KR960024862A - State Change Detection Method of Parallel Printers - Google Patents

State Change Detection Method of Parallel Printers Download PDF

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Publication number
KR960024862A
KR960024862A KR1019940040178A KR19940040178A KR960024862A KR 960024862 A KR960024862 A KR 960024862A KR 1019940040178 A KR1019940040178 A KR 1019940040178A KR 19940040178 A KR19940040178 A KR 19940040178A KR 960024862 A KR960024862 A KR 960024862A
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KR
South Korea
Prior art keywords
parallel printer
parallel
printer
host
interrupt
Prior art date
Application number
KR1019940040178A
Other languages
Korean (ko)
Inventor
이세민
Original Assignee
구자홍
Lg 전자 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 구자홍, Lg 전자 주식회사 filed Critical 구자홍
Priority to KR1019940040178A priority Critical patent/KR960024862A/en
Publication of KR960024862A publication Critical patent/KR960024862A/en

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Abstract

본 발명은 병렬 프린터의 상태변화 검색방법에 관한 것이다.The present invention relates to a state change search method of a parallel printer.

종래 병렬 프린터는 병렬 프린터의 변화된 상태를 호스트에 전달할 수 없어 호스트 사이드에서는 계속 정지(sleep) 상태에 있게되어 사용자는 병렬 프린터의 정상사용을 위해서는 해당 프로세서의 동작을 정지시키거나 심하면 컴퓨터에 시스템의 재부팅을 수행해야 하는 문제점이 있었다.Conventional parallel printers cannot communicate the changed status of the parallel printer to the host, and thus remain in a sleep state on the host side. The user can either stop the operation of the processor for normal use of the parallel printer, or even reboot the system to the computer. There was a problem that needs to be done.

따라서 본 발명은 상기한 문제점을 개선코자하여 지능 입출력 보드에서 병렬 프린터의 실시간 상태변화를 검색하여 이를 호스트에 즉시 전달하므로서 그 변화된 상태에 대한 서비스를 빨리 받을 수 있도록 한 것이다.Therefore, the present invention is to improve the above-mentioned problems to retrieve the real-time state change of the parallel printer in the intelligent input / output board and immediately transfer it to the host to receive the service for the changed state quickly.

Description

병렬프린터의 상태변화 검색방법.How to detect the state change of a parallel printer.

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제2도는 제1도의 동작처리 과정의 흐름도, 제3도는 본 발명에 의한 병렬 프린터의 상태변화 검색과정의 흐름도.2 is a flowchart of an operation process of FIG. 1, and FIG. 3 is a flowchart of a state change search process of a parallel printer according to the present invention.

Claims (2)

소정 시간마다 발생되는 인터럽트가 서비스 범위내의 디바이스인가를 검색하는 인터럽트 검색과정과, 상기 인터럽트가 병렬 프린터의 인터럽트 신호일 경우 병렬 프린터의 현상태의 전역 상태의 전역 변수를 비교하는 비교과정과, 상기 전상태와 현상태의 전역 변수값이 차이가 날경우 병력 프린터의 상태가 온라인 상태인가를 검색하여 그결과를 호스트에 송출하는 병렬 프린터상태 송출과정과, 상기 병렬 프린터의 현재상태의 전역변수 값을 전상태 전역변수에 업데이트 시킨 후 디바이스 번호변수를 1증가시키는 전역변수 업데이트 과정으로 이루어짐을 특징으로 한 병렬 프린터의 상태변화 검색방법.An interrupt search process for searching whether an interrupt generated every predetermined time is a device within a service range, a comparison process for comparing global variables of a global state of a parallel printer when the interrupt is an interrupt signal of a parallel printer, and If there is a difference in the current global variable value, the parallel printer status sending process of searching whether the status of the history printer is online and sending the result to the host; and the global variable value of the current status of the parallel printer. A method for retrieving status changes in a parallel printer, characterized in that it consists of a global variable update process that increments the device number variable by one after updating to. 제1항에 있어서, 상기 병렬 프린터 상태 송출과정은 상기 병렬 프린터가 온라인 상태일 경우 해당 신호로 호스트에 인터럽트를 수행하는 단계와, 상기 병렬 프린터가 오프라인 상태일 경우 해당 신호로 호스트에 인터럽트를 수행하는 단계로 이루어짐을 특징으로 한 병렬 프린터의 상태변화 검색방법.The method of claim 1, wherein the sending of the parallel printer status comprises interrupting the host with a corresponding signal when the parallel printer is online, and performing an interrupt to the host with a corresponding signal when the parallel printer is offline. A method for retrieving a state change of a parallel printer characterized by consisting of steps. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019940040178A 1994-12-30 1994-12-30 State Change Detection Method of Parallel Printers KR960024862A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019940040178A KR960024862A (en) 1994-12-30 1994-12-30 State Change Detection Method of Parallel Printers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019940040178A KR960024862A (en) 1994-12-30 1994-12-30 State Change Detection Method of Parallel Printers

Publications (1)

Publication Number Publication Date
KR960024862A true KR960024862A (en) 1996-07-20

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019940040178A KR960024862A (en) 1994-12-30 1994-12-30 State Change Detection Method of Parallel Printers

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KR (1) KR960024862A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100444988B1 (en) * 2001-12-20 2004-08-21 삼성전자주식회사 Method for transmitting printer information changed at realtime and network printer using the same
KR100472454B1 (en) * 2002-06-05 2005-03-10 삼성전자주식회사 Method for serving printer information and network printer using the same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100444988B1 (en) * 2001-12-20 2004-08-21 삼성전자주식회사 Method for transmitting printer information changed at realtime and network printer using the same
KR100472454B1 (en) * 2002-06-05 2005-03-10 삼성전자주식회사 Method for serving printer information and network printer using the same

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