/*---------  gpib.h  Dec 95 ------------*/


#define GpibBase 0x00002000  /* GPIB-1014's Base Address in memory */

                       /*-----  GPIB-1014 Register Group  -----*/
#define DIR	0x111         
#define CDOR	0x111
#define ISR1	0x113
#define IMR1	0x113
#define ISR2	0x115
#define IMR2	0x115
#define SPSR	0x117
#define SPMR	0x117
#define ADSR	0x119
#define ADMR	0x119
#define CPTR	0x11b
#define	AUXMR	0x11b
#define ADR0	0x11d
#define	ADR	0x11d
#define ADR1	0x11f
#define EOSR	0x11f
#define MTC0	0x00a
#define MAR0	0x00c
#define MFC0	0x029
#define CSR0	0x000
#define DCR0	0x004
#define OCR0	0x005
#define SCR0	0x006
#define CCR0	0x007
#define MTC1	0x04a
#define MAR1	0x04c
#define MFC1	0x069
#define BTC1	0x05a
#define BAR1	0x05c
#define BFC1	0x079
#define CSR1	0x040
#define DCR1	0x044
#define OCR1	0x045
#define SCR1	0x046
#define CCR1	0x047
#define CFG1	0x101
#define CFG2	0x105

#define DI	  1     /*---  ISR1 Bits  ---*/
#define DO	  2
#define ERR	  4
#define ENDRX	 16
                        /*---  ISR2 Bits  ---*/
#define CO	  8

#define NATN	 64     /*---  ADSR Bits  ---*/

#define MODE1	  1     /*---  ADME Bits  ---*/
#define TRM	 48

#define DT1	 64     /*---  ADR Bits   ---*/
#define DL1	 32

#define ICR	 32     /*---  AUXMR Hidden Registers  ---*/
#define PPR	 96
#define AUXRA	128
#define AUXRB	160
#define AUXRE	192

#define IEPON	  0     /*---  AUXMR Commands  ---*/
#define FH	  3
#define GTS	 16
#define TCA	 17
#define TCS	 18
#define TCSE	 26
#define LTN	 19
#define LTNC	 27
#define LUN	 28
#define SIFC	 30
#define CIFC	 22
#define SREN	 31
#define CREN	 23
#define CRST	  2
#define SEOI      6

                     /*-----  DMA Register group  -----*/
#define GTM	130     
#define MTG	  2
#define ACHN	  8

#define MCU	  4

#define GO	128
#define STOP	 16

#define CLRS	255
#define COC	128
#define CERR	 16
#define ACT	  8
#define PCT	  2  

#define ECC	  4  /*---  CFG1 Bits  ---*/
#define IN	  1
#define OUT	  0

#define SLMR	 10  /*---  CFG2 Bits  ---*/ 
#define CLMR	  8

#define TCT	  9  /*---  GPIB Commands  ---*/
#define UNL	 63
#define UNT	 95

                     /*---  User Specified Constants  ---*/
#define SEL0	  0
#define SEL1	128
#define MA	  1     /* GPIB address of GPIB-1014 */
#define SC	  9
#define ROR	  2
#define TMODE	160
#define TIMEOUT  20     /* timeout in seconds for unsuccessful */
                        /* read and write operations           */

#define BRG	 24
#define ADMC	  6

#define DMAO     32
#define DMAI     16
#define FF     0xff 

unsigned char *GpibReg;  /* pointer to the GPIB-1014 memory */
                         /* size=8479 = 0x2000+0x11F        */

int GPIB_ERR;            /* bit 0: no listener */
                         /* bit 1: timeout     */


int gpib_write(unsigned char *,unsigned char);
int gpib_read(unsigned char *,int,unsigned char);
int byte_write(unsigned char);
int cmd_write(unsigned char);
int gpib_init();
int gpib_ren();
int gpib_ifc();
int gpib_end();