CN103412838A - Expansion system, communication method, address configuration method, equipment and device - Google Patents
Expansion system, communication method, address configuration method, equipment and device Download PDFInfo
- Publication number
- CN103412838A CN103412838A CN2013103200096A CN201310320009A CN103412838A CN 103412838 A CN103412838 A CN 103412838A CN 2013103200096 A CN2013103200096 A CN 2013103200096A CN 201310320009 A CN201310320009 A CN 201310320009A CN 103412838 A CN103412838 A CN 103412838A
- Authority
- CN
- China
- Prior art keywords
- expansion card
- expansion
- controller
- programme
- level
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Abstract
The invention discloses an expansion system, a communication method, an address configuration method, equipment and a device. To-be-expanded equipment and a plurality of expansion cards are provided; the to-be-expanded equipment is connected with the plurality of the expansion cards through one management bus port and connected with the plurality of the expansion cards through a plurality of expansion ports respectively; N programmable pins of a controller of each expansion card are in one-to-one correspondence to N address pins of all components on a management bus of the expansion card; the N address pins of each component are address pins corresponding to appointed N bits in configurable bits of a management bus address of the component; the N is the minimum value in address bits corresponding to the plurality of the expansion cards respectively; and an address bit corresponding to each expansion card is the minimum value of configurable bits of a management bus address of each component on a management bus of the expansion card. According to the technical scheme, the problem that the to-be-expanded equipment fails to access expansion cards due to the fact that the to-be-expanded equipment is connected with the plurality of expansion cards, and management bus addresses conflict can be solved.
Description
Technical field
The present invention relates to communication technical field, relate in particular to collocation method, equipment and the device of a kind of expanding system, communication means, management bus address.
Background technology
Now widely used expansion card has many types, as PCIe(Peripheral Component Interconnect Express, the peripheral component interconnect express passway) expansion card etc., in order to improve reliability and maintainability, in expansion card, all some environment can be set, state-detection device and memory device etc., as temperature sensor, EEPROM(Electrically Erasable Programmable Read Only Memory, the programmable read only memory that electricity is wiped) device such as, these devices are mounted on the management bus in expansion card, generally, a plurality of identical above-mentioned devices can be set in an expansion card.Treat that expansion equipment (as server, industrial computer etc.) is connected expansion card by Extended Capabilities Port with the management bus port, common expansion card has network interface card, RAID(Redundant Array of Inexpensive Disks, the redundant array of inexpensive disk) card, SSD(Solid State Drive, therefore solid-state disk) etc., can improve the interface capability for the treatment of expansion equipment, memory capacity etc.Owing to treating that expansion equipment can access expansion card by management bus, and the device be mounted in expansion card on this management bus communicates, and therefore each device on management bus must have mutually different management bus address.
The PCIe expansion card shown in Figure 1 of take is example, the management bus that the PCIe expansion card adopts is I2C(Inter Integrated Circuit, between integrated circuit) bus, the device such as detection means and memory device is mounted on the I2C bus in the PCIe expansion card, treat that expansion equipment passes through the PCIe port and be connected the PCIe expansion card with the I2C port, the PCIe expansion card provides different business functions for treating expansion equipment.The I2C bus address has 7, and wherein high 4 or high 5 is producer's configuration bit, and by the configuration of device producer, different components is different, can not revise after dispatching from the factory, and low 3 or low 2 is configurable position, can be configured by the user.Each that has address pins and configurable position in device pin is corresponding one by one, in prior art, carrys out the level of configuration device address pins by external pull-up resistor or pull down resistor are set, and then realizes low 3 or low 2 s' of I2C bus address configuration.
Yet, the present application people finds, in the prior art, and when until expansion equipment, passing through a management bus and only connected an expansion card, on this management bus, not there will be identical device, namely each device on this management bus has mutually different management bus address; And when until expansion equipment, passing through a management bus and connected a plurality of expansion card, a plurality of identical devices may appear on this management bus, producer's configuration bit of the device management bus address that these are identical is identical, if the configuration of non-essential resistance is also identical, the configurable position of management bus address is also identical, namely on a management bus, may have the identical device in management bus address; If, when expansion equipment is passed through a management bus and connected a plurality of identical expansion card, on a management bus, be bound to exist the identical device in management bus address.Communicate at this moment, will produce conflict, cause treating the failure of expansion equipment access expansion card.
Summary of the invention
The embodiment of the present invention provides collocation method, equipment and the device of a kind of expanding system, communication means, management bus address, the problem for the treatment of the failure of expansion equipment access expansion card that the management bus address conflict causes when expansion equipment connects a plurality of expansion card in order to solution.
First aspect, provide a kind of expanding system, and comprise and treat expansion equipment and a plurality of expansion card, wherein:
Describedly treat that expansion equipment passes through management bus port and connect described a plurality of expansion cards, and connect respectively described a plurality of expansion card by a plurality of Extended Capabilities Port;
N address pins of each device on the management bus in the N of the controller in each an expansion card pin able to programme and this expansion card be corresponding being connected one by one, and the N of each a device address pins is the address pins of appointment N position correspondence in configurable of management bus address of this device; N is the minimum value in address size corresponding to described a plurality of expansion card difference; The address size that each expansion card is corresponding is the minimum value of figure place of configurable position of the management bus address of each device on the management bus in this expansion card.
In conjunction with first aspect, in the possible implementation of the first, described pin able to programme is specially universal input output GPIO pin.
Second aspect, provide a kind of communication means as the described expanding system of first aspect, comprising:
Treat that expansion equipment sends the access request message of carrying the management bus address to each device on the management bus in a plurality of expansion cards;
The response message that the identical device in management bus address carried in receiving management bus address and described request of access returns;
Wherein, partly or entirely the level of the N of the controller in an expansion card pin able to programme be treat expansion equipment according to the quantity M of expansion card and described a plurality of expansion card respectively the relation of the minimum value N in corresponding address size be configured, and specify the level of the individual pin able to programme of N of the controller in level and other expansion card of N pin able to programme of the controller in expansion card not identical; The level of the N of the controller in each an expansion card pin able to programme has characterized the value of specifying the N position in the configurable position of management bus address of each device on the management bus in this expansion card.
In conjunction with second aspect, in the possible implementation of the first, the part or all of level of the N of the controller in an expansion card pin able to programme, be specially and treat what expansion equipment was configured according to the magnitude relationship of the quantity M of expansion card and 2N.
