CN103761135A - Firmware write-in method of embedded device - Google Patents
Firmware write-in method of embedded device Download PDFInfo
- Publication number
- CN103761135A CN103761135A CN201410058130.0A CN201410058130A CN103761135A CN 103761135 A CN103761135 A CN 103761135A CN 201410058130 A CN201410058130 A CN 201410058130A CN 103761135 A CN103761135 A CN 103761135A
- Authority
- CN
- China
- Prior art keywords
- embedded device
- firmware
- wireless
- wiring method
- embedded
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Stored Programmes (AREA)
Abstract
The invention provides a firmware write-in method of an embedded device. The firmware write-in method includes the steps that the embedded device is connected to a firmware programming device; the firmware programming device writes a driving file of a wireless device into the embedded device, wherein the embedded device drives the wireless device, and the embedded device and a wireless communication device build wireless connection through the wireless device; the embedded device receives firmware from the wireless communication device and writes the firmware into a storage device of the embedded device. According to the firmware write-in method of the embedded device, the firmware write-in efficiency of the embedded device can be improved, and the production cost of the embedded device can be reduced.
Description
Technical field
The present invention relates to reading and writing data field, particularly, is a kind of method that writes in bulk firmware to embedded device.
Background technology
Present electronic product widespread use embedded device, especially applies embedded device as the Master control chip of electronic product.Embedded device includes the hardware such as central processing unit, random access memory and nonvolatile memory, in order to make built-in equipment operation, must write firmware (Firmware) to its storer, after embedded device starts, by operation firmware, realize basic function.
The existing method that embedded device is write to firmware has two kinds conventionally, a kind of method is to set up embedded device and firmware burn writing equipment physical connection, mode by wire communication is written to embedded device by firmware, another kind method is the wireless connections of setting up embedded device and Wireless Telecom Equipment, and the mode by radio communication is written to embedded device by firmware.
While firmware being written to embedded device by firmware burn writing equipment, first need to set up the physical connection of firmware burn writing equipment and embedded device.For example, by usb data line, firmware programming computing machine is connected with the USB interface of embedded device, or the mobile memory card of firmware will be stored, such as SD card etc., be inserted in embedded device, embedded device detects after the existence of SD card, firmware is read in storer, realize writing of firmware.
Yet, by said method, to embedded device, write firmware, in firmware ablation process, must keep the physical connection of embedded device and firmware burn writing equipment, can not disconnect firmware programming computing machine and be connected with the USB of embedded device or SD card is extracted from embedded device.Continuous increase along with firmware code amount, the firmware programming time also constantly increases, this method causes the physical connection overlong time of embedded device and firmware burn writing equipment, and when embedded device is produced in batches, this method will cause the production efficiency of embedded device low.
While writing firmware by Wireless Telecom Equipment to embedded device, need embedded device that the driving file of wireless device has been installed, as WIFI drives file etc., therefore this method is applied in the occasion that firmware is upgraded conventionally.As should WIFI in embedded device batch production etc. communication firmware is write to embedded device, need to include in the curing code of embedded device the driving file of wireless device, this causes the curing code of embedded device to take a large amount of storage spaces, and curing code is realized complicated, causes the production cost of embedded device too high.
In addition, because existing Wireless Telecom Equipment is varied, driving file for different wireless communication equipment is not identical yet, as write in advance the driving file of a small amount of several wireless device by solidifying the mode of code in embedded device, be difficult to meet embedded device can with the requirement of various wireless communication devices communicating.Therefore, the integrated WIFI module of embedded device as needs can from different WIFI devices communicatings, need in embedded device, write different driving files, it is excessive that this causes solidifying size of code.
As stored a small amount of several WIFI module drive file in embedded device, conventionally can only communicate with specific WIFI equipment, cause the versatility of embedded device poor, be unfavorable for the batch production of embedded device.
Summary of the invention
Fundamental purpose of the present invention is to provide the firmware wiring method of the embedded device that a kind of embedded device production efficiency is higher.
Another object of the present invention is to provide the firmware wiring method of the good embedded device of a kind of embedded device versatility.
