CN104657235A - Self recovery system and state detecting method of self recovery system - Google Patents
Self recovery system and state detecting method of self recovery system Download PDFInfo
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- CN104657235A CN104657235A CN201510097030.3A CN201510097030A CN104657235A CN 104657235 A CN104657235 A CN 104657235A CN 201510097030 A CN201510097030 A CN 201510097030A CN 104657235 A CN104657235 A CN 104657235A
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Abstract
The embodiment of the invention relates to a self recovery system and a state detecting method of the self recovery system. The technical problem that during recovery of the current independent watchdog, a projector is in a standby state all the time after the projector is reset, and then a screen is black and does not display in the standby state is solved. The self recovery system comprises a monitoring module, a control module and a latch module, wherein the monitoring module and the control module are electrically connected; the latch module is electrically connected with the control module and is used for locking the working state of the system; the control module is used for acquiring a reset signal of the monitoring module to reset a host machine; a state type output by the latch module is detected, if the state type is a default state, the host machine enters the standby state, and if the state type is a reset abnormal state, a preset abnormity processing mode is executed, so that the host machine is reset to the working state before abnormity; the reset abnormal state is that the state type output by the latch module is the last preset state after the host machine is started.
Description
Technical field
The present invention relates to signal processing technology field, particularly relate to the condition detection method of a kind of automatic recovery system and automatic recovery system.
Background technology
, generally there is several duty in the projector of DLP joined screen system: descend electricity, power on standby and normal operating conditions.Projector's major control core is controller (CPU, MCU or FPGA etc.), and the holding state of projector and normal operating conditions are controlled by controller.And this kind of electron device of controller likely can cause duty abnormal due to self reason (program fleet etc.) or external cause (electromagnetic interference (EMI) etc.) in operational process.
At present, for the problem that controller resets, industry can add watchdog circuit usually when this circuit of design, and under the effect of watchdog circuit, can ensure can reset after controller extremely gets back to original state (holding state).
The reset of above-mentioned independent house dog, because it cannot judge the reset after normal electrification reset or controller exception, so can cause projector reset after be in holding state always, thus result in holding state can be in blank screen without display technical matters.Also be can cause projector's blank screen after controller state exception, normally cannot show the technical matters of image.
Summary of the invention
Embodiments provide the condition detection method of a kind of automatic recovery system and automatic recovery system, solve the reset of house dog independent at present, because it cannot judge the reset after normal electrification reset or controller exception, so be in holding state after projector can be caused to reset always, the holding state caused can be in the technical matters of blank screen without display, also be can cause projector's blank screen after controller state exception, the technical matters that normally cannot show image is solved.
A kind of automatic recovery system that the embodiment of the present invention provides, comprising:
Comprise monitoring module and control module, described monitoring module is connected by electric connection mode with described control module, also comprises:
Latch module, is connected by electric connection mode with described control module, for the duty of latched system;
Wherein, described control module gets the reset signal of described monitoring module, make host reset, detect the Status Type that described latch module exports, if default conditions, then described main frame enters holding state, if it is abnormal to reset, then perform preset abnormality processing pattern, make described main frame recover the duty extremely;
The described Status Type resetting the abnormal described latch module output for detecting is the last preset condition after main frame start.
Preferably, described automatic recovery system also comprises:
Memory module, is electrically connected with described control module, for storing the configuration information parameter of described main frame.
Preferably, described preset abnormality processing pattern be reading pre-stored described memory module described on described configuration information parameter once under preset condition in described main frame.
Preferably, described latch module is status latch.
The condition detection method of a kind of automatic recovery system that the embodiment of the present invention provides, comprising:
Described automatic recovery system comprises: monitoring module, control module and latch module;
The main frame be connected with described automatic recovery system is resetted;
Detect the Status Type that described latch module exports, if default conditions, then described main frame enters holding state, if it is abnormal to reset, then performs preset abnormality processing pattern, makes described main frame recover the duty extremely;
Wherein, the described Status Type resetting the abnormal described latch module output for detecting is the last preset condition after main frame start.
Preferably, preset abnormality processing step comprises:
Restart described main frame, and from the memory module be connected with described control module reading pre-stored described memory module described on configuration information parameter once under preset condition in described main frame.
Preferably, described main frame enters holding state and specifically comprises:
Described main frame enters holding state, and waits for the steering order of the outside control end connected.
