CN109343893B - Parameter binding system and binding method for aerial remote sensing equipment - Google Patents
Parameter binding system and binding method for aerial remote sensing equipment Download PDFInfo
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Abstract
The invention discloses a parameter binding system and a parameter binding method for aerial remote sensing equipment, wherein the system comprises an upper computer, a system circuit board and a simulator; the upper computer generates a binding parameter array, the simulator is connected with the system circuit board, and a writing parameter program and a reading parameter program can be operated in the system circuit board; the system circuit board receives the binding parameter array, executes a writing parameter program in the RAM storage area through the simulator to perform erasing and writing operations on the data storage area, and writes the writing parameter array; the system circuit board can run a parameter reading program in the program storage area through the simulator to write parameter reading codes into the program storage area. The parameter binding system and the binding method of the aerial remote sensing equipment can avoid software code change caused by different parameters and can avoid hardware circuit change.
Description
Technical Field
The invention relates to the technical field of electronics, in particular to a parameter binding system and a binding method for aerial remote sensing equipment.
Background
The aviation remote sensing equipment inevitably can have the error in processing, debugging, assembly process, for reducing the error, improves system performance, needs to calibrate the sensor zero position of every equipment, interior position and parameters such as external orientation element, in addition, data such as the calibration time of single equipment at every turn, version revision information also can be as information-based data, the information query of the equipment of being convenient for satisfies intelligent equipment's demand. For the reasons described above, each aerial remote sensing device has a specific set of binding parameters that need to be stored with the device.
However, different binding parameters lead to different software codes of each device, and in addition, for the developed aerial remote sensing device, if parameter binding is required, the design of hardware may be changed.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and adopts the following technical scheme:
on one hand, the embodiment of the invention provides a parameter binding system of aerial remote sensing equipment, which comprises the following components: host computer, system circuit board and simulator.
The upper computer generates a binding parameter array and sends the binding parameter array to the system circuit board;
the simulator is connected with the system circuit board, works in a simulation mode, and can run a 'write parameter' program and a 'read parameter' program in the system circuit board;
the system circuit board includes:
the upper computer and the simulator are connected with the system circuit board through the interface circuit;
the microprocessor chip comprises a FLASH and an RAM storage area;
the FLASH comprises: a data storage area and a program storage area;
the system circuit board receives the binding parameter array, executes a writing parameter program in the RAM storage area through the simulator to perform erasing and writing operations on the data storage area, and writes the writing parameter array into the data storage area;
and after the 'parameter writing' program stops running, the system circuit board runs a 'parameter reading' program in the program storage area through the simulator to write a 'parameter reading' code into the program storage area.
Preferably, the microprocessor chip is a DSP series chip with an online programming function.
Further, the upper computer includes: binding parameter generation software and an acquisition card.
The binding parameter generation software is used for generating a binding parameter array; and the acquisition card is used for generating a binding parameter array from the binding parameters and sending the binding parameter array to the system circuit board.
Further, the interface circuit includes: a receiving circuit and a simulation and download interface;
the receiving circuit is connected with the upper computer through a bus;
one end of the simulation and download interface is interacted with the simulator, and the other end of the simulation and download interface is connected to the microprocessor chip and respectively accesses the RAM storage area and the program storage area.
Furthermore, the writing parameter program and the reading parameter program are written based on the application program interface library of the FLASH.
Further, the microprocessor chip further comprises a chip interface, and the chip interface is connected with the receiving circuit.
Preferably, the emulation and download interface is a JTAG interface.
Preferably, the acquisition card is an RS422 acquisition card.
On the other hand, the embodiment of the invention also provides a binding method of the parameter binding system of the aerial remote sensing equipment. The binding method comprises the following steps:
s1, generating a binding parameter array;
s2, operating the 'write parameter' program in the RAM memory area;
s3, starting the transmission of the binding parameter array, and after the binding parameter array is transmitted to the system circuit board, the system circuit board executes 'erasing' and 'writing' operations on the data storage area through the 'writing parameter' program, and writes the binding parameter array;
and S4, stopping the operation of the 'parameter writing' program and burning the 'parameter reading' program into the program storage area.
Further, the binding method further comprises the steps of:
and after the system circuit board is powered on again, performing reading operation on the data storage area to read the binding parameter array.