In order to realize above-mentioned fundamental purpose, the firmware wiring method of embedded device provided by the invention comprises embedded device is connected to firmware burn writing equipment, firmware burn writing equipment writes the driving file of wireless device to embedded device, wherein, embedded device drives wireless device and sets up wireless connections by wireless device and Wireless Telecom Equipment, and embedded device receives firmware and firmware is written to the storer of embedded device from Wireless Telecom Equipment.
From such scheme, first embedded device downloads the driving file of wireless device by firmware burn writing equipment, and drives after wireless device work, by wireless device, in the mode of Wireless Data Transmission, receives firmware.Like this, once embedded device drives after wireless device work, just can disconnect the physical connection with firmware burn writing equipment, by wireless mode download firmware.Because the driving file of wireless device is less, the physical connection time of firmware burn writing equipment and embedded device is shorter, Wireless Telecom Equipment can send firmware to many embedded devices simultaneously, therefore, during batch production embedded device, can greatly shorten the firmware write time of embedded device, improve the firmware writing speed of embedded device.
In addition, because the driving file of wireless device is to be written in embedded device by firmware burn writing equipment, therefore can to embedded device, write corresponding driving file according to the wireless device type of Wireless Telecom Equipment, the compatibility of embedded device is better.In addition, owing to driving, the size of code of file is less, and to drive file be not to solidify code, can not take the storage space that embedded device is larger, reduces the production cost of embedded device.
A preferred scheme is, firmware burn writing equipment is firmware programming computing machine, and embedded device is connected with firmware programming computing machine by USB interface.
As can be seen here, by firmware programming computing machine, to embedded device, write the driving file of wireless device, can guarantee to drive the stability of file ablation process.
Optionally scheme is, firmware burn writing equipment is mobile memory card, and mobile memory card is inserted in embedded device.
Visible, by mobile memory card, to embedded device, write driving file, can improve the writing speed that drives file, thereby improve the firmware writing speed of embedded device.
Further scheme is, embedded device starts to export information from Wireless Telecom Equipment receives firmware.
As can be seen here, embedded device starts after download firmware, operating personnel can disconnect the physical connection of firmware burn writing equipment and embedded device, and embedded device is voluntarily from Wireless Telecom Equipment download firmware, firmware burn writing equipment can with another embedded device physical connection.Like this, the physical connection time of embedded device and firmware burn writing equipment is shorter, improves the writing speed of firmware.
Further scheme is, embedded device has dynamic RAM, drives file to be written in dynamic RAM.
Visible, driving file is written in dynamic RAM, drive the writing speed of file very fast, and drive file can not take the storage space of nonvolatile memory.
Accompanying drawing explanation
Fig. 1 is the connection diagram of the application embedded device of first embodiment of the invention and mobile memory card, Wireless Telecom Equipment.
Fig. 2 is the process flow diagram of first embodiment of the invention.
Fig. 3 is the connection diagram of the application embedded device of second embodiment of the invention and firmware programming computing machine, Wireless Telecom Equipment.
Below in conjunction with drawings and Examples, the invention will be further described.
Embodiment
The present invention, for realizing the batch production of embedded device, especially writes firmware to embedded device in bulk.Apply embedded device of the present invention and need to be provided with a wireless device, as WIFI module, infrared signal transceiver module or Bluetooth signal transceiver module etc., and embedded device is provided with demonstration output device, as display screen or pilot lamp etc.Embedded device is carried out in firmware programming process, need to use firmware burn writing equipment and Wireless Telecom Equipment, firmware burn writing equipment and embedded device physical connection, and carrying out data interaction by mode and the embedded device of wired connection, Wireless Telecom Equipment carries out data interaction by wireless mode and embedded device.Below by two embodiment, the present invention will be described in detail.
The first embodiment:
Referring to Fig. 1, the method of application the present embodiment is carried out firmware to embedded device 10 and is write and need to use mobile memory card 20 and Wireless Telecom Equipment 25, wherein embedded device 10 is provided with the installation slot of mobile memory card 20, mobile memory card 20 can be inserted in embedded device 10, and embedded device 10 can carry out radio communication with Wireless Telecom Equipment 25.
