54results about How to "Save interface resources" patented technology

The invention discloses a teaching scientific-research experiment platform for a hardware-in-the-loop intelligent track and belongs to the technical field of mechanical electrical integration . In the invention, a supervisory computer software module in a computer is used for analyzing and processing status information of the track and gives control instructions to the track. The computer exchanges data with a communication system through a computer communication interface. The supervisory computer software module analyzes and extracts the status information of the track after receiving the status data frames of the car, and synthesizes the control instructions to form control instruction data frames before the supervisory software module dispatches the control instruction data frames. An intelligent track system carries various sensors and motion execution units of a track model. The information acquired by the sensors is synthesized into status data frames of the track and dispatches the status data frames to the communication system. After the intelligent track system receives and analyzes the control instruction data frames from the communication system, the smart track system extracts effective control instruction information, and outputs the control signals of a motor and a control actuator to control the motor and the control acutator. The invention can be used for simulation and demonstration of scientific research experiments.

The embodiment of the invention provides a microphone circuit, a system and a headset. The microphone circuit comprises a microphone chip and a signal conditioning circuit. The microphone chip is provided with a direct-current power input end, a first signal output end and a grounding end connected with the ground. The signal conditioning circuit is connected between the first signal output end and the ground to make an alternating-current signal access formed between the first signal output end and the ground, and is used for superposing a first analog audio signal output by the first signal output end to a direct-current power input signal of the direct-current power input end for output. According to the embodiment, the signal conditioning circuit capable of conducting alternating-current signals is arranged between the first signal output end of an original output analog audio signal and the ground, so that the analog signal output by the first signal output end is superposed to the direct-current power input signal of the direct-current power input end for output; as a result, output pins of the microphone circuit are reduced, and then operation space is provided for saving interface resources between microphone equipment and terminals.

The present invention provides a method for acquiring video data by using a camera mobile phone as a computer camera, which comprises: step A: the camera mobile phone is virtualized as a video-capturing device in a computer; step B: the mobile phone virtualized as the video-capturing device in step A is selected as current video-capturing device of the computer; step C: the computer sends a command for acquiring video data to the mobile phone selected as the current video-capturing device, and said mobile phone acquires video data according to the received command and transmits to the computer via wireless connection; and step D: the computer receives the video data transmitted from the mobile phone. The invention can achieve a resource sharing between the mobile phone and the computer, make full use of their functions, save the interface resource of the computer and enable the mobile phone to break down the capacity limitation during the acquisition of video data.

The embodiment of the invention discloses a method, a device and a system for detecting a switching problem. The method comprises the following steps that: a reconstructed base station receives a radio resource control (RRC) connection reconstruction request message from user equipment, wherein the RRC connection reconstruction request message carries reconstruction reasons; and the reconstructedbase station determines the corresponding switching problem of an fault base station is switching too late or early according to the reconstruction reasons carried by the RRC connection reconstruction request message, wherein the fault base station refers to the base station of a service cells from which the user equipment receives services before a radio link fails or is switched. In the embodiment of the invention, the specific reconstruction reasons are loaded in the original RRC connection reconstruction request message, and the switching problem of the fault base station is determined according to the reconstruction reasons, the information interaction between base stations is reduced, the interface resources between base stations are saved and the system performance is enhanced.

The invention discloses an electric vehicle high voltage circuit detection control device comprising a plurality of high voltage devices, a high voltage detection module, and an integral vehicle controller. The high voltage detection module is provided with a plurality of first ports and a second port, and is respectively connected with the plurality of high voltage devices by the plurality of first ports. The high voltage detection module is used for respectively detecting the plurality of high voltage devices, and is used for generating detection signals, and the detection signals comprise the detection results of the plurality of high voltage devices. The integral vehicle controller is connected with the second port of the high voltage detection module, and is used for receiving the detection signals, and is used for the control of the detection signals. The electric vehicle high voltage circuit detection control device can be used to detect the abnormal high voltage device accurately and timely, and therefore the safety performance of the electric vehicle can be improved, and the interface resources of the integral vehicle controller can be saved. The invention also discloses an electric vehicle high voltage circuit detection control method, and an electric vehicle.

A method for multiplexing clock and signaling includes generating reference frequency source information, system timing information and simplex signaling by main control clock board, multiplexing said information and signaling to be a serial data stream being transmitted on each service signal board, obtaining required information by each service single board according to serial data stream. The system for realizing the method consists of main control clock board, at least one service board, at least one physical bus for connecting said clock board to said service board.