The invention has the technical effects that: the parameter binding system and the binding method of the aerial remote sensing equipment, disclosed by the invention, utilize the storage space of the FLASH in the microprocessor chip as the data storage area of the parameter array to be bound of the equipment, can avoid the software code change caused by different parameters so as to ensure the software code consistency of the aerial remote sensing equipment produced in batches, do not need to separately expand the FLASH, can avoid the change of a hardware circuit, can save the hardware change cost and the test cost caused by the change, and shorten the design change period. The parameter binding system and the binding method of the aerial remote sensing equipment, disclosed by the invention, have the advantages that the writing parameter operation and the reading parameter operation are separately carried out, and for the equipment which is produced in batches, the reliability of the system in normal work can be improved because the frequent change operation of the binding parameter is not required.
Drawings
FIG. 1 is a functional block diagram of an aerial remote sensing device parameter binding system according to one embodiment of the present invention;
FIG. 2 is a flow chart of a binding method of an aerial remote sensing device parameter binding system according to an embodiment of the invention.
1. Host computer 2, system circuit board 3, simulator 4 and acquisition card
5. Bookbinding parameter generating software 6, simulation and download interface 7 and receiving circuit
8. Microprocessor chip
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not to be construed as limiting the invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
Term interpretation section:
and (4) DSP: digital Signal Processing, Digital Signal Processing;
FLASH: flashing;
API: application Programming Interface, Application Programming Interface;
JTAG: joint Test Action Group, Joint Test workgroup;
RAM: random Access Memory, Random Access Memory.
It is known in the related art that each aerial remote sensing device has a specific set of binding parameters that need to be stored with the device. The storage of binding parameters is generally performed in a software macro-definition manner, but the method may cause differences in software codes among various devices, which is not favorable for software solidification and affects the implementation of software engineering. Or, the problem of parameter binding can be solved by adding an external FLASH memory chip on the hardware circuit board and storing the parameters into the FLASH memory chip. However, for newly-developed equipment, the hardware cost is increased by externally expanding the chip, and the reliability of the hardware is also reduced; for delivered equipment, the hardware circuit board of the corresponding system needs to be modified by the chip adding mode, and personnel and equipment costs are increased by hardware debugging and various subsequent tests needing to be supplemented. Therefore, it is an optimal design method to be able to realize parameter binding without adding a chip to hardware.
FIG. 1 is a schematic diagram of a parameter binding system of an aerial remote sensing device provided by the invention.
The embodiment of the invention provides a parameter binding system of aerial remote sensing equipment, which comprises: host computer 1, system circuit board 2 and emulation ware 3.
The upper computer 1 generates a binding parameter array and sends the binding parameter array to the system circuit board 2;
the simulator 3 is connected with the system circuit board 2, the simulator 3 works in a simulation mode, and a 'write parameter' program and a 'read parameter' program can be run in the system circuit board 2;
the system circuit board 2 includes:
the upper computer 1 and the simulator 3 are connected with the system circuit board 2 through the interface circuit;
the microprocessor chip 8 comprises a FLASH and a RAM storage area;
the FLASH comprises: a data storage area and a program storage area;
the system circuit board 2 receives the binding parameter array, executes a writing parameter program in the RAM storage area through the simulator 3 to perform erasing and writing operations on the data storage area, and writes the writing parameter array;
and after the 'write parameter' program stops running, the system circuit board 2 runs a 'read parameter' program in the program storage area through the simulator 3 to write a 'read parameter' code into the program storage area.
The simulator 3 can replace the processor in the target system during operation to simulate the operation of the processor. The simulator 3 operates as an actual target processor and is able to view programs and data in the processor through a desktop computer or other debugging interface.
In some embodiments, the microprocessor chip 8 is a DSP family chip with on-line programming functionality. The DSP series chip refers to a chip capable of implementing a digital signal processing technique. The DSP chip adopts a Harvard structure with separated programs and data, is provided with a special hardware multiplier, widely adopts pipeline operation, provides special DSP instructions, and can be used for quickly realizing various digital signal processing algorithms.
The upper computer 1 includes: binding parameter generation software 5 and a collection card 4.
