49results about How to "Save programming time" patented technology

The invention discloses a control system for a two-wheeled self-balancing vehicle. The parameter debugging of the system adopts a wireless communication mode, and the parameter value is changed by sliding resistance for real-time parameter transmission and debugging, and PD parameters controlled by PID are adjusted. Change, by programming the previously written wireless control program into the microcontroller, the wireless transmission module is divided into transmitter A and receiver B, transmitter A is connected with two sliding rheostats, whenever the sliding resistance value is in When there is an artificial constant and regular change, the transmitter A transmits each sliding resistance value to the receiver B at this time, and the received value is also put into the corresponding algorithm in the receiver B for calculation. When you can see the swing of the smart balance car, you can adjust the size of the value to be transmitted on the transmitter A, and artificially adjust the feedback.

A multichip parallel program burning system is connected with a computer and is used to support the action of parallel program burning of various chips. The burning system comprises a microcontroller and a programmable gate array, wherein the microcontroller is in a communications linkage with the computer; the programmable gate array is in a communications linkage with the microcontroller; the programmable gate array comprises a plurality of channels, status registers and control registers; each channel corresponds to and is electrically connected with one kind of chip; and the microcontroller receives the parallel burning command and transmits the parallel burning command to the programmable gate array, the programmable gate array translates the parallel burning command to ensure that the translated parallel burning command corresponds to each chip and the motion of the parallel program burning can be performed simultaneously to various chips, thus saving the cost and reducing the recording time.

The present invention relates to a display screen parameter setting method comprising: inputting a current 3-Gamma voltage distribution approach and a current white color coordinate; adjusting the current white color coordinate to obtain a target white color coordinate; selectively testing the brightness of at least three current grayscale frames corresponding to the target white color coordinate; calculating the brightness of a plurality of preset position grayscale frames based on the tested brightness of the at least three current grayscale frames; acquiring a gamma curve according to the brightness of the plurality of preset position grayscale frames; acquiring a new 3-Gamma voltage distribution approach according to the gamma curve and outputting the new 3-Gamma voltage distribution approach. The display screen parameter setting method can greatly shorten the time to test the grayscale frames so as to further shorten the burning time of the entire 3-Gamma and to improve production efficiency.

The invention relates to the field of electrically erasable programmable read-only memory (EEPROM), and especially relates to an EEPROM on-line burner and an on-line burning method. The method comprises the following steps: mounting a blank IC on a PCBA by SMT mounting; inserting a master IC into an IC seat of the burner, connecting the obtained PCBA to the burner, burning the data information of the master IC onto the blank IC of the PCBA by the burner; comparing the data of the master IC with the data of the IC of the PCBA by the burner, reading the data of the IC of the PCBA by the burner. The burner of the invention has six channels, can operate six master ICs simultaneously; the six channels independently set the IC models and the modes of burning, comparision, and reading. The beneficial effect of the invention is that: compared with traditional burners and burning methods, the invention saves burning time, and saves burning procedures; the invention can burn different data on a plurality of ICs; the problem of high data loss rate for traditional burning is avoided; the problem of IC slanting pin mouting caused by traditional IC burning is avoided.

A key writing device electrically connected to an electronic device for automating the writing of multiple keys for activating one or more functions of the electronic device, via a key writer. The key writing device includes a storage storing multiple keys, at least two of the keys to be written into the electronic device are selected from the storage and are packed into a key package. The package including the at least two keys is then written into the electronic device using the key writer.

The invention relates to a system and a method for burning chips. The chip burning system comprises a burning main body, a burning control panel and a burning execution device. The chip burning methodcomprises the following steps: providing the burning control panel which is provided with at least one controller and one or more burning data providing devices burned with burning data; inputting aburning instruction to the controller; selecting the burning data providing devices according to the burning command and reading the burning data in the burning data providing device by the controller; outputting the burning data to each chip; and burning the burning data in the chips. Therefore, the system and the method can achieve the effects of burning a large amount of information on a largenumber of chips at the same time, saving cost, and saving burning time to increase burning.

The invention relates to a display screen flicker test method comprising: obtaining a preset common voltage array comprising a plurality of common voltage values; acquiring at least one common voltage value with the highest acquisition frequency in the common voltage array as an anticipated value; subjecting a display screen to a flicker test according to the anticipated value to obtain the flicker value of the display screen; comparing the flicker value with a first preset threshold and a second preset threshold separately to obtain the common voltage value corresponding to the minimum flicker value and write the common voltage value into a driving chip of the display screen. The display screen flicker test method can shorten the time to find the best common voltage value, can improve the production efficiency and reduce product cost.