The invention discloses a method and device for adjusting the sound volume of a buzzer, computing equipment and a computer storage medium. The method comprises the steps of acquiring a working frequency characteristic curve of the buzzer; setting a driving frequency of a driving circuit according to the working frequency characteristic curve; and enabling the driving circuit to drive the buzzer towork according to the driving frequency. Therefore, according to the scheme disclosed by the invention, the working frequency characteristic curve of the buzzer is utilized and the driving frequencyof the driving circuit of the buzzer is set according to the working frequency characteristic curve so as to achieve the beneficial effect that the sound volume of the buzzer is controlled only by adjusting the frequency of a PWM (Pulse Width Modulation) module instead of a duty ratio; moreover, only one triode and the PWM module are used, so that the circuit is simplified, the cost is reduced andthe probability of function disabling due to device damage of the buzzer is greatly lowered; furthermore, only one path of PWM module is output, so that the software design is simpler and the interface resource of the PWM module of a single chip is saved.

The invention discloses a processing method of a panel key signal and a processing circuit thereof. The processing method comprises the following steps: detecting the state of panel keys; transforming the state of the panel keys into a corresponding code signal; and finally reading and processing the code signal by utilizing a main processor. In the invention, the panel key signal is processed by adopting the processing method and the processing circuit of the invention, thus solving the defects in the prior art that the keys on the control panel of a household appliance product occupy more resources of a main processor interface and a main circuit board requires to be changed when the number of the keys changes.

The invention relates to the field of communication technologies, in particular to a method of displaying a video list and a video client. The method of displaying the video list and the video client solve the problems that when the video list has videos with the same title names and different contents, the required version is determined through playing the videos, a play program needs to be rerun after playing the video each time, so that a terminal of a video client probably needs to consume more processing resources to play the video which is expected by a user in the prior art. According to the embodiment of the invention, video titles comprise picture information used for describing the videos and character title information of the videos, when the video list has the videos with the same title names and different contents, the version of one video is determined through the picture information in each video title, so that the user can obtain the expected video without playing for many times, the running time of the play program is reduced, and the processing resources of the terminal are saved.

The present invention discloses a video collection method, related device and system. In the technical scheme, the video collection method, related device and system can select other terminals having the video collection capacity satisfying a setting video collection capacity requirement to take as a collection terminal for collection of video data based on the obtained video collection capacity of other terminals establishing the session connection with the terminal device which launches a video collection request so as to solve the problems that the video collection devices selected through the current video collection mode is fixed and the real requirement of an application scene cannot be better satisfied to result to have a low video capture effect. The video application experience of a user is improved, and moreover, the effects of saving the interface resource of a terminal device which launches the video collection request, improving the utilization rate of the device and improving the flexibility of device selection are achieved..

The invention discloses a computing equipment expanding system and expanding method. The computing equipment expanding system comprises a main computing unit, an expanding computing unit and a memory, wherein the main computing unit comprises a first main function module and a first interconnection interface controller, the expanding computing unit comprises a second main function module and a second interconnection interface controller, the first interconnection interface controller and the second interconnection interface controller respectively provide interconnection memory interfaces so that the main computing unit is connected to the expanding computing unit through a first memory bus, and the first interconnection interface controller is reused as a memory controller. The computing equipment expanding system has the advantages that the first interconnection interface controller is reused as the memory controller, the interface resource of the main computing unit can be saved, and the PCB (printed circuit board) wiring is simplified.

The invention relates to a photovoltaic inverter multi-channel input reverse connection detection circuit with the self-diagnostic function. The photovoltaic inverter multi-channel input reverse connection detection circuit with the self-diagnostic function comprises a photoelectric coupler, a resistor R1, a resistor R2, a resistor R3 and a light emitting diode. In a multi-channel independent solar cell input system, through the photovoltaic inverter multi-channel input reverse connection detection circuit, just one detection port needs to be used by a control chip so that the reverse connection state of any channel of multi-channel solar cell input, the resource of connectors is saved, cost is lowered effectively, and the photovoltaic inverter multi-channel input reverse connection detection circuit can diagnose whether normal work can be carried out in a self-diagnostic mode.

The invention discloses a method for designing USB (universal serial bus) keyboard and mouse combination equipment. The method comprises the following steps of converting received PS / 2 signals into I2C signals through a CPLD (complex programmable logic device); transmitting the signals to F340; transmitting the signals to an upper computer through an interface of the F340; acquiring key signals of a keyboard in a matrix scanning mode; and uploading the acquired signals to the upper computer through a USB2.0 interface of the F340 so that the keyboard and a mouse share an interface. Compared with the prior art, the method for designing the USB keyboard and mouse combination equipment has the advantages that the mouse and the keyboard share the interface under the condition that interface resources are insufficient; and functions of the independent keyboard are improved. The problem that a system cannot be operated flexibly under the condition that the upper computer only has the keyboard but does not have the mouse is solved; and moreover, interface resources of the system are saved. Under the condition that interfaces are limited, 50% interface resources of the USB keyboard and mouse combination equipment can be saved by the method.

