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/**************************************************************************
*
* $Id: mbgserio.h 1.4 2009/09/01 10:54:29 martin REL_M $
*
* Copyright (c) Meinberg Funkuhren, Bad Pyrmont, Germany
*
* Description:
* Definitions and prototypes for mbgserio.c.
*
* -----------------------------------------------------------------------
* $Log: mbgserio.h $
* Revision 1.4 2009/09/01 10:54:29 martin
* Include mbg_tmo.h for the new portable timeout functions.
* Added symbols for return codes in case of an error.
* Code cleanup.
* Revision 1.3 2009/04/01 14:17:31 martin
* Cleanup for CVI.
* Revision 1.2 2008/09/04 15:11:36Z martin
* Preliminary support for device lists.
* Updated function prototypes.
* Revision 1.1 2007/11/12 16:48:02 martin
* Initial revision.
*
**************************************************************************/
#ifndef _MBGSERIO_H
#define _MBGSERIO_H
/* Other headers to be included */
#include <mbg_tmo.h>
#include <stdlib.h>
#include <string.h>
#if defined( MBG_TGT_UNIX )
#include <termios.h>
#endif
#if _USE_CHK_TSTR
#include <chk_tstr.h>
#endif
#if !defined( _USE_SELECT_FOR_SERIAL_IO )
#if defined( MBG_TGT_UNIX )
#define _USE_SELECT_FOR_SERIAL_IO 1
#else
#define _USE_SELECT_FOR_SERIAL_IO 0
#endif
#endif
#ifdef _MBGSERIO
#define _ext
#define _DO_INIT
#else
#define _ext extern
#endif
/* Start of header body */
#define MBGSERIO_FAIL -1 // Generic I/O error
#define MBGSERIO_TIMEOUT -2 // timeout
#define MBGSERIO_INV_CFG -3 // invalid configuration parameters
#if !defined( DEFAULT_DEV_NAME )
#if defined( MBG_TGT_WIN32 ) || defined( MBG_TGT_DOS )
#define DEFAULT_DEV_NAME "COM1"
#elif defined( MBG_TGT_LINUX )
#define DEFAULT_DEV_NAME "/dev/ttyS0"
#endif
#endif
/*
* The following macros control parts of the build process.
* The default values are suitable for most cases but can be
* overridden by global definitions, if required.
*/
#if _IS_MBG_FIRMWARE
// This handle type in not used by the firmware.
// However, we define it to avoid build errors.
typedef int MBG_HANDLE;
#else
#if defined( MBG_TGT_CVI )
#include <rs232.h>
#define _mbg_open _open
#define _mbg_close _close
#define _mbg_read _read
#define _mbg_write _write
#define _mbgserio_write( _dh, _p, _sz ) \
ComWrt( _dh, (char *) (_p), _sz )
#define _mbgserio_read( _dh, _p, _sz ) \
ComRd( _dh, (char *) (_p), _sz )
#elif defined( MBG_TGT_WIN32 )
#include <windows.h>
#include <io.h>
#define _mbg_open _open
#define _mbg_close _close
#define _mbg_read _read
#define _mbg_write _write
#define _mbgserio_write mbgserio_write
#define _mbgserio_read mbgserio_read
#elif defined( MBG_TGT_UNIX )
#include <unistd.h>
#define _mbg_open open
#define _mbg_close close
#define _mbg_read read
#define _mbg_write write
#elif defined( MBG_TGT_DOS )
#if defined( _USE_V24TOOLS )
#include <v24tools.h>
#define _mbgserio_open v24open
#define _mbgserio_read v24read
#define _mbgserio_write v24write
#endif
#endif
#if !defined( _mbgserio_open )
#define _mbgserio_open _mbg_open
#endif
#if !defined( _mbgserio_write )
#define _mbgserio_write _mbg_write
#endif
#if !defined( _mbgserio_read )
#define _mbgserio_read _mbg_read
#endif
#endif
typedef struct _MBG_STR_LIST
{
char *s;
struct _MBG_STR_LIST *next;
} MBG_STR_LIST;
typedef struct
{
MBG_PORT_HANDLE port_handle; // the handle that will be used for the device
#if defined( MBG_TGT_WIN32 )
DCB old_dcb;
COMMTIMEOUTS old_commtimeouts;
#endif
#if defined( MBG_TGT_UNIX )
struct termios oldtio;
//##++ struct termios newtio;
#endif
} SERIAL_IO_STATUS;
/* function prototypes: */
#ifdef __cplusplus
extern "C" {
#endif
/* ----- function prototypes begin ----- */
/* This section was generated automatically */
/* by MAKEHDR, do not remove the comments. */
_MBG_API_ATTR int _MBG_API mbgserio_open( SERIAL_IO_STATUS *pst, const char *dev ) ;
_MBG_API_ATTR int _MBG_API mbgserio_close( SERIAL_IO_STATUS *pst ) ;
_MBG_API_ATTR int _MBG_API mbgserio_setup_port_str_list( MBG_STR_LIST **list, int max_devs ) ;
_MBG_API_ATTR void _MBG_API _MBG_API mbgserio_free_str_list( MBG_STR_LIST *list ) ;
_MBG_API_ATTR int _MBG_API mbgserio_set_parms( SERIAL_IO_STATUS *pst, uint32_t baud_rate, const char *framing ) ;
_MBG_API_ATTR int _MBG_API mbgserio_read( MBG_PORT_HANDLE h, void *buffer, unsigned int count ) ;
_MBG_API_ATTR int _MBG_API mbgserio_write( MBG_PORT_HANDLE h, const void *buffer, unsigned int count ) ;
_MBG_API_ATTR int _MBG_API mbgserio_read_wait( MBG_PORT_HANDLE h, void *buffer, uint count, ulong char_timeout ) ;
/* ----- function prototypes end ----- */
#ifdef __cplusplus
}
#endif
/* End of header body */
#undef _ext
#undef _DO_INIT
#endif /* _MBGSERIO_H */
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