JP2002091798A - Device and method for debugging for signal processing software - Google Patents

Abstract

PROBLEM TO BE SOLVED: To immediately discover a problem on software on the basis of the various characteristics of the waveform of processing result data when developing software for signal processing. SOLUTION: The software for signal processing as a development object is executed on a software simulator 101, and signal processing result history data 103 and execution address data 102 are outputted. Both the data are synthesized by a signal processing result synthesizer 104 and displayed on a signal processing result waveform display device 106 to a programmer. On the basis of the displayed signal processing result waveform, the programmer sets the stop conditions of the software simulator 101 and when signal processing result data matched to the stop conditions are generated, the software simulator 101 can be immediately stopped so that the problem on the software can be discovered.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for visualizing processing result data as a waveform display when performing a software simulation in software development for signal processing, and performing an execution break based on the waveform display.

[0002]

2. Description of the Related Art Conventionally, in the development of software for signal processing, it is verified at an early stage of development whether or not a signal processing program operates normally using a software simulator. After running all software simulations, the operation results of the signal processing program are output as an external file, and the data is visualized using waveform display software or the like, and the validity of the output data is verified. If there is a defect in the output data, the programmer performs trial and error based on the waveform displayed by the waveform display software to estimate the problem part in order to find a problem in the program.

Hereinafter, a debugging method in the conventional software development for signal processing will be described.

FIG. 5 is a process chart of a conventional software development for signal processing. Reference numeral 501 denotes a software simulator that simulates the operation of a program as software, 502 denotes signal processing execution result data obtained by software simulation, and 503 denotes waveform display software that displays the waveform of the signal processing result data. 504
Is a step in which the programmer observes the waveform display of the signal processing result data displayed by 503 and estimates a defective portion on the program.

[0005] The operation of the debugging apparatus for signal processing configured as described above will be described below.

First, 501 for signal processing software
When the software simulation is executed on a software simulator, the signal processing result data 502 is output. Next, the signal processing result data is input to the waveform display software 503 to visually display the signal processing result data. Next, by observing the displayed waveform data, the programmer verifies whether the signal processing software has operated correctly. If the displayed waveform is not the desired waveform, the programmer estimates the problem on the signal processing software based on the displayed waveform,
Modify the software.

[0007]

A conventional debugging apparatus for signal processing uses signal processing result data obtained by software simulation to be input to waveform display software and visualized and displayed to determine whether signal processing has been performed correctly. Verification is possible.

However, in the conventional configuration, after all the software simulations have been performed, the processing result data is visualized and displayed by the waveform display software to verify whether the processing result is correct. Therefore, the displayed waveform is verified. However, there is a problem in that it is not possible to immediately identify a defective portion in the signal processing software, and the programmer must estimate the defective portion by trial and error.

SUMMARY OF THE INVENTION The present invention solves the above-mentioned conventional problems. A signal processing method which enables a programmer to immediately estimate a defective portion without observing an operation result of signal processing software in a waveform display without making an estimation. An object of the present invention is to provide a debugging device and method for software.

[0010]

In order to achieve this object, a debugging apparatus and method for signal processing software according to the present invention include a software simulator for simulating software for signal processing and execution address history data from the software simulator. An output device, a device for outputting signal processing result history data, a device for synthesizing signal processing result data based on the execution address history data and the signal processing result history data, and displaying the signal processing result data in various waveforms And an apparatus for setting execution stop conditions for various displayed waveforms and stopping execution of the software simulator.

[0011]

According to the above-mentioned configuration, the signal processing result data and the operating point on the signal processing software that generated the signal processing result data can be simultaneously known in synchronization with the execution of the software simulator. Because the execution stop factor can be set based on the frequency characteristics of the waveform, value range distribution, etc., it is possible for the programmer to immediately identify the faulty location on the software from the signal processing result waveform display without estimating the faulty location. it can.

An embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 is a block diagram of a debugging apparatus and method for signal processing software according to the present embodiment. In FIG. 1, 101 is a software simulator, 102 is execution address history data, 103 is signal processing result history data, 104 is a signal processing result synthesis device, 105 is signal processing result synthesis data, 106 is a signal processing result waveform display device, 107 Is execution stop condition data, 1
08 is an execution stop instruction signal.

FIG. 2 shows a configuration diagram of execution address history data, signal processing result history data, and signal processing result synthesis data. 201 is a configuration of execution address history data, 202 is a configuration of signal processing result history data, and 203 is a configuration of signal processing result synthesis data. 204 is execution time count data, 205 is an execution address, 206 is execution time count data, 207 is signal processing result data,
208 is a result waveform time count, 209 is signal processing result data, and 210 is an execution address.

The operation of the above-configured debugging apparatus and method for signal processing software according to this embodiment will be described below.

First, a programmer who develops software for signal processing creates a program and performs a software execution simulation on the software simulator 101. Simultaneously with the execution simulation, the software simulator 101 outputs execution address history data 102 and signal processing result history data 103. The signal processing result synthesizing device 104 receives the execution address history data 102 and the signal processing result history data 103 as inputs, and generates signal processing result synthesis data 105 in cooperation with the execution position on the signal processing software. The operation of the signal processing result synthesis device 104 will be described below with reference to FIG.

First, the storage position of the signal processing result composite data is initialized to the head (301). Next, the execution address history data is read (302). Next, the execution time count 204 is read from the execution address history data (30).
3). Next, the signal processing result history data is read (30
4). Next, the execution time count 206 is read from the signal processing result history data (305). Next, each of the execution address history data and the execution time counts 204 and 206 read from the signal processing result history data are compared (3).
06). When the execution time count read from the execution address history data is smaller than the comparison result, the execution time count 204 is stored in the result waveform time count column 208 of the signal processing result synthesis data (307), and the signal processing result synthesis data is stored. Execution address 2 in the execution address column 210
05 is stored (308), and the signal processing result combined data storage position is advanced to the next position (309). Next, the execution time count 206 read from the signal processing result history data is displayed in the result waveform time count column 208 of the signal processing result synthesized data.
Is stored (310). Next, the signal processing result data 207 read from the signal processing result history data is stored in the signal processing result data column 209 of the signal processing result synthesis data (311). If the execution time counts 204 and 206 are equal, the signal processing result data 207 is stored in the signal processing result data column 209 of the signal processing result synthesized data (31).
2) Next, the execution address 205 is stored in the execution address column 210 of the signal processing result synthesized data (313), and the execution time count 206 is stored in the time count column of the signal processing result synthesis data (314). When the execution time count 204 is larger than 206, the execution time count 206 read from the signal processing result history data is stored in the result waveform time count column 208 of the signal processing result synthesis data (315), and then the signal processing result synthesis is performed. The signal processing result data 207 read from the signal processing result history data is stored in the signal processing result data column 209 of the data (31).
6). Next, the signal processing result combined data storage position is advanced to the next position (317), the execution time count 204 is stored in the result waveform time count column 208 of the signal processing result combined data (318), and then the signal processing result combined data is stored. The execution address 205 is stored in the execution address column 210 of (31).
9). Next, the signal processing result composite data storage position is moved to the next position (320), and the process returns to 302.

The signal processing result waveform display device 106 visualizes and displays the signal processing result data in a wave shape based on the signal processing result synthesis data 105 generated by the signal processing result synthesizing device 104 in the above procedure. Also, the signal processing result waveform display device 106 receives the execution stop condition data 107 provided by the programmer, and executes the software simulator 101 when the data generated by the signal processing result synthesis device 104 matches the execution stop condition data 107. A stop instruction signal 108 is sent, and the software simulator 10
The simulation execution operation 1 is stopped.

