21 results about "Serial transfer" patented technology

The invention discloses a microwave measurement and control device, and relates to the technical field of particle acceleration. The antenna comprises a backboard, a radio frequency unit and a tuning unit. The backboard is provided with a high-speed serial transmission channel; the radio frequency unit is connected with the backboard to collect radio frequency field state data of the accelerator cavity; the tuning unit is connected with the backboard to output a driving signal to adjust the resonant frequency of the cavity. Wherein the radio frequency unit and the tuning unit establish a direct connection link through a high-speed serial transmission channel, and the tuning unit cooperatively adjusts the resonant frequency of the cavity according to radio frequency field state data. A traditional CPCI architecture is optimized through the backboard, the high-speed serial transmission channel comprises the first communication channel, radio frequency field state data does not need to be transferred and is directly transmitted to the tuning unit through the high-broadband and high-performance first communication channel, the problems of large transmission delay and cooperative lagging caused by bandwidth sharing of an existing CPCI architecture are effectively solved, and the communication performance of the CPCI architecture is improved. Tuning can be rapidly carried out through closed-loop control, and the stability of the accelerator beam is remarkably improved.

This invention discloses an in-vehicle video redundancy system. The system includes: an intelligent driving acquisition device for acquiring multiple video streams transmitted in parallel by a target vehicle under different vehicle states; an in-vehicle serializer for converting the parallel-transmitted multiple video streams into serial transmission; an in-vehicle dual-channel deserializer for converting the serially transmitted multiple video streams into target multiple video streams transmitted in parallel, and synchronously transmitting the target multiple video streams to an intelligent driving driving SOC chip and an intelligent driving parking SOC chip respectively; the intelligent driving driving SOC chip and the intelligent driving parking SOC chip are used to process the target multiple video streams according to the vehicle state of the target vehicle and the video stream type of the target multiple video streams, store the processed target multiple video streams, and display them on a display screen. This invention considers the redundancy design and safety backup control of the acquisition device, solving the problem of intelligent driving function loss due to the failure of one SOC, and ensuring the safety of the driver and passengers.

The invention discloses a parallel remote upgrading method based on expressway port communication, and belongs to the field of avionics. The method is based on an upper computer, a loading board and a loaded board, wherein the loading board is realized based on an FPGA (Field Programmable Gate Array). The upper computer communicates with the loading plate through a high-speed port, the loading plate communicates with the loaded plates through various serial interfaces, the upper computer can read upgrading files of the loaded plates at the same time and then send the upgrading files to the loading plate in a subpackage mode, and the loading plate receives the upgrading files and caches the upgrading files to different DDR spaces. And when the loading board detects that a certain upgrading file is cached, the upgrading file in the DDR space is read in a segmented manner, and serial transmission upgrading is carried out on the board card main control chip. Due to the fact that the communication bandwidth of the high-speed port is far larger than the bandwidth of the serial port, the upper computer can quickly complete transmission of a plurality of upgrading files to the loading board DDR, the upgrading process of a plurality of loaded boards is started in sequence, and the parallel upgrading effect is presented.

The embodiment of the invention provides a full-matrix lamp string system and method and a control circuit of a functional device, a lamp string comprises a controller, a plurality of light-emitting units, a main circuit and M branches, M is greater than or equal to 2, the main circuit is connected with the controller and supplies power to at least one branch, any branch is provided with at least one light-emitting unit, and M is greater than or equal to 2. The M branches comprise a first branch and a second branch; the controller is used for outputting a serial data packet, the serial data packet sent by the controller is input to the first branch, and an output signal of at least one light-emitting unit in the first branch serves as an input signal of the head-end light-emitting unit in the second branch. According to the embodiment of the invention, the light-emitting units in the branches can transmit the control data in series, the control data can be transmitted between the branches in series, the light-emitting units of the lamp string can extract data streams belonging to the light-emitting units, and independent control of the light-emitting units in the lamp string can be realized without an address code and a hub.

