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135results about How to "Implement initialization" patented technology

Quick starting optimizing method based on X86 platform Vxworks operation system

The invention discloses a quick starting optimizing method based on an X86 platform Vxworks operation system. The method comprises the following steps of (1) BIOS execution and (2) Vxworks loading and starting. According to the step of BIOS execution, after a computer is powered on and started, POST, initialization setting, execution of resident programs are carried out in sequence, a bootstrap program is started by calling an INT19 file in the system, a Vxworks file in the system is read directly and is analyzed after the bootstrap program is started, then an computer operation mode is switched to a protection mode from a real mode, and data and codes after analysis of the file are uploaded to assigned memory addresses respectively. According to the steps of Vxworks loading and starting, after uploading of the data and uploading of the codes are finished, the data and the codes skip to the position of a memory address e_entry corresponding to an ELF format file header to begin to be executed, the operation system is uploaded and started directly, and application programs are executed. According to the quick starting optimizing method based on the X86 platform Vxworks operation system, the method of uploading the system through bootrom in the prior art is changed, and the starting time is shortened to 3 seconds from original 20 seconds to 30 seconds.
Owner:XIAN RITRONTEK ELECTRONICS TECH

Air-ground data link control and management method

The invention relates to an air-ground data link control management method which comprises the course of the link initialization of an airplane and a ground system, the establishment of the initialization link of the airplane and a ground station, an automatic tuning method of a ground base system and the multi-state link switching course, wherein the course of the link initialization of the airplane and the ground system comprises the following steps: the airplane searches in a public signal frequency band and the frequency band with service priorities, and the ground station also sends a ground broadcast frame in the present service frequency band and the public signal frequency band; the multi-state link switching course comprises the following steps: according to differences of switching control weights of the airplane and the ground station, if the ground system is required to be switched, and an airplane terminal has switching and initialization functions, the switching course of ground base requirements and airplane initialization is carried out, and if the airplane terminal is required to be switched and the ground station has switching and initialization functions, the switching course of air plane requirements and ground initialization is carried out. The flexible and automatic control and the link management with no gap switching of the airplane and the ground station can be guaranteed.
Owner:BEIHANG UNIV

Hardware real-time operation system

The invention belongs to the technical field of computer equipment and relates to a hardware real-time operation system. A timing manager is used for realizing time delay and periodic execution of a task through a hardware timer; a task manager is used for realizing operation management of a task control block queue; an event manager is used for realizing operation and management of a semaphore control block, a mutually exclusive semaphore control block, a semaphore set control block, a message mailbox control block and an event control block of a message queue control block; and a bus interface manager is used for realizing data transmission and control between a processor and the real-time operation system. The hardware real-time operation system has a reliable design principle, an advanced design concept and a scientific contract technical means, adopts a cross embedded technology and an integrated circuit technology to achieve a hardware real-time operation system IC (integrated circuit), effectively improves real-time performance, reliability and stability of the real-time operation system, and has wide development and application values.
Owner:QINGDAO UNIV

Initialization method and system of monocular SLAM algorithm

The invention provides an initialization method and system of a monocular SLAM algorithm. The method comprises the following steps of selecting pixel points in the image overlapping area from the acquired image; converting the selected pixel points into pixel points corresponding to the binocular SLAM algorithm; and calculating the three-dimensional coordinates of the converted pixel points in theimage overlapping area based on a binocular SLAM algorithm, converting the three-dimensional coordinates of the pixel points into coordinate information of a camera coordinate system, and initializing the monocular SLAM algorithm according to the coordinate information of the camera coordinate system. Therefore, according to the embodiment of the invention, the monocular SLAM algorithm can be assisted to realize initialization according to the binocular SLAM algorithm, so that the monocular system corresponding to the monocular SLAM algorithm can realize initialization faster and better, andthe stability and the calculation precision of the monocular SLAM algorithm are improved.
Owner:ECARX (HUBEI) TECHCO LTD

