CN110855462A - Bluetooth OTA firmware upgrading device - Google Patents
Bluetooth OTA firmware upgrading device Download PDFInfo
- Publication number
- CN110855462A CN110855462A CN201810952354.4A CN201810952354A CN110855462A CN 110855462 A CN110855462 A CN 110855462A CN 201810952354 A CN201810952354 A CN 201810952354A CN 110855462 A CN110855462 A CN 110855462A
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- 238000004891 communication Methods 0.000 claims abstract description 16
- 238000001514 detection method Methods 0.000 claims description 5
- 230000001960 triggered effect Effects 0.000 claims description 4
- 230000005055 memory storage Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000013500 data storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0803—Configuration setting
- H04L41/0813—Configuration setting characterised by the conditions triggering a change of settings
- H04L41/082—Configuration setting characterised by the conditions triggering a change of settings the condition being updates or upgrades of network functionality
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/60—Software deployment
- G06F8/65—Updates
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services 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)
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- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
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Abstract
The invention is suitable for the technical field of Bluetooth and provides a Bluetooth OTA firmware upgrading device which comprises a controller, a control memory, a Bluetooth module, a Bluetooth memory, a communication interface and keys. The controller passes through communication interface acquires the bluetooth upgrading firmware, control memory storage bluetooth upgrading firmware, when triggering during the button, the button to the controller sends trigger command, the controller is received behind the trigger command, will bluetooth upgrading firmware send for the bluetooth module, the bluetooth module will bluetooth upgrading firmware save extremely bluetooth memory, the bluetooth module operation bluetooth upgrading firmware accomplishes the upgrading, has realized only needing to trigger the button just can realize bluetooth module upgrading, does not need mechanical dismouting equipment and configuration server, and then upgrading cost is low and the simple operation.
Description
Technical Field
The invention belongs to the technical field of Bluetooth, and particularly relates to a Bluetooth OTA firmware upgrading device.
Background
With the development of science and technology, the internet of things is more and more mature, and is an application hotspot of the current society. Bluetooth modules are widely used because of their technical characteristics of low cost, low power consumption and efficient interconnection.
There are two common upgrading methods for bluetooth firmware. One is to connect a Personal Computer (PC) with a Universal Serial Bus (USB), then restart the bluetooth firmware system at an application of the electronic device that needs to perform bluetooth firmware upgrade, respond to the USB interrupt during program start, enter a download mode, receive data sent by the PC, and perform bluetooth firmware upgrade. The second is an OTA upgrading mode, and the OTA upgrading refers to the upgrading of a system or an application by downloading a package on a remote server through a wireless network through a mobile phone terminal.
However, the electronic equipment needs to be disassembled when the bluetooth firmware is upgraded by using the USB, the cost for disassembling the electronic equipment after the bluetooth firmware is installed in the whole electronic equipment is high, and the operation mode is inconvenient. The Bluetooth firmware upgrading through the OTA requires that a user is provided with an APP (Application) at a mobile phone end, and requires that the user build a server to place the upgraded firmware, so that the cost is high and the operation mode is inconvenient.
Disclosure of Invention
In view of this, the embodiment of the present application provides a bluetooth OTA firmware upgrading apparatus, so as to solve the problems in the prior art that the bluetooth firmware upgrading cost is high and the operation mode is not convenient.
A first aspect of an embodiment of the present application provides a bluetooth OTA firmware upgrade device, which includes a controller, a control memory, a bluetooth module, a bluetooth memory, a communication interface, and a key;
the controller is connected with the control memory, the Bluetooth module, the communication interface and the keys, and the Bluetooth memory is connected with the Bluetooth module;
the controller obtains Bluetooth upgrading firmware through the communication interface, the control storage stores the Bluetooth upgrading firmware, when the button is triggered, the button sends a trigger command to the controller, the controller receives the trigger command and then sends the Bluetooth upgrading firmware to the Bluetooth module, the Bluetooth module stores the Bluetooth upgrading firmware to the Bluetooth storage, and the Bluetooth module runs the Bluetooth upgrading firmware to complete upgrading.
