CN106528445A - Flight control computer partition variable self-adaption monitoring and exciting method - Google Patents
Flight control computer partition variable self-adaption monitoring and exciting method Download PDFInfo
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- CN106528445A CN106528445A CN201610680699.XA CN201610680699A CN106528445A CN 106528445 A CN106528445 A CN 106528445A CN 201610680699 A CN201610680699 A CN 201610680699A CN 106528445 A CN106528445 A CN 106528445A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
- G06F12/02—Addressing or allocation; Relocation
- G06F12/06—Addressing a physical block of locations, e.g. base addressing, module addressing, memory dedication
- G06F12/0646—Configuration or reconfiguration
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Abstract
The invention belongs to the real-time computing technology, and relates to a flight control computer partition application variable monitoring and exciting method. The method has high self-adaptability, i.e., when a target computer loads different partition applications or a certain partition application is updated, variable monitoring of an updated program can be performed only by reconstructing an upper computer symbol mapping table without updating an upper computer program; and the upper computer symbol mapping table is extracted from a target program without artificial operation, and a fixed variable address of a target computer partition application not required. The objective of the invention is to provide a flight control computer partition application variable monitoring and exciting method which is high in adaptability and is excellent in expansibility.
Description
Technical field
The invention belongs to real-time computing technique, is related to a kind of monitoring of flight control computer subregion application variables and excitation side
Method.
Background technology
In the calculating platform of electric fly-by, in computer, run some subregion applications, the variable of subregion application need in real time,
Dynamically check.Conventional method is by computer-internal variable is sent according to certain agreement, in monitoring side, according to the association
View by data receiver and is monitored, and the method problems faced is, after application program changes, or to be to increase an application
Program sectioning, needs the attended operation of a large amount of agreements, and the present invention proposes a kind of method, from the object code symbol table of application program
Built-in variable address is extracted, address mapping table is formed, the monitoring and incentive programme for then transferring to host computer is parsed, so as to reach meter
The adaptive monitoring of calculation machine built-in variable and excitation.
The content of the invention
The purpose of the present invention is：A kind of real-time monitoring and motivational techniques are provided for the winged control application based on subregion.
The technical scheme is that：
1. a kind of monitoring of flight control computer subregion application variables and motivational techniques, comprise the steps of:
Step one：The symbolic address allocation table in subregion application is extracted, it is elf lattice in subregion application that its detailed operation is
On the basis of formula, global variable symbol name and symbol ground in elf files are extracted by the method for traveling through data segment in elf files
Location, then by symbolic name inquiry system data dictionary, symbol mapped file is formed, it is as follows comprising several in symbol mapped file
Seven tuples：<Zone name, symbolic address, symbolic name, symbol lengths, monitoring cycle, read-write type, sign pattern>；
Step 2：The real-time monitoring program of host computer reads symbol mapped file, according to the information in symbol mapped file
Monitoring object request is sent to the TSR in target machine；
Step 3：After TSR in target machine receives monitoring object request, according to the zone name in seven tuples and symbol
Number address generates the physical address of monitored variable, reads variable further according to the symbol lengths in seven tuples from physical address
Value, forms the variable monitoring bag of each subregion；
Step 4：Variable monitoring bag is transmitted by target machine TSR according to the monitoring cycle in seven tuples, upper
Real-time monitoring program in machine receives variable monitoring bag according to monitoring cycle, after receiving monitoring bag, according to the symbol class in seven tuples
The data for being labeled as " reading " in packet are carried out parsing and are shown by type, realize the real-time monitoring of target machine partition data.
Step 5：After real-time monitoring program receives data stimuli request, according to the zone name in seven tuples and symbolic name
Read-write type is found, confirms that read-write type is that " writing " organizes a variable excitation bag, the inside to contain zone name, symbol ground afterwards
Location, symbol lengths, data to be written, are sent to target generator terminal；
Step 6：After the TSR of target generator terminal receives variable excitation bag, generated according to zone name and logical address
The physical address of excitation variable, then the data write physical address being written into, complete the real-time excitation of target machine partition data.
The method of the present invention has the advantages that, controls subregion application for winged, can generate each according to different subregions
The symbol mapped file of subregion, then target machine and host computer according to this symbol mapped file carry out communication reach variable monitoring and
Excitation, and without writing special target machine program and host computer procedure for subregion.
Description of the drawings
Fig. 1 is the schematic diagram of the method for the invention, wherein, runs multiple subregion applications, also run on flight control computer
There is TSR.Subregion application is generated by elf forms partition programs, partition programs and system of the variable mappings table by elf forms
Data dictionary is generated jointly.
Specific embodiment
Below by taking two subregion applications as an example, the present invention is elaborated with reference to Figure of description.
