WO2020020324A1 - 信号传输方法及装置、显示装置 - Google Patents
信号传输方法及装置、显示装置 Download PDFInfo
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- WO2020020324A1 WO2020020324A1 PCT/CN2019/097830 CN2019097830W WO2020020324A1 WO 2020020324 A1 WO2020020324 A1 WO 2020020324A1 CN 2019097830 W CN2019097830 W CN 2019097830W WO 2020020324 A1 WO2020020324 A1 WO 2020020324A1
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Definitions
- the present disclosure relates to the technical field of signal transmission, and in particular, to a signal transmission method and device, and a display device.
- the display device includes a display panel and a driving structure for driving the display panel.
- the driving structure includes a controller and a driver.
- P2P peer-to-peer
- the P2P technology refers to a technology in which a receiving end and a transmitting end of a signal transmission are directly connected for signal transmission without passing through a relay device.
- a signal transmission method which is applied to a receiving end.
- the signal transmission method includes: receiving a signal sent by a transmitting end through a transmission line; detecting whether a received signal has a transmission error; and when the received signal has a transmission When the error occurs, the receiving end adjusts at least one of the specified parameters affecting the anti-jamming capability of the signal on the transmission line, and / or controls the transmitting end to specify the anti-jamming capability of the signal on the transmission line. At least one of the parameters is adjusted.
- the receiving end adjusts at least one of the specified parameters affecting the anti-interference capability of the signal on the transmission line, and / or controls the transmitting end to affect the signal on the transmission line.
- Adjusting at least one of the specified parameters of the anti-jamming capability includes: determining target parameter information based on the received signal; the target parameter information includes a first indication of at least one adjustable parameter among the specified parameters Information, the first indication information includes parameter value or adjustment degree information; according to the target parameter information, the receiving end adjusts at least one parameter corresponding to the target parameter information, and / or controls the transmission The end adjusts at least one parameter corresponding to the target parameter information.
- the determining target parameter information based on the received signal includes determining a degree parameter of the received signal, the degree parameter being configured to reflect an occurrence of the received signal The severity of the transmission error; querying the pre-established degree parameter range and parameter information as the target parameter information; each parameter information recorded in the correspondence includes a first indication of at least one of the specified parameters Information, the first indication information includes parameter value or adjustment degree information.
- the specified parameter includes a first parameter adjustable by a transmitting end and a second parameter adjustable by a receiving end
- the first indication information includes a target parameter value
- the according to the target parameter information Adjusting, by the receiving end, at least one parameter corresponding to the target parameter information, and / or controlling the transmitting end to adjust at least one parameter corresponding to the target parameter information, including: adjusting the target parameter
- the information includes the target parameter value of the first parameter
- sending the target parameter value of the first parameter to the transmitting end so as to control the transmitting end to adjust the parameter value of the first parameter, so that the adjustment
- the parameter value of the subsequent first parameter is equal to the corresponding target parameter value in the target parameter information
- the target parameter information includes the target parameter value of the second parameter
- the receiving end adjusts the first parameter value.
- the parameter value of the two parameters is such that the parameter value of the adjusted second parameter is equal to the corresponding target parameter value in the target parameter information.
- the specified parameter includes a first parameter adjustable by a transmitting end and a second parameter adjustable by a receiving end
- the first indication information includes target adjustment degree information
- the receiving end adjusts at least one parameter corresponding to the target parameter information, and / or controls the transmitting end to adjust at least one parameter corresponding to the target parameter information, including:
- the target parameter information includes target adjustment degree information of the first parameter
- the target parameter information includes the target adjustment degree information of the second parameter, adjust the first parameter according to the corresponding target adjustment degree information in the target parameter information.
- the first parameter includes at least one of a driving current, a swing amplitude, and a slew rate at a transmitting end;
- the second parameter includes a swing amplitude, an equalizer, a matching resistance at a receiving end, and a filter of a filter At least one of a parameter and a driving current at the receiving end.
- the receiving end adjusts at least one of the specified parameters affecting the anti-interference capability of the signal on the transmission line, and / or controls the transmitting end to affect the signal on the transmission line.
- Adjusting at least one of the specified parameters of the anti-jamming capability includes: in accordance with the priority order of each parameter in the specified parameter, the receiving end adjusts each of the parameters in turn, and / or controls the The transmitting end adjusts each of the parameters in turn until the adjustment end condition is reached.
- the adjustment end condition includes at least one of the following: a signal received again from the transmitting end has no transmission error; completion of adjustment of all parameters of the specified parameter; completion of the adjustment of the parameters Adjustment of the specified number of parameters in the specified parameters.
- the receiving end adjusts each of the parameters in order, and / or controls the transmitting end to sequentially perform each of the parameters.
- Performing the adjustment includes performing at least one of the following in accordance with the priority order of each parameter in the specified parameter: increasing the parameter value of the third parameter; and sending a second instruction information to the transmitting end, the second instruction information Configured to instruct the transmitting end to increase the parameter value of the first parameter; execute a fourth parameter adjustment process at least once, the fourth parameter adjustment process including increasing or decreasing the parameter value of the fourth parameter;
- the third parameter includes at least one of a swing amplitude and a driving current at a receiving end
- the first parameter includes at least one of a driving current, a swing amplitude, and a slew rate at a transmitting end
- the fourth parameter includes At least one of an equalizer, a matching resistor at the receiving end, and a filtering parameter of a filter.
- the priority of the third parameter is greater than the priority of the first parameter, and the priority of the first parameter is greater than the priority of the fourth parameter.
- the signal on the transmission line is transmitted in the form of a data packet
- the detecting whether the received signal has a transmission error includes any one of the following two combinations: a: recording received through the transmission line The packet loss rate of the received signal. When the packet loss rate is greater than the specified packet loss rate threshold, it is determined that there is a transmission error in the received signal; b: when the received data packet meets the specified condition, the received signal is determined.
- the specified condition includes at least one of the following: the number of data packets with transmission errors received within a specified time period is greater than the first specified number of thresholds; appearing in the received specified number of data packets The number of data packets with transmission errors is greater than the second specified number threshold; the number of data packets with consecutive transmission errors in the received specified number of data packets is greater than the third specified number threshold.
- the method further comprises: after adjusting at least one of the specified parameters, when a restoration condition is reached, restoring a corresponding parameter in the specified parameter to an initial setting, the initial setting Setting before adjusting the corresponding parameter in the specified parameter; the recovery condition includes at least one of the following: a time interval between the current time and the adjustment time of the specified parameter is greater than a specified time interval; and the receiving end is powered on again.
- a signal transmission method is provided.
- the signal transmission method is applied to a transmitting end, and the signal transmitting method includes: sending a signal to a receiving end through a transmission line; receiving a control signal sent by the receiving end, the control signal being received by the receiving end upon detection The signal is sent after a transmission error exists; based on the received control signal, adjusting at least one of the specified parameters affecting the anti-interference ability of the signal on the transmission line.
