Rockwell Automation 6008-SV2R VMEbus remote I/O Scanner - Manual (Page 164)

Chapter
Programming the Scanner
8
8Ć30
/* 6008–SV2 Scanner Constants */
#define SVC_SETUP_SIZE
7
#define SVC_IOASWBLK_SIZE 32
#define SVC_FAULTGRP_SIZE 32
#define SVS_SETUP_SIZE 12
#define SVS_IOASWBLK_SIZE 64
#define SVS_FAULTGRP_SIZE 64
/* 6008–SV2 Scanner Channel semaphore */
#define SEMAPHORE
0x0080 /* bit 7 of semaphore word */
/*
** Channel Context structure
*/
typedef struct {
unsigned long ScannerAddress; /* VME address */
unsigned short AddressMode; /* VME address mode */
int ScannerMode; /* operating mode (SVC,SVS) */
unsigned short CmdCmplIrq; /* cmd–complete IRQ level */
unsigned short CmdCmplVec; /* cmd–complete IRQ vector */
unsigned long TimeOut; /* interrupt timeout, in ms */
char far *ScannerBase; /* local ptr to channel */
char far *OutputTable; /* channel output table */
char far *InputTable; /* channel input table */
char far *ControlStatusArea; /* channel CSA */
char far *GeneralDataArea; /* channel general data area */
char far *ConBTWTable; /* continuous BT write table */
char far *ConBTRTable; /* continuous BT read table */
char far *ResetArea; /* reset area */
char far *VmeIdArea; /* VME ID/interrupt area */
unsigned long stash; /* bus manager context */
} channel;
/*
** Control/Status Area structure
*/
typedef struct {
unsigned short opstat; /* Operating Status Word */
unsigned short cnfstat; /* Confirmation Status Word */
unsigned short cmd; /* Command Word */
unsigned short addr; /* Block Transfer Address Word */
unsigned short tag; /* Block Transfer Tag Word */
unsigned short irq; /* Block Transfer Interrupt Word */
unsigned short iitm; /* IITM Index Word */
unsigned short res[7]; /* reserved fields */
unsigned short semaphore; /* Semaphore Word */
unsigned short datalen; /* Length of Data Word */
} csa_data;