CN106210102A - The method and device of radio upgrade handle firmware based on bluetooth BLE - Google Patents

The method and device of radio upgrade handle firmware based on bluetooth BLE Download PDF

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Publication number
CN106210102A
CN106210102A CN201610580823.5A CN201610580823A CN106210102A CN 106210102 A CN106210102 A CN 106210102A CN 201610580823 A CN201610580823 A CN 201610580823A CN 106210102 A CN106210102 A CN 106210102A
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China
Prior art keywords
handle
firmware
module
data
bluetooth ble
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Pending
Application number
CN201610580823.5A
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Chinese (zh)
Inventor
王荣峰
马尧
武林威
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ANHUI CHANGGAN NETWORK TECHNOLOGY CO., LTD.
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Guangzhou Xiaojikuaipao Network Technology Co Ltd
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Application filed by Guangzhou Xiaojikuaipao Network Technology Co Ltd filed Critical Guangzhou Xiaojikuaipao Network Technology Co Ltd
Priority to CN201610580823.5A priority Critical patent/CN106210102A/en
Publication of CN106210102A publication Critical patent/CN106210102A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/34Network arrangements or protocols for supporting network services or applications involving the movement of software or configuration parameters 
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F8/00Arrangements for software engineering
    • G06F8/60Software deployment
    • G06F8/65Updates
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F8/00Arrangements for software engineering
    • G06F8/60Software deployment
    • G06F8/65Updates
    • G06F8/654Updates using techniques specially adapted for alterable solid state memories, e.g. for EEPROM or flash memories
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/80Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication

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  • Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Stored Programmes (AREA)

Abstract

The invention discloses the method and device of a kind of radio upgrade handle firmware based on bluetooth BLE, the method comprises the following steps: a terminal unit is attached by the bluetooth BLE module of its bluetooth BLE module with one handle;This terminal unit obtains the current version information of handle, and obtains latest version information from firmware server;This terminal unit judges that the current version information of handle is the most consistent with the latest version information at firmware server, if it is, terminate;If it is not, then obtain the firmware data packet of latest version information at firmware server;The firmware data packet that described handle is sent by the GATT agreement receiving terminal apparatus of its bluetooth BLE module, and firmware data packet is write in the flash memory module of handle;Described flash memory module includes the information area and data field.The present invention couple quickly and easily, have higher versatility and can automatic comparison and search latest edition.

