CN101795157A - Device capable of rapid returning when monitoring connection state of unit changes and method thereof - Google Patents
Device capable of rapid returning when monitoring connection state of unit changes and method thereof Download PDFInfo
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- CN101795157A CN101795157A CN200910005145A CN200910005145A CN101795157A CN 101795157 A CN101795157 A CN 101795157A CN 200910005145 A CN200910005145 A CN 200910005145A CN 200910005145 A CN200910005145 A CN 200910005145A CN 101795157 A CN101795157 A CN 101795157A
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Abstract
The invention provides a device capable of rapid returning when monitoring that the connection state of a unit changes and a method thereof. The device comprises a central processor, a switch module and at least one optical fiber connector, wherein the central processor is provided with a plurality of reserved pins; the central processor is connected with the switch module which is connected with at least one optical fiber connector; and the optical fiber connector is provided with a signal detection pin connected with the switch module; the central processor is connected with signal the detection pin of the optical fiber connector by a reserved pin; and a system software controls the central processor to read out the bit value of the signal detection pin signal address, namely, the system software is used for analyzing and judging whether the signal bit value received by the reserved pin changes or not, and carries out emergent measures rapidly when the connection state changes. The switch module is not passed through in the signal transmission process, thus saving time of serial bus communication and signal synchronous processing, thereby returning speed when the connection state changes.
Description
Technical field
The present invention relates to the device and method that a kind of monitor can be repaid fast when connection status changes, relate in particular to a kind of central processing unit and reserve the input pin position that the pin position is connected in the optical fiber connector with one, can be when making the signal transmission without Switching Module, the device and method that the monitor of the repayment speed when changing to accelerate default equipment connection status can be repaid when connection status changes fast.
Background technology
Along with the quick evolution of mechanics of communication, its communication network of deriving is also fast-developing thereupon, and can divide into Local Area Network and Wide Area Network according to its scale, and wherein, Local Area Network is the regional network of being finished by many identical network frameworks; The catenet that Wide Area Network then is made up of many Local Area Networks, and the scope of its service and line can spread all over the whole nation even the whole world.
No matter be Local Area Network or Wide Area Network, wherein modal basic framework, be Ethernet (Ethernet), in Ethernet, then include and utilize optical fiber or twisted wire hub (Hub), interchanger (Switch) or router network trunk devices such as (Router) for transmission line, and the combination by network trunk device and transmission line, Local Area Network, computer and other devices, the equipment (as surveillance, safety system etc.) of different network domains be can make, the transmission or the control of data, instruction carried out.
In all kinds of network trunk devices, in order to meet the defined standard of OSI (Open System Interconnection), therefore all be provided with entity circuit (Physical, be called for short PHY) and medium access control circuit (Media Access Control, be called for short MAC), wherein, specifications such as the Port in the entity circuit layer general reference network trunk device, transmission line.
Because optical-fibre communications has low decay, frequency range greatly, is not subjected to many advantages such as Electromagnetic Interference, in technical grade second too in the application of basic network equipment, just optical fiber commonly used connects backbone network, or collocation redundant loop technique (Redundant) uses, can accelerate connection status repayment speed by the characteristic of optical fiber, but when general device detects connection status, pass through serial bus interface (as internal integrated circuit I with central processing unit
2C, serial peripheral interface SPI, pci interface) to the connection status of medium access layer wafer inquiry unit, the query mode of its connection status has two kinds, manage the universal serial bus interface (as MDC by the medium access layer wafer by sequence, MDIO) regularly inquire to the physical layer wafer, central processing unit is again by obtaining in the medium access layer wafer, or get by medium access layer wafer direct access inquiry physical layer wafer by central processing unit, but above-mentioned two kinds of methods all need be linked up through the universal serial bus interface of multilayer, and after coherent signal carried out Synchronous Processing, just can obtain the up-to-date connection status of equipment, because the repayment speed of equipment connection status is slow, and data connect intercourse at the equipment of long period and run off, and just can't meet the demand that the desired data flow of Industry Control now will be replied in the short time at the utmost point.
