JP5350210B2 - Electronic module control program - Google Patents

Description

The present invention relates to an electronic module control program for executing a control of the electronic device mounted on the electronic module to the computer.

  2. Description of the Related Art Electronic modules that mutually convert electrical signals and optical signals using electronic elements controlled by a computer, such as optical elements, have been developed. This electronic module is built in a communication device that transmits and receives data using an optical fiber as a transmission path (see, for example, Patent Documents 1 to 3). The electronic module may be used alone, or a plurality of electronic modules may be used in an integrated manner. In this case, it is necessary to provide a computer for controlling the optical element in each electronic module.

Japanese Patent No. 4135016 JP 2008-026375 A JP 2008-244047 A

  In order to control the electronic elements mounted on the electronic module with a computer, it is necessary to write an electronic module control program in the computer of the electronic module. When a plurality of electronic modules are used in an integrated manner, it is necessary to write the same electronic module control program to each computer that controls the electronic elements.

  Therefore, in the present invention, after writing the electronic module control program to the computer of one electronic module, the electronic module control program is sequentially transferred from the computer of this one electronic module to the computer of the other electronic module, so that a plurality of An object of the present invention is to provide an electronic module control program and an electronic module manufacturing method capable of efficiently writing an electronic module control program to a computer.

  In order to solve the above problem, after an electronic module control program is written in a computer that controls an electronic element mounted on one electronic module, the computer that controls the electronic element mounted on the one electronic module is an electronic module. Start operation according to the control program. Next, a reset signal for enabling writing of the electronic module control program and the electronic module control program are transferred to a computer of another electronic module. Then, after the transfer of the electronic module control program is completed, the transfer of the electronic module control program of the computer that controls the electronic elements mounted on the one electronic module is prohibited.

  Specifically, an electronic module control program according to the present invention is an electronic module control program for executing control of an electronic element mounted on an electronic module using a computer, A transfer flag determination step for determining its own program transfer flag indicating a permission state or a prohibition state of transfer of the electronic module to the computer, and a program command for controlling the electronic module control program if the program transfer flag is in a permission state A reset signal output step for outputting a reset signal enabling the input to the computer of the other electronic module; and after outputting the reset signal, the electronic module control program stored in the computer is stored in the other electronic module. Module And program transfer step of transferring the computer, the transfer of the electronic module control program is completed, and a transfer flag setting step of setting a self said program transfer flag of the disabled state in order.

  According to this method, after the electronic module control program is written, the computer of one electronic module starts operation according to the written electronic module control program, and the electronic module control program is transferred to the computer of the other electronic module. Is also written. Further, the computer is prohibited from transferring the electronic module control program after the writing is completed. Therefore, the computer of one electronic module does not inadvertently write the electronic module control program to the computer of another electronic module, and the computer of the other electronic module is inadvertently written with the electronic module control program. There is no.

  The electronic module control program according to the present invention is characterized in that the program transfer flag is in a permitted state as an initial condition.

  According to this method, the computer of one electronic module can write the electronic module control program in a cascade manner to each computer of the plurality of electronic modules.

  In addition, the electronic module control program according to the present invention, after the program transfer step, when the program transfer flag is in a permitted state and the computer of the other electronic module is not responding, The program transfer flag is set to a prohibited state.

  According to this method, it is not necessary to specify the number of times the electronic module control program is continuously written in the electronic module control program, so the electronic module control program is an electronic module control program that does not depend on the number of electronic modules. Can do.

  In addition, any one of the electronic module control programs according to the present invention can be executed as a program by a computer and recorded on a computer-readable recording medium.

  Furthermore, any one of the electronic modules according to the present invention includes a computer in which an electronic module control program to be executed by a computer is written, and an electronic element that is controlled using the computer.

  An electronic module manufacturing method according to the present invention is an electronic module manufacturing method including a computer that controls an electronic element, and an electronic module control program for executing control of the electronic element using the computer. An electronic module connection step of electrically connecting the stored host computer and the first electronic module, and electrically connecting the first electronic module and the second electronic module, and the host computer, A first program writing step of writing the electronic module control program to the first electronic module computer; and the first electronic module computer is written to the second electronic module computer. Transfer and write the electronic module control program And a free second program writing process in order.

  According to this manufacturing method, when the electronic module control program is written in the computer of one electronic module, it is automatically written in the computers of other electronic modules of other electronic modules. Therefore, even if a computer is mounted on each of the plurality of electronic modules, it does not take time to write the electronic module control program.

