CN103473194A - Electronic device and control method of electronic device - Google Patents

Electronic device and control method of electronic device Download PDF

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Publication number
CN103473194A
CN103473194A CN2012101885126A CN201210188512A CN103473194A CN 103473194 A CN103473194 A CN 103473194A CN 2012101885126 A CN2012101885126 A CN 2012101885126A CN 201210188512 A CN201210188512 A CN 201210188512A CN 103473194 A CN103473194 A CN 103473194A
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China
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bus interface
expansion bus
speed expansion
module
electronic installation
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CN2012101885126A
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Chinese (zh)
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江书育
林永森
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Acer Inc
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Acer Inc
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Priority to CN2012101885126A priority Critical patent/CN103473194A/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D10/00Energy efficient computing, e.g. low power processors, power management or thermal management

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Abstract

The invention discloses a control method, which is applicable to a module capable of supporting at least one high-speed expansion bus interface and a low-speed expansion bus interface in an electronic device, wherein the module is connected to a platform control unit through the high-speed expansion bus interface and the low-speed expansion bus interface. The method comprises the following steps that firstly, either the high-speed expansion bus interface or the low-speed expansion bus interface is specified for carrying out data transmission with the platform control unit; then, a detection result relevant to the electronic device or the module is obtained, and in addition, the interface is switched to the other one of the expansion bus interface according to the detection result for carrying out the data transmission with the platform control unit. The method provided by the invention has the advantages that the dynamic switching between the supported expansion bus interfaces at different speeds can be realized according to different system or module states, the consideration by adopting the efficiency as the main goal or the electricity saving as the main goal is selected, and further, the system efficiency is improved.

Description

Electronic installation and control method thereof
Technical field
The present invention relates to a kind of electronic installation and control method thereof, particularly relate to and a kind ofly can dynamically switch on electronic installation and the control method thereof to carry out data transmission between multiple expansion bus interface.
Background technology
Progress along with computer technology, in recent years, electronic installation is as computer system and mancarried device, such as notebook computer, panel computer, mobile phone etc. all comprises a plurality of output modules and functional module, such as keyboard, mouse, hard disk, network interface unit and other all types of interface cards etc.Between various modules, be to come for example, to carry out the transmission of data with processing unit (CPU (central processing unit) (CPU)) by a platform control module (Platform Controller Hub is called for short PCH).The platform control module provides multiple expansion bus interface (expansion bus interface), for the output module that is compatible to different size and functional module, comes to carry out the transmission of data with processing unit.Each module may be supported one or more expansion bus interface simultaneously.If module is only supported a kind of expansion bus interface, module will be carried out by this expansion bus interface transmission and the reception of data.Suppose that module can support multiple expansion bus interface, single module also only can utilize one of them expansion bus interface to carry out transmission and the reception of data.For example, suppose that module is while supporting the network card of PCI Express (being called for short PCIe) bus and SDIO bus interface simultaneously, because the PCIe bus can provide higher data transmission capabilities, therefore, network card can directly be connected on the PCIe bus interface and carry out transmission and the reception of data by the PCIe bus interface.Once, after the selected expansion bus that will use, can't switch to transmission and reception that other expansion bus carry out data.
Summary of the invention
In view of this, the invention provides and a kind ofly can dynamically switch on electronic installation and the control method thereof to carry out data transmission between multiple expansion bus interface, to solve the above problems.
The embodiment of the present invention provides a kind of control method, is applicable to the module of supporting at least one high speed expansion bus interface and a low speed expansion bus interface in an electronic installation.Wherein, module is connected to a platform control module by high speed expansion bus interface and low speed expansion bus interface.Method comprises the following steps.At first, one of them in appointment high speed expansion bus interface and low speed expansion bus interface and platform control module carry out data transmission.Then, obtain the testing result about electronic installation or module, and according to testing result, switch in expansion bus interface wherein another, with the platform control module, to carry out data transmission.
The embodiment of the present invention separately provides a kind of electronic installation, at least comprises a processing unit, a platform control module and at least one module.The platform control module is coupled to processing unit, in order at least one high speed expansion bus interface circuit and a low speed expansion bus interface circuit to be provided.At least one module is coupled to the platform control module, it has at least one first interface control module and one second interface control unit, and wherein first interface control module and the second interface control unit are coupled to respectively high speed expansion bus interface circuit and low speed expansion bus interface circuit.Wherein, one of high speed expansion bus interface or low speed expansion bus interface can be switched/start to carry out data transmission with the platform control module.