Preferably, the main frame be connected with described automatic recovery system is resetted before also comprise:
After described main frame normally powers on, described monitoring module provides reset signal to described control module;
Meanwhile, described latch module exports described default conditions to described control module after powering on;
Send control command to start shooting to described main frame, the state that the described latch mode after setting start exports is described last preset condition;
Configure the described configuration information parameter of described main frame, and be saved in described memory module.
Preferably, described latch module is status latch.
Preferably, the main frame be connected with described automatic recovery system carried out resetting specifically comprise:
The main frame be connected with described automatic recovery system is resetted, and initialization I/O port.
As can be seen from the above technical solutions, the embodiment of the present invention has the following advantages:
A kind of automatic recovery system that the embodiment of the present invention provides and the condition detection method of automatic recovery system, wherein, automatic recovery system comprises: monitoring module and control module, monitoring module is connected by electric connection mode with control module, also comprise: latch module, be connected by electric connection mode with control module, for the duty of latched system; Wherein, control module gets the reset signal of monitoring module, makes host reset, detect the Status Type that latch module exports, if default conditions, then main frame enters holding state, abnormal if reset, then perform preset abnormality processing pattern, make main frame recover the duty extremely; The Status Type that the abnormal latch module for detecting that resets exports is the last preset condition after main frame start.In the present embodiment, by detecting the Status Type that latch module exports, if default conditions, then main frame enters holding state, abnormal if reset, then perform preset abnormality processing pattern, main frame is made to recover the duty extremely, and the Status Type that the abnormal latch module for detecting that resets exports is the last preset condition after main frame start, just controller state abnormality detection is achieved, solve the reset of house dog independent at present, because it cannot judge the reset after normal electrification reset or controller exception, so be in holding state after projector can be caused to reset always, the holding state caused can be in the technical matters of blank screen without display, also be can cause projector's blank screen after controller state exception, the technical matters that normally cannot show image is solved.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
A kind of structural representation of an embodiment of automatic recovery system of Fig. 1 for providing in the embodiment of the present invention;
A kind of structural representation of another embodiment of automatic recovery system of Fig. 2 for providing in the embodiment of the present invention;
A kind of schematic flow sheet of an embodiment of condition detection method of automatic recovery system of Fig. 3 for providing in the embodiment of the present invention;
A kind of schematic flow sheet of another embodiment of condition detection method of automatic recovery system of Fig. 4 for providing in the embodiment of the present invention.
Embodiment
Embodiments provide the condition detection method of a kind of automatic recovery system and automatic recovery system, solve the reset of house dog independent at present, because it cannot judge the reset after normal electrification reset or controller exception, so be in holding state after projector can be caused to reset always, the holding state caused can be in the technical matters of blank screen without display, also be can cause projector's blank screen after controller state exception, the technical matters that normally cannot show image is solved.
For making goal of the invention of the present invention, feature, advantage can be more obvious and understandable, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, the embodiments described below are only the present invention's part embodiments, and the embodiment of not all.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1, an embodiment of a kind of automatic recovery system provided in the embodiment of the present invention comprises:
Monitoring module 1 and control module 2, monitoring module 1 is connected by electric connection mode with control module 2, also comprises:
Latch module 3, is connected by electric connection mode with control module 2, for the duty of latched system;
Wherein, control module 2 gets the reset signal of monitoring module 1, makes host reset, detect the Status Type that latch module 3 exports, if default conditions, then main frame enters holding state, abnormal if reset, then perform preset abnormality processing pattern, make main frame recover the duty extremely;
The Status Type that the abnormal latch module 3 for detecting that resets exports is the last preset condition after main frame start.
It should be noted that, aforesaid monitoring module 1 can be watchdog circuit, and this watchdog circuit is known to the skilled person technology, just repeat no more, aforesaid control module 2 is known controller, such as MCU herein, or the controller that built-in field uses, be not specifically limited herein.
Main frame in the present embodiment can be projector.
In the present embodiment, by detecting the Status Type that latch module 3 exports, if default conditions, then main frame enters holding state, abnormal if reset, then perform preset abnormality processing pattern, main frame is made to recover the duty extremely, and the Status Type that the abnormal latch module 3 for detecting that resets exports is the last preset condition after main frame start, just controller state abnormality detection is achieved, solve the reset of house dog independent at present, because it cannot judge the reset after normal electrification reset or controller exception, so be in holding state after projector can be caused to reset always, the holding state caused can be in the technical matters of blank screen without display, also be can cause projector's blank screen after controller state exception, the technical matters that normally cannot show image is solved.