- the control signal includes first indication information of a first parameter; the first parameter is a parameter adjustable by the transmitting end among specified parameters affecting the anti-interference capability of the signal on the transmission line, and
- the first indication information includes a target parameter value or target adjustment degree information; and adjusting, based on the received control signal, at least one parameter of a specified parameter that affects an anti-interference capability of a signal on the transmission line, includes: The first indication information of the first parameter included in the received control signal adjusts the first parameter.
- the first indication information includes a target parameter value
- the adjusting the first parameter based on the first indication information of the first parameter included in the received control signal includes: adjusting The parameter value of the first parameter is such that the parameter value of the adjusted first parameter is equal to the target parameter value included in the received first instruction information.
- the first indication information includes target adjustment degree information
- the adjusting the first parameter based on the first indication information of the first parameter included in the received control signal includes: The first parameter is adjusted according to the target adjustment degree information included in the received first instruction information.
- the control signal includes second indication information of a first parameter; the first parameter is a parameter that is adjustable by the transmitting end among specified parameters that affect the anti-interference capability of the signal on the transmission line, so
- the second instruction information is configured to instruct the transmitting end to increase a parameter value of the first parameter; and based on the received control signal, the specified parameter affecting the anti-interference capability of the signal on the transmission line is increased.
- Adjusting at least one parameter includes increasing a parameter value of the first parameter based on the received second indication information of the first parameter included in the control signal.
- the first parameter includes at least one of a driving current, a swing amplitude, and a slew rate of the transmitting end.
- the signal transmission method further includes: after adjusting at least one of the specified parameters, when a restoration condition is reached, restoring a corresponding parameter in the specified parameter to an initial setting, the The initial setting is the setting before the corresponding parameter adjustment in the specified parameter; the recovery condition includes at least one of the following: the time interval between the current time and the adjustment time of the specified parameter is greater than the specified time interval; the transmitting end is on again Electricity.
- a signal transmission device is provided.
- the signal transmission device is applied to a receiving end, and the signal transmission device includes a first receiving part, a detecting part, a control part, and a first adjusting part.
- the first receiving component is configured to receive a signal transmitted by a transmitting end through a transmission line.
- the detecting means is configured to detect whether there is a transmission error in the received signal.
- the control component is configured to control the first adjustment component to adjust at least one of the specified parameters affecting the anti-interference capability of the signal on the transmission line when there is a transmission error in the received signal, and to control
- the transmitting end adjusts at least one parameter of a specified parameter affecting the anti-interference ability of a signal on the transmission line.
- the first adjusting component is configured to adjust at least one parameter of a specified parameter affecting the anti-interference ability of a signal on the transmission line under the control of the control component.
- a signal transmission device is provided.
- the signal transmission device is applied to a transmitting end.
- the signal transmission device includes: a transmitting component, a second receiving component, and a second adjusting component.
- the transmitting component is configured to transmit a signal to a receiving end through a transmission line.
- the second receiving component is configured to receive a control signal sent by the receiving end, and the control signal is sent by the receiving end after detecting that there is a transmission error in the received signal.
- the second adjustment component is configured to adjust at least one parameter of a specified parameter affecting the anti-interference ability of a signal on the transmission line based on the received control signal.
- a signal transmission device is provided.
- the signal transmission device is applied to a receiving end, and the signal transmission device includes a memory and a processor.
- the memory is configured to store executable instructions.
- the processor is configured to execute the executable instructions to implement one or more steps in the signal transmission method according to any one of the above embodiments.
- a signal transmission device is provided.
- the signal transmission device is applied to a transmitting end, and the signal transmission device includes a memory and a processor.
- the memory is configured to store executable instructions.
- the processor is configured to refer to a memory that executes the executable instructions; wherein when the processor executes the executable instructions, the processor can implement the signal transmission method according to any one of the second aspects.
- a display device in another aspect, includes a controller and a plurality of drivers. Each of the plurality of drivers is coupled to the controller through a transmission line. Each of the drivers includes the signal transmission device according to the foregoing embodiment, and the controller includes the signal transmission according to the fourth aspect. Device.
- a computer-readable storage medium is provided. Instructions are stored in the computer-readable storage medium, and when the instructions are run on a processing component, the processing component is caused to execute the signal transmission method according to the foregoing embodiment.
- FIG. 1 is a schematic diagram of an implementation environment of a signal transmission method according to some embodiments.
- FIG. 2 is a schematic diagram of an implementation environment of another signal transmission method according to some embodiments.
- FIG. 3 is an exemplary signal diagram according to some embodiments.
- FIG. 4 is another exemplary signal diagram according to some embodiments.
- FIG. 5 is a schematic circuit diagram of an exemplary transmitting end and a receiving end according to some embodiments
- FIG. 6 is a flowchart of a signal transmission method according to some embodiments.
- FIG. 7 is a flowchart of another signal transmission method according to some embodiments.
- FIG. 8 is a flowchart of another signal transmission method according to some embodiments.
- FIG. 9 is a flowchart of a method for detecting whether there is an error in a transmitted signal according to some embodiments.
- FIG. 10 is a flowchart of a method for a receiver to determine target parameter information according to some embodiments
- 11 is a flowchart of another method for determining target parameter information by a receiving end according to some embodiments.
- FIG. 13 is a flowchart of a method for adjusting a specified parameter according to some embodiments.
- FIG. 14 is a block diagram of a signal transmission apparatus according to some embodiments.
- 15 is a block diagram of another signal transmission apparatus according to some embodiments.
- FIG. 16 is a schematic structural diagram of a display device according to some embodiments.
- FIG. 1 is a schematic diagram of an implementation environment of a signal transmission method provided by some embodiments of the present disclosure.
- the signal transmission method is applied to a display device.
- the display device may be a notebook computer, a television, a liquid crystal panel, E-paper, Organic Light-Emitting Diode (OLED for short) panels, mobile phones, tablet computers, monitors, digital photo frames or navigators and any other products or components with display functions.
- OLED Organic Light-Emitting Diode
- the display device includes a controller 10 and a plurality of drivers 20.
- the controller 10 is coupled to the plurality of drivers 20 in a one-to-one correspondence through a plurality of transmission lines H, and signals between the controller 10 and the drivers 20 pass through.
- Transmission line H transmits.
- the controller 10 is further connected with a signal line L, and each driver 20 is coupled to the signal line L.
- the above driver 20 may be a source driver chip or a gate driver chip
- the controller 10 may be a timing controller, a graphics processor, a system chip (System Chip) (SOC), and a micro-control unit (integrated in the timing controller) Microcontroller (Unit, MCU for short).
- SOC System Chip
- MCU Microcontroller
- FIG. 2 uses the controller as the timing controller 101 and the driver as the source driver chip 201 as an example.
- the timing controller 101 is coupled to the source driver chips 201 through a plurality of transmission lines H in a one-to-one correspondence. Then, the timing controller 101 is further connected to a signal line L, and each source driving chip 201 is coupled to the signal line L.