  In the electronic module manufacturing method according to the present invention, the computer of the electronic module includes a program transfer flag that determines whether or not the program can be transferred, and the computer of the first electronic module in the second program writing step. When the program transfer flag is in a permission state, a reset signal is output to the computer of the second electronic module to wait for input of the program command, and the electronic module control program is transferred. And

  According to this manufacturing method, the computer of the other electronic module can check the written electronic module control program according to the program command that can be input when the reset signal is input. Can be written.

  Further, in the electronic module manufacturing method according to the present invention, the program transfer flag prohibiting step of changing the program transfer flag from the permitted state to the prohibited state provided in the first electronic module is replaced with the second program writing step. It is characterized by having after.

  According to this manufacturing method, after the writing is completed, the computer is prohibited from transferring the electronic module control program, and then starts operating in accordance with the written electronic module control program. Therefore, the computer of one electronic module does not inadvertently write the electronic module control program to the computer of another electronic module, and the computer of the other electronic module may inadvertently write the electronic module control program. Absent.

  The above inventions can be combined as much as possible.

  According to the present invention, after writing the electronic module control program to the computer of one electronic module, the electronic module control program is sequentially transferred from the computer of the one electronic module to the computer of the other electronic module, thereby An electronic module control program can be efficiently written in a computer.

1 is a structural diagram of an electronic module system according to the present invention. It is a circuit block diagram of the electronic module system which concerns on this invention. It is the flowchart which showed the control flow of the electronic module control program. It is the flowchart which showed the exception process by the reset signal of an electronic module control program. It is the flowchart which showed the manufacturing process of the electronic module.

  Embodiments of the present invention will be described with reference to the accompanying drawings. The embodiment described below is an example of the configuration of the present invention, and the present invention is not limited to the following embodiment. In the present specification and drawings, the same reference numerals denote the same components.

  FIG. 1 is a structural diagram of an electronic module system 40 according to the present invention. Reference numeral 10 denotes a housing for mounting the electronic module, 11 denotes an electronic module, and 12 denotes an optical fiber. The housing 10 on which the electronic module 11 is mounted can mount a single electronic module 11 or a plurality of electronic modules 11. In FIG. 1, as an example, the electronic module 11 and the electronic module 101 having the same function as the electronic module 11 are mounted, but the number of mounted modules is not limited. The electronic module 11 receives an electrical signal and outputs it as an optical signal, or receives an optical signal and outputs it as an electrical signal. The optical fiber 12 is used for transmission / reception of data between communication devices as a transmission path of an optical signal output from the electronic module 11 or as a transmission path of an optical signal input to the electronic module 11. The electronic module 11 includes an optical element that transmits and receives an optical signal and a computer that controls the optical element.

  FIG. 2 is a circuit configuration diagram in the program writing process of the electronic module system 40 according to the present invention. The electronic module 11 includes a computer 20, an optical element 21, a reset terminal 22, a program input terminal 24, a program output terminal 25, and a reset output terminal 30. The optical fiber 12 is connected to the optical element 21. The electronic module reset terminal 50 and the electronic module data input terminal 51 are connected to a host computer (not shown) that transfers an electronic module control program to one electronic module 11. A reset switch 23 is provided between the electronic module reset terminal 50 and the reset terminal 22 of the electronic module 11 to turn on or off the electrical connection therebetween. The reset switch 23 is turned on, that is, is conducted only when the electronic module control program is transferred from the host computer (not shown) to the computer 20 provided in one electronic module 11. The reset signal from the host computer (not shown) is input to the reset terminal 22 only when the connection is made. In order to make the reset switch 23 conductive, it may be short-circuited using a jig, or may be short-circuited by a switch.

  The computer 20 includes a CPU (Central Processing Unit) 31, a flash memory 28, a RAM (Random Access Memory) 29, and an output terminal control circuit 32. The CPU 31 is a central processing unit that controls the optical elements of the electronic module according to fixed values stored in the flash memory 28 and the RAM 29 and an electronic module control program. The RAM 29 is a rewritable area for temporarily storing various programs and data. The flash memory 28 is a rewritable non-volatile area for storing an electronic module control program executed by the CPU 31, and the stored data is retained even after the electronic module is turned off. The flash memory 28 is provided with a program transfer flag 27. The program transfer flag 27 is a flag for determining permission / prohibition of transfer of the electronic module control program of the computer 20. The description of elements common to the structural diagram shown in FIG. 1 is omitted.

