CN103577359A - System supporting double master control devices to access interface devices and power management method of system - Google Patents
System supporting double master control devices to access interface devices and power management method of system Download PDFInfo
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- CN103577359A CN103577359A CN201210254034.4A CN201210254034A CN103577359A CN 103577359 A CN103577359 A CN 103577359A CN 201210254034 A CN201210254034 A CN 201210254034A CN 103577359 A CN103577359 A CN 103577359A
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Abstract
The invention provides a system supporting double master control devices to access interface devices and a power management method of the system. The system comprises the first master control device, the second master control device and at least one interface device, wherein the interface devices are serially connected between the first master control device and the second master control device in a daisy-chaining mode, and each interface device comprises a buffer for recording marks. When the first master control device or the second master control device needs to access the interface devices, the marks recorded in the buffer of each interface device are firstly checked, data links among the first master control device or the second master control device and the interface devices are closed, and the running mode of the interface devices is restored to a normal running mode, so that data are accessed.
Description
Technical field
The present invention relates to a kind of data transmission system and method for managing power supply technology thereof, relate in particular to a kind of system and method for managing power supply thereof of supporting dual master control device access interface device.
Background technology
In order to allow, between operating system (OS) and hardware, there is a common power-management interface, Microsoft (Microsoft) company and Intel (Intel) company propose a kind of advanced configuration and power interface (Advanced Configuration and Power Interface, ACPI) standard, it can be according to the interaction between user and operating system, with OS, replace Basic Input or Output System (BIOS) (Basic Input/Output System, BIOS) carry out managing electrical power, use the efficiency that increases power management.Wherein, when OS finds that certain equipment component of current computing machine does not use, just can reduce or remove its function to save electric power.
ACPI standard is the direct power management of operating system (Operating System-directed Power Management, OSPM) major technique in model, it mainly provides 3 operations (runtime) assemblies such as ACPI form, ACPI buffer and ACPI BIOS.In OSPM model, OS can directly do the conversion of power supply status to all equipment.In general, OS be all the setting of reference applications or user's setting as whether entering the foundation of battery saving mode, and then use above-mentioned ACPI assembly to remove the power supply status of opertaing device.
The power supply status of the said equipment mainly can be distinguished following four kinds:
D0: open completely, equipment can respond completely, and normal operation;
D1: save part power supply, different device can have different specification;
D2: except saving power supply, also can close some functions of the equipments further to save electric power, different device can have different specification;
D3: power supply is removed from equipment, complete closing device power supply, general restart facility can need the long time.
Different equipment has different power supply power down modes conventionally, and the switching of these power supply statuss can be switched by driver or the software of equipment, is all generally that driver by equipment sends instructions to equipment and switches its operational mode.Yet above-mentioned power management only limits to the equipment component in device to do and switch, and switches, to reach the data access of dual master control device to same-interface device and fail to extend to the partial devices in whole data system is done.
Summary of the invention
In view of this, the present invention proposes a kind of system and method for managing power supply thereof of supporting dual master control device access interface device, by adjust the power supply status of equipment in operation (runtime) stage, to support the identical interface arrangement of dual master control device access, and can reach electricity saving function.
The present invention proposes a kind of system of supporting dual master control device access interface device, and it comprises the first master control set, the second master control set and at least one interface arrangement.Wherein, described interface arrangement is to adopt daisy chaining to be serially connected between the first master control set and the second master control set, and each interface arrangement comprises recording the buffer of mark (Semaphore).When the first master control set and the second master control set, one of them wants described in access interface arrangement, can first check the mark recording in the buffer of each interface arrangement, in order to the data link between the first master control set and the second master control set another and described interface arrangement is wherein closed, and the operational mode of interface arrangement is returned to normal operation mode to carry out data access.
In one embodiment of this invention, when the first above-mentioned master control set or the second master control set stop access interface device, mark is revised as to unmanned use, and the operational mode of interface arrangement is switched to the operation phase closes (runtime D3) pattern.
In one embodiment of this invention, when interface arrangement described in the first above-mentioned master control set is wanted access and check be labeled as unmanned use time, mark is revised as to the first master control set to be used, and the operational mode of described interface arrangement is returned to normal operation mode, with docking port device, carry out data access.
In one embodiment of this invention, when interface arrangement described in the second above-mentioned master control set is wanted access and check be labeled as unmanned use time, revise this and be labeled as the second master control set use, and the operational mode of described interface arrangement is returned to normal operation mode, with docking port device, carry out data access.
In one embodiment of this invention, the privilege of access of the first above-mentioned master control set power is higher than the second master control set.Wherein, when the first master control set want access interface device and check be labeled as the second master control set and use time, mark is revised as and forces the first master control set to use, so that the data link between the second master control set and interface arrangement is closed, and after this data link is closed, mark is revised as to the first master control set and uses, with docking port device, carry out data access; And when the second master control set want access interface device and check be labeled as the first master control set and use time, stop docking port device and carry out data access.
