CN103913693B - Many MBI module test method - Google Patents
Many MBI module test method Download PDFInfo
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- CN103913693B CN103913693B CN201210593714.9A CN201210593714A CN103913693B CN 103913693 B CN103913693 B CN 103913693B CN 201210593714 A CN201210593714 A CN 201210593714A CN 103913693 B CN103913693 B CN 103913693B
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- mbi
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Abstract
The present invention is by MBI module high address line A19 A16 and the interconnection of the A23 A16 self-inspection of CPU module, it is achieved multiple similar MBI modules take the interface IP address that CPU module is different, reaches the method that a CPU module can test polylith MBI simultaneously.Solving the test one to one that traditional MBI interface test method is CPU and MBI, the frock CPU module quantity that method of testing puts into is big, the technical problem that cost is high.Improve interface testing integrity, effectively solve single MBI module host interface section circuit in process of the test and cannot be carried out test, the incomplete problem of test coverage；Improve single test ability, reduce frock CPU module quantity and cost.
Description
Technical field
The invention belongs to technical field of measurement and test, be specifically related to a kind of MBI module test method.
Background technology
Single MBI module product is in process of the test, and host interface section circuit cannot be carried out test, and test coverage is low,
Can not effectively reject the product fault in experimental stage.Traditional MBI interface test method is the test one to one of CPU and MBI,
But the frock CPU module quantity that this method of testing puts into is big, cost is high.Survey by monolithic CPU to be accessed many MBI module simultaneously
The research of examination technology and application, can efficiently solve problem above.
Summary of the invention
For solving the test one to one that traditional MBI interface test method is CPU and MBI, the frock that method of testing puts into
CPU module quantity is big, and the technical problem that cost is high, the present invention provides a kind of many MBI module test method.
The technical solution of the present invention is as follows:
A kind of many MBI module test method, it is characterized in that and comprises the following steps:
1.1] motherboard cpu of upper address bits, is selected;
1.2], by the reserved test space of the CPU of upper address bits being divided into some districts, each test subregion is for test one
MBI;
1.3], by MBI module high address line and the interconnection carrying out self-inspection of CPU module, it is achieved multiple similar MBI
Module takies the interface IP address that CPU module is different；
1.4], ensure that motherboard cpu test program can initialize simultaneously and start 5 pieces by the method for software programming
MBI module.
Above-mentioned motherboard cpu is the 486CPU module of standard.
The EBI of above-mentioned 486CPU module is LBE bus.
The EBI of above-mentioned MBI module is EL bus.
Beneficial effects of the present invention
1, the present invention many MBI module test method, by monolithic CPU is accessed many MBI module simultaneously, solves traditional
MBI interface test method is the test one to one of CPU and MBI, and the frock CPU module quantity that method of testing puts into is big, and cost is high
Technical problem.Improve interface testing integrity, effectively solve single MBI module host interface section circuit in process of the test
Cannot be carried out test, the incomplete problem of test coverage；Improve single test ability, reduce frock CPU module quantity and
Cost.
Accompanying drawing explanation
Motherboard cpu and the wiring diagram of MBI when Fig. 1 is to utilize method of testing of the present invention to test；
Fig. 2 is test motherboard outline drawing；
Fig. 3 is test motherboard logic chart；
Detailed description of the invention
Motherboard cpu utilizes the 1553B bus network on cabinet motherboard, the 486CPU module of motherboard selection standard,
The EBI of 486CPU module is LBE bus, and the EBI of MBI module is EL bus.Real-time operation is provided for this system
System VxWorks software development environment TORNADO, conveniently carries out testing software development and debugging.
By MBI module high address line A19-A16 and the interconnection of the A23-A16 self-inspection of CPU module, it is achieved multiple
Similar MBI module takies the interface IP address that CPU module is different, reaches a CPU module and can test the side of polylith MBI simultaneously
Method.Ensure that motherboard cpu test program can initialize simultaneously and start 5 pieces of MBI modules by the method for software programming.Many
The interface IP address of MBI module and main frame is as follows:
MBI1:C0080000-C0083FFF command word unit: C0081BC0,
Message sink district: C0081C00, sends district: C0081D00
MBI2:C0100000-C0103FFF command word unit: C0101BC0,
Message sink district: C0101C00, sends district: C0101D00
MBI3:C0200000-C0203FFF command word unit: C0201BC0,
Message sink district: C0201C00, sends district: C0201D00
MBI4:C0400000-C0403FFF command word unit: C0401BC0,
Message sink district: C0401C00, sends district: C0401D00
MBI5:C0800000-C0803FFF command word unit: C0801BC0,
Message sink district: C0801C00, sends district: C0801D00
The present invention many MBI module test method, by monolithic CPU is accessed many MBI module simultaneously, solves traditional MBI
Interface test method is the test one to one of CPU and MBI, and the frock CPU module quantity that method of testing puts into is big, the skill that cost is high
Art problem.Improve interface testing integrity, host interface section circuit cannot in process of the test effectively to solve single MBI module
Test, the incomplete problem of test coverage；Improve single test ability, reduce frock CPU module quantity and cost.
