CN109144942A - The method of the device and master control borad management business plate of master control borad management business plate - Google Patents
The method of the device and master control borad management business plate of master control borad management business plate Download PDFInfo
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- CN109144942A CN109144942A CN201810987770.8A CN201810987770A CN109144942A CN 109144942 A CN109144942 A CN 109144942A CN 201810987770 A CN201810987770 A CN 201810987770A CN 109144942 A CN109144942 A CN 109144942A
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- programmadle logic
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F15/00—Digital computers in general; Data processing equipment in general
- G06F15/16—Combinations of two or more digital computers each having at least an arithmetic unit, a program unit and a register, e.g. for a simultaneous processing of several programs
- G06F15/163—Interprocessor communication
- G06F15/17—Interprocessor communication using an input/output type connection, e.g. channel, I/O port
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/24—Resetting means
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Abstract
The present invention relates to the methods of a kind of device of master control borad management business plate and master control borad management business plate, master control borad includes the first master controller and the first Programmadle logic device, business board includes the second master controller and the second Programmadle logic device, the input/output terminal level of slot position ID and the second Programmadle logic device that second master controller is used to be arranged according to backboard obtain the ID of business board, first master controller is used to receive the ID of business board, the information in place of business board is obtained by the first Programmadle logic device, and it sends repositioning information and the second Programmadle logic device is sent to by backboard；Second Programmadle logic device controls the second master controller according to reset signal and is resetted.Therefore, the device design of the master control borad management business plate is simple, control is flexible, reduces the occupancy of backboard resource, and compares with using UART serial ports, and transmission speed is obviously improved.
Description
Technical field
The present invention relates to passive optical network fields, more particularly to the device and master control borad of a kind of master control borad management business plate
The method of management business plate.
Background technique
Passive optical network is to access the direction of net future development.Since to can satisfy present and future each for the bandwidth that it is provided
The needs of kind broadband services, so generally being had an optimistic view of on solving the problems, such as broadband access.The highdensity multibusiness network of large capacity
The application in broadband has increasing need for, and the demand to machine frame communication device is also more and more.Machine frame communication device is generally by leading
Control plate, backboard and various businesses board group at.Under normal conditions, master control borad needs to be managed business board by backboard, to protect
Demonstrate,prove the normal operation of whole system.The mode of master control borad management business plate mainly has 2 kinds in traditional technology:
1) pass through asynchronous transmission device UART (UART (Universal between master control borad and each business board
Asynchronous Rate Transceiver, universal asynchronous receiving-transmitting transmitter) serial ports is connected to management signal path.It is main
When controlling plate reading business board type, the business board being read transmits the business plate type information by the channel UART on backboard
To the UART register of master control borad, the UART register of master control borad is forwarded to the CPU of main control card again, realizes that master control borad is read with this
Business board type.Had the disadvantage that using this way to manage: 1, control flow is complicated, and transmission speed is slow；2, it is each managed
Business board must have UART interface device a cpu chip and necessary peripheral components composition minimum system circuit.
2) CPLD (Complex Programmable Logic Device) of master control borad passes through the Local expanded
Bus bus is connected with the CPU of master control borad, the CPLD of master control borad by its GPIO (General Purpose Input/Output,
Universal input output) expand data/address bus, address bus and reading enable signal.The CPLD of each business board is extended by GPIO
Out with the data/address bus of the CPLD equivalent amount of master control borad, address bus and reading enable signal are connected to master control borad by backboard
CPLD, this way to manage occupy the resource of more lamina dorsalis, and design it is complex, control it is inflexible.
Summary of the invention
Based on this, it is necessary to provide the master control borad management industry that a kind of design is simple, controls flexible reduction backboard resource occupation
The method of the device and master control borad management business plate of business plate.
