CN110025316A - A kind of low-power consumption can radio upgrade intelligent shoe embedded system - Google Patents
A kind of low-power consumption can radio upgrade intelligent shoe embedded system Download PDFInfo
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- CN110025316A CN110025316A CN201910277795.3A CN201910277795A CN110025316A CN 110025316 A CN110025316 A CN 110025316A CN 201910277795 A CN201910277795 A CN 201910277795A CN 110025316 A CN110025316 A CN 110025316A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0002—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network
- A61B5/0015—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network characterised by features of the telemetry system
- A61B5/002—Monitoring the patient using a local or closed circuit, e.g. in a room or building
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
- A61B5/1036—Measuring load distribution, e.g. podologic studies
- A61B5/1038—Measuring plantar pressure during gait
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
- A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb
- A61B5/112—Gait analysis
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
- A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb
- A61B5/1123—Discriminating type of movement, e.g. walking or running
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
- A61B5/6802—Sensor mounted on worn items
- A61B5/6804—Garments; Clothes
- A61B5/6807—Footwear
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/74—Details of notification to user or communication with user or patient ; user input means
- A61B5/742—Details of notification to user or communication with user or patient ; user input means using visual displays
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2560/00—Constructional details of operational features of apparatus; Accessories for medical measuring apparatus
- A61B2560/02—Operational features
- A61B2560/0204—Operational features of power management
- A61B2560/0209—Operational features of power management adapted for power saving
Abstract
The invention discloses a kind of low-power consumption can radio upgrade intelligent shoe embedded system, comprising: monitoring and awakening module, for acquiring piezoelectric signal；Pressure monitoring module, for acquiring the pressure signal of different location；Posture obtains module, for obtaining the exercise data of different directions；Power supply module, for providing electric power；And: the main control module of bluetooth module is carried, is internally provided with low-power consumption monitoring switching system, data set analysis system, clock synchronization system, wireless firmware upgrade-system and Bluetooth transmission service configuration system in main control module.The present invention relates to the key technologies in the wearable fields such as flexible sensing element, Multi-Sensor Data Fusion, low power dissipation design, short-distance wireless communication, wireless firmware upgrading, enhance the interaction between user and equipment, the cruising ability of system is substantially increased by low-power consumption Processing Algorithm, and increase wireless firmware upgrade function, it provides convenience for the later maintenance of system with function upgrading.
Description
Technical field
The present invention relates to embedded system fields, and in particular to a kind of low-power consumption can the intelligent shoe of radio upgrade be embedded in system
System.
Background technique
Wearable smart machine is the emerging market having a high potential, as more and more wearable devices put into city
, wearable device is just gradually received by society.Wearable market has become the high-tech of rapid growth in global range
One of skill market frequently obtains the favor of capital.Wearable device is by the important ring and big data of people's " Internet of Things networking "
In epoch, the important terminal of user's all data is collected other than mobile phone.
However the development of wearable intelligent running shoes therein is in the world still in the primary stage, the research and development of product and
Technically not yet mature, integrated sensor has a single function mostly based on three axis accelerometer, and accuracy of measurement extremely has
Limit, at the same there is also power consumptions it is big, flexible sensing element is immature, plant maintenance is inconvenient the problems such as.
Summary of the invention
Aiming at the problems existing in the prior art, the purpose of the present invention is to provide a kind of low-power consumption can radio upgrade intelligence
Energy shoes embedded system promotes the autonomous innovation of wearable industry to push the development of flexible sensing technology and wearable industry
Ability creates considerable economic benefit.