In one embodiment of this invention, the first above-mentioned master control set is by supporting the transmission interface of double-channel data transmission to be connected in series with interface arrangement, and the first channel providing by this transmission interface and second channel transmission data.Wherein, described transmission interface is thunderbolt interface.
In one of the present invention embodiment, above-mentioned interface arrangement comprises the first kind interface arrangement that is suitable for using the first channel transmission data, and the Equations of The Second Kind interface arrangement that is suitable for using second channel transmission data.
In one embodiment of this invention, the second above-mentioned master control set system is connected in series with described first kind interface arrangement and Equations of The Second Kind interface arrangement by transmission interface, and according to data access demand, switch the data route between itself and first kind interface arrangement and Equations of The Second Kind interface arrangement, to transmit data by the first channel and first kind interface arrangement, or by second channel and Equations of The Second Kind interface arrangement transmission data.
In one embodiment of this invention, above-mentioned interface arrangement comprises graphic processing facility, display device, storage device or programmer.
The present invention proposes a kind of method for managing power supply of supporting the system of dual master control device access interface device, the system that is applicable to comprise the first master control set, at least one interface arrangement and the second master control set that adopt daisy chaining serial connection, wherein each interface arrangement comprises recording the buffer of mark.The method is when at the first master control set and the second master control set, one of them wants access interface device, check the mark recording in the buffer of each interface arrangement, in order to the data link between the first master control set and the second master control set another and interface arrangement is wherein closed, and the operational mode of interface arrangement is returned to normal operation mode to carry out data access.And when the first master control set or the second master control set stop access interface device, mark is revised as to unmanned use, and the operational mode of interface arrangement is switched to operation phase " shut " mode".
In one embodiment of this invention, when interface arrangement described in the first above-mentioned master control set is wanted access and check be labeled as unmanned use time, mark is revised as to the first master control set and uses, and the operational mode of interface arrangement is returned to normal operation mode with docking port device, carry out data access.
In one embodiment of this invention, when the second above-mentioned master control set want access interface device and check be labeled as unmanned use time, mark is revised as to the second master control set and uses, and the operational mode of interface arrangement is returned to normal operation mode, with docking port device, carry out data access.
In one embodiment of this invention, the first above-mentioned master control set is by supporting the transmission interface of double-channel data transmission to be connected in series with interface arrangement, and the first channel providing by this transmission interface and second channel transmission data.Wherein, described transmission interface is thunderbolt interface.
In one embodiment of this invention, above-mentioned method for managing power supply also comprises by the second master control set according to data access demand, switch the data route between at least one first kind interface arrangement and at least one Equations of The Second Kind interface arrangement in itself and interface arrangement, to transmit data by the first channel and first kind interface arrangement, or by second channel and Equations of The Second Kind interface arrangement transmission data, wherein first kind interface arrangement is suitable for using the first channel transmission data, and Equations of The Second Kind interface arrangement is suitable for using second channel transmission data.
In one embodiment of this invention, above-mentioned interface arrangement comprises graphic processing facility, display device, storage device or programmer.
Based on above-mentioned, the system of support dual master control device access interface device of the present invention and method for managing power supply thereof are to provide dual master control device serial connection interface arrangement are wherein carried out to data access.Wherein, by record its current use state on interface arrangement, when having master control set to want access interface device, can whether determine the data link of down interface device and another master control set according to this mark, thereby docking port device carries out data access; And when access finishes, control interface device enters the operation phase and closes (runtime D3) pattern, to save electric power.By this, the present invention not only can support the identical interface arrangement of dual master control device access, also can reach electricity saving function.
For above-mentioned feature and advantage of the present invention can be become apparent, special embodiment below, and coordinate accompanying drawing to be described in detail below.
Accompanying drawing explanation
Fig. 1 is the control platform schematic diagram of closing the shown operation phase of one embodiment of the invention;
Fig. 2 is the block diagram of the system of the shown support dual master control of first embodiment of the invention device access interface device;
Fig. 3 is the method for managing power supply process flow diagram of the system of the shown support dual master control of first embodiment of the invention device access interface device;
Fig. 4 is the state machine diagram of shown the first master control set of first embodiment of the invention;
Fig. 5 is the state machine diagram of shown the second master control set of first embodiment of the invention;
Fig. 6 is the block diagram of the system of the shown support dual master control of second embodiment of the invention device access interface device;
Fig. 7 is the block diagram of the system of the shown support dual master control of third embodiment of the invention device access interface device.