The above is described in detail each module of automatic recovery system, and will be described in detail add-on module below, and refer to Fig. 2, another embodiment of a kind of automatic recovery system provided in the embodiment of the present invention comprises:
Monitoring module 1 and control module 2, monitoring module 1 is connected by electric connection mode with control module 2, also comprises:
Latch module 3, is connected by electric connection mode with control module 2, and for the duty of latched system, this latch module 3 is status latch;
Wherein, control module 2 gets the reset signal of monitoring module 1, makes host reset, detect the Status Type that latch module 3 exports, if it is normal to reset, then main frame enters holding state, abnormal if reset, then perform preset abnormality processing pattern, make main frame recover the duty extremely.
It should be noted that, aforesaid monitoring module 1 can be watchdog circuit, and this watchdog circuit is known to the skilled person technology, just repeat no more, aforesaid control module 2 is known controller, such as MCU herein, or the controller that built-in field uses, be not specifically limited herein.
Automatic recovery system in the present embodiment can further include:
Memory module 4, is electrically connected with control module 2, and for the configuration information parameter of storage host, this memory module 4 is external memory modules.
Be understandable that, aforesaid preset abnormality processing pattern is that the configuration information parameter of reading pre-stored under the upper once preset condition of memory module 4 is in main frame.
Main frame in the present embodiment can be projector.
In the present embodiment, by detecting the Status Type that latch module 3 exports, if default conditions, then main frame enters holding state, abnormal if reset, then perform preset abnormality processing pattern, main frame is made to recover the duty extremely, and the Status Type that the abnormal latch module 3 for detecting that resets exports is the last preset condition after main frame start, just controller state abnormality detection is achieved, solve the reset of house dog independent at present, because it cannot judge the reset after normal electrification reset or controller exception, so be in holding state after projector can be caused to reset always, the holding state caused can be in the technical matters of blank screen without display, also be can cause projector's blank screen after controller state exception, the technical matters that normally cannot show image is solved, simultaneously, when abnormality, the configuration information parameter of reading pre-stored under the upper once preset condition of memory module is in main frame, main frame is made normally to return to the duty extremely.
Refer to Fig. 3, an embodiment of the condition detection method of a kind of automatic recovery system provided in the embodiment of the present invention comprises:
301, the main frame be connected with automatic recovery system is resetted;
In the present embodiment, when using the automatic recovery system shown in Fig. 1 and Fig. 2 to detect host work state, need the main frame be connected with automatic recovery system to reset, aforesaid main frame can be projector.
302, detect the Status Type of latch module output, if default conditions, then perform step 303, main frame enters holding state, if it is abnormal to reset, then performs preset abnormality processing step, makes main frame recover the duty extremely;
After the main frame be connected with automatic recovery system is resetted, need the Status Type detecting latch module output, normal if reset, then perform step 303, main frame enters holding state, abnormal if reset, then perform preset abnormality processing step, make main frame recover the duty extremely.
It should be noted that, the Status Type that the abnormal latch module for detecting that resets exports is the last preset condition after main frame start.
303, main frame enters holding state.
When the Status Type detecting latch module output is default conditions, then main frame enters holding state.
In the present embodiment, by detecting the Status Type that latch module exports, if default conditions, then main frame enters holding state, abnormal if reset, then perform preset abnormality processing pattern, main frame is made to recover the duty extremely, and the Status Type that the abnormal latch module for detecting that resets exports is the last preset condition after main frame start, just controller state abnormality detection is achieved, solve the reset of house dog independent at present, because it cannot judge the reset after normal electrification reset or controller exception, so be in holding state after projector can be caused to reset always, the holding state caused can be in the technical matters of blank screen without display, also be can cause projector's blank screen after controller state exception, the technical matters that normally cannot show image is solved.
The above is described in detail the process of the condition detection method of automatic recovery system, to be described in detail preset abnormality processing step below, refer to Fig. 4, another embodiment of the condition detection method of a kind of automatic recovery system provided in the embodiment of the present invention comprises:
401, after main frame normally powers on, monitoring module provides reset signal to control module;
In the present embodiment, before using the detection of the automatic recovery system shown in Fig. 1 and Fig. 2 host work state, need after main frame normally powers on, monitoring module provides reset signal to control module, such as projector normally powers on, and watchdog circuit provides power-on reset signal to controller.
