JPS6412365A - Interface device - Google Patents
Interface deviceInfo
- Publication number
- JPS6412365A JPS6412365A JP16685787A JP16685787A JPS6412365A JP S6412365 A JPS6412365 A JP S6412365A JP 16685787 A JP16685787 A JP 16685787A JP 16685787 A JP16685787 A JP 16685787A JP S6412365 A JPS6412365 A JP S6412365A
- Authority
- JP
- Japan
- Prior art keywords
- data
- response
- command data
- control part
- reads out
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
Abstract
PURPOSE:To detect the abnormality of a slave controller by a main controller, by re-sending command data when no slave CPU reads out the command data, and informing the generation of an error to a main CPU when the above re-sending is repeated for a prescribed number of times or when response data is not normal. CONSTITUTION:Firstly, a system control part 1 writes the command data on a command register 41. Next, the normality of response is checked if the response data is stored in a response register 42, and when the abnormality exists in the response, corresponding error data is set, and an operation is returned to a main routine. Also, when no plotter control part 2 reads out the command data within a limited time, the command data is re-sent. And when no plotter control part 2 reads out the command data even if (n) times of resending is repeated, error data is set, and the operation is returned to the main routine.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16685787A JPS6412365A (en) | 1987-07-06 | 1987-07-06 | Interface device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16685787A JPS6412365A (en) | 1987-07-06 | 1987-07-06 | Interface device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6412365A true JPS6412365A (en) | 1989-01-17 |
Family
ID=15838931
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16685787A Pending JPS6412365A (en) | 1987-07-06 | 1987-07-06 | Interface device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6412365A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012216190A (en) * | 2011-03-31 | 2012-11-08 | Denso Corp | System and method for controlling traffic of messages between two processors |
-
1987
- 1987-07-06 JP JP16685787A patent/JPS6412365A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012216190A (en) * | 2011-03-31 | 2012-11-08 | Denso Corp | System and method for controlling traffic of messages between two processors |
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