65results about How to "Simple implementation logic" patented technology

A method and apparatus for performing self-test to synchronized dynamic random access memory, wherein the method comprises, starting self-test to synchronized dynamic random access memory SDRAM, switching the system to self-test mode, the CPU writing data to the first pair port RAM of the self-test module, the arbitration module reading data from the first pair port RAM and writing into SDRAM, the arbitration module reading back data from SDRAM and writing into the second pair port RAM of the self-test module, the CPU comparing the write-in and read-out data for determining whether SDRAM is operating normally. The invention increases the system reliability and maintainability.

The embodiment of the invention provides an address coding method, device and system, applied to a system comprising a battery management unit and at least two battery monitoring units. The battery management unit pre-stores addresses of the battery monitoring units on various nodes according to the sequence of nodes on an address wire. In the embodiment of the invention, according to the sequence of the nodes on the address wire, various battery monitoring units respectively send address requests to the battery management unit, such that the battery management unit generates address information according to pre-stored addresses and the address requests; and thus, the battery monitoring units sending the address requests receive the address information sent by the battery management unit, and complete coding operation according to the address information. According to the technical scheme provided in the embodiment of the invention, the battery management unit can dynamically code the addresses of various battery monitoring units; and thus, all kinds of problems due to the battery monitoring units adopting hardware curing addresses in the prior art can be solved.

The invention discloses a unified authentication service system and a method for unified authentication. The system comprises at least one application system, an authentication proxy service module, a unified authentication service module, an emergent service module. The at least one application system is used for generating an authentication request according to user identification and identity authentication information of a user as well as transmitting the authentication request to the authentication proxy service module. The authentication proxy service module is used for determining whether the unified authentication service module works normally or not; if so, the authentication request is transmitted to the unified authentication service module; if not, the authentication request is transmitted to the emergent service module. The unified authentication service module is used for carrying out verification on the user identity according to the user identification and identity authentication information in the authentication request as well as determining whether the user is allowed to use the application system according to the result by the identity verification. And the emergent service module is used for determining whether the user identification in the authentication request is consistent with identification of a valid user as well as determining whether the user is allowed to user the application system according to the determination result. According to the invention, when there is a fault during the implementation of a unified authentication service, it can be realized that a user can use a service of an application system normally.

The invention discloses a distributed job coordination control method, a device, a computer device and a storage medium, wherein the method may comprise: the first job_coordinator process in the container in which the parameter server process resides starts, spin synchronization is performed until all the parameter server Pods in the job are running state, a unique number is assigned to the parameter server process in the container, the parameter server process starts in the container, and the job is controlled to return to the state; the second job_coordinator process, located in the container in which the training process resides, starts, spin synchronization is performed until all the training process Pods in the job are running, unique numbers are assigned to the training process in the container, the training process in the container is started, links between the training process and all the parameter server processes in the job are established, and the job return status is controlled. The scheme of the invention can improve the resource utilization rate and simplify the realization logic, and the like.

The invention relates to a digital video image fusion and superposition method, and belongs to the field of digital video images. According to the method, two paths of video images are fused accordingto a relation between an upper layer and a lower layer, a background layer video image covers a superposition layer video image, a DDR memory is used as a video frame cache, a read-write clock domainis separated, and a superposition layer video image clock domain control signal is written into the frame cache; a background layer video image clock domain control signal is used to cache and read out a video frame, a four-frame caching strategy is used to read and write a superimposed layer video image, and a virtual frame caching space strategy is used to indirectly achieve the fusion and superposition control of the superimposed layer video image and a background layer video image. The background layer video image in the output fused video image can be windowed at different positions to display the content of the superimposed layer video image. The fusion superposition method is low in power consumption, simple in logic implementation, high in precision, low in delay, flexible in configuration, autonomous and controllable, and fused video frame jitter is eliminated.

