972 results about "Serial communication" patented technology

To provide a game machine that is improved regarding communication by a serial communication circuit between a main control section and a value control section.SOLUTION: A game machine comprises a main control section 161 for controlling a game, and a token number control section 171 for controlling a credit possessed by a player, wherein the token number control section 171 can be communicably connected to a CU control section 323 of a card unit 3 that is an external connection device. The main control section 161 and the token number control section 171 are microcomputers having the same specifications that have a first serial communication circuit SR1 and a second serial communication circuit SR2, wherein the main control section 161 communicates with the token number control section 171 by using the first serial communication circuit SR1, and the token number control section 171 communicates with the main control section 161 by using the second serial communication circuit SR2, and communicates with the CU control section 323 of the card unit 3 by using the first serial communication circuit SR1.SELECTED DRAWING: Figure 44

To provide a game machine that is improved regarding communication by a serial communication circuit between a main control section and a value control section.SOLUTION: A game machine comprises a main control section 161 for controlling a game, and a token number control section 171 for controlling a credit possessed by a player, wherein the token number control section 171 can be communicably connected to a CU control section 323 of a card unit 3 that is an external connection device. The main control section 161 and the token number control section 171 are microcomputers having the same specifications that have a first serial communication circuit SR1 and a second serial communication circuit SR2, wherein the main control section 161 communicates with the token number control section 171 by using the first serial communication circuit SR1, and the token number control section 171 communicates with the main control section 161 by using the second serial communication circuit SR2, and communicates with the CU control section 323 of the card unit 3 by using the first serial communication circuit SR1.SELECTED DRAWING: Figure 44

To provide a game machine that is improved regarding communication by a serial communication circuit between a main control section and a value control section.SOLUTION: A game machine comprises a main control section 161 for controlling a game, and a token number control section 171 for controlling a credit possessed by a player, wherein the token number control section 171 can be communicably connected to a CU control section 323 of a card unit 3 that is an external connection device. The main control section 161 and the token number control section 171 are microcomputers having the same specifications that have a first serial communication circuit SR1 and a second serial communication circuit SR2, wherein the main control section 161 communicates with the token number control section 171 by using the first serial communication circuit SR1, and the token number control section 171 communicates with the main control section 161 by using the second serial communication circuit SR2, and communicates with the CU control section 323 of the card unit 3 by using the first serial communication circuit SR1.SELECTED DRAWING: Figure 44

To provide a game machine that is improved regarding communication by a serial communication circuit between a main control section and a value control section.SOLUTION: A game machine comprises a main control section 161 for controlling a game, and a token number control section 171 for controlling a credit possessed by a player, wherein the token number control section 171 can be communicably connected to a CU control section 323 of a card unit 3 that is an external connection device. The main control section 161 and the token number control section 171 are microcomputers having the same specifications that have a first serial communication circuit SR1 and a second serial communication circuit SR2, wherein the main control section 161 communicates with the token number control section 171 by using the first serial communication circuit SR1, and the token number control section 171 communicates with the main control section 161 by using the second serial communication circuit SR2, and communicates with the CU control section 323 of the card unit 3 by using the first serial communication circuit SR1.SELECTED DRAWING: Figure 44

To provide a game machine that is improved regarding communication by a serial communication circuit between a main control section and a value control section.SOLUTION: A game machine comprises a main control section 161 for controlling a game, and a token number control section 171 for controlling a credit possessed by a player, wherein the token number control section 171 can be communicably connected to a CU control section 323 of a card unit 3 that is an external connection device. The main control section 161 and the token number control section 171 are microcomputers having the same specifications that have a first serial communication circuit SR1 and a second serial communication circuit SR2, wherein the main control section 161 communicates with the token number control section 171 by using the first serial communication circuit SR1, and the token number control section 171 communicates with the main control section 161 by using the second serial communication circuit SR2, and communicates with the CU control section 323 of the card unit 3 by using the first serial communication circuit SR1.SELECTED DRAWING: Figure 44

