CN102427498A - Method for eliminating interference of ESD (electro-static discharge) on T card of mobile phone - Google Patents
Method for eliminating interference of ESD (electro-static discharge) on T card of mobile phone Download PDFInfo
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- CN102427498A CN102427498A CN2011102225415A CN201110222541A CN102427498A CN 102427498 A CN102427498 A CN 102427498A CN 2011102225415 A CN2011102225415 A CN 2011102225415A CN 201110222541 A CN201110222541 A CN 201110222541A CN 102427498 A CN102427498 A CN 102427498A
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- 238000000034 method Methods 0.000 title claims abstract description 27
- 230000009471 action Effects 0.000 claims abstract description 14
- 230000008030 elimination Effects 0.000 claims description 11
- 238000003379 elimination reaction Methods 0.000 claims description 11
- 230000003068 static effect Effects 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 7
- 230000003993 interaction Effects 0.000 claims description 6
- 230000000977 initiatory effect Effects 0.000 abstract 1
- 238000003860 storage Methods 0.000 description 8
- 230000006870 function Effects 0.000 description 4
- 230000007812 deficiency Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 210000004905 finger nail Anatomy 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012536 packaging technology Methods 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
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Abstract
The invention discloses a method for eliminating the interference of ESD to a T card of a mobile phone, wherein a program starts, a starting action is executed, and a corresponding module is started; mmi, when there is a demand, initiating operation of the T card, such as playing Mp3 in the T card, playing video stored in the T card, accessing data stored in the T card, and storing the data in the T card after photographing and shooting; accessing the T card through the file system layer, and when the T card performs reading and writing operations and the like, sending a message to the file system Fmt layer for notification when unsuccessful information feedback occurs; after receiving the message, processing the function, firstly performing software reloading action once, and returning to normal operation if the reloading action is successful, namely the software resetting action is successful; if the operation is unsuccessful, resetting hardware and reloading software, repeating the operation for a plurality of times, if the operation is successful, returning to normal operation, and if the operation is unsuccessful, exiting to finish processing and executing a callback function after failure. The invention can effectively eliminate electrostatic interference, and has simple operation and easy implementation.
Description
Technical field
The present invention relates to a kind of ESD of elimination to the method that mobile phone disturbs, particularly relate to the method that a kind of ESD of elimination disturbs mobile phone T card.
Background technology
The T card is the T-flash card, just our so-called storage card.In the face of the adding of mobile phone, storage card must be done the best and could be adapted to market toward " little " development.On February 28th, 2004, Sandisk has issued minimum in the world removable flash card T-Flash card.This have only the storage card of size as the finger nail to be mainly used in novel mobile telephone and DC, consumer electronicses such as DV.
T-Flash has used state-of-the-art packaging technology, up-to-date NAND MLC flash memory and the controller technology of Sandisk, is the production technology of a kind of low cost, high power capacity, and the T card nearly 1 year closely was the first-selected storage card of multimedia mobile phone.In the mobile phone of all band T card sockets, exterior static may be transmitted to inner T card deck after contacting mobile phone indirectly or directly, and causing mobile phone T card to fall card is that mobile phone can't be discerned the T card.T card recognition principle is that BB conducts interviews through the connecting line with the T card; BB earlier sends order to the T card controller, T card feedback message afterwards, and therefrom BB can obtain data in T card information and the T card; BB is the abbreviation of Baseband base band, i.e. the general designation of master control hardware system.
When static through phone housing or directly contact data line interface and be conducted into the T card deck on the mobile phone pcb board; May cause that the T card controller crashes or the disorder of BB and T card connection data wire clock power line, thereby cause BB not send the feedback information that obtains the T card through order.
Summary of the invention
The objective of the invention is to overcome the deficiency of prior art, a kind of ESD of elimination is provided the method to mobile phone T card disturbs, can effectively eliminate electrostatic interference, simple to operate, easy to implement.
In order to achieve the above object, the technical scheme that the present invention adopts is, a kind ofly eliminates the method that ESD disturbs mobile phone T card, and its step is following:
Step 1, program begin, and start corresponding each module;
Step 2, each module of Mmi end are initiated the accessing operation to the T card;
Step 3, through Fmt file system layer visit T card;
Step 4, call T card Drive Layer Api;
Step 5, judge the whether success of Drive Layer Api operational access T card;
Step 6, operate successfully then execution in step 1, operation is unsuccessful then sends feedback message and handles to the Fmt file system layer;
Step 7, carry out ESD and fall card software and reload process, and judge that the software reset loads whether success, software reset's success is execution in step 1 then, software reset's then execution in step 8 of failing;
Reload action again after hardware reset is then carried out in step 8, software reset failure, and judge whether success of hardware reset, hardware reset is execution in step 1 then successfully, the hardware reset then execution in step 9 of failing;
Whether the number of times that step 9, hardware reset failure are then judged failure is greater than the Count value;
Step 10, surpass then execution in step 8 of Count value, surpass the Count value then end process carry out the call back function Callback after the failure.