Above-mentioned existing equipment connection status inspection method, because of having problems and shortcoming, this is the inventor and the target place of being engaged in this journey improvement that the dealer desires most ardently.
Summary of the invention
The inventor is because above-mentioned shortcoming, collect related data, via assessing in many ways and consider, and to engage in the many years of experience of the industry accumulation, via constantly studying and revise, the beginning is designed the patent of invention of the device and method that a kind of monitor of this kind can repay fast when connection status changes.
The device and method that provides a kind of monitor can repay fast when connection status changes is provided main purpose of the present invention, described central processing unit (CPU) is to reserve the input pin position (SD pin) that the pin position connects the optical fiber connector, make the system software controls central processing unit read the bit value of input pin position signal address, judge the variation of the value of signal transmission address again by system software analysis, whether the connection status that just can learn the default equipment and the optical fiber connector changes, because of central processing unit for directly reading the value of optical fiber connector input pin position without Switching Module (switch module), just need in Switching Module, to carry out the time that universal serial bus is linked up and signal Synchronization is handled in the time of can saving the signal transmission, and then the repayment speed when can the quickening state changing, owing to can handle fast when default equipment connection status changes, then data time that can't receive shortens, the running that more can reduce the number of dropouts of data and keep technical grade Ethernet system to continue.
The device and method that provides a kind of monitor can repay fast when connection status changes is provided secondary objective of the present invention, described central processing unit (CPU) is to reserve the input pin position (SD pin) that the pin position connects the optical fiber connector, make central processing unit without Switching Module and directly by reading signal in the input pin position of the optical fiber connector, its Switching Module is for having medium access control circuit (MAC) and entity circuit (PHY), when if medium access control circuit or entity circuit produce fault or mistake, because of signal can not pass through Switching Module, just can not have influence on system software analysis and judge the variation of the value of signal transmission address, and then can promote the accuracy that supervises when presetting the equipment connection status.
In order to achieve the above object, the invention provides the device that a kind of monitor can be repaid fast when connection status changes, comprise central processing unit, Switching Module and the more than one optical fiber connector, described central processing unit is provided with a plurality of reservation pin position, described central processing unit is connected in described Switching Module, described Switching Module is connected in the more than one optical fiber connector, and the described optical fiber connector are provided with the input pin position that connects described Switching Module; Described central processing unit is reserved the input pin position that the pin position is connected in the described optical fiber connector with one, described central processing unit is connected with memory, in described memory, be provided with for described central processing unit and read, execution is reserved the systems soft ware whether pin position received signal address value changes with analysis and judgement, the described central processing unit of described system software controls reads the bit value of described input pin position signal address, learn the connection status of the described optical fiber connector and default equipment by the direct analysis and judgement of described systems soft ware, when connection status changes, learn and carry out emergency measure.
The method that the present invention also provides a kind of monitor can repay fast when connection status changes, comprise central processing unit, the Switching Module and the more than one optical fiber connector, described central processing unit is provided with a plurality of reservation pin position, described central processing unit is connected in described Switching Module, described Switching Module is connected in the optical fiber connector that connect for default equipment more than, the described optical fiber connector are provided with the input pin position that connects described Switching Module, described input pin position is connected in one of described central processing unit and reserves the pin position, described central processing unit is connected with memory, in described memory, be provided with for described central processing unit and read, execution is to carry out the systems soft ware of analysis and judgement, read the bit value of described input pin position signal address with the described central processing unit of described system software controls, and judge by described systems soft ware whether the bit value of described input pin position signal address changes; If this bit value does not change, default equipment is connected in the described optical fiber connector, just described systems soft ware is controlled the bit value that described central processing unit reads described input pin position signal address; If this bit value changes, default equipment is not attached to the described optical fiber connector, and described systems soft ware trigger event carries out emergency measure.