According to the high-speed serial communication system protocol adaptation layer circuit oriented to interconnection between the core particles and the working method, the circuit serves as a bridging layer between an AXI-S bus and a SerDes physical coding sub-layer, and the problems of reliability and flow control in high-speed data transmission between the core particles are solved. The circuit adopts a modular design idea and comprises a transmitter and a receiver. In the aspect of data packet design, a first packet special processing mechanism is adopted, and an event serial number and target address information are only transmitted in a first packet, so that the bit utilization rate is improved. In the flow control design, a credit-based flow control mechanism is adopted, and the data transmission reliability is guaranteed through a special flow control packet. In addition, the system has a point-to-point retransmission function, data packets which fail in transmission are indexed and retransmitted, and successful data transmission is guaranteed within the configured retransmission times. According to the invention, an efficient and reliable protocol adaptation layer circuit solution is provided for high-speed interconnection requirements in core particle design.

The invention provides a fault recovery method and electronic equipment, which can be applied to the field of computers. The fault recovery method comprises the following steps: collecting state information of a substrate management controller; when the state information represents that the substrate management controller breaks down, an isolation circuit connected between the processor and the substrate management controller is controlled, power supply to the substrate management controller is cut off, and the control right of a serial communication bus of the substrate management controller is taken over; target firmware mirror image data of the substrate management controller is obtained from a storage medium, and the target firmware mirror image data is used for restoring the function of the substrate management controller when it is detected that the substrate management controller breaks down; replacing original firmware mirror image data stored in a flash memory of the substrate management controller with the target firmware mirror image data through a serial communication bus so as to perform function recovery on the substrate management controller; and in response to completion of function recovery, controlling the isolation circuit to recover power supply to the substrate management controller.

The invention discloses an industrial channel test method and system based on a serial port communication protocol, relates to the field of industrial control, and aims to solve the problems that an existing channel test system is single in connection mode, complex in deployment and low in efficiency due to dependence on manpower. According to the invention, the deployment process is simplified by supporting dual-protocol adaptive switching between an RTU mode (direct connection through a 485-to-USB converter) and a TCP / IP mode (wired / wireless network access); driving test logic by using a spreadsheet, pre-defining a Modbus address, a measuring range and a precision threshold value, automatically generating an instruction and acquiring data; and the integrated voice broadcast module feeds back a test result in real time, and prompts an abnormal channel and a processing suggestion when the precision exceeds the limit, so that single-person closed-loop operation is realized. The test result is automatically recorded to the spreadsheet, a structured report is generated, historical tracing and cross-platform data integration are supported, the test efficiency and reliability are remarkably improved, and the method is suitable for high-frequency channel verification of the industrial control system.

The invention provides an anti-interference serial port communication method and system for an industrial-grade wireless module, and the method comprises the steps: collecting interference data in the serial port communication of the industrial-grade wireless module in real time based on a multi-dimensional interference feature collection module, and forming a multi-scale interference feature vector; inputting the multi-scale interference feature vector into a Mamba communication state space model fused with a CRC (Cyclic Redundancy Check) mechanism, and predicting a potential interference mode through linear complexity time sequence modeling; based on an adaptive weight transmission optimization function, carrying out dynamic weighting adjustment on the transmission parameters in the potential interference mode; wherein the transmission parameters comprise a baud rate, a data bit length, a verification mode and a retransmission strategy. According to the invention, hardware cost does not need to be increased, and the cost of anti-interference serial port communication is reduced; meanwhile, based on an adaptive weight transmission optimization function, dynamic weighting adjustment is carried out on transmission parameters in a potential interference mode, and interference dynamic changes are tracked in real time to carry out anti-interference communication.

The invention relates to the technical field of communication, and discloses an awakening method, equipment and a storage medium. The wake-up method comprises the following steps: when a hardware device enters a sleep state, setting a data acquisition pin in a serial communication protocol interface in a power-off state in the hardware device as a trigger function. When a data acquisition pin receives a low level signal on a data line of a corresponding communication bus, a hardware device can be directly triggered to wake up from a sleep state; or when the data acquisition pin receives a low level signal on the data line of the corresponding communication bus, the serial communication protocol interface can be triggered to enter a working state, and after the serial communication protocol interface receives address data and an awakening instruction matched with the hardware device, the hardware device is awakened from the sleep state. Therefore, based on the method, when the hardware device enters the sleep state, the wake-up source (namely the serial communication protocol interface) can enter the power-off state, so that the power consumption of the electronic equipment is saved.