A kind of device of master control borad management business plate, including master control borad, backboard and business board；
The master control borad includes the first master controller and the first Programmadle logic device, and first master controller one end connects
The first Programmadle logic device is connect, the other end connects the backboard, and the first Programmadle logic device connects the back
Plate；
The business board includes the second master controller and the second Programmadle logic device, and second master controller one end connects
The second Programmadle logic device is connect, the other end connects the backboard, and the second Programmadle logic device connects the back
Plate, the second Programmadle logic device include multiple input/output terminals；
Second master controller is used for the slot position ID and the second Programmadle logic device being arranged according to the backboard
Input/output terminal level obtain the ID of the business board, and the ID of the business board is sent to described by the backboard
One master controller；
First master controller is used to receive the ID of the business board, is obtained by the first Programmadle logic device
The information in place of the business board, and send reset signal and the second Programmadle logic device is sent to by the backboard；
The second Programmadle logic device is for receiving the reset signal, according to reset signal control described the
Two master controllers are resetted.
First master controller is also used to control the business board and is powered in one of the embodiments,.
The business board further includes switch module in one of the embodiments, and the input terminal of the switch module is used for
Backboard power supply is connected, for output end for connecting business board power supply, the controlled end of the switch module connects the master control borad, described
Master control borad is used to control the switch module by output logic control signal, and then controls the backboard power supply and the industry
On-off between business plate power supply, is powered on controlling the business board.
First master controller includes the first central processing unit, second main control in one of the embodiments,
Device includes the second central processing unit.
The first Programmadle logic device is the first erasable Programmadle logic device in one of the embodiments,
The second Programmadle logic device is the second erasable Programmadle logic device.
First master controller is patrolled by the first I2C bus and first editable in one of the embodiments,
The input/output terminal for collecting device is attached, and second master controller is patrolled by the 2nd I2C bus and second editable
The input/output terminal for collecting device is attached.
The quantity of the business board is at least one in one of the embodiments,.
On the other hand, a kind of method that the present invention also proposes master control borad management business plate, the master control borad pass through backboard pipe
The business board is managed, the master control borad includes the first master controller and the first Programmadle logic device, first master controller
One end connects the first Programmadle logic device, and the other end connects the backboard, the first Programmadle logic device connection
The backboard；
The business board includes the second master controller and the second Programmadle logic device, and second master controller one end connects
The second Programmadle logic device is connect, the other end connects the backboard, and the second Programmadle logic device connects the back
Plate；
The described method includes:
Slot position ID that second master controller is arranged according to the backboard and the second Programmadle logic device it is defeated
Enter the ID that output end level obtains the business board；
First master controller receives the ID of the business board, by described in the first Programmadle logic device acquisition
The information in place of business board；
Reset signal is sent to the second Programmadle logic device；
The second Programmadle logic device controls second master controller and is resetted.
The slot position ID and described second that second master controller is arranged according to the backboard in one of the embodiments,
The step of input/output terminal level of Programmadle logic device obtains the ID of the business board, comprising:
Slot position ID that second master controller is arranged according to the backboard and the second Programmadle logic device it is defeated
Enter the slot number that output end level obtains the business board；
The ID of the business board is obtained according to the MAC Address of the slot number and the business board.
The slot position ID and described second that second master controller is arranged according to the backboard in one of the embodiments,
Before the step of input/output terminal level of Programmadle logic device obtains the ID of the business board, further includes:
Business board described in first main controller controls is powered on.
The device of above-mentioned master control borad management business plate, including master control borad, backboard and business board, master control borad include the first master control
Device processed and the first Programmadle logic device, business board include the second master controller and the second Programmadle logic device, the second master control
The input/output terminal level of slot position ID and the second Programmadle logic device that device processed is used to be arranged according to backboard obtain business board
ID.First master controller is used to receive the ID of business board, and the information in place of business board is obtained by the first Programmadle logic device,
And it sends repositioning information and the second Programmadle logic device is sent to by backboard.Second Programmadle logic device is according to reset signal
The second master controller is controlled to be resetted.Therefore, the device of the master control borad management business plate is by the second master controller according to back
(i.e. second can compile the input/output terminal level of the second Programmadle logic device after the slot position ID and business board insertion backboard of plate setting
The I/O port level of volume logical device) ID of business board is obtained, the ID process for obtaining business board is very easy, accurate.First master control
Device processed is used to receive the ID of business board, obtains the information in place of business board and sends reset signal to the second Programmadle logic device
Part.Second Programmadle logic device controls the second master controller according to the reset signal and is answered for receiving reset signal
Position, control is flexible, reduces the occupancy of backboard resource.Therefore, the device design of the master control borad management business plate is simple, control is clever
It lives, reduce the occupancy of backboard resource, and compared with using UART serial ports, transmission speed is obviously improved.
