41 results about "Manchester code" patented technology

A device may receive signaling that includes a preamble having a first subset of bits of the set of bits and a payload having a second subset of bits. In some examples, the second subset of bits may be encoded according to a Manchester encoding scheme. The second subset of bits may include fewer bits than the first subset of bits. In some examples, less than a threshold quantity of bits of the first subset of bits includes a same bit value, and each bit of the threshold quantity of bits is consecutive. The device may detect the preamble of the received signaling, and decode the payload of the received signaling including the second subset of bits (e.g., Manchester encoded subset of bits) in response to the detected preamble of the received signaling.

A device may receive signaling that includes a preamble having a first subset of bits of the set of bits and a payload having a second subset of bits. In some examples, the second subset of bits may be encoded according to a Manchester encoding scheme. The second subset of bits may include fewer bits than the first subset of bits. In some examples, less than a threshold quantity of bits of the first subset of bits includes a same bit value, and each bit of the threshold quantity of bits is consecutive. The device may detect the preamble of the received signaling, and decode the payload of the received signaling including the second subset of bits (e.g., Manchester encoded subset of bits) in response to the detected preamble of the received signaling.

Systems and methods for controlling valve actuators are provided. The system includes an interface circuit in electrical communication with a wiring connection from a pool / spa control system, and a processor in communication with the interface circuit. The interface circuit extracts a plurality of encoded bits transmitted to the interface circuit from the pool / spa control system over the wiring connection. The plurality of encoded bits could include Manchester-encoded bits that are encoded by the pool / spa control system by altering signals transmitted to the interface circuit over the wiring connection. The processor receives the plurality of encoded bits from the interface circuit and processes the plurality of encoded bits into a control command for controlling operation of the valve actuator. When a valid control command has been generated, the processor executes the control command to operate the valve actuator in accordance with the control command.

The invention relates to the technical field of PSI5 interfaces, and discloses a PSI5 interface circuit, which comprises a current-to-voltage unit, a switch unit, a threshold voltage generation unit, a comparator COMP and a logic control unit, during normal use, the current-to-voltage conversion unit, the threshold voltage generation unit, the comparator COMP and the logic control unit correctly convert sensor Manchester encoding current data conforming to a PSI5 protocol range, namely current flowing through the switch unit, into digital signals, and the digital signals are output signals of the comparator COMP; on the basis, after an open circuit or short circuit fault is removed, the output end of the comparator COMP may output a high-level signal for a long time, and at the moment, the logic control unit controls the threshold voltage output by the threshold voltage generation unit, so that the output end of the comparator COMP outputs a low-level signal; normal tracking of current and self-recovery of data are realized.

The application provides an LED display control system and method, and relates to the technical field of LED display, and comprises the following steps: a daisy chain topology structure is formed by directly connecting a sending device and multiple receiving devices through a DP cable; an auxiliary signal interface circuit is arranged in the sending device and each receiving device; an AC coupling connection structure is adopted between the auxiliary signal interface circuit and an auxiliary channel differential line pair, and pull-up and pull-down resistors configured in a standard DP interface are removed; the system is configured to transmit auxiliary signals in the daisy chain topology structure by using the auxiliary channel differential line pair, and a Manchester coding mode is adopted when the auxiliary signals are transmitted, so that a transmission rate of greater than or equal to 100 Mbps can be supported. The technical scheme of the application achieves the effects of simplifying wiring and improving backhaul efficiency.

The application belongs to the field of chip interconnection communication, and particularly discloses a chip interconnection communication method and system based on Manchester coding, which comprises the following steps: a master control device generates and sends a communication frame, the physical layer of which adopts Manchester coding, logic 1 is high-to-low transition, and logic 0 is low-to-high transition, and the frame start / end is defined by a specific high-low level sequence; the data link layer of the communication frame comprises a synchronization code, an address field, a control field, a data field and an end code, the control field comprises pin intervals and quantity identification, and a clock is sent simultaneously to synchronize the slave device; the slave device decodes the received signal, determines the target pin range according to the identification when the address is matched, and sets the pin level according to the data field. The application improves the communication rate and efficiency, simplifies the wiring, and adapts to the chip interconnection requirements in multiple scenes.

