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Text File | 1996-05-01 | 4.6 KB | 174 lines | [TEXT/MPS ] |
- ;
- ; File: ADB.a
- ;
- ; Contains: ADB Interface for System 8
- ;
- ; Version: Technology:
- ; Release: Universal Interfaces 3.0d3 on Copland DR1
- ;
- ; Copyright: © 1984-1996 by Apple Computer, Inc. All rights reserved.
- ;
- ; Bugs?: If you find a problem with this file, send the file and version
- ; information (from above) and the problem description to:
- ;
- ; Internet: apple.bugs@applelink.apple.com
- ; AppleLink: APPLE.BUGS
- ;
- ;
- IF &TYPE('__ADB__') = 'UNDEFINED' THEN
- __ADB__ SET 1
-
- IF &TYPE('__TYPES__') = 'UNDEFINED' THEN
- include 'Types.a'
- ENDIF
- IF &TYPE('__IOITERATOR__') = 'UNDEFINED' THEN
- include 'IOIterator.a'
- ENDIF
- IF FOR_SYSTEM8_PREEMPTIVE THEN
- ;
- ;------------------------------------------------------------------------------------
- ; Types
- ;------------------------------------------------------------------------------------
- ;
-
- kADBCurrentIteratorDescVersion EQU 1
- ADBIOIteratorData RECORD 0
- IOCI ds IOCommonInfo ; offset: $0 (0) ; common data for all families
- currentAddress ds.b 1 ; offset: $14 (20)
- defaultAddress ds.b 1 ; offset: $15 (21)
- defaultHandlerID ds.b 1 ; offset: $16 (22)
- ORG 24
- sizeof EQU * ; size: $18 (24)
- ENDR
- ; typedef UInt32 ADBConnectionID
-
- ADBRegisterContents RECORD 0
- data ds.b 8 ; offset: $0 (0)
- length ds.l 1 ; offset: $8 (8)
- sizeof EQU * ; size: $C (12)
- ENDR
- ;
- ;------------------------------------------------------------------------------------
- ; Calls
- ;------------------------------------------------------------------------------------
- ;
- ;
- ; extern OSStatus ADBGetDeviceData(ItemCount requestCount, ItemCount *totalCount, ADBIOIteratorData *deviceData)
- ;
- IF GENERATINGCFM THEN
- IMPORT_CFM_FUNCTION ADBGetDeviceData
- ENDIF
-
- ;
- ; extern OSStatus ADBOpen(const IODeviceRef *ref, ADBConnectionID *connection)
- ;
- IF GENERATINGCFM THEN
- IMPORT_CFM_FUNCTION ADBOpen
- ENDIF
-
- ;
- ; extern OSStatus ADBClose(ADBConnectionID connection)
- ;
- IF GENERATINGCFM THEN
- IMPORT_CFM_FUNCTION ADBClose
- ENDIF
-
- ;
- ; extern OSStatus ADBGetNextAutopoll(ADBConnectionID connection, Duration timeOut, ADBRegisterContents *contents, AbsoluteTime *timestamp)
- ;
- IF GENERATINGCFM THEN
- IMPORT_CFM_FUNCTION ADBGetNextAutopoll
- ENDIF
-
- ; ADBGetRegister sends a Talk command over the wire
- ;
- ; extern OSStatus ADBGetRegister(ADBConnectionID connection, Byte registerNumber, ADBRegisterContents *contents, AbsoluteTime *timestamp)
- ;
- IF GENERATINGCFM THEN
- IMPORT_CFM_FUNCTION ADBGetRegister
- ENDIF
-
- ;
- ; ADBSetRegister sends a Listen command over the wire
- ; Note, only allowed for registers 0, 1, and 2
- ; Use the specific calls to set individual fields of register 3
- ;
- ;
- ; extern OSStatus ADBSetRegister(ADBConnectionID connection, Byte registerNumber, const ADBRegisterContents *contents)
- ;
- IF GENERATINGCFM THEN
- IMPORT_CFM_FUNCTION ADBSetRegister
- ENDIF
-
- ;
- ; extern OSStatus ADBGetHandlerID(ADBConnectionID connection, Byte *handlerID)
- ;
- IF GENERATINGCFM THEN
- IMPORT_CFM_FUNCTION ADBGetHandlerID
- ENDIF
-
- ;
- ; extern OSStatus ADBSetHandlerID(ADBConnectionID connection, Byte handlerID)
- ;
- IF GENERATINGCFM THEN
- IMPORT_CFM_FUNCTION ADBSetHandlerID
- ENDIF
-
- ;
- ; for ADBGetStatusBits and ADBSetStatusBits,
- ; the 4 most significant bits of the bits parameter
- ; contain the 4 most significant bits of the first byte of device register 3
- ;
- ;
- ; extern OSStatus ADBGetStatusBits(ADBConnectionID connection, Byte *bits)
- ;
- IF GENERATINGCFM THEN
- IMPORT_CFM_FUNCTION ADBGetStatusBits
- ENDIF
-
- ;
- ; extern OSStatus ADBSetStatusBits(ADBConnectionID connection, Byte bits)
- ;
- IF GENERATINGCFM THEN
- IMPORT_CFM_FUNCTION ADBSetStatusBits
- ENDIF
-
- ; see the Guide to Macintosh Family Hardware for more info on an ADB device activator
- ;
- ; extern OSStatus ADBTestActivator(ADBConnectionID connection, Boolean *activatorPressed)
- ;
- IF GENERATINGCFM THEN
- IMPORT_CFM_FUNCTION ADBTestActivator
- ENDIF
-
- ;
- ; extern OSStatus ADBFlush(ADBConnectionID connection)
- ;
- IF GENERATINGCFM THEN
- IMPORT_CFM_FUNCTION ADBFlush
- ENDIF
-
- ;
- ; extern OSStatus ADBResetBus(void )
- ;
- IF GENERATINGCFM THEN
- IMPORT_CFM_FUNCTION ADBResetBus
- ENDIF
-
- ;
- ;------------------------------------------------------------------------------------
- ; status codes
- ;------------------------------------------------------------------------------------
- ;
- ; ADB assigned range is -30279 to -30260 inclusive
-
- adbDeviceBusyErr EQU -30279 ; device already Opened
- adbInvalidConnectionIDErr EQU -30278
- adbConnectionTerminatedErr EQU -30277 ; device closed or unplugged during the call
- adbDeviceTimeoutErr EQU -30276
- adbReservedHandlerIDErr EQU -30275
- adbInvalidHandlerIDErr EQU -30274
- ENDIF
- ENDIF ; __ADB__
-
-