Detailed description of the invention
Fig. 1 is the structural block diagram of the device of master control borad management business plate in an embodiment；
Fig. 2 is the structural schematic diagram for the ID that the second master controller obtains business board in an embodiment；
Fig. 3 is the flow chart of the method for master control borad management business plate in an embodiment；
Fig. 4 is the flow chart of the method for master control borad management business plate in another embodiment.
Specific embodiment
Fig. 1 is the structural block diagram of the device of master control borad management business plate in an embodiment.
In the present embodiment, the device of the master control borad management business plate includes master control borad, backboard and business board, master control borad packet
The first master controller 10 and the first Programmadle logic device 20 are included, 10 one end of the first master controller connects the first Programmadle logic device
Part 20, the other end connect backboard, and the first Programmadle logic device 20 connects backboard.
Business board includes the second master controller 30 and the second Programmadle logic device 40, the connection of 30 one end of the second master controller
Second Programmadle logic device 40, the other end connect backboard, and the second Programmadle logic device 40 connects backboard, and the second editable is patrolled
Collecting device 40 includes multiple input/output terminals (i.e. IO (Input/Output) mouth of the second Programmadle logic device).
Second master controller 30 is used for the slot position ID (IDentity) and the second Programmadle logic device being arranged according to backboard
40 input/output terminal level obtains the ID of business board, and the ID of business board is sent to the first master controller 10 by backboard.
Wherein, the slot position ID of backboard setting is when making backboard it has been determined that slot position ID corresponds to slot number.After business board is inserted into backboard,
Second master controller 30 obtains the input/output terminal level of the second Programmadle logic device 40 of the business board of insertion, defeated according to this
Enter the ID that output end level obtains business board.
First master controller 10 is used to receive the ID of business board, obtains business board by the first Programmadle logic device 20
Information in place, and send reset signal and the second Programmadle logic device 40 is sent to by backboard.
Second Programmadle logic device 40 is for receiving the reset signal that the first master controller 10 sends over, according to reset
Signal controls the second master controller 30 and is resetted.
The device of above-mentioned master control borad management business plate, including master control borad, backboard and business board, master control borad include the first master control
Device 10 processed and the first Programmadle logic device 20, business board include the second master controller 30 and the second Programmadle logic device 40,
The input/output terminal level of slot position ID and the second Programmadle logic device 40 that second master controller 30 is used to be arranged according to backboard
Obtain the ID of business board.First master controller 10 is used to receive the ID of business board, is obtained by the first Programmadle logic device 20
The information in place of business board, and send reset signal and the second Programmadle logic device 40 is sent to by backboard.Second editable
Logical device 40 controls the second master controller 30 according to reset signal and is resetted.Therefore, the dress of the master control borad management business plate
It sets the slot position ID and business board being arranged by the second master controller 30 according to backboard and is inserted into the second Programmadle logic device after backboard
40 input/output terminal level (i.e. the I/O port level of the second Programmadle logic device) obtains the ID of business board, obtains business board
ID process is very easy, accurate.First master controller 10 is used to receive the ID of business board, and the information in place for obtaining business board is concurrent
Send reset signal to the second Programmadle logic device 40, the second Programmadle logic device 40 is for receiving reset signal, according to multiple
Position signal controls the second master controller 30 and is resetted, and control is flexible, reduces the occupancy of backboard resource.Therefore, the master control borad
The device design of management business plate is simple, control flexibly, reduce the occupancy of backboard resource, and and use UART serial ports phase
Than transmission speed is obviously improved.