The invention provides a logic device configuration method and device, wherein the method comprises the following steps: an appointed universal input / output GPIO sends an address signal to a logic device, wherein the address signal is used for indicating the address of the logic device; and, after the GPIO sends the address signal to the logic device, the same appointed GPIO sends a data signal used for being written in the logic device to the logic device. By means of the logic device configuration method and device disclosed by the invention, the problems that a specific access interface needs to be used in a logic device configuration process and a design circuit is complex in the related technology can be solved; therefore, requirements of an interface provided by a CPU are low; and thus, interface resources are saved.

The invention provides a system for burning a baseband chip in a double chip scheme. The system comprises electronic terminal equipment for executing a data burning function, the baseband chip and a multimedia chip, wherein the baseband chip is connected with the multimedia chip by virtue of a serial port, the multimedia chip is connected with the electronic terminal equipment by virtue of CDC (Control Data Corp) USB (universal serial bus) connector equipment virtualized to a serial port, and the multimedia chip is used for receiving and transmitting burning data from the electronic terminal equipment. The invention also discloses a method for burning the baseband chip in the double chip scheme. The system and the method can be used for reserving at least two serial ports in a baseband chip burning process.

The invention provides a multifunctional communication interface which comprises a 2.4G wireless transceiver and a control unit. The control unit comprises a match code recognition module, a channel selection module, a signal conversion module used for converting a RF (Radio Frequency) signal into an infrared signal and generating a PWM (Pulse Width Modulation) signal and a communication module. The 2.4G wireless transceiver is connected with the match code recognition module of the control unit; the match code recognition module is connected with the channel selection module; the signal conversion module receives information sent by the channel selection module and sends the information to a smart TV motherboard; a TCON sends a signal to the signal conversion module; and the signal conversion module outputs the signal to a backlight drive module. Through communication between the multifunctional communication interface and a TV main chip, communication between a smart remote controller, a touch and talk pen as well as a pair of 3D glasses and the TV is realized through one communication interface, and the problem of separate communication of multiple communication modules is solved.

The embodiment of the invention provides a decoder and a decoding method, relates to the field of information processing, and provides a decoding mechanism capable of improving the throughput rate of the decoder, fully utilizing the processing space of the decoder and saving the bus control resources. The method comprises the following specific steps: after acquiring at least one decoding block, preprocessing each decoding code according to the characteristic parameter of each decoding block of the at least one decoding block, acquiring the decoding sequence of each decoding block, respectively inputting each decoding block into a decoding core, which is corresponding to the decoding sequence, in at least two decoding core according to the decoding sequence, respectively decoding the received decoding block by virtue of the decoding cores according to the decoding sequence, and outputting decoded data according to the decoding sequence. The embodiment of the invention is used for decoding Turbo codes.

The key ideal of the invention comprises: setting different protocol identifiers for different signaling systems; the sending end sends a message and the protocol identifier corresponding to said message to the receiving end; according to the received identifier the receiving end determines a signaling system protocol corresponding to said protocol identifier. By the invention, the messages using different signaling protocols can be transported through one transmission port so as to avoid using different ports to transport different protocol messages.

The invention discloses an underwater dedicated double-redundant switching circuit which comprises a connection terminal P2 for receiving a signal, a connection terminal P3 for receiving an MCU control signal, a connection terminal P4 for connecting a main device, a connection terminal P1 for connecting a slave device, an optocoupler U1, a transistor Q1, a plurality of relays, and a power supply terminal for providing working power supply. The relays include signal input common ends and normally open ports and normally closed ports for outputting reception signals of the signal input common ends, the connection terminal P2 is connected to signal input common terminals, the normally closed ports are connected to one of the connection terminal P4 and the connection terminal P1, and the normally open ports are connected to the other connection terminal. The cost and interface resources can be saved for the device, one control signal can control multiple signals to be switched at the sametime, and the underwater dedicated double-redundant switching circuit is fast and efficient and has good reliability and applicability.