- the signal transmission rate of the signal line L is smaller than the signal transmission rate of the transmission line H.
- This signal line L is called a low-speed signal line, and is usually used to indicate the level status.
- the transmission line H is called a high-speed signal line or a high-speed transmission line, and is usually used to transmit high-speed differential signals.
- the transmission line H may be a differential signal line.
- the signals on the differential signal line are transmitted in one direction.
- FIG. 1 The signal transmission direction of the differential signal line is the direction from the controller to the driver.
- the signal transmission direction of the differential signal line is the direction from the timing controller to the source driver chip.
- the transmitting end and the receiving end are relative concepts.
- the end transmitting a signal is referred to as a transmitting end
- the end receiving a signal is referred to as a receiving end.
- the transmitting end and the receiving end may correspond according to a direction of signal transmission. Change, for example, when the controller sends a signal to the driver through a transmission line, the transmitting end is the controller and the receiving end is the driver.
- the transmitting end and the receiving end can perform high-speed transmission of signals through P2P technology.
- the clock is usually embedded, and the clock is restored by the characteristics of the signal received by the source driver chip through the transmission line (ie, the above-mentioned transmission line H), and an additional signal line is used. (Ie, the above-mentioned signal line L) to indicate the level state.
- the transmission line may be subject to interference due to the high transmission rate. For example, if a mobile phone that is talking is close to a working display device, the signals transmitted at a high rate in the display device will crosstalk with the Global System for Mobile Communication (GSM) signals. As a result, the display of the display device is abnormal.
- GSM Global System for Mobile Communication
- the anti-interference ability of the signal on the transmission line can be improved by adjusting the specified parameters in the transmitting end and the receiving end that affect the anti-interference ability of the signal.
- the specified parameters may include a first parameter adjustable at the transmitting end and a second parameter adjustable at the receiving end.
- the first parameter adjustable at the transmitting end includes at least one of a driving current, a swing level, and a slew rate (SR) of the transmitting end.
- SR slew rate
- the driving current at the transmitting end is the current used to drive the working of the transmitting end; the swing is used to characterize the degree of signal fluctuation.
- the magnitude of the driving current at the transmitting end is proportional to the magnitude of the swing, that is, the larger the driving current at the transmitting end, the larger the swing, the larger the swing, the larger the swing, the larger the eye height of the signal eye diagram, and the greater The stronger the interference ability; the larger the slew rate, the larger the eye width of the signal eye diagram, and the stronger the anti-interference ability of the signal on the transmission line.
- the signal eye diagram refers to a pattern observed on an oscilloscope when using experimental methods to estimate and improve the performance of a signal on a transmission line, which can characterize the transmission quality of the signal.
- the second parameter adjustable at the receiving end includes at least one of a swing amplitude, an equalizer, a matching resistor at the receiving end, a filtering parameter of a filter, and a driving current at the receiving end.
- the equalizer refers to a device used to correct the amplitude frequency characteristics and phase frequency characteristics of the transmission channel during the signal transmission process, which can be a software module or a hardware device; the matching resistance at the receiving end refers to the receiving
- the resistor provided at the terminal is an adjustable resistor in some embodiments of the present disclosure.
- the resistor can consume the energy of the high-speed signal at the receiving end, which can reduce or avoid the phenomenon of signal reflection after the high-speed signal reaches the receiving end. In order to avoid the actual transmission of high-speed signals from being reflected by the reflected high-speed signals.
- the driving current at the receiving end refers to the current used to drive the working of the receiving end.
- the larger the driving current at the receiving end the stronger the receiving end's ability to receive high-speed signals. In this way, it can receive high-speed signals with weak signal strength and avoid high speed The loss of signal enhances the anti-interference ability of high-speed signals.
- the filter can be set at the front end of the receiving end to filter the noise signal in the signal transmitted on the transmission line, so that the signal actually transmitted by the transmitting end passes normally, and at the same time, the noise signal is filtered.
- the filter may be a filter in the form of hardware.
- the filter may be a filter in the form of a double-ended or single-ended circuit, or a filter in the form of a device such as a ceramic filter.
- the filter may also be a software filter, for example, the filter may be a digital filter.
- the filter in the form of hardware may be a filter made of shielding materials such as copper foil, aluminum foil, conductive cloth, or a wave absorbing material, but this may cause an increase in equipment costs.
- the filter is a software filter, there is no need to add shielding materials.
- the filter is a hardware filter
- the signal sent by the transmitting end through the transmission line is filtered by the filter before being transmitted to the receiving end.
- the filter is a software filter
- the signal sent by the transmitting end through the transmission line is filtered by the filter before being transmitted to the receiving end; in another implementable manner, The receiving end controls whether the high-speed signal sent by the transmitting end passes the filter according to the situation.
- the receiving end needs to adjust the filtering parameters of the filter to control the signal sent by the transmitting end to pass through the filter.
- the frequency of the useful signal and the noise signal in the received signal are not significantly different, for example, the frequency of the useful signal and the frequency of the noise signal are both about 400 MHz, and when the frequency of the useful signal and the frequency of the noise signal cannot be distinguished.
- the receiving end does not need to adjust the filtering parameters of the filter, and controls the signal sent by the transmitting end not to pass through the filter.
- the filter may be a band-pass filter.
- FIG. 3 is a schematic diagram of a signal interfered with by a noise signal provided by some embodiments of the present disclosure
- FIG. 4 is a signal subject to noise in FIG. 3. Schematic diagram of the signal after the interfering signal is filtered by the band-pass filter.
- the band-pass filter is used to filter the signal interfered by the noise signal, the noise signal is filtered, thereby improving the accuracy of the signal received by the receiving end. Sex.
- the filtering parameter of the filter refers to a parameter that can affect the filtering effect of the filter.
- the filtering parameter of the filter may include a filtering strength and / or a filtering frequency band.
- the filtering strength can be enhanced, or the filtering frequency band can be increased to a noise frequency band.
- the filtering strength can also be increased while increasing the filtering frequency band to a noise frequency band. In order to increase the filtering strength of the noise signal, the filtering effect of the noise signal is further improved.
- the magnitude of the swing amplitude and the driving current at the receiving end are both proportional to the anti-interference ability of the signal, that is, the larger the swing current and the driving current at the receiving end, the stronger the anti-interference ability of the signal.
- the relationship between the matching resistance of the equalizer, the receiving end and the filter, and the anti-interference ability of the signal is that the anti-interference ability of the signal first increases with the increase of the matching resistance of the equalizer, the receiving end, and the filter.
- the filtering parameters of the equalizer, the matching resistor at the receiving end, and the filter need to be adjusted in combination with the actual situation.
- the structures of the transmitting end and the receiving end, especially the circuit structure are different, and the parameter adjustment methods are different.
- FIG. 5 is a schematic diagram of a circuit structure of a transmitting end and a receiving end according to an exemplary embodiment.