Said method of the present invention can be included in tangible media by the procedure code mode.When procedure code is written into and carries out by machine, machine becomes to carry out device of the present invention.
The present invention can be according to different systems or module status, advance mobile state switching between the expansion bus interface of the friction speed of supporting in it, with select to take usefulness as main or power saving be main considering, and then elevator system usefulness.
For above and other purpose of the present invention, feature and advantage can be become apparent, cited below particularlyly go out preferred embodiment, and coordinate accompanying drawing, be described in detail below.
The accompanying drawing explanation
Fig. 1 shows the schematic diagram according to the electronic installation of the embodiment of the present invention.
Fig. 2 shows the process flow diagram of a control method according to the embodiment of the present invention.
Fig. 3 shows the process flow diagram according to the control method of another embodiment of the present invention, in order to explanation, how to carry out the switching between high speed expansion bus interface and low speed expansion bus interface.
Fig. 4 shows the process flow diagram according to the control method of another embodiment of the present invention, in order to explanation, how to carry out the switching between high speed expansion bus interface and low speed expansion bus interface.
[main description of reference numerals]
100 ~ electronic installation;
110 ~ processing unit;
120 ~ platform control module;
130,140 ~ module;
132 ~ first interface unit;
134 ~ the second interface units;
152,156 ~ high speed expansion bus interface;
154,158 ~ low speed expansion bus interface;
S202-S206 ~ execution step;
S302-S310 ~ execution step;
S402-S406 ~ execution step.
Embodiment
A kind of expansion bus interface control method of various modules of the expansion bus interface (expansion bus interface) that is applicable to simultaneously support two or more friction speeds is provided in the embodiment of the present invention, can be according to different systems or module status, advance mobile state switching between the expansion bus interface of the friction speed of supporting in it, with select to take usefulness as main or power saving be main considering, and then elevator system usefulness.
Fig. 1 shows the schematic diagram according to the electronic installation of the embodiment of the present invention.Wherein, electronic installation 100 comprise computer system as PC and various mancarried device as notebook computer, panel computer, intelligent mobile phone etc., but be not limited to this.As shown in Figure 1, electronic installation 100 at least comprises that a processing unit (for example: central processing unit CPU) 110, one platform control module (Platform Controller Hub, PCH) 120 and a plurality of module 130,140.Wherein, platform control module 120 is coupled to processing unit 110, and a plurality of module 130,140 is coupled to platform control module 120.For example, module 130,140 can be wired or wireless communication module arbitrarily, for example bluetooth (blue-tooth) communication module, WiFi or 3G or meet WLAN (wireless local area network) (WLAN) communication module of IEEE802.1X standard, can with the access point by institute's line, be connected on a network in order to link to corresponding wired or wireless access point, but make the resource on electronic installation 100 access interconnection networks, but the present invention is not limited to this.Network can comprise wired or wireless network, for example world-wide web (INTERNET), WiFi or 3G wireless network etc., but be not limited to this.
Platform control module 120 can provide multiple expansion bus interface, with the module 130,140 that connects various difference in functionalitys.For example, expansion bus interface can comprise PCI Express (being called for short PCIe) expansion bus interface, SDIO expansion bus interface, USB expansion bus interface, UART expansion bus interface etc., but is not limited to this.Each module 130,140 is at least supported the expansion bus interface of two kinds of friction speeds, for example a high speed expansion bus interface and a low speed expansion bus interface, make module 130,140 can be simultaneously expansion bus interface by these two friction speeds be connected to platform control module 120, carry out data transmission with expansion bus interface and the platform control module 120 that utilizes these two friction speeds.For example, as shown in Figure 1, module 130 is to be connected to platform control module 120 by high speed expansion bus interface 152 and low speed expansion bus interface 154, and module 140 is to be connected to platform control module 120 by high speed expansion bus interface 156 and low speed expansion bus interface 158, but the present invention is not limited to this.
For example, when if module 130 is a wireless communication module, the high speed expansion bus interface can be the PCIe expansion bus interface, the low speed expansion bus interface can be the SDIO expansion bus interface, and module 130 can be selected to carry out data transmission at a high speed or carry out the data transmission of low speed by low speed expansion bus interface and platform control module 120 by high speed expansion bus interface and platform control module 120.In general, the high speed expansion bus interface can provide data transmission at a high speed, yet but than power consumption, and the low speed expansion bus interface provides the data transmission of low speed, yet but than power saving, so the expansion bus interface of friction speed is suitable for different demands.