  The electronic module reset terminal 50 is connected to a data input / output terminal (not shown) other than the reset terminal 22 of one electronic module 11 except during the above transfer, and data input / output between the electronic module 11 and the outside is performed. I do. The reset terminal 22 is connected to the computer 20. When the computer 20 acquires the reset signal, the computer 20 stops the electronic module control program in operation and waits for input of a program command.

  The electronic module data input terminal 51 is connected to a host computer (not shown) that transfers an electronic module control program to one electronic module 11. The electronic module data input terminal 51 is connected to the program input terminal 24 of one electronic module 11. The reset output terminal 30 of one electronic module 11 is connected to the reset terminal 22 of another electronic module 101, and the program output terminal 25 of one electronic module 11 is connected to the program input terminal 24 of the other electronic module 101. It is connected.

  In the present embodiment, an example will be described in which one electronic module 11 and another adjacent electronic module 101 are connected one by one and an electronic module control program is written in a computer 20 provided in each electronic module 11. Here, when the electronic module control program is written in three or more electronic modules, the reset terminal 22 of another electronic module adjacent to the other electronic module 101 is connected to the reset output terminal 30 of the other electronic module 101. By connecting and connecting the electronic modules 11 in cascade so that the program input terminal 24 of another electronic module adjacent to the other electronic module 11 is connected to the program output terminal 25 of the other electronic module 101, Module control programs can be written to all electronic modules.

  Next, the configuration of the computer 20 provided in the electronic module 11 will be described. The computer 20 transfers the setting information of the light-emitting side optical element 21 to a laser drive circuit (not shown) for controlling the optical element 21 that is one of the electronic elements. Then, information such as the presence / absence of a signal and light reception power is acquired from a reception amplifier that amplifies an electric signal converted from an optical signal by the light receiving side optical element 21. The computer 20 operates according to the electronic module control program in which these functions are written. The computer 20 transfers setting information including control data such as light emission power of the optical element 21 from the flash memory 28 to the RAM 29. The CPU 31 controls the flash memory 28, the RAM 29, and the input / output terminal control circuit 32 based on the electronic module control program written in the flash memory 28. The input / output terminal control circuit 32 controls the reset terminal 22, the program input terminal 24, the program output terminal 25 and the reset output terminal 30 which are connected to the outside in accordance with a command from the CPU 31.

  The program transfer flag 27 provided in the flash memory 28 is a flag for determining permission or prohibition of transfer of the electronic module control program of the computer 20. The computer 20 determines whether the program transfer flag 27 is in a permitted state or a prohibited state based on the electronic module control program. When in the permitted state, the computer 20 is in a state where the electronic module control program can be transferred to the computer 20 provided in the other electronic module 101. On the other hand, when the electronic module control program is in the prohibited state, the electronic module control program cannot be transferred to the computer 20 provided in the other electronic module 101.

  The computer 20 acquires an electronic module control program from the electronic module data input terminal 51 via the program input terminal 24. Further, the computer 20 transfers the electronic module control program from the program output terminal 25 to the computer 20 of the other electronic module 101. As a communication method of the electronic module control program, there are I2C (Inter-Integrated Circuit) which is a two-wire communication method, SPI (Serial Peripheral Interface) which is a three-wire communication method, and the like. The computer 20 is connected to the optical element 21, the program input terminal 24, and the program output terminal 25. The optical element 21 is connected to the computer 20 and converts an input electrical signal into an optical signal for output, or converts an input optical signal into an electrical signal for output.

  Next, a series of operations of writing, outputting and starting the electronic module control program according to the present invention will be described with reference to FIGS. First, the writing operation of the first electronic module control program from the host computer (not shown) to one electronic module 11 will be described.

  First, the reset switch 23 is turned on, and a reset signal is input from the host computer (not shown) to the reset terminal 22 of the electronic module 11. When a reset signal is input from the reset terminal 22, the computer 20 proceeds to exception processing shown in FIG. 4. FIG. 4 is a flowchart showing exception processing by a reset signal of the electronic module control program. As shown in FIG. 4, exception processing by the reset signal of the electronic module control program according to the present invention includes program stop step S201, program command presence / absence determination step S202, program command content determination step S203, and program write step S204. Then, program output step S205 and program start step S206 are executed in order.