The invention discloses a high-speed dynamic loading device and method of multiple FPGA based on Ethernet, and relates to the technical field of configuration file loading of programmable controllers. The high-speed dynamic loading device and method of the multiple FPGA based on the Ethernet aim at quickly loading configuration files for the multiple FPGA. The technical key points are that the high-speed dynamic loading device comprises a network interface circuit and a configuration-used FPGA, wherein the network interface circuit and the configuration-used FPGA are in a signal connection, the configuration-used FPGA is used for being in a signal connection with each working-used FPGA, receiving first class configuration files sent by the Ethernet through the network interface circuit, and writing the first class configuration files to memories of the corresponding working-used FPGA.

The invention discloses a liquid crystal display device production line test result storage method. The method comprises the steps that: (1) when a burning program burns extended display identification data, original serial number data is sent to a liquid crystal display device and is stored into a firmware of the liquid crystal display device, (2) a test program is called to test the liquid crystal display device, the test program directly reads the original serial number data from the firmware of the liquid crystal display device before a test and generates target serial number data based on the original serial number data, (3) when the acquisition of the target serial number data is failed, the test program display an acquisition error and prompts an operator to carry out exception handling, (4) when the acquisition of the target serial number data is successful, the test program carries out test according to a selected test item, (5) the test program stores a test result and corresponding target serial number data into a local or network database after the test item is completed, and (6) the test program prompts a corresponding liquid crystal display device that the test is completed and notifies the operator to test a next liquid crystal display device. The method has the advantages of short testing and burning times, no need of manual reading of a code, the effective reduction of manpower, the improvement of efficiency and the reduction of production cost.

Along with continuous development of embedded industry, the production efficiency of embedded devices is required to be continuously improved. The invention provides a method for synchronously programming Linux firmware and applications in multiple devices. More convenient and quicker production is realized. In a network port startup mode, a virtual machine allocates an IP to a DHCP of a device after the device is powered on, and the device requests for a UBOOT file to a server after obtaining the IP; after UBOOT, a script is obtained from the server and is executed in a memory, and the scriptis used for obtaining UBOOT, KERNEL and ROOTFS files from the TFTP server again and programming the files to a FLASH; after the programming is finished, the device is restarted; and a Linux system runs an app in the system after being started, and a latest application is updated in a host. The method at most can support simultaneous programming of 255 devices without manual operation, and the programming can be finished by only powering on the devices and accessing the devices to network ports; the multi-device synchronous programming method provided by the invention greatly shortens the programming time during production and has a function of automatically updating the applications, and the whole process is free of the manual operation, so that the production efficiency is greatly improved; and therefore, the method has very high useful values.

A flash memory and a method for program planning and repeating burnt record are disclosed, in which the method is used for making a modified application program be translated and edited, and thus be burnt recorded on a planned flash memory. The flash memory includes a fixed program block containing a program burnt recorded integrally and having no need to be modified any more; an application program block containing a modifiable or alternative application program; and a recall function entry point block containing a recall function entry point matrices which records a start address value in the application program block when all the recall function is recalled by the fixed program. When repeating the burnt record, only the recall function entry point block and program code of the application program block are burnt recorded.

The invention provides a method and a device for quickly programming data to an EXT partition. According to the method, a corresponding image file is generated according to the actual size of the EXT partition, and during programming, erasure processing is performed on the whole partition first, and a whole block group of data blocks where data is stored is programmed; only super blocks and a block group descriptor of a block group, meeting a first preset condition, of data blocks where data is not stored are programmed; and a block group, not meeting the first preset condition, of data blocks where data is not stored is not programmed. Compared with the mode of programming the whole image file (that is, all block groups are programmed one by one), through the scheme, the programmed data volume is greatly reduced, meanwhile, Resize operation does not need to be performed on the partition during first start, and therefore the scheme is beneficial for improving programming efficiency.

The invention discloses a method for flexible and efficient online CPLD program recording by means of a BMC. According to the method, existing server is used for monitoring and managing JTAG interfaces of a chip BMC and is connected with a JTAG Chain composed of multiple CPLDs so as to conduct program recording on the CPLDs in the JTAG Chain in a unified mode. By the adoption of the method, program recording time can be greatly shortened, operation complexity can be greatly reduced, program recording flexibility can be greatly improved, the number of JTLD interfaces (namely JTAG masters) of the BMC is reduced by means of the JTAG chain structure during application of the multiple CPLDs, and in this way, a hardware circuit is simplified. The method has the advantages that flexibility is guaranteed, in other words, program recording can be conducted on any CPLD independently; high efficiency is guaranteed, in other words, program recording can be conducted on the multiple CPLDs at the same time; compatibility is guaranteed, in other words, equipment produced by different manufacturers can be connected into the JTAG Chain; the number of JTAG interfaces of the Master end is reduced during application of the multiple CPLDs, and the hardware circuit is simplified.