In an embodiment, the controller is connected with the bluetooth module through a serial port, when the controller receives the trigger command, the controller is further configured to send an upgrade bluetooth command to the bluetooth module, and when the controller receives upgrade information replied by the bluetooth module, the controller sends the bluetooth upgrade firmware to the bluetooth module.
In an embodiment, the controller is further configured to send a version inquiry command to the bluetooth module, and the bluetooth module replies to the inquired current bluetooth firmware version number.
In an embodiment, the control memory stores the bluetooth upgrade firmware in a fixed address, and when the controller receives upgrade-available information replied by the bluetooth module, the controller reads the bluetooth upgrade firmware from the fixed address and sends the bluetooth upgrade firmware to the bluetooth module, and the controller is further configured to send a data receiving status query command, and the bluetooth module replies data receiving status information.
In an embodiment, when the controller receives the data receiving status information and confirms that the bluetooth upgrade firmware is received completely, the controller is further configured to send a restart command to the bluetooth module, and the bluetooth module restarts and runs the bluetooth upgrade firmware to complete the upgrade.
In an embodiment, the bluetooth module further includes an interface unit, and the interface unit is at least any one of a serial interface, an I/O interface, and an SPI programming port.
In an embodiment, the bluetooth module further includes a detection unit, and the detection unit is configured to detect a bluetooth firmware version number in the current bluetooth module.
In an embodiment, the bluetooth memory further includes a cache unit, the cache unit is configured to store the bluetooth upgrade firmware sent by the controller, and when the bluetooth module receives the bluetooth upgrade command, the bluetooth module empties the cache unit.
In an embodiment, the bluetooth memory further includes an upgrade unit, and the upgrade unit is configured to run the bluetooth upgrade firmware.
In an embodiment, the bluetooth memory further includes a backup unit, and the backup unit is configured to store a firmware program before bluetooth firmware upgrade.
In this application embodiment, the controller passes through communication interface acquires bluetooth upgrading firmware, control memory storage bluetooth upgrading firmware, when triggering during the button, the button to the controller sends the trigger command, the controller is received behind the trigger command, will bluetooth upgrading firmware send for the bluetooth module, the bluetooth module will bluetooth upgrading firmware save extremely bluetooth memory, bluetooth module operation bluetooth upgrading firmware accomplishes the upgrading, has realized only to trigger the button just can realize bluetooth module upgrading, does not need mechanical dismouting equipment and configuration server, and then upgrading cost is low and the simple operation.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of a bluetooth OTA firmware upgrading apparatus according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of a bluetooth module according to a second embodiment of the present application;
fig. 3 is a schematic structural diagram of a bluetooth memory according to a third embodiment of the present application.
Detailed Description
In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.
In order to explain the technical means of the present invention, the following description will be given by way of specific examples.
The first embodiment is as follows:
as shown in fig. 1, the present embodiment provides a bluetooth OTA firmware upgrade apparatus 100. The bluetooth OTA firmware upgrade apparatus 100 includes a controller 10, a control memory 20, a bluetooth module 30, a bluetooth memory 40, a communication interface 50, and keys 60.
In a specific application, the bluetooth OTA firmware upgrading device 100 can be installed on an intelligent appliance such as a sound box, a refrigerator, a television, or other mobile or fixed terminal. The controller may be an MCU (MicroController). The control memory and the bluetooth memory may be a Read Only Memory (ROM) or a flash memory (flash memory). The communication interface may be a USB interface. The key can be a mechanical key or a touch key.
The controller 10 is connected to the control memory 20, the bluetooth module 30, the communication interface 50, and the button 60, and the bluetooth memory 40 is connected to the bluetooth module 30.
In a specific application, the controller is connected with the control memory, the bluetooth module, the communication interface and the keys, and the bluetooth memory is connected with the bluetooth module to perform command information interaction or data storage and reading.