Description of reference numerals:
10: control platform;
12: platform control module;
14: controlled device;
16,18: switch;
20,60,70: system;
22,62,72: the first master control sets;
222,242,262,622,642,662,722,742,762,782: controller;
224,244,246,264,266,624,644,646,664,666,724,744,746,764,766,784,786: interface port;
24,64,74: the second master control sets;
26,66: interface arrangement;
268,668,768,788: buffer;
40,50: state machine;
748: multiplexer;
76: first kind interface arrangement;
78: Equations of The Second Kind interface arrangement;
S302-S304: the method for managing power supply step of the system of the support dual master control device access interface device of first embodiment of the invention.
Embodiment
The technology that operation phase is closed (Runtime D3) is to provide operating system when the power supply of certain equipment is closed completely, can in 300 milliseconds, the operational mode of this equipment be returned to normal operation mode and access in addition.The present invention is about to this technology and is applied in the system that comprises two master control sets, makes two master control sets all can access be connected in series interface arrangement wherein.Wherein, when having master control set to need access interface device, be the mark (Semaphore) of first access record in interface arrangement, and being connected between down interface device and another master control set according to this, the operational mode of interface arrangement is switched to normal operation mode, get final product afterwards access interface device; When master control set finishes access, the operational mode of interface arrangement is switched to operation phase " shut " mode", to wait for the access of master control set next time, thereby reach electricity saving function.
Fig. 1 is the control platform schematic diagram of closing the shown operation phase of one embodiment of the invention.Please refer to Fig. 1, the control platform 10 of the present embodiment comprises platform control module (Platform Controller Hub, PCH) 12 and controlled device 14.Wherein, platform control module 12 is for example the South Bridge chip of being responsible for controlling various I/O and storage interface, and it comprises that primary power is controlled stitch DevN_Core_PwCtl, attached power supply is controlled stitch DevN_Aux_PwCtl, device replacement stitch DevN_Reset# and device wake stitch DevN_Wake#.Controlled device 14 is for example certain equipment in device or device independently, and it comprises primary power stitch VDD_Core, attached power supply stitch VDD_Aux, replacement stitch Reset# and wakes stitch Wake# up.Wherein, stitch DevN_Core_PwCtl controlled by the primary power of platform control module 12 and attached power supply is controlled the control end that stitch DevN_Aux_PwCtl couples respectively switch 16 and 18, thereby control, offers the primary power stitch VDD_Core of controlled device 14 and the power vd D of attached power supply stitch VDD_Aux.By above-mentioned framework, can connect online, at any time the functions such as (Always on, always connected, AOAC) and fast quick-recovery by implement device always.
The first embodiment
Fig. 2 is the block diagram of the system of the shown support dual master control of first embodiment of the invention device access interface device.Please refer to Fig. 2, the system 20 of the present embodiment comprises the first master control set 22, the second master control set 24, and adopts daisy chaining to be serially connected in the interface arrangement 26 between the first master control set 22 and the second master control set 24.
The first master control set 22 and the second master control set 24 be such as being the end devices such as desk-top computer, notebook, workstation, comprising processor and various IO interface, and can connecting interface equipment, and processes the program of user's operation.In the first master control set 22 and the second master control set 24, also the storage facilitiess such as internal memory or hard disk can be comprised, and program or other data that processor moves can be stored.In one embodiment, the first master control set 22 is for example user's notebook, and the data that can provide the user of local side to be used in access interface device 26; The second 24 of master control sets are for example cloud servers, and it possesses network connecting function, and can provide long-range user to carry out the data in access interface device 26 by network, at this, does not limit.
The first master control set 22 comprises controller 222 and interface port 224, and it is to be connected in series (by interface port 224, being connected in series with the interface port 264 of interface arrangement 26) with interface arrangement 26 by transmission interface, to transmit data; The second master control set 24 comprises controller 242 and interface port 244,246, and it is to be connected in series (by interface port 244, being connected in series with the interface port 266 of interface arrangement 26) with interface arrangement 26 by transmission interface, to transmit data.
Wherein, when when the first master control set 22 and the second master control set 24, one of them wants access interface device 26, for example a universal input output (General Purpose Input/Output by not being used in transmission interface, GPIO) stitch checks the mark recording in the buffer 268 of interface arrangement 26, and according to this data link between the first master control set 22 and the second master control set 24 another and interface arrangement 26 is wherein closed, and start interface arrangement 26 to carry out data access.
Particularly, Fig. 3 is the method for managing power supply process flow diagram of the system of the shown support dual master control of first embodiment of the invention device access interface device.Please refer to Fig. 3, the method for managing power supply of the present embodiment is applicable to the system 20 of above-described embodiment, is below the every assembly in combined system 20, and the detailed step of method for managing power supply is described:
When the first master control set 22 and the second master control set 24, one of them wants access interface device 26, can first check the mark recording in the buffer 268 of interface arrangement 26, and according to this data link between another device in the first master control set 22 and the second master control set 24 and interface arrangement 26 is closed, and interface arrangement 26 is started to carry out data access (step S302).Wherein, the first master control set 22 and the second master control set 24 are if return to normal operation mode to carry out data access by the operational mode of interface arrangement 26.
