CN107643900A - A kind of display, upgrade method - Google Patents
A kind of display, upgrade method Download PDFInfo
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- CN107643900A CN107643900A CN201710795386.3A CN201710795386A CN107643900A CN 107643900 A CN107643900 A CN 107643900A CN 201710795386 A CN201710795386 A CN 201710795386A CN 107643900 A CN107643900 A CN 107643900A
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- usb
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- upgrade file
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Abstract
The application provides a kind of display, upgrade method.A kind of display, including host microcontroller, auxiliary microcontroller, USB interface expander, USB uplink ports, USB downstream port, the USB interface expander is used to connect USB uplink ports or USB downstream port, also include USB switch, the USB switch is connected between the host microcontroller and the USB interface expander, and is connected between the USB uplink ports and the USB interface expander；The USB switch is used to connect the host microcontroller and the connection of the USB downstream port based on the first control instruction；It is additionally operable to the connection completed instruction based on upgrading and connect the USB interface expander and the USB uplink ports；First control instruction includes the control instruction for being used for trigger scope upgrading, it is possible to achieve while the display possesses upgrade function, convenience when improving the security performance of the display and being upgraded.
Description
Technical field
The application is related to display apparatus technical field, more particularly to a kind of display, upgrade method.
Background technology
At present, generally except including power input interface, DisplayPort interfaces and DVI in display apparatus
Beyond video input interfaces such as (Digital Visual Interface, digital visual interfaces), in addition to USB (Universal
Serial Bus, USB) interface.Wherein, the USB interface set on display apparatus includes USB Type A
Interface, USB Type B interface.The USB Type A interfaces as downlink port, during use with slave unit (such as USB flash disk, mouse
Mark etc.) connection；The USB Type B interface is connected as uplink port, during use with main frame (such as PC main frames etc.).
Wherein, display apparatus is as whole set equipment.If display apparatus needs to be upgraded, display needs to have
In the case where complete machine does not tear machine open, the function that is upgraded to complete machine.The problem of upgrading for display complete machine, uses at present
Solution method is to increase the external interface for complete machine upgrading on display apparatus, such as, connect using RJ11 interfaces, RJ45
The external interface that mouth, DB9 interfaces etc. upgrade as complete machine.
However, before the increased external interface for complete machine upgrading is directly exposed to user plane on display apparatus, meeting
Because user causes complete machine to be damaged the factors such as the maloperation of external interface for complete machine upgrading.
The content of the invention
In view of this, the application provides a kind of method and apparatus of display upgrading, applied to display, in display
Portion sets USB switch, while to realize that the display possesses upgrade function, improve the display security performance and
Convenience when being upgraded.
Specifically, the application is achieved by the following technical solution：
To expand in a first aspect, this application provides a kind of display, including host microcontroller, auxiliary microcontroller, USB interface
Device, USB uplink ports, USB downstream port are opened up, the USB interface expander is used to connect USB uplink ports or USB downstream
Port, in addition to USB switch, the USB switch be connected to the host microcontroller and the USB interface expander it
Between, and be connected between the USB uplink ports and the USB interface expander；
The USB switch is used to connect the host microcontroller and the USB downstream port based on the first control instruction
Connection；It is additionally operable to the connection completed instruction based on upgrading and connect the USB interface expander and the USB uplink ports；
First control instruction includes the control instruction for being used for trigger scope upgrading.
Second aspect, this application provides a kind of upgrade method, applied to aforementioned display device, including：
The USB switch connects the host microcontroller and the company of the USB downstream port based on the first control instruction
Connect；Wherein, first control instruction includes the control instruction for being used for trigger scope upgrading；
Upgrade file is read in the storage device that the host microcontroller is connected from the USB downstream port；
The upgrading of the display is performed based on the upgrade file, and after the display completes upgrading, the USB
Switch completes the connection of the instruction connection USB interface expander and the USB uplink ports based on upgrading.