402, latch module exports default conditions to control module after powering on;
After main frame normally powers on, monitoring module provides reset signal to after control module, exports default conditions to control module after latch module powers on.
403, send control command to start shooting to main frame, the state that the latch mode after setting start exports is last preset condition;
When export after latch module powers on default conditions to control module after, need send control command start shooting to main frame, setting start after latch mode export state be last preset condition.
404, the configuration information parameter of configure host, and be saved in memory module;
When transmission control command is started shooting to main frame, the state that the latch mode after setting start exports needs the configuration information parameter of configure host, and is saved in memory module after being last preset condition.
It should be noted that, aforesaid configuration information parameter can be the parameter such as brightness and color, is not specifically limited herein.
405, the main frame be connected with automatic recovery system is resetted, and initialization I/O port;
In the present embodiment, when using the automatic recovery system shown in Fig. 1 and Fig. 2 to detect host work state, need the main frame be connected with automatic recovery system to reset, and initialization I/O port, aforesaid main frame can be projector.
406, detect the Status Type that latch module exports, if default conditions, then perform step 407, main frame enters holding state, if it is abnormal to reset, then performs step 408;
After being resetted by the main frame be connected with automatic recovery system, need the Status Type detecting latch module output, if default conditions, then perform step 407, main frame enters holding state, if it is abnormal to reset, then performs step 408.
It should be noted that, the Status Type that the abnormal latch module for detecting that resets exports is the last preset condition after main frame start.
407, main frame enters holding state, and waits for the steering order of the outside control end connected;
When the Status Type detecting latch module output is default conditions, then main frame enters holding state, and waits for the steering order of the outside control end connected.
408, restart main frame, and the configuration information parameter of reading pre-stored under the upper once preset condition of memory module, in main frame, makes main frame recover the duty extremely from the memory module be connected with control module.
When the Status Type detecting latch module output is abnormal for resetting, then restart main frame, and the configuration information parameter of reading pre-stored under the upper once preset condition of memory module, in main frame, makes main frame recover the duty extremely from the memory module be connected with control module.
Latch module in the present embodiment is status latch.
In the present embodiment, by detecting the Status Type that latch module exports, if default conditions, then main frame enters holding state, abnormal if reset, then perform preset abnormality processing pattern, main frame is made to recover the duty extremely, and the Status Type that the abnormal latch module for detecting that resets exports is the last preset condition after main frame start, just controller state abnormality detection is achieved, solve the reset of house dog independent at present, because it cannot judge the reset after normal electrification reset or controller exception, so be in holding state after projector can be caused to reset always, the holding state caused can be in the technical matters of blank screen without display, also be can cause projector's blank screen after controller state exception, the technical matters that normally cannot show image is solved, simultaneously, when abnormality, the configuration information parameter of reading pre-stored under the upper once preset condition of memory module is in main frame, main frame is made normally to return to the duty extremely.
For ease of understanding, detect with the state of an embody rule scene to projector below, application examples comprises:
After projector system normally powers on, memory module provides power-on reset signal to be given to control module, state latch module exports default conditions A after powering on and is given to control module simultaneously, control module is in holding state, software is held to send out power-on command by PC, open projector, the state of latch module is set to B, represent that now projector is in normal boot-strap state, the color of configuration projector and luminance parameter, the configuration information such as brightness and color parameter preserved in a storage module, projector normally lights and shows image.
Projector is after normal work display image, if controller resets because self reason (program fleet etc.) or external cause (electromagnetic interference (EMI) etc.) cause duty abnormal, abnormality detection and treatment mechanism can be entered, after projector resets, first carry out the initialization of I/O port, and detect the output of latch module.If the state of latch module is A, illustrative system is normal electrification reset process, directly enters holding state, waits for the steering order of PC end.If the state B of latch module, then illustrate that control module has been exceptional reset.Now enter abnormality processing flow process: 1, automatically reopen projector; 2, the configuration information parameters such as last brightness and color are read from memory module; By configuration information parameter configuration in projector; Projector returns to the duty extremely, normally shows image.
Those skilled in the art can be well understood to, and for convenience and simplicity of description, the system of foregoing description, the specific works process of device and module, with reference to the corresponding process in preceding method embodiment, can not repeat them here.
