CN102012880B - Method and device for starting multi-single board system - Google Patents
Method and device for starting multi-single board system Download PDFInfo
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Abstract
The invention discloses a method and a device for starting a multi-single board system. The method comprises the following steps of: allocating a time period for indicating a shared bus occupied by the single board during starting and the state of a required shared bus to the currently in-place single board according to the current in-place condition of the single board and a predetermined single board starting strategy; and indicating the currently in-place single board to sequentially start according to the allocated time period and the current state of the shared bus. By reducing the inter-board connecting wires and hardware complexity, the resource utilization rate and the performance of the system are improved.
Description
Technical field
The present invention relates to the communications field, particularly relate to a kind of starting method and device of multiple veneer system.
Background technology
At present, for the system of many veneers, the significant level of some signal in single-board starting process, usually to be obtained.Suppose that the signal between veneer directly connects, then the I/O signal between veneer is more.Such as, system has 10 veneers, needs the state of 10 I/O signal in each single-board starting process, then always have 100.But this method for designing hard wires is many, and reliability is lower, and cost is higher.
Summary of the invention
Fundamental purpose of the present invention is the startup scheme providing a kind of multiple veneer system, and during at least to solve single board starting in above-mentioned correlation technique, between plate, signal wiring line too much causes the problem that reliability is low and cost is high.
To achieve these goals, according to an aspect of the present invention, a kind of starting method of multiple veneer system is provided.
According to the starting method of multiple veneer system of the present invention, comprise the following steps: the in place situation current according to veneer and predetermined single board starting strategy, be used to indicate the shared time period of shared bus and the state of required shared bus when it starts for current veneer in place distributes; Current veneer in place is indicated to start successively according to for its time period of distributing and the current state of shared bus.
Further, before current veneer in place distributes the time period and required shared bus state being used to indicate shared bus shared when it starts, the method also comprises: by detecting whether have Board Power up or insertion, obtaining and recording the current situation in place of veneer.
Further, when Board Power up or insertion having been detected, to obtain and after recording the current situation in place of veneer, the method also comprises: be the right to use of the veneer application shared bus powering on or insert detected.
Further, current veneer in place is indicated to comprise according to carrying out startup successively for its time period of distributing and the current state of shared bus: the reset signal removing current veneer in place according to the time period of distributing for current veneer in place successively, to indicate the startup of current veneer in place.
Further, predetermined single board starting strategy is the startup priority orders of current veneer in place or all veneers.
In order to realize above-mentioned object, according to a further aspect in the invention, a kind of starter gear of multiple veneer system is additionally provided.
According to the starter gear of multiple veneer system of the present invention, comprise: shared bus distribution module, for according to the current situation in place of veneer and predetermined single board starting strategy, for current veneer in place distributes the time period and required shared bus state being used to indicate shared bus shared when it starts; And execution module, be used to indicate current veneer in place and start successively according to for its time period of distributing and the current state of shared bus.
Further, this device also comprises: detection module, for detecting whether have Board Power up or insertion; Logging modle, for the situation in place that the testing result record veneer according to detection module is current.
Further, this device also comprises: application module, for Board Power up or insertion having been detected at detection module, is the right to use of the veneer application shared bus powering on or insert detected.
Further, execution module also for removing the reset signal of current veneer in place successively according to the time period of distributing for current veneer in place, to indicate the startup of current veneer in place.
Further, predetermined single board starting strategy is the startup priority orders of current veneer in place or all veneers.
Pass through the present invention, the mode of time-sharing multiplex shared bus during employing single board starting, when solving single board starting in correlation technique, between plate, signal wiring line too much causes the problem that reliability is low and cost is high, decreases line and hardware complexity between plate, improves resource utilization and the performance of system.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the process flow diagram of the starting method of multiple veneer system according to the embodiment of the present invention;
Fig. 2 is the structured flowchart of the starter gear of multiple veneer system according to the embodiment of the present invention;
Fig. 3 is the structured flowchart of the starter gear of multiple veneer system according to the preferred embodiment of the invention;
Fig. 4 is the hardware schematic diagram of the starter gear of multiple veneer system according to the preferred embodiment of the present invention three;
Fig. 5 is the schematic diagram of the bus assignment unit according to the preferred embodiment of the present invention three;
Fig. 6 is according to the workflow diagram in the Cold Start of the preferred embodiment of the present invention four; And
Fig. 7 is the workflow diagram of the insertion veneer according to the preferred embodiment of the present invention five.