- the left side of the dotted line L is the transmitting end 10 and the right side is the receiving end 20.
- the transmission line is a differential signal line, and the differential signal line includes a first transmission signal line Q1 and a second transmission signal line Q2.
- Transmitter 10 includes: two parallel wires disposed between the first signal terminal and a ground terminal G1, D1, and SW 1, SW 2, SW 3 and SW 4 four switches, wherein the wire has a series out switch SW 1 And switch SW 3 , and another switch is connected in series with switch SW 2 and switch SW 4 .
- the receiving end 20 includes a first conductive line provided between the first power supply terminal D2 and the ground terminal G2, a second conductive line provided between the second power supply terminal D3 and the ground terminal G3, and a gate and the first transmission signal line Q1.
- the first transistor M 1 coupled to the second transistor M 2 , the gate of which is coupled to the second transmission signal line Q 2 , and the matching resistor R at the receiving end.
- One end of the first transmission signal line Q1 is connected to the potential point a, and the other end is connected to the gate of the first transistor M 1 .
- One end of the second transmission signal line Q2 is connected to the potential point b, and the other end is connected to the gate of the second transistor M 2 .
- the matching resistor R at the receiving end is provided between the first transmission signal line Q1 and the second transmission signal line Q2, where the potential point a is the potential point between the switch SW 2 and the switch SW 4 , and the potential point b is the switch SW 1 and 3 potential point between the switch SW.
- the signal input terminal Din + of the receiving terminal 20 is the gate of the second transistor M 2
- the signal input terminal Din ⁇ of the receiving terminal 20 is the gate of the first transistor M 1
- the signal output terminal Vout + of the receiving terminal 20 is located at the first D2 between the supply terminal and the first electrode of the first transistor M 1 and the reception signal output terminal Vout 20 - located between the second supply terminal D3 of the first electrode of the second transistor M 2
- M 1 of a first transistor the second electrode is connected to the ground terminal G2
- a second electrode of the second transistor M and the ground terminal 2 is connected to G3.
- the first electrode and the second electrode are one of a source electrode and a drain electrode, that is, when the first electrode is the source electrode, the second electrode is the drain electrode, and when the first electrode is the drain electrode, the second electrode is the source electrode.
- the receiving end 20 further comprising: a first power supply terminal D2 connected in series with the first transistor resistance R a M 1 between the first electrode and the second power supply terminal D3 connected in series with the second transistor M 2 A resistor R b between the first poles, a capacitor C 1 and a resistor R 1 connected in parallel between the second pole of the first transistor M 1 and the second pole of the second transistor M 2 .
- the resistance R a and R b is an adjustable resistance resistor.
- For the transmitter 10 can be opened out switch SW 1 and the switch SW 4 by simultaneously, or simultaneously opens the switch SW 2 and the switch SW 3 is controlled manner the flow direction of the emission end of the driving current I TX.
- the driving current at the transmitting end passes through the switch SW 1 , the potential point b, the second transmission signal line Q2, the resistor R, the first transmission signal line Q1, the potential point a, And switch SW 4 , at this time, the driving current flowing through the transmitting terminal 10 flows counterclockwise.
- the driving current of the transmitting terminal passes through the switch SW 2 , the potential point a, the first transmission signal line Q1, the resistor R, the second transmission signal line Q2, the potential point b, and the switch SW 3 At this time, the driving current flowing through the transmitting terminal 10 flows clockwise.
- the magnitude of the driving current I TX and / or the magnitude of the swing of the transmitting terminal 10 can be adjusted by adjusting the switches SW 1 and SW 2 .
- Exemplary, out switch SW 1 and the switch SW 2 is composed of a plurality of switching transistors, in the open or switch out switch SW 1 SW 2, the number or switch out switch SW 1 SW 2 can be opened by a transistor controlled to control the transmitter 10
- the magnitude of the driving current I TX Under the condition that the resistance R is unchanged, the magnitude of the swing is proportional to the magnitude of the driving current I TX at the transmitting terminal 10, so the magnitude of the swing can also be controlled by controlling the magnitude of the driving current I TX at the transmitting terminal 10. .
- the slew rate refers to the conversion rate of the voltage of the signal output from the transmitting terminal 10, that is, the magnitude of the change in the output voltage value of the device per unit time (usually in microseconds).
- the magnitude of the slew rate can be adjusted by adjusting the switching rate of the corresponding switch.
- the switching rate of the corresponding switch is increased during the conduction of the circuit of the transmitting terminal 10, so that the change in the output voltage value of the switch in a unit time will increase. For example, when the circuit is on, the circuit voltage is 6V. Before increasing the corresponding switching rate, the opening rate of the switch is 2 ⁇ s.
- the change in the output voltage value of the switch per unit time is 3V / ⁇ s; and increasing the corresponding switch After the switching rate of the switch, the opening rate of the switch is 1 ⁇ s. In this way, the change in the output voltage value of the switch in a unit time is 6 V / ⁇ s. In this way, the magnitude of the slew rate can be adjusted by adjusting the switching rate of the corresponding switch.
- the matching resistance R of the receiving end and the driving current I RX (the current flowing through the first lead, the resistor R 1 , and the second lead) of the receiving end can be directly adjusted by adjusting the capacitance C 1 and the resistance R 1
- the size can be adjusted to the swing and equalizer size.
- circuit structure of the transmitting end and the receiving end shown in FIG. 5 is only a schematic illustration.
- the circuit structure of the transmitting end and the receiving end may have other forms, for example, based on the series shown in FIG. Or a parallel resistor or capacitor, etc., the corresponding parameter adjustment mode is correspondingly adjusted, which is not limited in the embodiments of the present disclosure.
- Some embodiments of the present disclosure provide a signal transmission method.
- the method includes the following steps:
- Step 301 The receiving end receives a signal sent by the transmitting end through a transmission line.
- Step 302 The receiving end detects whether there is a transmission error in the received signal.
- Step 303 When there is a transmission error in the received signal, the receiving end adjusts at least one of the specified parameters affecting the anti-interference capability of the signal on the transmission line, and / or, controls the transmitting end to resist the anti-interference capability of the signal on the transmission line. Adjust at least one of the specified parameters.
- the receiving end when the receiving end detects a transmission error of the received signal, the receiving end adjusts at least one of the specified parameters affecting the anti-interference ability of the signal on the transmission line. , And / or, the receiving end controls the transmitting end to adjust at least one of the specified parameters affecting the anti-interference ability of the signal on the transmission line to improve the anti-interference ability of the signal on the transmission line, so that when the external electromagnetic interference is received, the signal on the transmission line It is not easy to lose, thereby improving the accuracy of the signal received by the receiving end.
- controlling the transmitting end to adjust at least one of the specified parameters affecting the anti-interference ability of the signal on the transmission line includes: When a signal has a transmission error, a control signal is sent to the transmitting end to control the transmitting end to adjust at least one of the specified parameters affecting the anti-interference ability of the signal on the transmission line.
