66 results about "Sigaction" patented technology

The invention provides a multi-core heterogeneous system-oriented startup deployment and cooperative processing method, which comprises the following steps of: when the system runs, obtaining startup codes after a master core and a slave core are electrified, respectively obtaining mirror image files of Linux and RTOS (Real Time Operating System) on the basis of synchronous running and storage partition, and running the mirror image files on the master core and the slave core after moving the mirror image files; and after the heterogeneous operating system is loaded, generating an interrupt signal based on inter-core interrupt and a corresponding register through a CLINT module in the main core, and realizing data communication between the main core and each slave core based on the interrupt signal and the shared memory. By means of the method, after the system is powered on, the multiple cores can synchronously run the starting codes, and time delay and uncertainty possibly caused by one-by-one starting of the single cores are avoided; communication and data transmission among multiple cores are realized through interruption and memory sharing, the synchronism and consistency of data are ensured, and misjudgment and decision errors caused by data delay and inconsistency are avoided, so that the real-time performance of the system is remarkably improved.

The invention discloses an LLM-based controller CAN communication test method and system, and the method comprises the steps: converting a DBC file into a configuration file, reading a VSS and CAN signal corresponding relation file, and inputting the VSS and CAN signal corresponding relation file to an LLM; calling an LLM model, and generating a test case according to the cue word; constructing an automatic framework to implement an execution function based on a behavior-driven development BDD mode; and associating the generated test case with an execution function in the automation framework, constructing a complete test suite, and operating the test suite to execute a CAN bus communication test. VSS path and CAN Signal verification is carried out on the basis of the controller which already realizes the VSS technology, the test case conforming to the BDD natural language is generated by using the LLM, the test case is directly used as the test script, the step of manually compiling the test case is omitted, the test efficiency is improved, and the test cost is reduced.

Systems, methods, and instrumentalities are disclosed for signaling parameter sets for geometry-based point cloud streams. In example, a device may receive an international organization for standardization base media file format (ISOBMFF) file. The ISOBMFF file may include geometry-based point cloud compression (G-PCC) data that is carried using one or more tracks with sample group description information and sample to group box information. The sample group description information may indicate grouping type information and a plurality of sample group description entries indicating geometry-based volumetric or point cloud parameter set information. The sample to group box information may include one or more sample to group box entries, each with a plurality of entry parameters comprising: the grouping type information, a grouping type parameter, and a sample group description index.

The invention provides a method and a device for verifying and debugging a chip algorithm module. The consistency of a C language reference model and a simulation waveform can be automatically compared and tracked. The method comprises the following steps: constructing a verification environment and generating an fsdb waveform and a C language reference model executable file with debugging information; generating a GDB command and an fsdbreport command based on the configuration information, extracting a variable value and a signal value, and performing consistency comparison; if the comparison is consistent, ending, otherwise, entering signal tracking; in signal tracking, a PyNPI interface is called to forward track a driving signal and analyze a signal value matching condition in a clock period; and if the corresponding value is not matched, generating a new configuration file and circularly executing the debugging process. According to the technical scheme provided by the invention, the root of the problem can be automatically tracked and quickly positioned at the initial verification stage of the algorithm module, the dynamic addition of comparison nodes is supported, and the manual debugging cost is reduced.

The invention provides a relay protection device interface language switching method and system based on a hot loading mechanism, and the method comprises the steps: constructing a variable-length language storage structural body under a C language according to the variable-length text characteristics of multiple languages in a language text file, so as to generate an instantiated object, and further binding an interface element of a relay protection device; under the condition that an operation signal of switching languages of the user interface is detected, obtaining a user target language according to the interface element index so as to read a corresponding language text file; pointing a first-level pointer corresponding to the instantiated object to the read language text file, and pointing a second-level pointer corresponding to the instantiated object to the first-level pointer so as to bind the interface element and the target language text file; analyzing a second-level pointer corresponding to the instantiated object, and mapping the second-level pointer to a first-level pointer corresponding to the instantiated object to obtain target language text information pointed by the first-level pointer. According to the method, interface language switching can be completed without restarting equipment.

The invention discloses an efficient automatic testing method based on TCL and Python scripts, and relates to the technical field of testing, the method comprises the following steps: S1, setting an upper computer for controlling testing, and setting a data testing instrument, a signal source and a data acquisition board card which are respectively in signal connection with the upper computer for the upper computer; s2, the signal source is in signal connection with a data acquisition board card, and a signal output by the data acquisition board card is set as a target test signal; s3, calling a Python script by using a TCL script to control a data test instrument to start a signal test process; s4, calling a Python script to generate a final result file according to an analysis result of the test data; and S5, reading a data analysis result from the final result file. Automatic control is achieved through the preset TCL and Python scripts, starting, data collection and analysis of the whole testing process can be automatically completed, and the method has the advantages of reducing the manual error rate and improving the testing efficiency, precision and repeatability.