In conjunction with the possible implementation of the first of second aspect, in the possible implementation of the second, partly or entirely the level of N pin able to programme of the controller in expansion card is specifically determined in the following way:
When the quantity M of expansion card is less than or equal to 2N, treat that expansion equipment configures the level of the individual pin able to programme of N of the controller in level and other expansion card of N pin able to programme of the controller in each expansion card not identical;
When the quantity M of expansion card is greater than 2N, the level for the treatment of the N of expansion equipment by the controller in a part or all of expansion card pin able to programme is configured, and the level of the individual pin able to programme of N of the controller in the level that reaches N the pin able to programme that is about to the controller in accessed expansion card and other expansion card is not identical.
The possible implementation of the second in conjunction with the possible implementation of the first of second aspect, second aspect or second aspect, in the third possible implementation, described a plurality of expansion card is distinguished the minimum value N in corresponding address size, specifically determines in the following way:
Treat that expansion equipment obtains the identification information of the controller in described a plurality of expansion card;
According to the identification information of the controller in pre-stored expansion card and the corresponding relation of address size, determine address size corresponding to described a plurality of expansion card difference; And
In address size corresponding to described a plurality of expansion cards difference of determining, determine minimum value N wherein.
The third aspect, provide the collocation method of the management bus address of device in a kind of expanding system as described as first aspect, comprising:
Determine that the quantity M treat the expansion card that expansion equipment connects and each expansion card be connected distinguish the relation of the minimum value N in corresponding address size; The address size that each expansion card is corresponding is the minimum value of the figure place of configurable position in the management bus address of each device on the management bus in this expansion card;
According to the described relation of determining, the level of the pin able to programme of the N by the controller in part or all of expansion card is configured, and the level of the individual pin able to programme of N of the controller in the level that reaches N the pin able to programme of specifying the controller in expansion card and other expansion card is not identical; The level of the N of the controller in each an expansion card pin able to programme has characterized the value of specifying the N position in the management bus address of each device on the management bus in this expansion card in configurable position.
In conjunction with the third aspect, in the possible implementation of the first, determine that the quantity M treat the expansion card that expansion equipment connects and each expansion card be connected distinguish the relation of the minimum value N in corresponding address size, be specially:
Determine the magnitude relationship of the quantity M and the 2N that treat the expansion card that expansion equipment connects, described N is that described each expansion card for the treatment of that expansion equipment connects is distinguished the minimum value in corresponding address size.
In conjunction with the possible implementation of the first of the third aspect, in the possible implementation of the second, according to the described relation of determining, the level of the pin able to programme of the N by the controller in part or all of expansion card is configured, the level of the individual pin able to programme of N of the controller in the level that reaches N the pin able to programme of specifying the controller in expansion card and other expansion card is not identical, is specially:
When the quantity M of the expansion card connected until expansion equipment was less than or equal to 2N, the level of the individual pin able to programme of N that configures the controller in level and other expansion card of N pin able to programme of the controller in each expansion card was not identical;
When the quantity M of the expansion card connected until expansion equipment is greater than 2N, the level of the pin able to programme of the N by the controller in part or all of expansion card is configured, and the level of the individual pin able to programme of N of the controller in the level that reaches N the pin able to programme that is about to the controller in accessed expansion card and other expansion card is not identical.
The possible implementation of the second in conjunction with the possible implementation of the first of the third aspect, the third aspect or the third aspect, in the third possible implementation, treat each expansion card that expansion equipment connects minimum value N in corresponding address size respectively, specifically determine in the following way:
Obtain the identification information for the treatment of the controller in each expansion card that expansion equipment connects;
According to the identification information of the controller in pre-stored expansion card and the corresponding relation of address size, determine address size corresponding to each expansion card difference; And
In address size corresponding to each expansion card difference of determining, determine minimum value N wherein.
Fourth aspect, provide the expansion equipment for the treatment of in a kind of expanding system as described as first aspect, comprising:
Transmitting element, send the access request message of carrying the management bus address for each device on the management bus in a plurality of expansion cards;
Receiving element, the response message that the identical device in management bus address carried for receiving management bus address and described request of access returns;
Wherein, partly or entirely the level of the N of the controller in an expansion card pin able to programme be treat expansion equipment according to the quantity M of expansion card and described a plurality of expansion card respectively the relation of the minimum value N in corresponding address size be configured, and specify the level of the individual pin able to programme of N of the controller in level and other expansion card of N pin able to programme of the controller in expansion card not identical; The level of the N of the controller in each an expansion card pin able to programme has characterized the value of specifying the N position in the configurable position of management bus address of each device on the management bus in this expansion card.
In conjunction with fourth aspect, in the possible implementation of the first, also comprise dispensing unit, specifically for the magnitude relationship of the quantity M according to expansion card and 2N, the level of N pin able to programme of the controller in part or all of expansion card is configured.
In conjunction with the possible implementation of the first of fourth aspect, in the possible implementation of the second, described dispensing unit, while specifically for the quantity M when expansion card, being less than or equal to 2N, the level of the individual pin able to programme of N that configures the controller in level and other expansion card of N pin able to programme of the controller in each expansion card is not identical; When the quantity M of expansion card is greater than 2N, the level of the pin able to programme of the N by the controller in part or all of expansion card is configured, and the level of the individual pin able to programme of N of the controller in the level that reaches N the pin able to programme that is about to the controller in accessed expansion card and other expansion card is not identical.
The possible implementation of the second in conjunction with the possible implementation of the first of fourth aspect, fourth aspect or fourth aspect, in the third possible implementation, described dispensing unit, also be used to obtaining the identification information of the controller in described a plurality of expansion card; According to the identification information of the controller in pre-stored expansion card and the corresponding relation of address size, determine address size corresponding to described a plurality of expansion card difference; And, in address size corresponding to described a plurality of expansion cards difference of determining, determine minimum value N wherein.
The 5th aspect, provide the inking device of the management bus address of device in a kind of expanding system as described as first aspect, comprising:
Determining unit, distinguish the relation of the minimum value N of corresponding address size for determining the quantity M that treats the expansion card that expansion equipment connects and each expansion card be connected; The address size that each expansion card is corresponding is the minimum value of the figure place of configurable position in the management bus address of each device on the management bus in this expansion card;
Dispensing unit, for the described relation according to determining, the level of the pin able to programme of the N by the controller in part or all of expansion card is configured, and the level of the individual pin able to programme of N of the controller in the level that reaches N the pin able to programme of specifying the controller in expansion card and other expansion card is not identical; The level of the N of the controller in each an expansion card pin able to programme has characterized the value of specifying the N position in the management bus address of each device on the management bus in this expansion card in configurable position.