The application discloses a tire monitoring method, comprising: in a first running state of a vehicle, detecting tire data by using a first detection frequency corresponding to the first running state; and sending the tire data to the vehicle by using a first sending frequency corresponding to the first running state based on a preset protocol, wherein an encoding mode of the preset protocol is differential Manchester encoding, and a check mode is CRC16. The application also discloses a tire monitoring system, equipment and a storage medium. The application realizes tire monitoring of the vehicle by transmitting vehicle tire data through a communication protocol comprising a specific encoding mode and a check mode, so that the tire data is not easy to be cracked in the transmission process, the anti-interference and intelligence of the tire data are improved, the power consumption is reduced, and the efficiency and accuracy of the tire data transmission are improved.

The invention provides a cloth paving machine edge alignment method and system, electronic equipment and a medium, and the method comprises the steps: transmitting Manchester encoded pulse waves to a sensor array, and receiving a plurality of level signals fed back by the sensor array; acquiring pulse information according to the level signal, wherein the pulse information comprises the pulse length, the number and the position of a corresponding sensor; and analyzing and processing the pulse information to obtain the position and the inclination angle of the cloth. According to the cloth paving machine edge alignment method, the accurate position and the inclination angle of the cloth can be automatically obtained, and real-time control over the cloth paving machine in the cloth paving process is facilitated.

A control panel for a fire alarm system includes a microprocessor operable to send and receive data. The microprocessor has a serial peripheral interface with a master port and a slave port. A computing device has a Differential Manchester encoder configured to encode data received from the master port and a Differential Manchester decoder configured to decode frames and send the decoded data to the slave port. A method of sending and receiving data is also disclosed.

The application discloses a Manchester decoding method and device and a battery management system applying the same. The Manchester decoding method comprises the following steps: obtaining a reference pulse width according to a synchronization code in Manchester coding; obtaining each first pulse width and each second pulse width according to data codes in the Manchester coding, wherein the first pulse width and the second pulse width are respectively used for representing the width between adjacent rising edges and the width between adjacent falling edges in the data codes; comparing the first pulse width and the second pulse width with the reference pulse width; and when the first pulse width or the second pulse width is greater than the reference pulse width, judging that the logic of two adjacent code elements corresponding to the first pulse width or the second pulse width is different, so as to decode the data codes. The Manchester decoding method in the application can well deal with the pulse width distortion of the signal received by the receiving end under the application condition of long-distance isolated communication, and the error code rate is small.

Methods, systems, and devices for wireless communications are described in which a configuration of a wake-up signal (WUS), synchronization signal (SS), or both, may be selected based on one or more conditions at a user equipment (UE) that is to receive the signal. The configuration of the WUS, the SS, or both, may indicate a value (M) that corresponds to a quantity of bits per duration of time, such as per orthogonal frequency division multiplexing (OFDM) symbol duration. The configuration may also indicate whether an associated signal is transmitted with or without Manchester coding. In some implementations, a UE may transmit an indication of a requested or preferred configuration for a WUS or SS, and may be configured in accordance with the requested configuration.

The invention discloses a multi-rate controllable 1553 bus controller module, which belongs to the field of avionics and data buses and comprises a 1553 protocol processing module, a Manchester encoder, a Manchester decoder, a sending channel, a receiving channel and an internal clock management unit. The internal clock management unit generates a core clock signal corresponding to a target communication rate according to a signal input by the external rate control pin; and the Manchester encoder / decoder performs data encoding and decoding by using the core clock signal, so that the adjustable switching of the communication rate among 1Mbps, 2Mbps and 4Mbps is realized. Flexible configuration of the communication rate is achieved through hardware pin control, the problems that a traditional 1553 controller is fixed in rate and lack of flexibility are solved, and the controller has the advantages of being high in compatibility, low in cost and high in integration degree.

This invention relates to the field of DC power supply and lighting control technology, specifically to a communication method and protocol for DC lighting. It utilizes a rapid output voltage adjustment mechanism within the DC lighting control cabinet, switching between high and low voltages to transmit signals. The high level represents the standard DC bus voltage, while the low level represents the standard voltage reduced by 10V. Manchester encoding is used to encode and transmit information between the high and low levels, ensuring the bus voltage remains high during normal system operation. This invention defines a complete communication frame structure, including a start bit, function code, mode code, partition code, data code, and check code, and specifies the control modes corresponding to different function codes. This communication scheme eliminates the need for additional communication lines, enabling intelligent control of the lighting system using existing DC power supply lines. It offers advantages such as low cost, high reliability, and strong compatibility, and can be widely applied to DC lighting systems in subway stations, shopping malls, office buildings, and other similar locations.