In order to realize above-mentioned task, the invention adopts the following technical scheme:
A kind of low-power consumption can radio upgrade intelligent shoe embedded system, comprising:
Monitoring and awakening module, for acquiring piezoelectric signal；
Pressure monitoring module, for acquiring the pressure signal of different location；
Posture obtains module, for obtaining the exercise data of different directions；
Power supply module, for providing electric power；And:
The main control module for carrying bluetooth module is internally provided with low-power consumption monitoring switching system, data in main control module and adopts
Set analysis system, clock synchronization system, wireless firmware upgrade-system and Bluetooth transmission service configuration system:
The low-power consumption monitoring switching system judges pressured state by the piezoelectric signal, to switch main control module
Suspend mode/state of activation, so that embedded system be made to be in unactivated state or state of activation；Low-power consumption monitors switching system
Workflow are as follows: after embedded system power-up initializing, default is in unactivated state, and embedded system is not yet connected at this time
It connects and used；In order to reduce power consumption as much as possible, by opening the timer of 30s, the piezoelectricity of monitoring and awakening module acquisition is believed
Number judge pressured state, low-power consumption mode is switched with this: if piezoelectric signal does not change or changes whithin a period of time
In the threshold range of setting, then it is assumed that wearer remains static, and at this time without Bluetooth broadcast, and obstructed excess pressure monitors
Module, posture obtain module and obtain pressure signal, exercise data, also analyze without data；The width if piezoelectric signal changes
Degree exceeds threshold range, then it is assumed that wearer is kept in motion, and at this time broadcasts triggering bluetooth module, for wearer
It is connected by mobile phone；After user uses for the first time to be connected by Bluetooth of mobile phone, that is, carry out the binding activation of equipment；After activation, when
When detecting motion state, main control module will call data acquisition and analysis system to carry out the acquisition of data, analysis, and analysis is tied
Fruit is by Bluetooth transmission to the mobile phone of connection；After wearer remains static, then restore to low-power consumption mode；
The data acquisition and analysis system is by carrying out fusion treatment, analysis to the pressure signal and exercise data
The athletic posture parameter of wearer out；It is deposited when pressure monitoring module, posture obtain progress storehouse after module has acquired data every time
Storage consumes these gait parameter results with speed, travel distance, calorie to be analyzed, to obtain walking step number, cadence；It is logical
Cross quantitative analysis pressure monitoring module, the matching relationship that posture obtains between the sensing data of the road module Zhong Ge obtains plantar pressure
Whether distribution situation and wearer are in sitting state, realize health measuring function；
The clock synchronization system is daily the time cycle, and the clearing on the same day are carried out to the athletic posture parameter of wearer
Statistics；
The wireless firmware upgrade-system is used to carry out function to embedded system by Bluetooth wireless transmission mode
Upgrade maintenance.
The Bluetooth transmission service configuration system is for configuring Bluetooth transmission service characteristic.
Further, the monitoring and awakening module uses PVDF flexible piezoelectric sensors, and main control module uses CC2541
Chip CC2541F256, power supply module use CR2032 button cell, and pressure monitoring module uses 6 tunnel carbon nano tube flexible pressure drags
Sensor, posture obtain module and use 6 axle sensor MPU6050 of MEMS, model MPU6050；Wherein, PVDF flexible piezoelectric
Sensor is connected to a P00 pin of CC2541 chip, and 6 tunnel carbon nano tube flexible piezoresistance sensors are connected to CC2541
6 axle sensor of ADC channel P01~P06, MEMS of chip is connected in the IIC communication interface of CC2541 with IIC communication mode.
Further, the workflow of the clock synchronization system is as follows:
Client of the intelligent shoe embedded system as GATT, the GATT found on bluetooth host service Current Time
Service, UUID 0x1805 then search the temporal characteristics of the service, then can be obtained by the characteristic value of temporal characteristics
Take relevant temporal information；After obtaining current time information, system will calculate remaining time on the same day, and opening timing device is counted
When；Connection mobile phone will all recalculate remaining time on the same day, and refresh timer every time, and the data on the same day are only tied on the day of
Calculate statistics；After the athletic posture parametric statistics on the same day, it is sent to the mobile phone of wearer by bluetooth module, keeps wearer straight
See the exercise data for recognizing the same day.
Further, the workflow of the wireless firmware upgrade-system is as follows:
Mobile phone provides upgrade file as OAD Manager；And intelligent shoe embedded system is as OAD Target, fortune
Row OAD service；Intelligent shoe embedded system is realized by Image-A and Image-B updates in turn, and BIM is answered positioned at 8051
Bit vector address；Main control module runs BIM first after powering on, then BIM judges in the Flash of main control module with the presence or absence of effective
Image-B, bring into operation if so, jumping to Image-B, if then judging main control module without Image-B
It whether there is Image-A in Flash, run at Image-A if there is jumping to, if it is not, into PM3 sleep state；
OAD aerial upgrade is initiated by OAD Manager, and OAD Manager first requests the end OAD Target application program
Current version relevant information after OAD Target receives request, is sent to OAD Manager, OAD Manager is received by version
The version information sended over to OAD Target then sends upgrade file after determining that the version of current upgrade file is higher
Information is to the end OAD Target；After OAD Target receives information of upgrade file, it is verified as more highest version, then initiates a data
Request after OAD Manager receives request, then sends the data of a block, OAD in the form of notice to OAD Target
Target is properly received a block number after, then initiates request of data, repeatedly；Completely one is received when OAD Target is every
When the data block of the page-size of flash, these data will be written to the specified address flash；If upgrade file transmits
It finishes, then carries out crc inspection, verification resets after passing through, then the connection of bluetooth will be switched off.