Each module described in the above-mentioned steps 1 comprises with the Mmi layer module of user interactions, for the lcd driver module that shows service and for the file system module of stores service etc.
Described Mmi is the human-computer interaction module interface, i.e. the application and development layer.
Described Fmt be in the implementation platform to the general designation of file system layer, be used for file system management.
ESD described in the above-mentioned steps 7 falls card software for when visiting T card read-write operation, failing; Be ESD static and destroy the T card; Carry out the software reset this moment is that program is reloaded by system, and initialization loads the T card apparatus in the Fmt file system, makes T card operate as normal.
Count value described in the above-mentioned steps 9 is the number of times that the hardware trial of operating system setting resets.Effect is to limit the number of times that operation is attempted in a failure; And preventing endless continuous trial homing action, ordinary circumstance warm reset next time is unsuccessful then carries out a hardware reset action again, but can't be successful in order to prevent that extreme case from resetting next time; Then adding circulation repeatedly attempts resetting; Therefore the count value need not be excessive, and number of times is smaller or equal to 3 times, but can the count value specifically be set based on concrete system.
Compared with prior art; The invention has the beneficial effects as follows: whether successful to the visit of T card through judging each module of Mmi end; And ESD is fallen card software reset again and hardware reset; Weakened of the influence of outside input static greatly, made it under the situation of manual reset switch machine not of not cutting off the power supply, let the user can continue to use storage card the storage card of T card or similar T card.
Description of drawings
Fig. 1 is a method flow diagram of the present invention.
Embodiment
Purport of the present invention is to overcome the deficiency of prior art, and the method that provides a kind of ESD of elimination that mobile phone T card is disturbed is eliminated the method for static to the storage card influence, resets etc. according to current storage card read-write state and reloads action.When static through phone housing or directly contact data line interface and be conducted into the T card deck on the mobile phone pcb board; May cause that the T card controller crashes or the disorder of BB and T card connection data wire clock power line, thereby cause BB not send the feedback information that obtains the T card through order.And the present invention can effectively eliminate and the influence of compensated for electrostatic to the T card, and simple to operate, and is easy to implement.
Be elaborated with reference to accompanying drawing below in conjunction with embodiment, so that technical characterictic of the present invention and advantage are carried out more deep annotation.
Method flow diagram of the present invention is as shown in Figure 1, a kind of method of eliminating ESD to the interference of mobile phone T card, and its step is following:
Step 1, program begin, and start corresponding each module;
Step 2, each module of Mmi end are initiated the accessing operation to the T card;
Step 3, through Fmt file system layer visit T card;
Step 4, call T card Drive Layer Api;
Step 5, judge the whether success of Drive Layer Api operational access T card;
Step 6, operate successfully then execution in step 1, operation is unsuccessful then sends feedback message and handles to the Fmt file system layer;
Step 7, carry out ESD and fall card software and reload process, and judge that the software reset loads whether success, software reset's success is execution in step 1 then, software reset's then execution in step 8 of failing;
Reload action again after hardware reset is then carried out in step 8, software reset failure, and judge whether success of hardware reset, hardware reset is execution in step 1 then successfully, the hardware reset then execution in step 9 of failing;
Whether the number of times that step 9, hardware reset failure are then judged failure is greater than the Count value;
Step 10, surpass then execution in step 8 of Count value, surpass the Count value then end process carry out the call back function Callback after the failure.
Each module described in the above-mentioned steps 1 comprises with the Mmi layer module of user interactions, for the lcd driver module that shows service and for the file system module of stores service etc.
Described Mmi is the human-computer interaction module interface, i.e. the application and development layer.
Described Fmt be in the implementation platform to the general designation of file system layer, be used for file system management.
ESD described in the above-mentioned steps 7 falls card software for when visiting T card read-write operation, failing; Be ESD static and destroy the T card; Carry out the software reset this moment is that program is reloaded by system, and initialization loads the T card apparatus in the Fmt file system, makes T card operate as normal.
Count value described in the above-mentioned steps 9 is the number of times that the hardware trial of operating system setting resets.Effect is to limit the number of times that operation is attempted in a failure; And preventing endless continuous trial homing action, situation warm reset next time is unsuccessful then carries out a hardware reset action again, but can't be successful in order to prevent that extreme case from resetting next time; Then adding circulation repeatedly attempts resetting; Therefore the count value need not be excessive, and number of times is smaller or equal to 3 times, but can the count value specifically be set based on concrete system.
When the method program that a kind of ESD of elimination disturbs mobile phone T card begins, carry out boot action, start corresponding module; Initiate operation T card motion when the Mmi end has demand, for example play the Mp3 in the T card, play the video of storing in the T card, the data of storing in the visit T card, data are preserved in the T card in the shooting back of taking pictures; See through file system layer visit T card, when T sticks into the row read-write when waiting operation, send a message to file system Fmt layer when unsuccessful feedback information takes place and notify; Receiving and to carry out software earlier in the message reprocessing function and reload action once, is that the software reset moves success and then returns normal running if heavily load; If unsuccessful then carry out hardware reset again software reload, and repeated several times, if normal running is then returned in success, if unsuccessful withdraw from end process and fail after call back function.The present invention can effectively eliminate electrostatic interference, and is simple to operate, easy to implement.