In conjunction with the 5th aspect, in the possible implementation of the first, described determining unit, specifically for determining the magnitude relationship of the quantity M and the 2N that treat the expansion card that expansion equipment connects, described N is that described each expansion card for the treatment of that expansion equipment connects is distinguished the minimum value in corresponding address size.
In conjunction with the possible implementation of the first of the 5th aspect, in the possible implementation of the second, described dispensing unit, while specifically for the quantity M of the expansion card when connecting until expansion equipment, being less than or equal to 2N, the level of the individual pin able to programme of N that configures the controller in level and other expansion card of N pin able to programme of the controller in each expansion card is not identical; When the quantity M of the expansion card connected until expansion equipment is greater than 2N, the level of the pin able to programme of the N by the controller in part or all of expansion card is configured, and the level of the individual pin able to programme of N of the controller in the level that reaches N the pin able to programme that is about to the controller in accessed expansion card and other expansion card is not identical.
The possible implementation of the second in conjunction with the possible implementation of the first of the 5th aspect, the 5th aspect or the 5th aspect, in the third possible implementation, described determining unit, also be used to obtaining the identification information for the treatment of the controller in each expansion card that expansion equipment connects; According to the identification information of the controller in pre-stored expansion card and the corresponding relation of address size, determine address size corresponding to each expansion card difference; And, in address size corresponding to each expansion card difference of determining, determine minimum value N wherein.
The expanding system provided according to first aspect, the communication means that second aspect provides, the collocation method of the management bus address that the third aspect provides, fourth aspect provides treats expansion equipment, the inking device of the management bus address that the 5th aspect provides, the value of the appointment N position in the management bus address of each device on the management bus in the level configuration expansion card of N pin able to programme that can be by the controller of configuration in expansion card in configurable position, for specifying expansion card, the level of the individual pin able to programme of N that configures the controller in level and other expansion card of N pin able to programme of the controller in this expansion card is not identical, solved the problem for the treatment of the failure of expansion equipment access expansion card that the management bus address conflict causes when expansion equipment connects a plurality of expansion card.
The accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and forms the part of instructions, is used from explanation the present invention with the embodiment of the present invention one, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the schematic diagram of PCIe expansion card of the prior art;
The expanding system schematic diagram that Fig. 2 provides for the embodiment of the present invention;
One of PCIe expanding system schematic diagram that Fig. 3 provides for the embodiment of the present invention;
Two of the PCIe expanding system schematic diagram that Fig. 4 provides for the embodiment of the present invention;
The process flow diagram of the communication means that Fig. 5 provides for the embodiment of the present invention;
The process flow diagram of the collocation method of the management bus address that Fig. 6 provides for the embodiment of the present invention;
The detail flowchart of the collocation method of the management bus address that Fig. 7 provides for the embodiment of the present invention;
The structural representation for the treatment of expansion equipment that Fig. 8 provides for the embodiment of the present invention;
The structural representation of the inking device of the management bus address that Fig. 9 provides for the embodiment of the present invention.
Embodiment
In order to provide the implementation that solves the problem for the treatment of the failure of expansion equipment access expansion card that the management bus address conflict causes when expansion equipment connects a plurality of expansion card, the embodiment of the present invention provides collocation method, equipment and the device of a kind of expanding system, communication means, management bus address, below in conjunction with Figure of description, the preferred embodiments of the present invention are described, be to be understood that, preferred embodiment described herein only, for description and interpretation the present invention, is not intended to limit the present invention.And in the situation that do not conflict, embodiment and the feature in embodiment in the application can combine mutually.
The embodiment of the present invention provides a kind of expanding system, and as shown in Figure 2, comprise and treat expansion equipment and a plurality of expansion card, wherein:
Treat that expansion equipment passes through management bus port and connect the plurality of expansion card, and connect respectively the plurality of expansion card by a plurality of Extended Capabilities Port; N address pins of each device on the management bus in the N of the controller in each an expansion card pin able to programme and this expansion card be corresponding being connected one by one, and the N of each a device address pins is the address pins of appointment N position correspondence in configurable of management bus address of this device; N is the minimum value in address size corresponding to the plurality of expansion card difference; The address size that each expansion card is corresponding is the minimum value of figure place of configurable position of the management bus address of each device on the management bus in this expansion card.
On management bus in expansion card in the embodiment of the present invention, a plurality of identical devices can be set.
Above-mentioned expansion card is specifically as follows the PCIe expansion card, management bus is specifically as follows the I2C bus, N address pins of each device on the I2C bus in the N of the controller in a PCIe expansion card pin able to programme and this PCIe expansion card correspondence one by one is connected, because the I2C bus address has 7, low 3 or low 2 be configurable position, so the N of each a device address pins is in the I2C bus address of this device, to hang down the address pins of N position correspondence.
In expanding system shown in Figure 3, treat that expansion equipment connects 2 PCIe expansion cards; In expanding system shown in Figure 4, treat that expansion equipment connects 5 PCIe expansion cards.Suppose that the PCIe expansion card in Fig. 3, Fig. 4 is identical, in the I2C bus address of each device on the I2C bus in each PCIe expansion card, the minimum value of the figure place of configurable position is 2, and the address size that namely this PCIe expansion card is corresponding is 2, and minimum value N is 2.So, 2 pins able to programme of the controller in the PCIe expansion card and 2 address pins of each device on the I2C bus in this PCIe expansion card are corresponding being connected one by one, and in these 2 address pins I2C bus address that is device, hang down the address pins of 2 correspondences.
Preferably, this pin able to programme is specifically as follows GPIO(General Purpose Input/Output, universal input output) pin, adopt the GPIO pin comparatively simple, be easy to realize, if controller does not provide the GPIO pin, also can expand the GPIO pin by other pin.
The GPIO pin is only an example, and pin able to programme also can be configured the pin of modification for other pin level.
Based on the above-mentioned expanding system that the embodiment of the present invention provides, the embodiment of the present invention provides a kind of communication means, as shown in Figure 5, comprises the steps:
Wherein, partly or entirely the level of the N of the controller in an expansion card pin able to programme be treat expansion equipment according to the quantity M of expansion card and the plurality of expansion card respectively the relation of the minimum value N in corresponding address size be configured, and specify the level of the individual pin able to programme of N of the controller in level and other expansion card of N pin able to programme of the controller in expansion card not identical; The level of the N of the controller in each an expansion card pin able to programme has characterized the value of specifying the N position in the configurable position of management bus address of each device on the management bus in this expansion card.