  Upon acquiring the reset signal, the computer 20 proceeds to program stop step S201, stops the electronic module control program, proceeds to program command presence / absence determination step S202, and determines the presence / absence of the program command. If the computer 20 confirms the presence of the program command, the computer 20 proceeds to a program command content determination step S203 to determine the content of the program command. If the presence of the program command cannot be confirmed, the computer 20 maintains a state waiting for input of the program command. The reset signal may have a specific data format, or a voltage level or a short / open state format with respect to ground.

  Next, a host computer (not shown) sends a program write command, which is one of the program commands, from the electronic module data input terminal 51 through the program input terminal 24 of the computer 20. The computer 20 that has acquired the program write command writes the transferred electronic module control program in the flash area 28 of the computer 20 in the program write step S204. When the writing of the electronic module control program is completed, the computer 20 transmits a signal indicating the completion of the program writing to the host computer (not shown) through the program input terminal 24.

  A host computer (not shown) that has acquired a signal indicating completion of program writing sends a program output command, which is one of the program commands, from the electronic module data input terminal 51 to the program input terminal 24 of the computer 20. When the program output command is acquired from the program input terminal 24, the computer 20 proceeds to the program output step S205. In the program output step S205, the electronic module control program written in the flash area 28 is output from the program input terminal 24 to the host computer (not shown) through the electronic module data input terminal 51. A host computer (not shown) acquires the output electronic module control program and compares it with the electronic module control program sent to the computer 20. When it is confirmed that the electronic module control program has been written without fail, the host computer (not shown) sends a signal indicating completion of transfer of the electronic module control program from the data input terminal 51 to the program input terminal 24 of the computer 20. send. The computer 20 acquires a signal indicating completion of transfer of the electronic module control program, whereby the writing of the electronic module control program is completed from the host computer (not shown) to the computer 20 provided in the one electronic module 11.

  Next, a host computer (not shown) transmits a reset release command, which is one of program commands, from the electronic module data input terminal 51. The computer 20 having acquired this reset release command executes a program start step S206 for starting the electronic module control program.

  With the above series of operations, the writing operation of the electronic module control program to the computer 20 provided in the one electronic module 11 connected to the reset switch 23 is completed. The computer 20 provided in one electronic module 11 can control the optical element 21 by an electronic module control program.

  Here, the operation of the electronic module control program will be described. FIG. 3 is a flowchart showing a control flow of the electronic module control program. The electronic module control program is an electronic module control program for executing control of the optical element 21 mounted on the electronic module 11 using the computer 20, and is a register initialization step S <b> 107 for initializing the functions of the computer 20. An input / output terminal initialization step S108 for setting input / output of the input / output terminals provided in the computer 20, a program transfer flag determination step S101 for determining whether the program transfer flag 27 is permitted or prohibited, and a reset signal output step. S102, program transfer step S103, transfer flag setting step S104, program start step S105, and electronic element control step S106 are executed in order.

  The computer 20 first executes a register initialization step S107. For example, when the computer 20 is started up, in the register initialization step S107, the registers in the computer 20 are initialized to initialize the functions provided in the computer 20. The register value is set from the electronic module control program when the computer 20 is started.

  Next, the computer 20 executes an input / output terminal initialization step S108. In the input / output terminal initialization step S108, the computer 20 sets the input / output of the input / output terminals provided in the computer 20. When setting to the output side, a High state or a Low state is set as a signal value at the time of output.

  When the electronic module control program is activated, the computer 20 proceeds to a program transfer flag determination step S101 and determines its own program transfer flag 27. If there is no need to transfer a program to the computer 20 provided in another electronic module 101 connected in cascade, the program transfer flag 27 is prohibited. The electronic module 11 proceeds to an electronic element control step S106 for controlling the optical element 21, and performs a normal signal transmission / reception operation according to the electronic module control program. On the other hand, in the initial state, when the program transfer flag 27 is set to the permitted state in the initial state, that is, the program transfer to the computer 20 provided in another electronic module 101 connected in cascade. If necessary, the computer 20 proceeds to a reset signal output step S102.

  In the reset signal output step S <b> 102, the computer 20 provided in one electronic module 11 outputs a reset signal from the reset output terminal 30. The computer 20 provided in another electronic module 101 connected in cascade and having acquired a reset signal from the reset terminal 22 is in a state of waiting for input of a program command. This program command input waiting state corresponds to the exception process start process of the electronic module control program, as shown in FIG.