Module 130 is coupled to platform control module 120, it has at least one first interface control module 132 and one second interface control unit 134, and wherein first interface control module 132 and the second interface control unit 134 are coupled to respectively high speed expansion bus interface 152 and low speed expansion bus interface 154.In one embodiment, high speed expansion bus interface 152 comprises the expansion bus interface that is compatible to PCI Express and/or standard usb interface, low speed expansion bus interface 154 at least comprises the expansion bus interface that is compatible to SDIO and/or UART interface standard, first interface control module 132 can provide the bus signals of the expansion bus interface that is compatible to PCIExpress and/or standard usb interface to be coupled to the high speed expansion bus interface, and the second interface control unit 134 can provide the bus signals that is compatible to SDIO and/or UART interface standard to be coupled to the low speed expansion bus interface.Module 130,140 can be in order to carry out control method of the present invention, can be according to the state of system or module, the high speed expansion bus interface that for example power supply status, duty, volume of transmitted data etc. come Dynamic Selection to connect and one of them of low speed expansion bus interface or correspondingly by the high speed expansion bus interface, switched to the low speed expansion bus interface or switch to the high speed expansion bus interface by the low speed expansion bus interface to carry out data transmission with platform control module 120.Detailed control method will in after describe.
Fig. 2 shows the process flow diagram of a control method according to the embodiment of the present invention.Referring to Fig. 1 and Fig. 2.Control method according to the embodiment of the present invention can be applied on the module 130 of electronic installation 100, in order to the transmission interface of the data transmission between dynamic handover module 130 and platform control module 120.In the present embodiment, module 130 can be supported at least one high speed expansion bus interface 152 and a low speed expansion bus interface 154.Wherein module 130 is to be connected to platform control module 120 by high speed expansion bus interface 152 and low speed expansion bus interface 154.
At first, as step S202, one of them in module 130 appointment high speed expansion bus interface 152 and low speed expansion bus interface 154 and platform control module 120 carry out data transmission.Because module 130 is to be connected to platform control module 120 by high speed expansion bus interface 152 and low speed expansion bus interface 154, therefore can utilize one of them and platform control module 120 of high speed expansion bus interface 152 and low speed expansion bus interface 154 to carry out data transmission.Module 130 can have a default data transmission interface, and when initial, the convenient default data transmission interface with appointment of module 130 carries out the transmission of data with platform control module 120.For example, module 130 can be specified the high speed expansion bus interface 152 that connected as default data transmission interface and be utilized high speed expansion bus interface 152 and platform control module 120 to carry out data transmission.
After expansion bus interface when module 130 by appointment and platform control module 120 carry out data transmission, then, as step S204, module 130 obtains the testing result about electronic installation 100 or module 130.Specifically, electronic installation 100 can provide the testing result about electronic installation 100 or module 130, and module 130 can obtain the aforementioned testing result about electronic installation 100 or module 130 by driver, firmware or other circuit of itself.In certain embodiments, module 130 can by driver itself obtain the aforementioned testing result about electronic installation 100 or module 130 by or the firmware of electronic installation 100 or other circuit such as ROM-BIOS (BIOS), embedded controller, platform control module 120 etc. obtain the aforementioned testing result about electronic installation 100 or module 130.In another embodiment, module 130 also can further via platform control module 120, by processing unit 110, performed operating system obtains the testing result about the particular detection project of electronic installation 100 or module 130.Wherein, can comprise the testing result of volume of transmitted data required between power supply status, module 130 and the platform control module 120 of power supply status (such as whether being battery saving mode), power supply source (such as whether being external power supply), module of electronic installation 100, the Application Type of having opened etc. about the testing result of electronic installation 100 or module 130, but be not limited to this.For instance, module 130 can directly obtain or indirectly by platform control module 120, obtain the testing result about electronic installation 100 or module 130.
