System, circuitry and method for parallel processing real-time signal with open structure

• US 20060020945A1
• Filed: 06/07/2004
• Published: 01/26/2006
• Est. Priority Date: 06/07/2004
• Status: Abandoned Application

• Current Assignee: Chung-Shan Institute of Science & Technology Armaments Bureau MND (Government of The Republic of China)
• Original Assignee: Chung-Shan Institute of Science & Technology Armaments Bureau MND (Government of The Republic of China)
• Inventors: Su, Yu-Lin, Chien, Che-Hui Chang
• Application Number:
  US10/863,655
• Publication Number:
  US 20060020945A1
• Time in Patent Office: Days
• US Class Current: 718/107
• CPC Class Codes: G06F 9/4812 by interrupt, e.g. masked
• CPC Class Codes: G06F 9/4843 by program, e.g. task dispatcher, supervisor, operating system

Abstract

A system for parallel processing real-time signal with open structure comprises a host computer, a circuitry for parallel processing real-time signal with open structure, a plurality of peripheral devices and an analog signal processing device. Wherein, the host computer controls the peripheral devices and the analog signal processing device through the circuitry of the present invention. The circuitry of the present invention processes a plurality of digital echo raw data generated by the analog signal processing device with parallel signal processing, and generates report information reporting to the host computer.

Claims

1. A system for parallel processing a real-time signal with an open structure, comprising:

a host interface unit for connecting the real-time signal processing system and a host computer through a computer network, wherein the host interface unit generates a plurality of control commands according to the host computer;

an interface control processor, which is a module with any type of general purpose CPU or DSP chip processor, coupled to the host interface unit for controlling a plurality of peripheral devices according to the control commands provided by the host interface unit;

an analog signal control processor, which is a module with any type of general purpose CPU or DSP chip processor, coupled to the interface control processor for controlling an analog signal processing system according to the control commands provided by the interface control processor;

a digital signal scheduling control processor, which is a module with any type of general purpose CPU or DSP chip processor, coupled to the interface control processor for providing a plurality of scheduling control commands according to the control commands provided by the interface control processor; and

a digital signal process equipment for receiving a digital echo raw data and processing the digital echo raw data according to the scheduling control commands provided by the digital signal scheduling control processor.

2. The system for parallel processing the real-time signal with the open structure of claim 1, further comprising a self-test control processor for executing a self-test instruction, which is a module with any type of general purpose CPU or DSP chip processor, provided by the host interface unit and generating and providing a self-test result to the host interface unit.

3. The system for parallel processing the real-time signal with the open structure of claim 1, wherein the digital signal process equipment comprises:

a data inject module for receiving the digital echo raw data and converting the digital echo raw data from a differential type to a TTL type;

an input data buffer module coupled to the data inject module for storing the digital echo raw data and performing a pre-process on the digital echo raw data; and

a plurality of vector signal processors, which is a module with any type of multiple general purpose CPUs or DSP chip processors, coupled to the input data buffer module for parallel processing the digital echo raw data.

4. The system for parallel processing the real-time signal with the open structure of claim 3, wherein the functions of parallel processing the digital echo raw data is implemented on the vector signal processors by software.

5. The system for parallel processing the real-time signal with the open structure of claim 1, wherein the computer network comprises one of an Ethernet and a fast Ethernet.

6. A circuitry for parallel processing a real-time signal with an open structure, comprising:

a local bus;

a host interface module coupled to the local bus for generating and providing a plurality of control commands to the local bus according to a system synchronization signal;

an I/O buffer control module coupled to the local bus for generating the control commands for controlling a plurality of peripheral devices according to the control commands provided by the host interface module;

an analog signal processing control module for generating the control commands for controlling an analog signal processing system according to the control commands provided by the I/O buffer control module;

a digital signal processing control module coupled to the local bus for generating and providing the scheduling control commands for controlling a digital signal process equipment to the local bus according to the control commands provided by the I/O buffer control module; and

a digital signal process equipment for receiving a digital echo raw data and processing the digital echo raw data by reading the control commands provided by the digital signal processing control module via the local bus.

7. The circuitry for parallel processing the real-time signal with the open structure of claim 6, further comprising a self-test module for executing a self-test instruction provided by the host interface module via the local bus and generating and providing a self-test result to the host interface module via the local bus.

8. The circuitry for parallel processing the real-time signal with the open structure of claim 7, wherein the host interface module reads the self-test result from the local bus.

9. The circuitry for parallel processing the real-time signal with the open structure of claim 6, wherein the digital signal process equipment comprises:

a data inject module coupled to the local bus for receiving the digital echo raw data and converting the digital echo raw data from a differential type to a TTL type;

an input data buffer module coupled to the local bus for performing a pre-process on the digital echo raw data according to the control commands provided by the digital signal processing control module; and

a plurality of vector signal processors coupled to the local bus for parallel processing the digital echo raw data provided by the input data buffer module.

10. The circuitry for parallel processing the real-time signal with the open structure of claim 9, wherein the data inject module further comprises a flash memory for storing the digital echo raw data.

11. The circuitry for parallel processing the real-time signal with the open structure of claim 6, further comprising a real-time timing control module for providing a plurality of timing control signals to control the synchronization of overall system, the peripheral devices, the circuitry, and an analog signal processing system to generate the digital echo raw data.