On the other hand, when the first master control set 22 or the second master control set 24 stop access interface device 26, the mark of record in the buffer of interface arrangement 26 268 can be revised as to unmanned use, and control interface device 26 enters operation phase " shut " mode" (step S304), to wait for access next time.Wherein, the first master control set 22 and the second master control set 24 are if adopt the control platform architecture in above-mentioned Fig. 1, and come control interface device 26 to enter operation phase " shut " mode" by platform control module (not shown) own, or return to normal operation mode by operation phase " shut " mode".
It should be noted that, the present embodiment is further divided into the mark zone of record in the buffer of interface arrangement 26 268 unmanned use of logical zero 0 representative; Logical zero 1 represents that the first master control set is used; Logical one 1 represents that the second master control set is used; Logical one 0 represents that the second master control set is used but the first master control set is preferentially used and waits four kinds, and can be for the first master control set 22 and the second master control set 24 accesses with decision subsequent action.Wherein, the corresponding mark kind of above-mentioned logical signal is only for illustrating, and is not limited to this.
When the first master control set 22 is wanted access interface device 26, if it checks be labeled as unmanned while using (being logical zero 0), mark can be revised as to the first master control set 22 and use (being logical zero 1), and the operational mode of interface arrangement 26 is returned to normal operation mode, with docking port device 26, carry out data access; And when the second master control set 24 is wanted access interface device 26, if it checks be labeled as unmanned while using (being logical zero 0), mark can be revised as to the second master control set 24 and use (being logical one 1), and the operational mode of interface arrangement 26 is returned to normal operation mode, with docking port device 26, carry out data access.
It should be noted that, the present embodiment also can further define the privilege of access power of the first master control set 22 and the second master control set 24, makes the privilege of access power of the first master control set 22 higher than the second master control set 24.Accordingly, when the first master control set 22 or the second master control set 24 are wanted the data of access interface device 26, if interface arrangement 26 is unmanned, use (being logical zero 0), can directly wake interface arrangement 26 up to carry out data access; If interface arrangement 26 has been used (being logical zero 1 or 11), can further compare privilege of access power, to determine or carrying out data access by the second master control set 24 docking port devices 26 by the first master control set 22.
For instance, Fig. 4 is the state machine diagram of shown disappointed the first master control set of first embodiment of the invention, and Fig. 5 is the state machine diagram of shown the second master control set of first embodiment of the invention.Wherein, the privilege of access of the first master control set power is higher than the second master control set.Please also refer to Fig. 4, the state machine 40 of the present embodiment is applicable to the first master control set 22 in above-described embodiment.First, when the first master control set 22 is wanted access interface device (having activity), and the operational mode of interface arrangement 26 need to be returned to normal operation mode (D0) by operation phase " shut " mode" (RTD3) time, enter the flow process on Fig. 4 left side, the mark of record in the buffer 268 of the first master control set 22 access interface devices 26.
Wherein, when checked be labeled as unmanned while using (being logical zero 0) or the first master control set to use (being logical zero 1), the first master control set 22 can be revised as this mark the first master control set and use (being logical zero 1), thereby the operational mode of interface arrangement 26 is returned to normal operation mode (D1) by operation phase " shut " mode" (RTD3), so that it is carried out to data access; When checked when being labeled as the second master control set and using (being logical one 1), the first master control set 22 this mark can be revised as to the second master control set use but the first master control set is preferentially used (being logical one 0), with control interface device 26, its right to use is given back to the first master control set 22; When checked, be labeled as that the second master control set is used but the first master control set while preferentially using (being logical one 0), represent that interface arrangement 26 not yet gives back the right to use the first master control set 22, now the first master control set 22 can continue check mark again, until interface arrangement 26 is while giving back the first master control set 22 by the right to use, just mark can be revised as to the first master control set and use (being logical zero 1), thereby the operational mode of interface arrangement 26 is returned to normal operation mode (D0) by operation phase " shut " mode" (RTD3), to carry out data access.Wherein, at interface arrangement 26, return to normal operation mode (D0), and while carrying out data access by the first master control set 22, the first master control set 22 can continue to judge whether this access action finishes, if access action is continuously active still, interface arrangement 26 is maintained to normal operation mode (D0); If access action is stopped action, enter the flow process on Fig. 4 the right.