The application relates to the technical field of lamp effect control, and discloses an A- RGB lamp effect control method and device, the method comprising the following steps: sending device query instructions to an external A- RGB device connected with a first channel and a second channel in sequence, receiving response codes returned by the external A- RGB device, and comparing the response codes with brand protocol characteristic codes stored in a flash in byte by byte, so as to obtain serial transmission code stream data; configuring a first PDMA channel and a second PDMA channel to read the serial transmission code stream data from the first channel and the second channel respectively, and outputting parallel lamp effect data of a double-path 1-wire port; calculating a timestamp difference value based on the parallel lamp effect data, and starting a delay timer to delay the PDMA enabling operation of a channel with an earlier timestamp when the timestamp difference value exceeds a preset synchronization threshold value, so that the application realizes synchronous lamp effect output of double-path channel timestamp alignment, and solves the problem of lamp effect asynchronization caused by conversion time difference of cross-brand device protocols.

The invention belongs to the technical field of distribution network operation, and particularly relates to a power distribution network load transfer method. Comprising the following steps: presetting a load transfer condition, and obtaining distribution network operation data; according to a preset load transfer condition, screening the line standing book table and the inter-line contact relation table, and forming a network topology table; based on the network topology table, single radiation lines are removed, and an undirected graph is generated with the lines as nodes and connection between the lines as edges; dividing the undirected graph into a plurality of connected sub-graphs, generating a set of all wheeling modes of each connected sub-graph, and calculating an optimal wheeling mode and a global optimal series supply mode of each connected sub-graph; and if the preset load transfer condition contains the back-carrying bus, calculating a global optimal transfer mode of the back-carrying bus on the basis of the global optimal series supply mode.

A tool holder (200) is attached to a machine tool body (100) and is capable of holding a tool. The tool holder (200) comprises: a sensor and / or an actuator (381); a substrate (410) having mounted thereon an electronic circuit (721) capable of converting an electrical signal from the sensor and / or the actuator (381) into a digital signal that can be serially transmitted; a serial terminal (220A) that forms an electrical contact with the machine tool body (100) and is for performing serial transmission of the digital signal; and a power supply terminal (220B) that forms an electrical contact with the machine tool body (100) and is for supplying power to the sensor and / or the actuator (381).

Systems and methods for using memory-mapped memories in a microcontroller-based instrument are provided herein. The method includes operating the microcontroller-based instrument using a complex application or protocol and operating a highly integrated, low-power microcontroller unit (MCU). The MCU is configured to use memory mapping for accessing at least one off-MCU memory connected to the MCU by at least one interface. The MCU's memory-mapping configuration enables the off-MCU memory(ies) to behave as an extension of at least one on-MCU memory that is connected directly to the CPU to effectively extend a range of the at least one on-MCU memory, wherein the effective extended range of the at least one on-MCU memory enables the microcontroller-based instrument to utilize the complex application or protocol. The method further includes writing addresses and / or data to and / or reading addresses and / or data from the off-MCU memory using serial transmission during a memory mapped transaction.

This provides an auxiliary circuit for serial transmission and reception that stably receives signals from the received data line. [Solution] In the master device 101, the user circuit 301 operates with the system clock CLK and communicates with an external slave device via the synchronous serial bus transmit / receive circuit 302. The received data delay circuit 303 further delays the received data synchronized by the synchronization circuit 304 in units of the system clock using a shift register, and outputs one of the signals of the shift register via the selector 308 based on RXSEL specified by the user circuit. The synchronization circuit 304 synchronizes the received data RX input from outside the master device with the system clock. The synchronous serial bus transmit / receive circuit 302 serializes TXpara using the serialization circuit 305, synchronizes it with the transfer clock, and outputs the signal RXd received with the transfer clock by deserializing it using the deserialization circuit 306.

The embodiment of the present disclosure provides a data transmission method, system and chip. The method is used for a target master network node in a master network of a data transmission system. A sub-network of the data transmission system comprises a plurality of sub-network nodes connected to each other. One of the plurality of sub-network nodes is connected to the target master network node. The method comprises the following steps: sending a first synchronization signal to the sub-network; at least one target sub-network node in the plurality of sub-network nodes of the sub-network and located in a predetermined serial transmission path performs sampling time delay based on the first synchronization signal, so that the plurality of target sub-network nodes in the serial transmission path are aligned in sampling time; receiving a first data frame from the sub-network. In the first data frame, acoustic data read by the plurality of target sub-network nodes in the serial transmission path and aligned in sampling time at the same target sampling time is included; and transmitting the acoustic data to a processing unit connected to the master network.