Embodiment
Hereinafter also describe the present invention in detail with reference to accompanying drawing in conjunction with the embodiments.It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.
According to the embodiment of the present invention, provide a kind of starting method of multiple veneer system.Fig. 1 is the process flow diagram of the starting method of multiple veneer system according to the embodiment of the present invention, and the method comprises the following steps:
Step S102, the in place situation current according to veneer and predetermined single board starting strategy, for current veneer in place distributes the time period and required shared bus state being used to indicate shared bus shared when it starts; And
Step S104, indicates current veneer in place to start successively according to for its time period of distributing and the current state of shared bus.
Pass through the present invention, the mode of time-sharing multiplex shared bus during employing single board starting, when solving single board starting in correlation technique, between plate, signal wiring line too much causes the problem that reliability is low and cost is high, line between plate when decreasing single board starting, improves resource utilization and the performance of system.
In specific implementation process, step S102 distributes for current veneer in place time period of being used to indicate shared bus shared when it starts and after the state of shared bus needed for starting, current veneer in place at this moment between state according to shared bus in section start, and when a certain veneer starts, other veneers are controlled in reset mode.It should be noted that, the state of shared bus required during current single board starting in place, be the state of bus signals veneer being had to control action, generally include the information such as slot number, level, and the state needed for each single board starting can be different.
Such as, the current situation in place of veneer can be reflected by the signal in place of veneer, and the signal in place of veneer also can as the foundation of distributing shared bus simultaneously, and wherein, whether signal in place is used to indicate veneer and powers on, that is, in place effective of its hardware.
Preferably, before step S102, by detecting whether have Board Power up or insertion, can obtain and recording the current situation in place of veneer.The method can the situation of the current veneer in place of real-time update, makes system can carry out the distribution of shared bus time period according to data after upgrading, thus enhances validity and the accuracy of system.
In specific implementation process, situation in place current for veneer can be kept at one in bit table or in a sequence in place, system, according to the startup control table upgraded at bit table or sequence according to predetermined single board starting strategy generating, then starts each veneer in place according to startup control table successively.
Preferably, when Board Power up or insertion having been detected, to obtain and after recording the current situation in place of veneer, can for the right to use of the veneer application shared bus powering on or insert detected.The method can improve the validity of system.
Such as, when the veneer application powered on or insert is to the right to use of shared bus, system just can distribute time period of shared bus shared when it starts for this veneer.
Preferably, in step S104, the reset signal of current veneer in place can be removed successively according to the time period of distributing for current veneer in place, to indicate the startup of current veneer in place.The method can carry out the startup of showing veneer by the reset signal removing veneer, thus improves operability and the practicality of system.
Such as, can export shared bus signal and reset signal, veneer is started successively according to predetermined single board starting strategy, wherein, reset signal is used for veneer to control at reset mode.
It should be noted that, the bus signals needed during the single board starting that shared bus signal refers to, normally giving each veneer one group of signal, is put together by this signal of all veneers in the embodiment of the present invention, composition shared bus signal; And reset signal shows a kind of reseting controling signal of veneer, when this signal is effective, veneer is in reset mode, does not start, and it is invalid that bus now shares signal for this veneer.When veneer is not in reset mode, veneer will carry out starting or start complete, if will start, just shared bus signal will be placed in the state that this veneer needs; Otherwise do not need process.
Preferably, predetermined single board starting strategy is the startup priority orders of current veneer in place or all veneers.The method realizes simple, workable.
It should be noted that, the embodiment of the present invention does not limit to concrete implementation method, comprises programmable logic device (PLD), hardware circuit or program composition, and the difference of the method realizes carrier and also belongs to protection scope of the present invention.
According to the embodiment of the present invention, additionally provide a kind of starter gear of multiple veneer system.Fig. 2 is the structured flowchart of the starter gear of multiple veneer system according to the embodiment of the present invention, as shown in Figure 2, this device 20 comprises: shared bus distribution module 22, for according to the current situation in place of veneer and predetermined single board starting strategy, for current veneer in place distributes the time period and required shared bus state being used to indicate shared bus shared when it starts; And execution module 24, be coupled to shared bus distribution module 22, be used to indicate current veneer in place and start successively according to for its time period of distributing and the current state of shared bus.