The beneficial effect that the technical scheme that the application provides is brought：
In the technical program, due to being provided with USB switch in the display, the USB switch is connected to institute
State between the host microcontroller of display and the USB interface expander of the display, and be connected to the USB of the display
Between uplink port and the USB interface expander of the display.During the display starting, the USB switch connects institute
State the connection of the USB downstream port of host microcontroller and the display.The host microcontroller connects from the USB downstream port
Upgrade file is read in the storage device entered.Based on the upgrade file, the host microcontroller and the auxiliary micro-control are realized
The upgrading of device processed, and after completing to upgrade, the USB switch connects the USB interface expander and the USB uplink ports
Connection.Pass through the USB switch so that the display is based on existing USB interface and realizes upgrading, reduces the master
Microcontroller and the external interface for aiding in microcontroller dedicated for upgrading, the security performance of the display can be improved
With convenience when being upgraded.
Brief description of the drawings
Fig. 1 realizes block diagram for a kind of USB system framework shown in the application and function；
Fig. 2 is a kind of function schematic block diagram of current display complete machine upgrading shown in the application；
Fig. 3 is a kind of structural representation of display shown in the embodiment of the present application one；
Fig. 4 is a kind of schematic flow sheet of upgrade method shown in the embodiment of the present application two.
Embodiment
Here exemplary embodiment will be illustrated in detail, its example is illustrated in the accompanying drawings.Following description is related to
During accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represent same or analogous key element.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistent with the application.On the contrary, they be only with it is such as appended
The example of the consistent apparatus and method of some aspects be described in detail in claims, the application.
It is only merely for the purpose of description specific embodiment in term used in this application, and is not intended to be limiting the application.
" one kind " of singulative used in the application and appended claims, " described " and "the" are also intended to including majority
Form, unless context clearly shows that other implications.It is also understood that term "and/or" used herein refers to and wrapped
Containing the associated list items purpose of one or more, any or all may be combined.
It will be appreciated that though various information, but this may be described using term first, second, third, etc. in the application
A little information should not necessarily be limited by these terms.These terms are only used for same type of information being distinguished from each other out.For example, do not departing from
In the case of the application scope, the first information can also be referred to as the second information, and similarly, the second information can also be referred to as
One information.Depending on linguistic context, word as used in this " if " can be construed to " ... when " or " when ...
When " or " in response to determining ".
Fig. 1 is referred to, Fig. 1 realizes block diagram for a kind of USB system framework shown in the application and function.
Wherein, the USB HUB are USB interface expander, have the function for multiple interfaces by an Interface Expanding.Institute
State USB HUB principle and expanded function etc. and refer to correlation technique knowledge, this is no longer repeated in this application.
USB HUB are configured in the display, realize to enter between display and external USB interface device by USB HUB
Row data transfer.Wherein, the USB Type A interfaces in current display and USB Type B interface only possess USB HUB's
Function.
Fig. 2 is referred to, Fig. 2 is a kind of function schematic block diagram of current display complete machine upgrading shown in the application.
Generally, the display includes main MCU (Microprogrammed Control Unit, microcontroller) and auxiliary
Help MCU.Wherein, the main MCU is mainly used in word, data and picture for driving display to show correlation in display screen etc.,
The auxiliary MCU is mainly for detection of the parameter of the sensor in display, such as brightness value of display background luminosity etc..
Wherein, display is as whole set equipment, if display needs to be upgraded, display is needed to have in complete machine not
In the case of tearing machine open, the function that is upgraded to complete machine.The problem of upgrading for display complete machine, the solution method used at present
It is to increase the external interface for complete machine upgrading over the display.As shown in Fig. 2 add respectively over the display for leading
The external interface of MCU upgradings and the external interface for aiding in MCU to upgrade.By corresponding external interface respectively to main MCU and
Auxiliary MCU is upgraded.Wherein, the USB HUB in current display only possess the function of USB interface extension.
However, there is problems with current display：
(1) upgraded by increasing the external interface upgraded for complete machine over the display to realize the display complete machine
Mode, the increase of design difficulty in the structure design of the display can be caused.
(2), can before due to being directly exposed to user plane for the external interface that the display complete machine upgrades or debugs
It can occur that user has carried out maloperation to the external interface, cause the display to occur showing bad situation, or even lead
Cause the situation of the display complete machine damage.And the increase of the external interface quantity due to the display, it can reduce described
The waterproof and antistatic property of display.