As described above, according to the present embodiment, the software simulator 101 executes the execution address history data 1
02 and the signal processing result history data 103 at the same time, the signal processing result synthesizing device 104 can link the signal processing result data with the position on the signal processing software during the simulation. By setting various stop conditions based on the wave shape display and stopping the software simulator 101, the execution position on the signal processing software can be easily and immediately specified without estimating the position by trial and error.

FIG. 4 is a block diagram of a debugging apparatus and method for signal processing software according to a second embodiment of the present invention. In FIG. 4, 401 is a software simulator, 402 is execution address history data,
403 is signal processing result history data, 404 is a signal processing result synthesis device, 405 is signal processing result synthesis data, 406
Is a signal processing result waveform conversion processing device, 407 is a signal processing result waveform display device, 408 is execution stop condition data, 409
Is an execution stop instruction signal.

The operation of the debugging apparatus and method for signal processing software according to the second embodiment configured as described above will be described below.

First, a programmer who develops software for signal processing creates a program and performs a software execution simulation on a software simulator 401. Simultaneously with the execution simulation, the software simulator 401 outputs execution address history data 402 and signal processing result history data 403. The signal processing result synthesis device 404 receives the execution address history data 402 and the signal processing result history data 403 as input, and generates signal processing result synthesis data 405 in cooperation with an execution position on the signal processing software. The operation of the signal processing result synthesis device 404 is the same as in the first embodiment. Next, the signal processing result waveform conversion processing device 406 receives the signal processing result synthesis data 405 generated by the signal processing result synthesis device 404 as input and performs a frequency conversion process of the waveform.
The signal processing result waveform display device 407 visualizes and displays the waveform data output from the signal processing result waveform conversion processing device 406. Further, the signal processing result waveform display device 407 receives the execution stop condition data 408 provided by the programmer, and if the data generated by the signal processing result waveform conversion processing device 406 matches the execution stop condition data 408, the software simulator 401 Execution stop instruction signal 409
And the simulation execution operation of the software simulator 401 is stopped. Here, the execution stop condition data 408 given by the programmer is a condition for data output from the signal processing result waveform conversion processing device 406.

As described above, according to the second embodiment, the software simulator 401 simultaneously outputs the execution address history data 402 and the signal processing result history data 403, and the signal processing result synthesizing device 404 outputs the signal processing result data and The position on the signal processing software during the execution of the simulation is linked, and the signal processing result waveform conversion processing device 4
06 converts the frequency of the waveform of the signal processing result, the programmer sets a stop condition based on the frequency characteristics of the signal processing result data, and stops the software simulator 401, thereby changing the execution position on the signal processing software. It can be easily and immediately specified without being estimated by trial and error.

In the above-described embodiment, the conversion processing of the signal processing result waveform conversion processing apparatus is frequency conversion. However, instead of frequency conversion, processing for obtaining a frequency distribution, processing for obtaining a waveform value range, or the like may be used.

[0025]

As described above, according to the present invention, the execution address history data and the signal processing result history data are simultaneously output from the software simulator, and the execution position on the software is linked with the signal processing result data by the signal processing result synthesis device. Accordingly, the present invention realizes an excellent signal processing software debugging apparatus and method capable of specifying the signal processing result data and the position on the software that output the data without estimating the programmer.

[Brief description of the drawings]

FIG. 1 is a configuration diagram of a debugging device for signal processing software according to an embodiment of the present invention.

FIG. 2 is a configuration diagram of execution address history data and signal processing result history data according to an embodiment of the present invention.

FIG. 3 is a flowchart showing the operation of the signal processing result synthesizing apparatus according to the embodiment of the present invention;

FIG. 4 is a configuration diagram of a debugging device for signal processing software according to a second embodiment of the present invention.

FIG. 5 is a configuration diagram of a conventional software debug device for signal processing.