Secure communication method and system based on software password module

The invention provides a secure communication method and system based on a software password module. The method comprises the following steps: entity authentication: collecting equipment information,personnel information and entity authentication information through an application client, sending the equipment information, the personnel information and the entity authentication information to anair certificate issuing server for entity authentication, and inputting the equipment information and the personnel information through a collaborative signature server; certificate issuing: the application client generates private key components through the software password module, the collaborative signature server generates a public key of the application client through collaborative operationby means of the hardware password module, and the application client performs information interaction with the air certificate issuing server through the software password module to obtain a digitalcertificate of the application client; key negotiation: the application client performs cooperative signature and key request information interaction with a cooperative signature server and a gatewaythrough a software password module to obtain a session key; encryption communication: the application client and the application server perform secure transmission of communication information therebetween by using the session key.
Owner:ZHENGZHOU XINDA JIEAN INFORMATION TECH

Operation method and system for virtual trusted root instance in trusted cloud platform

The invention provides an operation method for a virtual trusted root instance in a trusted cloud platform. The method is applied to the trusted cloud platform. The trusted cloud platform receives a virtual machine establishment request sent by a user and establishes a trusted virtual machine according to a trusted resource pool and a virtual machine establishment mechanism; when a virtual machinestarting command is monitored, a virtual trusted root and a virtual trusted root data channel are generated, and the trusted virtual machine, the virtual trusted root and the virtual trusted root data channel are bound; when a virtual trusted root backup request is received, the virtual trusted root is backed up according to a preset backup mechanism; when a virtual machine migration request is received, the virtual machine and the virtual trusted root are migrated according to a preset migration mechanism; when a virtual machine destruction request is received, the trusted virtual machine, the virtual trusted root and the virtual trusted root data channel are destroyed according to a preset destruction mechanism; and when a trusted root recovery request is received, the virtual trusted root is recovered according to a preset recovery mechanism.
Owner:STATE GRID INFORMATION & TELECOMM GRP +5

Memory bar control system and control method thereof

The invention relates to a memory bar control system comprising a processor, a control chip and an expansion chip; the processor is respectively connected with a basic input and output system and the control chip; the control chip is connected with multiple memory bars and the expansion chip; and the expansion chip is connected with multi-group memory bars. The invention also provides a memory bar control method. The memory bar control system and the control method thereof of the invention can be used for connecting multiple memory bars and controlling multiple memory bars.
Owner:HONG FU JIN PRECISION IND (SHENZHEN) CO LTD +1

Self-adaptive monitoring method for gas dissolved in oil of traction transformer, and the device thereof

The invention discloses a self-adaptive detect method of the gas dissolved in the oil of a drawing transformer, and a relative device, wherein the invention uses a high-density gas sensor array to check the object gas to obtain a first check value, when the first check value is higher than a preset threshold value, using the first check value as the check result, or else, uses a low-density gas sensor array to check the object gas again, using the second check value as the check result. And the invention judges if the ratio between the average value and mean square difference of the check values of all sensors in the array is over a preset value to check the condition of the array. The invention has high measuring accuracy, better repeatability, long service life, and low check cost.
Owner:SOUTHWEST JIAOTONG UNIV

Method for initializing, registering and authenticating industry application mobile terminal, and communication system

The invention relates to the field of mobile communication and provides a method for initializing and registering an industry application mobile terminal. The method in the invention comprises the following steps of: receiving user input information and obtaining local solid information by the mobile terminal, wherein the user input information at least comprises a user service code distributed by an industry application system and a user defined password; submitting initialization / registration information comprising the user input information and the local solid information to a network server by the mobile terminal; comparing the user service code in the received initialization / registration information with a user service code preset in the network server by the network server so as to judge whether the initialization / registration information is effective or not; and if so, persisting the initialization / registration information and returning initialization / registration result information to the mobile terminal. The method provided in the invention can initialize the mobile terminal while registering the mobile terminal by the network server, and can be applied to the industry applications, such as food safety supervision in the circulation link and the like.
Owner:普天和平科技有限公司