The invention discloses a vehicle control method and device, equipment and a storage medium, and relates to the technical field of vehicle control, and the method comprises the steps: receiving a target control instruction for any vehicle-mounted part in a target vehicle through a control unit; according to a first transcoding rule, transcoding the target control instruction from a non-return-to-zero level code format to an instruction in a Manchester encoding format to obtain a transcoded control instruction; the first transcoding rule is to transcode a bit corresponding to a high level in the non-return-to-zero level code into a double bit corresponding to jumping from a low level to the high level in a single bit period in Manchester encoding; transcoding a bit corresponding to a low level in the non-return-to-zero level code into a double bit corresponding to jumping from a high level to the low level in a single bit period in Manchester encoding; and the universal asynchronous transceiver forwards the transcoded control instruction to a corresponding vehicle-mounted part so as to control the vehicle-mounted part to execute a corresponding instruction operation. According to the invention, the vehicle control cost can be saved, and the vehicle control efficiency is improved.

The invention belongs to the technical field of computer interfaces, and particularly relates to a high-speed serialization implementation method based on a processor parallel bus. The method comprises the steps that 1, in the write operation process of a monitoring branch processor, a monitoring branch FPGA generates a high-speed clock, when the processor initiates a write command, serial addresses and data are converted into Manchester codes, and the coded addresses and data are sent to an instruction branch FPGA through data lines; 2, in the read operation process of the monitoring branch processor, after an instruction receiving module of the instruction branch FPGA receives the address, data to be sent are uniformly arranged on a plurality of receiving data lines in a serial mode, and then the data to be sent are converted into Manchester codes through an encoding module and then sent to the monitoring branch FPGA.

Vehicle interior lighting system (1) with an arrangement of RGB LED units controlled by a computer unit, characterized in that a driver circuit (3) with a Manchester codec (5) is assigned to each predetermined number of RGB LED units, that the driver circuits (3) are connected to the computer units in a series circuit, that a signal sent by the computer unit is converted into a Manchester-coded signal in a first driver circuit (3) directly connected to the computer unit, and the further driver circuits (3) send and receive Manchester-coded signals, and that, depending on a calibration of the RGB LED units, control signals for the assigned RGB LED units are generated in each driver circuit (3) so that they emit light within a target color space.

The invention provides a field bus data receiving and decoding method, and relates to the technical field of data processing. The method comprises the following steps: receiving petrochemical field bus data in real time, and further determining a lead code, a start delimiter, an end delimiter and effective data in sequence; the Manchester decoding module is used for performing Manchester decoding on valid data, sending the decoded data to the UART interface of the single chip microcomputer, performing Manchester encoding on the data received by the UART, and outputting the data to the field bus MAU interface through the SPI interface of the single chip microcomputer. According to the invention, the current situation that the development of the communication interface of the field bus transmitter needs to depend on a special field bus communication controller chip is solved, and meanwhile, two field buses, namely a foundation field bus and a PROFIBUS PA, are compatible. A hardware interface is simplified based on the unvarnished transmission function of the UART, a complex memory bus interface is not needed, user type selection of a single-chip microcomputer is facilitated, the development difficulty of a field bus transmitter can be reduced, and the cost and product miniaturization are further reduced.

This invention discloses an integrated sensing, driving, and control system and method for micro-nano robots based on an optical communication protocol. The system includes a control module and connected optical communication, multimodal sensing, driving, and power management modules. The optical communication module uses a preset protocol to achieve bidirectional conversion between optical and electrical signals. The downlink uses PWM encoding and near-infrared light, while the uplink uses Manchester encoding and blue light. The multimodal sensing module integrates multiple sensors, and the sampling parameters are dynamically configured by the control module. The driving module converts control commands into PWM signals to precisely drive micro-actuators. The power management module switches between working and sleep modes according to commands. The control module is responsible for command decoding and system scheduling. This system achieves efficient collaboration of communication, sensing, driving, and control on a single chip, featuring high integration, reliable communication, low latency, and low power consumption. It provides a core technology solution for the application of micro-nano robots in complex environments such as biomedicine and environmental monitoring.

