CN206759733U - A kind of equipment communicated based on bluetooth - Google Patents
A kind of equipment communicated based on bluetooth Download PDFInfo
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- CN206759733U CN206759733U CN201720324357.4U CN201720324357U CN206759733U CN 206759733 U CN206759733 U CN 206759733U CN 201720324357 U CN201720324357 U CN 201720324357U CN 206759733 U CN206759733 U CN 206759733U
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Abstract
The utility model embodiment provides a kind of equipment communicated based on bluetooth, including micro-control unit MCU and radio frequency unit, and the MCU includes link-level entities LLE logic circuits, and the LLE logic circuits include the physical layer element of bluetooth；The LLE logic circuits with the radio frequency unit linkup transmit and/or receive by eating dishes without rice or wine data.The LLE logic circuits of physical layer element including bluetooth are integrated into MCU by the utility model embodiment, it is not necessary to independent bluetooth module, are avoided other layer units in integrated Bluetooth protocol, saved equipment volume and cost.
Description
Technical field
The utility model embodiment is related to communication technique field, more particularly to a kind of equipment communicated based on bluetooth.
Background technology
Bluetooth (Bluetooth) is a kind of wireless technology standard, and fixed equipment, mobile device and building people domain can be achieved
Short-range data between net exchanges.Bluetooth is present in many equipment, such as phone, tablet personal computer, media player, robot
System, handheld device, notebook computer, game paddle and some high tone quality earphone, modem and wrist-watches etc..
The existing equipment communicated based on bluetooth includes independent bluetooth module, moreover, independent bluetooth module is adopted
It is the blue tooth productses of bluetooth manufacturer shaping.
Because the device area that independent bluetooth module takes is big, so, the existing equipment communicated based on bluetooth
Need to reserve enough spaces for independent bluetooth module when making, add the volume of the equipment communicated based on bluetooth
And cost.
Utility model content
The utility model embodiment provides a kind of equipment communicated based on bluetooth, to solve existing to be based on bluetooth
The problem of volume of the equipment communicated is big, cost is high.
According to the one side of the utility model embodiment, there is provided a kind of equipment communicated based on bluetooth, including it is micro-
Control unit MCU and radio frequency unit, the MCU include link-level entities LLE logic circuits, and the LLE logic circuits include indigo plant
The physical layer element of tooth；The LLE logic circuits with the radio frequency unit linkup transmit and/or receive by eating dishes without rice or wine data.
Alternatively, the MCU also includes the storage control being connected with the LLE logic circuits.
Alternatively, the MCU also includes the memory being connected with the storage control, and the memory is used to store indigo plant
The data in link layer of tooth.
Alternatively, the storage control reads and sent the data in link layer that is stored in the memory to described
LLE logic circuits, the LLE logic circuits send the data in link layer received to the radio frequency unit, described to penetrate
The data in link layer received is modulated to data of eating dishes without rice or wine by frequency unit.
Alternatively, the LLE logic circuits by be connected with the radio frequency unit reception eat dishes without rice or wine to trigger after data it is default in
Disconnected event.
Alternatively, the data of eating dishes without rice or wine received are demodulated into data in link layer by the radio frequency unit, and will be demodulated
To data in link layer send to the LLE logic circuits, the storage control will according to the default interrupt event
The data in link layer that the LLE logic circuits receive is stored to the memory.
Alternatively, the LLE logic circuits are connected by serial peripheral equipment interface SPI with the radio frequency unit.
Alternatively, the LLE logic circuits include the physical layer element of low-power consumption bluetooth.
Alternatively, the memory includes static RAM SRAM.
Alternatively, the LLE logic circuits by be connected with the radio frequency unit receive firmware data, the MCU according to
The firmware data upgrades to the equipment.
A kind of equipment communicated based on bluetooth provided according to the utility model embodiment, including micro-control unit
MCU and radio frequency unit, MCU include link-level entities LLE logic circuits, and LLE logic circuits include the physical layer element of bluetooth；
LLE logic circuits with radio frequency unit linkup transmit and/or receive by eating dishes without rice or wine data.In the utility model embodiment based on indigo plant
The equipment that tooth is communicated, the LLE logic circuits of the physical layer element including bluetooth are integrated into MCU, it is not necessary to independent
Bluetooth module, other layer units in integrated Bluetooth protocol are avoided, save equipment volume and cost.
