CN103218332A - Array signal processing device for supporting VME (virtual machine environment) bus and HPI (host port interface) bus loading - Google Patents
Array signal processing device for supporting VME (virtual machine environment) bus and HPI (host port interface) bus loading Download PDFInfo
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- CN103218332A CN103218332A CN2013100866315A CN201310086631A CN103218332A CN 103218332 A CN103218332 A CN 103218332A CN 2013100866315 A CN2013100866315 A CN 2013100866315A CN 201310086631 A CN201310086631 A CN 201310086631A CN 103218332 A CN103218332 A CN 103218332A
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Abstract
The invention discloses an array signal processing device for supporting VME (virtual machine environment) bus and HPI (host port interface) bus loading. The device consists of a host computer PowerPC (personal computer) control module (101), a TI (Texas instrument) DSP (digital signal processor) plate processing and computation module (102) and an ADC (analog to digital converter) data collecting module (103), wherein the TI DSP plate processing and computation module (102) is used for supporting the VME bus and HPI bus loading. Through increasing remote computers, the human-computer interaction interface is provided, the TCP/IP (transmission control protocol/ Internet protocol) network connection is utilized, and a method for real-time remote debugging and diagnosis on an array signal processor system based on VME buses is realized. When the device provided by the invention is adopted, collected data and computation results of a DSP can be transmitted back to the remote computers in real time, the operation process is greatly simplified, and the efficiency is improved.
Description
Technical field
The present invention relates to multicore DSP array signal processor and embedded system PowerPC development and Design field, relate in particular to by the TCP/IP procotol dsp chip in the array signal processor is carried out the device that the total sequence of threads of HPI loads.
Background technology
Generally dsp board is controlled and is checked result of calculation in the Array Signal Processing body system by host computer.Before when system moves,, power on after connecting again, carry out work according to the program that loads at first respectively to host computer and dsp board loading procedure.For satisfying the demand of real-time, the PowerPC of upper computer selecting operation vxworks operating system.VxWorks is as a powerful, the real time embedded system that shows unique characteristics, has been widely used in communicating by letter, high-grade, precision and advanced and real-time such as military affairs, Aeronautics and Astronautics requires high field, can satisfy real-time and other demands well.
The programming of host computer procedure realizes by Serial Port Line and hyper terminal.And the loading of existing DSP program is generally downloaded by the JTAG emulator.Need be connected to dsp board on the computing machine of operation Windows by the JTAG downloader when program loads, the executable file that the CCStudio compiling is generated downloads among the DSP by emulator on computers, can move the program of being downloaded automatically when dsp board powers on.Existing downloading mode is connected to computing machine owing to dsp board need be taken off at every turn by downloader from system.Be installed in the signal processor system after download is finished again and re-power work, this brings great inconvenience to operation.Especially in the program debug stage, need repeatedly program to be made amendment and download, promptly will be constantly dsp board be taken off, installs and power on from system, to operate very loaded down with trivial detailsly, defective is also more obvious.
During Array Signal Processing machine system works, host computer and dsp board are checked result of calculation from host computer according to the Program Synchronization coordinated operation that is written into behind the end of run.Because result of calculation can't be operated and check to host computer PowerPC nobody machine interactive interface in real time to dsp board, the staff is difficult to hold to the running status of DSP.What is more important, hardware resource and abundant on the dsp board card, and only used a part of resource wherein in the program operation process, can't utilize other hardware resources on the plate simultaneously.In addition, a lot of cabinets of Array Signal Processing machine in particular cases can be positioned over the place that the people can't arrive, and can't carry out the diagnosis or the debugging of program according to above-mentioned prior art.Therefore need to propose a kind of new loading and design debug scheme, to satisfy actual engineering demand.
At the peculiar working environment and the working method of the Array Signal Processing machine of supporting the VME bus, the shortcoming of prior art scheme mainly has the following aspects:
(1) DSP utilizes the JTAG emulator to download dsp board constantly need to be taken off from system, be connected to computing machine by JTAG and download, operation is brought great inconvenience.Especially in the program debug stage, need repeatedly program to be made amendment and download, promptly to constantly dsp board be taken off from system, install and power on, to operate very loaded down with trivial detailsly, defective is also more obvious.
(2) host computer can not provide the good man-machine interaction interface, can't be in real time to DSP transmit operation instruction with check calculating process and result, the function that can not satisfy real-time control and check.