After the testing result obtained about electronic installation 100 or module 130, as step S206, module 130, according to the testing result obtained, determines whether switch to another expansion bus interface, with platform control module 120, to carry out data transmission.Wherein, module 130 is according to the testing result obtained, determine that whether switching to another expansion bus interface can also comprise according to testing result, carry out switching to the low speed expansion bus interface or being switched to the operation of this high speed expansion bus interface by the low speed expansion bus interface by the high speed expansion bus interface.For example, suppose that aforementioned detection comprises the power supply source of detection system, and module 130 can be that an external power supply is for example during an AC transformer (AC adaptor) according to the power supply that detects source, because of considering without power saving, therefore module 130 can select to provide the high speed expansion bus interface 152 of high speed data transfer ability to be used as transmission interface or to carry out the switching to high speed expansion bus interface 152 by low speed expansion bus interface 154, to utilize the high speed expansion bus interface, carries out data transmission.Note, if, while now with high speed expansion bus interface 152, being used as transmission interface, module 130 will not done the switching of any expansion bus interface.
That is to say, module 130 can be according to the state of different electronic installation 100 or module 130, decides and will take usefulness as main or power saving are main considering, automatically switch and platform control module 120 between carry out the expansion bus interface of data transmission, therefore, further elevator system usefulness.
In certain embodiments, high speed expansion bus interface 152 or low speed expansion bus interface 154 be selected/be switched to module 130 can by counter enabling (enable) or counter enabling (disable) first interface control module 132 or the second interface control unit 134.When first interface control module 132 is enabled, module 130 can be carried out data transmission by high speed expansion bus interface 152 and platform control module 120, otherwise, when first interface control module 132, during by counter enabling, module 130 can't be carried out data transmission by high speed expansion bus interface 152 and platform control module 120.Similarly, when the second interface control unit 134 is enabled, module 130 can be carried out data transmission by low speed expansion bus interface 154 and platform control module 120, otherwise, when the second interface control unit 134, during by counter enabling, module 130 can't be carried out data transmission by low speed expansion bus interface 154 and platform control module 120.Therefore, when module 130 wants to carry out operation that high speed expansion bus interface 152 switches to low speed expansion bus interface 154, module 130 can enable first interface control module 132 and enable the second interface control unit 134 to realize by counter.Similarly, module 130 can enable the second interface control unit 134 and enable first interface control module 132 to realize that low speed expansion bus interface 154 switches to the operation of high speed expansion bus interface 152 by counter.
Below enumerate some embodiment, in order to aid illustration foundation a plurality of different detections of the present invention and control method details thereof, but the present invention is not limited to this.In following examples, suppose that electronic installation 100 is for example a notebook computer or an intelligent mobile phone of a mancarried device, module 130 can be a wireless module, can set up a line with a wireless network while its support a high speed expansion bus interface (for example: the PCIe bus interface) and a low speed expansion bus interface (for example: the SDIO bus interface).For example, module 130 examples can be a WLAN communication module, can set up a line with a radio area network, but be not limited to this.
In certain embodiments, testing result is to originate and obtain by the power supply of detection. electronics 100, and module 130 can be decided in its sole discretion and select high speed or low speed expansion bus interface to be used as transmission interface according to the kind in the power supply source detected.Fig. 3 shows the process flow diagram according to the control method of another embodiment of the present invention, in order to explanation, how to carry out the switching between high speed expansion bus interface and low speed expansion bus interface.Referring to Fig. 1 and Fig. 3.Control method according to the embodiment of the present invention can be applied on the module 130 of electronic installation 100.In this embodiment, testing result is to originate and obtain by the power supply of detection. electronics 100.
As step S302, module 130 judges according to testing result whether the power supply source of electronic installation 100 is an external power supply.Wherein, module 130 can obtain the information about the power supply source of electronic installation 100 from processing unit 110 by platform control module 120.Wherein, power supply source can comprise external source as AC transformer (AC adaptor) or non-external source as battery etc.
When the power supply source that electronic installation 100 detected is an external power supply (step S302 is), as step S304, just module 130 determines that switching to the high speed expansion bus interface carries out data transmission.Otherwise, when the power supply source that electronic installation 100 detected non-during for external power supply (step S302's is no), for example, when the power supply source is for battery, as step S306, module 130 is the then power supply dump energy of detection. electronics 100 just, and judges whether lower than a set threshold value to determine the switching to high speed expansion bus interface or the low speed expansion bus interface is carried out data transmission.During lower than a set threshold value (step S306 is), as step S308, just switching to the low speed expansion bus interface, module 130 carries out data transmission when the power supply dump energy that electronic installation 100 detected.During not lower than set threshold value, as step S310, just switching to the high speed expansion bus interface, module 130 carries out data transmission when the power supply source 100 that electronic installation detected.
