JP2003108515A - Inter-board control method and inter-board control device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce upper DPMEM to such a capacity as to be capable of storing data for one SLOT only by transmitting control data only to a required SLOT, and receiving state data from the whole SLOTs in every prescribed period when transmitting the control data scc- ddt to the respective SLOTs and receiving the state data scc- udt from the SLOT(0). SOLUTION: This inter-board control device is composed of a control object part and a control part for setting respective boards by transmitting the control data to a plurality of boards 2-1 to 2-16 for constituting the control object part by control of a CPU 3, and receiving the state data from the plurality of boards in every prescribed period, and includes a down storage means 1-3 for storing the control data equivalent to one transmission board, and an up storage means 1-6 for storing the state data equivalent to the plurality of boards for storing the received state data.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for accommodating a plurality of boards which are a control unit and a controlled unit, and performs setting from the control unit and collecting information such as status from each mounted board. Related to a circuit for executing.

[0002]

2. Description of the Related Art The construction of a conventional inter-panel control device and its mode of use will be described below with reference to FIGS.
FIG. 3 is a diagram showing a configuration of a conventional inter-panel control device. In FIG. 3, reference numeral 31 denotes a control unit, and 32-1 to 32-16 denote a plurality of boards (0) to (16) that constitute a controlled section (the boards are, for example, optical signal-electrical signal conversion circuits used in communication devices). Etc.), 33 is a CPU. In addition, the control unit 31 is a CPU-I / F
(CPU interface) 31-1, downlink controller 31-2, downlink D
It is composed of a PMEM (dual port memory) 31-3, a selector (SEL) 31-4, an upstream controller 31-5, and an upstream DPMEM (dual port memory) 31-6. The downlink DPMEM 31-3 and the uplink DPMEM 31-6 each have a data storage capacity of 16 SLOT.

In this inter-board control device, the DPMEM 31-3 for downlink uses a clock signal (scc-clk) generated by the downlink control unit 31-2 at a constant repetition cycle according to an instruction from the CPU 33.
The control data (scc-ddt) read from the
It is sequentially supplied to the control boards 32-1 to 32-16 according to (c-fp) and set.

The control data from the downlink control section includes, for example, a large number of control data such as loop setting, LED setting, USER / LINE IF setting, band limiting setting and the like. Therefore, the downlink DPMEM31-3 contains 16 SLOTs of the above-mentioned large number of control data.
Since it was accumulated only for (the number of boards), a large capacity dual port memory was needed.

The status data from each of the boards (0) to (16) is received by the upstream control unit 31-5 via the selector (SEL) 31-4 and recorded in the upstream DPMEM 31-6. The status data from the upstream control section includes a large number of status data such as loop information, TEST packet reception counter information, TEST packet transmission counter information, line alarm information, board-board failure information, and LED information. Used for monitoring. Therefore, the above-mentioned large number of status data are also stored in 16S for the upstream DPMEM31-6.
Since only LOT (number of boards) is stored, a large capacity dual port memory is required.

Next, the operation of the conventional inter-panel control device will be described with reference to the timing chart of FIG. FIG. 4 shows that control data for setting is transmitted to 0 to 16 SLOTs (boards (0) to (16)) at a constant repetition cycle (100 ms interval in FIG. 4), and Status data is received from SLOT (board (0) to (16)).

As shown in the figure, a constant repetition period T1 (see FIG.
Within a predetermined period T2 (20ms in Fig. 4)
s), position signals scc-fp (0) to scc-fp (16) are sequentially transmitted, individual SLOTs (boards) are specified, and control data (scc-ddt) is transmitted to individual SLOTs during this period. (Control unit → controlled unit) and status data (scc-udt) reception (control unit ←
Controlled part) is performed.

Next, the transmission of control data and the reception of status data for the individual SLOTs will be described in detail by taking the one for SLOT (0) as an example. After the rising of the pulse of the position signal scc-fp (0) for SLOT (0), the control data scc-ddt is sequentially transmitted for SLOT (0) during the period of T3 (1.25 ms in FIG. 4). Also, two clocks after the rising edge of the pulse of the position signal scc-fp (0) for SLOT (0), S
The status data scc-udt from LOT (0) is sequentially received.

The above control data scc-d for SLOT (0)
The same operation as the transmission of dt and the reception of the status data scc-udt from SLOT (0) is sequentially executed for all SLOTs. Then, the transmission of the control data scc-ddt to the SLOT (0) to (16) and the reception of the state data scc-udt from the SLOT (0) were repeatedly executed at a constant repetition cycle (T1).

[0010]

As described above, in the conventional inter-panel control device, in the device having the SLOT for accommodating a plurality of boards which are one control part and the controlled part, the setting is performed from the control part. , When performing information collection such as status from each mounted board, specify multiple SLOTs one by one, sending control data scc-ddt to each SLOT and status data scc-from SLOT (0) each time. Since udt reception and reception were executed, the downlink DPMEM and the uplink DPMEM each needed a capacity capable of accumulating data corresponding to all SLOTs.