When the first master control set 22 stops access interface device (there is no activity), and the operational mode of interface arrangement 26 need to be switched to operation phase " shut " mode" (RTD3) by normal operation mode (D0) time, can enter the flow process on Fig. 4 the right, the mark of record in the buffer 268 of the first master control set 22 access interface devices 26.Wherein, when checked, be labeled as unmannedly while using (being logical zero 0) or the second master control set to use (being logical one 1), the first master control set 22 can switch to operation phase " shut " mode" (RTD3) by normal operation mode (D0) by the operational mode of interface arrangement 26; When checked when being labeled as the first master control set and using (being logical zero 1), the first master control set 22 can be revised as mark unmanned use (being logical zero 0), and the operational mode of interface arrangement 26 is switched to operation phase " shut " mode" (RTD3) by normal operation mode (D1); When checked, be labeled as that the second master control set is used but the first master control set while preferentially using (being logical one 0), the first master control set 22 can be revised as mark the second master control set and use (being logical one 1), and the operational mode of interface arrangement 26 is switched to operation phase " shut " mode" (RTD3) by normal operation mode (D1).Wherein, when interface arrangement 26 switches to operation phase " shut " mode" (RTD3), the first master control set 22 can continue to have judged whether access action, if there is no access action (there is no activity), interface arrangement 26 is maintained to operation phase " shut " mode" (RTD3), if and have other access action (having activity), the flow process that enters Fig. 4 left side.
Then, please refer to Fig. 5, the state machine 50 of the present embodiment is applicable to second master control set 24 of above-described embodiment.First, when the second master control set 24 is wanted access interface device 26 (having activity), and the operational mode of interface arrangement 26 need to be returned to normal operation mode (D0) by operation phase " shut " mode" (RTD3) time, can enter the flow process on Fig. 5 left side, the mark of record in the buffer 268 of the second master control set 24 access interface devices 26.Wherein, when checked be labeled as unmanned while using (being logical zero 0) or the second master control set to use (being logical one 1), the second master control set 24 can be revised as this mark the second master control set and use (being logical one 1), thereby the operational mode of interface arrangement 26 is returned to normal operation mode (D1) by operation phase " shut " mode" (RTD3), so that it is carried out to data access, when checked first master control set that is labeled as is used (being logical zero 1) or the second master control set to use but the first master control set while preferentially using (being logical one 0), represent that the first master control set 22 is being used, and because the privilege of access of the first master control set 22 is weighed higher than the second master control set 24, therefore the second master control set 24 can continue check mark, until the first master control set 22 stops access interface device 26, and that the mark of interface arrangement 26 is revised as by the first master control set 22 is unmanned while using (being logical zero 0), the second master control set 24 is just revised as this mark the second master control set and uses (being logical one 1), thereby the operational mode of interface arrangement 26 is returned to normal operation mode (D1) by operation phase " shut " mode" (RTD3), so that it is carried out to data access.Wherein, at interface arrangement 26, return to normal operation mode (D0), and while carrying out data access by the second master control set 24, the second master control set 24 can continue to judge whether this access action finishes, if access action is continuously active still, interface arrangement 26 is maintained to normal operation mode (D0); If access action is stopped action, enter the flow process on Fig. 5 the right.
When the second master control set 24 stops access interface device 26 (there is no activity), and the operational mode of interface arrangement 26 need to be switched to operation phase " shut " mode" (RTD3) by normal operation mode (D0) time, can enter the flow process on Fig. 5 the right, the mark of record in the buffer 268 of the second master control set 24 access interface devices 26.Wherein, when checked, be labeled as unmannedly while using (being logical zero 0) or the first master control set to use (being logical zero 1), the second master control set 24 can switch to operation phase " shut " mode" (RTD3) by normal operation mode (D0) by the operational mode of interface arrangement 26; When checked, be labeled as that the second master control set is used but the first master control set while preferentially using (being logical one 0) or the second master control set to use (being logical one 1), the second master control set 24 can be revised as mark unmanned use (being logical zero 0), and the operational mode of interface arrangement 26 is switched to operation phase " shut " mode" (RTD3) by normal operation mode (D1).Wherein, when control interface device 26 switches to operation phase " shut " mode" (RTD3), the second master control set 24 can continue to have judged whether access action, if there is no access action (there is no activity), interface arrangement 26 is maintained to operation phase " shut " mode" (RTD3), if and have other access action (having activity), the flow process that enters Fig. 5 left side.
By said system and method, the first master control set 22 and the second master control set 24 can be according to each other for the access actions of interface arrangement 26, decision is the operational mode of switching interface 26 how, thereby reach the present invention, supports dual master control device access same-interface device and the effect of saving electric power.
It should be noted that, in the above-described embodiments, being serially connected in only has an interface arrangement 26 between the first master control set 22 and the second master control set 24.And in other embodiments, between the first master control set 22 and the second master control set 24, also can be connected in series a plurality of interface arrangements, and the first master control set 22 and the second master control set 24 are also to adopt the same way as of above-mentioned access interface device 26 to carry out these interface arrangements of access.