Further, the Bluetooth transmission service configuration working-flow is as follows:
The two Bluetooth transmission services of Bluetooth transmission service configuration system configuration: movement gait transmission service, health monitoring mention
It wakes up and services；Move gait transmission service includes 4 features altogether, is respectively used to transmission " walking step number ", " cadence is with speed ", " walking
Distance " and " calorie consumption " 4 analysis results；And health monitoring reminds service to share two features: " plantar pressure point
Cloth " and " sitting prompting "；And OAD firmware upgrade needs corresponding OAD service, it includes two features: Image
Identify and Image Block, first feature are used to transmit firmware identity information, and second feature is used to transmit firmware
Data block；Lead to Data Analysis Services result entanglement in order to avoid clock synchronization system operation irregularity, a time need to be added
Check and correction service, is manually entered current time for user；In addition current power supply module electricity can also be read by bluetooth service.
The present invention has following technical characterstic compared with prior art:
The present invention relates to flexible sensing element, Multi-Sensor Data Fusion, low power dissipation design, short-distance wireless communication, firmwares
Multi-parameter sensor is acquired the technologies such as integration technology, wireless communication and is embedded in by the key technology in the wearable field such as radio upgrade
Into the insole of the worn shoes of people's daily life, in conjunction with multi-parameter sensor it is detectable analyze user walk daily it is richer
Gait situation, such as step number, cadence, move distance, sports energy consumption, duration of passage, pedal dynamics, while can provide user vola
The health monitorings such as pressure distribution situation and sitting prompting are experienced, and the interaction between user and equipment are enhanced, at low-power consumption
Adjustment method substantially increases the cruising ability of system, and increases wireless firmware upgrade function, is the later maintenance and function of system
Upgrading is provided convenience.
Detailed description of the invention
Fig. 1 is the overall structure diagram of present system；
Fig. 2 is the structural schematic diagram of master control inside modules subsystems；
Fig. 3 is present system overall flow figure；
Fig. 4 is that low-power consumption monitors switching system work flow diagram；
Fig. 5 is data acquisition and analysis system work flow diagram；
Fig. 6 is clock synchronization system work flow diagram；
Fig. 7 is that OAD Target firmware chooses schematic diagram；
Fig. 8 is OAD wirelessly transmitting data flow graph；
Fig. 9 is Bluetooth transmission service configuration figure.
Specific embodiment
Technical solution in the embodiment of the present invention that following will be combined with the drawings in the embodiments of the present invention carries out clear, complete
Ground description.
The invention discloses a kind of low-power consumption can radio upgrade intelligent shoe embedded system, comprising:
Monitoring and awakening module, for acquiring piezoelectric signal；
Pressure monitoring module, for acquiring the pressure signal of different location；
Posture obtains module, for obtaining the exercise data of different directions；
Power supply module, for providing electric power；And:
The main control module of bluetooth module is carried, monitoring and awakening module, pressure monitoring module, posture obtain module and power supply
Module is all connected with main control module, main control module be internally provided with low-power consumption monitoring switching system, data acquisition and analysis system, when
Between synchronization system, wireless firmware upgrade-system and Bluetooth transmission service configuration system:
1. low-power consumption monitors switching system
The low-power consumption monitoring switching system judges pressured state by the piezoelectric signal, to switch main control module
Suspend mode/state of activation, so that embedded system be made to be in unactivated state or state of activation.In the present embodiment, the prison
It surveys wake-up module and uses PVDF flexible piezoelectric sensors, main control module uses CC2541 chip.PVDF flexible piezoelectric sensors connect
It is connected to a P00 pin of CC2541.CC2541 master control model CC2541F256, possesses 8kB RAM and 256kB FLASH.
