sys.h

合众达6713DSP开发板mp3低通滤波

/*
 *  Copyright 2003 by Texas Instruments Incorporated.
 *  All rights reserved. Property of Texas Instruments Incorporated.
 *  Restricted rights to use, duplicate or disclose this code are
 *  granted through contract.
 *  
 */
/* "@(#) DSP/BIOS 4.90.270 12-18-03 (barracuda-o04)" */
/*
 *  ======== sys.h ========
 *
 */

#ifndef SYS_
#define SYS_

#include <stdarg.h>

#ifdef __cplusplus
extern "C" {
#endif

typedef struct SYS_Config {
    Fxn	ABORTFXN;
    Fxn ERRORFXN;
    Fxn EXITFXN;
    Fxn PUTCFXN;
} SYS_Config;

extern SYS_Config *SYS;

/*
 *  constants
 */
#define SYS_FOREVER	((Uns)-1)	/* used by SEM_pend(), ... */
#define SYS_POLL	((Uns)0)	/* used by SEM_pend(), ... */

/*
 *  error codes
 */
#define SYS_OK		0		/* no error */
#define SYS_EALLOC	1		/* memory allocation error */
#define SYS_EFREE	2		/* memory free error */
#define SYS_ENODEV	3		/* device driver not found */
#define SYS_EBUSY	4		/* device driver busy */
#define SYS_EINVAL	5		/* invalid parameter for device */
#define SYS_EBADIO	6		/* IO failure */
#define SYS_EMODE	7		/* bad mode for device driver */
#define SYS_EDOMAIN	8		/* domain error */
#define SYS_ETIMEOUT	9		/* timeout error */
#define SYS_EEOF	10		/* end-of-file */
#define SYS_EDEAD	11		/* previously deleted object */
#define SYS_EBADOBJ	12		/* invalid object */

#define SYS_EUSER	256		/* user errors start here */

#define SYS_NUMHANDLERS	8		/* number of atexit handlers */

#define SYS_putchar(ch)	(*(SYS->PUTCFXN))(ch)
#define SYS_nop() FXN_F_nop()

extern Fxn SYS_exitStack[];
extern Fxn *SYS_exitStackPtr;
extern Fxn *SYS_exitStackTop;
extern Int SYS_PUTCBEG, SYS_PUTCEND;

extern String SYS_errors[];		/* system error strings */

extern Void SYS_abort(String fmt, ...);
extern Bool SYS_atexit(Fxn fxn);
extern Void SYS_error(String s, Int errno, ...);
extern Void SYS_exit(Int status);
extern Int SYS_one(void);
extern Void SYS_printf(String fmt, ...);
extern Void SYS_sprintf(Char *buf, String fmt, ...);
extern Void SYS_start(void);
extern Void SYS_vprintf(String fmt, va_list va);
extern Void SYS_vsprintf(Char *buf, String fmt, va_list va);
extern Int SYS_zero(void);

#ifdef __cplusplus
}
#endif /* extern "C" */

#endif /* SYS_ */