The controller 10 obtains the bluetooth upgrade firmware through the communication interface 50, controls the memory 20 to store the bluetooth upgrade firmware, when the key 60 is triggered, the key 60 sends a trigger command to the controller 10, the controller 10 sends the bluetooth upgrade firmware to the bluetooth module 30 after receiving the trigger command, the bluetooth module 30 stores the bluetooth upgrade firmware to the bluetooth memory 40, and the bluetooth module 30 runs the bluetooth upgrade firmware to complete upgrading.
In a specific application, the controller acquires the bluetooth upgrade firmware from the external device through the communication interface and stores the bluetooth upgrade firmware in the control memory. When a user needs to upgrade the Bluetooth module, the button can be triggered to start the upgrading process of the Bluetooth module. The control memory also stores controller firmware.
In an embodiment, the controller 10 is connected to the bluetooth module 30 through a serial port, when the controller 10 receives the trigger command, the controller 10 is further configured to send an upgrade bluetooth command to the bluetooth module 30, and when the controller 10 receives upgrade information replied by the bluetooth module 30, the controller 10 sends the bluetooth upgrade firmware to the bluetooth module 30.
In specific application, the controller and the bluetooth module may be connected through a UART (universal asynchronous Receiver/Transmitter), when the controller receives the trigger command, the controller is further configured to send an upgrade bluetooth command to the bluetooth module, and when the bluetooth module receives the upgrade bluetooth command, the bluetooth module clears a buffer area in the bluetooth memory. And after the controller receives the information which is replied by the Bluetooth module and can be upgraded, the controller sends the Bluetooth upgrading firmware to the Bluetooth module.
In one embodiment, the controller 10 is further configured to send a version inquiry command to the bluetooth module 30, and the bluetooth module 30 replies with the inquired current bluetooth firmware version number.
In specific application, the controller is connected with the Bluetooth module through a serial port, when the controller receives the trigger command, the controller is further used for sending an upgrading Bluetooth command to the Bluetooth module, and when the Bluetooth module receives the upgrading Bluetooth command, the Bluetooth module empties a cache region in the Bluetooth memory. The controller is also used for sending a version inquiry command to the Bluetooth module, and when the Bluetooth module receives the version inquiry command, the Bluetooth module starts to inquire the current Bluetooth firmware version number in the Bluetooth module and replies the inquired current Bluetooth firmware version number to the controller. And when the version number of the current Bluetooth firmware is lower than the version number of the Bluetooth upgrading firmware stored in the control memory, the Bluetooth module replies upgrading information. And after the controller receives the information which is replied by the Bluetooth module and can be upgraded, the controller sends the Bluetooth upgrading firmware to the Bluetooth module.
In an embodiment, the control memory 20 stores the bluetooth upgrade firmware in a fixed address, and when the controller 10 receives the upgrade available information replied by the bluetooth module 30, the controller 10 reads the bluetooth upgrade firmware from the fixed address and sends the bluetooth upgrade firmware to the bluetooth module 30, and the controller 10 is further configured to send a data receiving status query command, and the bluetooth module 30 replies the data receiving status information.
In specific application, the control memory stores the Bluetooth upgrading firmware in a fixed address, after the controller receives upgrading information replied by the Bluetooth module, the controller reads a data packet of the Bluetooth upgrading firmware from the fixed address and sends a first data packet to the Bluetooth module, and the Bluetooth module replies the received information such as the number of packets and whether the packets are wrong. The controller sends a data command N +1 to the Bluetooth module, the controller sends a data receiving state inquiry command, the Bluetooth module replies data receiving state information, the data receiving state information comprises information such as the number of received packets and whether the packets are wrong, and finally the data packets of the Bluetooth upgrading firmware are sent completely.