Compared with prior art, the device and method that monitor of the present invention can be repaid when connection status changes fast, described central processing unit (CPU) is to reserve the input pin position (SD pin) that the pin position connects the optical fiber connector, make the system software controls central processing unit read the bit value of input pin position signal address, judge the variation of the value of signal transmission address again by system software analysis, whether the connection status that just can learn the default equipment and the optical fiber connector changes, because of central processing unit for directly read the value of optical fiber connector input pin position without Switching Module (switchmodule), just need in Switching Module, to carry out the time that universal serial bus is linked up and signal Synchronization is handled in the time of can saving the signal transmission, and then the repayment speed when can the quickening state changing, owing to can handle fast when default equipment connection status changes, then data time that can't receive shortens, the running that more can reduce the number of dropouts of data and keep technical grade Ethernet system to continue.
Description of drawings
Fig. 1 is the calcspar of preferred embodiment of the present invention.
Fig. 2 is the flow chart of steps of preferred embodiment of the present invention.
Fig. 3 is the circuit diagram of preferred embodiment of the present invention.
Fig. 4 A, Fig. 4 B are the specification figure of the output enable buffer of the universal input and output pin of the present invention position.
Fig. 5 A, Fig. 5 B are the specification figure of the input buffer of the universal input and output pin of the present invention position.
Fig. 6 is the calcspar of another embodiment of the present invention.
Fig. 7 A, Fig. 7 B are the circuit diagram of another embodiment of the present invention.
Fig. 8 A, Fig. 8 B, Fig. 8 C are the address specification figure of expansion bus of the present invention.
Description of reference numerals: 1-central processing unit; 11-reserves the pin position; The 12-buffer; The universal input and output pin of 111-position; 121-connecting pin position; The 112-expansion bus; 2-Switching Module (switch module); 21-medium access control circuit; 22-entity circuit; The 3-optical fiber connector; 31-input pin position; The 4-systems soft ware; The 5-memory.
Embodiment
For reaching above-mentioned purpose and effect, the technology used in the present invention means and structure thereof, drawing illustrates in detail that with regard to preferred embodiment of the present invention its feature and function are as follows, profit is understood fully.
See also shown in Figure 1ly, be the calcspar of preferred embodiment of the present invention, find out that by knowing among the figure it comprises central processing unit (CPU) 1, Switching Module (switch module) 2, the optical fiber connector 3, systems soft ware 4 and memory 5, wherein:
Described central processing unit 1 is provided with a plurality of reservation pin position 11, and a plurality of reservation pin position 11 can be a plurality of universal input and output pin position (GPIO) 111 or expansion bus (Expansion Bus) 112, and is connected with the buffer (Buffer) 12 of a plurality of connecting pins of tool position 121 with expansion bus 112.
Described Switching Module 2 is connected in central processing unit 1, and Switching Module 2 has medium access control circuit 21 (MAC) and entity circuit (PHY) 22.
The described optical fiber connector 3 are provided with the input pin position (SD pin) 31 that connects Switching Module 2, and input pin position 31 is connected in a reservation pin position 11 of central processing unit 1.
Described systems soft ware 4 can read the value of the signal address that reservation pin position 11 is received on the central processing unit 1 and carries out analysis and judgement.
Described memory 5 is electrically connected on described central processing unit 1, and systems soft ware 4 is located in the memory 5, and central processing unit 1 can and be carried out by reading system softwares 4 in the memory 5.
See also Fig. 1, shown in Figure 2, be calcspar, the flow chart of steps of preferred embodiment of the present invention, find out by knowing among the figure, the step when described systems soft ware 4 is carried out is:
(100) beginning;
(101) control central processing unit 1 reads the value of the optical fiber connector 3 input pin positions 31 by reserving pin position 11;
(102) judge whether the value of reserving 11 received signals detection pin position, pin position, 31 signal address changes, if the value of signal address is changed into does not connect, and carry out step 103, if the value of signal address does not change, carry out step 101;
(103) trigger event carries out emergency measure.
