Systems Alliance.docVIP

Systems Alliance VPP-4.3.2: VISA Implementation Specification for Textual Languages June 9, 2010 Revision 5.0  Systems Alliance VPP-4.3.2 Revision History This section is an overview of the revision history of the VPP-4.3.2 specification. Revision 1.0, December 29, 1995 Original VISA document. Changes from VISA Transition Library include bindings for locking, asynchronous I/O, 32-bit register access, block moves, shared memory operations, and serial interface support. Revision 1.1, January 22, 1997 Added new attributes, error codes, events, and formatted I/O modifiers. Revision 2.0, December 5, 1997 Added error handling event, more formatted I/O operations, more serial attributes and extended searching capabilities. Changed ANSI C representation of attribute and event constants from ending in “L” to “UL” because they are all unsigned values. Revision 2.0.1, December 4, 1998 Added new types to visatype.h for instrument drivers. Added new modes to give more robust functionality to viGpibControlREN. Updated information regarding contacting the Alliance. Revision 2.2, November 19, 1999 Added new resource classes for GPIB (INTFC and SERVANT), VXI (BACKPLANE and SERVANT), and TCPIP (INSTR, SOCKET, and SERVANT). Revision 3.0 Draft, January 14, 2003 Added new resource class for USB (INSTR). Removed definitions for the obsolete WIN framework (Windows 3.x), but this does not preclude a vendor implementation of VISA 3.0 on that framework. Revision 3.0, January 15, 2004 Approved at IVI Board of Directors meeting. Revision 4.0 Draft, May 16, 2006 Added new resource class for PXI (INSTR) to incorporate PXISA extensions. Added 64-bit extensions for register-based operations. Added support for WIN64 framework. Revision 4.0, October 12, 2006 Approved at IVI Board of Directors meeting. Revision 4.1, February 14, 2008 Updated the introduction to reflect the IVI Foundation organization changes. Replaced Notice with text used by IVI Foundation specifications. Revision 4.1, Apri