Brief description of the drawings
Fig. 1 is the structured flowchart according to a kind of equipment communicated based on bluetooth of the utility model embodiment one；
Fig. 2 is the structured flowchart according to a kind of equipment communicated based on bluetooth of the utility model embodiment two；
Fig. 3 is the process schematic transmitted according to the firmware data of the utility model embodiment two；
Fig. 4 is the principle schematic according to the multiple equipment firmware updating of the utility model embodiment two.
Description of reference numerals：
10th, micro-control unit；20th, radio frequency unit；30th, external flash；40th, sensor；11st, link-level entities logic electricity
Road；12nd, storage control；13rd, memory；14th, direct memory access unit；15th, internal storage space；16th, peripheral unit.
Embodiment
(identical label represents identical element in some accompanying drawings) and embodiment below in conjunction with the accompanying drawings are new to this practicality
The embodiment of type embodiment is described in further detail.Following examples are used to illustrate the utility model, but are not used to
Limit the scope of the utility model.
It will be understood by those skilled in the art that the term such as " first ", " second " in the utility model embodiment is only used for
Different step, equipment or module etc. are distinguished, any particular technology implication is neither represented, does not also indicate that the inevitable logic between them
Sequentially.
Embodiment one
Fig. 1 shows a kind of structural frames of equipment communicated based on bluetooth according to the utility model embodiment one
Figure.
Reference picture 1, a kind of equipment communicated based on bluetooth that the utility model embodiment provides, including：Microcontroller
Unit (Microcontroller Unit, MCU) 10 and radio frequency unit 20.Wherein, MCU10 includes link-level entities (Link
Level Entity, LLE) logic circuit 11, LLE logic circuits 11 include physical layer (PHY) unit of bluetooth.
LLE logic circuits 11 are realized in the present embodiment by being eated dishes without rice or wine data with the linkup transmit of radio frequency unit 20 and/or receive
The equipment and other equipment that are communicated based on bluetooth between communication, wherein, data of eating dishes without rice or wine are adjusted by radio frequency unit 20
Data after system or demodulation, it is 2.4Ghz radio wave.
It should be noted that the field programmable gate array that the LLE logic circuits 11 in the present embodiment belong in MCU10
One part of (Field Programmable Gate Array, FPGA).
A kind of equipment communicated based on bluetooth provided according to embodiment, including micro-control unit MCU and radio frequency list
Member, MCU include link-level entities LLE logic circuits, and LLE logic circuits include the physical layer element of bluetooth；LLE logic circuits lead to
Cross and eated dishes without rice or wine data with radio frequency unit linkup transmit and/or receive.The equipment communicated based on bluetooth in the present embodiment, will be wrapped
The LLE logic circuits for including the physical layer element of bluetooth are integrated into MCU, it is not necessary to independent bluetooth module, avoid integrated indigo plant
Other layer units in tooth agreement, save equipment volume and cost.
Embodiment two
Fig. 2 shows a kind of structural frames of equipment communicated based on bluetooth according to the utility model embodiment two
Figure.
Reference picture 2, a kind of equipment communicated based on bluetooth that the utility model embodiment provides, including：MCU10 and
Radio frequency unit 20.Wherein, MCU10 with Coretex-M3 (a kind of processor) for kernel, MCU10 include LLE logic circuits 11, with
The storage control 12 that LLE logic circuits 11 connect, and, the memory 13 being connected with storage control 12, memory 13 is used
In the data in link layer of storage bluetooth.LLE logic circuits 11 include physical layer (PHY) unit of bluetooth.
LLE logic circuits 11 are realized in the present embodiment by being eated dishes without rice or wine data with the linkup transmit of radio frequency unit 20 and/or receive
Communicated based on the equipment that bluetooth is communicated and other equipment.