(3) do not support remote debugging and resource sharing.The cabinet of Array Signal Processing machine can be positioned over the place that the people can't arrive under a lot of situations, is difficult to the diagnosis or the debugging of the program that realizes according to existing technology.And signal processor can only respond user's request in the program operation process, can not utilize other hardware resources on the plate simultaneously.
Summary of the invention
The present invention is exactly in order to overcome these limitation of existing scheme, to utilize remote computer to pass through the TCP/IP network transmission protocol innovatively, controlling host computer PowerPC in real time to dsp board transmit operation control command.And in real time running status and the result of calculation of DSP is passed back to remote computer by host computer, at the remote computer end work of signal processor system is controlled, debugged and diagnoses.The DSP program utilizes the HPI bus to load, and the man-machine interaction software of remote computer end sends to host computer with data after the DSP program is resolved, and utilizes host computer that dsp board is carried out loading procedure.
Particularly, the present invention proposes the Array Signal Processing device that a kind of VME of support bus and HPI bus load, described device is made up of the processing of TIDSP plate, computing module (102) and ADC integrated circuit board data acquisition module (103) that host computer PowerPC control module (101), support VME bus and HPI bus load, wherein
Described host computer PowerPC control module (101) is handled with dsp board, computing module links to each other by the VME bus between (102), by the described dsp board of VME bus access handle, register on the computing module (102) is finished with dsp board and is handled, the exchanges data of computing module (102), and host computer PowerPC control module (101) is controlled dsp processor and is carried out program loading, image data and calculation process by to dsp board processing, computing module (102) transmitting control commands sign indicating number and data;
Described dsp board is handled, computing module (102) is to finish resetting and the program loading of dsp chip under the control of host computer PowerPC control module (101), produce digital signal, and handle and calculate the reception data that the ADC plate collects, to handle at last with result of calculation and deliver to host computer PowerPC control module (101), wait for new task;
Described ADC integrated circuit board data acquisition module (103) is used for the analog signal sampling to receiving, the digital signal that becomes dsp processor to handle analog signal conversion through analog to digital conversion, and described digital signal delivered in real time that dsp board is handled, computing module is analyzed accordingly and calculate.
According to a further aspect of the invention, after wherein said device powers on, host computer PowerPC control module 101 resets that dsp board is handled, the dsp chip in the computing module 102, and described dsp chip is loaded corresponding DSP program, starts that dsp board is handled, computing module 102 is started working; In the course of work, host computer PowerPC control module 101 sends task code and relevant parameters to dsp board processing, computing module 102, after dsp board is handled, computing module 102 tasks dispose, result of calculation is returned to host computer PowerPC control module 101, and host computer PowerPC control module 101 is made a strategic decision according to result of calculation, produce new task code, begin new task.
According to a further aspect of the invention, this device further comprises:
WindowsPC remote control module 301, be used for linking to each other with described host computer PowerPC control module 302 by the TCP/IP procotol, by WindowsPC remote control module 301 to host computer PowerPC control module 302 transmitting control commands and data, thereby control host computer PowerPC control module 302 according to the order that receives and data finish to dsp board handle, the control of computing module 303.
The present invention provides human-computer interaction interface by increasing remote computer, utilizes the TCP/IP network to connect and has realized carry out the method for real time remote debugging and diagnosis based on the Array Signal Processing body system of VME bus.Write verification through adding data, improved the stability that loads greatly.In the Array Signal Processing machine system work process, by human-computer interaction interface the system that is in the specific environment is carried out remote debugging and diagnosis at the remote computer end.Can the real-time control system duty by transmitting control commands, and can be in real time image data and the result of calculation of DSP be passed back to remote computer, simplify operating process widely and improved efficient.In addition, telecommunication network connects supports that a plurality of users are connected to the host computer server simultaneously, shares the limited hardware resource,
Description of drawings
The present invention is further described in more detail below in conjunction with drawings and the specific embodiments:
Accompanying drawing 1 is depicted as the structural representation of the Array Signal Processing device that one embodiment of the invention proposes;
Accompanying drawing 2 is depicted as the dsp board structural representation of the Array Signal Processing device that one embodiment of the invention proposes;
Accompanying drawing 3 is depicted as the Array Signal Processing apparatus structure synoptic diagram that another embodiment of the present invention proposes.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
Fig. 1 has described the apparatus structure that the present invention proposes.As shown in the figure, described Array Signal Processing device mainly is made up of other data acquisition modules 103 such as the processing of TI dsp board, computing module 102 and ADC integrated circuit board of host computer PowerPC control module 101 and support VME bus and the loading of HPI bus.
