CN103309823A - Method for communication between different equipment and connector device - Google Patents
Method for communication between different equipment and connector device Download PDFInfo
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- CN103309823A CN103309823A CN2012100596114A CN201210059611A CN103309823A CN 103309823 A CN103309823 A CN 103309823A CN 2012100596114 A CN2012100596114 A CN 2012100596114A CN 201210059611 A CN201210059611 A CN 201210059611A CN 103309823 A CN103309823 A CN 103309823A
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Abstract
The embodiment of the invention provides a method for communication between different equipment and a connector device. The method is applied to the connector device, and comprises the following steps of providing support to work in a first mode and a second mode, wherein the first mode corresponds to a first equipment stack, and the second mode corresponds to a second equipment stack; loading the first and second equipment stacks; communicating with external equipment by using the first equipment stack when the connector device is judged to work in the first mode; and communicating with the external equipment by using the second equipment stack when the connector device is judged to work in the second mode. The connector device can work in the two modes, the own equipment stack of the connector device corresponding to a current mode in each mode is started, and the equipment stacks are not required to be unloaded in a mode switching process, so that time for unloading and loading the equipment stacks in the mode switching process is reduced, and the probability of errors in an equipment stack loading/unloading process is reduced.
Description
Technical field
The present invention relates to Data Interchange Technology, refer to especially the method and the electrical connector that communicate between a kind of distinct device.
Background technology
Along with the variation of electronic device technology development, mobile device has generally adopted well afoot (USB OTG, On-The-Go) technology, and this mobile device of OTG technical support switches between Host pattern and Device pattern.Be mainly used in the connection between various equipment or mobile device, and exchanges data.Change such as swap data between the multiple different systems of equipment room such as digital camera, video camera, printer.The OTG technology realizes transmitting from the data of equipment room in the situation that there is not main equipment (Host).For example digital camera is directly connected on the printer, prints photograph by the USB mouth that connects two equipment; Also can with the data in the digital camera, send to by OTG on the portable hard drive of USB interface.
In the prior art, in the above-mentioned handoff procedure, need to unload the device stack that loads under the last pattern, then could load device stack required under the present mode.
There are the following problems for prior art: unloading loading equipemtn stack can consume the long time after pattern was switched and switched, but realizing switching fast easily causes mobile device mistake to occur.
Summary of the invention
The technical problem to be solved in the present invention provides method and the electrical connector that communicates between a kind of distinct device, be used for solving prior art, in the process of between different patterns, switching, need to consume the long time, and easily wrong defective occurs.
For solving the problems of the technologies described above, embodiments of the invention provide the method that communicates between a kind of distinct device, be applied to electrical connector, method comprises: be supported under first mode and the second pattern and work, corresponding the first device stack of described first mode, corresponding the second device stack of described the second pattern; Load described the first device stack and described the second device stack; When judgement is operated in first mode, communicate by letter by between described the first device stack and the described external unit; When judgement is operated in the second pattern, communicate by letter by between described the second device stack and the described external unit.
In the described method, also comprise: when detecting described electrical connector and being operated in described first mode, stop described the second device stack, start described the first device stack and described external device communication; When detecting described electrical connector and being operated in described the second pattern, stop described the first device stack, start described the second device stack and described external device communication.
In the described method, described first mode is the Host pattern, and described the second pattern is the Device pattern; Described the first device stack is the main equipment stack, works under described Host pattern, and described the second device stack is from device stack, works under described Device pattern; Under described Host pattern, described electrical connector conduct is from equipment, and described external unit is as main equipment; Under described Device pattern, described electrical connector is as main equipment, and described external unit conduct is from equipment.
In the described method, start described the first device stack and described external device communication, specifically comprise: load external unit by described the first device stack and drive, described external unit drives supports the described external unit of access; Call described external unit drive realize with described external unit between communicate by letter.
In the described method, start described the second device stack and described external device communication, specifically comprise: load external unit by described the second device stack and drive, described external unit drives supports the described external unit of access; Call described external unit drive realize with described external unit between communicate by letter.
In the described method, stop described the first device stack and comprise: receive the second pattern handoff request that described external unit sends; Notify described the first device stack to quit work.