Embedded device 10 has a central processing unit 11, and be provided with dynamic RAM (DRAM, Dynamic Random Access Memory) 12 and nonvolatile memory 14, as flash or EEPROM etc., embedded device 10 is also provided with a WIFI module 15 as wireless device.
Mobile memory card 20 is the little storage card of SD card equal-volume, is provided with and drives file storage unit 21, for storing the driving file of the WIFI module 15 of embedded device 10 in mobile memory card 20.Embedded device 10 starts after operation, can carry out the operation of the data that read mobile memory card 20, and the data that mobile memory card 20 is stored are read in dynamic RAM 12.In the present embodiment, driving file is small (SuSE) Linux OS, is integrated with the driver of WIFI module 15 in this operating system, after this driver of built-in equipment operation, can drive WIFI module 15.
Wireless Telecom Equipment 25 is the equipment that wireless router, computing machine, panel computer etc. have radio communication function, and be provided with WIFI module 27 and firmware stores unit 26, WIFI module 27 is carried out radio communication for the WIFI module 15 with embedded device 10, and firmware stores unit 26 stores for being written to the data of the firmware of embedded device 10.
The workflow of the present embodiment is described below in conjunction with Fig. 2.When embedded device 10 is write to firmware, first perform step S1, embedded device 10 is powered on, and mobile memory card 20 is inserted on embedded device.Then, embedded device execution step S2, detect and whether have mobile memory card 20 to insert, in this way, execution step S3, detects in mobile memory card 20 whether store driving file, as detected, store the driving file of WIFI module 15, small (SuSE) Linux OS detected, execution step S4, reads small (SuSE) Linux OS in dynamic RAM 12.
After treating that small (SuSE) Linux OS reads, central processing unit 11 operations of embedded device 10 are stored in the small (SuSE) Linux OS of dynamic RAM 12, perform step S5, by small (SuSE) Linux OS, drive WIFI module 15, and configure the network address of WIFI module 15, perform step S6.Now, the WIFI module 15 of embedded device 10 is communicated by letter with the WIFI module 27 of Wireless Telecom Equipment 25, small (SuSE) Linux OS application TFTP (TFTP, Trivial File Transfer Protocol) carry out data interaction with Wireless Telecom Equipment 25, and obtain data from Wireless Telecom Equipment 25.
The data of the firmware that Wireless Telecom Equipment 25 is stored firmware stores module 26 are sent to embedded device 10 by WIFI module 27, now, embedded device 10 execution step S7, receive the data that Wireless Telecom Equipment 25 sends, i.e. download firmware by WIFI module 15.Subsequently, embedded device 10 output informations, perform step S8, as shown that screen display is by WIFI module 15 download firmware, or drive pilot lamp luminous, represent by WIFI module 15 download firmware.Operating personnel see after information, can disconnect the physical connection of embedded device 10 and mobile memory card 20, namely mobile memory card 20 can be extracted from embedded device 10.And operating personnel can be inserted into mobile memory card 20 in another embedded device, and next embedded device is carried out to firmware write operation.
Subsequently, embedded device 10 judges whether that download firmware is complete from Wireless Telecom Equipment 25, performs step S9, in this way, perform step S10, embedded device 10 restarts, and firmware writes flow process to be finished, otherwise, continue from Wireless Telecom Equipment 25 download firmware, until firmware downloads is complete.
Because first embedded device 10 reads the small (SuSE) Linux OS of the driving file that includes WIFI module 15 from mobile memory card 20, by small (SuSE) Linux OS, drive 15 work of WIFI module and with wireless mode download firmware, greatly improved the writing speed of firmware.And, due in embedded device 10 without write in advance the driving file of WIFI module 15 by solidifying the mode of code, drive file to be only stored in dynamic RAM 12, once embedded device 10 restarts, drive file to be wiped free of, can not take the storage space of the nonvolatile memory 14 of embedded device 10, solidify size of code little, reduce the development difficulty of embedded device 10 and reduce the production cost of embedded device 10.
In addition, the driving file that is stored in the WIFI module 15 in mobile memory card 20 can determine according to the type of Wireless Telecom Equipment 25, to guarantee that WIFI module 15 can communicate by letter with Wireless Telecom Equipment 25.Once the type of Wireless Telecom Equipment 25 changes, can change easily the driving file that is stored in mobile memory card 20, embedded device 10 can carry out data interaction with dissimilar Wireless Telecom Equipment 25.