- Some embodiments of the present disclosure provide a signal transmission method.
- the method includes the following steps:
- Step 401 The transmitting end sends a signal to the receiving end through a transmission line.
- Step 402 The transmitting end receives a control signal sent by the receiving end.
- the control signal is sent by the receiving end after detecting that there is a transmission error in the received signal.
- the control signal may be first indication information of a first parameter, and the first parameter is a parameter adjustable by the transmitting end among the specified parameters affecting the anti-interference ability of the signal on the transmission line, and the first indication information includes the target parameter value Or target adjustment information.
- the control signal may further include second indication information, where the second indication information is used to instruct the transmitting end to increase a parameter value of the first parameter.
- Step 403 Based on the received control signal, the transmitting end adjusts at least one of the specified parameters affecting the anti-interference ability of the signal on the transmission line.
- the signal transmission method can send a control signal to the transmitting end when the receiving end detects that the received signal has a transmission error, and the transmitting end receives the control signal, and based on the control signal Adjusting at least one of the specified parameters affecting the anti-interference ability of the signal on the transmission line to improve the anti-interference ability of the signal on the transmission line, so that when the signal on the transmission line is subject to external electromagnetic interference, the signal on the transmission line is not easily lost, This improves the accuracy of the signals received by the receiving end.
- the receiving end when the receiving end detects that there is a transmission error in the received signal, there may be multiple ways to adjust at least one of the specified parameters.
- the embodiments of the present disclosure use the following two methods as examples. Instructions.
- the receiving end when the receiving end detects a transmission error of the received signal, it first determines the target parameter information that needs to be adjusted. Based on the target parameter information, the receiving end sets the specified parameter that affects the anti-interference ability of the signal on the transmission line. At least one of the parameters is adjusted, and / or, the transmitting end is controlled to adjust the parameter of at least one of the specified parameters affecting the anti-interference ability of the signal on the transmission line.
- the signal transmission method may include the following steps:
- Step 501 The transmitting end sends a signal to the receiving end through a transmission line. Go to step 502.
- the transmitting end is a timing controller
- the receiving end is a source driving chip
- the transmission line is a differential signal line, that is, the timing controller sends a high-speed differential signal to the source driving chip through the differential signal line.
- Step 502 The receiving end detects whether there is a transmission error in the received signal.
- the target data that the transmitting end needs to send is divided into data packets for transmission by the transmitting end.
- packet loss may occur during the transmission of data packets.
- the packet loss rate is the ratio of the number of lost packets to the total number of packets transmitted.
- the receiving end cannot recover the signal sent by the transmitting end, which can be regarded as a signal transmission error.
- the receiving end can detect whether there is an error in the received signal by detecting the packet loss rate of the received signal within a specified period of time. Please refer to FIG. 9.
- the above process of detecting whether the received signal has a transmission error may include the following steps: :
- Step 5021 The receiving end records a packet loss rate of a signal received through the transmission line.
- the transmitting end When transmitting the signal, the transmitting end divides the signal into multiple groups of target data for transmission.
- the transmitting end divides the target data to be transmitted into multiple data packets.
- the multiple data packets are usually transmitted continuously.
- the size (also called the amount of data) and the size of each set of target data can be pre-approved at the transmitting end and the receiving end. Data packets belonging to the same set of target data are identified in a pre-approved manner. For example, if the target data is a frame of image data, the first packet and the last packet of the frame of image data both carry the specified control instruction.
- the first packet carries the instruction CTRL_L, and CTRL_L is configured to indicate The identifier of the start of a frame of image data; the last packet carries the instruction CTRL_F, and an identifier used to indicate the end of a frame of image data is configured in CTRL_F; for another example, if the target data is a line of image data, the first of the line of image data
- Each data packet and the last data packet carry a designated identifier, wherein the first data packet carries an identifier K1 and the last data packet carries an identifier K2, where K1 indicates the beginning of each line of data and K2 indicates each End of row data.
- the receiving end can determine the number of data packets T1 received from the set of target data by identifying the corresponding identifier, and use the packet loss rate calculation formula to calculate the packet loss of the set of target data.
- the packet loss rate of the above signals is also the packet loss rate of each group of target data.
- Step 5022 When the packet loss rate is greater than the specified packet loss rate threshold, the receiving end determines that there is a transmission error in the received signal.
- the receiver can set a packet loss rate threshold. When the receiver detects that the packet loss rate of the received signal is greater than the packet loss rate threshold, it determines that there is a transmission error in the received signal; when the receiver detects the loss of the received signal When the packet rate is not greater than the packet loss rate threshold, it is determined that there is no transmission error in the received signal.
- the packet loss rate of the signal is the packet loss rate of each set of target data
- the receiving end detects that the packet loss rate of any set of target data is greater than the packet loss rate threshold, it is determined that the received signal exists Transmission error; when the packet loss rate of each set of target data detected by the receiving end is not greater than the packet loss rate threshold, it is determined that there is no transmission error in the received signal.
- the packet loss rate threshold is 10%
- the packet loss rate threshold is 10%
- step 5021 and step 5022 use the packet loss rate of the signal as an example to describe the packet loss rate of each group of target data.
- the algorithm of the packet loss rate may have other methods. Embodiments of the present disclosure I will not repeat them here.
- the received data packet meets a specified condition, it is determined that there is a transmission error in the received signal.
- the specified condition includes at least one of the following: the number of data packets with transmission errors received within a specified time period is greater than the first specified number threshold; the number of data packets with transmission errors in the specified number of data packets received The number is greater than the second specified number threshold; the number of consecutive data transmission errors in the received specified number of data packets is greater than the third specified number threshold.
- each data packet has a fixed encoding format.
- each data packet includes a preamble, a start identifier, a data bit, and an end identifier arranged in order.
- the preamble is used to instruct the receiving end to perform clock and phase calibration.
- the start identifier is used to indicate the start of data transmission
- the data bit is used to carry configuration data (that is, the data that needs to be actually transmitted)
- the end identifier is used to indicate the end of data transmission.
- the preamble is obtained by continuous encoding of at least 8-bit binary zeros using Manchester encoding; the start identifier includes continuous at least 2-bit binary 0s; the configuration data carried by the data bits is data obtained using Manchester encoding; the end The identifier includes consecutive at least 2-bit binary ones.
- the receiving end After receiving a data packet, the receiving end detects whether there is an error in the signal encoding format in the data packet, and when an error occurs in the signal encoding format, it is determined that a transmission error occurs in the data packet.
- the number of packets with transmission errors received within the specified time period is greater than the first specified number threshold, and the number of packets with transmission errors in the received specified number of packets is greater than the second specified number threshold ,
- the number of consecutively transmitted data packets in the received specified number of data packets is greater than the third specified number threshold, and if at least one of the three specified conditions is met, it is determined that the received signal exists Transmission error.
- step 503 When the receiving end detects that there is a transmission error in the received signal, step 503 is performed, and when the receiving end detects that the received signal has no transmission error, step 501 is repeatedly performed.