In the described method, stop also to comprise after described the first device stack: the external unit that unloads on described the first device stack drives; Specifically comprise: notify described the first device stack to unload described external unit and drive; Receive the request that communicates with described external unit, detect described state do not load the first device stack at this moment described external unit and drive after, switch to described the second pattern.
A kind of electrical connector is supported to be connected with external unit, comprising: electrical connector control driver element is used for being supported under first mode and the second pattern working corresponding the first device stack of described first mode, corresponding the second device stack of described the second pattern; And, load described the first device stack and described the second device stack; The first device stack is used for when being operated in first mode, communicates by letter by between described the first device stack and the described external unit; The second device stack is used for when being operated in the second pattern, communicates by letter by between described the second device stack and the described external unit.
In the described device, also comprise: the first instruction execution unit, be used for when detecting described electrical connector and be operated in described first mode, stopping described the second device stack, start described the first device stack and described external device communication; The second instruction execution unit is used for stopping described the first device stack when detecting described electrical connector and be operated in described the second pattern, starts described the second device stack and described external device communication.
In the described device, include in described the first device stack and the second device stack: external unit drive load module, be used for loading external unit and drive, described external unit drives supports the described external unit of access; Call described external unit drive realize with described external unit between communicate by letter.
In the described device, also comprise: the pattern setting module, being used for setting described first mode is the Host pattern, described the second pattern is the Device pattern; Setting described the first device stack is the main equipment stack, works under described Host pattern, and setting described the first device stack is the main equipment stack, works under described Host pattern; Under described Host pattern, described electrical connector conduct is from equipment, and described external unit is as main equipment; Under described Device pattern, described electrical connector is as main equipment, and described external unit conduct is from equipment.
The beneficial effect of technique scheme of the present invention is as follows: electrical connector is supported under two kinds of patterns and works, under each pattern, start self corresponding to the device stack of present mode, in the process of switch mode, no longer need the unloading equipment stack, reduce in the pattern handoff procedure time of unloading and loading equipemtn stack, reduced the possibility of makeing mistakes in the load/unload device stack process.
Description of drawings
Fig. 1 represents the method flow schematic diagram that communicates between a kind of distinct device;
Fig. 2 represents electrical connector principle of work schematic diagram one;
Fig. 3 represents electrical connector principle of work schematic diagram two;
Fig. 4 represents the electrical connector structural representation.
Embodiment
For making the technical problem to be solved in the present invention, technical scheme and advantage clearer, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
The embodiment of the invention provides the method that communicates between a kind of distinct device, as shown in Figure 1, is applied to electrical connector, and method comprises:
When judgement is operated in the second pattern, communicate by letter by between described the second device stack and the described external unit.
The technical scheme that provides is provided, electrical connector is supported under two kinds of patterns and works, under each pattern, start self corresponding to the device stack of present mode, in the process of switch mode, no longer need the unloading equipment stack, reduce in the pattern handoff procedure time of unloading and loading equipemtn stack, reduced the possibility of makeing mistakes in the load/unload device stack process.
In a preferred embodiment, also comprise:
When detecting described electrical connector and being operated in described first mode, stop described the second device stack, start described the first device stack and described external device communication;
When detecting described electrical connector and being operated in described the second pattern, stop described the first device stack, start described the second device stack and described external device communication.
As shown in Figure 2, comprise several functional modules in the electrical connector, the electrical connector controller is used for realizing the service logic of electrical connector.For the access of electrical connector controller, file a request then by the realization of electrical connector control driver element to the electrical connector controller;
The electrical connector controller according to the pattern that detects, issues different instructions to electrical connector control driver element: when detecting when being in first mode,
Electrical connector control driver element, according to the instruction from the electrical connector controller:
When described first mode, stop described the second device stack, start described the first device stack and described external device communication;
And, when described the second pattern, stop described the first device stack, start described the second device stack and described external device communication.
In a preferred embodiment, as shown in Figure 3, first mode is the Host pattern, and described the second pattern is the Device pattern; Described the first device stack is the main equipment stack, works under described Host pattern, and described the second device stack is from device stack, works under described Device pattern;
Under the Host pattern, the electrical connector conduct is from equipment, and described external unit is as main equipment;
Under the Device pattern, electrical connector is as main equipment, and described external unit conduct is from equipment.