Self-adaptive digital pre-distortion system based on reference signal and initialization correction method

The invention provides a self-adaptive digital pre-distortion system based on a reference signal and an initialization correction method. A series of pre-distortion initialization parameters are obtained through introducing a reference signal generator module to a numeric field and carrying out initialization training on the pre-distortion system based on the reference signal; and when the non-linear change of a power amplifier triggers a correction enabling signal, the pre-distortion system is corrected based on the reference signal to obtain a corresponding pre-distortion parameter. The blind spot problem of the traditional pre-distortion system is solved, the non-linear change of the power amplifier can be precisely tracked, all transmission signals are guaranteed to be subjected to pre-distortion processing, and the reference signal is higher in flexibility in format, in length and in frequency band.
Owner:SHANGHAI RES CENT FOR WIRELESS COMM +1

Extendable software design architecture

The invention provides an extendable software design architecture which comprises a system platform, a foundation service, an extension interface and a communication channel, wherein all functional assemblies operate on the system platform under the unified management of the foundation service, and access modules are mutually communicated through the communication channel, meanwhile, rapid addition and extension of the functional modules can be realized through the extension interface without re-operating software architecture, thus practicability and extendibility of software can be greatly improved.
Owner:ZTE QUANTUM

Multi-feature fusion pedestrian detection method based on HIKSVM classifier

The present invention relates to a multi-feature fusion pedestrian detection method based on an HIKSVM classifier. The method concretely comprises the following steps of: determining a behavior area in a pedestrian image sequence; extracting multi-item features in the behavior area, and forming fusion features; and employing a trained HIKSVM classifier based on the fusion features to perform pedestrian detection. The method provided by the invention improves a feature extraction method, after HOG features are extracted, a gradient field is changed to an optical flow field through analogy, andHOF features are extracted, shape information and motion information of an object are retained, so that computation complexity of describing a full-size moving object by employing the optical flow field is avoided and the robustness is high; an LBP algorithm is improved to extract texture features through adoption of an LQC algorithm, so that the computation complexity is reduced on the basis without losing texture information; and a histogram intersection kernel (HIK) and an intersection coordinate drop method are employed to perform classification training of the SVM classifier, so that thecomputation complexity is low and the detection precision is high.
Owner:CHINA UNIV OF MINING & TECH

Underwater robot multi-sensor fusion data processing method

The invention discloses an underwater robot multi-sensor fusion data processing method. Attitude, position, and velocity information of an underwater robot is estimated based on a plurality of sensors; sensor measurement data with significant errors can be better eliminated by fusing all sensor measurement data, so that the underwater robot is not easily affected by single sensor failures, and theunderwater robot multi-sensor fusion data processing method is more suitable for nonlinear systems such as the underwater robot; and the angular deviation and velocity deviation are added to a statevector when constructing the state vector, and the influence of the angular deviation and the velocity deviation on state update is considered to accurately estimate the attitude, position and speed information of the underwater robot. The condition that the process noise is obtained from filtering results and observation results is assumed, and the differential evolution algorithm is used for performing optimization selection on the obtained process noise variance to improve the filtering accuracy. The underwater robot multi-sensor fusion data processing method is applicable to underwater robot type nonlinear systems to accurately estimate the attitude, position and speed information of the underwater robot.
Owner:XI AN JIAOTONG UNIV

Deep neural network magnetic resonance signal denoising method based on discrete cosine transform