The invention provides a human body key point detection mechanical palm synchronous control method and system based on vision, and belongs to the technical field of robot control and human-computer interaction. The gesture recognition technology is used for conducting gesture estimation on the target arm, and key point data are captured and extracted. The key point data comprises joint position information of the arm and the hand, necessary input is provided for subsequent control, the data are processed, and the joint position information is converted into steering engine corner information capable of driving all joints of the mechanical arm. According to the invention, the Kalman filtering algorithm is adopted to filter the joint angle data, and then the filtered steering engine rotation angle information is transmitted to each joint point of the mechanical arm through the serial port communication technology, so that the precise control of the mechanical arm is realized, the stability and real-time performance of data transmission are ensured, and the reliability of the mechanical arm is improved. And the mechanical arm can quickly respond to the gesture change of a person.

The invention relates to the technical field of vehicle dynamic parameter estimation, in particular to a vehicle mass real-time estimation method and system based on a composite weighting algorithm and embedded equipment. The method comprises the steps that the speed, acceleration and driving torque data in the vehicle running process are collected; calculating a mass estimation value of each data point through a preset dynamic model; a composite weighting algorithm is constructed by adopting a Gaussian weight method and an entropy method, the Gaussian weight method sets an expected value based on wagon balance data to carry out weight distribution, and the entropy method carries out objective weighting according to a data dispersion degree; carrying out fusion calculation on the two weighting results, and outputting a final quality estimation value; and wagon balance data are updated in real time through serial port communication, and algorithm parameters are dynamically optimized. The method is realized on an STM32 embedded platform, and can be effectively applied to commercial vehicle-mounted quality monitoring and intelligent logistics management systems.

The invention provides a one-master multi-slave type high-speed serial communication and synchronous control method and system and a medium, and the method comprises the steps: firstly, resetting slave stations based on an initialization instruction, and sequentially transmitting equipment type query instructions based on a physical connection sequence, thereby completing the topology recognition of the slave stations; then, aggregated data frames are periodically constructed, a frame header is written into a master station status word, a frame body is formed by splicing slave station data packets according to a station number sequence, and a frame tail is a check code; and finally, the slave station analyzes the aggregated data frame based on the station number, executes the task, and feeds back a task execution result according to a physical inverted sequence. In addition, when a new slave station is accessed, the master station switches a status word and triggers the whole system to be reinitialized, and the new slave station is dynamically incorporated into the topology; according to the invention, the expansibility, the real-time performance and the reliability of multi-node synchronous control in an industrial scene are comprehensively improved.

The invention discloses a data acquisition system and method in a CT (Computed Tomography) system, the system comprises a control end and an acquisition end, a first FPGA (Field Programmable Gate Array) module and a second FPGA module are respectively arranged in the control end and the acquisition end, a forward error correction coding module and a data transmitting module are arranged in the first field programmable gate array FPGA module, and a forward error correction decoding module and a data receiving module are arranged in the second field programmable gate array FPGA module; wherein when the control end sends control command data to the acquisition end, the forward error correction encoding module encodes the control command data and then sends the control command data to the forward error correction decoding module through the data sending module, so that the second forward error correction module recovers the encoded control command data; and the data receiving module receives the recovered data. A data forward error correction technology is added to serial communication, so that a receiver does not receive wrong data, and the defects of related technologies are overcome.

The invention provides a system for controlling a manipulator in real time through hand electromyographic signals, which comprises a data acquisition unit, a terminal equipment unit and a tail end execution unit which are in communication connection through serial ports. The data acquisition unit comprises a data acquisition device and a signal acquisition module, and is configured to acquire a multi-channel electromyographic signal of a hand of a user in real time and perform signal conditioning and digitization so as to obtain a digital signal sequence representing a muscle activity intention of the user; the terminal equipment unit comprises a data preprocessing module, a model training module, a gesture recognition module and an instruction generation module; the tail end execution unit comprises a manipulator control unit which is in communication connection with the control output module and is configured to be used for receiving the manipulator control instruction and driving a manipulator to execute corresponding actions; in combination with a control method, the problems of insufficient real-time performance, poor hand action recognition precision and robustness, unstable control instruction, poor user adaptability and the like in the prior art are solved, and the man-machine interaction performance is improved.