The second embodiment:
Referring to Fig. 3, the firmware wiring method of the present embodiment is that application firmware programming computing machine 40 writes driving file as firmware burn writing equipment to embedded device 30, embedded device 30 has central processing unit 31, dynamic RAM 32, USB interface 33 and nonvolatile memory 34, WIFI module 35, firmware programming computing machine 40 has the file storage unit 41 of driving and USB interface 43, and Wireless Telecom Equipment 45 has firmware stores unit 46 and WIFI module 47.
While writing firmware to embedded device 30, first use usb data line to connect embedded device 30 and firmware programming computing machine 40, after formula equipment 30 to be embedded powers on, firmware programming computing machine 40 drives the driving file of file storage unit 41 to be sent to embedded device 30 by being stored in, the driving file that this driving file is WIFI module 35 can be small (SuSE) Linux OS etc.
Embedded device 30 is stored in the driving file of reception in dynamic RAM 32, central processing unit 31 starts small (SuSE) Linux OS rear drive WIFI module 35 work, and the network address that obtains WIFI module 35, application TFTP and Wireless Telecom Equipment 45 carry out data interaction, from radio transmission apparatus 45, obtain data.
Radio transmission apparatus 45 is sent to the WIFI module 35 of embedded device 30 by the data that are stored in the firmware in firmware stores unit 46 by WIFI module 47, embedded device 30 is written to nonvolatile memory 34 by the data of the firmware receiving.Meanwhile, embedded device 30 output informations, alert can disconnect the physical connection between embedded device 30 and firmware programming computing machine 40, is about to usb data line and extracts.Now, firmware programming computing machine 40 can be connected to another embedded device, and writes driving file to another embedded device.
Embedded device 30 continues by wireless mode from Wireless Telecom Equipment 45 download firmware, and restarts after firmware downloads, and so far, the firmware of embedded device 30 writes flow process to be finished.
Because firmware programming computing machine 40 only writes the driving file of WIFI module 35 to embedded device 30, drive the data volume of file little, writing speed is fast, and drive file to be written in dynamic RAM 34, the read or write speed of dynamic RAM 34 is faster than nonvolatile memory, therefore when batch production embedded device 30, can greatly improve the efficiency that the firmware of embedded device 30 writes.
Certainly, above-described embodiment is only preferably embodiment of the present invention, during practical application, can also there is more change, for example, the wireless device of embedded device can be infrared signal transceiver module or Bluetooth signal transceiver module, and correspondingly, driving file is the driving file of infrared signal transceiver module or Bluetooth signal transceiver module; Or embedded device does not send information, but sends information by mobile memory card or firmware programming computing machine after downloading and driving file, such change also can realize object of the present invention.
The variations such as change of the change of firmware burn writing equipment type, Wireless Telecom Equipment type finally it is emphasized that and the invention is not restricted to above-mentioned embodiment, as also should being included in the protection domain of the claims in the present invention.
Claims (10)
1. the firmware wiring method of embedded device, comprising:
Embedded device is connected to firmware burn writing equipment, and described firmware burn writing equipment writes the driving file of wireless device to described embedded device;
It is characterized in that:
Described embedded device drives described wireless device and sets up wireless connections by described wireless device and Wireless Telecom Equipment, and described embedded device receives firmware and described firmware is written to the storer of described embedded device from described Wireless Telecom Equipment.
2. the firmware wiring method of embedded device according to claim 1, is characterized in that:
Described firmware burn writing equipment is firmware programming computing machine, and described embedded device is connected with described firmware programming computing machine by USB interface.
3. the firmware wiring method of embedded device according to claim 1, is characterized in that:
Described firmware burn writing equipment is mobile memory card, and described mobile memory card is inserted in described embedded device.
4. according to the firmware wiring method of the embedded device described in claims 1 to 3 any one, it is characterized in that:
Described embedded device starts to export information from described Wireless Telecom Equipment receives firmware.
5. according to the firmware wiring method of the embedded device described in claims 1 to 3 any one, it is characterized in that:
Described embedded device has dynamic RAM, and described driving file is written in described dynamic RAM.