  Hereinafter, in the same manner as the electronic module control program writing process from the host computer (not shown) to the computer 20 of the one electronic module 11, other electronic modules connected in cascade from the computer 20 of the one electronic module 11 are connected. The electronic module control program is written into the computer 20 of 101. That is, the computer 20 of one electronic module 11 serves as a host computer (not shown), and writes an electronic module control program to the computer 20 of another electronic module 101. Therefore, in the program transfer step S <b> 103, the computer 20 of one electronic module 11 transfers the electronic module control program written in the flash area 28 of one electronic module 11 to the computer 20 of another electronic module 101. The transfer process of the electronic module control program is the same process as the exception process described above, and a description thereof will be omitted.

  When the electronic module control program for the computer 20 provided in the other electronic module 101 is completed, the computer 20 provided in one electronic module 11 proceeds to the transfer flag setting step S104. In the transfer flag setting step S104, the computer 20 provided in one electronic module 11 sets its own program transfer flag 27 to a prohibited state. This prohibited state is a flag that disables transfer of the computer 20 included in one electronic module 11 to the electronic module control program. Further, the computer 20 provided in one electronic module 11 outputs a reset release command for starting the electronic module control program of the computer 20 provided in the other electronic module 101 from the program output terminal 25. When the computer 20 provided in another electronic module 101 connected in cascade adjacent to one electronic module 11 acquires a reset release command from the program input terminal 24, the computer 20 starts an electronic module control program.

  The example in which one electronic module 11 and another adjacent electronic module 101 are connected one by one and the electronic module control program is written in the computer 20 provided for each has been described above. Here, when the electronic module control program is written in the computer 20 of three or more electronic modules, the reset output terminal 30 of the other electronic module 101 is connected to another electronic module 101 adjacent to the other electronic module 101. Connect the reset terminal 22. Then, the program input terminal 24 of another electronic module 11 adjacent to the other electronic module is connected to the program output terminal 25 of the other electronic module 101. In this way, the electronic module control program can be written in all the electronic modules by connecting the electronic modules 11 in cascade and sequentially transferring them.

  In the electronic module connected to the end with respect to the host computer (not shown), the electronic module control program is not acquired from the program output terminal 25 in the program output step S205 in FIG. Later, its own program transfer flag 27 is set to a prohibited state. The electronic module control program writing operation is completed by entering the prohibited state, the program proceeds to program start step S105, and the process proceeds to electronic element control step S106 for controlling the optical element 21. That is, in the transfer flag setting step S104 after the program transfer step S103, the reset release command indicates that the program transfer flag 27 is in a permitted state and the computer of the electronic module connected to the end does not accept the program output command. If it is a response, the program transfer flag 27 of its own computer 20 is disabled. Then, the writing operation of the electronic module control program is completed, and the process proceeds to the electronic element control step S106 through the program start step S105 for controlling the optical element 21. With this operation, the number of times the electronic module control program is continuously written does not need to be specified in the electronic module control program, so the electronic module control program can be an electronic module control program that does not depend on the number of electronic modules. .

  The computer 20 provided in each electronic module 11 executes the written electronic module control program. By executing the electronic module control program, the computer 20 transfers the setting information of the light-emitting side optical element 21 to a laser drive circuit (not shown) that controls the optical element 21. By transferring the setting information, the computer 20 acquires information such as the presence / absence of a signal and the received light power from a reception amplifier that amplifies the electrical signal converted from the optical signal by the optical element 21 on the light receiving side. The laser drive circuit controlled by the computer 20 starts control of the light-emitting side optical element 21 and the light-receiving side optical element 21 receives the optical signal.

  As described above, the electronic module control program according to the present embodiment is written in the computer 20 of one electronic module 11 used to control the optical element 21 mounted on the plurality of electronic modules 11. The data is automatically written in the computer 20 of another electronic module 101 connected in cascade. Therefore, the electronic module control program can be efficiently written in each computer 20 of the plurality of electronic modules 11. Further, after transferring the electronic module control program, the computer 20 rewrites the program transfer flag 27 to a prohibited state in which the electronic module control program cannot be transferred. For this reason, the electronic module control program is not inadvertently transferred to the computer 20 provided in the other electronic module 11. Therefore, the computer 20 to which the electronic module control program has already been written does not change the written electronic module control program unless a reset signal is input to the first computer 20 connected thereto.