After treating that expansion equipment receives response message, can carry out data transmission with the identical device in management bus address that carries in this management bus address and request of access.
Further, partly or entirely the level of N pin able to programme of the controller in expansion card, be specially and treat the quantity M and 2 of expansion equipment according to expansion card
NMagnitude relationship be configured.
Further, the level of N pin able to programme of the controller in part or all of expansion card is specifically determined in the following way:
When the quantity M of expansion card is less than or equal to 2
NThe time, treat that expansion equipment configures the level of the individual pin able to programme of N of the controller in level and other expansion card of N pin able to programme of the controller in each expansion card not identical; When the quantity M of expansion card is greater than 2
NThe time, the level for the treatment of the N of expansion equipment by the controller in a part or all of expansion card pin able to programme is configured, and the level of the individual pin able to programme of N of the controller in the level that reaches N the pin able to programme that is about to the controller in accessed expansion card and other expansion card is not identical.
Further, the plurality of expansion card is distinguished the minimum value N in corresponding address size, specifically determines in the following way:
Treat that expansion equipment obtains the identification information of the controller in the plurality of expansion card; According to the identification information of the controller in pre-stored expansion card and the corresponding relation of address size, determine address size corresponding to the plurality of expansion card difference; And, in address size corresponding to the plurality of expansion card difference of determining, determine minimum value N wherein.
The detailed step for the treatment of expansion equipment configuration management bus address can be referring to following embodiment.
Based on the above-mentioned expanding system that the embodiment of the present invention provides, the embodiment of the present invention provides a kind of collocation method of management bus address of device, as shown in Figure 6, comprises the steps:
The relation that step 602, basis are determined, the level of the pin able to programme of the N by the controller in part or all of expansion card is configured, and the level of the individual pin able to programme of N of the controller in the level that reaches N the pin able to programme of specifying the controller in expansion card and other expansion card is not identical; The level of the N of the controller in each an expansion card pin able to programme has characterized the value of specifying the N position in the management bus address of each device on the management bus in this expansion card in configurable position.
Further, step 601 is specifically as follows and determines the quantity M and 2 that treats the expansion card that expansion equipment connects
NMagnitude relationship.
Further, step 602 is according to the quantity M that treats the expansion card that expansion equipment connects and 2 determined
NMagnitude relationship, when the level of N pin able to programme of the controller of configuration in expansion card, following two kinds of situations are arranged specifically:
Situation one: when the quantity M that treats the expansion card that expansion equipment connects is less than or equal to 2
NThe time, using each expansion card as specifying expansion card, the level of the individual pin able to programme of N that configures the controller in level and other expansion card of N pin able to programme of the controller in each expansion card is not identical;
For example, in Fig. 3, the quantity M that treats the PCIe expansion card that expansion equipment self connects is 2, each PCIe expansion card minimum value N in corresponding address size respectively is 2, the level for the treatment of 2 pins able to programme that expansion equipment can be by configuring the controller in each PCIe expansion card configures in the I2C bus address of the device on the I2C bus in each PCIe expansion card the value of low 2, the device that the I2C bus address is identical appears by configuring on a plurality of PCIe expansion cards that this value of low 2 avoids treating that expansion equipment connects, the value that should hang down 2 can be configured to 00, 01, 10 and 11 4 kind, therefore by this value of low 2, can distinguish 4 devices on the I2C bus in the PCIe expansion card, namely 2
Nindividual.When the quantity M of PCIe expansion card is less than or equal to 2
NThe time, can directly configure the level of the pin able to programme of the controller in all PCIe expansion cards different, on each PCIe expansion card, the device that the I2C bus address is identical can not appear now.
Situation two: when the quantity M that treats the expansion card that expansion equipment connects is greater than 2
NThe time, to be about to accessed expansion card as specifying expansion card, the level of the pin able to programme of the N by the controller in part or all of expansion card is configured, and the level of the individual pin able to programme of N of the controller in the level that reaches N the pin able to programme that is about to the controller in accessed expansion card and other expansion card is not identical;
For example, in Fig. 4, the quantity M that treats the PCIe expansion card that expansion equipment self connects is 5, and each PCIe expansion card minimum value N in corresponding address size respectively is 2, because the value by N pin able to programme of configuration can only distinguish 2 at most
NDevice on I2C bus in individual PCIe expansion card, when the quantity M of PCIe expansion card is greater than 2
NThe time, can adopt the method for time-sharing multiplex, only for being about to accessed PCIe expansion card, make to be about on accessed PCIe expansion card and other PCIe expansion card on do not have the device of address conflict.
Below in conjunction with accompanying drawing, with specific embodiment, method provided by the invention is described in detail.
In embodiments of the present invention, treat that the concrete expansion card connected of expansion equipment is the PCIe expansion card, and treat that a plurality of PCIe expansion cards that expansion equipment connects are identical PCIe expansion card, on the I2C bus, have identical device.In embodiments of the present invention, treat each PCIe expansion card that expansion equipment connects respectively the minimum value N in corresponding address size be also 2,2 GPIO pins of the controller in each PCIe expansion card and 2 address pins of each device on the I2C bus in this PCIe expansion card are corresponding being connected one by one, in the I2C bus address that 2 address pins of each device are each device, hangs down the address pins of 2 correspondences.
In embodiments of the present invention, the executive agent of scheme is for treating expansion equipment, and in other embodiment of the present invention, the executive agent of scheme also can be miscellaneous equipment.
Shown in Figure 7, the detail flowchart of the collocation method of the management bus address provided for the embodiment of the present invention, specifically comprise the steps:
In prior art, the controller in each PCIe expansion card is equipped with identification information, comprises the sign VendorID of producer and device identification DeviceID.Treat that expansion equipment can be by each PCIe port of scanning, obtain the identification information of the controller in the PCIe expansion card connected, determine the quantity of PCIe expansion card, the identification information of the controller in the PCIe expansion card and the corresponding relation of address size can be pre-stored in treating expansion equipment, treat definite address size corresponding to each PCIe expansion card difference connected of expansion equipment, and, in address size corresponding to each expansion card difference of determining, determine minimum value N wherein.
When the quantity M of PCIe expansion card is not more than 2
NThe time, enter step 703; When the quantity M of PCIe expansion card is greater than 2
NThe time, enter step 705.