In a preferred embodiment, start described the first device stack and described external device communication, specifically comprise:
Load external unit by described the first device stack and drive, described external unit drives supports the described external unit of access;
Call described external unit drive realize with described external unit between communicate by letter.
In an application scenarios, be without loss of generality, first mode is the Host pattern, the second pattern is the Device pattern; The initial external unit that connects is a computing machine, and obviously, for electrical connector, it is a main equipment that Computer application is worked as; Afterwards, electrical connector is connected with a printer, obviously, for electrical connector, printer should be one from equipment; The process of its switching comprises:
Step 1, electrical connector load the first device stack and the second device stack; Wherein, the first device stack is the main equipment stack, works under the Host pattern, and electrical connector is from equipment, and external unit then is main equipment;
The second device stack is from device stack, works under the Device pattern, and electrical connector is main equipment, and external unit then is from equipment.
Step 2, when detecting electrical connector and being operated in the Host pattern, the electrical connector controller sends instructions under electrical connector control driver element,
Electrical connector control driver element stops from device stack according to instruction, starts main equipment stack and compunication.
Step 3, main equipment stack loading external unit drives-specifically supports the driving that communicates with computing machine.
Step 4, under the Host pattern, electrical connector is by the transmission of data between external unit driving and the computing machine.
Step 5 when detecting electrical connector and being operated in the Device pattern, shows that electrical connector is connected with printer this moment;
The electrical connector controller sends instructions under electrical connector control driver element,
Electrical connector control driver element stops the main equipment stack according to instruction, starts from device stack and printer communication.
Step 6 drives-specifically supports the driving that is connected with printer from device stack loading external unit.
Step 7, under the Device pattern, electrical connector is by the transmission of data between external unit driving and the printer.
Because electrical connector is supported under Host pattern and the Device pattern and works, this support is the support on the broad sense, comprising:
Situation 1 is supported under the Host pattern and works, and at this moment, the Device pattern is in halted state;
Situation 2 is supported under the Device pattern and works, and at this moment, the Host pattern is in halted state;
Situation 3 is supported under the parallel state of Host pattern and Device pattern and works, and this moment, both all were in running status;
In situation 3, the process that pattern is switched does not comprise the concrete a certain pattern that stops wherein, for example, when switching to the Device pattern from the Host pattern, does not need to stop the Host pattern; In like manner, when switching to the Host pattern from the Device pattern, do not need to stop the Device pattern; Fight for resource for avoiding two patterns to move simultaneously, the priority that can set a kind of pattern wherein is higher than the priority of another kind of pattern.
In an application scenarios, first mode is the Host pattern, and the second pattern is the Device pattern; The initial external unit that connects is a computing machine, and computing machine should be a main equipment for electrical connector; Afterwards, electrical connector is connected with a printer, obviously, printer for electrical connector should be one from equipment; The process of work comprises:
Step 1, electrical connector load the first device stack and the second device stack; Wherein, the first device stack is the main equipment stack, works under the Host pattern, and electrical connector is from equipment, and external unit then is main equipment;
The second device stack is from device stack, works under the Device pattern, and electrical connector is main equipment, and external unit then is from equipment.
Step 2 detects the electrical connector work at present when the Host pattern, and the electrical connector controller sends instructions under electrical connector control driver element;
Electrical connector control driver element no longer stops from device stack according to instruction, but be the priority that is lower than current Host pattern with the priority level initializing of Device pattern, so, has then avoided two patterns to fight for the problem of the resource of electrical connector;
Electrical connector control driver element starts main equipment stack and compunication according to instruction.
Step 3, main equipment stack loading external unit drives-specifically supports the driving that communicates with computing machine.
Step 4, under the Host pattern, electrical connector is by the transmission of data between external unit driving and the computing machine.
