		}
#endif /* _MSC_VER */

#ifdef nLITTLE_ENDIAN_HOST /* little endian macros, convert to big endian byte order */
#define BYTE_SWAP16(type,value) \
	( (type) ((0xff00 & val) >> 8) | ((0xff & val) << 8) )

#define BYTE_SWAP32(type,value) \
	( (type) ((0xff000000 & value) >> 24) | \
			((0x00ff0000 & value) >> 8) | \
			((0x0000ff00 & value) << 8) | \
			((0x000000ff & value) << 24) )

#define MAKE_INT32(a,b,c,d)		int32_t( ( ( (uint32_t) d ) << 24 ) | ( ( (uint32_t) c ) << 16 ) | ( ( (uint32_t) b ) << 8 ) | uint8_t(a)  )
#define MAKE_UINT32(a,b,c,d)	uint32_t( ( ( (uint32_t) d ) << 24 ) | ( ( (uint32_t) c ) << 16 ) | ( ( (uint32_t) b ) << 8 ) | uint8_t(a)  )
#define HIGH_BYTE(w) uint8_t( w >> 8  )
#define LOW_BYTE(w) uint8_t( w & 0xff )
#define HIGH_WORD(dw) uint16_t( dw >> 16 )
#define LOW_WORD(dw) uint16_t( dw & 0xffff )

#else /* big endian macros, keep byte order*/
#define BYTE_SWAP16(type,value) \
	( (type) value )

#define BYTE_SWAP32(type,value) \
	( (type) value )
	
#define MAKE_INT32(a,b,c,d)		int32_t( ( ( (uint32_t) a ) << 24 ) | ( ( (uint32_t) b ) << 16 ) | ( ( (uint32_t) c ) << 8 ) | uint8_t(d)  )
#define MAKE_UINT32(a,b,c,d)	uint32_t( ( ( (uint32_t) a ) << 24 ) | ( ( (uint32_t) b ) << 16 ) | ( ( (uint32_t) c ) << 8 ) | uint8_t(d)  )
#define HIGH_BYTE(w) uint8_t( w & 0xff )
#define LOW_BYTE(w) uint8_t( w >> 8  )
#define HIGH_WORD(dw) uint16_t( dw & 0xffff )
#define LOW_WORD(dw) uint16_t( dw >> 16 )

#endif /* nLITTLE_ENDIAN_HOST endianess macros */

#define nTIMER_INTERVAL_US (1000) //timer interval in mircoseconds
#define nMAX_SAFE_STACK (4*1024)

/*!
 * \brief Enumeration of used priotities
 */
enum tenPrio
{
	nenRT=80,	//!< real-time priority, above interrupts
	nenNORMAL=20, //!< normal priority
	nenLOW=10 //!< low priority
};

/*!
 * \brief Enumeration for error codes
 */
enum tenRetCodes
{
	nenOK, //!< no error
    nenERR_SOFILE, //!< shared object file could not be opened
    nenERR_SYMBOL, //!< symbol could not be found in shared object
    nenERR_MAKE, //!< Executing the generated Makefile resulted in error state
    nenERR_FTP, //!< An error occured in FTP operation
    nenERR_NOTIMPLEMENTED, //!< invoking an unimplemented method
    nenERR_MOVELOG, //!< error in log rotation
    nenERR_MAX_PLUGINS_REACHED //!< Maximum number of active plugins reached
};
/*!
 * \brief Enumeration for message direction
 */
enum tenMsgDirection
{
	nenRx = 0, //!< received message
	nenTx = 1  //!< sent message
};
/*!
* \brief Definition of a received message
*/
struct tstLogMessage
{
	uint32_t u32TsHigh; //!< Upper 32 Bit of the 64 Bit 100 ns Timestamp
	uint32_t u32TsLow; //!< Lower 32 Bit of the 64 Bit 100 ns Timestamp
	int32_t	 i32Interface; //!< Interface-Handle on which the message was received
	uint32_t u32MsgId; //!< ID of the received message
	uint8_t  au8Data[8]; //!< Data of the received message
	uint8_t	 u8Dir; //!< direction of message
};
#endif /* GLOBAL_H_ */