CN105721218A - Medical guiding system embedded firmware upgrade system - Google Patents
Medical guiding system embedded firmware upgrade system Download PDFInfo
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- CN105721218A CN105721218A CN201610123037.2A CN201610123037A CN105721218A CN 105721218 A CN105721218 A CN 105721218A CN 201610123037 A CN201610123037 A CN 201610123037A CN 105721218 A CN105721218 A CN 105721218A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
- H04L67/025—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
-
- 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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/70—Software maintenance or management
- G06F8/71—Version control; Configuration management
-
- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/50—Reducing energy consumption in communication networks in wire-line communication networks, e.g. low power modes or reduced link rate
Abstract
The present invention provides a medical guiding system embedded firmware upgrade system, which belongs to the technical field of information processing. The medical guiding embedded firmware upgrade system comprises a server and a plurality of clients, which are mutually connected via a 2.4G network, and the server and each client both comprises a 2.4G communication module. The firmware upgrade system provided by the present invention can generate signals of multiple frequencies with the only need for one vibrator, thereby reducing power consumption.
Description
Technical field
The present invention relates to a kind of embedded firmware upgrade system of guide medical system, particularly relate to a kind of embedded firmware upgrade system of the guide medical system based on 2.4G network, belong to field of computer technology.
Background technology
When embedded device system adds and electrically activates, processor can running in the program designation in ROM to internal memory.In order to systems soft ware function being upgraded or revising mistake therein, it is possible to the program in ROM is updated, namely again writes with a brush dipped in Chinese ink.Usually equipment is fetched, by bootstrap, original program in ROM is deleted, then by new program write.For making consumption few and equipment is easier the working environment fetched, this method is feasible.But relatively more at equipment usage quantity, use under position scattered environment, the cost of this type of equipment software upgrading or maintenance work will be greatly increased.
Summary of the invention
For overcoming the technical problem existed in prior art, the goal of the invention of the present invention is a kind of embedded firmware upgrade system of the guide medical system based on 2.4G network, it can pass through network remote and update the program in ROM and data, thus reduce maintenance cost, improve work efficiency, and power attenuation can be reduced.
For realizing described goal of the invention, the present invention provides a kind of embedded firmware upgrade system of guide medical system, and it includes the server by connecting in 2.4G network and multiple client, server and each client and all includes 2.4G communication module.
Preferably, 2.4G communication module at least includes local frequency generation module and fixed frequency generator, and local frequency generation module produces the signal of multiple different frequencies according to the fixed frequency signal that fixed frequency generator provides.
Preferably, local frequency generation module at least includes the first frequency divider, the second frequency divider, the first orthogonal signal generator, the second orthogonal signal generator, the first multiplier, the second multiplier, first adder and second adder, wherein, the first frequency divider divides, for the signal that fixed frequency generator is provided, the signal obtaining first frequency；First orthogonal signal generator obtains mutually orthogonal secondary signal and the 3rd signal for the signal of first frequency is carried out orthogonal transformation；Second frequency divider divides, for the signal that fixed frequency generator is provided, the signal obtaining the 4th frequency；Second orthogonal signal generator obtains the 5th mutually orthogonal signal and the 6th signal for the signal of first frequency is carried out orthogonal transformation；First multiplier is for being multiplied with the 5th signal to secondary signal, and is supplied to first adder；Second multiplier is for being multiplied to the 3rd signal and the 6th signal, and is supplied to first adder；The signal that first multiplier and the second multiplier are provided by first adder carries out additive operation.
Preferably, local frequency generation module at least includes tri-frequency divider, the 3rd orthogonal signal generator, the 4th orthogonal signal generator, the 3rd multiplier, the 4th multiplier, the 3rd adder and the 4th adder, wherein, tri-frequency divider divides, for the signal that fixed frequency generator is provided, the signal obtaining the 3rd frequency；3rd orthogonal signal generator obtains the 7th mutually orthogonal signal and the 8th signal for the signal of the 3rd frequency is carried out orthogonal transformation；4th orthogonal signal generator obtains the 9th mutually orthogonal signal and the tenth signal for the signal of fixed frequency is carried out orthogonal transformation；3rd multiplier is for being multiplied to the 7th signal and the 9th signal, and is supplied to second adder；4th multiplier is for being multiplied to the 8th signal and the tenth signal, and is supplied to second adder；The signal that 3rd multiplier and the 4th multiplier are provided by second adder carries out additive operation.