Disclosed herein are systems and method for dynamically updating classes in a running application. In one aspect, a method may include identifying an application running within a virtual machine (VM); generating, within the application, a patcher thread for processing patches; instantiating, within the application, a patcher class using a singleton pattern; installing a shutdown hook in the VM to signal the patcher thread to stop operation and release resources during termination of the application; generating a notification that a live patching facility is set up using a system property in the VM; detecting and executing, via the patcher thread, a task to replace an existing version of a class with an updated version of the class at runtime by scanning, using a polling technique, a tasks directory for new class files and finding the updated version of the class.

The present invention discloses an automated integration method for IO signals based on a FADEC operating system. The method comprises the following steps: using Eclipse CDT to parse all structure variables in the As_interface.h file and store them in a linked list A; extracting valid information from each element in the linked list and storing the information in a new linked list B; using a recursive algorithm to convert linked list B into n syntax trees based on pre-defined structure variable names A0 to An-1 for signal interaction between the AS and the OS, with the root nodes of the syntax trees being A0 to An-1, respectively; performing a depth-first search on the generated n syntax trees to automatically generate all signal names; and generating an IO signal integration record file based on a pre-defined IO signal integration template. The method automatically converts nested structures into syntax trees, saving manual time. The method also performs a depth-first search on the syntax trees to automatically generate all IO signals, resulting in a concise and accurate method.

The application provides a monitoring method, device and equipment for a ufs test case and a storage medium, which are applied to a ufs verification platform, the ufs verification platform is connected to a to-be-tested device installed with ufs, the method comprises the following steps: the ufs verification platform generates at least one target instruction based on the ufs test case, sends all the target instructions to the to-be-tested device in sequence, and the to-be-tested device performs target testing based on the target instruction; the ufs verification platform writes all the target instructions and related information into a record file, wherein the related information comprises a logical unit number, a logical block address and a block number of the target instruction; the ufs verification platform generates an end signal and sends the end signal to the to-be-tested device and the record file respectively, the to-be-tested device terminates the target testing, the ufs test case is terminated, and the record file terminates writing. According to the technical scheme of the embodiment of the application, all the target instructions and related information can be recorded, so that the troubleshooting speed and efficiency of the ufs test result are improved.

Embodiments of the present application disclose a file generation method and device, terminal equipment and a storage medium, wherein the method comprises: importing a DBC file / LDF file of a target model; reading the DBC file / LDF file according to a preset target protocol to determine a data frame contained in a corresponding CAN signal / LIN signal; editing a target data frame in the data frame to make the target data frame a medium for sending and / or receiving a target signal; and generating a JSON file corresponding to the target protocol and the target model according to an editing result. Through the above method, the connection between models can be realized without manually writing glue code, the coupling is low, the modularization is easy to realize, and various hardware can be compatible and adapted.

Disclosed herein are techniques for synchronization control of folders in a computing system. In one example, a method includes receiving data representing a signal that indicates a user has interacted with a file in a first folder or has directly interacted with the first folder and a failure to perform a synchronization operation between the first folder at a first server and a corresponding folder at a second server. The method can then include increasing a synchronization priority of the first folder relative to the second folder in accordance with the received signal and synchronizing the first folder at the first server with another corresponding folder at the second server and synchronizing a second folder at the first server with the corresponding folder at the second server in accordance with the increased relative synchronization priority of the first folder relative to the second folder.

The invention relates to the technical field of radio astronomy, and discloses monopulse candidate recognition based on deep learning, comprising the following steps: S1, using Sigproc to convert a Fits file in CRAFTS data into a file in a Filterbank format; s2, generating a group of Cand files by utilizing the Heimdall; s3, converting the signal information in the Cand file into a file in an H5 format by utilizing a Python packet Your; s4, performing feature fusion on two features of frequency-time and DM-time in the H5 file; and S5, inputting the fused features into a model combined with a CNN (Convolutional Neural Network) and a Transform for identification. According to the monopulse candidate body recognition based on deep learning, CRAFTS data are preprocessed through Sigproc, Heimdall and Your tools, an optimized C-C-T-T architecture model is used for recognition, experimental results show that the accuracy rate of 99.59%, the false positive rate of 0.42% and the recall rate of 99.6% are achieved through the method, and the method is remarkably superior to an existing method; according to the method, the accuracy and recall ability of monopulse candidate body identification are improved, and an efficient and accurate research tool is provided for radio astronomy.

