KR970076279A - A processing method and apparatus for utilizing a single serial communication line in a versatile manner - Google Patents

A processing method and apparatus for utilizing a single serial communication line in a versatile manner Download PDF

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Publication number
KR970076279A
KR970076279A KR1019960015523A KR19960015523A KR970076279A KR 970076279 A KR970076279 A KR 970076279A KR 1019960015523 A KR1019960015523 A KR 1019960015523A KR 19960015523 A KR19960015523 A KR 19960015523A KR 970076279 A KR970076279 A KR 970076279A
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South Korea
Prior art keywords
cpu
debug
communication line
serial communication
code
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Ceased
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KR1019960015523A
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Korean (ko)
Inventor
송준식
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김주용
현대전자사업 주식회사
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Priority to KR1019960015523A priority Critical patent/KR970076279A/en
Publication of KR970076279A publication Critical patent/KR970076279A/en
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Abstract

기존의 모든 통신은 1개의 시리얼통신라인을 이용해 다른 시스템과의 연결에 모두 사용되고 있다. 그러나 이런 경우 예를들어 CPUB는 CPUA로부터 명령을 수신하여 수신한 처리데이타에 대한 동작결과를 CPUA로 전송한다.All existing communications are used for connection to other systems using a single serial communication line. However, in this case, for example, CPU B transfers the operation result to the data reception processing to receive a command from the CPU to the CPU A A.

그런데 이런 경우에는 CPUA와 CPUB사이에는 명령과 동작결과에 대한 데이타를 사용할 수 없어 두 시스템(CPUA, CPUB)간의 동작에 많은 영향을 미치게 된다.However, this case is not available for data for a command to the operation result between the CPU A and CPU B will effect a significant effect on the operation between the two systems (CPU A, CPU B).

그리하여 본 발명은 하나의 시리얼통신라인을 다용도로 활용하는 알고리즘을 제공해 주므로써 두 시스템(CPUA, CPUB)간의 동작에 영향을 미치고 않고 CPUA의 디버깅메세지와 같은 추가적은 데이타를 PC에서 수신하여 모니터링시킬 수 있게 하는데 있다.Thus, the present invention provides an algorithm that utilizes a single serial communication line in a versatile manner, so that it does not affect the operation between the two systems (CPU A and CPU B ) and receives a small amount of data, such as a debug message of the CPU A , To be monitored.

Description

하나의 시리얼통신라인을 다용도로 활용하는 처리방법 및 장치A processing method and apparatus for utilizing a single serial communication line in a versatile manner

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is a trivial issue, I did not include the contents of the text.

제1도는 본 발명의 시스템의 블록구성도.Figure 1 is a block diagram of a system of the present invention;

제2도는 본 발명에 따른 플로우차트.Figure 2 is a flow chart according to the present invention.

Claims (2)

데이타수신시 한 바이트를 리드하여 리드한 수신데이타가 디버그 스타트코드인가를 판별하는 판별과정과; 디버그스트코드이면 디버그플래그를 "온"으로 설정하는 온설정과정과; 디버그스타트코드가 아니면 디버그플래그가 "온"인가를 판별하는 온판별과정과; "온"이 아니면 커맨드로서 처리하여 종료시키는 종료과정과; 디버그코드이면 수신데이타가 디버그엔드코드인가를 판별하는 판별 과정과; 디버그엔드코드이면 디버그플래그를 "오프"로 설정하여 종료시키는 종료과정으로 이루어짐을 특징으로 하는 하나의 시리얼통신라인을 다용도로 활용하는 처리방법A discrimination step of discriminating whether the received data read by reading one byte at the time of data reception is a debug start code; Setting the debug flag to "on" if the debug trace code is set; If it is not the debug start code, it is determined that the debug flag is "on "; An ending process of terminating processing as a command if it is not "on "; Determining whether the received data is a debug end code if the received data is a debug code; And terminating the process by setting the debug flag to "off " if the debug end code is an end process. 두 중앙처리장치(CPUA), (CPUB)간의 동작에 영향을 미치지 않고 중앙처리장치(CPUA)의 디버깅메세지와 같은 추가적인 컴퓨터(PC)에서 수신하여 모니터링할 수 있게 구성함을 특징으로 하는 하나의 시리얼통신라인을 다용도로 활용하는 처리장치.(PC) such as a debugging message of the central processing unit (CPU A ) without affecting the operation between the two central processing units (CPU A ) and (CPU B ) A processing device that utilizes one serial communication line as a multi-purpose. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: It is disclosed by the contents of the first application.
KR1019960015523A 1996-05-10 1996-05-10 A processing method and apparatus for utilizing a single serial communication line in a versatile manner Ceased KR970076279A (en)

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KR1019960015523A KR970076279A (en) 1996-05-10 1996-05-10 A processing method and apparatus for utilizing a single serial communication line in a versatile manner

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KR1019960015523A KR970076279A (en) 1996-05-10 1996-05-10 A processing method and apparatus for utilizing a single serial communication line in a versatile manner

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KR970076279A true KR970076279A (en) 1997-12-12

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100370255B1 (en) * 2001-05-09 2003-02-05 엘지이노텍 주식회사 Method controlling monitoring of serial communication of data

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR930010750A (en) * 1991-11-26 1993-06-23 정용문 Asynchronous Protocol Analysis Using Personal Computer
JPH05225138A (en) * 1992-02-14 1993-09-03 Nec Software Ltd Response monitor system for data transfer between systems
KR940002722A (en) * 1992-07-03 1994-02-19 김주용 Data transfer and synchronization method between CPUs in a system consisting of two CPUs
JPH07202990A (en) * 1993-12-29 1995-08-04 Nippon Steel Corp Debug device
KR970076257A (en) * 1996-05-10 1997-12-12 김광호 Serial bus data monitoring device and its method
KR19990015306A (en) * 1997-08-05 1999-03-05 윤종용 I / O data monitoring method between exchange and external device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR930010750A (en) * 1991-11-26 1993-06-23 정용문 Asynchronous Protocol Analysis Using Personal Computer
JPH05225138A (en) * 1992-02-14 1993-09-03 Nec Software Ltd Response monitor system for data transfer between systems
KR940002722A (en) * 1992-07-03 1994-02-19 김주용 Data transfer and synchronization method between CPUs in a system consisting of two CPUs
JPH07202990A (en) * 1993-12-29 1995-08-04 Nippon Steel Corp Debug device
KR970076257A (en) * 1996-05-10 1997-12-12 김광호 Serial bus data monitoring device and its method
KR19990015306A (en) * 1997-08-05 1999-03-05 윤종용 I / O data monitoring method between exchange and external device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100370255B1 (en) * 2001-05-09 2003-02-05 엘지이노텍 주식회사 Method controlling monitoring of serial communication of data

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