Description

The method and device of radio upgrade handle firmware based on bluetooth BLE
Technical field
The invention belongs to Bluetooth wireless technology field, particularly relate to a kind of radio upgrade handle based on bluetooth BLE The method and device of firmware.
Background technology
Game paddle the most on the market, most when handle produces, handle is controlled program (rom) one-time write In handle, this mode can only be operated by the equipment specified in factory, very difficult, and general user is difficult to operation, especially It is unfavorable for the rom that upgrades;The handle present situation of main flow at present: the first, not upgradeable, when being dispatched from the factory by factory by special installation once It is written in FLASH, the not upgradeable renewal of user;The second, can upgrade by talking computer USB end product, but by downloading on computers With installation designated software and driving, upgrading by the way of wired, operating process is cumbersome.3rd, partly equipment can pass through HID and SPP upgrades.Although bluetooth additionally provides the mode standards such as HID and SPP connection, but this standard is cumbersome, and tool finds Slowly, the shortcoming such as pairing trouble, interference be big, and transmission speed is slower.Restricted HID and SPP that do not support on part system, or Require ROOT authority, such as: in iOS system, acquiescence cannot support HID and SPP.
Summary of the invention
In order to overcome the deficiencies in the prior art, an object of the present invention is to provide a kind of based on bluetooth BLE wireless The method of upgrading handle firmware, it can solve the technical problem that handle radio upgrade optimizes.
The two of the purpose of the present invention are to provide the device of a kind of radio upgrade handle firmware based on bluetooth BLE, its energy Solve the technical problem that handle radio upgrade optimizes.
An object of the present invention realizes by the following technical solutions:
A kind of method of radio upgrade handle firmware based on bluetooth BLE, comprises the following steps:
S1: one terminal unit is attached by the bluetooth BLE module of its bluetooth BLE module with one handle;
S2: this terminal unit obtains the current version information of handle, and obtains latest version information from firmware server;
S3: this terminal unit judges the latest version information at the current version information of handle and firmware server whether Cause, if it is, terminate;If it is not, then obtain the firmware data packet of latest version information at firmware server;Described firmware Packet includes address bit, firmware data and check bit;
The firmware data packet that S4: described handle is sent by the GATT agreement receiving terminal apparatus of its bluetooth BLE module, and Firmware data packet is write in the flash memory module of handle;Described flash memory module includes the information area and data field.
Preferably, step S5 is also included after step S4: described handle is sent by bluetooth BLE module receiving terminal apparatus Instruction of restarting, the MCU of handle restarts handle, and loading firmware data at flash memory module according to instruction of restarting.Its energy Solve the technical problem that firmware data loads further.
Preferably, following sub-step is specifically included in step s 4:
After the MCU of S41: handle receives the renewal instruction that terminal unit sends so that handle carries out upgrade mode;
The firmware data that S42: handle is sent by the GATT agreement receiving terminal apparatus of bluetooth BLE module;
S43: judge that firmware data is the most correct according to check bit, if correctly, then performs step S44, if incorrect, Then exit upgrade mode, stop updating;
S44: firmware data stored the data field in flash memory module according to address bit.It further discloses and connects Receive the mode of data.
Preferably, according to check bit, step S43 judges that the mode that firmware data is the most correct is CRC check or strange Even parity check.It further discloses the method for firmware data detection.
The two of the purpose of the present invention realize by the following technical solutions:
A kind of device of radio upgrade handle firmware based on bluetooth BLE, including with lower module:
Link block: be arranged at a terminal unit, for by the bluetooth BLE module of its bluetooth BLE module Yu one handle It is attached;
Data obtaining module: be arranged at terminal unit, for obtaining the current version information of handle, and from firmware server Obtain latest version information;
Judge module: be arranged at terminal unit, at the current version information judging handle and firmware server Latest version information whether consistent, if it is, terminate;If it is not, then obtain latest version information at firmware server Firmware data packet;Described firmware data packet includes address bit, firmware data and check bit;
Data write. module: be arranged at one handle, for by the GATT agreement receiving terminal apparatus of its bluetooth BLE module The firmware data packet sent, and firmware data packet is write in the flash memory module of handle;Described flash memory module bag Include the information area and data field.