The embodiment of the invention provides a method and a device for increasing virtual processor identifiers (VPIDs). By taking a plurality of high-order bit orders of a virtual address bit in a virtual address space segment as VPIDs, the VPIDs are added into a TLB (Translation Lookaside Buffer) table entry under the condition of not increasing the length of the TLB table entry, thereby avoiding repeated index addresses in different TLB table entries. Compared with the prior art, the method for increasing VPIDs has the advantages that the length of the TLB table entry does not need to be increased, logic implementation is simple, little modifications are made to a processor, and the design complexity of a TLB is lowered.

The invention discloses a PCIE (Peripheral Component Interconnect Express) exchange chip port configuration system and method. The comprises an exchange chip kernel, a plurality of ports and an EEPROM (Electrically Erasable Programmable Read-Only Memory) controller interface; the exchange chip kernel further comprises a crossbar switch and a configuration module; the crossbar switch is used for forwarding a transaction layer packet passing through the PCIE exchange chip; the configuration module is used for configuring the port, configuring the port as an upstream port or a downstream port, and controlling the opportunity of establishing a link for each port link; the upstream port receives configuration from an upstream link and configuration of the configuration module, and performs read or write operation on a port configuration register unit in the upstream port; and the downstream port receives the configuration information from the configuration module and performs reading or writing operation on the port configuration register unit in the downstream port. According to the system and method, the port configuration can be quickly completed, and the time limit requirement of aPCIE protocol on PCIE chip initialization is met.

The present invention relates to enterprise informatization, Internetworking workflow-related systems, platforms, service, particularly discloses a stateless workflow implementation method, includingdefining node, defining business instance, globally making the state values corresponding to start state and end state of node in the same workflow to be unique, directly calling node with consistentcurrent start state of business instance to execute when executing business instance, and saving intermediate and result data of business instance execution to cache or database. The invention simplifies the development of a workflow system, the cost and time of deployment, use, operation and maintenance, and the process node of the workflow define the trigger state and completion state, and the state value is globally unique, which makes the change and adjustment of the workflow extremely convenient and quick, and has strong adaptability for various workflows, simple logic, high efficiency, and strong structural stability of the system.

The invention belongs to the technical field of computer communication, and particularly relates to a monitoring scheme switching method based on an FC switch. According to the monitoring scheme switching method based on the FC switch, a series of registers, especially a register used for detecting the integrity of a current data frame during switching and a register used for controlling data gating are set, switching is only carried out when the data frame is integral, and then a monitoring port of the switch can capture the integral data frame. The monitoring scheme switching method based on the FC switch has the advantages that control can be achieved easily, and hardware logic can be realized easily; the integrity of the monitoring data frame can be guaranteed during monitoring scheme switching; a normal monitoring function is not affected when monitoring scheme switching is not carried out.

The embodiment of the invention discloses a method for realizing P2P communication in a blockchain, a blockchain application system and related equipment, which are used for realizing decoupling of aP2P communication function in the blockchain and improving P2P communication efficiency. According to the embodiment of the invention, A blockchain application program of a same blockchain node is divided into a P2P module, a node module, an intelligent contract module, a consensus module and a storage module. The public P2P module is used for maintaining the IP interface of the blockchain node and the state information of each blockchain node in a unified manner, so that the P2P function implementation process is decoupled from the node module, the intelligent contract module, the consensusmodule and the storage module in program implementation, the implementation logic is simple, and the subsequent iterative development cost is reduced. Secondly, the P2P module is packaged into a container mirror image by adopting an application container engine, and the container mirror image is operated to generate at least one P2P container corresponding to the P2P module, so that the same blockchain node can operate a plurality of P2P containers at the same time, and the P2P communication efficiency is greatly improved.

The invention discloses a multichannel-scanning-time-delay calculating method and device. The method includes the following steps: using any point on an array-element surface as a reference point and calculating position parameters of each array element center point and scanning line start point in channels, relative to the reference point; calculating a distance dn of each array element center point to a focal point on each scanning line; and calculating a quantized delay time tn from the focal point F on each scanning line to each channel. The multichannel-scanning-time-delay calculating method and device improve the focusing precision so that the quality of fundamental-wave images can be improved and artifacts under harmonic waves can be eliminated and real-time operation quantity in time-delay calculation is reduced and thus resources can be saved.