In addition, the transmission interface that is used for being connected in series the first master control set 22, the second master control set 24 and interface arrangement 26 in above-described embodiment is for example universal serial bus (Universal Serial Bus, USB) 3.0 interfaces or thunderbolt (Thunderbolt) interface.If be connected in series with thunderbolt interface, the present invention also can further all be used for two data transmission channels of thunderbolt interface to transmit data, makes the first master control set 22, the second master control set 24 and interface arrangement 26 can support two-channel data transmission.With next, for an embodiment, describe in detail again.
The second embodiment
Fig. 6 is the block diagram according to the system of the shown support dual master control of second embodiment of the invention device access interface device.Please refer to Fig. 6, the system 60 of the present embodiment comprises the first master control set 62, the second master control set 64, and adopts daisy chaining to be serially connected in the interface arrangement 66 between the first master control set 62 and the second master control set 64.
The first master control set 62 and the second master control set 64 are if end devices such as desk-top computer, notebook, workstations, and for example fruit is by supporting thunderbolt (Thunderbolt) interface of double-channel data transmission to be connected in series with interface arrangement 66, with the data on access interface device 66.Wherein, the controller 622 of the first master control set 62, if support the thunderbolt controller of double-channel data transmission, can be processed the data of transmitting on the first channel and second channel by interface port 624.The controller 642 of the second master control set 64, if support the thunderbolt controller of 4 channel data transmission, can process by interface port 644,646 data of transmitting on the first channel and second channel respectively.
Interface arrangement 66 is for example the peripherals of graphic processing facility, display device, storage device, programmer or other kind, comprising controller 662, interface port 664,666 and the buffer 668 of supporting 4 channel data transmission.Wherein, controller 662 is for example connected with the interface port 624 of the first master control set 62 and the interface port of the second master control set 64 644,646 by interface port 664,666 respectively, and can be by interface port 664,666 and the first master control set 62 and the second master control set 64 transmission data.Buffer 668 is for example to record mark, and it can provide the first master control set 62 and the second master control set 64 accesses, and docking port device 66 is controlled and data access according to this.
It should be noted that, the present invention also can further be designed to the interface arrangement that adopts thunderbolt interface serial connection only to process the data of one of them channel, and the data of (bypass) one other channel that directly detours.This kind of interface arrangement can be divided into two classes, and first kind interface arrangement is wherein suitable for using the first channel transmission data of thunderbolt interface, and Equations of The Second Kind interface arrangement is applicable to the second channel transmission data of thunderbolt interface.With next, for an embodiment, describe in detail again.
The 3rd embodiment
Fig. 7 is the block diagram according to the system of the shown support dual master control of third embodiment of the invention device access interface device.Please refer to Fig. 7, the system 70 of the present embodiment comprises the first master control set 72, first kind interface arrangement 76, the Equations of The Second Kind interface arrangement 78 that adopts daisy chaining to be sequentially connected in series, and the second master control set 74, and its function is as follows respectively:
The first master control set 72 and the second master control set 74 are if end devices such as desk-top computer, notebook, workstations, it is for example by supporting the thunderbolt interface of double-channel data transmission to be connected in series with interface arrangement 76,78, with the data on access interface device 76,78.
Wherein, the first master control set 72 comprises controller 722 and interface port 724.Wherein, controller 722 is for example the thunderbolt controller of supporting double-channel data transmission, and can process the data of transmitting on the first channel and second channel by interface port 724.
The second master control set 74 comprises controller 742, interface port 744,746 and multiplexer 748.Wherein, controller 742 is for example the thunderbolt controller of supporting double-channel data transmission, can by interface port 744,746, process the data of transmitting on the first channel and second channel respectively.Multiplexer 748 is to be configured between controller 742, interface port 744,746, can be according to the control of controller 742, and the data route between switch controller 742 and interface port 744,746.
First kind interface arrangement 76 is for example graphic processing facility, display device, storage device, burning device or other peripherals equipment that adopts thunderbolt interface transmission data, and it has controller 762, interface port 764,766.Wherein, connecting interface port 764 and interface port 766 are to process the data of the first channel respectively for controller 762, and interface port 766 is that connecting interface port 764 is with the data of transmission second channel.
Equations of The Second Kind interface arrangement 78 can be graphic processing facility, display device, storage device, programmer or other peripherals equipment that adopts thunderbolt interface transmission data equally, and it has controller 782, interface port 784,786.Wherein, connecting interface port 784,786 is to process the data of second channel respectively for controller 782, and 786 connecting interface ports 784 of interface port are to transmit the data of the first channel.
Because first kind interface arrangement 76 and Equations of The Second Kind interface arrangement 78 all only need to process the data of a data transmission channel, therefore controller 762 and 782 wherein all only needs to adopt the thunderbolt controller of supporting double-channel data transmission, thereby has reduced the production cost of interface arrangement.