6. according to the firmware wiring method of the embedded device described in claims 1 to 3 any one, it is characterized in that:
Described wireless device is WIFI module, and described driving file is that WIFI drives file.
7. the firmware wiring method of embedded device according to claim 6, is characterized in that:
The step that described embedded device and described Wireless Telecom Equipment are set up wireless connections comprises the network address that configures described embedded device.
8. the firmware wiring method of embedded device according to claim 6, is characterized in that:
Described embedded device and described wireless communication device applications TFTP communicate.
9. according to the firmware wiring method of the embedded device described in claims 1 to 3 any one, it is characterized in that:
Described driving file is small (SuSE) Linux OS.
10. according to the firmware wiring method of the embedded device described in claims 1 to 3 any one, it is characterized in that:
Described wireless device is infrared signal transceiver module or Bluetooth signal transceiver module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410058130.0A CN103761135A (en) | 2014-02-20 | 2014-02-20 | Firmware write-in method of embedded device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410058130.0A CN103761135A (en) | 2014-02-20 | 2014-02-20 | Firmware write-in method of embedded device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103761135A true CN103761135A (en) | 2014-04-30 |
Family
ID=50528379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410058130.0A Pending CN103761135A (en) | 2014-02-20 | 2014-02-20 | Firmware write-in method of embedded device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103761135A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104237699A (en) * | 2014-09-28 | 2014-12-24 | 上海斐讯数据通信技术有限公司 | USB (universal serial bus) interface communication test system and method |
| CN105242939A (en) * | 2015-09-11 | 2016-01-13 | 三星半导体(中国)研究开发有限公司 | Connector for programming firmware to main board and method for programming firmware by using connector |
| CN105722014A (en) * | 2016-02-04 | 2016-06-29 | 海信（山东）空调有限公司 | EEPROM (Electrically Erasable Programmable Read-Only memory) data burning method and device |
| CN107370613A (en) * | 2016-05-13 | 2017-11-21 | 公牛集团有限公司 | A kind of radio firmware programming method and apparatus |
| CN109992320A (en) * | 2017-12-28 | 2019-07-09 | 航天信息股份有限公司 | The interaction method for building up and device of embedded device and WIFI module |
| CN114064088A (en) * | 2021-11-29 | 2022-02-18 | 中船重工重庆长平机械有限责任公司 | Dynamic upgrading equipment and method for optical fiber compass external system |
| CN118350620A (en) * | 2024-06-17 | 2024-07-16 | 成都云创天下科技有限公司 | Automatic production, test, upgrading and after-sale intelligent management system for AI (advanced technology) camera |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5812857A (en) * | 1996-08-28 | 1998-09-22 | Extended Systems, Inc. | Field configurable embedded computer system |
| US6816963B1 (en) * | 2000-01-31 | 2004-11-09 | Intel Corporation | Platform level initialization using an image generated automatically by a remote server based upon description automatically generated and transmitted thereto by a processor-based system |
| TWI270010B (en) * | 2004-12-21 | 2007-01-01 | Ind Tech Res Inst | Method of wireless data download for mobile communication |
| CN101470610A (en) * | 2007-12-25 | 2009-07-01 | 英业达股份有限公司 | Updating method of program used for test |
| CN103019797A (en) * | 2012-12-29 | 2013-04-03 | 福建三元达通讯股份有限公司 | Method for upgrading firmware of advertising machine terminal through USB (Universal Serial Bus) interface |
-
2014
- 2014-02-20 CN CN201410058130.0A patent/CN103761135A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5812857A (en) * | 1996-08-28 | 1998-09-22 | Extended Systems, Inc. | Field configurable embedded computer system |
| US6816963B1 (en) * | 2000-01-31 | 2004-11-09 | Intel Corporation | Platform level initialization using an image generated automatically by a remote server based upon description automatically generated and transmitted thereto by a processor-based system |
| TWI270010B (en) * | 2004-12-21 | 2007-01-01 | Ind Tech Res Inst | Method of wireless data download for mobile communication |