Preferably, also including restarting module: be arranged at terminal unit after Data write. module, described handle passes through bluetooth The instruction of restarting that BLE module receiving terminal apparatus sends, the MCU of handle is restarted handle according to instruction of restarting, and is stored from flash Loading firmware data at module.It can solve the technical problem that firmware data loads.
Preferably, Data write. module specifically includes following submodule:
Update command reception module: be arranged at handle, after the renewal instruction that receiving terminal apparatus sends, make handle enter Row upgrade mode;
Firmware data receiver module: be arranged at handle, for by the GATT agreement receiving terminal apparatus of bluetooth BLE module The firmware data sent;
Data judge module: be arranged at handle, for judging that firmware data is the most correct according to check bit, if correctly, Then perform firmware data writing module, if incorrect, then exit upgrade mode, stop updating;
Firmware data writing module: be arranged at handle, for storing flash memory module according to address bit by firmware data In data field.It further discloses each submodule in data input module.
Preferably, in data judge module, judge that the mode that firmware data is the most correct is CRC check according to check bit Or even-odd check.It further discloses the verification mode of firmware data.
Compared to existing technology, the beneficial effects of the present invention is:
The inventive method key property mainly have following some: first: couple quickly and easily: utilize bluetooth 4.0BLE characteristic Function, it is possible to accomplish quickly to find and couple, has the anti-interference feature such as by force, operates more traditional HID and SPP more convenient simply. The bluetooth module of the at present assembling such as mobile phone the most on the market and flat board, has had the BLE function of blue 4.0 the most.Second: have higher Versatility: support android, iOS and other system supporting bluetooth to couple simultaneously, possess the highest versatility.Use mobile phone Or the bluetooth BLE radio upgrade of flat board, equipment requirements is popularized.3rd: contrast and lookup latest edition automatically, on contrast server Latest edition, updating operation is simpler;Data are verified by escalation process, all over fault-avoidance brush, more safety and convenience. By optimizing and upgrading, bring to handle function extension and do not limit imagination space and motility.
Accompanying drawing explanation
Fig. 1 is the flow chart of present invention radio upgrade based on bluetooth BLE handle firmware;
Fig. 2 is the installation drawing of present invention radio upgrade based on bluetooth BLE handle firmware;
Fig. 3 is the self-defined Profile block diagram that the present invention builds based on bluetooth BLE.
Detailed description of the invention
Below, in conjunction with accompanying drawing and detailed description of the invention, the present invention is described further:
The hardware facility of the present invention mainly includes a terminal unit and handle, and this terminal unit has bluetooth BLE module also And can by the up-to-date version information of Network Capture, this handle include MCU module, bluetooth BLE module, flash memory module, Key-press module, power module and LED module, wherein MCU module is used for managing bluetooth BLE module and flash memory module, docking The instruction received is processed, and carries out bluetooth connection, the relevant treatment communicating and managing by bluetooth BLE module, passes through MCU and relevant flash read write command carry out flash data and are written and read.
As it is shown in figure 1, a kind of method that the invention provides radio upgrade handle firmware based on bluetooth BLE, including with Lower step:
S1: one terminal unit is attached by the bluetooth BLE module of its bluetooth BLE module with one handle;In this step Whether the bluetooth module being primarily used to detect handle is opened, and is attached if opening the bluetooth module with handle, thus with This gone after the step such as data transmission;Search between two equipment with bluetooth module is with to be connected be all existing skill In art, conventional means, the most too much it is described in detail;
S2: this terminal unit obtains the current version information of handle, and obtains latest version information from firmware server;
S3: this terminal unit judges the latest version information at the current version information of handle and firmware server whether Cause, if it is, terminate;If it is not, then obtain the firmware data packet of latest version information at firmware server;Described firmware Packet includes address bit, firmware data and check bit;In step S2 and step S3, primarily to comparison handle is current Version information is the most consistent with the latest version information of firmware server, it is to avoid occur that handle has been up-to-date version information , also it is updated, thus loses time and also there is the wrong possibility brushed;
The firmware data packet that S4: described handle is sent by the GATT agreement receiving terminal apparatus of its bluetooth BLE module, and Firmware data packet is write in the flash memory module of handle;Described flash memory module includes the information area and data field;