In embodiments of the present invention, if as shown in Figure 3, the quantity M of PCIe expansion card is that the quantity M of 2, PCIe expansion card is not more than 2
N, now enter step 703; If as shown in Figure 4, the quantity M of PCIe expansion card is that the quantity M of 5, PCIe expansion card is greater than 2
N, now enter step 705.
For example, in Fig. 3, if the PCIe port numbers of PCIe expansion card 1 correspondence is 0, the level of 2 GPIO pins in PCIe expansion card 1 can be configured to the level of the binary number value representation of 0 correspondence, i.e. 00 level meaned, namely 2 GPIO pins all are configured to low level, and now, low 2 of the I2C bus address of each device on the I2C bus in PCIe expansion card 1 are 00.
In like manner, if the PCIe port numbers of PCIe expansion card 2 correspondences is 1, the level of 2 GPIO pins in PCIe expansion card 2 can be configured to the level of the binary number value representation of 1 correspondence, i.e. 01 level meaned, namely in 2 GPIO pins, be configured to high level with pin level corresponding to I2C bus address lowest order, another pin configuration is low level, and now, low 2 of the I2C bus address of each device on the I2C bus in PCIe expansion card 2 are 01.
For the position of setting in the method that in the configurable position of each device, the embodiment of the present invention provides, can adopt alternate manner to be configured to predetermined level, thereby form 7 I2C bus addresss that each device is complete.
This flow process finishes.
Treat that namely expansion equipment is first by front 2
NThe value of the low N position of the I2C address of each device on the I2C bus in-1 PCIe expansion card is configured to 0 to 2 successively
NThe binary value of-2 correspondences, by other M-2
NThe value of the low N position of the I2C address of each device on the I2C bus in+1 PCIe expansion card all is configured to 2
NThe binary value of-1 correspondence, now, front 2
NThe value of the low N position of the I2C address of each device on the I2C bus in-1 PCIe expansion card is different, does not have the problem of the I2C bus address conflict of device.
Namely be about to access the 2nd
NDuring individual PCIe expansion card, the value of the rear N position of the I2C address of each device on the I2C bus in other PCIe expansion card all is configured to and 2
NThe value that the binary value of-1 correspondence is different, in access the 2nd
NIndividual PCIe expansion card is about to access the 2nd after finishing
NDuring+1 PCIe expansion card, by the 2nd
NThe value of the low N position of the I2C address of each device on the I2C bus in+1 PCIe expansion card is configured to and 2
NThe binary value of-1 correspondence, all be configured to the value of the low N position of the I2C address of each device on the I2C bus in other PCIe expansion card and 2
NThe value that the binary value of-1 correspondence is different ... go down successively, until the access of all PCIe expansion cards finishes.
For example, in Fig. 4, treat expansion equipment can be first by value initial configuration such as the following table of low 2 of the I2C address of each device on the I2C bus in each PCIe expansion card:
| PCIe expansion card numbering | 1 | 2 | 3 | 4 | 5 |
| I2C bus address low 2 | 00 | 01 | 10 | 11 | 11 |
After expansion equipment access expansion card 1-expansion card 3 finishes, while being about to access expansion card 4, the value of low 2 of the I2C address of each device on the I2C bus in expansion card 5 can be configured to the different value of value of low 2 of the I2C address of each device on the I2C bus interior with expansion card 4, as 00, as shown in the table:
| PCIe expansion card numbering | 1 | 2 | 3 | 4 | 5 |
| I2C bus address low 2 | 00 | 01 | 10 | 11 | 00 |
After expansion equipment access expansion card 4 finishes, while being about to access expansion card 5, can be 11 by the value recovery configuring of low 2 of the I2C address of each device on the I2C bus in expansion card 5, the value of low 2 of the I2C address of each device on the I2C bus in expansion card 4 is configured to other value, as 00, as shown in the table:
| PCIe expansion card numbering | 1 | 2 | 3 | 4 | 5 |
| I2C bus address low 2 | 00 | 01 | 10 | 00 | 11 |
After expansion equipment access expansion card 5 finishes, can return to initial configuration, as shown in the table:
| PCIe expansion card numbering | 1 | 2 | 3 | 4 | 5 |
| I2C bus address low 2 | 00 | 01 | 10 | 11 | 11 |
The address above mentioned time-sharing multiplex scheme that the embodiment of the present invention provides is only an example, also can adopt other scheme in other embodiments of the invention, the level of pin able to programme be about to the interior controller of the level of pin able to programme of the controller in accessed expansion card and other expansion card as long as guarantee is different.
Visible, as to adopt the embodiment of the present invention to provide method, can solve the problem for the treatment of the failure of expansion equipment access expansion card that the management bus address conflict causes when expansion equipment connects a plurality of expansion card.
Based on same inventive concept, according to the communication means that the above embodiment of the present invention provides, correspondingly, the embodiment of the present invention also provides a kind of expansion equipment for the treatment of, its structural representation as shown in Figure 8, specifically comprises:
Transmitting element 801, send the access request message of carrying the management bus address for each device on the management bus in a plurality of expansion cards;
Receiving element 802, the response message that the identical device in management bus address carried for receiving management bus address and this request of access returns;
Wherein, partly or entirely the level of the N of the controller in an expansion card pin able to programme be treat expansion equipment according to the quantity M of expansion card and the plurality of expansion card respectively the relation of the minimum value N in corresponding address size be configured, and specify the level of the individual pin able to programme of N of the controller in level and other expansion card of N pin able to programme of the controller in expansion card not identical; The level of the N of the controller in each an expansion card pin able to programme has characterized the value of specifying the N position in the configurable position of management bus address of each device on the management bus in this expansion card.
Further, this treats expansion equipment, also comprises dispensing unit 803, specifically for the quantity M according to expansion card and 2
NMagnitude relationship, the level of the N of the controller in part or all of expansion card pin able to programme is configured.
Further, dispensing unit 803, specifically be less than or equal to 2 for the quantity M when expansion card
NThe time, the level of the individual pin able to programme of N that configures the controller in level and other expansion card of N pin able to programme of the controller in each expansion card is not identical; When the quantity M of expansion card is greater than 2
NThe time, the level of the pin able to programme of the N by the controller in part or all of expansion card is configured, and the level of the individual pin able to programme of N of the controller in the level that reaches N the pin able to programme that is about to the controller in accessed expansion card and other expansion card is not identical.