According to the MCU-based PSI5 sensor data simulation test system and method, the circuit is simple, the cost is low, data signals of a PSI5 sensor can be rapidly simulated, and then test and development of an automobile safety air bag control system are effectively supported; the system comprises a synchronization pulse voltage reduction module which is connected with a PSI5 bus interface and is used for reducing the voltage of a PSI5 synchronization pulse output by the PSI5 bus interface; the explicit and implicit level modulation module is connected with the PSI5 bus interface and is used for realizing explicit and implicit level modulation of a PSI5 bus and transmitting a modulated level signal to the PSI5 bus interface; and the MCU processing module is connected with the synchronization pulse voltage reduction module and the explicit-implicit level modulation module, and is used for outputting a Manchester code modulation waveform to the explicit-implicit level modulation module after recognizing the PSI5 synchronization pulse subjected to voltage reduction processing.

This invention discloses a decoding method, apparatus, module, and computer-readable storage medium. The decoding method includes obtaining an initial symbol period and calculating a sampling interval based on the initial symbol period. It involves sampling the transition edges of the encoded data within the sampling interval, calculating the actual symbol period based on the sampling interval, updating the value of the sampling interval based on the actual symbol period, and continuing to sample the transition edges of the encoded data within the updated sampling interval. Finally, it involves decoding the encoded data based on the sampling results. The decoding method, apparatus, module, and computer-readable storage medium of this invention can dynamically adjust the sampling interval for each symbol. For Manchester encoding affected by noise, even when the period is inaccurate or the duty cycle is not 50%, it can still successfully identify symbols, improving the decoding success rate.

The application provides a kind of optical module manchester code processing method, system and single-chip microcomputer, belongs to data processing technical field.The method comprises: the analog-digital converter receives to be processed manchester code;The analog-digital converter oversamples to the manchester code to be processed, obtains the processed manchester code of preset bit number;The analog-digital converter writes the processed manchester code into the memory;The processing unit reads N in the memory The processed manchester code, wherein N is positive integer;The processing unit calculates the eigenvalue of N The processed manchester code;The processing unit determines the binary signal corresponding to N The processed manchester code according to the eigenvalue respectively;The processing unit determines decoding information according to each binary signal.The method of the application solves the problem that the accuracy of the processing process of single-chip microcomputer on manchester code is low.

The invention discloses a synchronous pulse-based sensor clock calibration method, which comprises the following steps that: a sensor receives a first synchronous pulse sent by a main control unit, and records the baud rate of a data frame returned by the sensor at a T2 moment as B0; the sensor receives a second synchronization pulse sent by the main control unit, and calculates the frequency ratio D1 of the sensor clock to the main control unit clock, wherein D1 = M0 / M1; calibrating a data frame return moment T2 and obtaining T2 '; calibrating the baud rate B0 and obtaining B0 '; and the sensor starts to return a data frame at the Baud rate B0'at the moment T2 ', and calibration is ended. According to the scheme, the actual count value M1 in the interval of two adjacent synchronization pulses is recorded in real time through the sensors, the clock skew of the sensors relative to the main control unit is corrected, time synchronization with the main control unit is achieved, the sensors are made to return data frames at the accurate moment, and the consistency of Manchester code baud rate double-end cognition is guaranteed.

Methods, systems, and devices for wireless communications are described in which a configuration of a wake-up signal (WUS), synchronization signal (SS), or both, may be selected based on one or more conditions at a user equipment (UE) that is to receive the signal. The configuration of the WUS, the SS, or both, may indicate a value (M) that corresponds to a quantity of bits per duration of time, such as per orthogonal frequency division multiplexing (OFDM) symbol duration. The configuration may also indicate whether an associated signal is transmitted with or without Manchester coding. In some implementations, a UE may transmit an indication of a requested or preferred configuration for a WUS or SS, and may be configured in accordance with the requested configuration.

The invention discloses a Manchester code efficient decoding method for an electromagnetic flaw detection logger, which comprises the following steps: step 1, Manchester code single-ended signal acquisition and underground pretreatment, step 2, single-ended signal conditioning, step 3, double-edge interruption triggering and composite synchronous head identification, step 4, pulse width timing recording, and step 5, pulse width decoding. Step 6, decoding based on pulse width; step 6, verifying and outputting decoded data; by adopting a double-edge triggering interruption mode, interruption can be triggered at the rising edge and the falling edge of a Manchester code single-end signal, and compared with traditional single-edge triggering interruption, the interruption waiting time is shortened. Meanwhile, the pulse width is recorded in real time through the timer module, decoding is directly carried out based on the pulse width, complex clock synchronization and signal sampling processing processes are not needed, the decoding process is greatly simplified, the decoding efficiency is effectively improved, and the requirement of electromagnetic flaw detection logging operation for data real-time processing can be met.