Incorporated by reference to Fig. 2, in one embodiment, the slot position ID (IDentity) that the second master controller 30 is arranged according to backboard
The process for obtaining the ID of business board with the input/output terminal level of the second Programmadle logic device 40 includes:
The input/output terminal of slot position ID and the second Programmadle logic device 40 that second master controller 30 is arranged according to backboard
Level obtains the slot number of business board, according to MAC (Media Access Control, the medium access of slot number and business board
Control) address obtains the ID of business board.
In one embodiment, backboard setting slot position ID when make backboard it has been determined that make backboard when, each
3 tunnel control ports (slot_id1, slot_id2, slot_id3) are equipped with inside the slot position of backboard, for each slot of backboard
State (every control port all the way can be hanging or be grounded) corresponding slot position ID, slot position ID of position, this 3 tunnel control port is corresponding
Slot number.It is as shown in the table:
| slot_id1 | slot_id2 | slot_id3 | Slot number |
| Ground connection | Ground connection | Ground connection | 0 |
| Vacantly | Ground connection | Ground connection | 1 |
| Ground connection | Vacantly | Ground connection | 2 |
| Vacantly | Vacantly | Ground connection | 3 |
| Ground connection | Ground connection | Vacantly | 4 |
| Vacantly | Ground connection | Vacantly | 5 |
| Ground connection | Vacantly | Vacantly | 6 |
| Vacantly | Vacantly | Vacantly | 7 |
Business board is equipped with the 3 tunnel control ports (slot_id1, slot_id2, slot_id3) corresponding to backboard, and this 3 tunnel
Pull-up resistor is connected to the input/output terminal of the second Programmadle logic device 40 to control port respectively, when business board is inserted into backboard,
3 tunnel control ports (slot_id1, slot_id2, slot_id3) control port corresponding with backboard on business board is connected to, shape
Signal (slot_id1 signal, slot_id2 signal, slot_id3 signal) is controlled at 3 tunnels, this 3 tunnel controls signal control second can
The input/output terminal level of editorial logic device 40 changes.Second master controller 30 reads the second Programmadle logic device 40
Input/output terminal level, and then obtain business board slot number.When business board is inserted into backboard, the second master controller 30 is obtained
Take the MAC Address of business board.The MAC Address for the business board that second master controller 30 will acquire obtains business board plus slot number
ID.The business board ID that second master controller 30 is also used to obtain is reported to the first master controller 10, knows convenient for master controller 10
The ID of not each business board realizes the management between message.
In one embodiment, the first master controller 10 includes the first central processing unit (Central Processing
Unit, CPU).
In one embodiment, the second master controller 30 includes the second central processing unit (Central Processing
Unit, CPU).
In one embodiment, the first master controller 10 passes through the first I2C bus and the first Programmadle logic device 20
Input/output terminal is attached.
In one embodiment, the second master controller 30 passes through the 2nd I2C bus and the second Programmadle logic device 40
Input/output terminal is attached.
In one embodiment, the first Programmadle logic device 20 is the first erasable Programmadle logic device
(Erasable Programmable Logic Device, EPLD).
In one embodiment, the first Programmadle logic device 20 is equipped with slot position information in place and reads register, and at this
Slot position information in place reads the corresponding input/output terminal (i.e. IO (Input/Output) mouth) of register and pulls up a resistance to master control
Signal path one resistance of drop-down that slot position information in place reads register, business board insertion are docked in the VCC of plate, business board side
When the slot position of backboard, the input/output terminal level of the first Programmadle logic device 20 is lower, and the first master controller 10 passes through first
When Programmadle logic device 20 is identified as low level, which identifies that business board is in place.
In one embodiment, the first Programmadle logic device 20, which is equipped with, resets business board register.First master controller
10 send reset signal to the second Programmadle logic device 40 of business board by the first Programmadle logic device 20, and second can compile
Logical device 40 is collected for receiving the reset signal that the first master controller 10 sends over, the second master control is controlled according to reset signal
Device 30 processed is resetted.The second master controller 30 includes business board chip in one of the embodiments,.
