digi.h

这是一个SIGMA方案的PMP播放器的UCLINUX程序,可播放DVD,VCD,CD MP3...有很好的参考价值.

/*          Definitions for DigiBoard ditty(1) command.                 */

#if !defined(TIOCMODG)
#define	TIOCMODG	(('d'<<8) | 250)		/* get modem ctrl state	*/
#define	TIOCMODS	(('d'<<8) | 251)		/* set modem ctrl state	*/
#endif

#if !defined(TIOCMSET)
#define	TIOCMSET	(('d'<<8) | 252)		/* set modem ctrl state	*/
#define	TIOCMGET	(('d'<<8) | 253)		/* set modem ctrl state	*/
#endif

#if !defined(TIOCMBIC)
#define	TIOCMBIC	(('d'<<8) | 254)		/* set modem ctrl state */
#define	TIOCMBIS	(('d'<<8) | 255)		/* set modem ctrl state */
#endif

#if !defined(TIOCSDTR)
#define	TIOCSDTR	(('e'<<8) | 0)		/* set DTR		*/
#define	TIOCCDTR	(('e'<<8) | 1)		/* clear DTR		*/
#endif

/************************************************************************
 * Ioctl command arguments for DIGI parameters.
 ************************************************************************/
#define DIGI_GETA	(('e'<<8) | 94)		/* Read params		*/

#define DIGI_SETA	(('e'<<8) | 95)		/* Set params		*/
#define DIGI_SETAW	(('e'<<8) | 96)		/* Drain & set params	*/
#define DIGI_SETAF	(('e'<<8) | 97)		/* Drain, flush & set params */

#define	DIGI_GETFLOW	(('e'<<8) | 99)		/* Get startc/stopc flow */
						/* control characters 	 */
#define	DIGI_SETFLOW	(('e'<<8) | 100)		/* Set startc/stopc flow */
						/* control characters	 */
#define	DIGI_GETAFLOW	(('e'<<8) | 101)		/* Get Aux. startc/stopc */
						/* flow control chars 	 */
#define	DIGI_SETAFLOW	(('e'<<8) | 102)		/* Set Aux. startc/stopc */
						/* flow control chars	 */

struct	digiflow_struct {
	unsigned char	startc;				/* flow cntl start char	*/
	unsigned char	stopc;				/* flow cntl stop char	*/
};

typedef struct digiflow_struct digiflow_t;


/************************************************************************
 * Values for digi_flags 
 ************************************************************************/
#define DIGI_IXON	0x0001		/* Handle IXON in the FEP	*/
#define DIGI_FAST	0x0002		/* Fast baud rates		*/
#define RTSPACE		0x0004		/* RTS input flow control	*/
#define CTSPACE		0x0008		/* CTS output flow control	*/
#define DSRPACE		0x0010		/* DSR output flow control	*/
#define DCDPACE		0x0020		/* DCD output flow control	*/
#define DTRPACE		0x0040		/* DTR input flow control	*/
#define DIGI_FORCEDCD	0x0100		/* Force carrier		*/
#define	DIGI_ALTPIN	0x0200		/* Alternate RJ-45 pin config	*/
#define	DIGI_AIXON	0x0400		/* Aux flow control in fep	*/


/************************************************************************
 * Structure used with ioctl commands for DIGI parameters.
 ************************************************************************/
struct digi_struct {
	unsigned short	digi_flags;		/* Flags (see above)	*/
};

typedef struct digi_struct digi_t;