The invention provides a data transmission method and system, and a chip. The data transmission method comprises the following steps: receiving an on-chip bus write access request; wherein the on-chip bus write access request comprises valid data; obtaining configuration information of a packaging head; packaging the effective data into a first Ethernet packet according to the configuration information of the packaging head, and sending the first Ethernet packet; wherein the first Ethernet packet comprises a packaging head and valid data.

The invention discloses a diagnostic data transmission method and device based on a diagnostic server, a diagnostic data transmission method and device based on diagnostic equipment, the diagnostic server, the diagnostic equipment and a diagnostic data transmission system. A data request task received by diagnosis equipment comprises at least two groups of data requests; correspondingly, the diagnosis server does not need to periodically send a data request to the diagnosis equipment; a plurality of groups of data requests are issued to the diagnosis equipment at one time; the diagnosis equipment acquires diagnosis data from a vehicle electronic control unit ECU according to the data request task and reports the diagnosis data to a diagnosis server; occupation of data transmission resources by a diagnosis data transmission mechanism of question-and-answer between the diagnosis equipment and the diagnosis server is avoided; therefore, a large amount of data transmission processes of issuing individual tasks to the diagnosis equipment by the diagnosis server are reduced, the problems of insufficient Bluetooth data transmission capability and the like are effectively solved, and logicimplementation of the diagnosis server is simplified.

The invention relates to data processing, and discloses a message synchronization method, and the method comprises the following steps: storing each session message into a message sequence corresponding to each session; establishing a corresponding session set for each user, wherein the session set comprises a to-be-synchronized message queue and a push record table, the push record table comprises a first code of the last message in the message sequence, a second code of the last message in the to-be-synchronized message queue and a third code of the pushed last message; storing the newly added message into each to-be-synchronized message queue every first time to obtain a new first code and a new second code; and pushing the message between the third code and the new second code in eachto-be-synchronized message queue corresponding to the specified client to the specified client when judging that the message needs to be pushed. The invention further provides a message synchronization device, electronic equipment and a readable storage medium. According to the invention, the message synchronization efficiency is improved.

The invention belongs to the technical field of automatic control, and discloses a reverse scanning stability compensation method adopting a staring type detector photoelectric search system under a movable base. An optical axis is stabilized in a pitching direction in a main shaft and sub-shaft composite shaft form. An azimuth main shaft keeps uniform motion in an inertial space, and in a reversescanning compensation stage, an integral value of an azimuth main shaft gyro stabilization loop error is used as an input control instruction of an azimuth sub-shaft position closed loop after passing through a certain gain. In the reset stage, the sub-shaft and the main shaft are aligned in position. According to the invention, the influence of a small finite rotation angle of a sub-axis in thecomposite axis system on the high-precision stable compensation control of the photoelectric equipment is reduced by aligning the sub-axis with the main axis in a reset stage. Through integral response of a sub-shaft to main shaft gyro data in a reverse scanning compensation stage, high-precision isolation of disturbance in a high-speed motion state of a main shaft and a high-speed reverse scanning state of the sub-shaft of the photoelectric search system is realized, the staring precision of the photoelectric search system in the reverse scanning compensation stage is improved, and stable search of a target is realized.

The invention discloses an intelligent phase-change switch phase-change system comprising a first switch, a second switch, and a third switch; a fixed contact of the first switch is connected with anA phase and a sixth switch; another fixed contact of the first switch is connected with B phase and a seventh switch; a movable contact of the first switch is connected with one fixed contact of the second switch; another fixed contact of the second switch is connected with C phase and a 9th switch; the other end of the sixth switch is connected with a 9th switch; the other end of the 7th switch is connected with a 10th switch. The intelligent phase-change switch phase-change system is simple in logic, can realize zero-voltage turn off and zero-current conduction, is short in load power off time, low in implement cost, and can effectively solve the distribution network three-phase load rebalance control problem.