Pass through said apparatus, the mode of time-sharing multiplex shared bus during employing single board starting, when solving single board starting in correlation technique, between plate, signal wiring line too much causes the problem that reliability is low and cost is high, line between plate when decreasing single board starting, improves resource utilization and the performance of system.
Fig. 3 is the structured flowchart of the starter gear of multiple veneer system according to the preferred embodiment of the invention, and as shown in Figure 3, this device 20 also comprises: detection module 32, for detecting whether have Board Power up or insertion; Logging modle 34, is coupled to detection module 32 and shared bus distribution module 22, for the situation in place that the testing result record veneer according to detection module 32 is current.
Preferably, this device 20 also comprises: application module 36, is coupled to detection module 32, for when detection module 32 has detected Board Power up or insertion, is the right to use of the veneer application shared bus powering on or insert detected.
Preferably, execution module 24 also for removing the reset signal of current veneer in place successively according to the time period of distributing for current veneer in place, to indicate the startup of current veneer in place.
Preferably, predetermined single board starting strategy is the startup priority orders of current veneer in place or all veneers.
Be described in detail below in conjunction with the implementation procedure of preferred embodiments and drawings to above-described embodiment.
Preferred embodiment one
This preferred embodiment provides a kind of device utilizing bus technology of sharing to realize single board starting, and this device comprises: veneer and bus assignment unit, and wherein, bus assignment unit is all connected with each veneer.
The control module that bus assignment unit discharges as bus and distributes, for the controller of single board starting, the process etc. of the exchange-column shift and boot sequence that realize shared bus comprises signal in place, reset signal and shared bus.It should be noted that, veneer when powering on or insertion time, need by place effective of its hardware of signal designation in place, this change is as the foundation of distribution shared bus.The reset signal of veneer needs to realize controlling the reset of veneer, that is, when reset signal is effective, veneer must be in reset mode, can not enter starting state.
In specific implementation process, bus assignment unit can comprise: scan module in place, tactful distribution module and bus output module.Wherein, scan module in place, for the situation in place of training in rotation current single board, and is recorded in bit table, records the situation of change in place of current single board; Strategy distribution module, for the change according to signal in place, at bit table and certain strategy, produces the rule that a bus exports; Bus output module, for according to this regular output bus signal and reset signal, makes veneer start according to certain boot sequence.
Preferred embodiment two
Present embodiments provide a kind of starting method of veneer, be applied to startup or the insertion process of multiple veneer system, wherein, the hardware elements comprised has veneer and bus assignment unit.The method is the time-sharing multiplex of bus when utilizing bus assignment unit to realize single board starting, thus the signal effectively reduced between veneer is interconnected, reduces the hardware complexity of system.
In specific implementation process, the method can comprise the steps:
Step 1, (on-line) in place signal of veneer is all connected with bus assignment unit with reset (reset) signal, wherein, whether the signal in place of veneer can power on by showing veneer, and veneer can control at reset mode by reset signal.
Step 2, after powering on, all veneers control as reset mode by bus assignment unit.
Step 3, when after Board Power up or insertion, its signal in place becomes effective status, to the right to use of bus assignment unit application bus.
Step 4, bus assignment unit distributes according to bus strategy, exports the bus state of veneer needs successively, and removes the reset of veneer, make veneer carry out successively starting (startup) according to certain priority.It should be noted that, priority described here can be the priority of priority or the dynamic conditioning set in advance.
Visible, this preferred embodiment utilizes and controls the startup of veneer to the reset signal of veneer, is controlled by the bus time-sharing that each veneer is shared, distribute to veneer necessity of needs hardware signal relief its start.Like this, each veneer can obtain required bus state in a period of time, and concrete interval time needs according to determining the start-up time of each veneer.Wherein, shared bus (that is, Share BUS) can be the bus be simultaneously connected with bus assignment unit with each veneer, this shared bus by bus assignment unit controls, and use by all veneers.