(3), it is necessary to professional when upgrading to the main MCU and the auxiliary MCU, by with the main MCU and
The burning program device of the upgrade interface matching of the auxiliary MCU, to the main MCU and auxiliary MCU burning ROMPaqs, so that
The main MCU and the auxiliary MCU upgrading are realized, therefore, the convenience upgraded to the display is very poor.
In summary, by the main MCU and the auxiliary MCU dedicated for upgrading external interface to the display
Upgraded, reduce the security performance of the display and the convenience when display is upgraded.
Embodiment one：
Fig. 3 is referred to, Fig. 3 is a kind of structural representation of display shown in the embodiment of the present application one.
In order to solve by the main MCU and the auxiliary MCU dedicated for upgrading external interface to the display
Upgraded, reduce the security performance of the display and the problem of convenience when the display is upgraded, this Shen
Please embodiment propose a kind of display, the display include host microcontroller, auxiliary microcontroller, USB interface expander,
USB uplink ports, USB downstream port, in addition to USB switch.The USB interface expander is used to connect USB uplink ports
Or USB downstream port.The USB switch is connected between the host microcontroller and the USB interface expander, and
It is connected between the USB uplink ports and the USB interface expander.
Wherein, the USB switch is used to connect the host microcontroller and the USB downstream based on the first control instruction
The connection of port；It is additionally operable to the company for completing instruction based on upgrading and connecting the USB interface expander and the USB uplink ports
Connect；
First control instruction includes the control instruction for being used for trigger scope upgrading.
In the present embodiment, first control instruction can be sent by the host microcontroller to the USB switch,
Or there is the auxiliary microcontroller to send to the USB switch.Instruction is completed in the upgrading can also be by the main micro-control
Device processed is sent to the USB switch, or is sent by the auxiliary microcontroller to the USB switch.
The host microcontroller is used to detect whether the USB downstream port is connected to storage device, if under the USB
Row port is not connected with storage device, is sent to the USB switch and recovers instruction, or notifies the auxiliary microcontroller to institute
State USB switch and send and recover instruction；If being additionally operable to the USB downstream port is connected to storage device, institute is further detected
State whether storage device saves upgrade file, if the storage device does not preserve upgrade file, sent out to the USB switch
Send recovery to instruct, or notify the auxiliary microcontroller is sent to the USB switch to recover instruction.
Wherein, the USB switch is additionally operable to connect on the USB interface expander and the USB based on recovery instruction
The connection of row port.
The host microcontroller is additionally operable to read the upgrade file in the storage device, if the upgrade file includes
The upgrade file of the host microcontroller, the upgrade file based on the host microcontroller are upgraded；If it is additionally operable to described
Upgrade file also includes the upgrade file of the auxiliary microcontroller, and the upgrade file of the auxiliary microcontroller is sent to institute
State auxiliary microcontroller.
The auxiliary microcontroller is used for the upgrading text for receiving the auxiliary microcontroller that the host microcontroller is sent
Part, and upgraded based on the auxiliary microcontroller.
Embodiment two：
Fig. 4 is referred to, Fig. 4 is a kind of schematic flow sheet of upgrade method shown in the embodiment of the present application two.
In order to solve by the main MCU and the auxiliary MCU dedicated for upgrading external interface to the display
Upgraded, reduce the security performance of the display and the problem of convenience when the display is upgraded, this Shen
Please embodiment two propose a kind of upgrade method, it is specific to perform following walk applied to the display shown in the embodiment of the present application one
Suddenly：
Step 401：The USB switch is based on the first control instruction and connects the host microcontroller and the USB downstream
The connection of port；Wherein, first control instruction includes the control instruction for being used for trigger scope upgrading；
Step 402：Upgrading text is read in the storage device that the host microcontroller is connected from the USB downstream port
Part；
Step 403：The upgrading of the display is performed based on the upgrade file, and completes to upgrade in the display
Afterwards, the USB switch completes the connection of the instruction connection USB interface expander and the USB uplink ports based on upgrading.