In an embodiment, when the controller 10 receives the data receiving status information and confirms that the bluetooth upgrade firmware is received completely, the controller 10 is further configured to send a restart command to the bluetooth module 30, and the bluetooth module 30 restarts and runs the bluetooth upgrade firmware to complete the upgrade.
In a specific application, after receiving the data receiving state information, the controller judges whether the bluetooth module receives all data packets of the bluetooth upgrading firmware, and when the controller confirms that all data packets of the bluetooth upgrading firmware are received completely, the controller is further configured to send a restart command to the bluetooth module, and after the bluetooth module receives the restart command, the bluetooth module restarts and runs the bluetooth upgrading firmware to complete upgrading.
In this application embodiment, the controller passes through communication interface acquires bluetooth upgrading firmware, control memory storage bluetooth upgrading firmware, when triggering during the button, the button to the controller sends the trigger command, the controller is received behind the trigger command, will bluetooth upgrading firmware send for the bluetooth module, the bluetooth module will bluetooth upgrading firmware save extremely bluetooth memory, bluetooth module operation bluetooth upgrading firmware accomplishes the upgrading, has realized only to trigger the button just can realize bluetooth module upgrading, does not need mechanical dismouting equipment and configuration server, and then upgrading cost is low and the simple operation.
Example two:
as shown in fig. 2, in the present embodiment, the bluetooth module 30 includes an interface unit 301 and a detection unit 302.
The interface unit 301 is at least any one of a serial interface, an I/O interface, and an SPI programming port.
In a specific application, the interface unit is connected with the controller and used for receiving and sending information.
The detecting unit 302 is configured to detect a bluetooth firmware version number currently in the bluetooth module 30.
In a specific application, when the bluetooth module receives the version inquiry command, the bluetooth module starts to inquire the current bluetooth firmware version number in the bluetooth module, and replies the inquired current bluetooth firmware version number to the controller. And when the version number of the current Bluetooth firmware is lower than the version number of the Bluetooth upgrading firmware stored in the control memory, the Bluetooth module replies upgrading information. And after the controller receives the information which is replied by the Bluetooth module and can be upgraded, the controller sends the Bluetooth upgrading firmware to the Bluetooth module.
In the embodiment of the application, the Bluetooth module receives the command and the data of the controller through the interface unit and sends the command and the data to the controller for feedback information, and the detection unit detects the current Bluetooth firmware version number, so that whether Bluetooth firmware needs to be upgraded or not is judged by the Bluetooth module, and the judgment process is rapid, low in power consumption and low in cost.
Example three:
as shown in fig. 3, in the present embodiment, the bluetooth memory 40 includes a cache unit 401, an upgrade unit 402, and a backup unit 403.
The cache unit 401 is configured to store the bluetooth upgrade firmware sent by the controller, and when the bluetooth module receives the bluetooth upgrade command, the bluetooth module empties the cache unit.
In a specific application, after receiving the trigger command, the controller sends the bluetooth upgrade firmware to the bluetooth module, and the bluetooth module stores the bluetooth upgrade firmware in a cache unit of the bluetooth memory.
The upgrade unit 402 is configured to run the bluetooth upgrade firmware.
In a specific application, when the controller sends a restart command to the bluetooth module, and after the bluetooth module receives the restart command and the bluetooth module is restarted, the upgrading unit operates the bluetooth upgrading firmware stored in the cache unit to complete upgrading.
The backup unit 403 is used to store the firmware program before bluetooth firmware upgrade.
In a specific application, the backup unit stores a firmware program before the bluetooth firmware is upgraded so as to prevent the bluetooth module from failing to recover the original bluetooth firmware in the bluetooth firmware upgrading process.
According to the embodiment of the application, the Bluetooth upgrading firmware sent by the controller is cached by the cache unit of the Bluetooth memory, the Bluetooth upgrading firmware runs by the upgrading unit, and the Bluetooth firmware is stably upgraded by storing a firmware program before upgrading the Bluetooth firmware by the backup unit.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention.
