51results about How to "Implement read and write operations" patented technology

The invention provides a localization mirror image method and a system of the mirror image method which achieve a telefile system with a local disk file system as a lasting caching space on client computing equipment in the network environment. By visiting a 'localization mirror image client-side system' applied on the client computing equipment, the telefile system is visited in a transparent mode. Part of files of the telefile system and part of data of the files are cached lastingly by the 'localization mirror image client-side system' through a 'local disk file system', and the 'localization mirror image client-side system' is responsible for maintaining the consistency of the local lasting caching telefile system. According to the localization mirror image method and the system of the mirror image method, the grain size is adopted as the smallest unit to achieve uploading and downloading of files of the local file system and telefile system, to achieve read-write operation of the files in local lasting caching, and to support lasting caching of part piece data of the files. By means of the localization mirror image method and the system of the mirror image method, visiting efficiency of a 'client application program' on the telefile system can be effectively improved so as to improve the client experience, and network flow is greatly saved.

The invention provides a PHY register read-write method. The method comprises the following steps of binding an Applet operation function set to define an auxiliary function; analyzing the first command line parameter input by the user to obtain the access behavior of the user; calling a corresponding first processing function according to the access behavior; calling the auxiliary function through a first processing function to analyze a second command line parameter input by the user so as to obtain all physical access paths, and storing the analyzed data into a structure variable; and calling a second processing function corresponding to the first processing function, transmitting the structure variable as a parameter into the second processing function, and finding a corresponding PHYregister according to the parameter through the second processing function to carry out read-write operation. The PHY register read-write method is universal, adapts to all application scenarios and has good expandability.

A SIP module testing method based on an on-chip embedded microsystem comprises the following steps: firstly using a CPU unit in the SIP module to read-write all addresses of memory units, thus testing the memory unit accuracy; then carrying out an internal sealed self-test and an external auxiliary test for the CPU unit in the SIP module, thus verifying the CPU unit accuracy; finally using the internal CPU unit and an external FPGA to test a FPGA in the SIP module. The method can effectively test the SIP module functions and internal interconnections without increasing the SIP module design complexity, thus satisfying the SIP module full test coverage demands in the maximum level, ensuring the SIP module accuracy, and improving the testing efficiency.

A USB communication system of an excitation controller based on a DSP chip is characterized in that the system is composed of a signal collecting module, a digital processor, a storing module, a USB communication module and an upper computer of the excitation system and has the advantages that a high-effective digital signal processing chip is adopted to realize various complicated generator excitation control rules and enhance the accuracy and the speed of the excitation system; a flexible USB interface and the function-prepared application software of the upper computer are adopted to realize abundant communication functions including that system oscillations caused by various broken-circuit failures, system frequency discontinuity and the current and voltage changes of the system dynamic process all can be constantly recorded without missing; a reliable report of the present work state can be directly obtained by an analysis software analyzing timely voltage-current curves.

The invention is applicable to the field of mobile communication and provides an SIM card resource management scheduling device, a communication terminal and a system. The device comprises a card service module, a card management interface module, a card management module, a card physical interface module and a Modem driving module, and the card service module is used for sending various service instructions to the card management interface module so as to transmit the various service instructions to the card management module through the card management interface module; the card management module is used for calling the corresponding sub-modules according to the received various service instructions, so that each sub-module realizes various service functions by calling the card physical interface module so as to perform resource management on the SIM card; the card physical interface module is used for operating an SIM card arranged on a non-Modem side, and loading the SIM card on the non-Modem side to the Modem by calling a Modem virtual card driving module in the Modem driving module or operating the SIM card mounted on the Modem by calling a Modem entity card driving module in the Modem driving module. According to the invention, effective scheduling management of the SIM card resources is realized.

The invention provides a portable card reader. The portable card reader comprises a circuit, a supporting shaft, a flexibly-deformed antenna panel which is connected with the supporting shaft; the flexibly-deformed antenna panel which is connected with the supporting shaft is equipped with a flexibly-deformed antenna coil which is electrically connected with the circuit to emit or receive information; a first clamping slot is formed in the antenna panel; an opening of the first clamping slot is formed in the sidewall of the antenna panel; the first clamping slot extends into the antenna panel. According to the card reader, the flexible panel separated from the circuit board is adopted and can coil the outer side of the outer wall of the supporting shaft under a non-working state, and therefore, the portability of the card reader can be obviously improved.