Entire embedded system is powered by power supply module, and power supply module uses CR2032 button cell.The PVDF flexible piezoelectric
Sensor, by judging that pressured state automatically wakes up single-chip microcontroller, is turned off for acquiring highly sensitive piezoelectric signal under sleep state
Other acquisition channels power and stop data transmission.
As shown in figure 4, the low-power consumption monitoring switching system is broadly divided into two parts: the depth under unactivated state is slept
It sleeps and manages and the either shallow sleep management under state of activation.The workflow that low-power consumption monitors switching system is as follows:
After embedded system power-up initializing, default is in unactivated state, and embedded system is not yet connected at this time
It used；In order to reduce power consumption as much as possible, by opening the timer of 30s, to the piezoelectric signal of monitoring and awakening module acquisition
Judge pressured state, low-power consumption mode is switched with this: being set if piezoelectric signal does not change or changed in a period of time T
In fixed threshold range R (specific value of T, R are configured according to actual needs), then it is assumed that wearer remains static,
At this time without Bluetooth broadcast, and obstructed excess pressure monitoring modular, posture obtain module and obtain pressure signal, exercise data,
It is analyzed without data；If piezoelectric signal changes, amplitude exceeds threshold range, then it is assumed that wearer is kept in motion, this
When will triggering bluetooth module broadcast, for wearer by mobile phone connection；When user connects using by Bluetooth of mobile phone for the first time
After connecing, that is, carry out the binding activation of equipment；After activation, when detecting motion state, main control module will call data acquisition point
Analysis system carries out the acquisition of data, analysis, and will analyze mobile phone of the result by Bluetooth transmission to connection；When wearer is in quiet
Only after state, then restore to low-power consumption mode.
2. data acquisition and analysis system
Data acquisition and analysis system analyzes wearing by carrying out fusion treatment to the pressure signal and exercise data
The athletic posture parameter of person.
Data acquisition and analysis system includes two-part data collection and analysis task: the pressure that pressure monitoring module provides
Signal and posture obtain the exercise data that module provides.In the present embodiment, the pressure monitoring module uses 6 tunnel carbon nanotubes
Flexible piezoresistance sensor, posture obtain module and use 6 axle sensor MPU6050 of MEMS, model MPU6050.Wherein, 6 road carbon
Nanotube flexibility piezoresistance sensor is connected to the P01-P06 pin of CC2541, and MPU6050 sensor is with IIC communication mode
It is connected in the IIC communication interface of CC2541.In 6 tunnel carbon nano tube flexible piezoresistance sensors, intelligence is distributed in per sensor all the way
The different location of energy shoes insole；Posture obtains module and main control chip is arranged in the heel below insole.
6 tunnel carbon nano tube flexible piezoresistance sensors can be obtained for detecting each road piezoresistance sensor numerical value by modeling analysis
Get plantar nervous arch situation；MPU6050 sensor passes through for obtaining more and more accurate human cinology's parameter
The athletic posture of human body can be analyzed with the carry out data fusion of piezoresistance sensor；Piezoresistance sensor and MPU6050 sensor
Data fusion is completed by bluetooth SoC chip CC2541；After system and mobile phone establish bluetooth connection, by real-time Transmission athletic posture point
As a result, obtaining current time, firmware needs to be updated by OAD radio upgrade mode when updating maintenance for analysis；Complete equipment
It is powered by one piece of CR2032 button cell.
Data acquisition and analysis system workflow is as follows:
The ADC that pressure monitoring module (6 tunnel carbon nano tube flexible piezoresistance sensor) is separately connected main control module CC2541 is logical
Road P01~P06 configures ADC channel related register, and selection reference voltage is AVDD_SOC (3.3V), is converted using ADC sequence
Mode selects 12-bit resolution；Posture obtains module MEMS6 axle sensor MPU6050 and is integrated with 3 axis accelerometers, 3 axis tops
Spiral shell instrument is connected by simulation IIC interface with main control module, for obtaining the exercise data of intelligent shoe all directions, including line plus
Speed, angular speed.
Storehouse storage is carried out after module has acquired data every time to carry out subsequent sequence when pressure monitoring module, posture obtain
Analysis is to obtain athletic posture parameter: by that will obtain walking step number, cadence after the processing such as filtering, the conversion of wave crest detection formula
These gait parameter results are consumed with speed, travel distance, calorie；Mould is obtained by quantitative analysis pressure monitoring module, posture
Matching relationship between the road Kuai Zhongge sensor (it includes No. 6 sensors that pressure monitoring module, posture, which obtain module) data obtains
It whether is in sitting state to plantar nervous arch situation and wearer, realizes health measuring function.