Although the present invention has made clear and complete description to how eliminating static to the method for mobile phone T impact card through specific embodiment; But the present invention is not limited only to said embodiment; And to one skilled in the art; All improvement and the selection made based on the present invention are contingent and all be included in the present invention.
Claims (7)
1. eliminate the method that ESD disturbs mobile phone T card for one kind, its step is following:
Step 1, program begin, and start corresponding each module;
Step 2, each module of Mmi end are initiated the accessing operation to the T card;
Step 3, through Fmt file system layer visit T card;
Step 4, call T card Drive Layer Api;
Step 5, judge the whether success of Drive Layer Api operational access T card;
Step 6, operate successfully then execution in step 1, operation is unsuccessful then sends feedback message and handles to the Fmt file system layer;
Step 7, carry out ESD and fall card software and reload process, and judge that the software reset loads whether success, software reset's success is execution in step 1 then, software reset's then execution in step 8 of failing;
Reload action again after hardware reset is then carried out in step 8, software reset failure, and judge whether success of hardware reset, hardware reset is execution in step 1 then successfully, the hardware reset then execution in step 9 of failing;
Whether the number of times that step 9, hardware reset failure are then judged failure is greater than the Count value;
Step 10, surpass then execution in step 8 of Count value, surpass the Count value then end process carry out the call back function Callback after the failure.
2. elimination ESD according to claim 1 is characterized in that the method that mobile phone T card disturbs: each module described in the step 1 comprises with the Mmi layer module of user interactions, for showing the lcd driver module of serving and being the file system module of stores service.
3. the method that elimination ESD according to claim 2 disturbs mobile phone T card, it is characterized in that: the Mmi described in the step 2 is the human-computer interaction module interface, i.e. the application and development layer.
4. elimination according to claim 3 ESD is characterized in that the method that mobile phone T card disturbs: the Fmt described in the step 3 be in the implementation platform to the general designation of file system layer, be used for file system management.
5. the method that elimination ESD according to claim 4 disturbs mobile phone T card; It is characterized in that: the ESD described in the step 7 falls card software for when visiting T card read-write operation, failing; Be ESD static and destroy the T card; Carry out the software reset this moment is that program is reloaded by system, and initialization loads the T card apparatus in the Fmt file system, makes T card operate as normal.
6. elimination ESD according to claim 5 is characterized in that the method that mobile phone T card disturbs: the count value described in the step 9 is the number of times that the hardware trial of operating system setting resets.
7. the method that elimination ESD according to claim 6 disturbs mobile phone T card, it is characterized in that: described count value is smaller or equal to 3 times.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102225415A CN102427498A (en) | 2011-08-04 | 2011-08-04 | Method for eliminating interference of ESD (electro-static discharge) on T card of mobile phone |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011102225415A CN102427498A (en) | 2011-08-04 | 2011-08-04 | Method for eliminating interference of ESD (electro-static discharge) on T card of mobile phone |
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| CN102427498A true CN102427498A (en) | 2012-04-25 |
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| CN2011102225415A Pending CN102427498A (en) | 2011-08-04 | 2011-08-04 | Method for eliminating interference of ESD (electro-static discharge) on T card of mobile phone |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103916147A (en) * | 2014-03-28 | 2014-07-09 | 宁波萨瑞通讯有限公司 | Method for enhancing ESD resistance of FM in digital electronic products |
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| US20100312947A1 (en) * | 2009-06-04 | 2010-12-09 | Nokia Corporation | Apparatus and method to share host system ram with mass storage memory ram |
| CN102098390A (en) * | 2011-03-15 | 2011-06-15 | 惠州Tcl移动通信有限公司 | Method for recovering subscriber identity module (SIM) of mobile phone in case of data transmission error and mobile phone |
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- 2011-08-04 CN CN2011102225415A patent/CN102427498A/en active Pending
Patent Citations (5)
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| CN101141442A (en) * | 2006-09-07 | 2008-03-12 | 普天信息技术研究院 | System and method for implementing memory card function service |
| CN101505332A (en) * | 2008-02-04 | 2009-08-12 | 德信智能手机技术（北京）有限公司 | Optimized processing method for sleeping/waking SD card by smart phone |
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| CN101789984A (en) * | 2009-12-28 | 2010-07-28 | 宇龙计算机通信科技(深圳)有限公司 | SIM card interface circuit and mobile phone |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103916147A (en) * | 2014-03-28 | 2014-07-09 | 宁波萨瑞通讯有限公司 | Method for enhancing ESD resistance of FM in digital electronic products |
| CN103916147B (en) * | 2014-03-28 | 2016-04-13 | 宁波萨瑞通讯有限公司 | A kind of method strengthening FM against esd performance in digital electronic goods |
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Application publication date: 20120425 |