Abstract: A display region includes a plurality of pixel driving circuitry setting regions arranged sequentially in a first direction, and each pixel driving circuitry setting region extends in a second direction intersecting the first direction. Each display circuitry includes a plurality of subpixels in one-to-one correspondence with the pixel driving circuitry setting regions, each subpixel includes a subpixel driving circuitry and a light-emitting element coupled to each other, the subpixel driving circuitry is located in a corresponding pixel driving circuitry setting region, the light-emitting element is located at a side of the subpixel driving circuitry away from the substrate, a width of the light-emitting element is greater than a width of the corresponding pixel driving circuitry setting region in the first direction, and a length of the light-emitting element is smaller than a length of the corresponding pixel driving circuitry setting region in the second direction.

Abstract: A data processing method includes obtaining a target value and/or an adjustment value of a data transmission rate by a first chip; determining a data adjustment manner and/or configuring a parameter of a sensor based on the target value and/or the adjustment value by the first chip.

Abstract: A communication link initialization method includes that a master node sends a first information frame to a slave node. The first information frame includes first synchronization information. The slave node implements synchronization with the master node based on the first synchronization information. The slave node sends a second information frame to the master node. The second information frame includes second synchronization information. The master node implements synchronization with the slave node based on the second synchronization information. The master node sends a third information frame to the slave node. The third information frame is used to indicate a first training information frame. The slave node trains a link between the master node and the slave node based on the third information frame. The slave node sends a fourth information frame to the master node.

Abstract: This disclosure discloses image transmission methods and apparatuses. In an implementation, a method performed by an apparatus includes generating a first data packet, wherein the first data packet comprises a portion of content of a frame of an image and first information indicating frame synchronization and line synchronization and sending the first data packet to a second communications apparatus.

Abstract: A communications method includes: A control node determines first configuration information, where the first configuration information belongs to a configuration information set, the configuration information set includes at least one piece of configuration information, and the first configuration information is used to indicate whether a first slave node performs, in some or all of time units included in a preset time period, an operation corresponding to the first configuration information. This is applicable to coordination and management of communication between slave nodes in a transmission system having a plurality of service requirements, and implements flexible configuration of each slave node in the transmission system by the control node.

Abstract: Embodiments of this application disclose a data processing method, which can be applied to a clock synchronization network system. The system can correct, based on a clock frequency error or a time error, a data timestamp of a data packet collected by the system in a time period in which there is no reference clock, so that a corrected system time of the data packet is consistent with a reference time. This improves accuracy of data record.

Abstract: A data transmission method according to an I2C protocol and a transmission apparatus includes: a first transmission chip obtains I2C data from a first device, wherein the I2C data is data sent by the first device to a second device. The first transmission chip sends first feedback information to the first device, wherein the first feedback information is used to indicate whether the I2C data is successfully received. The first transmission chip forwards the I2C data to a second transmission chip corresponding to the second device. The first transmission chip receives second feedback information from the second transmission chip, and the second feedback information is used to indicate whether the I2C data is successfully received. The first transmission chip stores the second feedback information in a first storage space that is storage space of the first transmission chip.

Abstract: A clock calibration method and apparatus is provided, where the method includes a terminal device uses first timing information, adjusts second timing information of the terminal device based on reference timing information, and when determining that a first condition is met, switches from using the first timing information to using the second timing information. The first timing information is primary timing information, the second timing information is standby timing information, and the first condition includes that: the first timing information is different from the reference timing information, and the second timing information is the same as the reference timing information; or the first timing information is different from the second timing information; or the first timing information is different from the reference timing information.

Abstract: A PCIe-based communications system includes a first processor and a plurality of switches, the plurality of switches include a first switch and a second switch, a first link exists between the first processor and the first switch, a second link exists between the first switch and the second switch, and a first standby link is configured between the first processor and the second switch. If the first link and the second link are not faulty, communicating, by the first processor, with the second switch through the first link and the second link; or if the first link or the second link is faulty, activating the first standby link, and communicating, by the first processor, with the second switch through the activated first standby link. Thereby stability of the communications system can be improved.