For example, suppose that electronic installation 100 is a mancarried device, module 130 is for example WLAN module of wireless module.But whether the power supply of wireless module detection. electronics source is that external power supply decides selection at a high speed or the low speed expansion bus interface is used as transmission interface.When the power supply source that electronic installation 100 detected, for for example, from external power supply (AC transformer) time, wireless module selects high speed expansion bus interface (PCIe bus interface) as transmission interface.Otherwise, when the power supply source that system detected is not during from external power supply, for example, during from battery or power-limited source, wireless module further detection system dump energy and when the dump energy that system detected for example, during lower than a set value (50 percent), wireless module selects low speed expansion bus interface (SDIO bus interface) as transmission interface.When the dump energy that system detected during not lower than set value, that is battery dump energy is greater than at 50 percent o'clock, and wireless module selects/switch to high speed expansion bus interface (PCIe bus interface) as transmission interface.
In certain embodiments, testing result can obtain by the power supply status of detection. electronics 100, and module 130 can be decided in its sole discretion and select high speed or low speed expansion bus interface to be used as transmission interface according to the kind in the power supply source detected.Purpose for power management, general device has five kinds of ACPI (Advanced Configuration and Power Interface, be called for short ACPI) state, for example: S0, S1, S3, S4 and five kinds of states of S5, wherein only having state S0 is the state of computer system normal running, all the other S1, S3, S4 and S5 state, computer is all in dormant state.In addition, ACPI also defines other various power supply statuss, and for example installation's power source state (device power state), processor power supply state (processor power state) etc. are conveniently understood the whole power supply use situation of device.For example, the installation's power source state of ACPI can be divided into the D0-D3 state, and wherein D0 is normal operation (fully on) state, is the state of power consumption in all installation's power source states, and D3 is the state of power saving in all installation's power source states for closing (off) state.Various states and corresponding meaning and operation about ACPI are well known to those skilled in the art, therefore its details is omitted at this.In following examples, the various states that utilize ACPI are judged whether to carry out the switching between high speed expansion bus interface and low speed expansion bus interface.
Fig. 4 shows the process flow diagram according to the control method of another embodiment of the present invention, in order to explanation, how to carry out the switching between high speed expansion bus interface and low speed expansion bus interface.Referring to Fig. 1 and Fig. 4.Control method according to the embodiment of the present invention can be applied on the module 130 of electronic installation 100.In this embodiment, testing result is that power supply status by detecting this electronic installation obtains.
As step S402, judge according to testing result whether the power supply status of electronic installation is a low power consumption state.Wherein, electronic installation 100 can provide the testing result about the power supply status of electronic installation, and module 130 can directly obtain the information about the power supply status of electronic installation 100.In this embodiment, suppose to mean during in S3, S4 or S5 state when electronic installation 100 a low power consumption state.When the power supply status that electronic installation 100 detected is a low power consumption state (step S402 is), that is: when S3, S4 or S5 state, as step S404, just module 130 determines to select/switch to the low speed expansion bus interface to carry out data transmission.Otherwise, when the power supply source that electronic installation 100 detected non-during for the low power consumption state (step S402's is no), for example, when power supply status is the S0 state, as step S406, just module 130 determines to select/switch to the high speed expansion bus interface to carry out data transmission.
For example, as precedent, suppose that electronic installation 100 is a mancarried device, module 130 is for example WLAN module of wireless module, and its support a high speed expansion bus interface (for example: the PCIe bus interface) and a high speed expansion bus interface (for example: the SDIO bus interface).When the power supply status that electronic installation 100 detected is a low power consumption state, for example: during the power down mode of S3 state, S4 state S5 state or other definition, wireless module just determines to select/switch to low speed expansion bus interface (SDIO bus interface) to carry out data transmission.For example, otherwise non-during for the low power consumption state when the power supply source that electronic installation 100 detected, when power supply status is the S0 state, module 130 just determines to select/switch to high speed expansion bus interface (PCIe bus interface) to carry out data transmission.
In another embodiment, testing result can obtain by the power supply status of detection module 130, and module 130 can be decided in its sole discretion and select high speed or low speed expansion bus interface to be used as transmission interface according to the power supply status of the module 130 detected.For example, power supply status be can pre-define and high-effect state and low usefulness state are divided into, when wireless module being detected and enter to a high-effect state, for example wireless module is when ACPI D0 state, and wireless module selects high speed expansion bus interface (PCIe bus interface) as transmission interface.For example, otherwise when wireless module being detected and enter other the non-high-effect states outside the D0 state: during ACPI D3 state, wireless module selects low speed expansion bus interface (SDIO bus interface) to carry out data transmission as transmission interface.