The invention belongs to the field of nuclear magnetic resonance data processing, and particularly relates to a deep neural network magnetic resonance signal denoising method based on discrete cosinetransform. The method includes the following steps of: firstly, adopting the discrete cosine transform to transform a noisy signal and a simulated signal as the input and ideal output of a deep neuralnetwork; and then, performing layer-wise greedy pre-training on the deep neural network by adopting an unsupervised learning mode to realize network weight initialization; finely adjusting global parameters by using an error back propagation method; and finally, inputting a test set to the trained deep neural network, performing inverse normalization on the network output, and then performing inverse discrete cosine transform to obtain the denoised nuclear magnetic resonance signal. According to the method, the nonlinear mapping from the noisy signal to a clean signal can be realized, and one-time elimination of all types of noise in the nuclear magnetic resonance signal can be realized; various complex and variable detection environments and noise interference can be adapted, the signal-to-noise ratio can be significantly improved, and the accuracy of the subsequent inversion and interpretation extraction parameters can be improved; and moreover, the introduction of discrete cosine transform and restricted Boltzmann machine pre-training greatly shortens the training time of the deep neural network, improves the training efficiency of the deep neural network, and makes a method for eliminating nuclear magnetic resonance noise in the deep neural network be practical.
Owner:JILIN UNIV

Key container and digital lock control system and control method thereof

The invention discloses a key container and digital lock control system and a control method thereof. The key container and digital lock control system comprises a digital lock, a key container and a third-party certification mechanism, wherein any two of the digital lock, the key container and the third-party certification mechanism perform mutual information interaction. The key container and digital lock control system simultaneously achieves the functions of digital lock initialization, digital lock IP address change, key container secret key modification, digital lock matching in the key container, digital lock matching in the key container, close range unlocking, remote unlocking, encryption algorithm update. The control method comprises the steps that an encryption algorithm is utilized to encrypt the communication between the digital lock and the key container so as to improve the anti-calculated attack performance of the system, meanwhile periodical encryption algorithm update is performed through secret key definition of a user, the safety of the system is further improved, the user can access the key container system by inputting a correct secret key, non-user operation can be prevented, and the safety is improved.
Owner:NANJING UNIV OF POSTS & TELECOMM

Calculation method for optimizing municipal drainage network plane layout design

The invention discloses a calculation method for optimizing a municipal drainage network plane layout design. The calculation method is characterized by mainly comprising three steps that firstly, a construction cost fitness function which has high matching degree with drainage network assessment is constructed; secondly, an initialized population is obtained from a tree structure genetic algorithm initializing scheme based on the divide-and-conquer method; thirdly, an expanded variable population is obtained by utilizing a line-adding and circle-breaking method. The calculation method for optimizing the municipal drainage network plane layout design has the advantages that the matching degree between the constructed construction cost fitness function and the drainage network assessment is high, so a drainage network can be well planned; the tree structure genetic algorithm initializing scheme based on the divide-and-conquer method enables an initialized scheme of a tree structure to be completed rapidly, and large-scale initialization of the large-scale pipe network can be achieved; a variation algorithm of the drainage network is simpler by utilizing the line-adding and circle-breaking method, a novel pipe network planning map can be generated after each line is cut out in a circle with added lines, and variation diversity is guaranteed.
Owner:HEBEI INSTITUTE OF ARCHITECTURE AND CIVIL ENGINEERING

Pixel driving circuit, driving method of pixel driving circuit and display panel

InactiveCN113035133AAchieve writeImprove leakage current phenomenonStatic indicating devicesDriving currentHemt circuits
The invention discloses a pixel driving circuit, a driving method of the pixel driving circuit and a display panel. The pixel driving circuit comprises: a driving module used for providing driving current for a light-emitting module, wherein the light-emitting module is used for emitting light in response to the driving current; a data writing module which is used for providing data voltage for the driving module; a storage module which is used for maintaining the potential of the driving module; a compensation suppression module which is used for compensating the threshold voltage of the driving module and suppressing the leakage current of the driving module; and an initialization module which is used for initializing the driving module through the compensation suppression module. The compensation suppression module can reduce the leakage current of the control end of the driving module passing through the compensation suppression module, so that the leakage current phenomenon of the control end of the driving module can be improved. Meanwhile, a leakage current path can be prevented from being formed between the driving module and the initialization module, the leakage current phenomenon of the control end of the driving module is further reduced, the stability of the pixel driving circuit is improved, and therefore the display image quality of the display panel is improved.
Owner:KUNSHAN GO VISIONOX OPTO ELECTRONICS CO LTD