The invention discloses a multi-mode intelligent switching bus connection method and system. According to the invention, all nodes on a communication link can be switched in a full-bus mode, a full-hand-in-hand series connection mode and a hybrid connection mode; according to the bus mode, nodes are hung on a bus, and when the distance of a whole communication link is long, a low transmission rate needs to be used; according to the hand-in-hand series connection mode, two front and rear communication interfaces of each node are connected end to end, data are transmitted to a target node through each node in sequence, each node has the functions of communication state self-diagnosis and bypass switching when a fault occurs, and the problem that the whole communication link is disconnected due to the fault of a series connection type single node is solved. According to the multi-mode intelligent switching bus, the problem of contradiction between long-distance transmission and high-speed transmission of communication modes such as CAN, RS485 and Manchester codes is effectively solved, meanwhile, the problem that a communication link is disconnected due to failure of a single node is effectively avoided, and an optimal scheme is provided for the communication modes such as the long-distance and high-speed CAN, RS485 and Manchester codes.

A kind of manchester decoding method based on timing offset algorithm, including filtering module, signal waveform conversion module and manchester decoding module, the timing offset algorithm is implemented in manchester decoding module;After input signal passes through filtering module and removes interference signal, signal waveform is converted into baseband signal waveform by signal waveform conversion module, then is sent into manchester decoding module, microprocessor in manchester decoding module starts reading signal by external interrupt, while reading signal, real-time baseband signal pulse width is calculated using timing offset algorithm, according to the calculation result, the timer initial value of the collected baseband signal is revalued, the dynamic adjustment of microprocessor to baseband signal acquisition frequency is realized, finally, according to manchester encoding format, the collected baseband signal is decoded to obtain the final decoding data.The present application improves decoding speed, accuracy and environmental adaptability.

The invention provides a modulation and demodulation communication method based on PSI5, which relates to the technical field of PSI5 communication, and comprises the following steps: carrying out current modulation on an original current according to a PSI5 standard; dynamically optimizing modulation parameters of the modulation current; overlapping low-frequency voltage ripples on the power line; the ripple frequency in the double-domain composite signal is detected, and offset operation is carried out on a jump point through dynamic Manchester encoding optimization; according to the reflection waveform of the PSI5 bus, the bus impedance mismatch degree is calculated, and impedance matching is dynamically adjusted. According to the method, the modulation parameters of the modulation current are dynamically optimized based on the CRISPR gene editing principle, so that the system has the capability of self-adaption to environmental noise, the bit error rate in a complex electromagnetic interference scene is greatly reduced, and the order of magnitude of the anti-interference capability is improved; in combination with a double-domain composite signal and a dynamic Manchester encoding offset technology, intelligent avoidance of jump points is realized through noise frequency sensing, signal distortion is effectively suppressed, and the signal-to-noise ratio is improved.

The invention belongs to the field of chip interconnection communication, and particularly discloses a chip interconnection communication method and system based on Manchester encoding, and the method comprises the steps that main control equipment generates and transmits a communication frame, a physical layer of the communication frame adopts Manchester encoding, logic 1 jumps from high to low, logic 0 jumps from low to high, and logic 0 jumps from high to low; the start / end of the frame is defined by a specific high-low level sequence; the communication frame data link layer comprises a synchronization code, an address field, a control field, a data field and an end code, the control field comprises a pin interval and a number identifier, and meanwhile, a channel associated clock is sent to be synchronized by slave equipment; the slave device receives the signal and then decodes the signal, determines the target pin range according to the identifier when the address is matched, and sets the pin level according to the data field. According to the invention, the communication rate and efficiency are improved, wiring is simplified, and multi-scene chip interconnection requirements are met.

A sensor arrangement (101) for a controlled mechanical device (190), such as a rotating device, is disclosed. A logic module (141) of the arrangement (101) is configured to process sensor input (1601) and to pass Manchester encoded data (1701) determined by processing the sensor input (1601) to a communication module (131). The communication module (131), configured for wired communication of binary data, is further configured to: transmit differential Manchester encoded data (180) onto a wired interface (150), the differential Manchester encoded data (180) being based on the Manchester encoded data (1701) from the logic module (141); and receive a differential signal (180) from the wired interface (150).