An object (object) of the present invention is to transmit control data scc-ddt to each SLOT and status data from SLOT (0).
When performing scc-udt reception, control data should be transmitted only to the SLOTs that need it, and status data should be received from all SLOTs at specified intervals.
The goal is to have only the capacity to store 1 SLOT worth of data.

[0012]

In order to solve the above-mentioned problems, a step of executing control data transmission to an arbitrary board among a plurality of boards constituting a controlled part according to an instruction from a control part And, by the instruction from the control unit,
And a step of performing reception of status data from a plurality of boards forming the controlled unit from all the boards at a predetermined cycle. (Claim 1) With this configuration, when the control data scc-ddt is transmitted to each SLOT and the status data scc-udt is received from SLOT (0), the control data is transmitted only to the SLOT that requires transmission. The status data is received from all SLOTs at a predetermined cycle, and the upstream DPMEM can have only a capacity capable of accumulating data for one SLOT.

Further, the control data and status data storage units are composed of a dual port memory for one board and a dual port memory for a plurality of boards, respectively, so that high-speed control data transmission and Status data can be received. (Claim 2)

The control data is transmitted to the boards by SLOTID for identifying the slot in which each board is mounted.
Also, even if PKGID for identifying the board type is added and broadcast is performed for all boards, only the necessary board can receive the control data. (Claim 3)

Further, for the controlled unit and a plurality of boards constituting the controlled unit, the control data is transmitted by the control of the CPU to set each board, and the status from the plurality of boards is set. In an inter-panel control device configured by a control unit that receives data at predetermined intervals, a downlink storage unit that stores control data for one board for transmitting the control data and a storage unit that stores the received status data. The inter-panel control device is constituted by the upstream storage means for storing the status data for a plurality of boards. (Claim 4) With this configuration, it is possible for the upstream DPMEM to have only a capacity capable of storing 1 SLOT worth of data.

Further, the downlink storage means and the uplink storage means are composed of dual port memories. (Claim 5) Further, each board has a SLOT ID for identifying a slot in which the board is mounted and a PKGID for identifying the board type.
By adding the above, even if all the boards are broadcast, the control data can be received only by the necessary board. (Claim 6)

[0017]

BEST MODE FOR CARRYING OUT THE INVENTION Next, the construction of the inter-panel control device of the present invention and the mode of its use will be described. FIG. 1 is a diagram showing the configuration of the inter-panel control device of the present invention. In FIG.
Reference numeral 1 is a control unit, and 2-1 to 2-16 are a plurality of boards (0) to (16) that constitute a controlled unit (a board is a circuit such as an optical signal-electrical signal conversion circuit used in a communication device, for example. Yes, 3 is
CPU. Further, the control unit 1 includes a CPU-I / F (CPU interface) 1-1, a downlink control unit 1-2, a downlink DPMEM (dual
Port memory) 1-3, selector (SEL) 1-4, upstream controller 1-5, upstream DPMEM (dual port memory) 1-
It is composed of 6. And, the down DPMEM1-
Data storage capacity of 1 SLOT for 3 and 1 for upstream DPMEM1-6
It has a data storage capacity of 6 SLOTs.

Each of the boards (0) to (16) of the present invention has a SLOTID determined by the mounting position and a PKGID indicating the type of the board to be mounted. In the control unit 1, the SLOTID and the PKGID to be controlled are specified for the downlink data according to the instruction of the CPU 3, and one SLOT data is output to the corresponding board at regular intervals to set the board. I do.

In this case, common data is transmitted to all the boards at the same time, but each board has a function of taking in only the data whose SLOTID and PKGID of its own board match. Therefore, it is possible to set only a specific board. Note that it is possible to ignore the SLOTID and set the same settings for all the boards collectively by the information assigned before the SLOT information in the downlink data.

The control data from the downlink control section includes, for example, a large number of control data such as loop setting, LED setting, USER / LINE IF setting, band limitation setting and the like. Therefore, the downlink DPMEM1-3 does not need to have a large capacity dual port memory because it is sufficient to store only one SLOT of control data corresponding to the board requested to be changed by the CPU3.

Further, the status data from each of the boards (0) to (16) is received by the upstream control unit 1-5 via the selector (SEL) 1-4, as in the case of FIG. Recorded in DPMEM1-6. The status data from the upstream control unit includes loop information, TEST packet reception counter information, TEST packet transmission counter information, line alarm information, panel-panel failure information, and LED.
It contains a lot of status data such as information, and this data is used to monitor each board. Therefore, the upstream DP
The MEM1-6 also stores a large amount of the above status data for 16 SLOTs (the number of boards), so a large capacity dual port
Requires memory.

Next, the operation of the inter-panel control device of the present invention will be described with reference to FIG.
This will be described with reference to the timing chart of FIG. In Figure 2, 0-16
Among the SLOTs (boards (0) to (16)), the control data for setting is transmitted to the board (the board (0) in FIG. 2) for which the change request is issued from the CPU 3. Also, the SL of 0 to 16
Status data is received from the OT (boards (0) to (16)) at a constant repetition period (100 ms interval in FIG. 2).