Wherein, host computer PowerPC control module 101 and dsp board are handled, link to each other by the VME bus between the computing module 102, finish exchanges data with dsp board by the register on the VME bus access dsp board, and host computer PowerPC control module 101 is controlled DSP and is carried out operations such as program loading, image data, calculation process by to dsp board processing, computing module 102 transmitting control commands sign indicating number and data;
Host computer PowerPC control module 101 is control centers of total system.After system powered on, host computer PowerPC control module 101 resetted that dsp board is handled, the dsp chip in the computing module 102, and dsp chip is loaded corresponding DSP program, started that dsp board is handled, computing module 102 is started working.In the course of work, host computer PowerPC control module 101 sends task code and relevant parameters to dsp board processing, computing module 102.After dsp board is handled, computing module 102 tasks dispose, result of calculation is returned to host computer PowerPC control module 101.Host computer PowerPC control module 101 is made a strategic decision according to result of calculation, produces new task code, begins new task.
Wherein, dsp board is handled, computing module 102 is processing, the computing center of system, under the control of host computer PowerPC control module 101, finish resetting and the program loading of dsp chip, produce digital signal, and handle and calculate the reception data that the ADC plate collects, to handle at last with result of calculation and deliver to host computer PowerPC control module 101, wait for new task.
Fig. 2 is the structural representation of this device dsp board.
Other data acquisition modules 103 such as ADC plate are the inlets that system obtains data, the analog signal sampling of this module to receiving, the digital signal that becomes DSP to handle analog signal conversion through analog to digital conversion, and data in real time delivered to that dsp board is handled, computing module is analyzed accordingly and calculate.
For overcoming the shortcoming of the prior art that top the 4th part sets forth, the technical program has increased on this basis supports Long-distance Control and the adjustment method that the HPI bus loads.Utilize WindowsPC remote control module 301 to link to each other with host computer PowerPC control module 302 by the TCP/IP procotol, by WindowsPC remote control module 301 to host computer PowerPC control module 302 transmitting control commands and data, order that host computer PowerPC control module 302 bases receive and data are finished the control to dsp board processing, computing module 303, thereby realize the real-time control to the signal processor system works.System chart as shown in Figure 3.
WindowsPC remote control module 301 is front-end control parts of system, for system provides Man Machine Interface.After system powered on, host computer PowerPC control module 302 was waited for the connection application of client as the server end of tcp/ip communication.
WindowsPC remote control module 301 sends the connection application as client to server end, and after connecting, the user passes through WindowsPC remote control module 301 to host computer PowerPC control module 302 transmit operation order and parameters.Host computer PowerPC control module 302 receives operational order and the parameter that WindowsPC remote control module 301 sends, resolve to local discernible task code after, promptly the may command dsp board is handled, computing module 303 carries out core processing work.After disposing, WindowsPC remote control module 301 reads the result of calculation of host computer PowerPC control module 302 storages, and is kept in the local hard drive of WindowsPC remote control module 301, in order to follow-up use.Can operate control system work in real time according to the user by WindowsPC remote control module 301, and check The results of running.
Host computer PowerPC control module 302 is waited for the connection application of client computer as server.Connect and set up operational order and the parameter that the back receives 301 transmissions of WindowsPC remote control module, and operational order is resolved to task code, the control dsp board is handled, computing module 303 carries out work.
All the other two modules are identical with corresponding module function among Fig. 1.
System design in Fig. 1, improvement and advantage that the design brings mainly contain the following aspects:
(1) Connection Service device (host computer PowerPC control module 302) is set up TCP/IP and is connected.Only under the prerequisite of setting up the network connection, WindowsPC remote control module 301 could send the effective order sign indicating number to host computer.
(2) load the DSP program with the HPI bus mode.The DSP document storage that loads is in WindowsPC remote control module 301 local disks, in human-computer interaction interface, open and to load the DSP file, in program, the DSP document analysis is become the general target file layout, and the sector address that obtains and the segment data mode with array or pointer is saved in the program internal memory.When sending the order that loads the DSP program by TCP/IP, the data that parsing is obtained send to host computer PowerPC control module 302 in the lump.Host computer PowerPC control module 302 is finished the loading of DSP program by the register of two FPGA on dsp board processing, the computing module 303 and the correspondence memory that the HPI register writes DSP.Loading procedure adds the verification means, guarantees data transmission and the accuracy that writes, and has high stability.