The present application relates to the technical field of data pushing, in particular to a method for pushing and real-time previewing and updating of stream file operation based on SSE, which comprises the following steps: collecting a cursor associated sequence, performing comparison, extracting density characteristics, matching and determining a threshold interval, determining length, establishing a pushing load, merging a ratio quota, generating a cursor latching instruction, monitoring an instruction state, grabbing a character bottom layer code, comparing a preset escape sequence, obtaining a truncation identifier, extracting a pre-node end code, combining a full-zero state span value, performing numerical operation, and generating a view rendering signal.In the present application, the transmission slice length is dynamically controlled by frequency comparison combined with interval threshold to construct the load, the quota is compared by table lookup to prevent resource exhaustion and blockage, the bottom layer storage bit XOR span analysis is used to accurately locate the truncation boundary to trigger cross-section rendering, and fixed polling redundant communication overhead and server connection waste are eliminated, thereby ensuring low-latency delivery of batch stream file change data and smooth redrawing and rendering of the front-end page.

The invention belongs to the technical field of integrated circuits, and particularly relates to a triple modular redundancy implementation method based on a shell script. Comprising the following steps: S1, constructing triple modular redundancy of clock and reset, synthesizing by using a DC tool, and outputting a file required by a script; s2, a shell script is used for processing files needed by the script, and three files are obtained; s3, creating a triple modular redundancy module; s4, processing the netlist file corresponding to the sub-level module of the current level in parallel; s5, modifying instantiation ports of all sub-level modules in the netlist file corresponding to the mother-level module of the current level; s6, taking the higher level as the current level and returning to the step S4 until the mother level module of the current level is the top level module; s7, checking whether the clock and reset signals of the top-layer module are consistent with instantiated port signals of the clock and reset of the sublevel module of the top-layer module or not, and if yes, outputting a triple-modular redundancy netlist; otherwise, returning to the step S1; the chip development cycle is shortened, and readability and maintainability are high.

The embodiment of the invention provides a CPU load management method and device of a Unix system and a computer readable storage medium. The method comprises the following steps: correspondingly registering a target thread task needing to be monitored into an SIGURG signal processing function based on the type of a thread task when an application running in a CPU (Central Processing Unit) of a Unix system creates the thread task according to a use requirement; periodically reading a preset system file in the Unix system, and calculating the actual utilization rate of the CPU processor in the latest period based on CPU processor activity information in the system file; and comparing the actual usage rate with a preset threshold value, when the actual usage rate is greater than the threshold value, sending an SIGURG signal to the target thread task to enable the target thread task to enter an SIGURG signal processing function and turn into a sleep state, and when the actual usage rate is less than or equal to the threshold value, sending an SIGURG signal to the target thread task to enable the target thread task to enter an SIGURG signal processing function and turn into a sleep state. And sending the wake-up condition variable to the target thread task to enable the target thread task to run normally. According to the embodiment, the cost is low, and the dynamic adjustment of the CPU utilization rate can be realized.

The invention discloses a device configuration method, an identification method and electronic equipment. The method comprises the steps that after an attribute file opening signal is received, configuration information of a to-be-adjusted device is acquired according to device tree description; searching a configuration value in an IO port line correspondingly connected with the to-be-adjusted device according to the configuration information, and associatively storing the configuration value and the IO port line; obtaining rewriting values of the to-be-configured device, wherein the rewriting values are in one-to-one correspondence with the states of the IO port lines; replacing a configuration value with the rewriting value; and after receiving an attribute file closing signal, restoring the rewriting value to the configuration value. For products of the same type, if different device model configurations occur, the whole device tree does not need to be rewritten due to the limitation of the number of IO port lines, and only the configuration value of the IO port line corresponding to the unused to-be-adjusted device needs to be replaced by the rewriting value corresponding to the to-be-configured device used by the product, so that the device configuration efficiency is improved. Therefore, the identification of the to-be-adjusted device is changed into the identification of the to-be-configured device.

The application discloses a kind of controller CAN communication test method and system based on LLM, DBC file is converted into configuration file, VSS and CAN signal corresponding relationship file is read, as input to LLM;Call LLM model, according to prompt word generation test case;Based on behavior-driven development BDD mode, build automation framework to realize execution function;Correlation generated test case and execution function in automation framework, build complete test suite, run test suite and execute CAN bus communication test.The application is based on the controller that has realized VSS technology to carry out the check of VSS path and CAN Signal, using LLM generates the test case of BDD natural language, test case is directly used as test script, saves the step of manual writing test case, improves test efficiency, reduces test cost.