In one embodiment, the second Programmadle logic device is the second erasable Programmadle logic device
(Erasable Programmable Logic Device, EPLD).
In one embodiment, the first master controller 10 is also used to control business board and is powered on.
In one embodiment, " 1 " is written to the register of the first Programmadle logic device 20 in the first master controller logical 10
It then controls and connects business board power supply, business board power supply is then closed in write-in " 0 ".Business board power supply is used to power to business board.At it
In middle one embodiment, it is accomplished by using computer language
In one embodiment, business board further includes switch module (not shown), and the input terminal of switch module is for connecting
Backboard power supply is connect, output end connects master control borad for connecting business board power supply, the controlled end of switch module, and master control borad is for passing through
Output logic control signal carrys out control switch module, and then controls the on-off between backboard power supply and business board power supply, with control
Business board is powered on.
In one embodiment, the first master controller 10 of master control borad passes through 20 connection switch of the first Programmadle logic device
The controlled end of module, the first master controller 10 export high level to switch module, switch module conducting, backboard power supply and business board
Power supply conducting, business board power on, conversely, then switch module disconnection, backboard power supply and business board power supply is separated.
In one embodiment, switch module includes photoelectrical coupler and field-effect tube.
In one embodiment, business board further includes filter module, and the input terminal of filter module is used to connect backboard power supply,
The input terminal of the output end connection switch module of filter module, filter module is in the noise for filtering out backboard power supply.
In one embodiment, the quantity of business board is at least one.That is, master control borad management business plate
Device may include a master control borad, a backboard and multiple business boards (such as business board 1, business board 2 ..., business board
N)。
Fig. 3 is the flow chart of the method for master control borad management business plate in an embodiment.
In the present embodiment, for master control borad by backboard management business plate, master control borad includes the first master controller and first can
Editorial logic device, first master controller one end connect the first Programmadle logic device, and the other end connects backboard, the first editable
Logical device connects backboard.
Business board includes the second master controller and the second Programmadle logic device, and second master controller one end connection second can
Editorial logic device, the other end connect backboard, and the second Programmadle logic device connects backboard.
The method of the master control borad management business plate includes:
S100, the input/output terminal of slot position ID and the second Programmadle logic device that the second master controller is arranged according to backboard
The ID of level acquisition business board.
The slot position ID (IDentity) of backboard setting is when making backboard it has been determined that slot position ID corresponds to slot number.Business
After plate is inserted into backboard, the second master controller obtains the input/output terminal of the second Programmadle logic device of the business board of insertion (i.e.
IO (Input/Output) mouth of second Programmadle logic device) level, business board is obtained according to the input/output terminal level
ID。
S200, the first master controller receive business board ID, by the first Programmadle logic device obtain business board
Position information.
The ID of business board obtained in first master controller receiving step S100 is obtained by the first Programmadle logic device
The information in place of business board.
S300 sends reset signal to the second Programmadle logic device.
Reset signal is sent to the second Programmadle logic device, with the reset of finishing service plate.In one embodiment, first
Master controller sends reset signal to the second Programmadle logic device by the first Programmadle logic device.
S400, the second Programmadle logic device control the second master controller and are resetted.
Reset signal in second Programmadle logic device receiving step S300 controls the second master control according to the reset signal
Device processed is resetted, that is, control business board is resetted, and can be carried out the normal processing of business after resetting.
The method of above-mentioned master control borad management business plate, master control borad include the first master controller and the first Programmadle logic device
Part, business board include the second master controller and the second Programmadle logic device, the slot position that the second master controller is arranged according to backboard
The input/output terminal level of ID and the second Programmadle logic device obtains the ID of business board, and the first master controller receives business board
ID, the information in place of business board is obtained by the first Programmadle logic device, and transmission repositioning information sends the second editable to and patrols
Collect device.Second Programmadle logic device 40 controls the second master controller according to reset signal and is resetted.Therefore, the master control borad
It second can after slot position ID and business board the insertion backboard that the method for management business plate be arranged by the second master controller according to backboard
The input/output terminal level (i.e. the I/O port level of the second Programmadle logic device) of editorial logic device obtains the ID of business board, obtains
Take the ID process of business board very easy, accurate.First master controller receives the ID of business board, obtains the letter in place of business board
Breath sends reset signal to the second Programmadle logic device, and the second Programmadle logic device controls the second master controller and answered
Position, control is flexible, reduces the occupancy of backboard resource.Therefore, the method design of the master control borad management business plate is simple, control is clever
It lives, reduce the occupancy of backboard resource, and compared with using UART serial ports, transmission speed is obviously improved.