The embodiment of the invention provides a card in-place detection device. The device comprises a conversion module and a control module, wherein the conversion module is provided with a plurality ofinput ends, and the plurality of input ends of the conversion module are connected with a plurality of in-place signal ends of a card in a one-to-one correspondence manner when the card is inserted; the output end of the conversion module is connected with the in-place detection end of the control module; and the conversion module is used for outputting an in-place indication signal to an in-placedetection end of the control module when at least one specified level signal exists in the signals of the in-place signal ends. According to the embodiment of the invention, the conversion module canoutput one in-place indication signal to the control module when at least one specified level signal exists in the input signals of the plurality of in-place signal ends, so that the control module can realize the card in-place detection only by occupying one in-place detection end of the control module, and the interface resources of the control module can be saved.

The invention discloses a portable mobile medical terminal and a medical communication system. The portable mobile medical terminal comprises a first main board and a second main board; the first mainboard comprises a first processor where at least a first operating system runs; the second main board comprises a second processor where a second operating system runs; the second main board is integrated with at least an Internet of Things communication module; the Internet of Things communication module is used for reading data of doctors and patients in an Internet of Things device; and the first main board and the second main board are communicated through a first communication interface. By adoption of the scheme, the running robustness of the portable mobile medical terminal can be improved.

The embodiment of the invention provides a backboard, a hard disk pool, a server and a communication method. The backboard comprises a plurality of standard backboards which are connected with the same communication bus interface of a controller and are cascaded in series, and the standard backboards are used for generating address information corresponding to the standard backboards when address generation signals are input into first ports. The address information is used for indicating the controller to communicate with the standard backboard through the communication bus interface, and is also used for updating an address generation signal and sending the updated address generation signal to the next-level standard backboard through the second port so as to indicate the next-level standard backboard to generate corresponding address information; and communicating with the controller through the corresponding address information. According to the backboard provided by the embodiment of the invention, a plurality of standard backboards are connected to the same communication bus interface, and corresponding address information is configured for different standard backboards for distinguishing, so valuable interface resources are saved on the premise of realizing flexible configuration.

The invention discloses a boundary scan bridge, a load system and relative method, which can solve the problems that the load speed, load resource and load stability can not be both best. The inventive load system comprises: a boundary scan bus; a boundary scan test bus controller that connected to said boundary scan bus; loaded memory; and a boundary scan bridge, which is connected to the loaded memory via internal IO interface and connected to the JTAG bus.

The invention relates to an interface calling method and device, a computer readable storage medium and computer equipment. The method comprises the steps: determining an interface calling link corresponding to a received service request; acquiring state information of each interface in the interface calling link; calculating the calling success probability of the corresponding interface accordingto the state information; when the calling success probability of each interface is greater than a threshold, calling the interface in the interface calling link to respond to the service request. According to the scheme provided by the invention, invalid interface calling overhead can be reduced, and interface resources are saved.

The invention discloses a convergence method and exchange to realize VLAN, which comprises the following steps: setting corresponding relationship of different user side VLAN and network side VLAN; receiving the first report from user through user side VLAN for convergence exchange; sending the first report to gateway equipment through user side VLAN according to the set corresponding relationship; accepting the second report through network side VLAN for convergence exchange; sending the second report to corresponding user through user side VLAN according to set corresponding relationship and MAC address with carrying goal in the second report. The invention can proceed report transmission between convergence switch and gateway equipment through the same network side VLAN, which realizes VLAN convergence to save VLAN resource.

The invention discloses a plant equipment state characteristic signal monitoring system. The system comprises a characteristic signal sensing unit, a signal transmitter, a PLC, a DCS information acquisition cabinet and a main control room monitoring platform. The characteristic signal sensing unit is used for collecting various characteristic signals of the plant equipment state. The signal transmitter is respectively connected with the characteristic signal sensing unit and the PLC, and is used for receiving the characteristic signal acquired by the characteristic signal sensing unit, converting the characteristic signal into a physical quantity characteristic signal and sending the physical quantity characteristic signal to the PLC through a communication protocol. The PLC is connected with the DCS information acquisition cabinet and is used for sorting the received signals and sending the sorted signals to the DCS information acquisition cabinet. The DCS information acquisition cabinet is connected with the main control room monitoring platform and is used for transmitting the sorted signals to the main control room monitoring platform. According to the system, DCS interface resources can be saved, so that the hardware cost and the construction difficulty of factory building are reduced.

The invention provides system debugging method and system of a positive-impedance converter (PIC) controller. The system debugging method of the PIC controller comprises the steps of: carrying out system programming on the PIC controller through a programming interface of the PIC controller to enable at least two interfaces of the PIC controller to be used as communication interfaces; and carrying out system debugging on the PIC controller through the communication interfaces of the PIC controller. The invention improves the interface utilization ratio of the PIC controller, reduces the required interface resources, and is beneficial to the popularization of debugging codes.