The binding parameter generation software 5 is used for generating a binding parameter array; and the acquisition card 4 is used for generating an additional binding parameter array by the binding parameter generation software 5 and sending the additional binding parameter array to the system circuit board 2.
The interface circuit includes: a receiving circuit 7 and an emulation and download interface 6;
the receiving circuit 7 is connected with the upper computer 1 through a bus;
one end of the simulation and download interface 6 is interactive with the simulator 3, and the other end is connected to a microprocessor chip, and can respectively access the RAM storage area and the program storage area. The RAM memory area can be read and written at any time and is fast. The reading and writing of the program are convenient.
The 'write parameter' program and the 'read parameter' program are matched with the application program interface library of the FLASH. FLASH is a non-volatile memory that retains data for long periods of time without current supply.
The microprocessor chip 8 further comprises a chip interface, which is connected to the receiving circuit 7.
The emulation and download interface 6 is a JTAG interface. The JTAG interface is an international standard test protocol interface and is mainly used for testing the inside of a chip.
The acquisition card 4 is an RS422 acquisition card 4. RS422 is differential mode transmission, and has strong anti-interference capability.
As shown in fig. 2, an embodiment of the present invention provides a binding method for a parameter binding system of an aerial remote sensing device, where the binding method includes:
s1, generating a binding parameter array;
s2, operating the 'write parameter' program in the RAM memory area;
s3 starts the transmission of the binding parameter array, and after the binding parameter array is transmitted to the system circuit board 2, the system circuit board 2 executes the erasing and writing operations on the data storage area through the writing parameter program, and writes the binding parameter array;
and S4, stopping the operation of the 'parameter writing' program and burning the 'parameter reading' program into the program storage area.
The binding method further comprises the steps of:
and after the system circuit board is powered on again, performing reading operation on the data storage area to read the binding parameter array.
The following describes the aviation remote sensing device parameter binding system and the binding method thereof in detail with reference to specific embodiments.
Example 1:
referring to fig. 1 and 2, a specific embodiment of the parameter binding system for the aerial remote sensing device provided by the invention is shown.
In one embodiment of the invention, the parameter binding system of the aerial remote sensing equipment comprises: the device comprises an upper computer 1, a system circuit board 2 of parameters to be bound and a simulator 3, wherein the upper computer 1 comprises a collecting card 4 and binding parameter generating software 5; the system circuit board 2 comprises an emulation and download interface 6, a receiving circuit 7 and a microprocessor chip 8. The acquisition card 4 is an RS422 acquisition card, and the microprocessor chip 8 is a DSP series chip.
The following steps are adopted when parameter binding is implemented:
setting the type of the FLASH storage data in the chip of the microprocessor chip 8, and respectively setting the type of the FLASH storage data as a data storage area and a program storage area;
writing numerical values of various binding parameters through a human-computer interaction interface of binding parameter generation software 5 in the upper computer 1, and generating a binding parameter array;
connecting the simulator 3 to a simulation and download interface 6 in the system circuit board 2 of the parameters to be bound, wherein the simulator 3 works in a simulation mode, and a 'parameter writing' program is operated in an RAM storage area of a microprocessor chip 8;
starting binding parameter sending, after the upper computer 1 sends a binding parameter array to the system circuit board 2 through the acquisition card 4, the system circuit board 2 executes erasing and writing operations on a data storage area in the set FLASH through a writing parameter program, and writes the writing parameter array;
and stopping the operation of the writing parameter codes, burning and writing the reading parameter codes of the system circuit board 2 into a FLASH program storage area distributed in the DSP chip 8, disconnecting the emulator 3, and executing reading operation on a FLASH data storage area after the system circuit board 2 is electrified again to read the binding parameter array for the system to use when executing a task function.
In the present embodiment, the emulator has two modes, i.e., an emulation mode and a write-burn mode. When the simulator works in a simulation mode, the simulator can run online and observe variables generated in the running process of the code, and the simulator is used for writing parameters into FLASH in the embodiment, and a 'parameter writing' program is not written into the FLASH by burning.
When the simulator works in a programming mode, variables cannot be observed, a parameter reading program is programmed in a program storage area, the program can run when being electrified every time, and the loss of power failure is avoided.
In the above technical solution, the microprocessor chip is a DSP series chip with online programming function of TI company.