In the present embodiment, after the display starting, the host microcontroller and the auxiliary microcontroller
To detect that the display is in open state.The host microcontroller or the auxiliary microcontroller can be to described
USB switch sends the first control instruction, wherein the control that first control instruction includes being used for trigger scope upgrading refers to
Order.
After the USB switch receives first control instruction, it is micro- that the USB switchings switch can connect the master
Controller and the connection of USB downstream port.
Specifically, the USB switch can be the device for having double-gate switching function, such as switch chip.The USB
In the presence of the interface being connected with the upgrade interface of the host microcontroller on switch, the interface being connected with the USB uplink ports,
And the interface being connected with the USB interface expander.
Before the display is not keyed up, the interface that is connected with the USB uplink ports, and extended with the USB interface
The interface of device connection is in connection status, i.e., described USB uplink ports keep connected state with the USB interface expander, separately
Outside, the USB interface expander is in connected state with the USB downstream port.
When the display starting, the USB switch can receive the host microcontroller or the auxiliary
The first control instruction that microcontroller is sent.The USB switch will the interface being connected with the USB interface expander,
The interface being connected with the upgrade interface with the host microcontroller is attached so that the host microcontroller passes through the USB
Switch and the USB interface expander, connected state is in the USB downstream port.I.e. described host microcontroller and institute
Stating the communication between USB downstream port needs by the USB interface expander and the USB switch.
In the present embodiment, after the connection for connecting the host microcontroller and the USB downstream port, the main microcontroller
Device can detect whether the USB downstream port is connected to storage device.
If the USB downstream port is not connected with storage device, the host microcontroller can be sent out to the USB switch
Recovery is sent to instruct, or, the host microcontroller, pass through the communication between the host microcontroller and the auxiliary microcontroller
Passage, notify the auxiliary microcontroller is sent to the USB switch to recover instruction.
The USB switch, which receives, described can recover to instruct, it will the interface being connected with the USB uplink ports,
It is attached with the interface being connected with the USB interface expander so that the USB uplink ports extend with the USB interface
Device is in connected state.That is, the display is made to revert to the state before not triggering upgrading.
If the USB downstream port is connected to storage device, the host microcontroller will further detect the storage
Whether upgrade file is saved in equipment, wherein the upgrade file is the upgrade file for the display.
In the present embodiment, if the storage device does not preserve upgrade file, the host microcontroller can be to described
USB switch, which is sent, recovers instruction, or, the host microcontroller, pass through the host microcontroller and the auxiliary microcontroller
Communication port between device, notify the auxiliary microcontroller is sent to the USB switch to recover instruction.
The USB switch receives the recovery instruction, it will the interface being connected with the USB uplink ports, and
The interface being connected with the USB interface expander is attached so that the USB uplink ports and the USB interface expander
In connected state.That is, the display is made to revert to the state before not triggering upgrading.
If saving upgrade file in the storage device, the host microcontroller will be read from the storage device
Take the upgrade file.Wherein, the upgrade file can be divided into upgrade file and the institute of the host microcontroller based on type
State the upgrade file of auxiliary microcontroller.
In the present embodiment, after the host microcontroller reads the upgrade file, it will judge the upgrading read
Whether file includes the upgrade file of the host microcontroller and the upgrade file of the auxiliary microcontroller.
If the upgrade file read includes the upgrade file of the host microcontroller and the auxiliary microcontroller
The upgrade file of device, the host microcontroller can be upgraded based on the upgrade file of the host microcontroller.It is meanwhile described
Host microcontroller, by the communication port between the host microcontroller and the auxiliary microcontroller, by the auxiliary micro-control
The upgrade file of device processed is sent to the auxiliary microcontroller.
If the upgrade file read only includes the upgrade file of the host microcontroller, the main microcontroller
Device only needs the upgrade file based on the host microcontroller to be upgraded；If the upgrade file read only includes institute
The upgrade file of auxiliary microcontroller is stated, then the host microcontroller only needs micro- by the host microcontroller and the auxiliary
Communication port between controller, the upgrade file of the auxiliary microcontroller is sent to the auxiliary microcontroller.