Learn that by above-mentioned described central processing unit 1 is connected in the input pin position 31 of the optical fiber connector 3 with a reservation pin position 11, make systems soft ware 4 may command central processing units 1 read the signal value of input pin position 31, read the value of reserving pin position 11 received signal address with systems soft ware 4 again, whether the value by systems soft ware 4 analysis and judgement address changes, described systems soft ware 4 can be learnt the connection status of the optical fiber connector 3 and default equipment, when the value of signal address changes, default equipment is not connected for being with the optical fiber connector 3, when the value of signal address does not change, the default equipment of representative still is connected in the optical fiber connector 3, can be when connection status changes, learn fast and carry out emergency measure by systems soft ware 4 (as notifying the staff, make warning lamp shinny, suspend and produce line etc.), since central processing unit 1 when reading signal without the medium access control circuit (MAC) 21 and the entity circuit (PHY) 22 of Switching Module 2, and directly read the value of the optical fiber connector 3 input pin positions 31, just can save medium access control circuit 21 and carry out the time that universal serial bus is linked up and signal Synchronization is handled with entity circuit 22, and then the repayment speed of quickening state when changing.
See also Fig. 3, Fig. 4 A, Fig. 4 B, Fig. 5 A, shown in Fig. 5 B, circuit diagram for preferred embodiment of the present invention, the specification figure of the specification figure of the output enable buffer of universal input and output pin position and input buffer, find out by knowing among the figure, the reservation pin position 11 of described central processing unit 1 is for having 16 universal input and output pin positions 111, promptly can 16 universal input and output pin position 111 one being connected wherein with the input pin position 31 of the optical fiber connector 3, the value of pin position is that hardware directly defines, 0 enters the optical fiber connector 3 for LASER Light Source, 1 does not enter the optical fiber connector 3 for LASER Light Source, therefore, the universal input and output pin position 111 that systems soft ware 4 can connect input pin position 31 to this is defined as input, and specifications according to central processing unit 1, the bit (bit) that corresponds to this universal input and output pin position 111 in output enable buffer (the Output Enable Register) address with universal input and output pin position 111 is set at 1, promptly representing this signal is input signal, systems soft ware 4 just can constantly read the value of input buffer (Input Register) address of universal input and output pin position 111 afterwards, and whether the value of checking its corresponding bit changes, when the optical fiber connector 3 connect the connection state change of default equipment, systems soft ware 4 can learn that just the value of input buffer changes, and carries out emergency measure.
Above-mentioned central processing unit 1 can be IXP422, and the input pin position 31 of the optical fiber connector 3 is connected in the universal input and output pin position 111 of numbering 15, the address of the output enable buffer of the universal input and output pin position 111 of described numbering 15 is the bit (bit) 15 of 0xC8004004, and the address of the input buffer of the universal input and output pin position 111 of described numbering 15 is the bit (bit) 15 of 0xC8004008, systems soft ware 4 is the continuous value of the bit (bit) 15 of analysis and judgement input buffer address just, if this value changes into 1 by 0, systems soft ware 4 just can carry out corresponding notice and emergency measure.
Above-mentioned central processing unit 1 can be the processor of IXP422 or other models, and the optical fiber connector 3 can be connected in numbering 1,2,15,16 or the universal input and output pin position 111 of other numberings, if the universal input and output pin position 111 that the optical fiber connector 3 connect, then the address of output enable buffer and input buffer just can change over corresponding address, described address can be learnt by the specifications of central processing unit, it is only during the connection status change of the default equipment of tool and the optical fiber connector 3, can change the value of address, but the function that allows systems soft ware 4 analysis and judgement obtain default equipment connection status gets final product, non-so promptly limit to claim of the present invention, as utilize other modifications and equivalent structure to change, all should in like manner be included in the claim of the present invention.
See also Fig. 6, Fig. 7 A, Fig. 7 B, Fig. 8 A, Fig. 8 B, shown in Fig. 8 C, calcspar for another embodiment of the present invention, the address specification figure of circuit diagram and expansion bus, find out by knowing among the figure, the reservation pin position 11 of described central processing unit 1 also can be one of expansion bus 112, and expansion bus 112 is for being connected with buffer 12, the input pin position 31 that connects the optical fiber connector 3 again with buffer 12, its buffer 12 is for to be connected with two optical fiber connector 3 with connecting pin position 121 (G0_SD and G1_SD), this buffer (Buffer) 12 is for having 8 signals (1A1-2A4), and the signal of two connecting pin positions 121 is to be defined in the specifications that the beginning address is the bit group of 0x 57000000 on the expansion bus 112, and be positioned on its bit (bit) 1 and the bit (bit) 3, therefore, systems soft ware 4 only need constantly read the value of address (0x57000000), just in the time of can changing connection state at the default equipment that the optical fiber connector 3 are connected, analysis and judgement changes to the value of expansion bus 112 address.
Above-mentioned central processing unit 1 can be the processor of Intel IXP422 or other models, with Intel IXP422 is example, the connecting pin position 121 of central processing unit 1 internal inner ring 12 can be connected with the more than one optical fiber connector 3, it is only during the connection status change of the default equipment of tool and the optical fiber connector 3, the function that can change the value of corresponding bit (bit) on expansion bus 112 address gets final product, non-so promptly limit to claim of the present invention, as utilize other modifications and equivalent structure to change, all should in like manner be contained in the claim of the present invention.The device and method that a kind of monitor of the invention described above can be repaid when connection status changes fast has following advantage when reality is used, as:
(1) described central processing unit 1 is to reserve the input pin position 31 that pin position 11 connects the optical fiber connector 3, because systems soft ware 4 is the variation of the value of direct analysis and judgement signal transmission address, whether the connection status that just can learn the default equipment and the optical fiber connector 3 changes, when transmitting because of signal for not passing through Switching Module 2, but central processing unit 1 directly reads the value of the optical fiber connector 3 input pin positions 31 by reserving pin position 11, just can save signal and carry out the times that universal serial bus is linked up and signal Synchronization is handled through Switching Module 2 is required, and then the repayment speed of quickening state when changing.
(2) described central processing unit 1 is to reserve the input pin position 31 that pin position 11 connects the optical fiber connector 3, when transmitting because of signal for not passing through Switching Module 2, and have medium access control circuit 21 and entity circuit 22 in the Switching Module 2, when if medium access control circuit 21 or entity circuit 22 produce fault or mistake, central processing unit 1 also can directly read the value of input pin position 31, owing to can not have influence on the variation of the value of systems soft ware 4 analysis and judgement signals transmission address, and then can promote the accuracy that supervises when presetting the equipment connection status.
(3) described systems soft ware 4 can detect the variation of the value of reserving pin position 11 signals transmission address, learn fast whether default equipment connection status changes, and when changing, connection status carries out emergency measure, then when default equipment connection status changes in the transfer of data way, then but the fast processing maintenance makes default equipment recover to connect, factor shortened according to the time that can't receive, and not only can reduce the number of dropouts of data, the maintenance running that more can allow technical grade Ethernet system continue.
Therefore; the present invention is primarily aimed at the device and method that a kind of monitor can be repaid fast when connection status changes; and the reservation pin position 11 of central processing unit 1 can be connected to the input pin position 31 of the optical fiber connector 3; can carry out analysis and judgement by the value of 4 pairs of reservations of systems soft ware pin position, 11 received signal address; learn whether the optical fiber connector 3 and the connection status of default equipment change; repayment speed when changing with the quickening state is main key protection point; but; the above only is preferred embodiment of the present invention; non-so promptly limit to claim of the present invention; therefore the simple and easy modification and the equivalent structure that use specification of the present invention and graphic content to do such as change, and all should in like manner be contained in claim of the present invention.
In sum, the device and method that the above-mentioned a kind of monitor of the present invention can be repaid when connection status changes fast is when enforcement, operation, for reaching its effect and purpose really, so the present invention really is the invention of a practicality excellence, file an application for the application important document whence that meets patent of invention in accordance with the law, expect that examining committee grants accurate this case early, to ensure inventor's arduous research and development, if expensive careful committee of an ancient unit of weight office have any check doubtful, the indication of please writing to us without sparing, the inventor is settled to do one's utmost to cooperate.
Claims (7)
1. device that monitor can be repaid when connection status changes fast, comprise central processing unit, Switching Module and the more than one optical fiber connector, described central processing unit is provided with a plurality of reservation pin position, described central processing unit is connected in described Switching Module, described Switching Module is connected in the more than one optical fiber connector, the described optical fiber connector are provided with the input pin position that connects described Switching Module, it is characterized in that:
Described central processing unit is reserved the input pin position that the pin position is connected in the described optical fiber connector with one, described central processing unit is connected with memory, in described memory, be provided with for described central processing unit and read, execution is reserved the systems soft ware whether pin position received signal address value changes with analysis and judgement, the described central processing unit of described system software controls reads the bit value of described input pin position signal address, learn the connection status of the described optical fiber connector and default equipment by the direct analysis and judgement of described systems soft ware, when connection status changes, learn and carry out emergency measure.
2. the device that monitor as claimed in claim 1 can be repaid when connection status changes fast is characterized in that, described reservation pin position is universal input and output pin position.
3. the device that monitor as claimed in claim 1 can be repaid when connection status changes fast is characterized in that, described reservation pin position is an expansion bus.
4. the device that monitor as claimed in claim 3 can be repaid when connection status changes fast, it is characterized in that, described expansion bus is connected with buffer, and described buffer has a plurality of connecting pin positions that are connected with the input pin position of the described more than one optical fiber connector.
5. method that monitor can be repaid when connection status changes fast, comprise central processing unit, Switching Module and the more than one optical fiber connector, described central processing unit is provided with a plurality of reservation pin position, described central processing unit is connected in described Switching Module, described Switching Module is connected in the optical fiber connector that connect for default equipment more than, the described optical fiber connector are provided with the input pin position that connects described Switching Module, it is characterized in that
Described input pin position is connected in one of described central processing unit and reserves the pin position, described central processing unit is connected with memory, in described memory, be provided with for described central processing unit and read, carry out to carry out the systems soft ware of analysis and judgement, read the bit value of described input pin position signal address with the described central processing unit of described system software controls, and judge by described systems soft ware whether the bit value of described input pin position signal address changes; If this bit value does not change, default equipment is connected in the described optical fiber connector, just described systems soft ware is controlled the bit value that described central processing unit reads described input pin position signal address; If this bit value changes, default equipment is not attached to the described optical fiber connector, and described systems soft ware trigger event carries out emergency measure.
6. the method that monitor as claimed in claim 5 can be repaid when connection status changes fast, it is characterized in that, described reservation pin position is universal input and output pin position, described systems soft ware is set at 1 with corresponding bit in the output enable buffer address of described universal input and output pin position, and whether the value of the input buffer address of the described universal input and output pin of analysis and judgement position changes.
7. the method that monitor as claimed in claim 5 can be repaid when connection status changes fast, it is characterized in that, described reservation pin position is one of expansion bus, described expansion bus is the input pin position that is connected in the optical fiber connector, described expansion bus is connected with buffer, described buffer has a plurality of connecting pin positions that are connected respectively with the input pin position of the described more than one optical fiber connector, and the corresponding bit value of described system software analysis judgement expansion bus address is learnt the connection status of default equipment.
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| CN200910005145XA CN101795157B (en) | 2009-02-04 | 2009-02-04 | Device capable of rapid returning when monitoring connection state of unit changes and method thereof |
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| CN200910005145XA CN101795157B (en) | 2009-02-04 | 2009-02-04 | Device capable of rapid returning when monitoring connection state of unit changes and method thereof |
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| CN101795157B CN101795157B (en) | 2013-07-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111274168A (en) * | 2018-12-05 | 2020-06-12 | 新唐科技股份有限公司 | Processing device and method for changing pin function |
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| TW583856B (en) * | 2002-07-25 | 2004-04-11 | Moxa Technologies Co Ltd | Method for fast switching of monitoring equipment during wire changing |
| CN2660795Y (en) * | 2003-12-03 | 2004-12-01 | 深圳市首迈通信技术有限公司 | Optical fiber Ethernet exchanger and monitor modular for same |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111274168A (en) * | 2018-12-05 | 2020-06-12 | 新唐科技股份有限公司 | Processing device and method for changing pin function |
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