Claims (10)
1. A Bluetooth OTA firmware upgrading device is characterized by comprising a controller, a control memory, a Bluetooth module, a Bluetooth memory, a communication interface and a key;
the controller is connected with the control memory, the Bluetooth module, the communication interface and the keys, and the Bluetooth memory is connected with the Bluetooth module;
the controller obtains Bluetooth upgrading firmware through the communication interface, the control storage stores the Bluetooth upgrading firmware, when the button is triggered, the button sends a trigger command to the controller, the controller receives the trigger command and then sends the Bluetooth upgrading firmware to the Bluetooth module, the Bluetooth module stores the Bluetooth upgrading firmware to the Bluetooth storage, and the Bluetooth module runs the Bluetooth upgrading firmware to complete upgrading.
2. The bluetooth OTA firmware upgrade device of claim 1, wherein the controller is connected to the bluetooth module via a serial port, and when the controller receives the trigger command, the controller is further configured to send an upgrade bluetooth command to the bluetooth module, and when the controller receives the upgrade-enabled information replied by the bluetooth module, the controller sends the bluetooth upgrade firmware to the bluetooth module.
3. The bluetooth OTA firmware upgrade apparatus of claim 1 wherein the controller is further configured to send an inquiry version command to the bluetooth module, and the bluetooth module replies to the inquired current bluetooth firmware version number.
4. The bluetooth OTA firmware upgrade apparatus of claim 2, wherein the control memory stores the bluetooth upgrade firmware in a fixed address, and when the controller receives the upgrade available information replied by the bluetooth module, the controller reads the bluetooth upgrade firmware from the fixed address and sends the bluetooth upgrade firmware to the bluetooth module, and the controller is further configured to send a data receiving status query command, and the bluetooth module replies with data receiving status information.
5. The bluetooth OTA firmware upgrade device of claim 4, wherein when the controller receives the data receiving status information and confirms that the bluetooth upgrade firmware is received completely, the controller is further configured to send a restart command to the bluetooth module, and the bluetooth module restarts and runs the bluetooth upgrade firmware to complete the upgrade.
6. The bluetooth OTA firmware upgrade apparatus of claim 1, wherein the bluetooth module further comprises an interface unit, the interface unit being at least any one of a serial interface, an I/O interface and an SPI programming port.
7. The bluetooth OTA firmware upgrade apparatus of claim 1, wherein the bluetooth module further comprises a detection unit for detecting a bluetooth firmware version number in a current bluetooth module.
8. The bluetooth OTA firmware upgrade apparatus of claim 2, wherein the bluetooth memory further comprises a buffer unit, the buffer unit is configured to store the bluetooth upgrade firmware sent by the controller, and when the bluetooth module receives the bluetooth upgrade command, the bluetooth module empties the buffer unit.
9. The bluetooth OTA firmware upgrade apparatus of claim 1 wherein the bluetooth memory further comprises an upgrade unit for running the bluetooth upgrade firmware.
10. The bluetooth OTA firmware upgrade apparatus of claim 1 wherein the bluetooth memory further comprises a backup unit for storing firmware programs prior to bluetooth firmware upgrade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810952354.4A CN110855462A (en) | 2018-08-21 | 2018-08-21 | Bluetooth OTA firmware upgrading device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810952354.4A CN110855462A (en) | 2018-08-21 | 2018-08-21 | Bluetooth OTA firmware upgrading device |
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| CN110855462A true CN110855462A (en) | 2020-02-28 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111954207A (en) * | 2020-07-17 | 2020-11-17 | 易兆微电子(杭州)股份有限公司 | System and method for realizing OTA (on-the-fly) upgrade of self-timer based on BNEP (Bluetooth technology attachment) Bluetooth |
| CN113568639A (en) * | 2021-07-28 | 2021-10-29 | 宁波三星医疗电气股份有限公司 | Software version upgrade management method for Bluetooth module in energy controller |
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Application publication date: 20200228 |