Abstract: Embodiments of this application disclose a data transmission method and a communications apparatus. A method in an embodiment includes: sending, by a network device, first data to a terminal in a first subframe through a first channel, where the first channel is a channel occupied in a channel system by a service between the network device and the terminal; performing, by the network device, channel listening on a channel that is not occupied in the channel system by the service; and when there is a second channel in an idle state, sending, by the network device, second data of the service to the terminal in a second subframe through the first channel and the second channel, where the second subframe is after the first subframe. The service includes the first data and the second data, and a data frame of the service includes the first subframe and the second subframe.

Abstract: A PCIe-based communications method includes: a root complex writes identity information of a second node into a first node and writes routing table information into a third node, where the first node is a source node of first data, the second node is a destination node of the first data, and the third node is a node through which the first data arrives at the second node.

Abstract: An emergency call method is applied to a vehicle-mounted communications system. The emergency call method includes a telematics box activating a host function. The host function includes controlling a first transmission node and a peripheral connected to the first transmission node. The telematics box is connected to the first transmission node, and the telematics box performs data transmission with the first transmission node using the host function. The first transmission node is in a master node mode.

Abstract: The present disclosure relates to clock switching methods, devices, and storage medium. In one example method, a slave clock device may monitor a working status of a master clock device, and sends first indication information when discovering that the master clock device is in a faulty state, so that a communications device synchronizes with a system clock of the communications device based on time information of the slave clock device.

Abstract: A control method and apparatus are disclosed in this application. The method includes: After determining a target device that needs to be controlled, a host may send indication information, a control command, and an address of a register of the target device to a control device through an I2C interface, so that the control device may encapsulate the indication information, the control command, and the address of the register of the target device, and send the indication information, the control command, and the address of the register of the target device that are encapsulated to a slave device connected to the control device.

Abstract: An emergency call method applied to a vehicle-mounted communications system and the method includes a telematics box that activates a host function. The host function includes controlling a first transmission node and a peripheral connected to the first transmission node. The telematics box is coupled to the first transmission node, and the telematics box may perform data transmission with the first transmission node using the host function. The first transmission node is in a master node mode.

Abstract: A vehicle temperature control system includes an in-vehicle control unit temperature control flow path, a battery temperature control flow path, a heat exchange unit configured to provide temperature control fluid for the in-vehicle control unit temperature control flow path and the battery temperature control flow path, and a control valve unit configured to control the in-vehicle control unit temperature control flow path and the battery temperature control flow path to be connected in parallel or series.

Abstract: This application provides an in-vehicle communications system used in a vehicle. The in-vehicle communications system includes a control device, a plurality of gateway devices, and a plurality of communication endpoints. Each gateway device is communicatively coupled to the control device, and each gateway device is communicatively coupled to at least two other gateway devices. Each gateway device is further communicatively coupled to at least one communication endpoint. A gateway device or a controller is configured to: when receiving communication data of end-to-end communication, route the communication data by using a first communication link indicated by a local routing policy, and if the first communication link is abnormal, route a part or all of the communication data by using a second communication link. The system may be used in the field of assisted driving and self-driving.

Abstract: An emergency call method applied to a vehicle-mounted communications system and the method includes a telematics box that activates a host function. The host function includes controlling a first transmission node and a peripheral connected to the first transmission node. The telematics box is coupled to the first transmission node, and the telematics box may perform data transmission with the first transmission node using the host function. The first transmission node is in a master node mode.

Abstract: Embodiments of this application disclose a data transmission method and a communications apparatus. A method in an embodiment includes: sending, by a network device, first data to a terminal in a first subframe through a first channel, where the first channel is a channel occupied in a channel system by a service between the network device and the terminal; performing, by the network device, channel listening on a channel that is not occupied in the channel system by the service; and when there is a second channel in an idle state, sending, by the network device, second data of the service to the terminal in a second subframe through the first channel and the second channel, where the second subframe is after the first subframe. The service includes the first data and the second data, and a data frame of the service includes the first subframe and the second subframe.

Abstract: A method is described wherein a user equipment (UE) receives first information indicating a direction of data received by a base station in each one of a plurality of time periods. The UE maintains a first list including a sequence of the directions in which the base station receives the data. The sequence indicates channel quality when the base station receives, in the different directions, the data. The UE receives second information indicating listening durations to listen on a channel in the different directions in the first list, and a listening duration corresponding to a direction ranked higher is shorter. The UE determines, in accordance with the start of the first time period and based on the second information, a first listening duration corresponding to the first direction. If the channel is idle within the first listening duration, the UE accesses the channel.