In another embodiment, wireless module can be connected to a network, and testing result is that a connection state by detecting this wireless module and network obtains.Electronic installation 100 can be set up a line by module 130 and an access point, to link to network, and carries out data access from network.For example, if network is a world-wide web and module 130 is while meeting radio area network (WLAN) communication module of IEEE802.11a standard, electronic installation 100 can be set up a radio connecting and carry out a radio communication by radio area network communication module 130 and the access point on radio area network, then connects the world-wide web of upper its rear end via access point.Clear and definite, wireless module can detect its connection state with an access point and decide and select high speed or low speed expansion bus interface to be used as transmission interface.Similarly, connection state be can pre-define and high flow capacity (high traffic) state and low discharge (low traffic) state are divided into.When the connection state that wireless module detected is the high flow capacity state, wireless module selects high speed expansion bus interface (PCIe bus interface) as transmission interface.Otherwise, when the connection state that wireless module detected is low discharge (low traffic) state, for example: in connected standby state, association idle state and non-association state wherein any the time, wireless module selects low speed expansion bus interface (SDIO bus interface) as transmission interface.
In certain embodiments, testing result is to obtain by a volume of transmitted data required between detection platform control module 120 and module 130, and module 130 can be decided in its sole discretion and select high speed or low speed expansion bus interface to be used as transmission interface according to the size of the data traffic detected.But whether the data traffic of module 130 detection platform control modules 120 and 130 transmission of module obtains a required volume of transmitted data and is that high data traffic decides selection at a high speed or the low speed expansion bus interface is used as transmission interface accordingly.For example, when the data traffic that platform control module 120 and 130 transmission of module detected is high data traffic (: data traffic is greater than a set value), module 130 selects high speed expansion bus interface (PCIe bus interface) as transmission interface.Otherwise non-when the high data traffic when the data traffic that platform control module 120 and 130 transmission of module detected, module 130 selects low speed expansion bus interface (SDIO bus interface) as transmission interface.For example, if when between platform control module 120 and wireless module, the data transfer rate of required transmission surpasses 832Mbps, wireless module selects high speed expansion bus interface (PCIe bus interface) as transmission interface.Otherwise, when the data traffic transmitted between platform control module 120 and wireless module being detected and surpass 832Mbps, wireless module selects low speed expansion bus interface (SDIO bus interface) as transmission interface.
In certain embodiments, whether testing result is to have a set high-speed applications program to be unlocked and to obtain by detecting, and module 130 can be unlocked or close to decide in its sole discretion and select high speed or low speed expansion bus interface to be used as transmission interface according to set high-speed applications program being detected.When set high-speed applications program being detected and be unlocked, module 130 selects/switches to the high speed expansion bus interface to carry out data transmission.Otherwise, when set high-speed applications program being detected and be not unlocked, module 130 selects/switches to the low speed expansion bus interface to carry out data transmission.For example, but whether start the Wireless Display related application in wireless module detection. electronics 100 and decide and select at a high speed or the low speed expansion bus interface is used as transmission interface.When the Wireless Display related application being detected and started, wireless module selects/switches to high speed expansion bus interface (PCIe bus interface) as transmission interface.Otherwise, when the Wireless Display related application being detected and be not unlocked, wireless module selects/switches to low speed expansion bus interface (SDIO bus interface) as transmission interface.
What need prompting is, depend on that actual power saving or usefulness considers, aforesaid parameters is that adjustable and different modules can be used identical or different parameter to reach required usefulness as low power consumption state, high-effect state, set high-speed applications program, set threshold value etc.In addition, in certain embodiments, a plurality of modules also can share identical expansion bus interface or utilize control method of the present invention and a plurality of expansion bus interface that shared to switch to carry out data transmission.
In sum, according to control method of the present invention and relevant electronic installation thereof, module to the expansion bus interface of supporting two or more friction speeds simultaneously can be according to different systems or the testing result of module status, advance the switching of mobile state between the expansion bus interface of supporting in it, can corresponding various testing results select applicable expansion bus interface that better usefulness is provided or reach the purpose of more power saving.