(3) host computer PowerPC control module 302 uploads to WindowsPC remote control module 301 with DSP image data and operation result by network, analyze data and result of calculation at the remote computer end, the signal processor system is carried out remote debugging and diagnosis.Can and analyze experimental result data by the remote computer real time inspection like this, can carry out far distance controlled, debugging and diagnosis to system again, solve the problem that can't control in real time and debug when the signal processor system works in particular surroundings.
(4) host computer PowerPC control module 302 can be accepted the connection application of a plurality of WindowsPC remote control modules 301 as server.Under the prerequisite of not conflicting, a plurality of WindowsPC remote control modules 301 can be connected to host computer simultaneously and carry out collaborative work, the hardware resource in the shared system.This mode is fit to a plurality of developers and utilizes a plurality of integrated circuit boards of a cabinet to develop and debug simultaneously very much, just is installed on the client computer as the integrated circuit board in the Array Signal Processing body system, and is very convenient.
The present invention provides human-computer interaction interface by increasing remote computer, utilizes the TCP/IP network to connect and has realized carry out the method for real time remote debugging and diagnosis based on the Array Signal Processing body system of VME bus.
The DSP program loads by telefile and resolves, and utilizes the HPI bus mode to load.The program that can finish dsp chip in remote computer end transmission instruction loads, and has avoided constantly dsp board being taken off from system, and has been connected to the operational inconvenience that loading procedure brings on the computing machine by the JTAG emulator again.Write verification through adding data, improved the stability that loads greatly.In the Array Signal Processing machine system work process, by human-computer interaction interface the system that is in the specific environment is carried out remote debugging and diagnosis at the remote computer end.Can the real-time control system duty by transmitting control commands, and can be in real time image data and the result of calculation of DSP be passed back to remote computer, simplify operating process widely and improved efficient.In addition, telecommunication network connects supports that a plurality of users are connected to the host computer server simultaneously, shares the limited hardware resource.
This employing telecommunication network connects that the DSP program that realizes Array Signal Processing body system loads and method and technology content height, the strong security of debugging diagnosis, is not easy imitated and applies mechanically.Adopt the HPI bus to load and hardware resource is shared also has bigger advantage than the technic relization scheme in the 3rd.
In sum, though the present invention with the preferred embodiment disclosure as above, yet it is not in order to limit the present invention.The general technical staff of the technical field of the invention without departing from the spirit and scope of the present invention, can do various changes and modification.Therefore, protection scope of the present invention is as the criterion when looking appended the scope that claim defined.
Claims (3)
1. Array Signal Processing device of supporting that VME bus and HPI bus load, described device is made up of the processing of TI dsp board, computing module (102) and adc data acquisition module (103) that host computer PowerPC control module (101), support VME bus and HPI bus load, wherein
Described host computer PowerPC control module (101) is handled with dsp board, computing module links to each other by the VME bus between (102), by the described dsp board of VME bus access handle, register on the computing module (102) is finished with dsp board and is handled, the exchanges data of computing module (102), and host computer PowerPC control module (101) is controlled dsp processor and is carried out program loading, image data and calculation process by to dsp board processing, computing module (102) transmitting control commands sign indicating number and data;
Described dsp board is handled, computing module (102) is to finish resetting and the program loading of dsp chip under the control of host computer PowerPC control module (101), produce digital signal, and handle and calculate the reception data that described adc data acquisition module collects, to handle at last with result of calculation and deliver to host computer PowerPC control module (101), wait for new task;
Described adc data acquisition module (103) is used for the analog signal sampling to receiving, the digital signal that becomes dsp processor to handle analog signal conversion through analog to digital conversion, and described digital signal delivered in real time that dsp board is handled, computing module is analyzed accordingly and calculate.
2. device as claimed in claim 1, after wherein said device powers on, host computer PowerPC control module (101) resets that dsp board is handled, the dsp chip in the computing module (102), and described dsp chip loaded corresponding DSP program, start that dsp board is handled, computing module (102) is started working; In the course of work, host computer PowerPC control module (101) sends task code and relevant parameter to dsp board processing, computing module (102), after dsp board is handled, computing module (102) task disposes, result of calculation is returned to host computer PowerPC control module (101), and host computer PowerPC control module (101) is made a strategic decision according to result of calculation, produce new task code, begin new task.
3. device as claimed in claim 1, this device further comprises:
The WindowsPC remote control module, be used for linking to each other with described host computer PowerPC control module by the TCP/IP procotol, by the WindowsPC remote control module to host computer PowerPC control module transmitting control commands and data, thereby control host computer PowerPC control module according to the order that receives and data finish to dsp board handle, the control of computing module.
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Application publication date: 20130724 |