12. The circuitry for parallel processing the real-time signal with the open structure of claim 6, further comprising a plurality of interface modules coupled to the local bus for using as an I/O interface between the real-time signal processing circuitry and outside and among the modules.

13. The circuitry for parallel processing the real-time signal with the open structure of claim 6, wherein the local bus comprises either a VME bus or a CPCI (Compact Peripheral Component Interconnection) bus.

14. A method for parallel processing a real-time signal with an open structure suitable for a real-time parallel signal processing system having a host computer, and the real-time signal processing method comprising:

generating a system synchronization signal;

executing an I/O buffer main program for providing a plurality of control commands generated by the host computer to a function of an analog signal processing and a function of a digital signal processing according to the system synchronization signal and instructions from the host computer;

executing an analog signal processing main program and a digital signal processing main program according to the system synchronization signal and the control commands provided by the I/O buffer main program; and

executing a vector signal processing main program for performing a parallel signal processing on a digital echo raw data and generating and providing a report result to the host computer according to the control commands provided by the digital signal processing main program.

15. The method for parallel processing the real-time signal with the open structure of claim 14, wherein at a moment of activating the I/O buffer main program, further comprises the real-time parallel signal processing system performing a self-test operation and generating and providing a self-test result to the real-time parallel signal processing system.

16. The method for parallel processing the real-time signal with the open structure of claim 14, wherein the step of executing the I/O buffer main program comprises:

configuring a real-time timing control and the peripheral devices of the real-time parallel signal processing system according to a plurality of predetermined system control instructions;

activating an I/O buffer interrupt service routine;

determining whether a synchronization message generated by one of the function of the analog signal processing main program and the function of the digital signal processing main program are received;

activating the real-time timing control;

determining whether an interrupt signal generated by the real-time timing control is received or not; and

activating the I/O buffer interrupt service routine when the interrupt signal generated by the real-time timing control is received.

17. The method for parallel processing the real-time signal with the open structure of claim 16, wherein the step of executing the I/O buffer interrupt service routine comprises:

reading the system control commands generated by the host computer;

reconfiguring the real-time timing control and the peripheral devices of the real-time parallel signal processing system according to the system control commands generated by the host computer; and

providing the system control commands generated by the host computer to the function of the analog signal processing and the function of the digital signal processing.

18. The method for parallel processing the real-time signal with the open structure of claim 14, wherein the step of executing the analog signal processing main program comprises:

configuring a plurality of parameters for controlling the analog signal processing according to a predetermined system control instructions;

activating an analog signal processing interrupt service routine;

generating a synchronization message to the I/O buffer main program;

determining whether an interrupt signal generated by the real-time timing control is received or not; and

activating the analog signal processing interrupt service routine when the interrupt signal generated by the real-time timing control is received.

19. The method for parallel processing the real-time signal with the open structure of claim 18, wherein the step of executing the analog signal processing interrupt service routine comprises:

reading the control commands generated by the I/O buffer main program; and

configuring the parameters for controlling the function of the analog signal processing according to the control commands generated by the I/O buffer main program.

20. The method for parallel processing the real-time signal with the open structure of claim 14, wherein the step of executing the digital signal processing main program comprises:

configuring a pre-process of the digital echo raw data according to a predetermined system control instructions;

activating a digital signal processing interrupt service routine and a vector signal processing interrupt service routine;

generating the synchronization message to the I/O buffer main program;

determining whether either an interrupt signal generated by the real-time timing control or an interrupt generated by the function of the vector signal processing is received or not;

activating the digital signal processing interrupt service routine when the interrupt signal generated by the real-time timing control is received; and

activating the vector signal processing interrupt service routine when the interrupt signal generated by the function of the vector signal processing is received.

21. The method for parallel processing the real-time signal with the open structure of claim 20, wherein the step of executing the digital signal processing interrupt service routine comprises:

reading the control commands generated by the I/O buffer main program;

configuring and activating the function of the vector signal processing according to the control commands generated by the I/O buffer main program; and

reconfiguring the pre-process of the digital echo raw data.

22. The method for parallel processing the real-time signal with the open structure of claim 21, wherein the step of executing the vector signal processing interrupt service routine comprises:

reading and recording an interrupt information provided by the vector signal processing; and

sending the interrupt information to the host computer.

23. The method for parallel processing the real-time signal with the open structure of claim 16, wherein the vector signal processing main program is activated according to the digital signal processing main program, and the vector signal processing main program comprises activating a quantity of n vector signal processings, n is a positive integer, and wherein a step of executing the 1^st vector signal processing comprises:

reading the control commands provided by the function of the digital signal processing;

performing an initialization;

reading the digital echo raw data and generating a permission signal to the 2^nd vector signal processing;

performing the 1^st parallel signal processing;

integrating a result generated by the 1^st parallel signal processing;

integrating a result generated by other parallel signal processing; and

generating and providing a result to the digital signal processing main program.

24. The method for parallel processing the real-time signal with the open structure of claim 23, wherein the step of executing the m^th vector signal processing (where m is defined as a positive integer greater than 1 and less than n) comprises:

reading the activation control commands provided by the digital signal processing main program;

performing an initialization;

waiting for the permission signal generated by the previous vector signal processing;

reading the digital echo raw data when the previous vector signal processing has sent out the permission signal and then providing the permission signal to the next vector signal processing;

performing the m^th parallel signal processing;

integrating a result generated by the m^th parallel signal processing; and

providing the result generated by the m^th parallel signal processing to 1^st vector signal processing for integration.