Method of the present invention, or specific kenel or its part, can be contained in tangible media with the kenel of procedure code, as floppy disk, CD, hard disk or any other machine readable are got (as readable in computer) medium, wherein, when procedure code, by machine, when as computer, being written into and carrying out, this machine becomes to participate in device of the present invention.Method and apparatus of the present invention also can be with the procedure code kenel by some transfer mediums, as electric wire or cable, optical fiber or any transmission kenel are transmitted, wherein, when procedure code by machine, as the computer reception, when being written into and carrying out, this machine becomes to participate in device of the present invention.When in general service processor implementation, the procedure code associative processor provides a class of operation to be similar to the unique apparatus of application particular logic circuit.
Although the present invention with preferred embodiment openly as above; so it is not in order to limit the present invention; any those of ordinary skills; without departing from the spirit and scope of the present invention; when doing a little change and retouching, so protection scope of the present invention is as the criterion when looking appended the scope that claim defines.

Claims (19)

1. a control method, be applicable to the module of supporting at least one high speed expansion bus interface and a low speed expansion bus interface in an electronic installation, wherein this module is connected to a platform control module by this high speed expansion bus interface and this low speed expansion bus interface, and the method comprises the following steps:
Specify one of them and this platform control module in this high speed expansion bus interface and this low speed expansion bus interface to carry out data transmission;
Obtain the testing result about this electronic installation or this module; And
According to this testing result, switch in described a plurality of expansion bus interface wherein another, with this platform control module, to carry out data transmission.
2. control method as claimed in claim 1, wherein this is according to this testing result, wherein another the step switched in described a plurality of expansion bus interface comprises according to this testing result, by this high speed expansion bus interface, is switched to this low speed expansion bus interface or is switched to this high speed expansion bus interface by this low speed expansion bus interface.
3. control method as claimed in claim 1, wherein this testing result is that power supply source by detecting this electronic installation obtains, and this is according to this testing result, wherein another step of carrying out data transmission switched in described a plurality of expansion bus interface comprises:
When the power supply source that this electronic installation detected is an external power supply, switches to this high speed expansion bus interface and carry out data transmission; And
Non-during for this external power supply when the power supply source that this electronic installation detected, the power supply dump energy that detects this electronic installation is to determine switching to this high speed expansion bus interface or this low speed expansion bus interface is carried out data transmission.
4. control method as claimed in claim 3, wherein this power supply dump energy that detects this electronic installation also comprises to determine the step that switches to this high speed expansion bus interface or this low speed expansion bus interface:
, switch to this low speed expansion bus interface and carry out data transmission during lower than a set threshold value when the power supply dump energy that this electronic installation detected; And
, switch to this high speed expansion bus interface and carry out data transmission not lower than this set threshold value when the power supply source that this electronic installation detected.
5. control method as claimed in claim 1, wherein this testing result is that power supply status by detecting this electronic installation obtains, and this is according to this testing result, wherein another step of carrying out data transmission switched in described a plurality of expansion bus interface comprises:
When the power supply status that this electronic installation detected is a low power consumption state, switches to this low speed expansion bus interface and carry out data transmission; And
Non-when this low power consumption state when the power supply status that this electronic installation detected, switch to this high speed expansion bus interface and carry out data transmission.
6. control method as claimed in claim 1, wherein this testing result is that power supply status by detecting this module obtains, and this is according to this testing result, wherein another step of carrying out data transmission switched in described a plurality of expansion bus interface comprises:
When the power supply status that this module detected is a high-effect state, switches to this high speed expansion bus interface and carry out data transmission; And
Non-when this high-effect state when the power supply status that this module detected, switch to this low speed expansion bus interface and carry out data transmission.
7. control method as claimed in claim 1, wherein this testing result is to obtain by detecting a volume of transmitted data required between this module and this platform control module, and this is according to this testing result, wherein another step of carrying out data transmission switched in described a plurality of expansion bus interface comprises:
When this volume of transmitted data being detected lower than a set threshold value, switch to this low speed expansion bus interface and carry out data transmission; And
When this volume of transmitted data being detected not lower than this set threshold value, switch to this high speed expansion bus interface and carry out data transmission.
8. control method as claimed in claim 1, wherein whether this testing result is to have a set high-speed applications program to be unlocked and to obtain by detecting, and this is according to this testing result, wherein another step of carrying out data transmission switched in described a plurality of expansion bus interface comprises:
When this set high-speed applications program being detected and be unlocked, switch to this high speed expansion bus interface and carry out data transmission; And
When this set high-speed applications program being detected and be not unlocked, switch to this low speed expansion bus interface and carry out data transmission.