The invention provides an upper computer system configuration method and device and an upper computer system.The configuration method comprises the steps that all modules of the upper computer system are compiled into library files, all equipment debugging point tables are arranged in excel to be in a unified configuration file format, then a configuration file structure framework is generated, window control connection and serial port connection are established, and the upper computer system is configured. Setting parameters of serial port communication, and selecting an excel table configuration file corresponding to the to-be-tested equipment; the upper computer system configures a communication code, processes configuration information to form signal data, forms a message, sends the message to the lower computer, and waits for the response of the lower computer; and after receiving the message, the lower computer returns a response signal, and after receiving the response signal, the upper computer system reads response data of the to-be-tested equipment and outputs a response result. According to the invention, an upper computer editing platform is unified, visual programming is carried out through excel, different test point tables are stored and edited in a unified format, and a user can quickly learn and operate and use the upper computer system provided by the invention for maintenance.

This invention provides a method and apparatus for verifying and debugging chip algorithm modules, capable of automatically comparing and tracing the consistency between a C language reference model and simulation waveforms. The method includes: constructing a verification environment and generating fsdb waveforms and an executable file of the C language reference model with debugging information; generating GDB and fsdbreport commands based on configuration information, extracting variable values ​​and signal values, and performing consistency comparisons; if a match is found, the process ends; otherwise, signal tracing begins; during signal tracing, the PyNPI interface is called to trace the driving signals forward and analyze the signal value matching within the clock cycle; if no matching value is found, a new configuration file is generated and the debugging process is executed cyclically. The technical solution provided by this invention can automatically trace and quickly locate the root cause of problems in the early stages of algorithm module verification, supports dynamically adding comparison nodes, and reduces manual debugging costs.

Method, apparatus, and system for haptic signal processing are provided. The process may include receiving haptic data in an interchange (HJIF) format based on JavaScript Object Notation (JSON) and receiving a moving picture experts group haptics (MPEG_haptics) object associated with a global haptic experience, the MPEG haptics object in the HJIF format comprising a plurality of reset point timestamps. The process may include rendering effects based on the haptic data in the HJIF format; and may include resetting an output of a renderer based on determining that a current timestamp associated with the global haptic experience is equal to a reset point timestamp in the MPEG haptics object.

The invention discloses a score management system and an operation method thereof, and the system comprises an input module which transmits an input score signal to a processing module; the processing module is used for executing a preset processing operation on the input score signal by utilizing a webpage front-end technology when receiving the input score signal to obtain a plurality of single-family original scores, and transmitting the plurality of single-family original scores to the network database; the network database is used for storing the original score of the single family; the input module transmits an export signal to the network database and the export module; and the export module is used for calling a preset Java program by utilizing a go language according to the export signal and a network database to generate an export file. According to the system, input score signals are processed through a webpage front-end technology, and single-family original scores are generated; and the preset Java program is called through the go language, so that the score file in a complex format is generated, and the requirements of the system in more scenes are met.

The present invention provides a method for generating a communication message union of an ARINC653 system based on an ICD, including: S1. Reading an ICD file to generate an ICD data list; S2. Replacing the system names in the ICD data list with partition masks according to the correspondence between the partition masks and the system names; S3. Verifying the file to verify whether there are duplicate signal names and reserved bit named signals, and displaying the verification result; S4. Generating a communication message union header file for the verified ICD file. The present invention classifies and extracts ICD data for verification based on key common attributes, and generates communication message union header files for each application partition based on the verified ICD, so that the IO partition can access data without depending on specific signal names to implement communication services, thereby decoupling the ICD data from the IO partition code. The present invention improves the ICD change efficiency, avoids introducing human errors, and improves the maintainability of the IO partition software.

The invention provides a method for quickly operating an I2C bus under an Android system, a computer program product and a computer terminal. The method comprises the following steps: writing and loading an I2C device driver in a Linux kernel layer; generating at least one system attribute node for I2C communication in the I2C device driver; obtaining read-write operation of an upper-layer application program of the Android system on the system attribute node through a standard file read-write interface; and the I2C device driver monitors and analyzes data of an upper-layer application program of the Android system for performing read-write operation on a system attribute node and a specified slave device address, and converts the data and the specified slave device address into a corresponding I2C bus protocol signal to complete communication with the specified slave device. In this way, all I2C operations can be completed only by using the most basic and most universal standard file read-write interface read-write API in the Android SDK, and the universality of the I2C bus in the Android system is improved.