Claims (4)
1. MBI module test method more than a kind, it is characterised in that: comprise the following steps:
1.1] motherboard cpu of upper address bits, is selected；
1.2], by the reserved test space of the motherboard cpu of upper address bits being divided into some districts, each test subregion is used for test one
Individual MBI module；
1.3], the A23-A16 of MBI module high address line A19-A16 and motherboard cpu is carried out the interconnection of self-inspection, real
Existing multiple similar MBI modules take the interface IP address that motherboard cpu is different；
1.4], ensure that motherboard cpu test program can initialize simultaneously and start 5 pieces of MBI moulds by the method for software programming
Block.
One many MBI module test method the most according to claim 1, it is characterised in that: described motherboard cpu is standard
486CPU module.
One many MBI module test method the most according to claim 2, it is characterised in that: described 486CPU module total
Line interface is LBE bus.
One many MBI module test method the most according to claim 1, it is characterised in that: the bus of described MBI module connects
Mouth is EL bus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210593714.9A CN103913693B (en) | 2012-12-31 | 2012-12-31 | Many MBI module test method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210593714.9A CN103913693B (en) | 2012-12-31 | 2012-12-31 | Many MBI module test method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103913693A CN103913693A (en) | 2014-07-09 |
| CN103913693B true CN103913693B (en) | 2016-12-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210593714.9A Active CN103913693B (en) | 2012-12-31 | 2012-12-31 | Many MBI module test method |
Country Status (1)
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108108278B (en) * | 2017-12-26 | 2021-07-30 | 北京国睿中数科技股份有限公司 | Method and system for verifying function coverage rate of bus port |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1221920A (en) * | 1997-12-30 | 1999-07-07 | 中国科学院空间科学与应用研究中心 | Development emulate system of multiway transmission data bus |
| CN1949180A (en) * | 2006-09-18 | 2007-04-18 | 中国航天时代电子公司第七七一研究所 | Structuring method of distributed type simulated testing system series based on signal classification |
| CN101018165A (en) * | 2007-02-16 | 2007-08-15 | 北京航空航天大学 | Distributed network plug-and-play measurement and control system |
| CN202110438U (en) * | 2011-03-04 | 2012-01-11 | 珠海矽微电子科技有限公司 | Integrated multifunctional 1553B bus analyzer |
| CN102411553A (en) * | 2011-08-01 | 2012-04-11 | 北京航空航天大学 | Compact peripheral components interconnect (CPCI)-bus-based 1553B protocol data communication and serial loading module |
-
2012
- 2012-12-31 CN CN201210593714.9A patent/CN103913693B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1221920A (en) * | 1997-12-30 | 1999-07-07 | 中国科学院空间科学与应用研究中心 | Development emulate system of multiway transmission data bus |
| CN1949180A (en) * | 2006-09-18 | 2007-04-18 | 中国航天时代电子公司第七七一研究所 | Structuring method of distributed type simulated testing system series based on signal classification |
| CN101018165A (en) * | 2007-02-16 | 2007-08-15 | 北京航空航天大学 | Distributed network plug-and-play measurement and control system |
| CN202110438U (en) * | 2011-03-04 | 2012-01-11 | 珠海矽微电子科技有限公司 | Integrated multifunctional 1553B bus analyzer |
| CN102411553A (en) * | 2011-08-01 | 2012-04-11 | 北京航空航天大学 | Compact peripheral components interconnect (CPCI)-bus-based 1553B protocol data communication and serial loading module |
Non-Patent Citations (1)
| Title |
|---|
| 航空电子通信系统中MBI模块的测试;方红;《航空计算技术》;19970910(第3期);40-44 * |
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