- Step 503 The receiving end determines target parameter information based on the received signal. Step 504 is performed, or step 506 is performed, or step 504 and step 506 are performed.
- the target parameter information includes first indication information that specifies at least one parameter that can be adjusted among the parameters, and the first indication information includes parameter value or adjustment degree information.
- the parameter value is the value of the parameter.
- the value of the parameter is 2 or 10.
- the adjustment degree information is information for reflecting the adjustment degree of the parameter.
- the adjustment degree information is an adjustment gear value, which can be 1 or 2 gears, etc., or an adjustment proportion value, such as an increase of 5 percent. Or lower by 10 percent. That is, the target parameter information includes target parameter value of at least one parameter, or target adjustment degree information of at least one parameter.
- the receiving end may have multiple implementation methods for determining target parameter information based on the received signal.
- the embodiments of the present disclosure use the following two implementation methods as examples for description.
- the receiving end may determine the target parameter information by querying the correspondence table.
- the process may include the following steps:
- Step 5031 The receiving end determines a degree parameter of the received signal.
- the degree parameter is configured to reflect the severity of a transmission error in the received signal.
- the degree parameter may be a packet loss rate, which may be calculated by using the method described in step 5021 above. The higher the packet loss rate, the more serious the transmission error of the signal received by the receiving end.
- the degree parameter may also be a level, by which the severity of a transmission error occurring in the signal is characterized.
- a correspondence relationship between a range of packet loss rates and levels can be established. After the receiving end determines the packet loss rate of the received signal, it queries the correspondence between the range of packet loss rates and levels and determines the correspondence with the range of the packet loss rate Rating. For example, suppose that the receiving end determines that the packet loss rate of the signal received through the transmission line is 30%, and the level of the packet loss rate range from 20% to 40% obtained by querying 30% is level two, and the degree of determination parameter is level two.
- the degree parameter may also be other information, for example, the number of data packets with transmission errors received within a specified time period, or the number of data packets with transmission errors in the specified number of data packets received. Number, or the number of consecutively transmitted data packets among the specified number of received data packets, which is not limited in the embodiments of the present disclosure, as long as it can reflect the seriousness of the transmission errors in the received signal Degree.
- Step 5032 The receiving end queries the correspondence relationship between the degree parameter range and the parameter information established in advance, and obtains the parameter information corresponding to the degree parameter range where the degree parameter of the received signal is located, and uses the parameter information as the target parameter information.
- Each parameter information recorded in the corresponding relationship includes first indication information specifying at least one of the parameters, and the first indication information includes parameter value or adjustment degree information.
- the receiving end determines the degree parameter of the received signal, determines the degree parameter range in which the degree parameter is located, and obtains the target parameter value of at least one parameter corresponding to the degree parameter range, or the target adjustment degree information of the at least one parameter.
- the receiving end may determine target parameter information by establishing a parameter adjustment model in advance.
- the process may include the following steps:
- Step 5033 The receiving end determines a degree parameter of the received signal.
- the degree parameter is configured to reflect the severity of a transmission error in the received signal.
- Step 5034 The receiving end inputs the degree parameter into a preset parameter adjustment model.
- This parameter adjustment model is used to predict the parameter information corresponding to the degree parameter of the input parameter adjustment model.
- Step 5035 The receiving end receives the target parameter information output by the parameter adjustment model.
- the above-mentioned parameter adjustment model can be established through multiple experiments. After the receiver determines the degree parameter of the received signal, the degree parameter is input into the parameter adjustment model, and at least one corresponding to the degree parameter is obtained through the parameter adjustment model. The target parameter value of the parameter, or the target adjustment degree information of at least one parameter.
- the specified parameters include the first parameter adjustable by the transmitting end and the second parameter adjustable by the receiving end.
- the target parameter information may include the first indication information of the first parameter and / or the second parameter.
- First indication information wherein the first parameter includes at least one of a driving current, a swing amplitude, and a slew rate at a transmitting end, and the second parameter includes a swing amplitude, an equalizer, a matching resistance at a receiving end, a filtering parameter of a filter, and a receiving At least one of the driving currents of the terminals.
- the receiving end can perform the following steps:
- Step 504 When the target parameter information includes the first indication information of the first parameter, the receiving end sends the first indication information of the first parameter to the transmitting end. Go to step 505.
- the receiving end may directly send the first indication information of the first parameter to the transmitting end through the transmission line.
- the transmission line of the transmitting end and the receiving end performs a unidirectional transmission of the signal, that is, the signal can only be sent from the transmitting end to the receiving end from the transmission line, at this time the receiving end needs to send the first instruction information to the transmitting end through other methods.
- an additional signal line is provided between the transmitting end and the receiving end for transmitting the first instruction information. Taking the implementation environment shown in FIG. 1 and FIG. 2 as an example, a transmitting end and a receiving end are provided.
- the signal line L in an implementable manner, the signal on the signal line L can be transmitted in both directions, and the receiving end sends the first indication information of the first parameter to the transmitting end through the signal line L; in another In an implementable manner, since the signal line L can identify the level status, the receiving end can achieve the effect of notifying the first instruction information of the first parameter of the transmitting end by setting the level status on the signal line L high or low. , Which is equivalent to sending the first indication information of the first parameter to the transmitting end through the signal line L.
- the transmission line of the transmitting end and the receiving end can perform bidirectional transmission of signals, since the current transmission line is in a state where the signal is interfered, the first instruction information transmitted by the receiving end through the transmission line is also vulnerable to interference.
- the receiving end may also use the above additional signal line to send the first indication information of the first parameter.
- Step 505 The transmitting end adjusts the first parameter based on the received first indication information of the first parameter. Go to step 507.
- Step 506 When the target parameter information includes the first indication information of the second parameter, the receiving end adjusts the second parameter based on the first indication information of the second parameter. Go to step 508.
- the target parameter information includes target parameter value of at least one parameter, or target adjustment degree information of at least one parameter.
- the above steps 504 to 506 include: when the target parameter information includes the target parameter value of the first parameter, the receiving end sends the first The target parameter value of the parameter is sent to the transmitting end. Accordingly, the transmitting end adjusts the first parameter based on the target parameter value of the first parameter.
- the adjustment process includes: the transmitting end adjusts the first parameter so that the adjusted parameter value of the first parameter is equal to the corresponding value in the target parameter information. Target parameter value.
- the receiving end adjusts the second parameter based on the target parameter value of the second parameter.
- the adjustment process is: the receiving end adjusts the second parameter so that the adjusted second parameter The parameter value of is equal to the corresponding target parameter value in the target parameter information.
- the target parameter information includes the target parameter value of at least one parameter
- the correspondence between the degree parameter range and the target parameter value is shown in Table 1.
- Table 1 is used as an example for the above steps 504 to 506. Further explanation.