After the auxiliary microcontroller receives the upgrade file that the host microcontroller is sent, the upgrading can be based on
File is upgraded.
To sum up described in embodiment one and embodiment two, USB switch, the USB switch are provided with the display
It is connected between the host microcontroller of the display and the USB interface expander of the display, and is connected to described aobvious
Show between the USB uplink ports of device and the USB interface expander of the display.During the display starting, the USB switchings
Device connects the connection of the USB downstream port of the host microcontroller and the display.The host microcontroller is under the USB
Upgrade file is read in the storage device of row port access.Based on the upgrade file, the host microcontroller and described is realized
The upgrading of microcontroller is aided in, and after completing to upgrade, the USB switch connects the USB interface expander and the USB
The connection of uplink port.
On the one hand, connect due to reducing the host microcontroller and the auxiliary microcontroller dedicated for the outside of upgrading
Mouthful, display difficulty in structure design can be reduced, and improve the waterproof and antistatic property of the display.
On the other hand, the storage device that will preserve upgrade file accesses the downlink port of the existing display, can be with
The convenience during display upgrading is improved, and, user will not be again to the auxiliary microcontroller of the host microcontroller
The upgrade interface of device carries out maloperation, can improve the security performance of the display.
It should be noted that it above are only preferred embodiment i.e. institute's application technology principle of the application.People in the art
Member can be carried out various bright for a person skilled in the art it will be appreciated that the invention is not restricted to specific embodiment described here
Aobvious change, the protection domain readjusted and substituted without departing from the application.Therefore, although by above example to this
Application is described in further detail, but the application is not limited only to above example, is not departing from the application design
In the case of, other more equivalent embodiments can also be included, and scope of the present application has scope of the appended claims decision.
Claims (11)
1. under a kind of display, including host microcontroller, auxiliary microcontroller, USB interface expander, USB uplink ports, USB
Row port, the USB interface expander are used to connect USB uplink ports or USB downstream port；Characterized in that, also include
USB switch, the USB switch is connected between the host microcontroller and the USB interface expander, and is connected to
Between the USB uplink ports and the USB interface expander；
The USB switch is used to connect the host microcontroller and the company of the USB downstream port based on the first control instruction
Connect；It is additionally operable to the connection completed instruction based on upgrading and connect the USB interface expander and the USB uplink ports；
First control instruction includes the control instruction for being used for trigger scope upgrading.
2. display according to claim 1, it is characterised in that first control instruction is sent out by the host microcontroller
The USB switch is delivered to, or is sent by the auxiliary microcontroller to the USB switch；Instruction is completed in the upgrading
Sent to the USB switch by host microcontroller, or sent by the auxiliary microcontroller to the USB switch.
3. display according to claim 1, it is characterised in that the host microcontroller is used to detect the USB downstream
Whether port is connected to storage device, if the USB downstream port is not connected with storage device, is sent to the USB switch
Recover instruction, or notify the auxiliary microcontroller is sent to the USB switch to recover instruction；
The USB switch is additionally operable to based on the company for recovering the instruction connection USB interface expander and the USB uplink ports
Connect.
4. display according to claim 3, it is characterised in that if the host microcontroller is additionally operable under the USB
Row port is connected to storage device, further detects whether the storage device saves upgrade file, if the storage is set
It is standby not preserve upgrade file, sent to the USB switch and recover instruction, or notify the auxiliary microcontroller to described
USB switch, which is sent, recovers instruction.
5. according to the display described in right 4, it is characterised in that the host microcontroller is additionally operable to read in the storage device
Upgrade file, if the upgrade file includes the upgrade file of the host microcontroller, based on the host microcontroller
Upgrade file is upgraded；If being additionally operable to the upgrade file also includes the upgrade file of the auxiliary microcontroller, by institute
The upgrade file for stating auxiliary microcontroller is sent to the auxiliary microcontroller.
6. display according to claim 5, it is characterised in that the auxiliary microcontroller is used to receive the main micro-control
The upgrade file for the auxiliary microcontroller that device processed is sent, and upgraded based on the auxiliary microcontroller.