The memory element of flash is divided into the information area and data, deposits the hardware parameter letter that handle is relevant in the information area Breath, the information that such as hardware version etc. are the most constant, handle ROM data is deposited in data field, relevant data can become More with erasable, so that the change of data becomes the easiest.
Specifically include following sub-step in step s 4:
After the MCU of S41: handle receives the renewal instruction that terminal unit sends so that handle carries out upgrade mode;
The firmware data that S42: handle is sent by the GATT agreement receiving terminal apparatus of bluetooth BLE module;Pass through bluetooth BLE, major part operating system acquiescence achieves the normal structure of general HID, A2DP, but by above normal structure, is It is difficult to accomplish that self-defining data are transmitted so that the renewal of handle version becomes difficulty, and this pattern also receives environment and power The constraint of profit;But it is available with the characteristic of bluetooth GATT, realizes self-defined by creating self-defining GATT profile The transmission structure of data;As it is shown on figure 3, based on standard bluetooth GATT agreement, set up a self-defining Bluetooth Gatt Server, includes Bluetooth Profile under it, and Bluetooth Profile include Name, first The information such as UUID, Advertisement and Service, wherein Service also includes the letters such as the 2nd UUID and Read/Write Breath, wherein Read/Write is readable writeable, and wherein UUID is unique identifier, and after establishing features described above, terminal unit just may be used To be judged by information above and to connect this feature.
S43: judge that firmware data is the most correct according to check bit, if correctly, then performs step S44, if incorrect, Then exit upgrade mode, stop updating;Wherein according to check bit judge the mode that firmware data is the most correct be CRC check or Even-odd check;By arranging check bit so that data are verified in escalation process by it, it is to avoid wrong brush so that wireless Upgrading more safety is with convenient.
S44: firmware data stored the data field in flash memory module according to address bit.
S5: described handle by bluetooth BLE module receiving terminal apparatus send instruction of restarting, a MCU of handle according to Instruction of restarting restarts handle, and loading firmware data at flash memory module.By the setting restarted so that handle is carried out The when of restarting, it is possible to reload the ROM data being stored in flash, thus complete the renewal of handle firmware so that the merit of handle Can be the most perfect.
As in figure 2 it is shown, present invention also offers the device of a kind of radio upgrade handle firmware based on bluetooth BLE, including With lower module:
Link block: be arranged at a terminal unit, for by the bluetooth BLE module of its bluetooth BLE module Yu one handle It is attached;
Data obtaining module: be arranged at terminal unit, for obtaining the current version information of handle, and from firmware server Obtain latest version information;
Judge module: be arranged at terminal unit, at the current version information judging handle and firmware server Latest version information whether consistent, if it is, terminate;If it is not, then obtain latest version information at firmware server Firmware data packet;Described firmware data packet includes address bit, firmware data and check bit;
Data write. module: be arranged at one handle, for by the GATT agreement receiving terminal apparatus of its bluetooth BLE module The firmware data packet sent, and firmware data packet is write in the flash memory module of handle;Described flash memory module bag Include the information area and data field;Following submodule is specifically included in Data write. module:
Update command reception module: be arranged at handle, after the renewal instruction that receiving terminal apparatus sends, make handle enter Row upgrade mode;
Firmware data receiver module: be arranged at handle, for by the GATT agreement receiving terminal apparatus of bluetooth BLE module The firmware data sent;
Data judge module: be arranged at handle, for judging that firmware data is the most correct according to check bit, if correctly, Then perform firmware data writing module, if incorrect, then exit upgrade mode, stop updating;Root in data judge module Judge that the mode that firmware data is the most correct is CRC check or even-odd check according to check bit.
Firmware data writing module: be arranged at handle, for storing flash memory module according to address bit by firmware data In data field.
Restarting module: be arranged at terminal unit, described handle is by restarting that bluetooth BLE module receiving terminal apparatus sends Instruction, a MCU of handle restarts handle, and loading firmware data at flash memory module according to instruction of restarting.
It will be apparent to those skilled in the art that can technical scheme as described above and design, make other various Corresponding change and deformation, and all these change and deformation all should belong to the protection domain of the claims in the present invention Within.