The invention discloses a data burning device. The data burning device comprises a first interface card, a plurality of second interface cards and a plurality of transmission lines, wherein the first interface card comprises a signal conversion unit and a plurality of first connectors; the signal conversion unit receives a first signal and converts the first signal into a second signal to output the second signal; the first signal is provided with a first communication protocol; the second signal is provided with a second communication protocol; the first communication protocol is different from the second communication protocol; the first connectors are used for receiving and transmitting the second signal; each second interface card comprises a second connector and a plurality of storage units; each second connector is used for receiving and transmitting the second signal; each storage unit is used for receiving and burning the second signal; the transmission lines connect the first interface card with the second interface cards.

The embodiment of the invention discloses a flashing method and device of terminal equipment, a computer storage medium and a system. The flashing method comprises the steps: obtaining data of a to-be-burnt partition, wherein the data of the to-be-burnt partition comprises N data blocks, and N is a positive integer greater than or equal to 2; for the ith data block and the (i + 1)th data block which are adjacent, after it is detected that the first thread corresponding to the ith data block is finished, controlling the second thread corresponding to the ith data block and the first thread corresponding to the (i + 1)th data block to be subjected to parallel processing; when it is detected that the second thread corresponding to the ith data block and the first thread corresponding to the (i + 1)th data block are finished, starting the second thread corresponding to the (i + 1)th data block, and starting the first thread corresponding to the next group of adjacent data blocks at the same time, wherein i is a positive integer greater than or equal to 1 and less than or equal to N-1; and when it is detected that the second thread corresponding to the Nth data block is ended, burning all the data of the to-be-burnt partition into the terminal equipment, thereby realizing flashing of the terminal equipment.

The invention relates to a system for burning and recording by adopting the multiplex technology and a method thereof, which is used for burning and recording a plurality of chips of different bus types at the same time on the same transmission bus. Firstly, a main control unit divides the transmission bus into different wave bands, and sends control commands and controls data carrying bus signals of specified types to be transmitted in specified wave bands of the transmission bus. The control commands comprise the commands of the data carrying bus signals of specified types; subsequently, a transmitting unit sends the data carrying the bus signals of specified types through the specified wave bands; finally, a plurality of receiving units receive the data transmitted in the specified wave bands so that the data are output to a plurality of burning and recording units which burn and record the data onto the chips of specified bus types.

The invention discloses a parallel recording method using multiplexing technology, which mainly comprises the steps of dividing a transmission bus bandwidth into different frequency bands; sending control command and controlling the transmission of data with appointed bus signal in an appointed frequency band of the transmission bus by a control terminal; receiving the data transmitted in the appointed frequency band by a recording terminal, and recording the data to the chips having appointed bus type in parallel.

The invention provides a chip offset detection device and method and a chip burning system and method. The offset detection method comprises the steps that one of grounding contact points at the same position in a material base is selected to serve as a reference contact point, and a reference high level is supplied to the reference contact point; one the grounding contact points at the same position in the material base is selected to serve as a detection contact point; the material base is unlocked / locked before / after material taking and / or before / after material discharging, the contact points of the material base are made to be in electrical correspondence with corresponding pins of a chip to form short-circuit / electrical connection; changes in the detection level of the detection contact point is obtained; the obtained changes in the detection level are compared with changes in a standard level at the time of correct discharging, and whether offset happens or not is detected. Whether offset or burning happens or not is judged according to the changes in the detection level of the detection contact point in the offset detection device, so that simplicity and convenience are achieved, and meanwhile burning time is saved.

A method of erasing a nonvolatile memory for preventing over-soft-program comprises performing an erase operation on at least one cell among a plurality of cells in the nonvolatile memory; applying a first soft program verify operation; applying a second soft program verify operation, wherein the second verify voltage is lower than the first verify voltage; determining whether the threshold voltage of the cell is lower than the first verify voltage or the second verify voltage; performing a soft program operation with a first soft program voltage when the threshold voltage of the cell is lower than the first verify voltage and higher than the second verify voltage; and performing the soft program operation with a second soft program voltage higher than the first soft program voltage when the threshold voltage of the cell is lower than both of the first verify voltage and the second verify voltage.

