34 results about "Multi media card" patented technology

The embodiment of the invention discloses a log write-in control method and device, equipment and a storage medium, applied to electronic equipment, the electronic equipment comprises an embedded multimedia card eMMC, the method comprises the steps that target parameters are acquired, the target parameters comprise health parameters and / or system load data of the eMMC, and the health parameters of the eMMC and / or the system load data of the eMMC are acquired; the health parameters comprise at least one of erasing times, bad block rate and current temperature, and the system load data comprise at least one of central processing unit (CPU) utilization rate and direct memory access (DMA) queue depth; calculating a target storage pressure index SPI based on the target parameter; and according to a mapping relation between a preset SPI range and a preset log level, a target log corresponding to the target log level is written into the eMMC, and the target log level is the log level corresponding to the target SPI. Loss of storage space can be reduced, and the service life of a memory device is prolonged.

The invention provides a performance testing method, device and equipment for an embedded multimedia card and a storage medium, and relates to the technical field of storage testing, and the method comprises the following steps: carrying out benchmark testing on the embedded multimedia card to obtain benchmark performance data; dynamically adjusting a power supply according to the reference performance data during read-write operation of the embedded multimedia card to obtain test performance data of different adjustment strategies; analyzing response performance of a power-off notification mechanism function of the embedded multimedia card according to the test performance data to obtain performance analysis results of different adjustment strategies; optimizing a power-off notification mechanism of the embedded multimedia card according to a performance analysis result; and testing the optimized embedded multimedia card under various power supply fluctuation conditions to obtain a performance test report. Test conditions and parameters are dynamically adjusted according to real-time feedback, and a power management and data transmission mechanism of the embedded multimedia card is optimized, so that the response time of a power-off notification mechanism is shortened.

The embodiment of the invention provides a method for optimizing NAND flash memory data retention capability, electronic equipment and a computer readable storage medium. The method comprises the following steps: determining detection time under the condition that the embedded multimedia card is switched from a working state to a dormant state; under the condition that the detection time reaches a preset time threshold value, detecting an error correction code (ECC) of the firmware program; under the condition that the ECC reaches a preset detection threshold value, the detection temperature is obtained; and according to the detection temperature and the preset temperature scene division information, controlling the firmware program to carry out refreshing processing or keep the firmware program unchanged. According to the scheme of the embodiment of the invention, the firmware program can be updated in combination with the detection time and the detection temperature, and the data retention capability of the NAND flash memory is improved, so that the accuracy of subsequent data reading can be well improved.

The invention discloses a high-speed parallel EMMC (Embedded Multi Media Card) test method and system. The method comprises the following steps: generating a test script; the test script comprises the steps of generating a protocol setting instruction based on an interface protocol type of the to-be-tested EMMC, generating a test command based on a test item type of the to-be-tested EMMC, and setting a test ending condition; based on the test script, testing a plurality of to-be-tested EMMCs in parallel through a plurality of test daughter boards comprising multiple channels, and collecting test parameters in real time; wherein different test items of each to-be-tested EMMC are tested according to a preset sequence; in the testing process, follow-up testing is adjusted based on testing parameters collected in real time and a preset optimization rule; and for each tested EMMC, when it is judged that a test ending condition is met, ending the test, returning a test result, analyzing the test result and outputting a test report. Through the automatic optimization strategy and the parallel test, the test efficiency can be improved, and the labor dependence and the test cost can be reduced.

The embodiment of the invention provides a health state dynamic monitoring method and device of eMMC equipment. In the embodiment of the invention, whether the log needs to be reported or not is determined based on the current residual life of the eMMC equipment and / or the reserved block of the eMMC equipment, so that the condition that irrelevant or unimportant logs are frequently reported is reduced, and the log level of the log is determined when the log needs to be reported, so that the log reporting efficiency is improved. In this way, grading of different types of logs can facilitate subsequent targeted log analysis, and it is guaranteed that key logs, namely logs with high grades, can be analyzed and processed in time. On the basis, the logs are analyzed according to the log levels of the logs and the sequence of the priorities of the log levels so as to monitor the health state of the eMMC equipment, so that dynamic monitoring of the health state of the eMMC equipment is achieved, and the high-level logs can be preferentially analyzed on the basis of the log levels so that key problems can be found in time; therefore, measures can be taken in time in advance.