Step 5 when detecting electrical connector and being operated in the Device pattern, shows that electrical connector is connected with printer this moment;
The electrical connector controller sends instructions under electrical connector control driver element,
Electrical connector control driver element no longer stops the main equipment stack according to instruction, but be the priority that is lower than current Device pattern with the priority level initializing of Host pattern, so, has then avoided two patterns to fight for the problem of the resource of electrical connector;
Electrical connector control driver element starts from device stack and printer communication according to instruction.
Step 6 drives-specifically supports the driving that is connected with printer from device stack loading external unit.
Step 7, under the Device pattern, electrical connector is by the transmission of data between external unit driving and the printer.
In a preferred embodiment, by the second device stack and described external device communication, specifically comprise:
Load external unit by described the second device stack and drive, described external unit drives supports the described external unit of access;
Call described external unit drive realize with described external unit between communicate by letter.
In a preferred embodiment, stopping described the first device stack comprises:
Receive the second pattern handoff request that described external unit sends;
Notify described the first device stack to quit work.
In a preferred embodiment, stop also to comprise after described the first device stack: the external unit that unloads on described the first device stack drives;
Specifically comprise:
Notifying described the first device stack to unload described external unit drives;
Receive the request that communicates with described external unit, detect described state do not load the first device stack at this moment external unit and drive after, switch to described the second pattern.
Electrical connector is supported under two kinds of patterns and works, and under each pattern, starts self device stack corresponding and present mode, loads after external unit corresponding to each external unit drive by this device stack, realize with external unit between communicate by letter; No longer need to realize communication under the different mode by the unloading equipment stack, reduced the time of loading equipemtn stack in the pattern handoff procedure, reduced the possibility of makeing mistakes in the load/unload device stack process.
The embodiment of the invention provides a kind of electrical connector, as shown in Figure 4, supports to be connected with external unit, comprising:
Electrical connector control driver element is used for being supported under first mode and the second pattern working, corresponding the first device stack of described first mode, corresponding the second device stack of described the second pattern; And, load described the first device stack and described the second device stack;
The first device stack is used for when being operated in first mode, communicates by letter by between described the first device stack and the described external unit;
The second device stack is used for when being operated in the second pattern, communicates by letter by between described the second device stack and the described external unit.
The technical scheme that provides is provided, electrical connector is supported under two kinds of patterns and works, under each pattern, start self corresponding to the device stack of present mode, in the process of switch mode, no longer need the unloading equipment stack, reduce in the pattern handoff procedure time of unloading and loading equipemtn stack, reduced the possibility of makeing mistakes in the load/unload device stack process.
In a preferred embodiment, electrical connector also comprises:
The first instruction execution unit is used for stopping described the second device stack when detecting described electrical connector and be operated in described first mode, starts described the first device stack and described external device communication;
The second instruction execution unit is used for stopping described the first device stack when detecting described electrical connector and be operated in described the second pattern, starts described the second device stack and described external device communication.
In the application scenarios of reality, the first instruction execution unit, the second instruction execution unit can be arranged in the electrical connector control driver element.
In a preferred embodiment, include in the first device stack and the second device stack:
External unit drive load module is used for loading external unit and drives, and described external unit drives supports the described external unit of access;
Call described external unit drive realize with described external unit between communicate by letter.
In a preferred embodiment, also comprise: the pattern setting module, being used for setting described first mode is the Host pattern, described the second pattern is the Device pattern; Setting described the first device stack is the main equipment stack, works under described Host pattern, and setting described the first device stack is the main equipment stack, works under described Host pattern;
Under the Host pattern, described electrical connector conduct is from equipment, and described external unit is as main equipment;
Under the Device pattern, electrical connector is as main equipment, and described external unit conduct is from equipment.
In a preferred embodiment, also comprise: the pattern discrimination module is used for judging the residing pattern of described electrical connector after described electrical connector access external unit.
Adopt this programme advantage afterwards to be: electrical connector is supported under two kinds of patterns and works, in the process that pattern is switched, under each pattern, start self device stack corresponding and present mode, load after external unit corresponding to each external unit drive by this device stack, realize with external unit between communicate by letter; No longer need to realize communication under the different mode by the unloading equipment stack, reduced the time of loading equipemtn stack in the pattern handoff procedure, reduced the possibility of makeing mistakes in the load/unload device stack process.