The present invention discloses a method, system, device and storage medium for automatic code generation, the method comprising parsing a DBC file to obtain message signal information; respectively obtaining a CAN channel configuration file in an ECU abstract layer and an ARXML file of each module in a service layer; performing function configuration of an Autosar module according to the message signal information and files at each level; and generating target code files at each level. By parsing a customer's DBC file to obtain message signal information, the target code files at each level are automatically generated in combination with the actual requirements of the ECU abstract layer, service layer and RTE layer in the Autosar architecture, and the basic code that originally needed to be manually configured and constructed in large quantities is automatically generated, thereby improving the development and integration speed of the basic software and effectively reducing the development cycle or change cycle of the software.

An embedded debugging method and apparatus, and a system. The method comprises: pre-configuring trigger information, the trigger information comprising a trigger data type, comparison content, and a trigger condition; on the basis of the pre-configured trigger data type, monitoring, by means of an information monitoring module, information received or sent by a processor and / or another functional module; by means of a comparison module, comparing the monitored corresponding information with the preset comparison content; and when the comparison result satisfies the preset trigger condition, performing corresponding processing. By using a real-time monitoring method, on the basis of triggering a preset trigger condition, corresponding information is stored or an interrupt signal is generated when the preset trigger condition is met, thereby quickly locating a program address of a related problem during debugging, achieving the purpose of high-efficiency debugging, or storing a related program address, achieving the purpose of software testing for a corresponding program, or storing related time information and testing time performance of a corresponding program, achieving the purpose of quickly optimizing the program.

The invention discloses a firmware file burning method and a system-level chip, which can be used in the field of chip burning, and the method comprises the following steps: firstly, obtaining a current sub-data packet of a firmware file and an initial cyclic redundancy check value corresponding to the current sub-data packet; then, calculating a current cyclic redundancy check value corresponding to the current sub-data packet; and finally, comparing the consistency of the initial cyclic redundancy check value and the current cyclic redundancy check value. If yes, a burning success signal is sent to the host device so as to execute burning of the next sub-data packet; and if not, sending a burning failure signal to the host equipment so as to re-execute burning of the current sub-data packet. Therefore, when each sub-data packet is burnt, the burning result of the sub-data packet is verified, so that in the burning process of the firmware file, the burning result of each sub-data packet is monitored in real time, the amount of data needing to be secondarily burnt after burning errors is reduced, and the burning efficiency of the firmware file is improved.

The application relates to an automatic extraction and error injection ECC verification method and device, a module integrated with an ECC function and a bus interface signal in a chip to be verified are acquired through a script, a signal path capable of monitoring transmission and error injection is obtained, verification parameters of a test case file are generated, and verification of the ECC function integrated in each module is realized. The extraction process of signal information is simplified by using a built-in script tool of verdi and a python script, the efficiency of verification is improved, and the reusability and sufficiency of verification are improved.

The invention discloses an Excel-to-DBC file conversion method and system based on intelligent verification and multi-version adaptation, and the method comprises the steps: automatically recognizing an Excel template version of an Excel file through a feature matching algorithm, calling a verification rule base corresponding to the recognized Excel template version, carrying out the multi-level verification of the Excel file, and carrying out the multi-level verification of the Excel file through a Motora byte order conversion algorithm. And converting the signal in the LSB byte order format into a signal in an MSB byte order format, preprocessing the signal converted into the MSB byte order format to obtain a file conforming to the DBC format, and expanding the file conforming to the DBC format to multi-format adaptive output. According to the method, the Excel template version of the Excel file is automatically recognized, the multi-level verification effect is good, the accuracy of start bit calculation is ensured through a professional Motora byte order conversion algorithm, multiple output formats are supported, function extension is facilitated through modular design, rapid access of the new template version and the output formats is supported, and the user experience is good.

The present invention discloses a method, device and system for embedded debugging, including: preset trigger information, the trigger information includes trigger data type, comparison content and trigger condition; according to the preset trigger data type, monitor the information received or sent by the processor and / or other functional modules through the information monitoring module; compare the monitored corresponding information with the preset comparison content through the comparison module; when the comparison result meets the preset trigger condition, perform corresponding processing. The present invention adopts a real-time monitoring method, which is triggered according to the preset trigger condition. When the preset trigger condition is met, the corresponding information is stored or an interrupt signal is generated, so as to quickly locate the program address of the relevant problem in debugging, so as to achieve the purpose of high-efficiency debugging, or store the relevant program address, so as to achieve the purpose of software testing of the corresponding program, or store the relevant time information, test the time performance of the corresponding program, so as to achieve the purpose of rapid optimization of the program.