Ventilator (1) with at least a sensor for detecting at least one parameter of a breathing gas, a control device for specifying settings, a storage unit a control unit connected to the storage unit, a first computer program product for implementing the settings taking into account a specification and a second computer program product that regulates data transfer to and from the control unit via at least one interface (8); wherein the ventilator (1) is designed such that at least one interface allows for the mutual exchange of data between the ventilator (1) and external storage media and / or devices (12), the exchange of parameters, and the loading of parameters and / or a configuration of the ventilator from external storage media and / or devices, wherein the ventilator has at least two interfaces that support different standards and communication protocols, wherein one of the interfaces is designed as a radio interface and another of the interfaces is designed as a memory card interface, wherein the memory card interface is suitable for a Secure Digital card, a Multimedia card, a Memory Stick PRO card, an xD-Picture card, a SmartMedia card or a CompactFlash card, where data from the ventilator can be saved to an inserted memory card via the memory card interface, and data from an inserted memory card can be loaded into the ventilator, where, in the area of ​​the ventilator, a firmware or software is installed as the second computer program product, which runs as a client and enables a connection of the ventilator to the Internet, where the client is responsible for initiating contact during data transmission and is configured to determine the timing of the transmission, where reading or saving ventilation and usage information to the respective storage medium must be initiated by an event, and the event is the expiration of a specific period of time since the start or end of ventilation therapy, where, when reading usage data from the ventilator, an assignment to the correct patients is automatically performed via a stored database. wherein the ventilator contains relevant information about its setting parameters and their setting limits as well as its stored therapy information and is designed to make the relevant information available to a PC, wherein the ventilator is configured to provide, via the respective interface or storage medium, an application directly executable by a PC operating system, wherein the ventilator contains executable logic in non-volatile memory, wherein the executable logic is not executable by the ventilator itself but by the PC, thus enabling the installation of software on the PC without requiring a user to obtain the software directly from the ventilator manufacturer or a service provider via CD, download, or storage medium. wherein the ventilator further comprises a data cable as a data exchange means inserted into the respective interface, wherein the data cable is connected to an interface converter outside the ventilator, wherein the interface converter is designed to enable communication between the ventilator and another device via at least one transmission standard not provided in the ventilator itself, wherein at least one additional sensor in the form of a pulse oximeter and / or a sensor for CO2 measurement and / or a sensor for measuring respiratory effort and / or an ECG device and / or an EEG device is additionally connected to the ventilator via the interface converter.

A rate mode control method and device of an eMMC, a storage medium and a terminal are provided.The method comprises the following steps: determining a working scene rate mode of an embedded multimedia card (eMMC), and determining a highest rate mode supported by the eMMC; comparing the highest rate mode and the working scene rate mode, and determining a target rate mode of the eMMC according to a comparison result; and switching a current rate mode of the eMMC to the target rate mode.The above scheme can adaptively select a proper working rate mode according to a working scene demand of the eMMC and the highest rate mode supported by the eMMC, so as to improve data transmission efficiency.

The present disclosure relates to a method and device for enhancing read performance of an eMMC. The method is executed by a processing unit of a flash memory controller and comprises the following steps: (a) receiving an open-ended read command from a host device, wherein the parameters of the open-ended read command include a data address; (b) reading a first batch of data from a flash memory device according to the data address, storing it in a buffer, and during this process, monitoring the amount of data to identify when it reaches a threshold amount, at which point the amount of data is sent to the host device; (c) reading a second batch of data from the flash memory device and storing it in the buffer; and (d) checking if a stop command has been received, and if the check result is YES, terminating the execution of the open-ended read command.

