JP2003263316A - Dsp device, dsp control method, and its control program - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a DSP device, a DSP control method, and its program capable of reducing program run time when a plurality of functionally classified microprogram modules are run in succession. <P>SOLUTION: The DSP device comprises a computing means 140 for executing a microprogram for processing digital signals; a storage means 110 in which the plurality of microprogram modules with predetermined functions are classified according to their functions and stored; a means 120 for selecting the plurality of microprogram modules from within the microprogram modules stored in the storage means 110; and a means 130 for reading and coupling the plurality of selected microprogram modules together to create a new microprogram module and for transferring the created microprogram module and its calling text to the computing means 140. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention generates a program for executing digital signal processing based on information on a combination of designated program modules, and sets the generated program in a digital signal processing processor. Digital Signal Processor) device, DS
The present invention relates to a P control method and its program.

[0002]

2. Description of the Related Art Conventionally, as an apparatus for setting a micro program for causing a digital signal processing processor to perform digital signal processing in acoustic signal processing, for example, one disclosed in Japanese Patent Laid-Open No. 7-302195 is known. Has been.

A conventional DSP device 1100 shown in FIG.
Is composed of a DSP 1120 for executing a microprogram for digital signal processing, and a DSP programming device 1110 for generating the microprogram and transferring it to the DSP 1120. A plurality of micro program modules having a predetermined function are stored in the program storage area 1111 of the storage means included in the DSP programming device 1110.

With this configuration, the DSP device 1100 is
DSP programming device 1 based on information of a combination of micro program modules designated from the outside
The microprogram modules stored in 110 are combined to generate a microprogram for digital signal processing, and the generated microprogram is DSP1.
It has a function of setting 120.

[0005]

However, in such a conventional DSP device 1100, in order to continuously execute the above-mentioned combined microprogram modules, it is necessary to sequentially call the microprogram modules to be executed. There is a large amount of overhead such as data transfer time that occurs when calling the micro program module, and there is a problem that the execution efficiency of the program is reduced.

The present invention has been made in order to solve such a problem, and is capable of shortening the program execution time when a plurality of microprogram modules classified by function are continuously executed. Device, D
An SP control method and its program are provided.

[0007]

The DSP device of the present invention comprises:
Arithmetic means for executing a microprogram for digital signal processing, storage means in which a plurality of microprogram modules having predetermined functions are classified and stored according to function, and micros stored in the storage means A selection means for selecting a plurality of micro program modules from the program modules and a plurality of the selected micro program modules are read, the read micro program modules are combined to generate a new micro program module, and the generation is performed. And a generating means for transferring a call statement for calling the generated micro program module to the arithmetic means. With this configuration, since a plurality of micro program modules executed by the computing means are called and executed as one micro program module, when calling the micro program modules as compared with the case where the micro program modules are sequentially called and executed. It is possible to reduce the overhead such as the data delivery time that occurs and the execution time of the microprogram executed by the arithmetic means.

Further, the DSP device of the present invention is a memory in which a computing means for executing a microprogram for digital signal processing and a plurality of microprogram modules having a predetermined function are classified and stored according to the function. Means, selecting means for selecting a plurality of micro program modules from the micro program modules stored in the storage means, reading the selected plurality of micro program modules, and combining the read micro program modules. To generate a new microprogram module,
A selecting unit for transferring the generated micro program module and a call statement for calling the generated micro program module to the arithmetic unit, wherein the selecting unit further causes the combined micro program module to be repeatedly executed. And the generating means reads the selected plurality of microprogram modules, combines the read microprogram modules, and causes the combined microprogram modules to repeatedly execute the specified number of times. To generate a new microprogram module, and transfer the generated microprogram module and a call statement for calling the generated microprogram module to the arithmetic means. It has a configuration. With this configuration, the micro program module to be repeatedly executed is stored as one micro program module in the program storage means included in the computing means, so that the program storage means is stored in the program storage means as compared with the case where the micro program modules are individually stored. It is possible to reduce the capacity of the stored microprogram.