Alternatively, in a kind of feasible embodiment, being sent out based on the equipment that bluetooth is communicated in the present embodiment
Send when eating dishes without rice or wine data, storage control 12 reads and sent the data in link layer that is stored in memory 13 to LLE logics electricity
The data in link layer received is sent to radio frequency unit 20, radio frequency unit 20 and will received by road 11, LLE logic circuits 11
Data in link layer be modulated to data of eating dishes without rice or wine.
Alternatively, in a kind of feasible embodiment, being connect based on the equipment that bluetooth is communicated in the present embodiment
Receipts eat dishes without rice or wine data when, LLE logic circuits 11 eat dishes without rice or wine to trigger default interrupt event after data by being connected reception with radio frequency unit 20,
The default interrupt event is that MCU10 aims at LLE logic circuits 11 and set.The data of eating dishes without rice or wine received are demodulated into by radio frequency unit 20
Data in link layer, and the data in link layer that demodulation is obtained is sent to LLE logic circuits 11, storage control 12
The data in link layer that LLE logic circuits 11 receive is stored to memory 13 according to default interrupt event.
Alternatively, the LLE logic circuits 11 in the present embodiment pass through Serial Peripheral Interface (SPI) (Serial Peripheral
Interface, SPI) and radio frequency unit 20 connect.Data in link layer in memory 13 is data signal, is assisted by SPI
View is communicated with radio frequency unit 20.
Alternatively, LLE logic circuits 11 include the physical layer of low-power consumption bluetooth (Bluetooth Low Energy, BLE)
Unit, in a kind of feasible embodiment, LLE logic circuits 11 can include the physical layer for supporting the BLE of the standard of bluetooth 5.0
Unit.
Alternatively, memory 13 include static RAM (Static Random Access Memory,
SRAM), because the calculating data volume of LLE logic circuits 11 is bigger, therefore memory 13 is individually divided for LLE logic circuits 11
The individual memory cells matched somebody with somebody, the memory capacity of memory 13 can be 128KB, the present embodiment to the particular capacity of memory 13 not
It is limited.
It should be noted that the composition portion for the FPGA that the LLE logic circuits 11 in the present embodiment belong in MCU10
Point.
Alternatively, MCU10 also includes direct memory access (Direct Memory Access, DMA) unit 14, inside
Memory space 15 and peripheral unit 16.Wherein, DMA unit 14 need not take MCU10 time, be that direct access storage inside is empty
Between data in 15 control module, for moving for Large Volume Data.Internal storage space 15 includes 16KB read-only storage
Random access memory (Random Access Memory, RAM) (Fig. 2 of device (Read Only Memory, ROM) and 128KB
Not shown in).Peripheral unit 16 includes real-time clock (Real Time Clock, RTC), universal asynchronous receiving-transmitting transmitter
(Universal Asynchronous Receiver/Transmitter, UART), timer (Timer), twin wire are serially total
Line (Inter-Integrated Circuit, I2C), general input/output port (General Purpose Input
Output, GPIO) and SPI (not shown in Fig. 2).
Alternatively, a kind of equipment communicated based on bluetooth that the present embodiment provides can also include：External flash 30
With sensor 40.External flash 30 is communicated by SPI and MCU10, and sensor 40 is communicated by I2C and MCU10.
A kind of equipment communicated based on bluetooth provided according to embodiment, including micro-control unit MCU and radio frequency list
Member, MCU include link-level entities LLE logic circuits, and LLE logic circuits include the physical layer element of bluetooth；LLE logic circuits lead to
Cross and eated dishes without rice or wine data with radio frequency unit linkup transmit and/or receive.The equipment communicated based on bluetooth in the present embodiment, will be wrapped
The LLE logic circuits for including the physical layer element of bluetooth are integrated into MCU, it is not necessary to independent bluetooth module, avoid integrated indigo plant
Other layer units in tooth agreement, save equipment volume and cost.
Because the calculating data volume of LLE logic circuits is larger, therefore, independent storage is individually distributed for LLE logic circuits
Unit, to improve the speed of service of LLE logic circuits.