The invention discloses an embedded multimedia card host device and a loopback test method thereof, and relates to the technical field of embedded multimedia card host devices. The embedded multimedia card host device comprises a loopback test control circuit which generates first pseudo-random sequence data and a data strobe signal corresponding to a first transmission mode, and verifies loopback test data according to a third clock signal to generate a flag signal; the transmitter circuit samples the two according to a transmission clock signal so as to output second pseudorandom sequence data and the first clock signal; the receiver circuit receives the first pseudo-random sequence data and the second pseudo-random sequence data through the input / output interface and outputs the third pseudo-random sequence data and the second clock signal; the delay phase-locked loop outputs the second clock signal as a receiving clock signal; the demultiplexer is used for processing the third pseudorandom sequence data according to the received clock signal so as to generate loopback test data; and a delay circuit which delays the receiving clock signal to generate a third clock signal.

Semiconductor packaging device are described herein. In one embodiment, the device includes a substrate configured to support at least two types of Multi-Chip Package (MCP) configurations. One MCP configuration includes a Universal Flash Storage (UFS) memory controller, and another MCP configuration includes an embedded multi-media card (eMMC) controller. The substrate is configured through internal connections and signal assignments to support either of the UFS controller or the eMMC controller selected to be included in the final MCP.

The invention discloses a method, a device, equipment and a medium for determining a delay sampling point, which are applied to the field of data storage, and the method comprises the following steps: obtaining a preset delay sampling point of an embedded multimedia card in a first data transmission mode, and determining whether the preset delay sampling point meets a data transmission condition or not; when the preset delay sampling point does not meet the data transmission condition, determining a candidate delay sampling point set based on a second data transmission mode; determining a to-be-selected delay sampling point set from the candidate delay sampling point set based on a first data transmission mode; and determining a target delay sampling point in the first data transmission mode from the to-be-selected delay sampling point set. According to the technical scheme provided by the invention, the selection efficiency of the delay sampling point of the embedded multimedia card can be improved, so that the data transmission efficiency is improved.

The embodiment of the invention provides electronic equipment, an initialization starting method thereof and a chip, the electronic equipment comprises a system-on-chip and an embedded multimedia card electrically connected with the system-on-chip, and the method comprises the following steps: in response to a power-on or reset event, controlling the embedded multimedia card to execute a first initialization stage, enabling the embedded multimedia card to enter a state capable of accessing the startup partition, and reading the startup code from the startup partition; according to the starting code, the system-on-chip executes at least one part of initialization process of the system-on-chip, and the embedded multimedia card executes a second initialization stage to enter a user data accessible state; wherein at least one part of the initialization process of the system on chip and the second initialization phase of the embedded multimedia card are at least partially executed in parallel in time. By adopting the technical scheme, the overall starting time can be shortened on the basis of not increasing the cost.

The invention discloses a power-off protection device applied to an embedded multimedia card, which belongs to the technical field of power-off protection and comprises a power-off detection circuit and an embedded multimedia card controller. The power-off detection circuit judges whether a power supply voltage enters a failure state according to a voltage detection signal, and generates a power-off protection signal when entering the failure state, and the voltage detection signal is generated by dividing the power supply voltage. The embedded multimedia card controller transmits a plurality of default instructions to an embedded multimedia card according to a protection enabling signal and the power-off protection signal so as to control the embedded multimedia card to execute the plurality of default instructions to complete a power-off protection operation, and the embedded multimedia card is driven by the power supply voltage.

The invention discloses a method and a device for improving reading efficiency of an embedded multimedia card, the method is executed by a processing unit of a flash memory controller, and the method comprises the following steps: (a) receiving an open end reading command from a host device, and parameters of the open end reading command comprise a data address; (b) reading a first batch of data from a flash memory device in batches according to the data address, storing the first batch of data in a buffer memory, and transmitting the data with a threshold data volume to the host device when detecting that the data volume stored in the buffer memory reaches the threshold data volume every time in the process, wherein the threshold data volume is smaller than a batch of read data volume; (c) reading a second batch of data from the flash memory device and storing the second batch of data to the buffer memory; and (d) detecting whether a stop command of the host device is received, and if so, ending the execution of the open-end read command.