Under state of activation, when detecting that wearer is kept in motion, that is, above-mentioned data acquisition is carried out
Analysis.
3. clock synchronization system
Clock synchronization system is daily the time cycle, and the clearing for carrying out the same day to the athletic posture parameter of wearer count.
As shown in fig. 6, display mobile phone time function be function important on Intelligent bracelet/wrist-watch of popular it
One, and in intelligent shoe, obtain mobile phone time be primarily not for showing, but for the timesharing of sensing data analysis with it is same
Thus step management carrys out framework and plays time synchronization subsystem.The workflow of the system are as follows:
In client of the intelligent shoe embedded system as GATT, the GATT service on bluetooth host (such as mobile phone) is found
Current Time Service, UUID 0x1805, then searches the temporal characteristics of the service, then passes through temporal characteristics
Characteristic value can obtain relevant temporal information；After obtaining current time information, system will calculate remaining time on the same day, and open
Timer carries out timing；Connection mobile phone will all recalculate remaining time on the same day, and refresh timer every time, and the data on the same day are only
Clearing statistics is carried out on the day of；After the athletic posture parametric statistics on the same day, the mobile phone of wearer is sent to by bluetooth module,
Wearer is set intuitively to recognize the exercise data on the same day.
4. wireless firmware upgrade-system
Wireless firmware upgrade-system is used to carry out function upgrading dimension to embedded system by Bluetooth wireless transmission mode
Shield.
Wireless firmware upgrade-system is related to two main bodys: OAD Target and OAD Manager in the present embodiment；Wherein,
Mobile phone provides upgrade file as OAD Manager；And intelligent shoe embedded system runs OAD clothes as OAD Target
Business.The logical overview of OAD Target is as follows:
Intelligent shoe embedded system realizes update in turn, BIM (Boot Image by Image-A and Image-B
Manager) it is located at 8051 reseting vector address；Main control module runs BIM first after powering on, then BIM judges main control module
Flash in whether there is effective Image-B, bring into operation if so, jumping to Image-B, if without Image-B,
Then judge to run at Image-A with the presence or absence of Image-A in the Flash of main control module if there is jumping to again, if not provided,
Then enter PM3 sleep state；
Under the data flow of entire OAD radio upgrade: OAD aerial upgrade is initiated by OAD Manager, OAD Manager
After OAD Target receives request, current version relevant information is sent out for the version for first requesting the end OAD Target application program
OAD Manager is given, OAD Manager receives the version information that OAD Target is sended over, and determines current upgrading text
After the version of part is higher, then information of upgrade file is sent to the end OAD Target；After OAD Target receives information of upgrade file,
It is verified as more highest version, then a request of data is initiated, after OAD Manager receives request, then to OAD in the form of notice
Target sends the data of a block (16 byte), and OAD Target is properly received a block number after, then initiates request of data,
Repeatedly；When the data block for the page-size for receiving a full flash when OAD Target is every, these data will be written
Flash specified address；If upgrade file end of transmission, crc inspection is carried out, verification resets after passing through, then the company of bluetooth
Connecing will be switched off.
The present invention is lost using Image-A and the new and old firmware alternation update scheme of Image-B even if transmitting when updating new firmware
Lose, system can be differentiated by CRC check the firmware be it is invalid, intelligent shoe embedded system can still operate normally former firmware.
4. Bluetooth transmission service configuration system
Bluetooth transmission service configuration system is for configuring Bluetooth transmission service characteristic.Referring to Fig. 9, being Bluetooth transmission service
Each service of configuration subsystem and its attribute configuration of feature.
The result of above-mentioned Data Fusion and OAD firmware upgrade etc. all rely on Bluetooth transmission to realize, therefore
Need to formulate serial Bluetooth transmission service:
It is corresponding with data acquisition and analysis system first, need to configure two Bluetooth transmission services: movement gait transmission clothes
Service is reminded in business, health monitoring；Move gait transmission service includes 4 features altogether, is respectively used to transmission " walking step number ", " step
Frequency with speed ", " travel distance " and " calorie consumption " 4 analysis results；And health monitoring reminds service to share two features:
" plantar nervous arch " and " sitting prompting "；And OAD firmware upgrade needs corresponding OAD service, it includes two features:
Image Identify and Image Block, first feature are used to transmit firmware identity information, and second feature is used to transmit
The data block of firmware；Lead to Data Analysis Services result entanglement in order to avoid clock synchronization system operation irregularity, one need to be added
The check and correction service of item time, is manually entered current time for user；In addition current battery charge can also be read by bluetooth service；
In addition, there are also equipment factory information inspections to service Device Information, product IDs, the product serial of equipment can be checked
Number, the information such as hardware version, software version.