Preferably, local frequency generation module at least includes four-divider, and it is for dividing fixed frequency.
Preferably, local frequency generation module at least includes the first doubler, and it carries out frequency multiplication for the signal that first adder is provided.
Preferably, local frequency generation module at least includes the second doubler, and it carries out frequency multiplication for the signal that second adder is provided.
Preferably, the embedded firmware upgrade system of guide medical system at least includes agc circuit.
Compared with prior art, the embedded firmware upgrade system of guide medical system provided by the invention, it can pass through network remote and update the program in ROM and data, thus reduces maintenance cost, improves work efficiency, and can reduce power attenuation.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the guide medical system based on 2.4G network provided by the invention；
Fig. 2 is the composition frame chart of client provided by the invention；
Fig. 3 is the flow chart of firmware upgrade provided by the invention；
Fig. 4 is the composition frame chart of 2.4G module provided by the invention；
Fig. 5 is the composition frame chart of frequency source provided by the invention；
Fig. 6 is the circuit diagram of the band filter in receiver provided by the invention；
Fig. 7 is the circuit diagram of AGC provided by the invention.
Detailed description of the invention
The present invention is described in detail below in conjunction with accompanying drawing.
Fig. 1 is the entire block diagram of guide medical system provided by the invention, as it is shown in figure 1, present system includes server, client 1, client 2 ..., and client n, wherein client includes control unit and 2.4G communication module；Server and client are communicated by 2.4G wireless network.When user needs updating client, first by the upgrading mark position 1 of server end, by 2.4G wireless network, upgrading flag bit being passed to client, client will detect upgrading flag bit after powering on automatically, need upgrading if flag bit is 1 expression, otherwise not upgrade.Then, server by upgrade file by 2.4G wireless network transparent download to client, it is achieved the transmission of data and renewal, thus reaching the purpose of the online upgrading of the built-in system software of client.
The data of ROM are mainly wiped and downloaded by the upgrading of client, the present invention program code by 2.4G wireless network transmissions upgrade file, i.e. firmware image, utilizes ROM and IAP to program, it is achieved the long distance wireless online upgrading of the built-in system software of terminal.IAP allows when application program is properly functioning, one section of program other in ROM (i.e. new reflection) is carried out read/write operation, even can controlling the read/write operation to certain section, certain page, the upgrading automatically for data storage and firmware brings great motility.
Server provided by the invention includes CPU (CPU), various support circuit, memorizer, 2.4G communication module, various input/output (IO) circuit, system firmware and interconnection circuit.Interconnection circuit can provide bus, bridge etc. to promote the communication among the parts of server.CPU can include any kind of microprocessor known in the art.Support circuit and can include high-speed cache, power supply, clock circuit, data register etc..Memorizer can include any combination of random access storage device, read only memory, cache memory, magnetic read/write memorizer etc. or such memory devices.2.4G communication module includes circuit to communicate with client.
Fig. 2 is the composition frame chart of client provided by the invention, as in figure 2 it is shown, client provided by the invention at least includes processing unit, system firmware, 2.4G communication module and interconnection circuit.Interconnection circuit can provide bus, bridge etc. to promote the communication among the parts of client.Processing unit can include any kind of microprocessor, microcontroller, pico computer etc..Processing unit provides at the system management environment of client and includes random access nonvolatile memory, 2.4G communication module interface.In this example, processing unit is coupled to firmware.Firmware can include the nonvolatile memory that storage provides the code of operating environment (OE) by processing unit when being performed.OE can perform various system management function, such as monitors human body life parameters, monitor operating system (OS) state etc..As described herein like that, OE can be used for setting up and is connected with the network in remote service oral cavity to store and to fetch system firmware reflection.And, OE may be used for updating system firmware.The code of operating environment (OE) is referred to as the reflection of system firmware.The code of operating environment (OE) can also include code that be referred to as " guidance code ", that be first carried out by CPU when guiding or reset, and can include code that be referred to as " sudden strain of a muscle " code, that be used for updating the reflection of system firmware.Nonvolatile memory can refer to any kind of nonvolatile memory.Example includes read only memory (ROM), electric erasable and programming ROM (EEPROM), flash memory, ferroelectric random-access memory (F-RAM) etc. and the combination of such equipment.
Fig. 3 is the flow chart of firmware upgrade provided by the invention, as it is shown on figure 3, the present invention provides the guide medical system embedded firmware upgrading method based on 2.4G network to include:
S01: carry out system initialization；
S02: system business major cycle；
S03: whether receive upgrade request, if it is, perform S04, otherwise, returns to S02；
S04: entering firmware upgrade procedure (IAP), in this step, first processing unit identifies the system firmware newly videoed to update client.In this example, processing unit can identify the reflection that will be updated.In one example, the OE performed on a processing unit, for calling the process for updating reflection, therefore provides the instruction that reflection will be updated.In another example, it is possible to called renewal process by the CPU performing guiding/sudden strain of a muscle code.In such an example, guide/dodge code can include informing imminent renewal process to the OE performed on a processing unit.Such as, guide/dodge code can call the application programming interface (API) of OE before starting renewal process.Then, the original image of processing unit mark system firmware.In this example, having identified and will update, the OE of processing unit can obtain and the identifier being associated of videoing from system firmware.This identifier is used for identifying the original image (such as version identifier) of system firmware.After again, the OE of processing unit is communicated with server foundation by 2.4G module, and is stored by original image in the memorizer of server.By this way, client can preserve the original image of system firmware before renewal to new reflection.Original image is remotely stored on the memorizer of server.
S05: solve locking part read-write；
S06: initiate transmission data and prepare；
S07: prepare to receive data；
S08: judge whether to receive ROMPaq, if it is, perform S09, otherwise returns to S07；
S09: carry out Y-MODE data parsing；
S10: judge that whether data are effective, if it is, perform S11, otherwise return S09；
S11 writes data into firmware；
S12, completes data write, switches into main business program；
S13: judge whether to enter main business program, if it is, perform S14, otherwise return to S12；
S14: enter main business program, interrupt vector position is set, carries out business major cycle.
Fig. 4 is the composition frame chart of 2.4G module provided by the invention；As shown in Figure 4,2.4G communication module provided by the invention includes transmitter unit, receiver unit, switch 16, local frequency generation units 11, frequency source 10 and antenna 1, wherein, transmitter unit includes encoder 16, manipulator 15, power amplifier 14 and band filter (BPF) 13, wherein, encoder 16 is for carrying out source and channel coding by digital signal to be sent, to form baseband signal to be sent；Manipulator 15 is for forming modulation signal on modulates baseband signals to be sent to carrier wave, and it is supplied to power amplifier 14, it is big and be filtered through band filter 13 that modulation signal is carried out merit power amplifier by power amplifier 14, and after send through switch 16 and antenna 1.Receiver unit includes band filter 2, small signal amplifier 3, band filter 4, frequency mixer 5, intermediate-frequency filter 6, intermediate frequency amplifier 7, multiplication cymoscope 8, low pass filter 9 and decoder 17, wherein, band filter 2 is filtered for the signal of telecommunication that reception antenna 1 is received, and takes out the signal of telecommunication of 2.4G；Small signal amplifier 3 is amplified for the signal that band filter 2 is provided, and is supplied to band filter 4 with further filtering；The first frequency signal f1 that frequency mixer 5 produces for the signal that band filter 4 is provided and this frequency generation units 11 is mixed, and takes out intermediate-freuqncy signal through intermediate-frequency filter 6；Intermediate frequency amplifier 7 carries out intermediate frequency amplification for the signal that intermediate-frequency filter 6 is provided, and is supplied to multiplication cymoscope 8；Multiplication cymoscope 8 makes the second frequency signal f2 that local frequency generation units 11 the produces signal provided with intermediate frequency amplifier 7 be multiplied, and low-pass filtered device 9 takes out baseband signal, and baseband signal takes out, through decoder 17 decoding, the digital signal sent of making a start.
Local frequency generation units 11 is used for producing first frequency signal f1, second frequency signal f2 and the three frequency signal f3, it includes having doubler 111 that overtones band is H, overtones band is the doubler 119 of E, multiplier 113, multiplier 114, multiplier 116, multiplier 117, orthogonal signalling maker 120, orthogonal signalling maker 121, the frequency divider 112 having frequency dividing ratio to be R, have frequency divider 115 that frequency dividing ratio is P and have the frequency divider 118 that frequency dividing ratio is S, and wherein frequency divider 115 is for the frequency to the signal that frequency source 10 producesCarry out P frequency dividing and obtain signal；Orthogonal signalling maker 120 is according to signalProduceWith, orthogonal signalling maker 122 is according to signalProduceWith；Multiplier 113 makesWithIt is multiplied；Multiplier 114 makesWithIt is multiplied, and is added through adder 125, be then supplied to doubler 111, thus obtaining first frequency signal f1.
Frequency divider 118 is in the frequency to the signal that frequency source 10 producesCarry out P frequency dividing and obtain signal；Orthogonal signalling maker 121 number of it is believed thatProduceWith, orthogonal signalling maker 123 number of it is believed thatProduceWith；Multiplier 116 makesWithIt is multiplied；Multiplier 117 makesWithIt is multiplied, and is added through adder 126, be then supplied to doubler 119, thus obtaining the 3rd frequency signal f3.
Frequency divider 119 is in the frequency to the signal that frequency source 10 producesCarry out R frequency dividing and obtain second frequency signal f2.
Fig. 5 is the composition frame chart of frequency source provided by the invention, as shown in the figure, frequency source provided by the invention includes: crystal oscillator 101, respectively than for the frequency divider 102 of K, phase discriminator 103, low pass filter 104, voltage controlled oscillator VCO and the ratio frequency divider 106 for N respectively, wherein, crystal oscillator 101 is for producing the signal of fixed frequency and being supplied to frequency divider 102, and crystal oscillator 101 is divided and be supplied to phase discriminator 103 by frequency divider 102；The voltage that VCO provides according to reference Vf and low pass filter produces VCO signal, and divided device 106 divides the phase discriminator 103 then provided, phase discriminator compares the phase place of the signal that frequency divider 103 and frequency divider 106 provide and low-pass filtered device LPF filters high frequency thus producing voltage signal, and this voltage signal superposes to control further the frequency signal of VCO generation with Vf.
Fig. 6 is the circuit diagram of the band filter in receiver provided by the invention, as shown in Figure 6, band filter provided by the invention includes inductance L, electric capacity C, varactor D1 and resistance R1, wherein, electric capacity C and varactor D1 is in series composition series arm, and series arm and inductance L are in parallel, and being composed so can by voltage-controlled band filter, first end of resistance R1 is connected on electric capacity C and the varactor D1 intermediate node being in series, and second end of resistance R1 connects control voltage.
Fig. 7 is the circuit diagram of AGC control circuit provided by the invention.As shown in Figure 7, AGC provided by the invention controls voltage and includes proportional amplifier, it includes operational amplifier IC, resistance R5, resistance R6, resistance R7, resistance R8 and Zener diode D3, wherein, first end of resistance R7 is connected to the inverting input of operational amplifier, and the second end is connected to the outfan of cymoscope to provide AGC voltage VAGC；Resistance R5 is connected between the outfan of operational amplifier and inverting input；Resistance R6 and resistance R8 is in series and is connected between power supply ECC and ground, and the intermediate node that resistance R6 and resistance R8 is in series is connected to the same item input of operational amplifier, to provide reference voltage to operational amplifier,.The negative pole of Zener diode D3 is connected to power supply, and positive pole provides voltage to the power end of operational amplifier.
AGC control circuit also includes PNP transistor T1, and it launches the positive pole being connected to Zener diode, and colelctor electrode is connected to the outfan of operational amplifier through resistance R4, and colelctor electrode is connected to the base stage of transistor T2 through resistance R3.AGC control circuit also includes NPN transistor T2, its grounded emitter, and colelctor electrode is connected to reference voltage Vf through resistance R9, diode D2 successively, is simultaneously coupled to second end of the resistance R1 of wave filter.
In the foregoing description, many details are described to provide the understanding of the present invention.But, it will be understood by those skilled in the art that and can realize the present invention when there is no these details.Although the embodiment about limited quantity discloses the present invention, skilled person will understand that the many amendments from it and modification.Appended claims is intended to cover as fall into the such amendment within the true spirit of the present invention and scope and modification.
Claims (8)
1. the embedded firmware upgrade system of guide medical system, it includes the server by connecting and multiple client in 2.4G network, it is characterised in that server and each client all include 2.4G communication module.
2. the embedded firmware upgrade system of guide medical system according to claim 1, it is characterized in that, 2.4G communication module at least includes local frequency generation module and fixed frequency generator, and local frequency generation module produces the signal of multiple different frequencies according to the fixed frequency signal that fixed frequency generator provides.
3. the embedded firmware upgrade system of guide medical system according to claim 2, it is characterized in that, local frequency generation module at least includes the first frequency divider, the second frequency divider, the first orthogonal signal generator, the second orthogonal signal generator, the first multiplier, the second multiplier, first adder and second adder, wherein, the first frequency divider divides, for the signal that fixed frequency generator is provided, the signal obtaining first frequency；First orthogonal signal generator obtains mutually orthogonal secondary signal and the 3rd signal for the signal of first frequency is carried out orthogonal transformation；Second frequency divider divides, for the signal that fixed frequency generator is provided, the signal obtaining the 4th frequency；Second orthogonal signal generator obtains the 5th mutually orthogonal signal and the 6th signal for the signal of first frequency is carried out orthogonal transformation；First multiplier is for being multiplied with the 5th signal to secondary signal, and is supplied to first adder；Second multiplier is for being multiplied to the 3rd signal and the 6th signal, and is supplied to first adder；The signal that first multiplier and the second multiplier are provided by first adder carries out additive operation.
4. the embedded firmware upgrade system of guide medical system according to claim 3, it is characterized in that, local frequency generation module at least includes tri-frequency divider, the 3rd orthogonal signal generator, the 4th orthogonal signal generator, the 3rd multiplier, the 4th multiplier, the 3rd adder and the 4th adder, wherein, tri-frequency divider divides, for the signal that fixed frequency generator is provided, the signal obtaining the 3rd frequency；3rd orthogonal signal generator obtains the 7th mutually orthogonal signal and the 8th signal for the signal of the 3rd frequency is carried out orthogonal transformation；4th orthogonal signal generator obtains the 9th mutually orthogonal signal and the tenth signal for the signal of fixed frequency is carried out orthogonal transformation；3rd multiplier is for being multiplied to the 7th signal and the 9th signal, and is supplied to second adder；4th multiplier is for being multiplied to the 8th signal and the tenth signal, and is supplied to second adder；The signal that 3rd multiplier and the 4th multiplier are provided by second adder carries out additive operation.
5. the embedded firmware upgrade system of guide medical system according to claim 4, it is characterised in that local frequency generation module at least includes four-divider, and it is for dividing fixed frequency.
6. the embedded firmware upgrade system of guide medical system according to claim 5, it is characterised in that local frequency generation module at least includes the first doubler, and it carries out frequency multiplication for the signal that first adder is provided.
7. the embedded firmware upgrade system of guide medical system according to claim 6, it is characterised in that local frequency generation module at least includes the second doubler, and it carries out frequency multiplication for the signal that second adder is provided.
8. the embedded firmware upgrade system of guide medical system according to any one of claim 1-7, it is characterised in that at least include agc circuit.
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| CN201610123037.2A CN105721218A (en) | 2016-03-04 | 2016-03-04 | Medical guiding system embedded firmware upgrade system |
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| CN201610123037.2A CN105721218A (en) | 2016-03-04 | 2016-03-04 | Medical guiding system embedded firmware upgrade system |
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Application publication date: 20160629 |