The invention relates to the technical field of vehicles, in particular to a processing device, a storage method, a vehicle-mounted networking terminal and a vehicle. The processing device comprises a processor, a nonvolatile memory FLASH and an embedded multimedia card EMMC. The processor is used for responding to the received running data of the vehicle and storing the running data into the FLASH; in response to the received fault diagnosis information, searching fault data from the FLASH based on the fault diagnosis information; and storing the fault data into the EMMC, so that the EMMC reports the fault data to a cloud. According to the technical scheme, the service life of the EMMC is prolonged, and the data processing and storage efficiency is improved.

The invention discloses a battery control unit software updating method, device and equipment and a storage medium, and relates to the technical field of battery management systems.The battery control unit software updating method comprises the steps that an embedded multimedia card is initialized, and the embedded multimedia card comprises a first partition and a second partition; performing cyclic redundancy check on the first partition, and determining application firmware with a preset starting priority; performing cyclic redundancy check on the second partition to obtain a target check result; and when the target verification result is successful, covering the application program firmware with the preset starting priority by using OTA firmware to complete updating of the battery control unit software. According to the method and the device, the software can be effectively prevented from being mistakenly erased and written in the software running and updating process of the battery control unit, stable running of the system is ensured, meanwhile, the performance and the safety of equipment are improved, the fault risk in the updating process is reduced, and the reliability of the whole system is ensured.

The invention relates to the technical field of memories, in particular to an embedded multimedia card controller processing method and device, equipment, a medium and a product, and the method comprises the steps: obtaining a current command for an embedded multimedia card; the current command is sent to the embedded multimedia card; obtaining first response data of the embedded multimedia card; judging whether the verification result of the first response data is a verification error or not, and judging whether the number of times of command retransmission is greater than a preset value or not; if the verification result of the first response data is a verification error and the number of times of command retransmission is not greater than a first preset value, resending the current command to the embedded multimedia card; otherwise, generating a first interrupt instruction, and executing corresponding operation based on the first interrupt instruction. And an error retransmission mechanism is added, so that interruption of an upper software process is reduced, and the purpose of improving the overall processing efficiency of the controller is achieved.

Examples described herein relate to: an interface and circuitry to: monitor a bus for a particular message and based on detection of the particular message, replace the particular message with an invalid portion and provide the invalid portion to a receiver, wherein the particular message comprises a command and wherein the receiver comprises an Embedded Multi-Media Card (eMMC). In some examples, the circuitry comprises a platform root of trust (PRoT), a management controller, a multiplexer, or a host system.

1. Name of this design product: Graphical user interface for vehicle management of electronic equipment. 2. Purpose of this design product: A graphical user interface for vehicle management of electronic equipment, used for running programs and displaying information. 3. The key design point of this design product lies in the interface content of the graphical user interface. 4. The picture or photo that best illustrates the key points of the design: main view. 5. Other views are of conventional design and are omitted. 6.Purpose of the graphical user interface: The interface of this design is a graphical user interface for viewing and managing vehicles. 7. Human-computer interaction mode of the graphical user interface: The main view shows the vehicle management interface, which displays the real-time time and vehicle model. Different components on the vehicle model correspond to different button icons, from left to right they are "headlights", "rearview mirrors", "unlock button", "trunk", and "fog lights". The "car model change" and "light language" button icons are displayed in the lower right corner of the interface. Users can adjust the color of the car model by clicking the "car model change" button icon, and click the "light language" button icon to make the vehicle perform a music and light show; users can view the information of the added commonly used function cards by swiping upward from the bottom of the screen, and click the "multimedia" card, the first function card on the left side of the view at the bottom, to enter the interface change status diagram. 8. Other situations that require explanation Other explanations: The gray frame part in the interface shown in the view is used to display information such as album cover.

