169 results about "Mobile industry processor interface" patented technology

The invention discloses a radio-frequency interference processing method, a storage medium and a terminal. The radio-frequency interference processing method comprises the following steps: obtaining radio frequency information obtained when the terminal communicates, wherein the radio frequency information comprises a current channel and signal intensity of the current channel; when judging that the current channel is an interference channel of MIPI (mobile industry processor interface) main frequency in an interference channel information record table, judging whether the difference value between the signal intensity of the current channel and interference degree corresponding to the interference channel is smaller than a threshold value; and when the difference value between the signal intensity of the current channel and the interference degree corresponding to the interference channel is smaller than the threshold value, adjusting working frequency of the MIPI into MIPI backup frequency. When the MIPI main frequency has interference on the radio-frequency signal, the MIPI work frequency is switched to the MIPI backup frequency, thereby reducing interference of the MIPI main frequency on the radio-frequency signal, and improving conversation quality.

A data transmission method applied in a display, which includes a display panel, is provided. The data transmission method includes the following steps of: providing a host controller and n display drivers, n is a natural number greater than 1; providing a communication link under mobile industry processor interface (MIPI), connecting the host controller to the n display drivers; determining n virtual channel values Vc1-Vcn corresponding to the respective n display drivers; employing the host controller for providing a command with a virtual channel parameter through the communication link under MIPI; when the virtual channel parameter corresponds to an i^th virtual channel values Vci, an i^th display driver executing corresponding operations in response to the command, while the rest n−1 display drivers ignoring the command, wherein i is a natural number smaller than or equal to n.

The invention discloses a test method and system for reducing the interference of mobile industry processor interfaces (MIPI). The test method includes the following steps that: when a tested terminal establishes communication, current communication frequency is obtained, the first preset frequency of a first interface type of mobile industry processor interfaces in mobile industry processor interfaces which work currently is obtained, wherein the first preset frequency is the default work frequency of the first interface type of mobile industry processor interfaces; the first preset frequency is compared with the communication frequency, and whether the first preset frequency is in the frequency band of the communication frequency is judged; and when the first preset frequency is not in the frequency band of the communication frequency, the first preset frequency is adopted as the current work frequency of the mobile industry processor interfaces. With the test method and system provided by the technical schemes of the invention adopted, the interference of mobile industry processor interfaces in a terminal communication process can be reduced, and user experience can be improved.

A method for a Mobile Industry Processor Interface (MIPI) master device for improving clock recovery at a MIPI slave device includes: transmitting a symbol sequence including a plurality of consecutive symbols which include at least one of a first symbol value and a second symbol value to the MIPI slave device prior to transmitting packet data to the MIPI slave device, wherein the first symbol value and the second symbol value bring relatively larger encoding jitters than other symbol values.

The invention provides a camera module control method and device based on a WIFI (Wireless Fidelity) network. The method comprises the steps of detecting whether a master MIPI (Mobile Industry Processor Interface) frequency employed by a currently working camera module carries out co-channel interference on a WIFI channel or not when it is detected that terminal equipment in the WIFI network starts a camera function and it is determined that an application scene of the camera function belongs to a video communication scene, starting a frequency hopping mechanism when it is detected that a channel of the master MIPI frequency carrying out the co-channel interference on the WIFI channel is a video communication channel of the application scene, and controlling the camera module to switch toa preset backup MIPI frequency. Under the condition of not influencing a video, the master MIPI frequency is hopped to a frequency which is not overlapped with a WIFI frequency, the co-channel interference of the camera module on a WIFI antenna in the video communication scene under the WIFI of a user is solved, and the hardware cost is reduced.

The invention discloses a method and a system for lowering interference of a terminal display screen. The method comprises the steps of firstly, determining a mobile industry processor interface (MIPI) interference interval of the display screen according to read MIPI frequency of the display screen and MIPI line quantity used by the display screen and stored in a terminal; then, determining an interference frequency point of the display screen according to the MIPI interference interval of the display screen and a frequency domain used by the terminal; and configuring a notching filter for a channel corresponding to the interference frequency point of the display screen in a modulator-demodulator. Through adoption of the method, the interference is prevented at the beginning, a radio frequency signal is prevented from interference of the display screen, the complete machine receiving performance of the terminal is improved, and the method is suitable for practical application.

