The Digitizer Status Registers

The Status

Subsystem

Commands

This chapter describes the HP E1429 digitizer status system. Included is information on the STATus subsystem commands, the status groups used by the digitizer, the conditions monitored by each group, and information on how to enable a condition to interrupt a computer.

The commands included in the STATus subsystem are:

STATus :OPC

:INITiate <state > :OPERationQUEStionable

[:CONDition]? :ENABle <unmask > [:EVENt]?

:NTRansition <unmask > :PTRansition <unmask >

:PRESet

Status System Registers

Operating conditions within the digitizer are monitored by registers in various status groups. The status groups implemented by the digitizer are:

Questionable Signal Status Group

condition register

transition filter

event register

enable register

Operation Status Group

condition register

transition filter

event register

enable register

Standard Event Status Group

standard event status register

standard event status enable register

Status Byte Status Group

status byte register

service request enable register

The relationship between the registers and filters in these groups is shown in Figure 3-16.

Chapter 3

Understanding the HP E1429 Digitizer 165

Page 165
Image 165
HP E1429A manual Digitizer Status Registers, Status Subsystem Commands, Status System Registers