The invention relates to an interface drawing method and device, computer equipment and a storage medium, and the method comprises the steps that a CumSurfaceView subclass is instantiated, a CumSurfaceView object is obtained, the CumSurfaceView subclass inherits from a SurfaceView class, and the CumSurfaceView subclass and the SurfaceView subclass are subjected to a CumSurfaceView subclass to obtain a CumSurfaceView object; creating a thread pool through a thread pool manager; the method comprises the following steps of: creating and submitting a drawing task according to a CumSurfaceView object; creating a drawing thread in the thread pool through the thread pool manager; scheduling a drawing thread through a thread pool manager to execute a drawing task to obtain a drawing result; and submitting and displaying a drawing result. By adopting the method, the problems of serious lagging and even frame loss of a high-frequency refresh interface in the prior art can be effectively solved, so that the drawing of a complex interface is relatively flow, and a drawing task is efficiently realized.

The embodiment of the invention discloses an initialization loading method and device for database synchronization, equipment and a storage medium. The method comprises the steps of acquiring a current activity SCN of a log in a source end database, and sending a synchronization pause request to source end data synchronization service to control the source end data synchronization service to pauselog analysis operation at the current activity SCN; packaging to-be-loaded table data in the source end database into a target data format corresponding to the source end data synchronization service, and inserting the packaged to-be-loaded table data into a synchronization file corresponding to the source end data synchronization service; and sending a synchronization recovery request to the source end data synchronization service, so that the source end data synchronization service sends the synchronization file to the target end database. The to-be-loaded table data is inserted into the synchronization file with data being synchronized, so that the to-be-loaded table data in the source-end database is synchronized to the target-end database by utilizing a synchronization mechanism of incremental data in the database.

The invention discloses a remote interface agent calling method and device, computer equipment and a storage medium. The method comprises the steps of responding to a remote interface calling event; storing the parameter information of the remote interface and the execution state of the remote interface in a task database, and initializing the execution state into a to-be-executed state; calling and executing the remote interface according to the parameter information agent, if the remote interface is successfully executed, modifying the execution state of the remote interface into an executed state, and returning and outputting an execution result of the remote interface; and responding to a timed task trigger event to obtain parameter information of the remote interfaces in a to-be-executed state in the task database, and re-executing the step of executing the remote interfaces according to the parameter information agent calling for the remote interfaces. According to the method and the device, queued task scheduling is performed on the remote interface calling event, the remote interface calling is buffered and balanced, and the data communication efficiency of cross-server super remote interface calling in a distributed service cluster can be improved.

The invention discloses an embedded memory management method and device based on a global byte array. The device comprises a memory pool and a memory manager, wherein the memory pool is created by defining a global byte array in an embedded system, and the memory pool is divided into a plurality of memory blocks with fixed sizes; wherein the memory manager comprises a memory pool use state and a one-way linked list, the memory pool use state is used for indicating the use condition of memory blocks, and the one-way linked list is used for hooking idle memory blocks in the memory pool; and the memory manager is used for providing dynamic memory management for the outside. According to the method, efficient and reliable memory management is realized on the basis of the global byte array, and the use of a complex data structure in embedded software design is supported.

The invention discloses a mask-based hybrid floating-point multiplication low-power-consumption control method . The method comprises the following steps: hardware automatically determines a hybrid floating point multiplication operation type, fills high bits of mantissa of a standard floating point multiplier and a multiplicand with all zero, and enables the floating point multiplier and the multiplicand to be the same as the input bit width of a multiplex fixed-point hardware multiplier; and for floating point multiplication operation, a partial product is obtained from the filled floating point multiplier and multiplicand according to a preset multiplication encoding rule and a symbol extension rule, an invalid mantissa is moved to a high order, and the invalid mantissa is controlled not to participate in partial product compression summation operation by adopting a mask so as to save logic power consumption. The invention further discloses a hybrid floating point multiplication low-power-consumption control device based on the mask. The method supports multiplexing of fixed-point multiplication hardware to realize low-power-consumption control of floating-point multiplication,automatic detection of floating-point multiplication operation by the hardware and control of high-order expansion bit coding based on masks, and has the advantages of low hardware overhead, easinessin logic implementation, simplicity in power consumption control and the like.