Further, the DSP control method of the present invention comprises a selection step of selecting a plurality of the micro program modules from a storage medium in which a plurality of micro program modules having a predetermined function are classified and stored according to the function. A generating step of reading the selected plurality of micro program modules and combining the read micro program modules to generate a new micro program module; and calling the generated micro program module and the generated micro program module And a step of transferring the call statement of the above to a device for executing a microprogram for digital signal processing. With this configuration, since a plurality of microprogram modules executed by the device for executing the microprogram for digital signal processing are called and executed as one microprogram module,
As compared with the case where the microprogram modules are sequentially called and executed, it is possible to reduce the overhead such as the data transfer time that occurs when the microprogram modules are called and to shorten the execution time of the microprogram for digital signal processing. It is possible.

Further, the DSP control method of the present invention includes a selecting step of selecting a plurality of micro program modules from a storage medium in which a plurality of micro program modules having a predetermined function are classified and stored according to function. A generating step of reading the selected plurality of micro program modules and combining the read micro program modules to generate a new micro program module; and calling the generated micro program module and the generated micro program module And a call statement to a device for executing a microprogram for digital signal processing, the selecting step further includes the microprogram for digital signal processing. The number of times the combined microprogram module is repeatedly executed by the device for causing the execution is specified, and the generating step reads the selected plurality of microprogram modules, combines the read microprogram modules, and combines the combined microprogram modules. The micro program module is configured to add a command for repeatedly executing the specified number of times to generate a new micro program module. With this configuration, the micro program module to be repeatedly executed is stored as a single micro program module in the storage medium included in the device for executing the micro program for digital signal processing, so that the micro program module is individually stored. Compared to the case, it is possible to reduce the capacity of the microprogram stored in the storage medium.

Further, the DSP control program of the present invention is
A selection step of causing a computer to select a plurality of the micro program modules from a means in which a plurality of micro program modules having a predetermined function are classified and stored according to the function; and the selected plurality of micro program modules are read. Generating a new microprogram module by combining the read microprogram modules, and a calling statement for calling the generated microprogram module and the generated microprogram module to execute the microprogram And a step of transferring to a device for storing. With this configuration, since a plurality of microprogram modules executed by the device for executing the microprogram for digital signal processing are called and executed as one microprogram module,
As compared with the case where the microprogram modules are sequentially called and executed, it is possible to reduce the overhead such as the data transfer time that occurs when the microprogram modules are called and to shorten the execution time of the microprogram for digital signal processing. It is possible.

Further, the DSP control program of the present invention is
A selection step of causing a computer to select a plurality of the micro program modules from a means in which a plurality of micro program modules having a predetermined function are classified and stored according to the function; and the selected plurality of micro program modules are read. A step of generating a new microprogram module by combining the read microprogram modules, and a calling statement for calling the generated microprogram module and the generated microprogram module, for executing a microprogram To the device for executing the digital signal processing microprogram, the selecting step further comprising: Specify the number of times to execute the routine repeatedly, and the generating step reads the selected plurality of micro program modules, combines the read micro program modules, and sets the specified number of times to the combined micro program module. It has a configuration for adding a command for repetitive execution to generate a new micro program module. With this configuration, the micro program module to be repeatedly executed is stored as a single micro program module in the storage medium included in the device for executing the micro program for digital signal processing, so that the micro program module is individually stored. Compared to the case, it is possible to reduce the capacity of the microprogram stored in the storage medium.

[0013]

BEST MODE FOR CARRYING OUT THE INVENTION A first embodiment of the present invention will be described below with reference to the drawings. As shown in Figure 1,
The DSP (Digital Signal P) of the first embodiment of the present invention
The device 100 is a DSP 1 that is a computing unit that executes a microprogram that performs digital signal processing.
40, a plurality of micro program modules having a predetermined function are classified by function, and a plurality of micro program modules are selected from the storage means 110 stored and the micro program modules stored in the storage means 110. Selection means 12
A call statement for reading 0 and a plurality of selected microprogram modules, generating a new microprogram module by combining the read microprogram modules, and calling the generated microprogram module and the generated microprogram module And the generating means 130 for transferring the

The DSP 140 is a means for executing a microprogram for digital signal processing. Here, the DSP 140 has a program storage means 141 for storing a microprogram to be executed, and executes the microprogram stored in the program storage means 141 to perform digital signal processing.