Fig. 4 is the flow chart of the method for master control borad management business plate in another embodiment.
In the present embodiment, for master control borad by backboard management business plate, master control borad includes the first master controller and first can
Editorial logic device, first master controller one end connect the first Programmadle logic device, and the other end connects backboard, the first editable
Logical device connects backboard.
Business board includes the second master controller and the second Programmadle logic device, and second master controller one end connection second can
Editorial logic device, the other end connect backboard, and the second Programmadle logic device connects backboard.
The method of the master control borad management business plate includes:
S101, the first main controller controls business board are powered on.
First main controller controls business board is powered on, and business board is started.In one embodiment, the first main control
The register write-in " 1 " that device leads to the first Programmadle logic device, which then controls, connects business board power supply, and business is then closed in write-in " 0 "
Plate power supply.Business board power supply is used to power to business board.It is accomplished by one of the embodiments, using computer language
S102, the input/output terminal of slot position ID and the second Programmadle logic device that the second master controller is arranged according to backboard
The slot number of level acquisition business board.
The slot position ID of backboard setting is when making backboard it has been determined that the slot position ID that the second master controller is arranged according to backboard
The slot number of business board is obtained with the input/output terminal level of the second Programmadle logic device.
In one embodiment, incorporated by reference to Fig. 2, the slot position ID of backboard setting is when making backboard it has been determined that production back
When plate, 3 tunnel control ports (slot_id1, slot_id2, slot_id3) are equipped with inside the slot position of each backboard, for backboard
Each slot position, corresponding slot position ID of state (per control port all the way can hanging or ground connection) of this 3 tunnel control port,
Slot position ID corresponds to slot number.It is as shown in the table:
| slot_id1 | slot_id2 | slot_id3 | Slot number |
| Ground connection | Ground connection | Ground connection | 0 |
| Vacantly | Ground connection | Ground connection | 1 |
| Ground connection | Vacantly | Ground connection | 2 |
| Vacantly | Vacantly | Ground connection | 3 |
| Ground connection | Ground connection | Vacantly | 4 |
| Vacantly | Ground connection | Vacantly | 5 |
| Ground connection | Vacantly | Vacantly | 6 |
| Vacantly | Vacantly | Vacantly | 7 |
Business board is equipped with the 3 tunnel control ports (slot_id1, slot_id2, slot_id3) corresponding to backboard, and this 3 tunnel
Pull-up resistor is connected to the input/output terminal of the second Programmadle logic device to control port respectively, when business board is inserted into backboard, industry
3 tunnel control ports (slot_id1, slot_id2, slot_id3) control port corresponding with backboard on business plate is connected to, and forms 3
Road controls signal (slot_id1 signal, slot_id2 signal, slot_id3 signal), this 3 tunnel control signal control second can compile
The input/output terminal level for collecting logical device changes.The input that second master controller reads the second Programmadle logic device is defeated
The level of outlet, and then obtain the slot number of business board.
S103 obtains the ID of business board according to the MAC Address of slot number and business board.
When business board is inserted into backboard, the second master controller obtains the MAC Address of business board.Second master controller will acquire
The MAC Address of business board obtain the ID of business board plus slot number.
S104, the first master controller receive business board ID, by the first Programmadle logic device obtain business board
Position information.
S105 sends reset signal to the second Programmadle logic device.
S106, the second Programmadle logic device control the second master controller and are resetted.