The application provides a map matching design method, a matching method and a system based on a SylixOS operating system, and solves the technical problem that the real-time performance of the existing map matching cannot fully utilize the real-time performance of the operating system. The method comprises the following steps: in the map matching process, a main thread is set, which is used for responding to a map matching request of a hard interrupt; a serial port thread is set, which is used for responding to a data bidirectional serial transmission request of a first soft interrupt; a search thread is set, which is used for responding to a map database search request of a second soft interrupt; a matching thread is set, which is used for responding to a curve matching map matching request of a third soft interrupt; and data synchronization and / or data sharing are performed among the serial port thread, the search thread and the matching thread according to a synchronization semaphore. The real-time high-frequency response of a positioning data request of an external inertial device through a serial port, the map database search efficiency and the curve matching map matching accuracy are ensured.

Rapid-data-transfer sensor arrays include a controller and a plurality of sensor integrated circuits (ICs) connected in series and configured to periodically take measurements and provide measurement data to the controller as serial data. The sensor IC includes a power regulation circuit configured to selectively supply power for a low-power mode and an active mode for recording data and an internal shift register. When finished with the measurement, the sensor IC is configured to provide measurement data to the shift register for transfer to the controller. The controller is configured to initiate serial transfer of data from each of the shift registers of the first plurality of sensor ICs to the controller. Switching functionality provides the capability to switch sensors or sensor ICs from one operational mode to another, e.g., from a rapid serial data out (RDSO) mode to an SPI mode.

The invention provides a cascade chip with a serial cascade communication interface and a serial transmission component thereof, comprising the serial cascade communication interface which comprises a serial data input interface for receiving an input signal and a clock signal input interface, the serial data output interface and the clock signal output interface are used for providing output signals and are connected to a next cascade chip, and a chip selection signal interface is omitted. According to the cascade chip with the serial cascade communication interface, aiming at the application of a high polling rate of a keyboard, the double-line cascade serial cascade communication interface is introduced, a chip selection signal is not needed, the characteristics of automatic time sequence optimization and low delay are realized through a buffer transmission mode and a straight-through transmission mode, and wiring is concise and flexible, transmission is efficient and safe, and power consumption is low.

The invention discloses a radar communication integrated radio frequency signal generation device. In the device, a data interface unit is used for receiving data to be transmitted; the data grouping unit is used for grouping data; the pulse control unit maps each data combination of the pulse mapping group into K pulses selected from a pulse set for data transmission according to a one-to-one mapping relationship, maps each data combination of the transmission sequence group into a certain serial transmission sequence of the K pulses, and outputs the serial transmission sequence to the pulse modulation unit; the pulse modulation unit loads the data of the data modulation group to the K serial pulses according to a mapping modulation mode to complete pulse modulation; and the nonlinear unit generates a nonlinear frequency modulation signal with variable carrier frequency and phase and outputs the nonlinear frequency modulation signal to the power amplifier unit. According to the technical scheme disclosed by the invention, the data transmission capability and the target detection capability of the radar communication integrated signal are improved.

Rapid-data-transfer sensor arrays include a controller and a plurality of sensor integrated circuits (ICs) connected in series and configured to periodically take measurements and provide measurement data to the controller as serial data. The sensor IC includes a power regulation circuit configured to selectively supply power for a low-power mode and an active mode for recording data and an internal shift register. When finished with the measurement, the sensor IC is configured to provide measurement data to the shift register for transfer to the controller. The controller is configured to initiate serial transfer of data from each of the shift registers of the first plurality of sensor ICs to the controller. Switching functionality provides the capability to switch sensors or sensor ICs from one operational mode to another, e.g., from a rapid serial data out (RDSO) mode to an SPI mode.