- the receiver determines that the degree parameter of the received signal is 45%, and determines the range in which the degree parameter is located: 41% to 60%
- querying Table 1 to obtain the target parameter information corresponding to the range is: the slew rate is e ,
- the equalizer is f
- the filtering parameter of the filter is g
- the receiving end sends the target parameter information of the target parameter value of the slew rate to the transmitting end, and the transmitting end adjusts the slew rate so that the adjusted slew rate
- the parameter value of is equal to e.
- the receiving end adjusts the filtering parameters of the equalizer and the filter so that the parameter value of the adjusted equalizer is equal to f and the parameter value of the adjusted filter parameter is equal to g.
- Degree parameter range Target parameter value 0 to 20% The driving current at the transmitting end is a, and the swing is b 21% ⁇ 40% The driving current at the transmitting end is c, and the matching resistance at the receiving end is d 41% ⁇ 60%
- the slew rate is e
- the equalizer is f
- the filtering parameter of the filter is g 61% ⁇ 80%
- the equalizer is m
- the driving current at the receiving end is n 81% to 100% Slew rate is t
- the matching resistance at the receiving end is k
- the above steps 504 to 506 include: when the target parameter information includes target adjustment degree information of the first parameter, the receiving end will The target adjustment degree information of the first parameter is sent to the transmitting end. Correspondingly, the transmitting end adjusts the first parameter based on the target adjustment degree information of the first parameter.
- the receiving end performs adjustment of the second parameter based on the target adjustment degree information of the second parameter.
- the target parameter information when the target parameter information includes target adjustment degree information of at least one parameter, the correspondence between the degree parameter range and the target adjustment degree information is shown in Table 2.
- Table 2 is used as an example for step 504 described above.
- the receiver determines that the degree parameter of the received signal is 45%, and determines that the degree parameter lies in a range of 41% to 60%.
- the target parameter information corresponding to this range is: the slew rate is increased by e%, the equalizer is decreased by f%, and the filter parameter of the filter is increased by g%.
- the receiver sends the target parameter information of the slew rate increased by e% to the transmitting end.
- the transmitting side adjusts the slew rate so that the parameter value of the adjusted slew rate increases by e% from the initial value
- the receiving side adjusts the filtering parameters of the equalizer and the filter so that the adjusted equalizer parameter value is at the initial.
- the value of f is reduced by f%, and the parameter value of the filtered parameter of the adjusted filter is increased by g% from the initial value.
- Tables 1 and 2 are only exemplary descriptions of some embodiments of the present disclosure.
- target parameter information of designated parameters may be determined according to requirements and experimental conditions. The embodiments of the present disclosure do not address this. Be limited.
- the transmitting end and / or the receiving end After at least one of the transmitting end and the receiving end adjusts the specified parameter, in an implementable manner, the transmitting end and / or the receiving end keep the parameter value of the adjusted specified parameter unchanged, and perform subsequent signal transmission. .
- the transmitting end and / or the receiving end After adjusting the specified parameters, for example, increasing some of the specified parameter values will cause the power consumption of the transmitting and receiving circuits to increase, thereby affecting the transmitting and receiving ends. Therefore, in order to reduce the power consumption increased by adjusting the specified parameters, the following steps 507 and 508 may be performed.
- Step 507 When the restoration condition is reached, the transmitting end restores the corresponding parameters in the specified parameters to the initial settings.
- This initial setting is the setting before the corresponding parameter adjustment in the specified parameter.
- the transmitting end restores the first parameter to the setting before adjustment.
- the examples shown in Tables 1 and 2 described above are still used as an example for description, that is, when the above-mentioned degree parameter is 45%, the adjustment of the first parameter by the transmitting end is used as an example.
- the initial setting of the rate is e 0.
- the transmitting end restores the parameter value of the slew rate from e to e 0 .
- the above restoration conditions may include at least one of the following:
- the first recovery condition is that the time interval between the current time and the adjustment time of the specified parameter is greater than the specified time interval.
- the specified time interval may be 5 minutes.
- the transmitting terminal adjusts the first parameter, if the time interval between the current time and the adjusting time of the first parameter is greater than 5 minutes, the first parameter may be restored to the initial setting; If the time interval between the current time and the adjustment time of the first parameter is not greater than 5 minutes, the parameter value of the first parameter is maintained at the current value.
- the specified time interval is 5 minutes
- the initial setting of the slew rate is e 0
- the parameter value of the adjusted slew rate is equal to e.
- the transmitter can restore the slew rate value to e 0. If the time interval between the current moment and the moment when the slew rate is adjusted is not greater than 5 minutes, the The value is still e.
- the transmitter is powered on again.
- the first parameter is restored to the initial setting.
- Step 508 When the restoration condition is reached, the receiving end restores the corresponding parameters in the specified parameters to the initial settings.
- This initial setting is the setting before the corresponding parameter adjustment in the specified parameter.
- the receiving end restores the second parameter to the setting before adjustment.
- the transmitting end restores the first parameter to the setting before adjustment in step 507, which is not described in the embodiment of the present disclosure.
- the above restoration conditions may include at least one of the following:
- the first recovery condition is that the time interval between the current time and the adjustment time of the specified parameter is greater than the specified time interval.
- the receiver In the second recovery condition, the receiver is powered on again.
- the second parameter is restored to the initial setting.
- the receiving end can directly obtain the target parameter value or the target adjustment degree information of the parameter to be adjusted according to the correspondence between the severity range of the transmission error and the parameter information. Adjusting the parameters to appropriate values simplifies the adjustment process and improves the efficiency of signal transmission.
- a receiving end when a receiving end detects a transmission error in a received signal, it can directly obtain the required adjustment according to the correspondence between the severity range of the transmission error and the parameter information.
- the target parameter information of the parameter and control at least one of the receiving end and the transmitting end to adjust the parameters that affect the anti-interference ability of the signal on the transmission line according to the target parameter information, thereby improving the anti-interference ability of the signal on the transmission line, During electromagnetic interference, the signal on the transmission line is not easily lost, thereby improving the accuracy of the signal received by the receiving end.
- the parameters in the specified parameters can be restored to the settings before adjustment, which effectively reduces the power consumption caused by adjusting the specified parameters, thereby increasing the life of the devices in the receiving end and the transmitting end.
- the receiving end can be set to automatically detect whether the received signal has a transmission error and automatically control at least one of the receiving end and the transmitting end to adjust, so that the signal on the transmission line can be achieved. Better anti-interference ability.
- the receiving end controls at least one of the receiving end and the transmitting end to adjust the parameters according to the priority order of each parameter in the specified parameter.
- the signal transmission method may include the following steps:
- Step 601 The transmitting end sends a signal to the receiving end through a transmission line. Go to step 602.
- step 601 For the process of step 601, reference may be made to the foregoing step 501, which is not described in this embodiment of the present disclosure.
- Step 602 The receiving end detects whether there is a transmission error in the received signal.
- step 603 When the receiving end detects that the received signal has a transmission error, step 603 is performed; when the receiving end detects that the received signal has no transmission error, step 601 is repeatedly performed.