The invention discloses a test method and a test system for implementing COMMAND-mode MIPI (mobile industry processor interface) modules and used for configuration testing of the COMMAND-mode MIPI modules before delivery. The test method mainly includes the steps that a PG (program guidance) image generator sets register configuration parameters and image data according to types of the COMMAND-mode MIPI modules, transmits the register configuration parameters to an MCU (microprogrammed control unit), and transmits the image data to an FPGA (field programmable gate array) through an LVDS (low voltage differential signaling) data bus interface; the MCU generates DCS (data communication system) instructions according to the register configuration parameters and transmits the DCS instructions to the FPGA; the FPGA receives image data signals through the LVDS data bus interface and has the DCS instructions and the image data packaged and transmitted to a bridge chip; the bridge chip transmits the DCS instructions for configuration of the MIPI modules and converts the image data to the MIPI signals which are transmitted to the MIPI modules, and the MIPI modules display the image data according to the MIPI signals to complete testing.

The embodiment of the invention provides a method for reducing signal interference, a storage medium and a terminal. The method comprises the following steps: obtaining a channel where a current communication signal of the terminal is located; judging whether the channel is a preset channel; if the channel is the preset channel, further judging whether the current communication signal is interfered; and if the current communication signal is interfered, adjusting the data transmission rate of a mobile industry processor interface to reduce the interference of the mobile industry processor interface to the communication signal. By adoption of the scheme, when the mobile industry processor interface generates interference to the communication signal, the data transmission rate of the mobile industry processor interface is adjusted to reduce the interference of the communication signal, therefore the communication quality can be improved, and then the stability of the terminal is improved.

The invention discloses a Vcom (voltage of common electrode) adjustment device of an MIPI (mobile industry processor interface) liquid crystal module on the basis of FPGA (field programmable gate array). The Vcom adjustment device comprises an upper computer interaction module, an ARM (advanced RISC machine) controller and an MIPI liquid crystal module to be measured. The Vcom adjustment device is characterized by comprising an FPGA signal unit, the upper computer interaction module is connected with the ARM controller through an internet access, the ARM controller is connected with the FPGA signal unit through an external bus interface, and the FPGA signal unit is connected with the MIPI liquid crystal module to be measured. The MIPI bridge chip in a multichannel testing system of the liquid crystal module can be omitted, OTP (one time password) development efficiency of the MIPI liquid crystal module is improved, various requirements of the liquid crystal module on the basis of the MIPI protocol are met, and production efficiency of the liquid crystal module is improved.

The invention relates to a resolution-adaptive MIPI (mobile industry processor interface) graph signal generation device. The resolution-adaptive MIPI graph signal generation device includes an image frame generating module, an image buffer module, an RGB synchronization signal generating module, an RGB image data generating module, an RGB image synchronization module, a multi-link MIPI liquid crystal display module single screen and split screen data generating module, an MIPI data buffer module, an MIPI data conversion module, an MIPI signal output module, an MIPI parameter analysis module and an upper layer interface module. With the resolution-adaptive MIPI graph signal generation device of the invention adopted, the generation of MIPI graphs with different resolutions can be realized. The resolution-adaptive MIPI graph signal generation device has strong compatibility.

The invention discloses a testing method for an MIPI (mobile industry processor interface) liquid crystal screen. The method comprises the following steps of: (1) providing a test tool; (2) electrically connecting the to-be-tested liquid crystal screen with a backlight source driver module and an MIPI module; (3) powering on the test tool; (4 ) giving alarm if an abnormity is detected by a microprocessor, and performing initialization on the backlight source driver module, a liquid crystal driver module and a signal conversion module if no abnormity is detected by the microprocessor; (5) driving the backlight source of the to-be-tested liquid crystal screen to work by the backlight source driver module under the control of the microprocessor; (6) converting an RGB signal transmitted from the microprocessor into an MIPI signal by the signal conversion module and transmitting the MIPI signal to the to-be-tested liquid crystal screen, and enabling the to-be-tested liquid crystal screen to display the corresponding image according to the MIPI signal; and (7) judging whether the image is normal or not, determining that the to-be-tested liquid crystal screen is qualified if the image is normal, and otherwise determining that the to-be-tested liquid crystal screen is unqualified.

A mobile industry processor interface MIPI clock frequency configuration method and apparatus are provided. When a radio frequency band used by a device on which an MIPI is located changes, an MIPI clock frequency is determined according to radio frequency band information, where the radio frequency band information includes the radio frequency band currently used by the device, and the determined MIPI clock frequency causes no interference to the radio frequency band currently used by the device; and an MIPI clock frequency of the device is configured as the determined MIPI clock frequency. According to the technical solutions in the present invention, when a radio frequency band of a device changes, an MIPI clock frequency causes no interference to communication of the device, thereby improving communication quality and stability of the device.