The invention provides a Flash burning method comprising the steps of after creating a downloading thread of each Flash burning single board serial port, operating the downloading thread of each Flash burning single board serial port; operating a second file according to the operating result of the downloading thread of each Flash burning single board serial port and reading a first mirror image file in each USB flash disk according to the operating result of the second file, wherein each first mirror image file comprises a micro-core provided with a root file system; performing partition and formatting operations on each Flash burning single board Flash according to the operating results of the micro-cores and the root file systems and burning a second mirror image file of each USB flash disk to each Flash burning single board Flash. The invention also provides a Flash burning single board, upper computer and system.

The invention relates to the technical field of medical instruments, and particularly discloses a voltage compensation method based on a medical vacuum negative pressure machine. The method comprises the steps of: setting a standard voltage value; collecting current voltage values of different circuits; judging whether the negative pressure machine performs first collection or not according to a first collection air pressure mark; determining a voltage difference value addition and subtraction mark according to the first collection air pressure mark, the standard voltage value and the current voltage values; determining a compensation value according to the first collection air pressure mark, the voltage difference value addition and subtraction mark, the standard voltage value and the current voltage values; and automatically correcting the current voltage values according to the voltage difference value addition and subtraction mark and the compensation value to obtain a final voltage value. According to the voltage compensation method, the consistency of the working voltage of the air pressure sensor can be ensured, so that the consistency of the upper and lower limits of the exhaust air pressure of the negative pressure machine is ensured; and meanwhile, manual repeated testing of the upper and lower limits of the air pressure value and code modification and burning are replaced by uniform code burning, so that the manpower and time cost is effectively reduced.

The invention discloses an MAC address burning method and device, equipment, and a storage medium. The method comprises the steps of obtaining a media access control layer MAC interval for burning to a plurality of to-be-tested pieces through a test device; enabling the test device to calculate a verification value according to the current address in the MAC interval, and transmitting the MAC interval and the verification value to the memory; reading the current address from the memory through the current processing to-be-tested piece, and burning the current address in the nonvolatile memory unit; verifying whether the current processing to-be-tested piece successfully burns the MAC address or not according to a burning result, and returning to execute the operation of reading the current address from the memory through the current processing to-be-tested piece after the current address and the check value in the test equipment and the memory are updated until all the to-be-tested pieces are processed. According to the technical scheme provided by the embodiment of the invention, the to-be-tested piece which fails to be burnt can be screened out from the plurality of to-be-tested pieces which are burnt, so that the burning efficiency of the to-be-tested piece on the MAC address is improved.

The invention discloses a paging recorder of a washable programmable read-only memory and a control method thereof, wherein the recorder comprises an input / output buffer, which is coupled with the washable programmable read-only memory. The recorder further comprises a plurality of writing circuits and a readout circuit, wherein the writing circuits are used to parallelly write input data in the washable programmable read-only memory, and the readout circuit is used to read out output data from the washable programmable read-only memory. Using the invention, the defect that writing stroke by stroke wastes time when a traditional washable programmable read-only memory is burned can be improved, the paging recorder parallelly sends many strokes data in one time and burns simultaneously, thereby being capable of greatly reducing the burning time, increasing the production time course, and being capable of reducing the cost of detecting if the paging recorder is applied in a test.

The invention discloses a small-corner pantograph head design method. According to the method, corners of pantograph heads are optimized by utilizing mature dynamic software and an integrated generaloptimization algorithm library by using a method for relative position parameter coordinates of pantograph hinge points, so that deflection angles of the pantograph heads are remarkably decreased, thepantograph heads can achieve a nearly translational motion state in working ranges of pantographs, and contact areas between the pantographs and contact nets are increased, thereby effectively improving the current-receiving quality of the pantographs and decreasing the pantograph net damage.

The invention discloses a burning device for an MAC address and an SN sequence of equipment. The burning device is used for burning the MAC address into the equipment, and comprises: an MAC setting module used for setting a starting address and an ending address of the MAC address; a sequence setting module used for setting an initial sequence of the SN sequence; and a burning module used for burning the MAC address into the equipment from the initial address to the end address and burning the SN sequence into the equipment from the initial sequence, wherein one MAC address and one SN sequence are burnt in one piece of equipment, and wherein the burning module comprises a counting unit, and is used for adding 1 to the burnt previous MAC address and SN sequence after the burning of one piece of equipment is completed, so as to form the MAC address and SN sequence of the next piece of equipment. According to the burning device, the burning steps of equipment can be reduced, the burning time can be shortened, the burning efficiency can be improved, the completeness and accuracy of data burning can be ensured, and repeated burning can be avoided.