The invention discloses a hardware state detection method. The detection method comprises the steps of receiving a state detection instruction, and target determining hardware according to the state detection instruction; generating a plurality of read events for reading the hardware information of the target hardware; adding all the read events to an event queue and asynchronously executing eachread event in the event queue; and when the hardware information is received, executing a data processing operation on the hardware information to obtain hardware state data in a preset format. According to the method, the processing efficiency of hardware information can be improved, and high-frequency read-write operation is realized. The invention also discloses a hardware state detection system, a computer readable storage medium and electronic equipment, which have the above beneficial effects.

The invention discloses a method for supporting user access to a vsftpd service root directory. The method comprises the steps of deploying a vsftpd server; installing a vsftpd server program in the vsftpd server; obtaining a configuration file of the vsftpd server program; deleting the vsftpd server program; transferring and deploying the configuration file to obtain a corresponding configuration environment; in the configuration environment, encoding a vsftpd source code, and installing a vsftpd program; configuring and starting a vsftpd service. In can be seen that the configuration file of the installed vsftpd server program is extracted, a configuration environment for the vsftpd is created by transferring the configuration, configuration is conducted after encoding is conducted, and thus access personnel achieve reading and writing operation for the root directory. The invention further discloses a system for supporting the user access to the vsftpd service root directory. The system has the same technical effect as the method.

An intelligent counter system with a near-field linear polarization antenna array comprises anti-metal electronic tags, a micro balance, an image collection unit, a real-time checking unit, a sale safety monitoring system and an asset management database system. Each gold/jewelry article is provided with one smart-RFID dismounting-preventive tag, and the system makes information interaction for states, including stocked, to-be-sell, sold and after-sale, of each article via radio signals of the linear polarization near-field antenna unit/array, and inquires and automatic counts information of different types of articles according to information of the smart-RFID tags. The system is composed of independent control modules, and the modules execute related operations automatically and can receive control instructions from a cloud end/web server; and the system can realize distributed control for gold/jewelry assets of different counters of shops, each module has a control capability, the system flexibility is improved, and daily checking time of operators is reduced.

The invention discloses a servo driver and a servo driving system. The servo driver comprises a DSP module, an Ethernet chip and a preset module; the DSP module and the Ethernet chip are connected incommunication connection through an SPI interface; the preset module is used for presetting a corresponding relationship between an address in a first communication protocol and a variable name in a second communication protocol; before SPI data transmission, the Ethernet chip is used for converting the data length of the variable data to be transmitted into a set length; and when SPI data transmission is carried out, the Ethernet chip is used for sending the variable data with the set length to the DSP module according to the address. According to the system, the SPI data transmission betweenthe DSP module and the Ethernet chip is realized by realizing the corresponding relationship between the preset communication protocols, the problem of communication obstacles between the Modbus protocol and the CoE protocol is solved, and the data transmission rate is improved by adopting a full duplex data transmission mode.

The invention discloses an intelligent card operation equipment and operation method and belongs to the technical field of intelligent card management. The operation equipment includes an intelligent card (10) and an intelligent card operation device (20). The intelligent card (10) includes an IC card chip (11). Two radio frequency antenna access points of the IC card chip (11) are each connected with a first physical connection contact (12). The intelligent card operation device (20) includes a non-contact IC card reader (21) and a radio frequency antenna (22). The two ends of the radio frequency antenna (22) are each connected with a second physical connection contact (23). By adopting the operation equipment and method provided by the invention, operation such as reading, writing, downloading and the like of the IC card chip without a radio frequency antenna is realized and different application requirements for the intelligent card are met better.

The invention discloses a read-write control module and method for the same port and a dual-port memory. The read-write control module aiming at the same port can generate each stage of delay of the clock delay generation module by configuring the clock delay; the reading time sequence and the writing time sequence are regulated and controlled; therefore, the read-write pulse generation module generates a read pulse signal and a write pulse signal which are staggered in time sequence, a port read-write control signal generated by the read-write control signal generation module performs read orwrite control on the read pulse signal and the write pulse signal respectively, and a word line control signal is generated in the word line control signal generation module, wherein the read pulse signal and the write pulse signal respectively comprise a plurality of read pulses and write pulses which are periodically distributed in time; the number of read pulses and write pulses in a period can be flexibly set according to actual read-write needs, so that word line control signals in different modes are generated, data can be read and written in sequence in a clock period, the structure issimple, regulation and control are convenient and efficient, and the data has high real-time performance.