The invention provides an underground water level and conductivity accurate measurement system, which comprises an underground probe module, a three-core composite cable and a water level measurement module, the outside-well module is used for deploying a microprocessor, a serial communication bus and a lithium-thionyl chloride battery pack outside a well, and then correcting and initially presetting and calibrating acquired signals; the precise monitoring module is used for carrying out multi-stage filtering processing and final state estimation on the signals to obtain multi-channel fusion data; the misjudgment eliminating module is used for performing multi-layer measurement judgment and dynamic confirmation to obtain a real water level point; the model calculation module is used for carrying out water level inversion by utilizing a hydrological model to obtain hydrological parameters of a well hole and a water-bearing layer; and the data platform module is used for pushing, storing and visually displaying real-time data streams. The method can adapt to high-precision multi-parameter real-time monitoring under extremely complex well conditions, the recognition accuracy of underground water parameters such as the water level and the conductivity is greatly improved, the misjudgment risk is reduced, and accurate underground water level measurement is achieved.

The invention relates to the technical field of serial communication, in particular to a high-speed clock recovery method and device based on an adjustable delay chain, and the method comprises the steps: generating a recovery clock initial phase; a multi-stage programmable delay chain is adopted, and a phase-locked loop or delay-locked loop structure is combined, so that the initial phase of a recovered clock is finely adjusted and locked, and phase capture and clock edge alignment are performed; based on a multi-path recovery structure, a path with the minimum error is selected from the delay paths through a preset phase error detection mechanism to serve as an output channel; environment parameters of the environment are collected, parameters of the multi-stage programmable delay chain are dynamically adjusted, and high-speed clock recovery is completed. According to the method, the edge capture precision, the system jitter tolerance and the working frequency range of the recovered clock are remarkably improved, and then the phase consistency, the anti-interference capability and the overall data receiving reliability of the recovered clock in the high-speed communication system are effectively improved.

The invention discloses a cable GIS terminal stress-strain sensor and a strain monitoring method thereof, and belongs to the technical field of stress-strain monitoring, and the sensor comprises a sensor structure unit which comprises a metal housing, a fixed contact, a movable contact and a piezoelectric element; the signal processing unit is integrated in the integrated circuit shell and comprises a charge collector used for converting a charge signal of the piezoelectric element into an analog voltage signal; the pulse charge discharger is connected to the output end of the charge collector in parallel; the analog-to-digital converter is connected with the output end of the charge collector and is used for converting the analog voltage signal into a digital signal; the serial communication interface is used for outputting digital signals after analog-to-digital conversion; the mounting unit comprises a fixing hole position and an adhesive base which are arranged on the metal shell; the cable GIS terminal stress strain monitoring device is used for monitoring the stress strain of the cable GIS terminal in the operation process so as to reflect typical structure defects appearing in the cable GIS terminal, and online monitoring of the cable GIS terminal equipment is achieved.

The invention relates to the technical field of audio equipment testing, and discloses a parallel burning and Bluetooth testing frequency calibration method of a special chip for audio equipment. The method comprises the following steps of: establishing an independent serial communication channel with a plurality of chip chips through a computer control unit, and synchronously transmitting a firmware data packet to each chip storage unit; the high-precision radio frequency detection device is started to scan Bluetooth signal frequency offset values of all chips, and detection data is fed back to the computer control unit in real time; screening unqualified chips according to a preset frequency offset threshold, starting a dynamic frequency calibration program for the unqualified chips, and modifying internal capacitance parameters of the chips through a serial communication channel; repeatedly executing the frequency offset detection and capacitance parameter adjustment step until the frequency offset values of all the chips reach a standard range; and after completing the frequency offset calibration, executing a multi-channel Bluetooth performance test and outputting a test result report. According to the method, the chip firmware burning and Bluetooth test frequency calibration efficiency can be improved, the chip performance is guaranteed, and the method is adaptive to the batch production requirement.