  In the electronic module control program according to the present invention, the program transfer flag 27 is in the permitted state as an initial condition.

  In the initial condition of the electronic module control program, the electronic module control program can be written in the plurality of computers 20 in a cascaded manner by setting the program transfer flag 27 to the permitted state.

  Furthermore, any electronic module control program according to the present invention can be executed by the computer 20 as a program and is recorded on a computer-readable recording medium.

  Next, with reference to FIG. 5, the manufacturing method of the electronic module which writes the electronic module control program based on this invention is demonstrated. FIG. 5 is a flowchart showing the manufacturing process of the electronic module. In FIG. 5, a first program writing step S302 shows a step with the computer 20 of one electronic module 11 using a host computer (not shown) as a writing source computer. The second program writing step S303 is a step between the writing source computer and the writing destination computer, with the computer 20 of the other electronic module 101 as the writing destination computer.

  First, in the electronic module connection step S301, the electronic module reset terminal 50 and the electronic module data input terminal 51 are connected to a host computer (not shown) that transfers an electronic module control program to one electronic module 11. The electronic module reset terminal 50 is connected to the reset terminal 22 of one electronic module 11, and the electronic module data input terminal 51 is connected to the program input terminal 24 of one electronic module 11. Further, the reset output terminal 30 of one electronic module 11 is connected to the reset terminal 22 of another electronic module 101. Then, the program output terminal 25 of one electronic module 11 is connected to the program input terminal 24 of another electronic module 101. Further, when there is an electronic module that needs to be programmed, cascade connection is performed in the same manner.

  Next, in the first program writing step S <b> 302, the host computer (not shown) outputs a reset signal from the electronic module reset terminal 50. The computer 20 provided in the one electronic module 11 that has acquired the reset signal stops the operation of the electronic module control program. In addition, the computer 20 provided in one electronic module 11 waits for input of a program command. Then, a host computer (not shown) outputs a program write command from the electronic module data input terminal 51 as a program command. The computer 20 provided in the one electronic module 11 that has acquired the program write command enters a program command input waiting state when the reset signal is input.

  Then, a host computer (not shown) outputs a program write command from the electronic module data input terminal 51 as a program command. When the computer 20 provided in one electronic module 11 obtains the program write command, the electronic module control program can be written. Subsequently, the host computer (not shown) outputs the electronic module control program data from the electronic module data input terminal 51. The computer 20 provided in the one electronic module 11 that has acquired the data of the electronic module control program writes the electronic module control program in the flash area 28 of the computer 20.

  When writing an electronic module control program to a new electronic module to which no electronic module control program is written, the electronic module control program of the host computer in the first program writing step S302 is started from the electronic module connection step S301. The stop is omitted, and the process proceeds to writing of the electronic module control program.

  Next, a host computer (not shown) outputs a program output command as a program command from the electronic module data input terminal 51. The computer 20 provided in the one electronic module 11 that has acquired the program output command outputs the written electronic module control program data from the program input terminal 24. Then, the host computer (not shown) collates the data of the electronic module control program acquired from the computer 20 of one electronic module 11 with the data of the output electronic module control program, and confirms that they match.

  If the two data match, the writing of the electronic module control program to the computer 20 of one electronic module 11 is completed. Then, the host computer (not shown) outputs a reset release command from the electronic module data input terminal 51. The computer 20 provided in one electronic module 11 in which the electronic module control program that has acquired the reset release command is written starts the electronic module control program. If the two data do not match, the host computer (not shown) returns to the execution of the first program writing step S302 and transfers the program again.

  Next, in the second program writing step S303, the electronic module control program is written from the computer 20 of the one electronic module 11 to the computer 20 of the other electronic module 101 connected in cascade to the one electronic module 11. First, the computer 20 provided in one electronic module 11 outputs a reset signal from the reset output terminal 30. The computer 20 of the other electronic module 101 acquires the reset signal, stops the operation of the electronic module control program, and enters a program command waiting state.

  Next, the computer 20 provided in one electronic module 11 outputs a program write command as a program command from the program output terminal 25. The computers 20 of the other electronic modules 101 that have acquired the program write command are ready to write the electronic module control program. Then, the computer 20 of one electronic module 11 outputs data of the electronic module control program from the program output terminal 25. The computer 20 of the other electronic module 101 that has acquired the data of the electronic module control program writes the electronic module control program in the flash area 28 of the computer 20.