9. control method as claimed in claim 1, wherein this module is a communication module, this communication module is connected to a network, and this testing result is that a connection state by detecting this communication module and this network obtains.
10. an electronic installation comprises:
One processing unit;
One platform control module, be coupled to this processing unit, and at least one high speed expansion bus interface and a low speed expansion bus interface are provided; And
At least one module, be coupled to this platform control module, it has at least one first interface control module and one second interface control unit, and wherein this first interface control module and this second interface control unit are coupled to respectively this high speed expansion bus interface and this low speed expansion bus interface;
Wherein one of this high speed expansion bus interface or this low speed expansion bus interface can be switched/start to carry out data transmission with this platform control module.
11. electronic installation as claimed in claim 10, wherein this electronic installation provides a testing result, it depends on the power supply source of this electronic installation, and switches whereby/start one of this high speed expansion bus interface or this low speed expansion bus interface with this platform control module, to carry out data transmission.
12. electronic installation as claimed in claim 11, wherein when the power supply source of this electronic installation is an external power supply, this module switches to this high speed expansion bus interface and carries out data transmission, and, when the power supply of this electronic installation source is non-while be this external power supply, the battery supply dump energy that also detects this electronic installation switches to this high speed expansion bus interface with decision or this low speed expansion bus interface is carried out data transmission.
13. electronic installation as claimed in claim 12, wherein this module is also in the battery supply dump energy that this electronic installation detected during lower than a set threshold value, switch to this low speed expansion bus interface and carry out data transmission, and in the battery supply dump energy that this electronic installation detected not lower than this set threshold value, switch to this high speed expansion bus interface and carry out data transmission.
14. electronic installation as claimed in claim 10, wherein this testing result is that power supply status by detecting this electronic installation obtains, and this module is when the power supply status that this electronic installation detected is a low power consumption state, switch to this low speed expansion bus interface and carry out data transmission, and non-when this low power consumption state at the power supply status that this electronic installation detected, switch to this high speed expansion bus interface and carry out data transmission.
15. electronic installation as claimed in claim 10, wherein this survey result is that power supply status by detecting this module obtains, and this module is when the power supply status that this module detected is a high-effect state, switch to this high speed expansion bus interface and carry out data transmission, and non-when this high-effect state at the power supply status that this module detected, switch to this low speed expansion bus interface and carry out data transmission.
16. electronic installation as claimed in claim 10, wherein this testing result is to obtain by detecting a volume of transmitted data required between this module and this platform control module, and this module is when this volume of transmitted data being detected lower than a set threshold value, switch to this low speed expansion bus interface and carry out data transmission, and, when this volume of transmitted data being detected not lower than this set threshold value, switch to this high speed expansion bus interface and carry out data transmission.
17. electronic installation as claimed in claim 10, wherein to select/switch to this high speed expansion bus interface or this low speed expansion bus interface be by enabling or counter this first interface control module or this second interface control unit of enabling to this module.
18. electronic installation as claimed in claim 10, wherein this high speed expansion bus interface comprises the expansion bus interface that is compatible to PCI Express and/or standard usb interface, and this low speed expansion bus interface comprises the expansion bus interface that is compatible to SDIO and/or UART interface standard.
19. electronic installation as claimed in claim 10, wherein this electronic installation is mancarried device.
CN2012101885126A 2012-06-08 2012-06-08 Electronic device and control method of electronic device Pending CN103473194A (en)

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Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105095134A (en) * 2014-05-09 2015-11-25 宏碁股份有限公司 Electronic device and detection method of electronic device
US9886406B2 (en) 2014-04-30 2018-02-06 Acer Inc. Electronic device and detecting method
JP2019186639A (en) * 2018-04-04 2019-10-24 Necプラットフォームズ株式会社 Wireless communication terminal device, wireless communication system, control method and program

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9886406B2 (en) 2014-04-30 2018-02-06 Acer Inc. Electronic device and detecting method
CN105095134A (en) * 2014-05-09 2015-11-25 宏碁股份有限公司 Electronic device and detection method of electronic device
JP2019186639A (en) * 2018-04-04 2019-10-24 Necプラットフォームズ株式会社 Wireless communication terminal device, wireless communication system, control method and program

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Application publication date: 20131225