In conclusion the embedded system working principle of the present embodiment are as follows:
After system electrification initialization, system inactive in a dormant state, only carries out single channel PVDF flexible piezoelectric sensing
The data of device acquire to judge pressured state, Bluetooth broadcast are carried out when detecting movement, without any data collection and analysis
Task, for the first time using the binding activation that need to connect progress equipment by Bluetooth of mobile phone；After device activation, equipment enters when static
Dormant state closes other acquisition channels；When human body starts to walk about, equipment is by judging that the change of pressured state automatically wakes up
Single-chip microcontroller, and the acquisition tasks of 6 tunnel carbon nano tube flexible piezoresistance sensors and MPU6050 sensor are opened, and pressure drag is sensed
Device data and MPU6050 sensing data carry out fusion treatment, analyze the various athletic posture parameters of human body；Connection hand every time
After machine, current analysis result is carried out real-time dynamic refresh by Bluetooth transmission by equipment；When having detected that new firmware needs more
When new, the service of OAD radio upgrade will be entered to transmit new firmware, upgrading, which will finish system, to restart.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
It improves design and is subject to equivalent substitution or change, should be covered by the scope of protection of the present invention.
Claims (5)
1. a kind of low-power consumption can radio upgrade intelligent shoe embedded system characterized by comprising
Monitoring and awakening module, for acquiring piezoelectric signal；
Pressure monitoring module, for acquiring the pressure signal of different location；
Posture obtains module, for obtaining the exercise data of different directions；
Power supply module, for providing electric power；And:
The main control module for carrying bluetooth module is internally provided with low-power consumption monitoring switching system, data acquisition point in main control module
Analysis system, clock synchronization system, wireless firmware upgrade-system and Bluetooth transmission service configuration system:
The low-power consumption monitoring switching system judges pressured state by the piezoelectric signal, to switch stopping for main control module
Dormancy/state of activation, so that embedded system be made to be in unactivated state or state of activation；The work of low-power consumption monitoring switching system
Process are as follows: after embedded system power-up initializing, default is in unactivated state, and embedded system is not yet connected and makes at this time
It is used；In order to reduce power consumption as much as possible, by opening the timer of 30s, the piezoelectric signal of monitoring and awakening module acquisition is sentenced
Disconnected pressured state switches low-power consumption mode with this: setting if piezoelectric signal does not change whithin a period of time or changes
Threshold range in, then it is assumed that wearer remains static, and at this time without Bluetooth broadcast, and obstructed excess pressure monitors mould
Block, posture obtain module and obtain pressure signal, exercise data, also analyze without data；The amplitude if piezoelectric signal changes
Beyond threshold range, then it is assumed that wearer is kept in motion, and at this time broadcasts triggering bluetooth module, so that wearer is logical
Cross mobile phone connection；After user uses for the first time to be connected by Bluetooth of mobile phone, that is, carry out the binding activation of equipment；After activation, work as inspection
When measuring motion state, main control module will call data acquisition and analysis system to carry out the acquisition of data, analysis, and will analyze result
By Bluetooth transmission to the mobile phone of connection；After wearer remains static, then restore to low-power consumption mode；
The data acquisition and analysis system is analyzed and is worn by carrying out fusion treatment to the pressure signal and exercise data
The athletic posture parameter of wearer；When pressure monitoring module, posture obtain module acquired data every time after carry out storehouse storage with
It is analyzed, consumes these gait parameter results with speed, travel distance, calorie to obtain walking step number, cadence；By fixed
The matching relationship that amount analysis pressure monitoring module, posture obtain between the sensing data of the road module Zhong Ge obtains plantar nervous arch
Whether situation and wearer are in sitting state, realize health measuring function；
The clock synchronization system is daily the time cycle, and the clearing for carrying out the same day to the athletic posture parameter of wearer are united
Meter；
The wireless firmware upgrade-system is used to carry out function upgrading to embedded system by Bluetooth wireless transmission mode
Maintenance.