In several embodiments that the application provides, should be understood that, disclosed system, apparatus and method, can realize by another way.Such as, device embodiment described above is only schematic, such as, the division of described module, be only a kind of logic function to divide, actual can have other dividing mode when realizing, such as multiple module or assembly can in conjunction with or another system can be integrated into, or some features can be ignored, or do not perform.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some interfaces, and the indirect coupling of device or module or communication connection can be electrical, machinery or other form.
The described module illustrated as separating component can or may not be physically separates, and the parts as module display can be or may not be physical module, namely can be positioned at a place, or also can be distributed on multiple mixed-media network modules mixed-media.Some or all of module wherein can be selected according to the actual needs to realize the object of the present embodiment scheme.
In addition, each functional module in each embodiment of the present invention can be integrated in a processing module, also can be that the independent physics of modules exists, also can two or more module integrations in a module.Above-mentioned integrated module both can adopt the form of hardware to realize, and the form of software function module also can be adopted to realize.
If described integrated module using the form of software function module realize and as independently production marketing or use time, can be stored in a computer read/write memory medium.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words or all or part of of this technical scheme can embody with the form of software product, this computer software product is stored in a storage medium, comprising some instructions in order to make a computer equipment (can be personal computer, server, or the network equipment etc.) perform all or part of step of method described in each embodiment of the present invention.And aforesaid storage medium comprises: USB flash disk, portable hard drive, ROM (read-only memory) (ROM, Read-OnlyMemory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. various can be program code stored medium.
The above, above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1. an automatic recovery system, comprises monitoring module and control module, and described monitoring module is connected by electric connection mode with described control module, it is characterized in that, also comprises:
Latch module, is connected by electric connection mode with described control module, for the duty of latched system;
Wherein, described control module gets the reset signal of described monitoring module, make host reset, detect the Status Type that described latch module exports, if default conditions, then described main frame enters holding state, if it is abnormal to reset, then perform preset abnormality processing pattern, make described main frame recover the duty extremely;
The described Status Type resetting the abnormal described latch module output for detecting is the last preset condition after main frame start.
2. automatic recovery system according to claim 1, is characterized in that, described automatic recovery system also comprises:
Memory module, is electrically connected with described control module, for storing the configuration information parameter of described main frame.
3. automatic recovery system according to claim 2, is characterized in that, described preset abnormality processing pattern be reading pre-stored described memory module described on described configuration information parameter once under preset condition in described main frame.
4. automatic recovery system as claimed in any of claims 1 to 3, is characterized in that, described latch module is status latch.
5. a condition detection method for automatic recovery system, is characterized in that, described automatic recovery system comprises: monitoring module, control module and latch module;
The main frame be connected with described automatic recovery system is resetted;
Detect the Status Type that described latch module exports, if default conditions, then described main frame enters holding state, if it is abnormal to reset, then performs preset abnormality processing pattern, makes described main frame recover the duty extremely;
Wherein, the described Status Type resetting the abnormal described latch module output for detecting is the last preset condition after main frame start.
6. the condition detection method of automatic recovery system according to claim 5, is characterized in that, preset abnormality processing step comprises:
Restart described main frame, and from the memory module be connected with described control module reading pre-stored described memory module described on configuration information parameter once under preset condition in described main frame.
7. the condition detection method of automatic recovery system according to claim 5, is characterized in that, described main frame enters holding state and specifically comprises:
Described main frame enters holding state, and waits for the steering order of the outside control end connected.
8. the condition detection method of automatic recovery system according to claim 6, is characterized in that, also comprises before being resetted by the main frame be connected with described automatic recovery system:
After described main frame normally powers on, described monitoring module provides reset signal to described control module;
Meanwhile, described latch module exports described default conditions to described control module after powering on;
Send control command to start shooting to described main frame, the state that the described latch mode after setting start exports is described last preset condition;
Configure the described configuration information parameter of described main frame, and be saved in described memory module.
9. according to the condition detection method of the automatic recovery system in claim 6 to 8 described in any one, it is characterized in that, described latch module is status latch.
10. the condition detection method of automatic recovery system according to claim 6, is characterized in that, being carried out resetting by the main frame be connected with described automatic recovery system specifically comprises:
The main frame be connected with described automatic recovery system is resetted, and initialization I/O port.
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