Further, dispensing unit 803, also be used to obtaining the identification information of the controller in the plurality of expansion card; According to the identification information of the controller in pre-stored expansion card and the corresponding relation of address size, determine address size corresponding to the plurality of expansion card difference; And, in address size corresponding to the plurality of expansion card difference of determining, determine minimum value N wherein.
Based on same inventive concept, the collocation method of the management bus address provided according to the above embodiment of the present invention, correspondingly, the embodiment of the present invention also provides the inking device of a kind of management bus address, and its structural representation as shown in Figure 9, specifically comprises:
Determining unit 901, distinguish the relation of the minimum value N of corresponding address size for determining the quantity M that treats the expansion card that expansion equipment connects and each expansion card be connected; The address size that each expansion card is corresponding is the minimum value of the figure place of configurable position in the management bus address of each device on the management bus in this expansion card;
Dispensing unit 902, for the relation according to determining, the level of the pin able to programme of the N by the controller in part or all of expansion card is configured, and the level of the individual pin able to programme of N of the controller in the level that reaches N the pin able to programme of specifying the controller in expansion card and other expansion card is not identical; The level of the N of the controller in each an expansion card pin able to programme has characterized the value of specifying the N position in the management bus address of each device on the management bus in this expansion card in configurable position.
Further, determining unit 901, specifically for determining the quantity M and 2 that treats the expansion card that expansion equipment connects
NMagnitude relationship, N treats each expansion card that expansion equipment connects minimum value in corresponding address size respectively.
Further, dispensing unit 902, specifically treat that for working as the quantity M of the expansion card that expansion equipment connects is less than or equal to 2
NThe time, the level of the individual pin able to programme of N that configures the controller in level and other expansion card of N pin able to programme of the controller in each expansion card is not identical; When the quantity M that treats the expansion card that expansion equipment connects is greater than 2
NThe time, the level of the pin able to programme of the N by the controller in part or all of expansion card is configured, and the level of the individual pin able to programme of N of the controller in the level that reaches N the pin able to programme that is about to the controller in accessed expansion card and other expansion card is not identical.
Further, determining unit 901, also be used to obtaining the identification information for the treatment of the controller in each expansion card that expansion equipment connects; According to the identification information of the controller in pre-stored expansion card and the corresponding relation of address size, determine address size corresponding to each expansion card difference; And, in address size corresponding to each expansion card difference of determining, determine minimum value N wherein.
The function of above-mentioned each unit can, corresponding to the respective handling step in Fig. 3 or flow process shown in Figure 5, not repeat them here.
In sum, the scheme that the embodiment of the present invention provides, comprise and treat expansion equipment and a plurality of expansion card, wherein: treat that expansion equipment passes through management bus port and connect the plurality of expansion card, and connect respectively the plurality of expansion card by a plurality of Extended Capabilities Port; N address pins of each device on the management bus in the N of the controller in each an expansion card pin able to programme and this expansion card be corresponding being connected one by one, and the N of each a device address pins is the address pins of appointment N position correspondence in configurable of management bus address of this device; N is the minimum value in address size corresponding to the plurality of expansion card difference; The address size that each expansion card is corresponding is the minimum value of figure place of configurable position of the management bus address of each device on the management bus in this expansion card.The scheme that adopts the embodiment of the present invention to provide, solved the problem for the treatment of the failure of expansion equipment access expansion card that the management bus address conflict causes when expansion equipment connects a plurality of expansion card.
Obviously, those skilled in the art can carry out various changes and modification and not break away from the spirit and scope of the present invention the present invention.Like this, if within of the present invention these are revised and modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention also is intended to comprise these changes and modification interior.
Claims (18)
1. an expanding system, is characterized in that, comprise and treat expansion equipment and a plurality of expansion card, wherein:
Describedly treat that expansion equipment passes through management bus port and connect described a plurality of expansion cards, and connect respectively described a plurality of expansion card by a plurality of Extended Capabilities Port;
N address pins of each device on the management bus in the N of the controller in each an expansion card pin able to programme and this expansion card be corresponding being connected one by one, and the N of each a device address pins is the address pins of appointment N position correspondence in configurable of management bus address of this device; N is the minimum value in address size corresponding to described a plurality of expansion card difference; The address size that each expansion card is corresponding is the minimum value of figure place of configurable position of the management bus address of each device on the management bus in this expansion card.
2. the system as claimed in claim 1, is characterized in that, described pin able to programme is specially universal input output GPIO pin.
3. the communication means of an expanding system as claimed in claim 1, is characterized in that, comprising:
Treat that expansion equipment sends the access request message of carrying the management bus address to each device on the management bus in a plurality of expansion cards;
The response message that the identical device in management bus address carried in receiving management bus address and described request of access returns;
Wherein, partly or entirely the level of the N of the controller in an expansion card pin able to programme be treat expansion equipment according to the quantity M of expansion card and described a plurality of expansion card respectively the relation of the minimum value N in corresponding address size be configured, and specify the level of the individual pin able to programme of N of the controller in level and other expansion card of N pin able to programme of the controller in expansion card not identical; The level of the N of the controller in each an expansion card pin able to programme has characterized the value of specifying the N position in the configurable position of management bus address of each device on the management bus in this expansion card.
4. method as claimed in claim 3, is characterized in that, partly or entirely the level of N pin able to programme of the controller in expansion card, be specially and treat the quantity M and 2 of expansion equipment according to expansion card
NMagnitude relationship be configured.
5. method as claimed in claim 4, is characterized in that, partly or entirely the level of N pin able to programme of the controller in expansion card is specifically determined in the following way:
When the quantity M of expansion card is less than or equal to 2
NThe time, treat that expansion equipment configures the level of the individual pin able to programme of N of the controller in level and other expansion card of N pin able to programme of the controller in each expansion card not identical;
When the quantity M of expansion card is greater than 2
NThe time, the level for the treatment of the N of expansion equipment by the controller in a part or all of expansion card pin able to programme is configured, and the level of the individual pin able to programme of N of the controller in the level that reaches N the pin able to programme that is about to the controller in accessed expansion card and other expansion card is not identical.
6. described method as arbitrary as claim 3-5, is characterized in that, described a plurality of expansion cards are distinguished the minimum value N in corresponding address size, specifically determine in the following way:
Treat that expansion equipment obtains the identification information of the controller in described a plurality of expansion card;
According to the identification information of the controller in pre-stored expansion card and the corresponding relation of address size, determine address size corresponding to described a plurality of expansion card difference; And
In address size corresponding to described a plurality of expansion cards difference of determining, determine minimum value N wherein.