The embodiment of the present application provides a method, device and storage medium for random writing of an embedded multimedia card, belonging to the field of memory technology; the method includes determining the write operation request interval, the first target user data and the second target user data according to the available capacity of the cache area of ​​the second cache area of ​​the eMMC and the first data length of the original user data to be written; when the eMMC enters a busy state in response to the first write operation request sent by the host device, the first target user data is sent to the eMMC so that the eMMC caches the received first target user data in the second cache area; after the write operation request interval, a second write operation request is sent to the eMMC so that the eMMC stores the sent second target user data in the second cache area. The embodiment of the present application can improve the write efficiency of the eMMC in a scenario where there is a large amount of randomly written user data.

1. The name of the design product: vehicle-mounted smart card component graphical user interface for electronic equipment. 2. The use of the design product: for an electronic device. 3. The design points of the design product: in the graphical user interface. 4. The picture or photo that best indicates the design points: design 1 front view. 5. The appearance design requested for protection contains color. 6. Design 1 is designated as the basic design. 7. The use of the graphical user interface: this interface is used to display multimedia, navigation, weather, vehicle tire pressure information, Bluetooth phone, etc. cards on the vehicle central control home page; the interface shown in design 1 front view is the default display interface of the smart card, which displays multimedia cards, navigation cards, weather cards, tire pressure cards, etc.; in the interface shown in design 1 front view, when the vehicle is charging or the multimedia is playing, enter the design 1 interface change state diagram; the interaction process of design 3 is consistent with that of design 1; the interface shown in design 2 front view is the initial interface of design 2, in the interface shown in design 2 front view, long press any card to enter the design 2 interface change state diagram; the interaction process of design 4 is consistent with that of design 2.

The present disclosure relates to a method and a system for automatic monitoring and self-recovery of a radio unit in a 5G radio network The disclosure encompasses providing a processing unit [202] as one of a FPGA, an ASIC, and a NWP; interfacing, with an interface unit [204] comprising at least one of: a UART unit [204t] and GPIO unit [204io]; accessing, a memory element [206] as one of a NOR Flash memory [206n] and embedded multimedia card (eMMC) memory [206e] having a plurality of bank units [206b]; monitoring a heartbeat signal; triggering a reset and re- initialization based on reception of the heartbeat signal; initializing the radio unit [200r]; initiating recovery of the radio unit [200r] when the heartbeat signal fails; and restoring a functional boot image of the radio unit [200r] using a new firmware.

The invention relates to the technical field of NPU daughter cards, in particular to an intelligent information comprehensive processing NPU daughter card which comprises an AI processor, a storage unit, an interface unit, a clock circuit, a power conversion circuit and an FMC connector. The storage unit comprises an EMMC (Embedded Multi Media Card), an SPIFlash (Serial Peripheral Interface Flash) and three LPDDR4Xs (Low The interface unit comprises an RGMII, an SGMII, a USB3.0, a PCIE 3.0, an I2C, an RS232, a GPIO, a JTAG, and an HDMI. The system has the characteristics of high integration level, convenience and easiness in use, high environmental adaptability and the like.

The invention relates to a radio frequency calibration file storage method and device, a storage medium and electronic equipment. The method comprises the steps that a radio frequency calibration file of a chip module is obtained from a temporary embedded multimedia card, and the temporary embedded multimedia card is a multimedia card which is connected to the chip module and used for temporarily storing the radio frequency calibration file; the radio frequency calibration file is backed up to a memory chip set for the chip module, and after the radio frequency calibration file is backed up to the memory chip, the temporary embedded multimedia card is disconnected from the chip module; after it is detected that the chip module is connected to the fixed embedded multimedia card, the radio frequency calibration file in the memory chip is used for updating the radio frequency calibration file in the fixed embedded multimedia card, and the fixed embedded multimedia card and the chip module are located in the same radio frequency device. The technical problem that the NV radio frequency calibration file cannot be stored in the eMMC is solved.