The above is preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from principle of the present invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (11)
1. the method that communicates between the distinct device is characterized in that, be applied to electrical connector, method comprises:
Be supported under first mode and the second pattern and work, corresponding the first device stack of described first mode, corresponding the second device stack of described the second pattern;
Load described the first device stack and described the second device stack;
When judgement is operated in first mode, communicate by letter by between described the first device stack and the described external unit;
When judgement is operated in the second pattern, communicate by letter by between described the second device stack and the described external unit.
2. method according to claim 1 is characterized in that, also comprises:
When detecting described electrical connector and being operated in described first mode, stop described the second device stack, start described the first device stack and described external device communication;
When detecting described electrical connector and being operated in described the second pattern, stop described the first device stack, start described the second device stack and described external device communication.
3. method according to claim 1 is characterized in that, described first mode is the Host pattern, and described the second pattern is the Device pattern; Described the first device stack is the main equipment stack, works under described Host pattern, and described the second device stack is from device stack, works under described Device pattern;
Under described Host pattern, described electrical connector conduct is from equipment, and described external unit is as main equipment;
Under described Device pattern, described electrical connector is as main equipment, and described external unit conduct is from equipment.
4. method according to claim 2 is characterized in that, starts described the first device stack and described external device communication, specifically comprises:
Load external unit by described the first device stack and drive, described external unit drives supports the described external unit of access;
Call described external unit drive realize with described external unit between communicate by letter.
5. method according to claim 2 is characterized in that, starts described the second device stack and described external device communication, specifically comprises:
Load external unit by described the second device stack and drive, described external unit drives supports the described external unit of access;
Call described external unit drive realize with described external unit between communicate by letter.
6. method according to claim 2 is characterized in that, stops described the first device stack and comprises:
Receive the second pattern handoff request that described external unit sends;
Notify described the first device stack to quit work.
7. method according to claim 6 is characterized in that, stops also to comprise after described the first device stack: the external unit that unloads on described the first device stack drives; Specifically comprise:
Notifying described the first device stack to unload described external unit drives;
Receive the request that communicates with described external unit, detect described state do not load the first device stack at this moment described external unit and drive after, switch to described the second pattern.
8. an electrical connector is characterized in that, supports to be connected with external unit, comprising:
Electrical connector control driver element is used for being supported under first mode and the second pattern working, corresponding the first device stack of described first mode, corresponding the second device stack of described the second pattern; And, load described the first device stack and described the second device stack;
The first device stack is used for when being operated in first mode, communicates by letter by between described the first device stack and the described external unit;
The second device stack is used for when being operated in the second pattern, communicates by letter by between described the second device stack and the described external unit.
9. device according to claim 8 is characterized in that, also comprises:
The first instruction execution unit is used for stopping described the second device stack when detecting described electrical connector and be operated in described first mode, starts described the first device stack and described external device communication;
The second instruction execution unit is used for stopping described the first device stack when detecting described electrical connector and be operated in described the second pattern, starts described the second device stack and described external device communication.
10. device according to claim 8 is characterized in that, includes in described the first device stack and the second device stack:
External unit drive load module is used for loading external unit and drives, and described external unit drives supports the described external unit of access;
Call described external unit drive realize with described external unit between communicate by letter.
11. device according to claim 8 is characterized in that, also comprises:
The pattern setting module, being used for setting described first mode is the Host pattern, described the second pattern is the Device pattern; Setting described the first device stack is the main equipment stack, works under described Host pattern, and setting described the first device stack is the main equipment stack, works under described Host pattern;
Under described Host pattern, described electrical connector conduct is from equipment, and described external unit is as main equipment;
Under described Device pattern, described electrical connector is as main equipment, and described external unit conduct is from equipment.
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| CN2012100596114A CN103309823A (en) | 2012-03-08 | 2012-03-08 | Method for communication between different equipment and connector device |
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| CN2012100596114A CN103309823A (en) | 2012-03-08 | 2012-03-08 | Method for communication between different equipment and connector device |
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| CN2012100596114A Pending CN103309823A (en) | 2012-03-08 | 2012-03-08 | Method for communication between different equipment and connector device |
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