The invention discloses a shape-following self-adaptive magnetic flux leakage dynamic camera shooting welding seam nondestructive testing device and a defect feature extraction method. The device comprises a magnetic field detection module, an excitation device, a thousand-path signal processing device and a magnetic field imaging upper computer. The magnetic field detection module adopts a flexible substrate to adapt to the curved surface morphology of the welding seam; the module comprises a Hall sensor array, and signal acquisition is realized through time division multiplexing of a multi-way switch. The excitation device is used for establishing a controllable static or alternating magnetic field in a welding seam area, and the requirements for different materials and thicknesses are met. And the thousand-path signal processing device drives a multi-path switch through a precise time sequence, so that time division multiplexing acquisition, high-speed analog-to-digital conversion and serial transmission of multi-path sensor signals are realized. The magnetic field imaging upper computer is responsible for magnetic field data gradient calculation, image reconstruction and result storage. Complete two-dimensional magnetic field distribution information in a space can be directly collected, an external light source is not needed, the problem of ambient illumination interference is solved, and meanwhile, integrated detection of surface and near-surface defects is achieved.

The application provides a cascaded chip with a serial cascade communication interface and a serial transmission component thereof, which comprises a serial cascade communication interface, the serial cascade communication interface comprises a serial data input interface and a clock signal input interface for receiving input signals, and a serial data output interface and a clock signal output interface for providing output signals and being connected to a next cascaded chip, and a chip selection signal interface is omitted. The cascaded chip with the serial cascade communication interface of the application introduces a two-wire cascade serial cascade communication interface for the application of a high polling rate of a keyboard, does not need a chip selection signal, realizes automatic optimization timing and low delay through a buffer transmission mode and a pass-through transmission mode, makes the wiring simple and flexible, and realizes efficient, safe and low-power-consumption transmission.

The application discloses a kind of multi-serial transmission channel data adaptive injection and reading method, device and electronic equipment, first by selecting default USB transmission channel to the device to be injected to initiate device enumeration;If device enumeration can be completed, data injection is carried out using USB transmission channel;If device enumeration cannot be completed, switch to the first serial port channel to send query instruction to the device to be injected, if the response information of the device to be injected in response to query instruction is received within the preset time, data injection is carried out using the serial port channel;If the response information of the device to be injected in response to query instruction is not received within the preset time, switch to the second serial port channel to carry out data injection.The method of the present application can automatically select injection or reading channel according to the electrical characteristics of the device to be injected or read, and adaptively compatible with the device interface level, to meet the off-line deployment needs of various types of safety protection devices.

1. Name of the product in this design: Configurable Image Data Injection Device Component. 2. Purpose of this design: For image data processing and serial transmission of image data. 3. The key design features of this product are the combination of shape and pattern. 4. The image or photograph that best illustrates the design points: 3D diagram of the combined state 1. 5. Other components requiring explanation: Component 1 is an image data processing module, and component 2 is a configurable serial transmission module.

To provide a tool holder and jig that enables high reliability and miniaturization of the tool holder or jig in the use of electricity in the tool holder or jig. [Solution] The tool holder (200) is mounted on the machine tool body (100) and is capable of holding tools. The tool holder (200) includes a sensor and / or actuator (381), a circuit board (410) on which an electronic circuit (721) capable of converting electrical signals from the sensor and / or actuator (381) into serially transmittable digital signals is mounted, a serial terminal (220A) that makes electrical contact with the machine tool body (100) for serial transmission of digital signals, and a power supply terminal (220B) that makes electrical contact with the machine tool body (100) for supplying power to the sensor and / or actuator (381).

A system comprising: a plurality of cores, each core comprising a neural processing unit, the neural processing unit being configured to apply a plurality of synaptic weights to a plurality of input activations to generate a plurality of output activations; an activation memory configured to store the input activations and output activations; a local control unit, the local control unit being configured to load the input activations from the activation memory into the neural processing unit and to store the plurality of output activations from the neural processing unit in the activation memory; and a memory for a neural network model configured to store the plurality of synaptic weights.a global scheduler functionally connected to the plurality of cores and designed to provide each core with the synaptic weights from the memory for a neural network model; and a network (604) connected to the plurality of cores, wherein the global scheduler provides each core with the synaptic weights and instructions of the local control unit via the network, the network comprising a serial transfer network, and wherein the network comprises a plurality of rows, each connected to a subset of the plurality of cores; wherein each parallel serial network (641 ... 644) comprises a corresponding memory bank (611 ... 614) that stores the weights and instructions for the corresponding core row; and wherein at least one of the memory banks (811) is subdivided into a plurality of subbanks (815).