  Further, the computer 20 of one electronic module 11 outputs a program output command as a program command from the program output terminal 25. The computer 20 of the other electronic module 101 that has acquired the program output command outputs the written electronic module control program data from the program input terminal 24. Next, the computer 20 of one electronic module 11 compares the data of the electronic module control program acquired from the computer 20 of the other electronic module 101 with the data of the output electronic module control program, and confirms that they match. Check.

  After the confirmation, the host computer (not shown) sets the program transfer flag 27 of the computer 20 provided in the other electronic module 101 to the prohibited state in the program transfer flag prohibiting step S304. Then, the writing of the electronic module control program from the host computer (not shown) to the computer 20 provided in the other electronic module 101 is completed.

  Subsequently, the computer 20 of one electronic module 11 outputs a reset release command from the program output terminal 25. The computer 20 of another electronic module 101 that has acquired the reset release command starts an electronic module control program. Similarly, the electronic module control program can be continuously written to the computer 20 of the electronic modules connected in cascade.

  As described above, in the electronic module manufacturing method according to the present invention, an electronic module control program is written in the computer 20 of another electronic module 101 by writing the electronic module control program in the computer 20 of one electronic module 11. Can be automatically written. Therefore, even if the computer 20 is mounted on each of the plurality of electronic modules, it does not take time to write the electronic module control program. Further, the computer 20 of one electronic module 11 writes or outputs an electronic module control program in order to write or output the electronic module control program in accordance with a program command that can be input when a reset signal is input. About hassle-free. Then, since the computer 20 sets the transfer flag 27 to the prohibited state after the writing of the electronic module control program is completed, the computer 20 of one electronic module 11 carelessly sends the electronic module control program to the computer 20 of the other electronic module 11. The computer 20 of the other electronic module 11 does not write the electronic module control program carelessly.

  The electronic module control program of the present invention can be executed by a computer of the electronic module, for example. The electronic module manufacturing method of the present invention can be applied to a manufacturing process in which an electronic module control program is written in all of a plurality of electronic modules.

10: Housing 11, 101: Electronic module 12: Optical fiber 20: Computer 21: Optical element 22: Reset terminal 23: Reset switch 24: Program input terminal 25: Program output terminal 27: Program transfer flag 28: Flash memory 29: RAM
30: Reset output terminal 31: CPU
32: Input / output terminal control circuit 40: Electronic module system 50: Electronic module reset terminal 51: Electronic module data input terminal S101: Program transfer flag determination step S102: Reset signal output step S103: Program transfer step S104: Transfer flag setting step S105 : Program start step S106: Electronic element control step S107: Register initialization step S108: Input / output terminal initialization step S201: Program stop step S202: Program command presence / absence determination step S203: Program command content determination step S204: Program write step S205: Program output step S206: Program start step S301: Electronic module connection step S302: First program document Inclusive Step S303: second program writing step S304: Program transfer flag prohibiting step

Claims (5)

An electronic module control program for executing control of electronic elements mounted on an electronic module using a computer,
A transfer flag determination step for determining its own program transfer flag indicating a permission state or a prohibition state of transfer of the electronic module control program to the computer of the other electronic module;
If the program transfer flag is in a permitted state, a reset signal output step for outputting a reset signal enabling input of a program command for controlling the electronic module control program to a computer of the other electronic module;
A program transfer step of transferring the electronic module control program stored in the computer to the computer of the other electronic module after outputting the reset signal;
When the transfer of the electronic module control program is completed, an electronic module control program for causing a computer to sequentially execute a transfer flag setting step for setting its own program transfer flag to a prohibited state.   2. The electronic module control program for causing a computer to execute according to claim 1, wherein the program transfer flag is in a permitted state as an initial condition.   After the program transfer step, when the program transfer flag is in a permitted state and the computer of the other electronic module is not responding, the program transfer flag is set to a prohibited state. An electronic module control program for causing a computer according to claim 1 to execute.   A computer-readable recording medium in which an electronic module control program to be executed by a computer according to any one of claims 1 to 3 is recorded.   An electronic module comprising: a computer in which an electronic module control program to be executed by a computer according to any one of claims 1 to 3 is written; and an electronic device controlled using the computer.

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