Reset signal in second Programmadle logic device receiving step S105 controls the second master control according to the reset signal
Device processed is resetted, that is, control business board is resetted, and can be carried out the normal processing of business after resetting.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of device of master control borad management business plate, including master control borad, backboard and business board, which is characterized in that
The master control borad includes the first master controller and the first Programmadle logic device, and first master controller one end connects institute
The first Programmadle logic device is stated, the other end connects the backboard, and the first Programmadle logic device connects the backboard；
The business board includes the second master controller and the second Programmadle logic device, and second master controller one end connects institute
The second Programmadle logic device is stated, the other end connects the backboard, and the second Programmadle logic device connects the backboard, institute
Stating the second Programmadle logic device includes multiple input/output terminals；
Slot position ID and the second Programmadle logic device of second master controller for being arranged according to the backboard is defeated
Enter the ID that output end level obtains the business board, and the ID of the business board is sent to first master by the backboard
Controller；
First master controller is used to receive the ID of the business board, by described in the first Programmadle logic device acquisition
The information in place of business board, and send reset signal and the second Programmadle logic device is sent to by the backboard；
The second Programmadle logic device is main according to reset signal control described second for receiving the reset signal
Controller is resetted.
2. the device of master control borad management business plate according to claim 1, which is characterized in that first master controller is also
It is powered on for controlling the business board.
3. the device of master control borad management business plate according to claim 2, which is characterized in that the business board further includes out
Module is closed, the input terminal of the switch module is for connecting backboard power supply, and output end is for connecting business board power supply, the switch
The controlled end of module connects the master control borad, and the master control borad is used to control the switching molding by output logic control signal
Block, and then the on-off between the backboard power supply and the business board power supply is controlled, it is powered on controlling the business board.
4. the device of master control borad management business plate according to claim 1, which is characterized in that the first master controller packet
The first central processing unit is included, second master controller includes the second central processing unit.
5. the device of master control borad management business plate according to claim 1, which is characterized in that first Programmadle logic
Device is the first erasable Programmadle logic device, and the second Programmadle logic device is the second erasable Programmadle logic device
Part.
6. the device of master control borad management business plate according to claim 1, which is characterized in that first master controller is logical
It crosses the first I2C bus and the input/output terminal of the first Programmadle logic device is attached, second master controller is logical
It crosses the 2nd I2C bus and the input/output terminal of the second Programmadle logic device is attached.
7. the device of master control borad management business plate according to claim 1, which is characterized in that the quantity of the business board is
At least one.
8. a kind of method of master control borad management business plate, the master control borad manage the business board by backboard, which is characterized in that
The master control borad includes the first master controller and the first Programmadle logic device, and first master controller one end connects institute
The first Programmadle logic device is stated, the other end connects the backboard, and the first Programmadle logic device connects the backboard；
The business board includes the second master controller and the second Programmadle logic device, and second master controller one end connects institute
The second Programmadle logic device is stated, the other end connects the backboard, and the second Programmadle logic device connects the backboard；
The described method includes:
Second master controller is defeated according to the input of slot position ID and the second Programmadle logic device that the backboard is arranged
Outlet level obtains the ID of the business board；
First master controller receives the ID of the business board, obtains the business by the first Programmadle logic device
The information in place of plate；
Reset signal is sent to the second Programmadle logic device；
The second Programmadle logic device controls second master controller and is resetted.
9. the method for master control borad management business plate according to claim 8, which is characterized in that the second master controller root
The business board is obtained according to the slot position ID of backboard setting and the input/output terminal level of the second Programmadle logic device
ID the step of, comprising:
Second master controller is defeated according to the input of slot position ID and the second Programmadle logic device that the backboard is arranged
Outlet level obtains the slot number of the business board；
The ID of the business board is obtained according to the MAC Address of the slot number and the business board.
10. the method for master control borad management business plate according to claim 8, which is characterized in that second master controller
The business is obtained according to the input/output terminal level of the slot position ID of backboard setting and the second Programmadle logic device
Before the step of ID of plate, further includes:
Business board described in first main controller controls is powered on.
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