Preferred embodiment three
Fig. 4 is the hardware schematic diagram of the starter gear of multiple veneer system according to the preferred embodiment of the present invention three, and wherein, IN1 and INx represents the signal in place of veneer 1 and veneer X, RST1 and RSTx represents the reset signal to veneer 1 and veneer x.As shown in Figure 4, require that the signal in place of all veneers is all connected with all veneers and bus assignment unit with reset signal, and shared bus is connected to all veneers and bus assignment unit, by bus assignment unit drives.
Fig. 5 is the schematic diagram of the bus assignment unit according to the preferred embodiment of the present invention three, and as shown in Figure 5, bus assignment unit comprises three parts, is scan module in place, tactful distribution module and bus output module respectively, is described in detail below to each module.
Scan module in place, for the situation in place (as IN1, IN2......INm in Fig. 5) of training in rotation current single board, judge whether that the situation that veneer inserts occurs, if there is insertion, then process by changing mark (Changed_Flag) notification strategy distribution module, and will carry out upgrading (in as Fig. 5 STA1, STA2......STAm) at bit table.
Strategy distribution module, for according to current in bit table, current strategy setting and current change in place, the analysis result of tactful distribution module is provided after certain tactful computing, bus output module is notified with output identification (Out_Flag), and control table is carried out upgrade (as CTL1, CTL2......CTLm in Fig. 5).
Bus output module, for judging whether the renewal will carrying out bus output according to Out_Flag, if needed, then carry out output according to control table to control, send the reset signal (as RST1, RST2......RSTm in Fig. 5) to veneer, and control the output of shared bus.
By this mechanism, when veneer carries out powering on or inserting, its change in place will cause the change resetted to it, and veneer starts according to certain strategy the most at last.
Preferred embodiment four
Fig. 6 is according to the workflow diagram in the Cold Start of the preferred embodiment of the present invention four, Cold Start be all devices from power-off to the process powered on, as shown in Figure 6, this flow process comprises the following steps:
Step S602, after powering on, the state of all veneers is all reset mode, and starts to start.The all veneers of this process entails all insert, and equipment enters from electroless state.
Step S604, by the time after bus assignment cell operation, again controls all veneers, makes it enter reset mode.
Step S606, the situation in place of scan module scanning veneer in place, passes to tactful distribution module by the situation of signal transmission in place.Here supposing, is 1 according to the priority (that is, predetermined single board starting strategy) of single board starting, 2 to x.It should be noted that, the priority of single board starting of allocation strategy module here for presetting or dynamically set, this priority can be artificial setting, and its basis of design can be according to concrete system design goal.The order whether veneer starts or start is determined by this allocation strategy module.Visible, strategy here starts from 1 to X with this.
Step S608, veneer 1, according to the time period of shared bus shared during the single board starting distributed in tactful distribution module and required shared bus state, first starts by bus output module.In specific implementation process, its process can be for: get out the shared bus signal needed for veneer 1, removes the reset of veneer 1, allow it start, and then the startup of wait veneer 1 completes.
Step S610, carries out the start-up course of veneer 2, is finally the startup of veneer x.According to this flow process, all veneers all can start within the different time periods, and finally all veneers all can normally work.
Preferred embodiment five
Fig. 7 is the workflow diagram of the insertion veneer according to the preferred embodiment of the present invention five, and as shown in Figure 7, this flow process comprises the following steps:
Step S702, when veneer x is inserted into, the signal in place that scan module in place can scan veneer x is effective.
Step S704, notification strategy distribution module control bus output module is its distribution bus, removes it and resets, allow it start.
It should be noted that, by single-board starting process integrally process process, also can add dynamic right of priority in real time here.If single-board starting process is overall process, is then once perform, the process being finished and could interrupting must be waited for.And dynamic priority refers to the veneer of high priority once insert, then obtain startup immediately, and no matter other veneers at present whether in start-up course.
In sum, the embodiment of the present invention proposes a kind of bus technology of sharing, utilize the time-sharing multiplex of bus, when solving single board starting in correlation technique, between plate, signal wiring line too much causes the problem that reliability is low and cost is high, thus the signal wire combing effectively reduced between plate in line, hardware complexity and start-up course, improve resource utilization and the performance of system.