[Explanation of symbols]

 Reference Signs List 101 software simulator 102 execution address history data 103 signal processing result history data 104 signal processing result synthesis device 106 signal processing result waveform display device 107 execution stop condition data 108 execution stop instruction signal 201 configuration of execution address history data 202 signal processing result history data Configuration 204 execution time count data 205 execution address 206 execution time count data 207 signal processing result data 401 software simulator 402 execution address history data 403 signal processing result history data 404 signal processing result synthesis device 405 signal processing result synthesis data 406 signal processing result Waveform conversion processing device 407 Signal processing result waveform display device 408 Execution stop condition data 409 Execution stop instruction signal 501 Software simulator 5 02 Processing result data 503 Waveform display software 504 Estimation and correction of defect location by user

Claims (8)

[Claims] 1. A debugging device and method for signal processing software, comprising: a software simulator; a signal processing data display device; and a device for stopping execution of the software simulator using the signal processing data as an execution stop condition. 2. A debugging device and method for signal processing software, comprising: an in-circuit emulator; a signal processing data display device; and a device for stopping execution of the in-circuit emulator using the signal processing data as an execution stop condition. 3. A signal processing result synthesizing device for synthesizing a software simulator, execution address data output by the software simulator, and signal processing result data output by the software simulator, and an output of the signal processing result synthesizing device. Debugging for signal processing software including a signal processing result waveform display device for visualizing and displaying to a programmer, and an output mechanism of an execution stop instruction signal for stopping a software simulator based on an execution stop condition set in the signal processing result waveform display device Apparatus and method. 4. An in-circuit emulator, a signal processing result synthesizing device for synthesizing execution address data output by the in-circuit emulator, and signal processing result data output by the in-circuit emulator;
A signal processing result waveform display device for visualizing and displaying the output of the signal processing result synthesis device to a programmer, and an output of an execution stop instruction signal for stopping an in-circuit emulator based on an execution stop condition set in the signal processing result waveform display device Debugging apparatus and method for signal processing software having a mechanism. 5. A software simulator, a signal processing result synthesizing device for synthesizing execution address data output from the software simulator and signal processing result data output from the software simulator, and a programmer for outputting an output of the signal processing result synthesizing device. A signal processing result waveform conversion processing device for converting into an arbitrary format according to the specification of
A signal processing result waveform display device for visualizing and displaying the output of the signal processing result waveform conversion processing device to a programmer, and an execution stop instruction signal for stopping the software simulator based on the execution stop condition set in the signal processing result waveform display device. Debugging apparatus and method for signal processing software having a mechanism. 6. An in-circuit emulator, a signal processing result synthesizing device for synthesizing execution address data output from the in-circuit emulator and signal processing result data output from the in-circuit emulator, and a signal processing result synthesizing device. A signal processing result waveform conversion device for converting an output into an arbitrary format according to a programmer's specification, a signal processing result waveform display device for visualizing and displaying the output of the signal processing result waveform conversion device to a programmer, and a signal processing result waveform display device And a method for outputting an execution stop instruction signal for stopping an in-circuit emulator based on an execution stop condition set in the debugger. 7. A software simulator, a signal processing result synthesizing apparatus for synthesizing execution address data output by the software simulator and signal processing result data output by the software simulator, and an output of the signal processing result synthesizing apparatus, A signal processing result waveform conversion processing device to be converted, a signal processing result waveform display device for visualizing and displaying an output of the signal processing result waveform conversion processing device to a programmer, and an execution stop condition set in the signal processing result waveform display device. A debugging apparatus and method for signal processing software, comprising: an execution stop instruction signal output mechanism for stopping a software simulator. 8. An in-circuit emulator, a signal processing result synthesizing device for synthesizing execution address data output from the in-circuit emulator and signal processing result data output from the in-circuit emulator, and a signal processing result synthesizing device. A signal processing result waveform conversion processing device for frequency-converting the output, a signal processing result waveform display device for visualizing and displaying the output of the signal processing result waveform conversion processing device to a programmer, and an execution stop condition set in the signal processing result waveform display device And a method for signal processing software, comprising: an output stop instruction signal output mechanism for stopping an in-circuit emulator based on the program.