The storage unit 110 is a unit for classifying the plurality of micro program modules by function and storing them in advance. Here, the stored micro program module is classified into functional units such as an external voice input function and an external voice output function in addition to the digital signal processing function for acoustic signals such as the infinite impulse response filter function. Is a microprogram module.

Further, as shown in FIG. 2A, the micro program module 210 is composed of a process execution unit 211 for executing the above function and a return instruction 212 for returning the process to the calling source. The microprogram module stored in the storage unit 110 is referred to by the selection unit 120 and the generation unit 130.

The selecting means 120 displays the function name of the micro program module stored in the storage means 110 on the user interface, and the like, and selects a new micro program module from the stored micro program modules. Allows you to select multiple microprogram modules to use to configure the program module,
It is a means for outputting information of the selected micro program module to the generation means 130.

The generation means 130 receives the information of the selected micro program module output by the selection means 120 as input, and stores the selected plurality of micro program modules based on the input information from the storage means 110. A new micro program module is generated by reading and combining the read micro program modules, and the generated micro program module and a call statement for calling the generated micro program module are provided to the DSP 140.
Is a means to transfer to.

Here, the call statement 220 is as shown in FIG.
As shown in, the call instruction unit 221 indicates that this instruction statement is a call statement, and the callee address unit 222 that specifies the address of the microprogram module of the callee. Call statement 22
A microprogram containing 0 is executed, and a call statement 2
When 20 is processed, the called address part 222
The processing moves to the microprogram module stored starting from the address specified in.

The generated new micro program module has a structure in which the processing execution units of the respective micro program modules are continuous. FIG. 3 is a conceptual diagram showing a configuration example of the newly generated micro program module, which is generated by combining the first micro program module, the second micro program module, and the third micro program module. A micro program module 300 is shown. Figure 3
In the first microprogram module, the second
The microprogram module return instructions have been removed. With this configuration, when the micro program module 300 is executed, the process executing unit 311 of the first micro program module, the process executing unit 321 of the second micro program module, and the process executing unit 331 of the third micro program module. When the processing is advanced to the return instruction 302, the processing is returned to the calling source of the micro program module 300.

The DSP 140 receives the new micro program module and the call statement output by the generation means 130 as input, stores the micro program module in the micro program module area,
The call statement is stored in the program storage area.

Here, the micro program module area means the program storage means 1 included in the DSP 140.
An area for storing the micro program module, which is allocated as a specific storage area 41. Further, the program storage area is an area allocated as a specific storage area of the program storage means 141 included in the DSP 140, and is an area for storing a micro program excluding a micro program module.

FIG. 4 is a conceptual diagram showing a configuration example of a storage area of the program storage means 141 when the micro program module and the call statement are input to the DSP 140. FIG. 4 shows a state in which the generated micro program module 210 is stored in the micro program module area 142 and the call statement 220 is stored in the program storage means 143.

In the configuration example of the storage area of the program storage means 141 shown in FIG. 4, when a micro program is executed by the DSP 140, when the processing of the micro program advances to the call statement 220, the micro program module 210 is called, When the processing of the micro program module 210 is completed, the processing proceeds to the statement stored next to the call statement 220.

FIG. 5 shows a DS according to the first embodiment of the present invention.
It is a flow chart which shows a flow of processing in a P control method. Prior to the processing described below, the storage means 110
In, a plurality of micro program modules having predetermined functions are classified according to function and stored.

In step S110, the selection means 120
A plurality of micro programs that form a new micro program module from the stored micro program modules are displayed by displaying the function names of the micro program modules stored in the storage unit 110 on the user interface. Select a program module. In step S120, the generation means 130
The plurality of selected micro program modules are read and the read micro program modules are combined.

Here, FIG. 6 is a flowchart showing in detail the flow of processing in step S120. In step S121, the generation unit 130 reads the selected plurality of micro program modules.