7. the collocation method of the management bus address of device in an expanding system as claimed in claim 1, is characterized in that, comprising:
Determine that the quantity M treat the expansion card that expansion equipment connects and each expansion card be connected distinguish the relation of the minimum value N in corresponding address size; The address size that each expansion card is corresponding is the minimum value of the figure place of configurable position in the management bus address of each device on the management bus in this expansion card;
According to the described relation of determining, the level of the pin able to programme of the N by the controller in part or all of expansion card is configured, and the level of the individual pin able to programme of N of the controller in the level that reaches N the pin able to programme of specifying the controller in expansion card and other expansion card is not identical; The level of the N of the controller in each an expansion card pin able to programme has characterized the value of specifying the N position in the management bus address of each device on the management bus in this expansion card in configurable position.
8. method as claimed in claim 7, is characterized in that, determines that the quantity M treat the expansion card that expansion equipment connects and each expansion card be connected distinguish the relation of the minimum value N in corresponding address size, is specially:
Determine the quantity M and 2 that treats the expansion card that expansion equipment connects
NMagnitude relationship, described N is described each expansion card that expansion equipment connects minimum value in corresponding address size respectively for the treatment of.
9. method as claimed in claim 8, it is characterized in that, according to the described relation of determining, the level of the pin able to programme of the N by the controller in part or all of expansion card is configured, the level of the individual pin able to programme of N of the controller in the level that reaches N the pin able to programme of specifying the controller in expansion card and other expansion card is not identical, is specially:
When the quantity M that treats the expansion card that expansion equipment connects is less than or equal to 2
NThe time, the level of the individual pin able to programme of N that configures the controller in level and other expansion card of N pin able to programme of the controller in each expansion card is not identical;
When the quantity M that treats the expansion card that expansion equipment connects is greater than 2
NThe time, the level of the pin able to programme of the N by the controller in part or all of expansion card is configured, and the level of the individual pin able to programme of N of the controller in the level that reaches N the pin able to programme that is about to the controller in accessed expansion card and other expansion card is not identical.
10. described method as arbitrary as claim 7-9, is characterized in that, treats each expansion card that expansion equipment connects minimum value N in corresponding address size respectively, specifically determines in the following way:
Obtain the identification information for the treatment of the controller in each expansion card that expansion equipment connects;
According to the identification information of the controller in pre-stored expansion card and the corresponding relation of address size, determine address size corresponding to each expansion card difference; And
In address size corresponding to each expansion card difference of determining, determine minimum value N wherein.
11. treat expansion equipment in an expanding system as claimed in claim 1, it is characterized in that, comprising:
Transmitting element, send the access request message of carrying the management bus address for each device on the management bus in a plurality of expansion cards;
Receiving element, the response message that the identical device in management bus address carried for receiving management bus address and described request of access returns;
Wherein, partly or entirely the level of the N of the controller in an expansion card pin able to programme be treat expansion equipment according to the quantity M of expansion card and described a plurality of expansion card respectively the relation of the minimum value N in corresponding address size be configured, and specify the level of the individual pin able to programme of N of the controller in level and other expansion card of N pin able to programme of the controller in expansion card not identical; The level of the N of the controller in each an expansion card pin able to programme has characterized the value of specifying the N position in the configurable position of management bus address of each device on the management bus in this expansion card.
12. equipment as claimed in claim 11, is characterized in that, also comprises dispensing unit, specifically for the quantity M according to expansion card and 2
NMagnitude relationship, the level of the N of the controller in part or all of expansion card pin able to programme is configured.
13. equipment as claimed in claim 12, is characterized in that, described dispensing unit specifically is less than or equal to 2 for the quantity M when expansion card
NThe time, the level of the individual pin able to programme of N that configures the controller in level and other expansion card of N pin able to programme of the controller in each expansion card is not identical; When the quantity M of expansion card is greater than 2
NThe time, the level of the pin able to programme of the N by the controller in part or all of expansion card is configured, and the level of the individual pin able to programme of N of the controller in the level that reaches N the pin able to programme that is about to the controller in accessed expansion card and other expansion card is not identical.
14. described equipment as arbitrary as claim 11-13, is characterized in that, described dispensing unit, also be used to obtaining the identification information of the controller in described a plurality of expansion card; According to the identification information of the controller in pre-stored expansion card and the corresponding relation of address size, determine address size corresponding to described a plurality of expansion card difference; And, in address size corresponding to described a plurality of expansion cards difference of determining, determine minimum value N wherein.
15. in an expanding system as claimed in claim 1, the inking device of the management bus address of device, is characterized in that, comprising:
Determining unit, distinguish the relation of the minimum value N of corresponding address size for determining the quantity M that treats the expansion card that expansion equipment connects and each expansion card be connected; The address size that each expansion card is corresponding is the minimum value of the figure place of configurable position in the management bus address of each device on the management bus in this expansion card;
Dispensing unit, for the described relation according to determining, the level of the pin able to programme of the N by the controller in part or all of expansion card is configured, and the level of the individual pin able to programme of N of the controller in the level that reaches N the pin able to programme of specifying the controller in expansion card and other expansion card is not identical; The level of the N of the controller in each an expansion card pin able to programme has characterized the value of specifying the N position in the management bus address of each device on the management bus in this expansion card in configurable position.
16. device as claimed in claim 15, is characterized in that, described determining unit, specifically for determining the quantity M and 2 that treats the expansion card that expansion equipment connects
NMagnitude relationship, described N is described each expansion card that expansion equipment connects minimum value in corresponding address size respectively for the treatment of.
17. device as claimed in claim 16, is characterized in that, described dispensing unit specifically treats that for working as the quantity M of the expansion card that expansion equipment connects is less than or equal to 2
NThe time, the level of the individual pin able to programme of N that configures the controller in level and other expansion card of N pin able to programme of the controller in each expansion card is not identical; When the quantity M that treats the expansion card that expansion equipment connects is greater than 2
NThe time, the level of the pin able to programme of the N by the controller in part or all of expansion card is configured, and the level of the individual pin able to programme of N of the controller in the level that reaches N the pin able to programme that is about to the controller in accessed expansion card and other expansion card is not identical.