Moon landing satellite formation initialization method

The invention discloses a moon landing satellite formation initialization method and belongs to the aerospace technical field. The specific implementation process of the method of the invention includes the following steps that: satellite dynamics equations are respectively established under the inertial system of the earth and the inertial system of the moon; the formation initialization of a plurality of satellites is ensured through a plurality of times of multi-target orbit correction; mid-course correction is additionally adopted in earth-moon transfer, so that the orbital inclination angles of the satellites can be ensured, the heights of the perilunes of the satellites are identical, and time for the satellites to arrive at the perilunes is close to each other; maneuvering is applied at the perilunes, so that the heights of the apocynthions of the satellites can be identical; a reference satellite is determined, the other satellites are tracking satellites, and two times of perilune phase adjustment maneuvering is adopted to ensure that the phase angles of the tracking satellites are the same as the reference satellite; and optimal two-pulse or multi-pulse intersection is adopted to make the speeds and positions of the tracking satellites and reference satellite meet formation constraints, so that the formation initialization of the moon landing satellites can be realized. With the orbital formation initialization method adopted, after the plurality of satellites fly to the moon separately, the satellites can realize a moon formation. The method has the advantages ofhigh efficiency and low fuel consumption.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY

System on chip, and method and apparatus for port function initialization for system on chip

The invention discloses a method for port function initialization for a system on chip. The method comprises the steps that the system on chip is powered on; a nonvolatile storage space sends a zone bit to a start control program of the system on chip; the start control program judges whether the system on chip is powered on initially or not according to the zone bit; if the system on chip is not powered on initially, the nonvolatile storage space sends an interrupt flag to the start control program of the system on chip to enable the start control program to skip a program segment process of port initialization by software; and a configuration circuit reads the configuration information in the nonvolatile storage space to configure the port of the system on chip. According to the method, when the system on chip is powered on for more than one time, hardware rapid response is executed and the port function initialization is carried out, so that the efficiency of the system from powering on to the port function initialization is improved, and the instantaneity and the reliability of the system are reinforced. The invention also discloses an apparatus for port function initialization for the system on chip and the system on chip including the apparatus.
Owner:BYD SEMICON CO LTD

Broadcasting method of real-time accurate satellite positioning product

ActiveCN101909070AGuaranteed truncation error accuracyTruncation Error ExactSynchronising arrangementEphemerisServer-side
The invention belongs to the technical field of satellite navigation, in particular to a broadcasting method of a satellite real-time accurate positioning product. Satellite positioning information is separated into a large number and a small number according to the height above or below a hundred meter at a server end, and a client end recovers an identical accurate positioning product through the large number acquired from broadcast ephemeris and the small number transferred by the server. The invention can solve the problems of failure or reduced accuracy of a high-accuracy differential product, and the like caused by the inconsistence for upgrading the broadcasting ephemeris of the server and the client end and the inconsistence between a server and client end software algorithm module and a truncation error.
Owner:国家卫星定位系统工程技术研究中心

PH detection device and method

The invention belongs to the field of pH detection and particularly relates to a pH detection device and a method. The pH detection device comprises a probe, a detection bracket, a stirrer, a probe purifying mechanism, a probe driving mechanism and a control device, wherein the probe is used for detecting pH of a liquid in a reagent bottle; the detection bracket is used for fixing the probe; the stirrer is used for stirring the liquid in the reagent bottle; the probe purifying mechanism is used for cleaning and air-drying the probe after pH detection; the probe driving mechanism is used for driving the detection bracket to rotate and move vertically to enable the probe to move back and forth in the reagent bottle on the stirrer and in the probe purifying mechanism; the control device is connected with an output end of the probe and a controlled end of the probe driving mechanism. The pH detection device has the following advantages: the probe is purified by the probe purifying mechanism, preparation is made for next experiment, and mechanical technique support is provided for automatic pH detection on the basis of the prior art.
Owner:HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI

Electric vehicle cloud payment power supply pile reservation charging method

The invention discloses an electric vehicle cloud payment power supply pile reservation charging method includes the following steps: 1. a power supply pile is reserved; 2. the power supply pile position is determined; 3. a charger is connected with the power supply pile; 4. a user performs prepayment; 5. the power supply pile performs electric charge calculation; 6. a cloud server prejudges the charging cost; 7. the cloud server judges whether an electric vehicle is fully charged; and 8. charging completion reminding is provided. According to the electric vehicle cloud payment power supply pile reservation charging method, reservation charging positions and non-reservation charging positions are arranged on the power supply pile, thereby realizing reservation of charging positions, realizing preparation of charging in advance, and preventing the problem that charging cannot be performed due to too many people needing charging. Through three payment modes of card swiping, WeChat and alipay, the power consumption of the user can be accurately calculated and reasonably charged, an account settling unit is precise from ''yuan'' to ''fen'', and thus charging is charged more reasonably.
Owner:缪媛

Method of 1553B bus remote unit for self-adaptively receiving and transmitting data

ActiveCN104852812AImplement adaptive sending and receiving data methodAvoid restrictionsProgram loading/initiatingBus networksBroadcastingChannel types
The invention provides a method of a 1553B bus remote unit for self-adaptively receiving and transmitting data. he method includes the steps of: S1: dividing a communication channel type spectrum, and further defining the sizes of a data subaddress buffer area and a data transmitting subaddress buffer area in each type spectrum; and defining an information frame directing at each RT side; S2: starting data receiving and transmitting; S3: data of the information frames are configured to display the actual used lengths of the data receiving subaddress buffer areas and the data transmitting subaddress buffer areas of the RT sides; S4: broadcasting the information frames after being configured according to step S3; S5: the RT sides defining initial pointers of the buffer areas according to the broadcast information frames; S6: the RT sides performing data receiving and filling according to the initial pointers defined in the step S5; and S7: repeating the steps S3 to S6 till data receiving and transmitting tasks in a cycle are completed.
Owner:SHANGHAI SPACEFLIGHT ELECTRONICS & COMM EQUIP RES INST

Initialization method for terminal device and apparatus

An embodiment of the invention discloses an initialization method for a terminal device and an apparatus. The method comprises: setting connection parameter information on the terminal device, the connection parameter information being used to indicate a proxy gateway of a device management gateway which connects to a device management server as the terminal device; setting a corresponding management object of a device management account (DMAcc) to initialize the terminal device. The device management server comprises an obtaining module, a parameter setting module and an object setting module. The device management gateway comprises a parameter setting module and an object setting module. The initialization method realizes initialization of the terminal device which operates under a proxy mode at rear of the device management gateway.
Owner:HUAWEI DEVICE CO LTD

Methods and device of channel register initialization, DMA (Direct Memory Access) equipment and terminal

The invention discloses methods and device of channel register initialization, DMA (Direct Memory Access) equipment and terminal. A channel register in the DMA equipment is initialized through the methods of channel register initialization provided by the embodiment, and the DMA equipment no longer receives direct initialization information, but accepts data movement instructions after protectionprocessing. The initialization information is not directly exposed. The embodiment further provides the device of channel register initialization, the DMA equipment and the terminal. A de-protection processing rule corresponds to a protection processing rule, only de-protection processing of the data movement instructions obtained by processing of the protection processing rule can be successfullycarried out by an instruction processor to obtain the initialization information, thus two processes of protection processing and de-protection processing cooperate with each other, authentication onsources of the data movement instructions can be realized, monitoring on DMA data movement can be realized, legality of data movement requesters can be guaranteed, and security of a system can be improved.
Owner:NATIONZ TECH INC