In step S122, the generating means 130
Delete the return instruction contained in the read micro program module. In step S123, the generation means 13
For 0, the microprogram modules in which the above-mentioned return instruction is deleted are combined.

In step S124, the generation means 130
The process branches depending on whether or not all the selected microprogram modules are combined. If all the selected microprogram modules are combined, the process proceeds to step S125, and all the selected microprogram modules are selected. If the micro program module is not coupled, the process proceeds to step S122.

In step S125, the generating means 130
A return instruction is added to the combination of the selected micro program modules to make a new micro program module. By the above steps, a new micro program module is generated from the selected micro program module, and the process is performed in step S
Proceed to 130.

In step S130, the generation means 130
The generated micro program module and a call statement for calling the generated micro program module are transferred to the DSP 140.

The DSP according to the first embodiment of the present invention
The control method can be implemented using the DSP device 100, but each component of the DSP device 100 can also be configured by a general computer device having an interface, an arithmetic and control unit, and a storage device. In that case, the storage unit 110, the selection unit 120, and the generation unit 130 can correspond to the storage device, the interface, and the arithmetic and control unit, respectively.

Further, in the first embodiment of the present invention, the DSP control method for performing the processing in each of the steps S110 to S130 has been described, but in each of these steps S110 to S130. For executing DSP control operation including processing of
Generate a control program, and based on that program,
The computer executes these steps S110 to S13.
It is also possible to execute the DSP control operation including the processing in each step up to zero.

As described above, the DSP setting device, the DSP control method, and the program thereof according to the first embodiment of the present invention call a plurality of micro program modules executed by the DSP 140 as one micro program module. In order to execute the microprogram module, overheads such as data passing time when calling the microprogram module are reduced and execution time of the microprogram executed by the DSP 140 is shortened as compared with the case where the microprogram module is sequentially called and executed. It is possible to

The DSP of the first embodiment of the present invention
In addition to the method of loading the above-mentioned DSP control program stored in a predetermined storage medium into a computer, the control program obtains the DSP control program in a file format from a communication interface and a network, and executes it in the computer. The same effect can be obtained by the method. Furthermore, using a network makes it easy to update and distribute the program.

FIG. 7 shows a DS according to the second embodiment of the present invention.
3 is a diagram showing a block configuration of a P device 700. FIG. In the DSP device 700, the selection means 720 causes the processing performed by the selection means 120 in the DSP device 100 according to the first embodiment of the present invention to further specify the number of times that the combined microprogram module is repeatedly executed by the DSP 140. Then, the generation unit 730 adds an instruction to the processing performed by the generation unit 130 in the DSP device 100 according to the first embodiment of the present invention, and further causes the combined microprogram module to repeatedly execute the specified number of times. The difference is that it is added at the beginning.

The DSP of the second embodiment of the present invention
Among the constituent means constituting the apparatus 700, those which perform the same processing as the constituent means in the DSP apparatus 100 according to the first embodiment of the present invention are designated by the same reference numerals, and the description thereof will be omitted.

The selecting means 720 displays the function name of the micro program module stored in the storage means 110 on the user interface, etc., and selects a new micro program from the stored micro program modules. Allows you to select multiple microprogram modules to use to configure the program module,
Further, the number of times the new micro program module is repeatedly executed (hereinafter referred to as the number of continuous executions) is designated, and the information of the selected micro program module and the information of the designated number of continuous executions are generated.
It is a means for outputting to 30.

The generating means 730 receives the information on the selected micro program module and the information on the number of continuous executions output by the selecting means 720, and based on the input information on the selected micro program module. The selected plurality of micro program modules are read from the storage means 110, the read micro program modules are combined, and the number of times specified by the information on the number of continuous executions input to the combined micro program module is repeatedly executed. A new microprogram module is generated by adding a command for causing the new microprogram module to be generated, and the generated new microprogram module and a call statement for calling the generated microprogram module are added to the DS.
It is a means for transferring to P140.

Here, FIG. 8 is a conceptual diagram showing a configuration example of the new micro program module generated as described above. The first micro program module, the second micro program module, and the third micro program module. 2 shows a microprogram module 800 generated by adding a repeating instruction 810 to the head to repeatedly execute the processing execution units of the combined microprogram modules. In FIG. 8, the return instructions of the first micro program module and the second micro program module are omitted.
With this configuration, the micro program module 800
Is executed, the process execution unit 311 of the first micro program module, the process execution unit 321 of the second micro program module, and the process execution unit 331 of the third micro program module successively repeat the instructions in that order. When it is repeatedly executed the number of times designated by 810 and the process proceeds to the return instruction 302, the process returns to the calling source of the micro program module 800.

FIG. 9 shows D of the second embodiment of the present invention.
It is a flow chart which shows a flow of processing in a SP control method. Note that among the processes of the DSP control method of the second embodiment of the present invention, the D of the first embodiment of the present invention described above is used.
The same processes as those in the SP control method are designated by the same reference numerals, and the description thereof will be omitted.

Prior to the processing described below, the storage means 110 stores a plurality of micro program modules having predetermined functions classified by function.

At step S210, the selecting means 720
A plurality of micro programs to be configured as new micro program modules among the stored micro program modules by displaying the function names of the micro program modules stored in the storage unit 110 on the user interface. The program module is selected, and the number of times the new micro program module is repeatedly executed is designated.

In step S220, the generation means 730
The plurality of selected micro program modules are read and the read micro program modules are combined.

Here, FIG. 10 is a flowchart showing in detail the flow of processing in step S220. Among the processes in step S220 of the DSP control method of the second embodiment of the present invention, the same processes as those in step S120 of the DSP control method of the first embodiment of the present invention are the same. The reference number is attached and the description is omitted.

In step S125, the generation means 730
A return instruction is added to the combination of the selected microprogram modules. In step S226, the generation unit 730 adds an instruction for repeatedly executing the specified number of times to the combination of the selected microprogram modules and the addition of the return instruction.

By the above steps, a new micro program module is generated from the selected micro program module, and the processing is step S130.
Proceed to.

In step S130, the generation means 730
The generated micro program module and a call statement for calling the generated micro program module are transferred to the DSP 140.

The DSP of the second embodiment of the present invention
The control method can be implemented using the DSP device 700, but the predetermined configuration means of the DSP device 700 should be configured by a general computer device having an interface, an arithmetic and control unit, and a storage device. You can also In that case, the storage means 110 and the selection means 7
20 and the generation means 730 are a storage device,
It can correspond to the interface and the arithmetic and control unit.

Further, in the second embodiment of the present invention, the DSP control method for performing the processing in each of the steps S210, S220 and S130 has been described, but these steps S210, S220 and S220 are also described.
A DSP control program for executing the DSP control operation including the processing in each step of 130 is generated, and the computer includes the processing in each of these steps S210, S220, and S130 based on the program. It is also possible to execute a DSP control operation.

As described above, in the DSP device, the DSP control method, and the program thereof according to the second embodiment of the present invention, a micro program module to be repeatedly executed is defined as one micro program module.
Since the program is stored in the program storage means 141 included in the DSP 140, the program storage means 141 is different from the case where the micro program modules are individually stored.
It is possible to reduce the capacity of the microprogram stored in.

The DSP of the second embodiment of the present invention
In addition to the method of loading the above-mentioned DSP control program stored in a predetermined storage medium into a computer, the control program obtains the DSP control program in a file format from a communication interface and a network, and executes it in the computer. The same effect can be obtained by the method. Furthermore, using a network makes it easy to update and distribute the program.

[0053]

As described above, according to the present invention, when a plurality of micro program modules classified by function are continuously executed, the program execution time can be shortened, a DSP device and a DSP control method. And that program can be provided.

[Brief description of drawings]

FIG. 1 is a diagram showing a schematic block configuration of a DSP device according to a first embodiment of the present invention.

FIG. 2 is a diagram showing a structure of a micro program module and a diagram showing a call statement structure of the micro program module.

FIG. 3 is a conceptual diagram showing a configuration example of a micro program module generated by a generation unit that constitutes the DSP device according to the first embodiment of the present invention.