Provided in the embodiments of the present application are a multimedia card mounting method and apparatus, and a storage medium, an electronic device and a computer program product. The method comprises: determining a target device on which an embedded multimedia card (EMMC) needs to be mounted; when it is determined that the target device is a baseboard management controller (BMC), mounting the EMMC on the BMC; and when it is determined that the target device is a first host, mounting the EMMC on a target universal serial bus (USB) interface connected to the first host. By means of the present application, the problem in the related art of there being a certain security risk because a networking operation needs to be performed when some server management operations are performed is solved, thereby achieving the effect of improving the security of server management.

This disclosure provides an electronic device and its initialization startup method and chip. The electronic device includes a system-on-a-chip (SoC) and an embedded multimedia card electrically connected to the SoC. The method includes: in response to a power-on or reset event, controlling the embedded multimedia card to execute a first initialization phase, so that the embedded multimedia card enters a state where a boot partition can be accessed, and reading boot code from the boot partition; according to the boot code, the SoC executes at least a portion of its own initialization process, and the embedded multimedia card executes a second initialization phase to enter a user data accessible state; wherein, at least a portion of the initialization process of the SoC and the second initialization phase of the embedded multimedia card are executed in at least partial parallel time. Using the above technical solution, the overall startup time can be shortened without increasing costs.

The invention relates to the technical field of network transmission, in particular to an EMMC parallel video transmission method and system, and the method comprises the steps: obtaining a video file, and carrying out the preprocessing of the video file; splitting the preprocessed video file into frame-by-frame pictures and storing the frame-by-frame pictures in an EMMC (Embedded Multi Media Card); in response to a video playing request, scheduling and reading the correspondingly stored images from the EMMC through the DDR; verifying whether each frame of image read from the EMMC by the DDR is complete or not; and in response to the verification success request, synchronously transmitting the image to the VR screen for frame-by-frame rendering playing. The technical problem that high-definition and smooth video transmission is difficult to realize under the condition that traditional VR screen lighting equipment does not depend on an external host is effectively solved.

A method for starting-up a device with an embedded multimedia card (eMMC) is provided. The method comprises providing power to the device, putting the eMMC in a Fast-Boot modus, reading a bootloader from the eMMC into a RAM of the device, starting the bootloader in a CPU of the device, terminating the Fast-Boot modus, resetting the eMMC, putting the eMMC in the Fast-Boot modus initializing hardware by the bootloader, while reading an operating system into the RAM using DMA, and starting the operating system from the RAM by the bootloader is provided. A device comprising an embedded eMMC is also disclosed.

The invention provides a vehicle upgrading method and device, electronic equipment and a vehicle, and the method comprises the steps: storing an over-the-air technology upgrade package to an online flash memory partition under the condition that the state of an embedded multimedia card chip is detected to be abnormal; mounting the online flash memory partition to a specified directory; an over-the-air downloading technology upgrade package is downloaded from the online flash memory partition by accessing a specified directory, and the over-the-air downloading technology upgrade package comprises a plurality of upgrade tasks; and vehicle upgrading is completed by executing the upgrading task so as to ensure that the vehicle is successfully upgraded.

The embodiment of the present application provides a method, device, storage medium, electronic device and computer program product for mounting a multimedia card, wherein the method comprises: determining a target device on which an embedded multimedia card EMMC needs to be mounted; when the target device is determined to be on a baseboard management controller BMC, mounting the EMMC on the BMC; when the target device is determined to be a first host, mounting the EMMC on a target universal serial bus USB interface connected to the first host. Through the present application, the problem of certain security risks caused by the need to perform networking operations when performing some server management operations in the related art is solved, thereby achieving the effect of improving the security of server management.