In the above technical solution, the "write parameter" code and the "read parameter" code are written based on an application program interface library of FLASH provided by the TI company.
The parameter binding system of the aerial remote sensing equipment has the following specific flow when parameter binding is implemented:
1. setting the type of the FLASH storage data in the chip of the microprocessor chip 8, and respectively setting the type of the FLASH storage data as a data storage area and a program storage area;
2. writing numerical values of various binding parameters through a human-computer interaction interface of binding parameter generation software 5 in the upper computer 1, and generating a binding parameter array;
3. connecting the simulator 3 to a simulation and download interface 6 in the system circuit board 2 of the parameters to be bound, wherein the simulator 3 works in a simulation mode, and a 'parameter writing' program is operated in an RAM storage area of a microprocessor chip 8;
4. starting the transmission of the binding parameter array, after the upper computer 1 transmits the binding parameter array to the system circuit board 2 through the RS422 acquisition card 4, the system circuit board 2 executes erasing and writing operations on a set FLASH in-chip data storage area through a writing parameter program, and writes the binding parameter array;
5. and stopping the operation of the 'writing parameter' code, programming the 'reading parameter' code of the system circuit board 2 into a FLASH program storage area distributed in the microprocessor chip 8, disconnecting the emulator 3, and executing 'reading' operation on the FLASH data storage area after the system circuit board 2 is electrified again to read the binding parameter for the system to use when executing a task function.
The embodiment of the invention utilizes the data storage space of the FLASH in the microprocessor chip as the data storage area of the parameters to be bound of the aerial remote sensing equipment, thereby avoiding the software code change caused by different parameters and ensuring the software code consistency of the aerial remote sensing equipment produced in batch.
The embodiment of the invention does not need to separately extend the FLASH memory chip, can avoid the change of a hardware circuit, can save the hardware change cost and the test cost caused by the change, and shortens the change period.
The embodiment of the invention separately carries out the operation of writing parameters and reading parameters, and for the aerial remote sensing equipment which is produced in batch, the change operation of the binding parameters is not required to be frequently carried out, so that the separate operation mode can not only avoid the adjustment of an external interface protocol, but also improve the reliability of the system in normal work;
by adopting the binding method of the embodiment of the invention, the parameter generation process is input in a man-machine interaction mode, manual coding is not needed, the generated parameters can be directly stored in an on-chip FLASH storage area, the use is more convenient, and the binding time can be shortened.
Example 2:
the following describes a specific application of the system and method for binding parameters of aerial remote sensing equipment according to the present invention with a specific application example.
1. The system circuit board 2 of the parameter to be bound is a main control system circuit board 2 of some aerial remote sensing equipment, the simulation and download interface 6 is a JTAG interface, the RS422 receiving circuit 7 selects AM26LV32 of TI company, and the microprocessor chip 8 selects a DSP series TMS320F28335 chip of TI company; the simulator 3 selects Seed-XDS560 Plus;
2. the parameters to be ordered into the main control system comprise the date of delivery of the aerial remote sensing equipment, equipment numbers, software version numbers, calibration coefficients of internal orientation elements and external orientation elements and the like.
3. Setting the storage data type of an in-chip FLASH of a microprocessor chip 8TMS320F28335, setting an H area of the FLASH as a data storage area for storing binding parameters, setting A-G areas of the FLASH as program storage areas for storing program codes of a main control system, and reading the binding parameter codes in the H area of the FLASH;
4. writing the values of the binding parameters through a human-computer interaction interface of the binding parameter generation software 5, and generating a binding parameter array InfoData [32] ═ 0x7E,0x7E,0x90,0x01,0x54,0x43,0x51,0x34,0x4B,0x33,0x34,0x43,0x2D,0x32,0x31,0x44,0x41,0x34,0x31,0x36,0x44,0x41,0x30,0x32,0x30,0x32,0x20,0x31,0x36,0x30,0x32,0xD4], where the binding parameters include a header (1-2 bytes) and a checksum (32 nd byte);
5. connecting the simulator 3 to a JTAG interface on the main control circuit board 2, wherein the simulator 3 works in a simulation mode;
6. starting binding parameter sending, sending a binding parameter array InfoData [32] to an RS422 bus through an RS422 acquisition card 4, transmitting the binding parameter array InfoData to a microprocessor chip of a main control system circuit board 2 through an AM26LV32 chip, and writing parameters into an H area of FLASH in the TMS320F28335 by calling FLASH _ Erase and FLASH _ Programm functions in a FLASH API library by writing parameter codes;
7. programming a program code of the main control system circuit board 2 into A-G areas of FLASH in the TMS320F28335, executing a parameter reading code after electrifying, and reading binding parameters from an H area of the FLASH by calling a FLASH _ Verify function in a FLASH API library so as to be used by the main control system for executing other function parameters or be read by a previous-level device as information data.