Obviously, those skilled in the art should be understood that, above-mentioned of the present invention each module or each step can realize with general calculation element, they can concentrate on single calculation element, or be distributed on network that multiple calculation element forms, alternatively, they can realize with the executable program code of calculation element, thus, they can be stored and be performed by calculation element in the storage device, and in some cases, step shown or described by can performing with the order be different from herein, or they are made into each integrated circuit modules respectively, or the multiple module in them or step are made into single integrated circuit module to realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. a starting method for multiple veneer system, is characterized in that, comprises the following steps:
The in place situation current according to veneer and predetermined single board starting strategy, the shared time period of shared bus and the state of required shared bus when it starts is used to indicate for current veneer in place distributes, wherein, described predetermined single board starting strategy is the startup priority orders of described current veneer in place or all veneers;
Described current veneer in place is indicated to start successively according to for its time period of distributing and the current state of described shared bus.
2. method according to claim 1, is characterized in that, before described current veneer in place distributes the time period and required shared bus state being used to indicate described shared bus shared when it starts, also comprises:
By detecting whether have Board Power up or insertion, obtaining and recording the current situation in place of described veneer.
3. method according to claim 2, is characterized in that, when Board Power up or insertion having been detected, having obtained and after recording the current situation in place of described veneer, also comprising:
For the right to use of shared bus described in the veneer application powering on or insert that detects.
4. method according to claim 1, is characterized in that, indicates described current veneer in place to comprise according to carrying out startup successively for its time period of distributing and the current state of described shared bus:
The reset signal of described current veneer in place is removed successively, to indicate the startup of described current veneer in place according to the time period of distributing for described current veneer in place.
5. a starter gear for multiple veneer system, is characterized in that, comprising:
Shared bus distribution module, for according to the current situation in place of veneer and predetermined single board starting strategy, for current veneer in place distributes the time period and required shared bus state being used to indicate shared bus shared when it starts, wherein, described predetermined single board starting strategy is the startup priority orders of described current veneer in place or all veneers; And
Execution module, is used to indicate described current veneer in place and starts successively according to for its time period of distributing and the current state of described shared bus.
6. device according to claim 5, is characterized in that, also comprises:
Detection module, for detecting whether have Board Power up or insertion;
Logging modle, for the situation in place that veneer according to the testing result record of described detection module is current.
7. device according to claim 6, is characterized in that, also comprises:
Application module, for when described detection module has detected Board Power up or insertion, is the right to use of shared bus described in the veneer application powering on or insert that detects.
8. device according to claim 5, it is characterized in that, described execution module also for removing the reset signal of described current veneer in place successively according to the time period of distributing for described current veneer in place, to indicate the startup of described current veneer in place.
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| CN201010561139.5A CN102012880B (en) | 2010-11-26 | 2010-11-26 | Method and device for starting multi-single board system |
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| CN201010561139.5A CN102012880B (en) | 2010-11-26 | 2010-11-26 | Method and device for starting multi-single board system |
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| CN102012880B true CN102012880B (en) | 2015-01-28 |
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| US5596578A (en) * | 1993-10-04 | 1997-01-21 | Fostex Corporation Of America | Time division multiplexing data transfer system for digital audio data distribution |
| CN1379330A (en) * | 2001-04-06 | 2002-11-13 | 华为技术有限公司 | Method for testing single board presence |
| CN101097563A (en) * | 2006-06-27 | 2008-01-02 | 中兴通讯股份有限公司 | System and method for realizing board centralized management and controlling |
| CN101631028A (en) * | 2009-08-06 | 2010-01-20 | 中兴通讯股份有限公司南京分公司 | Time-sharing starting method and time-sharing starting device of communication system |
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2010
- 2010-11-26 CN CN201010561139.5A patent/CN102012880B/en active Active
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| US5596578A (en) * | 1993-10-04 | 1997-01-21 | Fostex Corporation Of America | Time division multiplexing data transfer system for digital audio data distribution |
| CN1379330A (en) * | 2001-04-06 | 2002-11-13 | 华为技术有限公司 | Method for testing single board presence |
| CN101097563A (en) * | 2006-06-27 | 2008-01-02 | 中兴通讯股份有限公司 | System and method for realizing board centralized management and controlling |
| CN101631028A (en) * | 2009-08-06 | 2010-01-20 | 中兴通讯股份有限公司南京分公司 | Time-sharing starting method and time-sharing starting device of communication system |
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