It should be noted that, the second master control set 74 can be used as a cloud server (cloud server), to provide external device (ED) (not shown) to carry out data access to the first kind interface arrangement 76 that it was connected in series with Equations of The Second Kind interface arrangement 78.In the second master control set 74, for example also comprise a communication module (not shown), it is to be connected with controller 742, and in order to set up the communication connection between the second master control set 74 and external device (ED), to receive external device (ED) for the data access demand of first kind interface arrangement 76 and Equations of The Second Kind interface arrangement 78.Described communication module is for example to support (the Institute of Electrical and Electronics Engineers of IEEE-USA, IEEE) wireless transceiver of the wireless communication standard such as 802.11n/b/g, it can provide the second master control set 74 to set up network by wireless mode and external device (ED) to be connected.This communication module can be also the network card of supporting that cable network connects, at this, does not limit.
Wherein, when the controller 742 of the second master control set 74 receives external device (ED) for the data access demand of first kind interface arrangement 76, can output control signals to multiplexer 748, to control multiplexer 748, controller 742 is connected to interface port 744 and 746 to process the data of the first channel, and interface port 744 is connected to interface port 746 with the data of transmission second channel.
On the other hand, when the controller 742 of the second master control set 74 receives the data access demand for Equations of The Second Kind interface arrangement 78, can output control signals to multiplexer 748, to control multiplexer 748, controller 742 is connected to interface port 744 and 746 to process the data of second channel, and interface port 744 is connected to interface port 746 to transmit the data of the first channel.
Particularly, controller 742 is for example to control multiplexer 748 switch data routes by control signal XY input multiplexer 748.Wherein, contact A, the B of multiplexer 748 connects respectively controller 742 with the transmission path as single channel data turnover controller 742, connecting interface port 744 is with the transmission path as the first channel and second channel data respectively for contact C, D, and contact E, F difference connecting interface port 746 is with the transmission path as second channel and the first channel data.
Following table 1 is the control list of multiplexer 748.Wherein, when the control signal XY of controller 742 outputs is 00, multiplexer 748 enters (bypass) pattern that detours, and contact C is connected to contact F, make the data of the first channel directly by multiplexer 748, to be sent to next thunderbolt device, and do not enter controller 742; When the control signal XY of controller 742 outputs is 01, multiplexer 748 enters the first channelling mode, and contact A is connected to contact C, and contact B is connected to contact F, makes the data of the first channel can be sent to controller 742 to process; When the control signal XY of controller 742 outputs is 10, multiplexer 748 enters second channel pattern, and contact A is connected to contact D, and contact B is connected to contact E, makes the data of second channel can be sent to controller 742 to process.
Table 1
By said system framework, can provide the second master control set 74 according to different data access demands, between two passages, switch and with first kind interface arrangement 76 or Equations of The Second Kind interface arrangement 78 transmission data.If apply again the method for managing power supply in the first embodiment, the second master control set 74 also can be learnt the operational mode that it is current by the mark of record on the buffer 768 of first kind interface arrangement 76 and the buffer 788 of Equations of The Second Kind interface arrangement 78, according to this with the first master control set 72 is coordinated with the data on access first kind interface arrangement 76 and Equations of The Second Kind interface arrangement 78, thereby reach the present invention, supports dual master control device access same-interface device and the effect of saving electric power.Wherein, the mode that the second master control set 74 and the first master control set 72 are coordinated access interface device data be with the first embodiment in the second master control set 24 and the first master control set 22 same or similar, therefore its details does not repeat them here.
In sum, support dual master control device access interface apparatus system of the present invention and method for managing power supply thereof are by record its current use state on interface arrangement, when having master control set to want access interface device, can whether determine the data link of down interface device and another master control set according to this mark, thereby docking port device carries out data access; And when access finishes, control interface device enters operation phase " shut " mode", to save electric power.Thus, the present invention not only can support the identical interface arrangement of dual master control device access, also can reach electricity saving function.
Finally it should be noted that: each embodiment, only in order to technical scheme of the present invention to be described, is not intended to limit above; Although the present invention is had been described in detail with reference to aforementioned each embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or some or all of technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (11)
1. a system of supporting dual master control device access interface device, is characterized in that, comprising:
One first master control set;
One second master control set; And
At least one interface arrangement, adopts a daisy chaining to be serially connected between this first master control set and this second master control set, and described in each, interface arrangement comprises a buffer that records a mark, wherein
When this first master control set and this second master control set, one of them wants described in access interface arrangement, check this mark recording in this buffer of interface arrangement described in each, close according to this data link between this first master control set and this second master control set another and described interface arrangement wherein, and an operational mode of described interface arrangement is returned to a normal operation mode to carry out data access.