18. described device as arbitrary as claim 15-17, is characterized in that, described determining unit, also be used to obtaining the identification information for the treatment of the controller in each expansion card that expansion equipment connects; According to the identification information of the controller in pre-stored expansion card and the corresponding relation of address size, determine address size corresponding to each expansion card difference; And, in address size corresponding to each expansion card difference of determining, determine minimum value N wherein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310320009.6A CN103412838B (en) | 2013-07-26 | 2013-07-26 | A kind of expanding system, communication means, address configuration method, equipment and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310320009.6A CN103412838B (en) | 2013-07-26 | 2013-07-26 | A kind of expanding system, communication means, address configuration method, equipment and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103412838A true CN103412838A (en) | 2013-11-27 |
| CN103412838B CN103412838B (en) | 2016-03-30 |
Family
ID=49605851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310320009.6A Active CN103412838B (en) | 2013-07-26 | 2013-07-26 | A kind of expanding system, communication means, address configuration method, equipment and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103412838B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104899177A (en) * | 2015-06-30 | 2015-09-09 | 深圳市兰丁科技有限公司 | I2C (inter-integrated circuit) equipment control method and system |
| CN106294255A (en) * | 2016-08-04 | 2017-01-04 | 杭州智蚁科技有限公司 | A kind of synchronized communication method for Intelligent hardware and communication system |
| CN109787688A (en) * | 2017-11-15 | 2019-05-21 | 华为技术有限公司 | Communication equipment, pluggable optical module, communication system, method and storage medium |
| CN113014339A (en) * | 2021-02-20 | 2021-06-22 | 山东英信计算机技术有限公司 | Quality test method, device and equipment for PCIe external plug-in card receiving channel |
| CN114756500A (en) * | 2021-07-28 | 2022-07-15 | 义明科技股份有限公司 | Master-slave system and sub-integrated circuit thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1076533A (en) * | 1992-03-18 | 1993-09-22 | 万文腾 | The address extension of computer information processing system |
| US20090006683A1 (en) * | 2007-06-26 | 2009-01-01 | International Business Machines Corporation | Static power reduction for midpoint-terminated busses |
| CN102012879A (en) * | 2010-12-10 | 2011-04-13 | 上海申瑞电力科技股份有限公司 | High-capacity data acquisition device and data transmission method thereof |
| CN102567267A (en) * | 2010-12-31 | 2012-07-11 | 北京大唐高鸿数据网络技术有限公司 | Method for expanding time division multiplexing (TDM) bus |
-
2013
- 2013-07-26 CN CN201310320009.6A patent/CN103412838B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1076533A (en) * | 1992-03-18 | 1993-09-22 | 万文腾 | The address extension of computer information processing system |
| US20090006683A1 (en) * | 2007-06-26 | 2009-01-01 | International Business Machines Corporation | Static power reduction for midpoint-terminated busses |
| CN102012879A (en) * | 2010-12-10 | 2011-04-13 | 上海申瑞电力科技股份有限公司 | High-capacity data acquisition device and data transmission method thereof |
| CN102567267A (en) * | 2010-12-31 | 2012-07-11 | 北京大唐高鸿数据网络技术有限公司 | Method for expanding time division multiplexing (TDM) bus |
Non-Patent Citations (3)
| Title |
|---|
| 吴怀超 等: "MCS-51单片机扩展系统编址问题探讨", 《微处理机》 * |
| 王智 等: "基于PCI总线的多串口扩展卡设计", 《通信技术》 * |
| 王雪琨 等: "基于PCI2050B总线扩展系统的实现", 《化工自动化及仪表》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104899177A (en) * | 2015-06-30 | 2015-09-09 | 深圳市兰丁科技有限公司 | I2C (inter-integrated circuit) equipment control method and system |
| CN104899177B (en) * | 2015-06-30 | 2018-03-16 | 深圳市兰丁科技有限公司 | A kind of I2C apparatus control methods and system |
| CN106294255A (en) * | 2016-08-04 | 2017-01-04 | 杭州智蚁科技有限公司 | A kind of synchronized communication method for Intelligent hardware and communication system |
| CN109787688A (en) * | 2017-11-15 | 2019-05-21 | 华为技术有限公司 | Communication equipment, pluggable optical module, communication system, method and storage medium |
| CN113014339A (en) * | 2021-02-20 | 2021-06-22 | 山东英信计算机技术有限公司 | Quality test method, device and equipment for PCIe external plug-in card receiving channel |
| CN114756500A (en) * | 2021-07-28 | 2022-07-15 | 义明科技股份有限公司 | Master-slave system and sub-integrated circuit thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103412838B (en) | 2016-03-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7603501B2 (en) | Communication circuit of serial peripheral interface devices | |
| CN106557340B (en) | Configuration method and device | |
| US8521929B2 (en) | Virtual serial port management system and method | |
| CN100566278C (en) | Slave unit in the communication system of using serial data transfer bus | |
| EP2388960B1 (en) | Intelligent bus address self-configuration in a multi-module system | |
| US8484416B2 (en) | High availability raid using low-cost direct attached raid controllers | |
| US10372639B2 (en) | System and method to avoid SMBus address conflicts via a baseboard management controller | |
| US8700814B2 (en) | Intelligent bus address self-configuration in a multi-module system | |
| CN102388357B (en) | Method and system for accessing memory device | |
| CN103412838B (en) | A kind of expanding system, communication means, address configuration method, equipment and device | |
| US10614011B2 (en) | Apparatus, method, and electronic device for implementing solid-state drive data interaction | |
| TW201321983A (en) | Plug and play module, electronic system and determining method and inquiry method therefore | |
| CN103092798A (en) | On-chip system and method for accessing to equipment under bus | |
| CN107193763A (en) | The method and electronic equipment of a kind of information processing | |
| CN103098039A (en) | High-speed peripheral-device interconnected-bus port configuration method and apparatus | |
| CN110704350A (en) | Resource management method and device, electronic equipment and storage medium | |
| CN105068955A (en) | Local bus structure and data interaction method | |
| CN102393838A (en) | Data processing method and device, PCI-E (peripheral component interface-express) bus system, and server | |
| CN107666658B (en) | Determining a physical location of an electronic device | |
| CN104360973A (en) | Communicating system, communicating method and relevant communicating devices | |
| CN111258763B (en) | Server system and control method and device thereof | |
| US20140359193A1 (en) | Interface transmission device | |
| JP5458312B2 (en) | Intelligent bus address self-configuration in multi-module systems | |
| CN104899164B (en) | Address addressing method for integrated circuit bus, integrated circuit bus device and system | |
| CN109144578B (en) | Display card resource allocation method and device based on Loongson computer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |