CN102722423A - Portable terminal and self-restoration method thereof - Google Patents
Portable terminal and self-restoration method thereof Download PDFInfo
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- CN102722423A CN102722423A CN2011100766271A CN201110076627A CN102722423A CN 102722423 A CN102722423 A CN 102722423A CN 2011100766271 A CN2011100766271 A CN 2011100766271A CN 201110076627 A CN201110076627 A CN 201110076627A CN 102722423 A CN102722423 A CN 102722423A
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Abstract
The invention provides a portable terminal and a self-restoration method thereof. The portable terminal comprises a programmable logic controller, an embedded controller, a first storage module and a second storage module, wherein, by a connection between the programmable logic controller and the embedded controller, a startup program is saved in the first storage module and a startup program backup is saved in the second storage module; and the second storage module is connected with the programmable logic controller. The self-restoration method comprises the following steps: determining whether or not the embedded controller is normal after a startup signal of the portable terminal is obtained by the programmable logic controller; starting up the portable terminal normally if the embedded controller is normal; and if the embedded controller is abnormal, copying the startup program backup from the second storage module into the first storage module and controlling the embedded controller to restart the portable terminal by the programmable logic controller. With the portable terminal and the self-restoration method thereof, the simple and convenient program restoration of the embedded controller is enabled, so that the portable terminal becomes very human.
Description
Technical field
The invention belongs to the portable terminal field, the method that relates in particular to a kind of portable terminal and repair voluntarily.
Background technology
Important component part as portable terminal; Basic Input or Output System (BIOS) (BIOS) and embedded controller; BIOS is mainly used in detection and the initialization of accomplishing basic input-output device; And the main function of embedded controller is responsible for powering on to portable terminal exactly, because portable terminal has a very big power module unlike the desktop computer that kind, as long as the module that plugs in will provide the needed electric energy of each equipment.Because BIOS and embedded controller are the bottom software in the portable terminal, just can influence the normal use of portable terminal in case go wrong.
In the prior art, mostly be the method that BIOS is repaired, if the program of embedded controller goes wrong; Portable terminal just can't be started shooting so, even reparation still can't be started shooting to BIOS, can only send out portable terminal back to factory and office; Perhaps upgrade a new mainboard, quite inconvenience.
Summary of the invention
The present invention is for solving the technical matters that portable terminal in the prior art can't be repaired the program of embedded controller; The method that a kind of portable terminal is provided and repairs voluntarily; Can repair the program of embedded controller; And simple and convenient, make portable terminal hommization more.
The method that the present invention provides a kind of portable terminal to repair voluntarily; Said portable terminal comprises programmable logic controller (PLC), embedded controller, is connected and is used to preserve first memory module of boot program and second memory module of preserving the backup boot program with said embedded controller through programmable logic controller (PLC); Said second memory module is connected with said programmable logic controller (PLC), said method comprising the steps of:
When programmable logic controller (PLC) gets access to the starting-up signal of portable terminal, judge whether embedded controller is normal;
If normal, the portable terminal normal boot-strap;
If it is undesired; Programmable logic controller (PLC) copies to the backup boot program in second memory module in first memory module and controls embedded controller and restart, and perhaps programmable logic controller (PLC) cuts off the communication of first memory module and said embedded controller and sets up the communication of second memory module and said embedded controller and control embedded controller and restart.
The present invention also provides a kind of portable terminal; Said portable terminal comprises programmable logic controller (PLC), embedded controller, lead to through programmable logic controller (PLC) and said embedded controller and connect and be used to preserve first memory module of boot program and second memory module of preserving the backup boot program, and said second memory module is connected with said programmable logic controller (PLC);
Wherein programmable logic controller (PLC) is used for when getting access to the starting-up signal of portable terminal, judges whether embedded controller is normal, if normal, the portable terminal normal boot-strap; If it is undesired; Backup boot program in second memory module is copied in first memory module and controls embedded controller and restart, perhaps cut off the communication of first memory module and said embedded controller and set up the communication of second memory module and said embedded controller and control embedded controller and restart.
Can find out from the scheme that portable terminal of the present invention is repaired voluntarily; Boot program through in first memory module, preserving is promptly preserved the embedded controller program; When the embedded controller program can't normally be moved when embedded controller is undesired; Backup boot program in second memory module is copied to second memory module that perhaps directly will have the backup boot program in first memory module to be connected with embedded controller; Also just the embedded controller that goes wrong has been repaired, this method is simple and convenient, makes portable terminal hommization more.
Description of drawings
Fig. 1 is the structured flowchart of a kind of embodiment of portable terminal of the present invention.
Fig. 2 is the portable terminal of the present invention process flow diagram of a kind of embodiment of restorative procedure voluntarily.
Fig. 3 judges the process flow diagram of a kind of embodiment of embedded controller normal method for the present invention.
Fig. 4 judges the process flow diagram of the another kind of embodiment of embedded controller normal method for the present invention.
Fig. 5 is the portable terminal of the present invention process flow diagram of the another kind of embodiment of restorative procedure voluntarily.
The process flow diagram of Fig. 6 a kind of embodiment of basic input and output normal method for the present invention judges.
Fig. 7 judges the process flow diagram of the another kind of embodiment of embedded controller normal method for the present invention.
Embodiment
Clearer for technical matters, technical scheme and beneficial effect that the present invention is solved, below in conjunction with accompanying drawing and embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
The present invention provides the portable terminal of a kind of embodiment; As shown in Figure 1; Said portable terminal comprises programmable logic controller (PLC) 1, embedded controller 2, is connected and is used to preserve first memory module 3 of boot program and second memory module 4 of preserving the backup boot program through programmable logic controller (PLC) 1 and said embedded controller 2, and said second memory module 4 is connected with said programmable logic controller (PLC) 1;
Wherein programmable logic controller (PLC) 1, is used for when getting access to the starting-up signal of portable terminal, judges whether embedded controller is normal, if normal, the portable terminal normal boot-strap; If it is undesired; Backup boot program in second memory module 4 is copied in first memory module 3 and controls embedded controller 2 and restart, perhaps cut off the communication of first memory module 3 and said embedded controller 2 and set up the communication of second memory module 4 and said embedded controller 2 and control embedded controller 2 and restart.
Promptly preserve the embedded controller program through in first memory module 3, preserving boot program; When embedded controller 2 can't normally be that the embedded controller program is can't normally move the time; Backup boot program in second memory module 4 is copied to second 4 of the storage moulds and the embedded controller 2 that perhaps directly will have the backup boot program in first memory module 3 carry out communication; Also just the embedded controller 2 that goes wrong has been repaired; This method is simple and convenient, makes portable terminal hommization more.
In the present embodiment; Said portable terminal comprises mainboard 10; And be arranged on central processing unit 20, north bridge chips 30, the South Bridge chip 40 on the mainboard 10; Said central processing unit 20 is connected with South Bridge chip 40 respectively at said north bridge chips 30, and South Bridge chip 40 is connected with said embedded controller 2.
Said portable terminal also comprises the power button 50 that is connected with embedded controller 2 that is arranged on the mainboard 10; When power button 50 is pressed; Programmable logic controller (PLC) 1 just can get access to the starting-up signal of portable terminal; Certainly programmable logic controller (PLC) 1, embedded controller 2, first memory module 3 and second memory module 4 also are arranged on the said mainboard 10; The boot program of preserving in first memory module 3 comprises embedded controller program and Basic Input or Output System (BIOS) program; And the backup boot program in second memory module 4 comprises the embedded controller program, perhaps comprises embedded controller program and Basic Input or Output System (BIOS) program.When power button 50 is pressed; Embedded controller 2 powers on fully and outputs signal to South Bridge chip 40, and South Bridge chip 40 can one of output feed back signal to embedded controller 2, then embedded controller program run; When the embedded controller program just often; Just the preset level signal of output powers on for the system of programmable logic controller (PLC) 1 and control portable terminal in order, after central processing unit 20 powers on, and the Basic Input or Output System (BIOS) that just brings into operation program; When the Basic Input or Output System (BIOS) program run just often; Central processing unit 20 can give programmable logic controller (PLC) 1 no problem with explanation Basic Input or Output System (BIOS) program through the preset level signal of north bridge chips 30 or South Bridge chip 40 outputs, can normal boot-strap, and when the embedded controller program goes wrong; Just can't export preset level signal and give programmable logic controller (PLC) 1; The system that controls portable terminal so also just can't power on, and when the Basic Input or Output System (BIOS) program went wrong, portable terminal can't normal boot-strap or occurred problem such as blue screen during start.
In order to realize the reparation voluntarily of portable terminal; The method that the present invention provides the portable terminal of a kind of embodiment to repair voluntarily; Said portable terminal comprises programmable logic controller (PLC) 1, embedded controller 2, is connected and is used to preserve first memory module 3 of boot program and second memory module 4 of preserving the backup boot program through programmable logic controller (PLC) 1 and said embedded controller 2; Said second memory module 4 is connected with said programmable logic controller (PLC) 1, said method comprising the steps of:
When programmable logic controller (PLC) 1 gets access to the starting-up signal of portable terminal, judge whether embedded controller 2 is normal;
If normal, the portable terminal normal boot-strap;
If it is undesired; Programmable logic controller (PLC) 1 copies to the backup boot program in second memory module 4 in first memory module 3 and controls embedded controller 2 and restart, and perhaps programmable logic controller (PLC) 1 cuts off the communication of first memory module 3 and said embedded controller 2 and sets up the communication of second memory module 4 and said embedded controller 2 and control embedded controller 2 and restart.
In the present embodiment, as shown in Figure 2, the step of the method practical implementation that this is repaired voluntarily is following:
Step S01 presses power button 50, gets into step S02;
Step S02 when programmable logic controller (PLC) 1 gets access to the starting-up signal of portable terminal, judges whether embedded controller 2 is normal, if normal, gets into step S03, if undesired, gets into step S04;
Step S03, the portable terminal normal boot-strap;
Step S04, programmable logic controller (PLC) 1 copies to the backup boot program in second memory module 4 in first memory module 3 and controls embedded controller 2 and restart.
For step S04; Certainly can also will cut off being connected of first memory module 3 and said embedded controller 2 and set up being connected and controlling the mode that embedded controller 2 restarts of second memory module 4 and said embedded controller 2 through programmable logic controller (PLC) 1; Embedded controller 2 to going wrong is repaired; But in the present embodiment; Be through programmable logic controller (PLC) 1 mode that the backup boot program in second memory module 4 copies in first memory module 3 to be repaired, while programmable logic controller (PLC) 1 also can be controlled embedded controller 2 and restart, because in a single day embedded controller 2 restarts; Mainboard will power down; When embedded controller 2 restarts, programmable logic controller (PLC) 1 just can detect starting-up signal again, and portable terminal system is convenient to move once more portable terminal restorative procedure step voluntarily.
Can find out from above scheme; Promptly preserve the embedded controller program through in first memory module 3, preserving boot program; When the embedded controller program can't normally be moved when embedded controller 2 is undesired, the backup boot program in second memory module 4 is copied in first memory module 3, also just the embedded controller 2 that goes wrong has been repaired; This method is simple and convenient, makes portable terminal hommization more.
Whether further, go wrong and when going wrong, in time repair in order accurately to judge embedded controller 2, as shown in Figure 3, the concrete steps of a step S02 embodiment are following,
Step S021, when programmable logic controller (PLC) 1 got access to the starting-up signal of portable terminal, programmable logic controller (PLC) 1 detected the level signal of embedded controller 2 outputs,
Step S022 judges whether the level signal of embedded controller 2 outputs is the first predetermined level signal;
Step S023, when the embedded controller 2 outputs first predetermined level signal, programmable logic controller (PLC) 1 judges that embedded controller is normal;
Step S024, when embedded controller 2 was not exported the first predetermined level signal, programmable logic controller (PLC) 1 judged that embedded controller is undesired.
Further, in order to prevent programmable logic controller (PLC) 1 empty the wait, as shown in Figure 4, the concrete steps of the another kind of embodiment of step S02 are following,
Step S0201, when programmable logic controller (PLC) 1 got access to the starting-up signal of portable terminal, programmable logic controller (PLC) 1 detected the level signal of embedded controller 2 outputs and picks up counting,
Step S0202 judges whether embedded controller exports the first predetermined level signal in first preset time T 1;
Step S0203, when embedded controller 2 was exported the first predetermined level signal in first preset time T 1, programmable logic controller (PLC) 1 judged that embedded controller is normal;
Step S0204, when embedded controller 2 was not exported the first predetermined level signal in first preset time T 1, programmable logic controller (PLC) 1 judged that embedded controller is undesired.
In practical implementation; Said backup boot program comprises the embedded controller program; When but the backup boot program only comprises the embedded controller program; Can only repair the embedded controller 2 that goes wrong, under the preferable case, said backup boot program comprises embedded controller program and Basic Input or Output System (BIOS) program.
In practical implementation; For portable terminal can judge exactly whether the Basic Input or Output System (BIOS) program goes wrong and repair better; Method as shown in Figure 5, that the present invention provides the portable terminal of another kind of embodiment to repair voluntarily, the backup boot program comprises embedded controller program and Basic Input or Output System (BIOS) program in second memory module 4; Specifically may further comprise the steps
Step S010 presses power button 50, gets into step S020;
Step S020 when programmable logic controller (PLC) 1 gets access to the starting-up signal of portable terminal, judges whether embedded controller 2 is normal, if normal, gets into step S030, if undesired, gets into step S050;
Step S030, programmable logic controller (PLC) judge whether Basic Input or Output System (BIOS) is normal, if normal, get into step S040; If undesired, get into step S050;
Step S040, the portable terminal normal boot-strap;
Step S050, programmable logic controller (PLC) 1 copies to the backup boot program in second memory module 4 in first memory module 3 and controls embedded controller 2 and restart.
Can find out from above scheme; Boot program in first memory module 3 comprises embedded controller program and Basic Input or Output System (BIOS) program; Backup boot program in second memory module 4 also comprises embedded controller program and Basic Input or Output System (BIOS) program; Therefore when embedded controller 2 is undesired or Basic Input or Output System (BIOS) undesired; Backup boot program in second memory module 4 is copied to second memory module 4 that perhaps directly will have the backup boot program in first memory module be connected, just can repair, to guarantee portable terminal ability normal boot-strap embedded controller 2 and Basic Input or Output System (BIOS) with embedded controller 2; And this restorative procedure is simple and convenient, makes portable terminal hommization more.In addition; In the prior art when Basic Input or Output System (BIOS) is repaired; Generally can only the boot of Basic Input or Output System (BIOS) be detected and repair; But can't repair when but the master routine of Basic Input or Output System (BIOS) goes wrong, but in the said method, the backup boot program in second memory module 4 copied to second memory module 4 that perhaps directly will have the backup boot program in first memory module be connected with embedded controller 2; No matter the boot or the master routine that are Basic Input or Output System (BIOS) go wrong, all can repair.
Whether further, go wrong and when going wrong, in time repair in order accurately to judge Basic Input or Output System (BIOS), as shown in Figure 6, the concrete steps of a step S030 embodiment are following,
Step S031 after programmable logic controller (PLC) 1 judges that embedded controller 2 normally, detects the level signal of Basic Input or Output System (BIOS) output;
Step S032 judges whether the level signal of Basic Input or Output System (BIOS) output is the second predetermined level signal;
Step S033, when Basic Input or Output System (BIOS) was exported the second predetermined level signal, programmable logic controller (PLC) 1 judged that Basic Input or Output System (BIOS) is normal;
Step S034, when Basic Input or Output System (BIOS) was not exported the second predetermined level signal, programmable logic controller (PLC) 1 judged that Basic Input or Output System (BIOS) is undesired.
In step S031; The level signal of Basic Input or Output System (BIOS) output; Because after central processing unit 20 powers on, the Basic Input or Output System (BIOS) that just brings into operation program, when the Basic Input or Output System (BIOS) program run just often; Central processing unit 20 can be given programmable logic controller (PLC) 1 through north bridge chips 30 or the preset level signal of South Bridge chip 40 outputs, so the level signal of Basic Input or Output System (BIOS) output is through north bridge chips 30 or South Bridge chip 40 outputs.
Further, whether go wrong and when going wrong, in time repair, and prevent that the sky of programmable logic controller (PLC) 1 from waiting for that as shown in Figure 7, the concrete steps of a step S030 embodiment are following in order more accurately to judge Basic Input or Output System (BIOS),
Step S0301, after programmable logic controller (PLC) 1 judged that embedded controller 2 is normally, programmable logic controller (PLC) 1 detected the level signal of Basic Input or Output System (BIOS) output and picks up counting;
Step S0302 judges whether Basic Input or Output System (BIOS) exports the second predetermined level signal in second preset time T 2;
Step S0303, when Basic Input or Output System (BIOS) was exported the second predetermined level signal in second preset time T 2, programmable logic controller (PLC) 1 judged that Basic Input or Output System (BIOS) is normal;
Step S0304, when Basic Input or Output System (BIOS) was not exported the second predetermined level signal in second preset time T 2, programmable logic controller (PLC) 1 judged that Basic Input or Output System (BIOS) is undesired.
In practical implementation; The said first predetermined level signal and the second predetermined level signal can be high level signal, low level signal or pulse signal; Such as; When the first predetermined level signal and the second predetermined level signal are high level, when programmable logic controller (PLC) 1 receives the high level signal of embedded controller 2 outputs in first preset time T 1, explain that then embedded controller 2 is normal; When programmable logic controller (PLC) 1 receives the high level signal of Basic Input or Output System (BIOS) output in second preset time T 2, explain that then Basic Input or Output System (BIOS) is normal.
The above is merely preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of within spirit of the present invention and principle, being done, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (11)
1. method that portable terminal is repaired voluntarily; It is characterized in that; Said portable terminal comprises programmable logic controller (PLC), embedded controller, is connected and is used to preserve first memory module of boot program and second memory module of preserving the backup boot program with said embedded controller through programmable logic controller (PLC); Said second memory module is connected with said programmable logic controller (PLC), said method comprising the steps of:
When programmable logic controller (PLC) gets access to the starting-up signal of portable terminal, judge whether embedded controller is normal;
If normal, the portable terminal normal boot-strap;
If it is undesired; Programmable logic controller (PLC) copies to the backup boot program in second memory module in first memory module and controls embedded controller and restart, and perhaps programmable logic controller (PLC) cuts off the communication of first memory module and said embedded controller and sets up the communication of second memory module and said embedded controller and control embedded controller and restart.
2. the method for claim 1 is characterized in that, whether normally said programmable logic controller (PLC) judges embedded controller step, specifically may further comprise the steps,
When programmable logic controller (PLC) got access to the starting-up signal of portable terminal, programmable logic controller (PLC) detected the level signal of embedded controller output, and judged whether the level signal of embedded controller output is the first predetermined level signal;
When embedded controller was exported the first predetermined level signal, programmable logic controller (PLC) judged that embedded controller is normal.
3. the method for claim 1 is characterized in that, whether normally said programmable logic controller (PLC) judges embedded controller step, specifically may further comprise the steps,
When programmable logic controller (PLC) gets access to the starting-up signal of portable terminal; Programmable logic controller (PLC) detects the level signal of embedded controller output and picks up counting, and judges whether embedded controller exports the first predetermined level signal in first Preset Time;
When embedded controller was exported preset level signal in first Preset Time, programmable logic controller (PLC) judged that embedded controller is normal.
4. like any described method of claim 1-3, it is characterized in that said backup boot program specifically comprises the embedded controller program, perhaps comprise embedded controller program and Basic Input or Output System (BIOS) program.
5. method as claimed in claim 4; It is characterized in that, when said backup boot program specifically comprises embedded controller program and Basic Input or Output System (BIOS) program, after programmable logic controller (PLC) is judged the normal step of embedded controller; Further comprising the steps of
Programmable logic controller (PLC) judges whether said Basic Input or Output System (BIOS) is normal;
If normal, the step of execution portable terminal normal boot-strap;
If it is undesired; Carry out programmable logic controller (PLC) and copy to the backup boot program in second memory module in first memory module and control embedded controller and restart, perhaps programmable logic controller (PLC) cuts off being connected of first memory module and said embedded controller and sets up being connected and controlling the step that embedded controller restarts of second memory module and said embedded controller.
6. method as claimed in claim 5 is characterized in that, whether normally said programmable logic controller (PLC) judges said Basic Input or Output System (BIOS) step, specifically may further comprise the steps,
After programmable logic controller (PLC) judges that embedded controller is normal, detect the level signal of Basic Input or Output System (BIOS) output, and judge whether the level signal of Basic Input or Output System (BIOS) output is the second predetermined level signal;
When whether the level signal of Basic Input or Output System (BIOS) output was the second predetermined level signal, programmable logic controller (PLC) judged that Basic Input or Output System (BIOS) is normal.
7. method as claimed in claim 5 is characterized in that, whether normally said programmable logic controller (PLC) judges said Basic Input or Output System (BIOS) step, specifically may further comprise the steps,
After programmable logic controller (PLC) judges that embedded controller is normal; Programmable logic controller (PLC) detects the level signal of Basic Input or Output System (BIOS) output and picks up counting, and judges whether Basic Input or Output System (BIOS) exports the second predetermined level signal in second Preset Time;
When Basic Input or Output System (BIOS) was exported the second predetermined level signal in second Preset Time, programmable logic controller (PLC) judged that Basic Input or Output System (BIOS) is normal.
8. method as claimed in claim 6 is characterized in that, the said second predetermined level signal is high level signal, low level signal or pulse signal.
9. method as claimed in claim 7 is characterized in that, the said second predetermined level signal is high level signal, low level signal or pulse signal.
10. like claim 2 or 3 described methods, it is characterized in that the said first predetermined level signal is high level signal, low level signal or pulse signal.
11. portable terminal; It is characterized in that; Said portable terminal comprises programmable logic controller (PLC), embedded controller, lead to through programmable logic controller (PLC) and said embedded controller and connect and be used to preserve first memory module of boot program and second memory module of preserving the backup boot program, and said second memory module is connected with said programmable logic controller (PLC);
Wherein programmable logic controller (PLC) is used for when getting access to the starting-up signal of portable terminal, judges whether embedded controller is normal, if normal, the portable terminal normal boot-strap; If it is undesired; Backup boot program in second memory module is copied in first memory module and controls embedded controller and restart, perhaps cut off the communication of first memory module and said embedded controller and set up the communication of second memory module and said embedded controller and control embedded controller and restart.
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Application publication date: 20121010 |