The invention discloses a method and a device for achieving data signals of various LANE numbers of an MIPI (mobile industry processor interface) based on an FPGA (field programmable gate array). The method includes 1), receiving MIPI configuration information from an upper layer to perform configuration operation, wherein the MIPI configuration information includes the LANE numbers of an MIPI module, a module screen-splitting mode, RGB (red-green-blue) bit width, MIPI transmission control parameters and MIPI output electrical configuration; 2), converting input RGB video signals into four-channel screen-splitting video data; 3), converting the four-channel screen-splitting video data into four-channel byte data; 4), packing the four-channel byte data to form four-channel MIPI packed data; 5), allocating the four-channel MIPI packed data to each data LANE to form MIPI signals; 6), subjecting the MIPI signals of each data LANE to MIPI transmission operation; 7), subjecting the MIPI signals of each data LANE to output electrical and transmission characteristic adjustment, and then sending the MIPI signals of each data LANE to the module. The method and the device have the advantages that output of the MIPI signals of 1-LANE, 2-LANE, 3-LANE, 4-LANE, 8-LANE and 16-LANE is achieved through the FPGA to lighten the module, and the method and the device are simple to operate, high in reliability and quite low in cost.

The invention discloses a binocular 720-degree panoramic acquisition system. The binocular 720-degree panoramic acquisition system comprises an acquisition module, a core processing module, a cloud streaming media server module, a local server module, a wide area network terminal experience module and a local area network terminal experience module, wherein the acquisition module is used for acquiring N paths of audio data and double paths of video data; the core processing module is used for matching the N paths of audio data and the double paths of video data, and splicing the N paths of audio data and the double paths of video data into a panoramic video; the cloud streaming media server module and the local server module are used for creating live broadcast, generating a stream pushing address and a playing address, and converting the formats of received audio and video streams; and the wide area network terminal experience module and the local area network terminal experience module are used for finishing audio and video live broadcast. Through two paths of ISP (Image Signal Processing) with high processing capabilities and at least two paths of MIPIs (Mobile Industry Processor Interfaces), hardware synchronous acquisition of double paths of videos, real-time processing of data of double paths of sensors of over ten million of pixels and real-time splicing of 720-degree panoramic videos can be realized; rapid transmission of high-definition image information can still be realized under a relatively low code rate of a network; and the sense of reality and comfort of user experience are improved greatly.

The invention relates to an initial configuration method of a mobile industry processor interface (MIPI) liquid crystal module. The method comprises the steps of compiling an MIPI initialization code file according to a specific format by an initialization code editor interface of an upper computer; parsing the MIPI initialization code file which is edited in a user defined way into an identifiable hexadecimal initialization code file by the program of the upper computer; before the MIPI liquid crystal module is electrified, using an ARM kernel module to read the corresponding hexadecimal initialization code file, and sending the read result into a singlechip to realize the initialization function before the MIPI liquid crystal module is lightened. The method can meet the demand of carrying out flexible compatibility on initialization codes of various types of MIPI liquid crystal modules, thus reducing the version number and the upgrading times of the program of the singlechip.

The invention provides a method and a device for reducing interference signals of mobile communication. The method comprises the following steps: acquiring an MIPI (Mobile Industry Processor Interface) frequency in parameters configured for a functional module in equipment; performing frequency division processing in a first preset ratio according to the acquired MIPI frequency to obtain a first fundamental frequency; performing frequency doubling processing on the first fundamental frequency to obtain a plurality of frequency-doubled frequency points; and searching for a channel of the frequency-doubled frequency points within a frequency range in use, and performing filter processing on the searched frequency-doubled frequency points in the channel. Through adoption of the method and the device, interference caused by the functional module in the equipment can be reduced effectively, and the interference signal processing timeliness is enhanced greatly while the labor force is saved.

The embodiment of the invention discloses a data transmission control method, a data transmission control device and terminal equipment. The method comprises the following steps: acquiring a channel bandwidth contrast value of a working frequency band of the terminal equipment; determining a target bandwidth according to the channel bandwidth contrast value, the target bandwidth being greater thanor equal to the channel bandwidth contrast value; taking the target bandwidth as an adjustment base number, and adjusting the adjustment parameter until the transmission frequency of the mobile industry processor interface MIPI is not overlapped with the working frequency band, the transmission frequency corresponding to the adjustment parameter; and determining a data transmission mode of the MIPI according to the transmission frequency. By utilizing the embodiment of the invention, the problem that the traditional MIPI cannot avoid various communication frequency bands at the same time, sothat the MIPI interferes with a communication system, and the communication performance of the terminal equipment is influenced can be solved.