Claims (8)

1. the method for a radio upgrade handle firmware based on bluetooth BLE, it is characterised in that comprise the following steps:
S1: one terminal unit is attached by the bluetooth BLE module of its bluetooth BLE module with one handle;
S2: this terminal unit obtains the current version information of handle, and obtains latest version information from firmware server;
S3: this terminal unit judges that the current version information of handle is the most consistent with the latest version information at firmware server, If it is, terminate;If it is not, then obtain the firmware data packet of latest version information at firmware server;Described firmware number Address bit, firmware data and check bit is included according to bag;
The firmware data packet that S4: described handle is sent by the GATT agreement receiving terminal apparatus of its bluetooth BLE module, and will be solid In the flash memory module of part packet write handle;Described flash memory module includes the information area and data field.
2. the method for radio upgrade handle firmware based on bluetooth BLE as claimed in claim 1, it is characterised in that step S4 The most also include step S5: described handle is by the instruction of restarting of bluetooth BLE module receiving terminal apparatus transmission, the MCU of handle Handle, and loading firmware data at flash memory module are restarted according to instruction of restarting.
3. the method for radio upgrade handle firmware based on bluetooth BLE as claimed in claim 1, it is characterised in that in step S4 specifically includes following sub-step:
After the MCU of S41: handle receives the renewal instruction that terminal unit sends so that handle carries out upgrade mode;
The firmware data that S42: handle is sent by the GATT agreement receiving terminal apparatus of bluetooth BLE module;
S43: judge that firmware data is the most correct according to check bit, if correctly, then performs step S44, if incorrect, then moves back Go out upgrade mode, stop updating;
S44: firmware data stored the data field in flash memory module according to address bit.
4. the method for radio upgrade handle firmware based on bluetooth BLE as claimed in claim 3, it is characterised in that step S43 In judge that the mode that firmware data is the most correct is CRC check or even-odd check according to check bit.
5. the device of a radio upgrade handle firmware based on bluetooth BLE, it is characterised in that include with lower module:
Link block: be arranged at a terminal unit, for carrying out by the bluetooth BLE module of its bluetooth BLE module with one handle Connect;
Data obtaining module: be arranged at terminal unit, for obtaining the current version information of handle, and obtains from firmware server Latest version information;
Judge module: be arranged at terminal unit, for judging at the current version information of handle and firmware server Redaction information is the most consistent, if it is, terminate;If it is not, then obtain consolidating of latest version information at firmware server Part packet;Described firmware data packet includes address bit, firmware data and check bit;
Data write. module: be arranged at one handle, for sending by the GATT agreement receiving terminal apparatus of its bluetooth BLE module Firmware data packet, and firmware data packet is write in the flash memory module of handle;Described flash memory module includes letter Breath district and data field.
6. the device of radio upgrade handle firmware based on bluetooth BLE as claimed in claim 5, it is characterised in that data are write Also including restarting module after entering module: be arranged at terminal unit, described handle is sent out by bluetooth BLE module receiving terminal apparatus The instruction of restarting sent, the MCU of handle restarts handle, and loading firmware data at flash memory module according to instruction of restarting.
7. the device of radio upgrade handle firmware based on bluetooth BLE as claimed in claim 5, it is characterised in that in data Writing module specifically includes following submodule:
Update command reception module: be arranged at handle, after the renewal instruction that receiving terminal apparatus sends, make handle rise Level pattern;
Firmware data receiver module: be arranged at handle, for sending by the GATT agreement receiving terminal apparatus of bluetooth BLE module Firmware data;
Data judge module: be arranged at handle, for judging that firmware data is the most correct according to check bit, if correctly, then holds Row firmware data writing module, if incorrect, then exits upgrade mode, stops updating;
Firmware data writing module: be arranged at handle, for storing firmware data in flash memory module according to address bit Data field.
8. the device of radio upgrade handle firmware based on bluetooth BLE as claimed in claim 7, it is characterised in that in data According to check bit, judge module judges that the mode that firmware data is the most correct is CRC check or even-odd check.
CN201610580823.5A 2016-07-20 2016-07-20 The method and device of radio upgrade handle firmware based on bluetooth BLE Pending CN106210102A (en)

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Cited By (16)