7. a kind of upgrade method, applied to display, the display includes host microcontroller, auxiliary microcontroller, USB interface
Expander, USB uplink ports, USB downstream port, the USB interface expander are used to connect under USB uplink ports or USB
Row port, it is characterised in that the display also includes USB switch, and the USB switch is connected to the host microcontroller
Between the USB interface expander, and it is connected between the USB uplink ports and the USB interface expander, wraps
Include：
The USB switch connects the host microcontroller and the connection of the USB downstream port based on the first control instruction；Its
In, first control instruction includes the control instruction for being used for trigger scope upgrading；
Upgrade file is read in the storage device that the host microcontroller is connected from the USB downstream port；
The upgrading of the display is performed based on the upgrade file, and after the display completes upgrading, the USB switchings
Device completes the connection of the instruction connection USB interface expander and the USB uplink ports based on upgrading.
8. according to the method for claim 7, it is characterised in that the host microcontroller connects from the USB downstream port
Upgrade file is read in the storage device connect, including：
The host microcontroller detects whether the USB downstream port is connected to storage device；
If the USB downstream port is connected to storage device, the host microcontroller is further detected in the storage device
Whether upgrade file is saved；
If saving upgrade file in the storage device, the host microcontroller reads the liter from the storage device
Level file.
9. according to the method for claim 8, it is characterised in that if the USB downstream port is not connected with storage device, or
Storage device described in person does not preserve upgrade file, and methods described also includes：
The host microcontroller is sent to the USB switch recovers instruction, or the host microcontroller notifies the auxiliary
Microcontroller is sent to the USB switch recovers instruction, so that the USB switch is based on described recover described in instruction connection
The connection of USB interface expander and the USB uplink ports.
10. according to the method described in claim any one of 7-8, it is characterised in that the upgrade file is based on type difference institute
The upgrade file of host microcontroller and the upgrade file of the auxiliary microcontroller are stated, it is described that institute is performed based on the upgrade file
The upgrading of display is stated, including：
If the upgrade file includes the upgrade file of the host microcontroller and the upgrade file of the auxiliary microcontroller,
Upgrade file of the host microcontroller based on the host microcontroller is upgraded；And
By the communication port between the host microcontroller and the auxiliary microcontroller, the host microcontroller will be described auxiliary
Help the upgrade file of microcontroller to send to the auxiliary microcontroller, the auxiliary microcontroller and be based on the auxiliary microcontroller
The upgrade file of device is upgraded.
11. according to the method for claim 10, it is characterised in that methods described also includes；
If the upgrade file only includes the upgrade file of the host microcontroller, it is micro- that the host microcontroller is based on the master
The upgrade file of controller is upgraded；
If the upgrade file only includes the upgrade file of the auxiliary microcontroller, by the host microcontroller and described
The communication port between microcontroller is aided in, the host microcontroller sends the upgrade file of the auxiliary microcontroller to institute
Auxiliary microcontroller is stated, upgrade file of the auxiliary microcontroller based on the auxiliary microcontroller is upgraded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710795386.3A CN107643900B (en) | 2017-09-06 | 2017-09-06 | Display and upgrading method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710795386.3A CN107643900B (en) | 2017-09-06 | 2017-09-06 | Display and upgrading method |
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| Publication Number | Publication Date |
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| CN107643900A true CN107643900A (en) | 2018-01-30 |
| CN107643900B CN107643900B (en) | 2020-08-04 |
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| CN201710795386.3A Active CN107643900B (en) | 2017-09-06 | 2017-09-06 | Display and upgrading method |
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Also Published As
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| CN107643900B (en) | 2020-08-04 |
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Effective date of registration: 20220727 Address after: Room 409, No. 192 Kezhu Road, Huangpu District, Guangzhou, Guangdong 510670 Patentee after: Guangzhou Shichuang Display Technology Co.,Ltd. Address before: 510530 No. 6, Yun Po four road, Whampoa District, Guangzhou, Guangdong. Patentee before: GUANGZHOU SHIYUAN ELECTRONICS Co.,Ltd. Patentee before: GUANGZHOU XICOO MEDICAL TECHNOLOGY Co.,Ltd. |