2. the system of support dual master control device access interface device according to claim 1, it is characterized in that, when described in this first master control set or this second master control set stop access during interface arrangement, revise this and be labeled as unmanned use, and the operational mode of described interface arrangement is switched to an operation phase " shut " mode".
3. the system of support dual master control device access interface device according to claim 2, it is characterized in that, when interface arrangement described in this first master control set is wanted access and check be labeled as unmanned use time, revise this and be labeled as the first master control set use, and this operational mode of described interface arrangement is returned to normal operation mode, so that described interface arrangement is carried out to data access.
4. the system of support dual master control device access interface device according to claim 2, it is characterized in that, when interface arrangement described in this second master control set is wanted access and check be labeled as unmanned use time, revise this and be labeled as the second master control set use, and this operational mode of described interface arrangement is returned to normal operation mode so that described interface arrangement is carried out to data access.
5. the system of support dual master control device access interface device according to claim 1, is characterized in that, a privilege of access power of this first master control set is higher than this second master control set; When interface arrangement described in this first master control set is wanted access and check be labeled as the second master control set and use time, revise this and be labeled as pressure the first master control set use, to close the data link between this second master control set and described interface arrangement, and after this data link is closed, revise this and be labeled as the first master control set use, so that described interface arrangement is carried out to data access.
6. the system of support dual master control device access interface device according to claim 1, it is characterized in that, this first master control set is by supporting a transmission interface of double-channel data transmission to be connected in series with described interface arrangement, and one first channel providing by this transmission interface and second channel transmission data; Wherein said interface arrangement comprises:
First kind interface arrangement, is suitable for using the first channel transmission data; And
Equations of The Second Kind interface arrangement, is suitable for using second channel transmission data; Wherein this second master control set is to be connected in series with described first kind interface arrangement and Equations of The Second Kind interface arrangement by this transmission interface, and according to a data access demand, switch the data route between itself and described first kind interface arrangement and Equations of The Second Kind interface arrangement, to transmit data by this first passage and described first kind interface arrangement, or by this second channel and described Equations of The Second Kind interface arrangement transmission data.
7. a method for managing power supply of supporting the system of dual master control device access interface device, be applicable to comprise the system that adopts one first master control set, at least one interface arrangement and one second master control set that a daisy chaining is sequentially connected in series, it is characterized in that described in each that interface arrangement comprises a buffer that records a mark, the method comprises the following steps:
When this first master control set and this second master control set, one of them wants described in access interface arrangement, check this mark recording in this buffer of interface arrangement described in each, in order to close the data link between this first master control set and this second master control set another and described interface arrangement wherein, and an operational mode of described interface arrangement is returned to a normal operation mode to carry out data access; And
When described in this first master control set or this second master control set stop access during interface arrangement, revise this and be labeled as unmanned use, and this operational mode of described interface arrangement is switched to an operation phase " shut " mode".
8. according to the method for managing power supply of the system of the support dual master control device access interface device described in 7 of claims the, it is characterized in that, when interface arrangement described in this first master control set is wanted access and check be labeled as unmanned use time, revise this and be labeled as the first master control set use, and this operational mode of described interface arrangement is returned to this normal operation mode so that described interface arrangement is carried out to data access.
9. the method for managing power supply of the system of support dual master control device access interface device according to claim 7, it is characterized in that, when interface arrangement described in this second master control set is wanted access and check be labeled as unmanned use time, revise this and be labeled as the second master control set use, and this operational mode of described interface arrangement is returned to this normal operation mode so that described interface arrangement is carried out to data access.
10. the method for managing power supply of the system of support dual master control device access interface device according to claim 7, is characterized in that, a privilege of access power of this first master control set is higher than this second master control set; When interface arrangement described in this first master control set is wanted access and check be labeled as the second master control set and use time, revise this and be labeled as pressure the first master control set use, to close the data link between this second master control set and described interface arrangement, and after this data link is closed, revise this and be labeled as the first master control set use, so that described interface arrangement is carried out to data access.
The method for managing power supply of the system of 11. support dual master control device access interface devices according to claim 7, it is characterized in that, this first master control set is by supporting a transmission interface of double-channel data transmission to be connected in series with described interface arrangement, and one first channel providing by this transmission interface and second channel transmission data;
Wherein this second master control set is according to a data access demand, switch the data route between at least one first kind interface arrangement and at least one Equations of The Second Kind interface arrangement in itself and described interface arrangement, to transmit data by this first passage and described first kind interface arrangement, or by this second channel and described Equations of The Second Kind interface arrangement transmission data, wherein said first kind interface arrangement is suitable for using this first channel transmission data, and described Equations of The Second Kind interface arrangement is suitable for using this second channel transmission data.
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| CN113050485A (en) * | 2021-03-12 | 2021-06-29 | 山西国惠光电科技有限公司 | Core control platform for intelligent control system |
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