The invention discloses a robot environment sensing and positioning system based on an ROS. Effective data of multiple sensors can be efficiently processed, and the timestamps are unified for data fusion. According to the invention, an NUC11 industrial personal computer receives sensor data of an inertial sensor, a laser radar and an industrial camera and transmits the sensor data to a corresponding algorithm module for processing; a grid map is established after the surrounding environment is sensed; the speed and the direction are sent to the STM32 single-chip microcomputer through serial port communication, the STM32 single-chip microcomputer calculates the speed and the direction and then converts the speed and the direction into current values, current value data are sent to the motor through CAN communication, the Mecanum wheels are driven to move in all directions, and the navigation robot capable of achieving self-positioning and omni-directional movement is achieved. According to the omni-directional moving efficient wheeled robot, Mecanum wheels are innovatively combined to achieve omni-directional moving, a universal positioning and navigation robot chassis frame system is constructed, and the omni-directional moving efficient wheeled robot can become a universal solution for a cleaning robot, a meal delivery robot, an express delivery robot and the like in combination with different application scenes.

The invention discloses a terminal communication test method and system based on an SQL database. The method comprises the following steps: determining test content; establishing a relation between the terminal and a computer with a preset SQL database through serial port communication, wherein a plurality of simulation meters of the SQL database are respectively used for simulating a plurality of electric energy meters; when multi-protocol analysis reply is carried out, received data frame protocols are distinguished and analyzed firstly and stored in a structural body, then the data frame protocols enter different processing function trees to be processed one by one, reply information frames are established, and finally information is replied through a serial port. Editing the running state of the simulation meter, and simulating the running state of at least one electric energy meter; and enabling the terminal to send a message of the collection task to each simulation table, or / and each simulation table to report timed freezing data or table data to the terminal. According to the invention, the test cost and the site demand are reduced, the test time is shortened, the test can be carried out quickly, conveniently and clearly, and the test efficiency is improved.

The invention discloses an LED driving system. The LED driving system comprises a controller and a plurality of LED driving chips, the controller and the plurality of LED driving chips form a serial communication link, and the controller is used as a host to send instruction data to the plurality of LED driving chips which are used as slaves; each LED driving chip is provided with a plurality of LED driving channel pins, the LED driving channel pins are respectively used for being connected with one end of one of a plurality of LED lamp strings so as to control the light emission of the LED lamp strings, and the other ends of the plurality of LED lamp strings are connected with an LED driving power supply; when instruction data sent by the controller is transmitted in the serial communication link step by step, the LED driving chip of each stage is allowed to write state information into the instruction data and transmit the state information to the LED driving chip of the next stage; at least one LED driving chip is provided with at least one composite function port, and the composite function port is used for outputting the state information.

The invention relates to a CAN bus control type PS I5 transceiver module which comprises a main control module, a communication interface is composed of a CAN communication module and a serial port, the CAN communication module is used for communicating with other equipment, and the main control module is connected with an upper computer through the serial port for communication; the power supply module reduces the direct-current 12V voltage to the working voltage of the single chip microcomputer to supply power to the main control module; the PS I 5 transceiver chip is respectively connected with the sensor and the main control module, and is used for receiving a Manchester encoding electric signal of a PS I 5 bus and sending an electric signal conforming to the PS I 5 standard to the sensor; the master control module is used for receiving and storing sensor data corresponding to different states and events. Compared with the prior art, CAN and serial communication are combined with a power-down storage state flag bit, so that the equipment can be compatible with a plurality of pieces of equipment for coordinating work. The non-PS I5 production equipment can be refitted into PS I5 sensor production equipment as long as the non-PS I5 production equipment is provided with a CAN communication interface, reading, configuration, analysis and diagnosis of a PS I5 sensor can be carried out, and the production link of the PS I5 sensor is effectively supported.

The invention provides a data compression method, apparatus and device, and a storage medium. The method comprises the steps of obtaining an original data stream transmitted through a serial port; determining the data type of the original data flow according to the original data flow; determining a corresponding target compression algorithm according to the data type; compressing the original data stream according to the target compression algorithm to obtain compressed data; the defects of low efficiency and even data expansion during data abrupt change in a fixed compression mode are effectively overcome, and the data transmission efficiency and the bandwidth utilization rate of serial port communication in a resource limited environment are remarkably improved.