As shown, a constant repetition period T1 (see FIG.
Then, one pulse signal (position signal scc-fp) that is a timing signal indicating the beginning is transmitted every 100 ms).
Then, in the present invention, the downlink data (control unit → controlled unit) and the uplink data (controlled unit → control unit) are transmitted / received based on the pulse signal (scc-fp).

Next, the transmission of the control data and the reception of the status data for the individual SLOTs will be described in detail by taking the one for SLOT (0) as an example. After the falling edge of the position signal scc-fp (0) pulse for SLOT (0), SLOTID (0) and PKGID (0) together with the control data for SLOT (0) scc-dd
t is sequentially transmitted during a period of T3 (1.25 ms in FIG. 4).
Also, two clocks after the falling edge of the pulse of the position signal scc-fp (0) for SLOT (0), the status data scc-udt from SLOT (0) are sequentially received.

The above status data scc-udt from SLOT (0)
An operation similar to the reception of is sequentially executed for all SLOTs. When reception of all the upstream data (state data) is completed, the CPU 3 is notified by an interrupt. The above operation is repeatedly executed at a constant repetition period (T1) (100 ms in FIG. 2).

[0026]

According to the invention described in claim 1, a step of executing control data transmission to an arbitrary board among a plurality of boards constituting the controlled section according to an instruction from the control section, According to an instruction from the control unit, a configuration including a step of receiving the status data from a plurality of boards constituting the controlled unit at a predetermined cycle from all the boards, the control data scc-ddt of each SLOT Send and S
When receiving and sending status data scc-udt from LOT (0), send control data only to the required SLOT,
By receiving the state data from all SLOTs at a predetermined cycle, the upstream DPMEM can have only a capacity capable of accumulating one SLOT worth of data.

Further, in the invention described in claim 2, the control data and status data storage units are respectively configured by a dual port memory for one board and a dual port memory for a plurality of boards. This enables high speed transmission of control data and reception of status data.

According to the third aspect of the present invention, the control data is transmitted to the boards by adding SLOTIDs for identifying the slots in which the boards are mounted and PKGIDs for identifying the board types to all the boards. On the other hand, even if the broadcast is performed, only the required board can receive the control data.

Further, in the invention according to claim 4, a CP is provided for the controlled unit and a plurality of boards constituting the controlled unit.
Under the control of U, the inter-panel control device configured by transmitting control data to set each board and receiving status data from the plurality of boards at predetermined intervals, And an ascending storage means for storing control data for one board for transmission and an ascending storage means for storing status data for a plurality of boards for storing the received status data. As a result, the upstream DPMEM only needs to have a capacity capable of storing 1 SLOT worth of data.

In the invention described in claims 5 and 6,
The downlink storage means and the uplink storage means are dual
It is composed of a port memory, and each board is provided with SLOTID for identifying the slot in which each board is mounted and PKGID for identifying the board type, so that high-speed control data transmission and status data reception are possible. In addition to being possible, even if all the boards are broadcast, the control data can be received only by the necessary board.

[Brief description of drawings]

FIG. 1 is a diagram showing a configuration of an inter-panel control circuit of the present invention.

FIG. 2 is a timing chart for explaining the operation of the inter-panel control circuit of the present invention.

FIG. 3 is a diagram showing a configuration of a conventional inter-board control circuit.

FIG. 4 is a timing chart illustrating the operation of a conventional inter-board control circuit.

[Explanation of symbols]

1 control unit 1-1 CPU-I / F 1-2 Down control section 1-3 Downstream DPMEM 1-4 selector 1-5 Upward control section 1-6 Upstream DPMEM 2-1 to 2-16 board 3 CPU

Claims (6)

[Claims] 1. A step of executing control data transmission to an arbitrary board among a plurality of boards constituting a controlled section according to an instruction from the control section, and the controlled section according to an instruction from the control section. And a step of receiving status data from a plurality of boards forming a control unit from all the boards at a predetermined cycle. 2. The control data and status data storage unit comprises a dual port memory for one board and a dual port memory for a plurality of boards, respectively. Inter-panel control method. 3. The control data is transmitted to the boards by broadcasting to all the boards by adding a SLOTID identifying a slot in which each board is mounted and a PKGID identifying the type of the board. The inter-panel control device according to claim 2, which is characterized in that. 4. A controlled unit and a plurality of boards constituting the controlled unit are controlled by a CPU to transmit control data to set each board, and a status from the plurality of boards. In an inter-panel control device including a control unit that receives data at predetermined intervals, a downlink storage unit that stores the control data for one board for transmitting the control data, and a storage unit that stores the received status data. And an inter-board control device for storing status data for a plurality of boards. 5. The inter-panel control device according to claim 4, wherein the downlink storage means and the uplink storage means are constituted by dual port memories. 6. The inter-board according to claim 4, wherein each of the boards is provided with a SLOT ID for identifying a slot in which the board is mounted and a PKGID for identifying the type of the board. Control device.