| CN101470610A (en) * | 2007-12-25 | 2009-07-01 | 英业达股份有限公司 | Updating method of program used for test |
| CN103019797A (en) * | 2012-12-29 | 2013-04-03 | 福建三元达通讯股份有限公司 | Method for upgrading firmware of advertising machine terminal through USB (Universal Serial Bus) interface |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104237699A (en) * | 2014-09-28 | 2014-12-24 | 上海斐讯数据通信技术有限公司 | USB (universal serial bus) interface communication test system and method |
| CN104237699B (en) * | 2014-09-28 | 2018-01-02 | 上海斐讯数据通信技术有限公司 | A kind of USB interface communication test system and method |
| CN105242939A (en) * | 2015-09-11 | 2016-01-13 | 三星半导体(中国)研究开发有限公司 | Connector for programming firmware to main board and method for programming firmware by using connector |
| CN105722014A (en) * | 2016-02-04 | 2016-06-29 | 海信（山东）空调有限公司 | EEPROM (Electrically Erasable Programmable Read-Only memory) data burning method and device |
| CN107370613A (en) * | 2016-05-13 | 2017-11-21 | 公牛集团有限公司 | A kind of radio firmware programming method and apparatus |
| CN109992320A (en) * | 2017-12-28 | 2019-07-09 | 航天信息股份有限公司 | The interaction method for building up and device of embedded device and WIFI module |
| CN114064088A (en) * | 2021-11-29 | 2022-02-18 | 中船重工重庆长平机械有限责任公司 | Dynamic upgrading equipment and method for optical fiber compass external system |
| CN118350620A (en) * | 2024-06-17 | 2024-07-16 | 成都云创天下科技有限公司 | Automatic production, test, upgrading and after-sale intelligent management system for AI (advanced technology) camera |
| CN118350620B (en) * | 2024-06-17 | 2024-09-13 | 成都云创天下科技有限公司 | Automatic production, test, upgrading and after-sale intelligent management system for AI (advanced technology) camera |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103761135A (en) | Firmware write-in method of embedded device | |
| US8417864B2 (en) | Cascade-able serial bus device with clock and management and cascade methods using the same | |
| CN106598632B (en) | Firmware upgrading method and device for optical module | |
| CN101454746B (en) | Method for communication with a multi-function memory card | |
| US20140082268A1 (en) | Host for controlling non-volatile memory card, system including the same, and methods operating the host and the system | |
| CN204331708U (en) | A kind of portable set and a kind of host computer system | |
| CN102662686B (en) | FPGA loading method and device | |
| CN103309709A (en) | Firmware upgrading method, device and communication equipment | |
| CN102681959A (en) | Method for interacting inner-band information and out-of-band information of server | |
| CN104239097A (en) | Method and system for upgrading fitting by virtue of mobile terminal, and mobile terminal | |
| CN102591827A (en) | Apparatus for peripheral device connection using SPI in portable terminal and method for data transmission using the same | |
| CN103577231A (en) | Method for judging host operating system through USB embedded device | |
| CN102646025A (en) | Memory system capable of adding time information to data obtained via network | |
| CN104834619A (en) | I2C (Inter-Integrated Circuit) bus circuit, implementation method and electronic equipment | |
| CN103744478A (en) | Bluetooth wireless display and control method thereof | |
| JP4588427B2 (en) | Memory system and data transmission speed setting method between host and memory card | |
| CN103092648A (en) | Method and system of mirror image upgrade and user device and personal computer | |
| CN102654857A (en) | Communication method capable of simulating SPI protocol by adopting GPIO interface | |
| CN102446101A (en) | System for mandatorily upgrading firmware and method for mandatorily upgrading firmware thereof | |
| CN203366744U (en) | Wireless USB flash disk device supporting self-building of hot spot | |
| US10073702B2 (en) | Memory system, computing system including the same and method of operating memory system | |
| CN201204030Y (en) | Apparatus for updating LCD EDID | |
| CN104899164A (en) | Address addressing method for integrated circuit bus and integrated circuit bus equipment and system | |
| KR20170014567A (en) | Semiconductor device | |
| CN106484352B (en) | Method for setting display resolution of embedded system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140430 |
|
| RJ01 | Rejection of invention patent application after publication |