A tiling display apparatus includes a set board configured to generate a control command signal and a plurality of display modules connected to one another through a first interface circuit based on a serial communication scheme, for executing a target operation corresponding to the control command signal, and the first interface circuit is implemented with a bidirectional serial interface having a feedback loop type between adjacent display modules of the plurality of display modules.

A substrate conveying robot includes a hand sensor provided on a substrate holding hand, and a hand circuit substrate provided on the substrate holding hand and connected to the hand sensor, and a serial communication connection is made between a robot controller and the hand circuit substrate through an inside of an arm.

The invention discloses an unmanned aerial vehicle multi-technology fusion intelligent control method. The method comprises the following steps: establishing serial port communication between an airborne terminal and an unmanned aerial vehicle; the airborne terminal acquires model information by receiving a heartbeat packet actively sent by the unmanned aerial vehicle, and switches to a corresponding control protocol according to the model information for controlling the unmanned aerial vehicle; and the airborne terminal is used for dynamically monitoring the signal quality of the communication link and adaptively switching the optimal communication link. According to the intelligent control system and method provided by the invention, intelligent switching can be performed according to indexes such as signal strength, delay and stability, and an early warning value is set to deal with a sudden communication loss problem, so that the communication continuity and the data transmission reliability of the unmanned aerial vehicle in a task execution process are ensured.

The present disclosure relates to a serial communication network (400), including: a plurality of network nodes (402) including a primary node (404) and one or more secondary nodes (406a-406d) connected in a daisy chain configuration and configured to communicate according to a first wired communication protocol for serial communication, wherein the first wired communication protocol is the Open System Protocol; wherein at least one of the network nodes (402) is configured to act as bridge node (420), wherein the bridge node (420) includes communication circuitry configured to: enable a communicative coupling with a network node (402) and with an external device, receive from the network node (402) a first message according to the first wired communication protocol, and embed data from the first message into a second message configured according to a second wired communication protocol; and / or receive from the external device a second message configured according to the second wired communication protocol, and embed data from the second message into a first message configured according to the first wired communication protocol, wherein the second wired communication protocol is different from the first wired communication protocol.

The invention discloses an airborne universal serial communication bus receiving board card based on a MiniVPX architecture, and relates to the technical field of avionics testing. The problems of function solidification, framework limitation and the like generally existing in existing serial communication acquisition board cards and commercially available general products are solved. According to the board card, an FPGA (Field Programmable Gate Array) is adopted as a core controller, an RS-232 / 485 / 422 multi-protocol interface circuit module, an isolation power supply module and a PCIe (Peripheral Component Interconnect Express) high-speed communication module are integrated, and 77 * 110 * 11.5 mm compact packaging is realized through a MiniVPX standard. Three working modes are innovatively supported: a synchronous word / gaptime screening mechanism is provided in a UART (Universal Asynchronous Receiver / Transmitter) mode, NRZ and Manchester multi-code adaptive decoding is realized in a PCM (Pulse Code Modulation) mode, and self-defined frame format configuration is supported in a Manchester code signal mode with a synchronous head. The method is also suitable for the technical field of space constraint and high-density integration of avionics equipment.

The invention discloses a rapid decoding method suitable for multi-component serial port data, which can be used for rapid data analysis of an aircraft which is complex in composition and adopts serial port communication during joint test, semi-physical simulation and external field test, and improves the data analysis efficiency. The decoding method has the advantages of being easy to use, fast in decoding, convenient to analyze and the like. The decoding method is characterized by comprising the steps that a serial port data decoding protocol is set (only when software is used for the first time or a communication protocol needs to be changed); setting a path where the to-be-decoded serial port file is located; parameters such as data formats needing to be stored are set; and sequentially performing data reading and decoding on the serial port file needing to be decoded, and storing the decoded data. The decoding method has the characteristics of simplicity in use, rapidness in decoding, convenience in analysis and the like.