Based on above-mentioned to the introduction of the equipment communicated in the present embodiment based on bluetooth, when LLE logic circuits 11 pass through
When reception firmware data is connected with radio frequency unit 20, MCU10 can upgrade according to firmware data to the equipment.Specifically can be with
Using the broadcast channel speed of the standard of bluetooth 5.0 is high and the characteristics of long data packet, to equipment progress firmware upgrade.It is a kind of feasible
In embodiment, firmware data (a kind of BIN files) can be chosen in computer terminal, by the serial ports with computer terminal or
The Bluetooth adapter or Bluetooth Receiver of USB connections send can not continuously broadcast packet (Non-connectable Advert) to setting
It is standby.As shown in figure 3, the process schematic of firmware data transmission is shown, wherein, the bluetooth for connecting the serial ports of computer terminal is adapted to
Device or Bluetooth Receiver are configured to secondary part (Peripheral role) and sent to connect by safety isolation network gate (GAP)
Broadcast packet (Non-connectable Advert) is connect, firmware device to be upgraded is configured as core roles (central
Role), firmware device to be upgraded, which receives, can find that non-directional broadcast packet (Discoverable Advert) sends scanning and asked afterwards
Message (SCAN_REQ) is sought, comprising 6 eight bit bytes (octets) wherein in SCAN_REQ payload (Payload)
The address of the address of firmware device to be upgraded and 6 octets Bluetooth adapter or Bluetooth Receiver, Peripheral role
The address for the firmware device to be upgraded that 6 octets are confirmed after SCAN_REQ is received whether to the equipment in requisition for upgrading, so
Sending scan transponding message (SCAN_RES) afterwards notifies firmware device to be upgraded to prepare to receive BIN files, wherein SCAN_RES's
Peripheral role address comprising 6 octets and 32 octets scanning feedback data (Scan in Payload
Rsp Data, the relevant information comprising BIN files and the address for needing firmware updating equipment, wherein, relevant information includes BIN texts
The length each wrapped in part, checking information etc.)；After equipment confirms successfully, Peripheral role continuously transmit broadcast packet will
BIN file subpackages are sent to firmware device to be upgraded, for example, being divided into n bag, n is positive integer, respectively the broadcast packet of label 1,
Broadcast packet ... the label n broadcast packets of label 2, wherein, each bag has fixed label (label), Peripheral role
After sending each bag, firmware device to be upgraded sends SCAN_REQ to Peripheral role, and Peripheral role are again
SCAN_RES is returned to firmware device to be upgraded.After Peripheral role are sent last bag, pass through SCAN_RES
Inform that firmware device to be upgraded is sent, firmware device to be upgraded is locally carrying out firmware upgrade after receiving the success of BIN files.
As shown in figure 4, to ensure receiving to multiple equipment firmware updating, Bluetooth adapter or Bluetooth Receiver simultaneously
The address of the equipment can be recorded after the SCAN_REQ of each equipment, and establishes firmware upgrade equipment list (Central Device
Table), often increase an equipment, increase a upgrading chain in firmware upgrade equipment list；Peripheral role are every
After secondary transmission packet (exemplified by sending the broadcast packet of label 1 to the broadcast packet of label 8), pass through parsing when receiving SCAN_REQ
6 octets device address in Payload, the equipment that record is successfully received data (are labeled as black, or marked using other
Note mode), if there is the equipment lost or be unsuccessfully received packet, Peripheral role cycle through the number of the label
According to bag, until all devices receive complete BIN files.
Those of ordinary skill in the art are it is to be appreciated that the list of each example described with reference to the embodiments described herein
Member and method and step, it can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually
Performed with hardware or software mode, application-specific and design constraint depending on technical scheme.Professional and technical personnel
Described function can be realized using distinct methods to each specific application, but this realization is it is not considered that exceed
The scope of the utility model embodiment.
Embodiment of above is merely to illustrate the utility model embodiment, and not to the limit of the utility model embodiment
System, the those of ordinary skill about technical field, in the case where not departing from the spirit and scope of the utility model embodiment, also
It can make a variety of changes and modification, therefore all equivalent technical schemes fall within the category of the utility model embodiment, this
The scope of patent protection of utility model embodiment should be defined by the claims.
Claims (10)
1. a kind of equipment communicated based on bluetooth, it is characterised in that including micro-control unit MCU (10) and radio frequency unit
(20), the MCU (10) includes link-level entities LLE logic circuits (11), and the LLE logic circuits (11) include the thing of bluetooth
Manage layer unit；
The LLE logic circuits (11) with the radio frequency unit (20) linkup transmit and/or receive by eating dishes without rice or wine data.