The Bluetooth transmission service configuration system is for configuring Bluetooth transmission service characteristic.
2. low-power consumption as described in claim 1 can radio upgrade intelligent shoe embedded system, which is characterized in that the prison
It surveys wake-up module and uses PVDF flexible piezoelectric sensors, main control module uses CC2541 chip CC2541F256, and power supply module is adopted
With CR2032 button cell, pressure monitoring module uses 6 tunnel carbon nano tube flexible piezoresistance sensors, and posture obtains module and uses
MEMS6 axle sensor MPU6050, model MPU6050；Wherein, PVDF flexible piezoelectric sensors are connected to CC2541 chip
One P00 pin, 6 tunnel carbon nano tube flexible piezoresistance sensors are connected to ADC channel P01~P06 of CC2541 chip,
MEMS6 axle sensor is connected in the IIC communication interface of CC2541 with IIC communication mode.
3. low-power consumption as described in claim 1 can radio upgrade intelligent shoe embedded system, which is characterized in that when described
Between synchronization system workflow it is as follows:
Client of the intelligent shoe embedded system as GATT, the GATT found on bluetooth host service Current Time
Service, UUID 0x1805 then search the temporal characteristics of the service, then can be obtained by the characteristic value of temporal characteristics
Take relevant temporal information；After obtaining current time information, system will calculate remaining time on the same day, and opening timing device is counted
When；Connection mobile phone will all recalculate remaining time on the same day, and refresh timer every time, and the data on the same day are only tied on the day of
Calculate statistics；After the athletic posture parametric statistics on the same day, it is sent to the mobile phone of wearer by bluetooth module, keeps wearer straight
See the exercise data for recognizing the same day.
4. low-power consumption as described in claim 1 can radio upgrade intelligent shoe embedded system, which is characterized in that described consolidates
The workflow of part wireless upgrade system is as follows:
Mobile phone provides upgrade file as OAD Manager；And intelligent shoe embedded system runs OAD as OAD Target
Service；Intelligent shoe embedded system realizes update in turn by Image-A and Image-B, and BIM is located at 8051 reseting vector
Address；Main control module runs BIM first after powering on, then BIM judges in the Flash of main control module with the presence or absence of effective
Image-B brings into operation if so, jumping to Image-B, if without Image-B, then judge the Flash of main control module
In whether there is Image-A, if there is jumping to Image-A at operation, if it is not, into PM3 sleep state；
OAD aerial upgrade is initiated by OAD Manager, and OAD Manager first requests the version of the end OAD Target application program,
After OAD Target receives request, current version relevant information is sent to OAD Manager, OAD Manager receives OAD
The version information that Target is sended over, after determining that the version of current upgrade file is higher, then send information of upgrade file to
The end OAD Target；After OAD Target receives information of upgrade file, it is verified as more highest version, then initiates a request of data,
After OAD Manager receives request, then the data of a block are sent to OAD Target in the form of notice, OAD Target is just
After acknowledgement to a block number evidence, then request of data is initiated, repeatedly；When the page of the full flash of the every receipts of OAD Target
When the data block of size, these data will be written to the specified address flash；If upgrade file end of transmission, carries out
Crc is examined, and verification resets after passing through, then the connection of bluetooth will be switched off.
5. low-power consumption as described in claim 1 can radio upgrade intelligent shoe embedded system, which is characterized in that the indigo plant
It is as follows that tooth transmits service configuration working-flow:
The two Bluetooth transmission services of Bluetooth transmission service configuration system configuration: clothes are reminded in movement gait transmission service, health monitoring
Business；Move gait transmission service includes 4 features altogether, is respectively used to transmission " walking step number ", " cadence is with speed ", " travel distance "
And " calorie consumption " 4 analysis results；And health monitoring reminds service to share two features: " plantar nervous arch " and
" sitting prompting "；And OAD firmware upgrade needs corresponding OAD service, it includes two features: Image Identify and
Image Block, first feature are used to transmit firmware identity information, and second feature is used to transmit the data block of firmware；For
It avoids clock synchronization system operation irregularity and leads to Data Analysis Services result entanglement, a time check and correction service need to be added,
Current time is manually entered for user；In addition current power supply module electricity can also be read by bluetooth service.
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