Comprehensive avionics PHM system

The invention discloses a comprehensive avionics PHM system, and aims to provide a health management system which can reduce the fault positioning time of a task system and is high in transmission efficiency. The comprehensive avionics PHM system is realized through the following technical scheme: N signal processing modules and system control modules and a CAN bus serving as a health management data transmission medium form a star-shaped switching network by taking the system control modules as a health data management core and connecting the signal processing modules and the system control modules of a high-speed switching network; the system control module sets threshold number, temperature and voltage range values for various state values of the signal processing module through a CAN bus interface, and the signal processing module is connected with a CAN bus of the system control module through a CAN bus to achieve separation of health management data transmission and inter-moduleservice data communication. Once it is monitored that the state value exceeds a set threshold event, the state value is reported to a system control module through an interface collected by CAN bus health management software.
Owner:10TH RES INST OF CETC

Method and device for initializing electronic token equipment

The embodiment of the application discloses a method and device for initializing electronic token equipment. An electronic token is of a card type structure; a Bluetooth communication chip, a secure chip, a battery and an electromagnetic induction coil are embedded into the card; the electronic token equipment is conveyed to an initialization area through a production line after being produced; a wireless charging electromagnetic field is arranged in the initialization area. On an electronic token equipment side, the method comprises the following steps: receiving the wireless charging electromagnetic field; judging whether or not the electronic token equipment is initialized; if the electronic token equipment is not initialized, broadcasting a Bluetooth signal in order to establish wireless communication connection with a server; and generating an initialization seed, saving the initialization seed in a local memory, and transmitting a corresponding relation between the initialization seed and an electronic token equipment identifier to the server through the wireless communication connection. By adoption of the method and device provided by the invention, batch initialization of the electronic token equipment without any physical communication interface can be realized.
Owner:山东酷品智能科技有限公司

Non-volatile memory with partition write-protection and guard position scrambling processing functions and write-operation method thereof

ActiveCN106295414AImprove resistance to illegal tamperingImprove Malicious Attack CapabilitiesRead-only memoriesDigital storageWrite protectionRandom access memory
The invention belongs to the field of resistance type random access memory peripheral design and particularly relates to a non-volatile memory with partition write-protection and guard position scrambling processing functions and a write-operation method thereof. An overall circuit of the non-volatile memory comprises two resistive memory arrays with different functions and two peripheral write-protection circuits with corresponding functions. One resistive memory array is used for saving data related to secret keys, certification labels and other safety information, and the other resistive memory array is used for saving protected data needing to be confirmed during write-operation. By means of the memory and method, the data related to safety information can be independently saved to prevent modification or prevent the protected information from being unintentionally modified or maliciously tampered by the outside.
Owner:FUDAN UNIV

Raid card firmware layer initialization method based on domestic processor platform

InactiveCN110007976AMultiple data operationsImplement initializationBootstrappingRAIDSCSI
The invention discloses a Raid card firmware layer initialization method based on a domestic processor platform. The Raid card firmware layer initialization method comprises the steps of 1, judging whether a driver can run on an RAID card or not; 2, configuring RAID card related registers; 3, inquiring DMA resources needed by the RAID card, and carrying out resource allocation; 4, performing datainteraction with firmware of the RAID card, judging the state of the RAID card, and continuing command interaction when the RAID card is in a ready state; 5, carrying out basic information inquiry, inquring basic information of the RAID card comprising an RAID card controller model, firmware version information, hard disk information, RAID mode information and the like; step 6, according to the obtained RAID card information, establishing a basic command queue for the SCSI command layer to use; step 7, establishing an SCSI layer command interface; and step 8, establishing a UEFI command interface. According to the method provided by the invention, firmware layer driving of the RAID card can be carried out on X86 and non-X86 platforms of a domestic processor.
Owner:昆仑太科(北京)技术股份有限公司
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