1) target machine machine code is extracted from the partition programs 1 and partition programs 2 of elf forms, be loaded into flight control computer
In, form subregion application 1 and subregion application 2；Following information is extracted from the partition programs 1 of elf forms：
Partition1,0x10000, symbol1
Partition1,0x10004, symbol2
Partition1,0x10008, symbol3
Following information is extracted from the partition programs 2 of elf forms：
Partition2,0x10000, symbol1
Partition2,0x10004, symbol2
Partition2,0x10008, symbol3
According to zone name and symbolic name, inquiry system data dictionary, following symbol mapped file is generated：
Partition1,0x10000, symbol1,4,10ms, read, unsigned int
Partition1,0x10004, symbol2,2,10ms, read, unsigned char
Partition1,0x10008, symbol3,4, N/A, write, unsigned int
Partition2,0x10000, symbol1,4,20ms, read, unsigned int
Partition2,0x10004, symbol2,2,20ms, read, unsigned char
Partition2,0x10008, symbol3,4, N/A, write, unsigned int
2) the real-time monitoring program parsing symbol mapped file of host computer, sends patrolling for partition1 to flight control computer
Collect read requests (length is respectively 4 bytes and 2 bytes) and the logical address of partition1 of address 0x10000,0x10004
0x10000,0x10004 read requests (length is respectively 4 bytes and 2 bytes).
3), after the TSR in flight control computer receives read requests, the logical address in read requests is converted to
Physical address, then respectively according to length being read from some byte datas of physical address reading, form variable monitoring bag, it is as follows：
Partition1, symbol1,0x5555AAAA
Partition1, symbol2,0x55AA
This bag was sent with the 10ms cycles
Partition2, symbol1,0xAAAA5555
Partition2, symbol2,0xAA55
This bag is with 20ms data is activations
After real-time monitoring program in host computer receives variable monitoring bag, according to the sign pattern in seven tuples by packet
In be labeled as the data of " reading " and carry out parsing and show.
4) symbol3 that real-time monitoring program is received in the symbol3 or partition2 in partition1 writes and asks
After asking, write request is converted into into variable excitation bag, it is as follows：
Partition1,0x10008,4,0x5555AAAA
Partition2,0x10008,2,0x55AA
It is then sent to flight control computer end.
5), after the TSR of flight control computer generator terminal receives variable excitation bag, generated by zone name and logical address
Then data in write request are written in physical address according to the length write, are finished by physical address.
Claims (1)
1. a kind of monitoring of flight control computer subregion application variables and motivational techniques, comprise the steps of:
Step one：The symbolic address allocation table in subregion application is extracted, it is elf forms in subregion application that its detailed operation is
On the basis of, global variable symbol name and symbolic address in elf files is extracted by the method for traveling through data segment in elf files, then
By symbolic name inquiry system data dictionary, symbol mapped file is formed, in symbol mapped file, include several following seven yuan
Group：<Zone name, symbolic address, symbolic name, symbol lengths, monitoring cycle, read-write type, sign pattern>；
Step 2：The real-time monitoring program of host computer reads symbol mapped file, according to the information in symbol mapped file to mesh
TSR in mark machine sends monitoring object request；
Step 3：After TSR in target machine receives monitoring object request, according to the zone name in seven tuples and symbol ground
Location generates the physical address of monitored variable, reads variate-value, shape further according to the symbol lengths in seven tuples from physical address
Into the variable monitoring bag of each subregion；
Step 4：Variable monitoring bag is transmitted by target machine TSR according to the monitoring cycle in seven tuples, in host computer
Real-time monitoring program according to monitoring cycle receive variable monitoring bag, receive monitoring bag after, according in seven tuples sign pattern will
The data for being labeled as " reading " in packet carry out parsing and show, realize the real-time monitoring of target machine partition data；
Step 5：After real-time monitoring program receives data stimuli request, searched according to the zone name in seven tuples and symbolic name
To read-write type, confirm that read-write type is that " writing " organizes a variable excitation bag afterwards, zone name, symbolic address, symbol are contained in the inside
Number length, data to be written, are sent to target generator terminal；
Step 6：After the TSR of target generator terminal receives variable excitation bag, excitation is generated according to zone name and logical address
The physical address of variable, then the data write physical address being written into, complete the real-time excitation of target machine partition data.
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| CN201610680699.XA CN106528445B (en) | 2016-08-17 | 2016-08-17 | A kind of flight control computer subregion variable adaptive monitoring and motivational techniques |
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| CN201610680699.XA CN106528445B (en) | 2016-08-17 | 2016-08-17 | A kind of flight control computer subregion variable adaptive monitoring and motivational techniques |
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| US20140257683A1 (en) * | 2013-03-11 | 2014-09-11 | INHA Industry Partnerships Institute | Method and apparatus for testing states in flight plan state management system |
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| CN105677413A (en) * | 2016-01-06 | 2016-06-15 | 中国航空无线电电子研究所 | Multi-partition application post-loading method for comprehensive modularized avionics system |
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