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CN106775871A (en) * 2016-12-19 2017-05-31 东软集团股份有限公司 Firmware upgrade method and equipment
CN106972961A (en) * 2017-03-21 2017-07-21 上海动联信息技术股份有限公司 A kind of safety means firmware upgrade method based on bluetooth
CN107037485A (en) * 2017-03-02 2017-08-11 深圳市拓迈电子有限公司 A kind of SMART METALS detection device
CN107045450A (en) * 2017-04-10 2017-08-15 深圳市中易腾达科技股份有限公司 A kind of security upgrading method of the mouse of bluetooth 3.0 based on HID protocol
CN107085525A (en) * 2017-03-17 2017-08-22 深圳市战音科技有限公司 Method for upgrading software and device based on Bluetooth electronic devices
CN107181618A (en) * 2017-06-02 2017-09-19 深圳市维申斯科技有限公司 Firmware upgrade method and system
CN107301064A (en) * 2017-05-19 2017-10-27 深圳Tcl新技术有限公司 Upgrade method, television terminal and the computer-readable recording medium of bluetooth firmware
CN108449746A (en) * 2018-06-14 2018-08-24 歌尔科技有限公司 A kind of method that establishing BT connections, wireless headset and TWS earphones
CN108989428A (en) * 2018-07-17 2018-12-11 深圳市联新移动医疗科技有限公司 Bluetooth terminal upgrade method, server, computer readable storage medium and system
KR102006279B1 (en) * 2018-02-08 2019-08-01 신정원 Method and apparatus for controlling smart sensor using gatt based on bluetooth low energy
CN110262820A (en) * 2019-06-13 2019-09-20 陕西瑞迅电子信息技术有限公司 Method, apparatus, system and storage medium based on MQTT protocol realization OTA upgrading
CN110704080A (en) * 2019-09-17 2020-01-17 厦门市思芯微科技有限公司 Method for upgrading Bluetooth module through Wi-Fi module
CN111752579A (en) * 2019-10-17 2020-10-09 北京沃东天骏信息技术有限公司 Bluetooth terminal upgrading method and device, storage medium and electronic equipment
CN112910948A (en) * 2021-01-12 2021-06-04 拉扎斯网络科技(上海)有限公司 Protocol upgrading method, device, electronic equipment, storage medium and program product
CN112910707A (en) * 2021-02-04 2021-06-04 四川长虹电器股份有限公司 Bluetooth BLE-based smart home upgrading system and method
WO2022047725A1 (en) * 2020-09-04 2022-03-10 深圳市大疆创新科技有限公司 Mobile platform firmware upgrade method, mount platform, and terminal device

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Cited By (16)

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Publication number Priority date Publication date Assignee Title
CN106775871A (en) * 2016-12-19 2017-05-31 东软集团股份有限公司 Firmware upgrade method and equipment
CN107037485A (en) * 2017-03-02 2017-08-11 深圳市拓迈电子有限公司 A kind of SMART METALS detection device
CN107085525A (en) * 2017-03-17 2017-08-22 深圳市战音科技有限公司 Method for upgrading software and device based on Bluetooth electronic devices
CN106972961A (en) * 2017-03-21 2017-07-21 上海动联信息技术股份有限公司 A kind of safety means firmware upgrade method based on bluetooth
CN107045450A (en) * 2017-04-10 2017-08-15 深圳市中易腾达科技股份有限公司 A kind of security upgrading method of the mouse of bluetooth 3.0 based on HID protocol
CN107301064A (en) * 2017-05-19 2017-10-27 深圳Tcl新技术有限公司 Upgrade method, television terminal and the computer-readable recording medium of bluetooth firmware
CN107181618A (en) * 2017-06-02 2017-09-19 深圳市维申斯科技有限公司 Firmware upgrade method and system
KR102006279B1 (en) * 2018-02-08 2019-08-01 신정원 Method and apparatus for controlling smart sensor using gatt based on bluetooth low energy
CN108449746A (en) * 2018-06-14 2018-08-24 歌尔科技有限公司 A kind of method that establishing BT connections, wireless headset and TWS earphones
CN108989428A (en) * 2018-07-17 2018-12-11 深圳市联新移动医疗科技有限公司 Bluetooth terminal upgrade method, server, computer readable storage medium and system
CN110262820A (en) * 2019-06-13 2019-09-20 陕西瑞迅电子信息技术有限公司 Method, apparatus, system and storage medium based on MQTT protocol realization OTA upgrading
CN110704080A (en) * 2019-09-17 2020-01-17 厦门市思芯微科技有限公司 Method for upgrading Bluetooth module through Wi-Fi module
CN111752579A (en) * 2019-10-17 2020-10-09 北京沃东天骏信息技术有限公司 Bluetooth terminal upgrading method and device, storage medium and electronic equipment
WO2022047725A1 (en) * 2020-09-04 2022-03-10 深圳市大疆创新科技有限公司 Mobile platform firmware upgrade method, mount platform, and terminal device
CN112910948A (en) * 2021-01-12 2021-06-04 拉扎斯网络科技(上海)有限公司 Protocol upgrading method, device, electronic equipment, storage medium and program product
CN112910707A (en) * 2021-02-04 2021-06-04 四川长虹电器股份有限公司 Bluetooth BLE-based smart home upgrading system and method

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Application publication date: 20161207