2. equipment according to claim 1, it is characterised in that the MCU (10) also includes and the LLE logic circuits
(11) storage control (12) of connection.
3. equipment according to claim 2, it is characterised in that the MCU (10) also includes and the storage control
(12) memory (13) of connection, the memory (13) are used for the data in link layer for storing bluetooth.
4. equipment according to claim 3, it is characterised in that the storage control (12) is read and sends the storage
Data in link layer to the LLE logic circuits (11), the LLE logic circuits (11) of storage will receive in device (13)
Data in link layer send the data link number of plies that will be received to the radio frequency unit (20), the radio frequency unit (20)
According to being modulated to data of eating dishes without rice or wine.
5. equipment according to claim 3, it is characterised in that the LLE logic circuits (11) by with the radio frequency list
First (20) connection reception eats dishes without rice or wine to trigger default interrupt event after data.
6. equipment according to claim 5, it is characterised in that the data solution of eating dishes without rice or wine that the radio frequency unit (20) will receive
Data in link layer is adjusted to, and the data in link layer that demodulation is obtained is sent to the LLE logic circuits (11), it is described
The data in link layer that storage control (12) receives the LLE logic circuits (11) according to the default interrupt event
Store to the memory (13).
7. equipment according to claim 1, it is characterised in that the LLE logic circuits (11) pass through Serial Peripheral Interface (SPI)
SPI and the radio frequency unit (20) connection.
8. equipment according to claim 1, it is characterised in that the LLE logic circuits (11) include low-power consumption bluetooth
Physical layer element.
9. equipment according to claim 3, it is characterised in that the memory (13) includes static RAM
SRAM。
10. according to any described equipment of claim 1-9, it is characterised in that the LLE logic circuits (11) by with it is described
Radio frequency unit (20) connection receives firmware data, and the MCU (10) upgrades according to the firmware data to the equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720324357.4U CN206759733U (en) | 2017-03-29 | 2017-03-29 | A kind of equipment communicated based on bluetooth |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720324357.4U CN206759733U (en) | 2017-03-29 | 2017-03-29 | A kind of equipment communicated based on bluetooth |
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| Publication Number | Publication Date |
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| CN206759733U true CN206759733U (en) | 2017-12-15 |
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| CN201720324357.4U Active CN206759733U (en) | 2017-03-29 | 2017-03-29 | A kind of equipment communicated based on bluetooth |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110572387A (en) * | 2019-09-04 | 2019-12-13 | 大唐半导体科技有限公司 | link layer processing method |
| CN111343263A (en) * | 2020-02-21 | 2020-06-26 | 北京京东尚科信息技术有限公司 | Operation and maintenance system and operation and maintenance method for batch private cloud |
| CN112527347A (en) * | 2020-11-28 | 2021-03-19 | 武汉蓝星科技股份有限公司 | Electronic equipment upgrading method and system |
-
2017
- 2017-03-29 CN CN201720324357.4U patent/CN206759733U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110572387A (en) * | 2019-09-04 | 2019-12-13 | 大唐半导体科技有限公司 | link layer processing method |
| CN111343263A (en) * | 2020-02-21 | 2020-06-26 | 北京京东尚科信息技术有限公司 | Operation and maintenance system and operation and maintenance method for batch private cloud |
| CN112527347A (en) * | 2020-11-28 | 2021-03-19 | 武汉蓝星科技股份有限公司 | Electronic equipment upgrading method and system |
| CN112527347B (en) * | 2020-11-28 | 2024-03-29 | 武汉蓝星科技股份有限公司 | Electronic equipment upgrading method and system |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190428 Address after: Room 402-403, Building D, Zhangjiagang Economic and Technological Development Zone, Suzhou City, Jiangsu Province Patentee after: Peach Core Technology (Suzhou) Co., Ltd. Address before: 100080 Haidian Street, Haidian District, Beijing Patentee before: Beijing firefly Technology Co., Ltd. |
|
| TR01 | Transfer of patent right |