It will be further appreciated by those of skill in the art that the elements and algorithm steps of the examples described in connection with the embodiments disclosed herein may be embodied in electronic hardware, computer software, or combinations of both, and that the components and steps of the examples have been described in a functional general in the foregoing description for the purpose of clearly illustrating the interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
The steps of a method or algorithm described in connection with the embodiments disclosed herein may be embodied in hardware, a software module executed by a processor, or a combination of the two. A software module may reside in Random Access Memory (RAM), memory, Read Only Memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
The above-described embodiments of the present invention should not be construed as limiting the scope of the present invention. Any other corresponding changes and modifications made according to the technical idea of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. An aerial remote sensing equipment parameter binding system, comprising: the system comprises an upper computer, a system circuit board and a simulator;
the upper computer generates a binding parameter array and sends the binding parameter array to the system circuit board;
the simulator is connected with the system circuit board, works in a simulation mode, and can run a 'write parameter' program and a 'read parameter' program in the system circuit board;
the system circuit board includes: the upper computer and the simulator are connected with the system circuit board through the interface circuit; the microprocessor chip comprises a FLASH and an RAM storage area; the FLASH comprises: a data storage area and a program storage area;
the system circuit board receives the binding parameter array, executes a writing parameter program in the RAM storage area through the simulator to perform erasing and writing operations on the data storage area, and writes the writing parameter array into the data storage area; and after the 'parameter writing' program stops running, the system circuit board runs a 'parameter reading' program in the program storage area through the simulator to write a 'parameter reading' code into the program storage area.
2. The aerial remote sensing device parameter binding system of claim 1, wherein the microprocessor chip is a DSP chip with an online programming function.
3. The aerial remote sensing device parameter binding system of claim 1, wherein the host computer comprises:
binding parameter generation software for generating a binding parameter array;
and the acquisition card is used for sending the binding parameter array to the system circuit board.
4. The airborne remote sensing device parameter binding system of claim 1, wherein the interface circuit comprises:
the receiving circuit is connected with the upper computer through a bus;
and one end of the simulation and download interface is interacted with the simulator, and the other end of the simulation and download interface is connected with the microprocessor chip and can respectively access the RAM storage area and the program storage area.
5. The aerial remote sensing device parameter binding system of claim 1, wherein said "write parameters" program and "read parameters" program are written based on an application programming interface library of said FLASH.
6. The airborne remote sensing equipment parameter binding system of claim 4, wherein said microprocessor chip further comprises a chip interface, said chip interface being connected to said receiving circuit.
7. The airborne remote sensing device parameter binding system of claim 4, wherein the emulation and download interface is a JTAG interface.
8. The aerial remote sensing device parameter binding system of claim 3, wherein the acquisition card is an RS422 acquisition card.
9. A binding method of an aviation remote sensing equipment parameter binding system, wherein the aviation remote sensing equipment parameter binding system is the aviation remote sensing equipment parameter binding system according to any one of claims 1 to 8, and the binding method comprises the following steps:
s1, generating a binding parameter array;
s2, operating the 'write parameter' program in the RAM memory area;
s3, starting the transmission of the binding parameter array, and after the transmission of the binding parameter array to the system circuit board, the system circuit board executes the erasing and writing operations on the data storage area through the writing parameter program and writes the writing parameter array;
and S4, stopping the operation of the 'parameter writing' program and burning the 'parameter reading' program into the program storage area.
10. The binding method of claim 9, further comprising the steps of:
and after the system circuit board is powered on again, performing reading operation on the data storage area to read the binding parameter array.
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