FIG. 4 is a conceptual diagram showing a configuration example of a storage area in the program storage means of the first exemplary embodiment of the present invention.

FIG. 5 is a flowchart showing a processing flow in the DSP control method according to the first embodiment of the present invention.

FIG. 6 is a flowchart showing in detail a processing flow in a generation step of the DSP control method according to the first embodiment of the present invention.

FIG. 7 is a diagram showing a schematic block configuration of a DSP device according to a second embodiment of the present invention.

FIG. 8 is a conceptual diagram showing a configuration example of a micro program module generated by a generation unit that constitutes the DSP device according to the second embodiment of the present invention.

FIG. 9 is a flowchart showing the flow of processing in the DSP control method according to the second embodiment of the present invention.

FIG. 10 is a flowchart showing in detail a processing flow in a generation step of the DSP control method according to the second embodiment of the present invention.

FIG. 11 is a diagram showing a schematic block configuration of a conventional DSP programming device.

[Explanation of symbols]

100, 700, 1100 DSP device 110 Storage means 120, 720 Selection means 130, 730 Generation means 140, 1120 DSP 141 Program storage means 142 Micro program module area 143 Program storage areas 210, 300, 800 Micro program module 211 Micro program module Processing execution units 212 and 302 Micro program module return instruction 220 Micro program module call statement 221 Call statement call instruction section 222 Call statement call destination address section 311 First micro program module process execution section 321 Second micro Program module process execution unit 331 Third micro program module process execution unit 810 Repeated instruction 1110 DSP Programming device 1111 program memory area

Claims (6)

[Claims] 1. An arithmetic unit for executing a microprogram for digital signal processing, a storage unit in which a plurality of microprogram modules having a predetermined function are classified and stored according to the function, and the storage unit is provided in the storage unit. A selecting means for selecting a plurality of micro program modules from the stored micro program modules and the plurality of selected micro program modules are read, and the read micro program modules are combined to form a new micro program module. A DSP device comprising: a generation unit that generates and transfers the generated microprogram module and a call statement for calling the generated microprogram module to the arithmetic unit. 2. The selecting means further designates the number of times that the combined micro program modules are repeatedly executed, and the generating means reads the selected plurality of micro program modules, and the read micro program modules are loaded. A new micro program module is generated by combining and combining the combined micro program modules with an instruction for repeatedly executing the specified number of times, and the generated micro program module and the generated micro program module are generated. The DSP device according to claim 1, wherein a call statement for calling is transferred to the arithmetic means. 3. A selecting step of selecting a plurality of the micro program modules from a storage medium in which a plurality of micro program modules having a predetermined function are classified and stored according to the function, and the selected plurality of micro programs. Load the module,
A generation step of combining the read microprogram modules to generate a new microprogram module, and a microprogram for digital signal processing of the generated microprogram module and a call statement for calling the generated microprogram module. And a step of transferring to a device for executing the DSP control method. 4. The selecting step further specifies the number of times that the combined microprogram module is repeatedly executed by the apparatus for executing the microprogram for digital signal processing, and the generating step includes the selecting step. Reading a plurality of micro program modules, combining the read micro program modules, and adding a command to the combined micro program modules to repeatedly execute the specified number of times to generate a new micro program module. 4. The DSP control method according to claim 3, wherein. 5. A selecting step for causing a computer to select a plurality of the micro program modules from a storage medium in which a plurality of micro program modules having a predetermined function are classified according to function and stored, and the selected plurality. A generation step of reading the micro program module of (1) and combining the read micro program modules to generate a new micro program module; and a call statement for calling the generated micro program module and the generated micro program module. And a step of transferring to a device for executing a microprogram for digital signal processing, the DSP control program. 6. The selecting step further specifies the number of times to repeat execution of the combined microprogram module by a device for executing the microprogram for digital signal processing, and the generating step includes the selecting step. Reading a plurality of micro program modules, combining the read micro program modules, and adding a command to the combined micro program modules to repeatedly execute the specified number of times to generate a new micro program module. The DSP control program according to claim 5, wherein