- step 602 For the process of step 602, reference may be made to the foregoing step 502, which is not described in the embodiment of the present disclosure.
- Step 603 When the receiving end detects a transmission error in the received signal, the receiving end adjusts each parameter in the specified parameter that affects the anti-interference ability of the signal on the transmission line according to the priority order of each parameter in the specified parameter, and / Or, control the transmitting end to sequentially adjust each parameter until the adjustment end condition is reached. Go to step 604.
- the adjustment end condition includes at least one of the following conditions:
- the first condition is that there is no transmission error in the signal sent by the transmitting end received again.
- step 502 For a process of detecting whether there is a transmission error in a signal received by a transmitting end that is received again, refer to step 502 above, which is not described in the embodiment of the present disclosure.
- the second condition is to adjust all the parameters in the specified parameters.
- the receiving end controls at least one of the receiving end and the transmitting end to adjust all the parameters in the specified parameter according to the priority order of each parameter in the specified parameter
- the adjustment end condition is reached and the adjustment can be ended process.
- the third condition is to adjust the specified number of parameters in the specified parameters.
- a specified number may be set in advance, and the time for adjusting the specified number of parameters is the adjustment time.
- the adjustments made within the duration can quickly act as anti-interference.
- the above-mentioned priority order may be preset, or may be dynamically adjusted according to actual conditions, may be randomly determined, or may be obtained through calculation based on experience or experiments.
- the specified parameters include a first parameter adjustable by a transmitting end and a second parameter adjustable by a receiving end, and after receiving a signal, if the receiving end directly performs a second parameter that is adjustable by itself, Adjustment, there is no need to control the transmitter, reducing the control process.
- the second parameter the parameters such as the equalizer, the matching resistance at the receiving end, and the filtering parameters of the filter need to be adjusted according to the actual situation.
- the adjustment process may need to be performed multiple times, and the adjustment period is relatively long.
- the driving current can be adjusted directly by increasing, and the adjustment period is short. Therefore, the second parameter can be divided into a third parameter with a short adjustment period and a fourth parameter with a long adjustment period.
- the third parameter includes the pendulum. At least one of the amplitude and the driving current at the receiving end, and the fourth parameter includes at least one of an equalizer, a matching resistor at the receiving end, and a filtering parameter of the filter.
- the foregoing priority order may be the priority of the third parameter
- the priority is greater than the first parameter
- the priority of the first parameter is greater than the priority of the fourth parameter. The larger the parameter values of the third parameter and the first parameter are, the stronger the anti-interference ability of the signal is.
- the receiver can first adjust the parameters that have a significant impact on the anti-interference ability of the signal, and then adjust the parameters that need to be adjusted according to the actual situation. In this way, the resistance of the signal on the transmission line can be adjusted by adjusting the higher priority parameters.
- the interference capability achieves the required effect, no further adjustment of parameters with lower priority is required, thereby simplifying the adjustment process and further improving the efficiency of signal transmission.
- each parameter in the above-mentioned specified parameters there can be various ways to control at least one of the receiving end and the transmitting end to sequentially adjust each parameter in the above step 603.
- FIG. Perform at least one of the following steps 6031 to 6033 in priority order:
- Step 6031 The receiving end increases the parameter value of the third parameter.
- the receiving end may gradually increase the parameter value of the third parameter.
- the receiving end may gradually increase the parameter value of the third parameter according to a certain ratio, and the certain ratio may be 10% to improve the signal resistance.
- Interference ability For example, the receiving end may directly increase the parameter value of the third parameter to a maximum value, so that the anti-interference ability of the signal reaches the best effect.
- Step 6032 The receiving end sends the second instruction information to the transmitting end.
- the second instruction information is used to instruct the transmitting end to increase the parameter value of the first parameter.
- the transmitting end receives the second instruction information, based on the second instruction information, the parameter value of the first parameter is increased.
- the transmitting end may gradually increase the parameter value of the first parameter.
- the transmitting end may gradually increase the parameter value of the first parameter according to a certain ratio, and the certain ratio may be 10% to improve the signal resistance. Interference ability.
- the transmitting end may directly increase the parameter value of the first parameter to a maximum value, so that the anti-interference ability of the signal reaches the best effect.
- Step 6033 The receiving end executes the fourth parameter adjustment process at least once.
- the fourth parameter adjustment process includes increasing or decreasing the parameter value of the fourth parameter.
- the above-mentioned process of adjusting the fourth parameter may be performed multiple times. After passing through the fourth parameter adjustment process, if the anti-interference ability of the signal decreases , The fourth parameter adjustment process is performed again, and the adjustment direction of the fourth parameter adjustment process performed again is opposite to that of the last fourth parameter adjustment process. For example, when the fourth parameter adjustment process is performed by increasing the resistance value of the matching resistance at the receiving end, the anti-interference ability of the signal is reduced, and then the fourth value is performed again by reducing the resistance value of the matching resistance at the receiving end. Parameter adjustment process.
- the fourth parameter adjustment process may be performed again, and the adjustment direction of the fourth parameter adjustment process performed again and the last adjustment of the fourth parameter adjustment process The direction is the same. For example, when the fourth parameter adjustment process is performed by increasing the resistance value of the matching resistor at the receiving end, the anti-interference ability of the signal is improved, and then the fourth value is performed again by increasing the resistance value of the matching resistor at the receiving end. Parameter adjustment process.
- Step 604 When the restoration condition is reached, the receiving end and the transmitting end restore the corresponding parameters in the specified parameters to the initial settings.
- step 507 and step 508 For a process in which the receiving end and the transmitting end restore the corresponding parameters in the specified parameters to the initial settings, reference may be made to step 507 and step 508 described above, and details are not described herein in this embodiment of the present disclosure.
- the receiving end does not need to perform an action such as looking up a table, and directly adjusts parameters, and / or, controls the transmitting end to adjust the parameters, the adjustment process is relatively simple and rapid, and the adjustment efficiency is high.
- the receiving end when the receiving end detects a transmission error of the received signal, it can control at least one of the receiving end and the transmitting end according to the priority order of each parameter in the specified parameters.
- One end adjusts the parameters that affect the anti-interference ability of the signal on the transmission line to improve the anti-interference ability of the signal on the transmission line, so that when the external electromagnetic interference occurs, the signal on the transmission line is not easy to be lost, thereby improving the accuracy.
- the parameters in the specified parameters can be restored to the settings before adjustment, which effectively reduces the power consumption caused by adjusting the specified parameters, thereby increasing the life of the devices in the receiving end and the transmitting end.
- the receiving end can be set to automatically detect whether the received signal has a transmission error and automatically control at least one of the receiving end and the transmitting end to adjust, so that the signal on the transmission line can be achieved. Better anti-interference ability.
- the signal transmission device 700 includes:
- the first receiving part 701 is configured to receive a signal sent by a transmitting end through a transmission line.
- the detecting unit 702 is configured to detect whether there is a transmission error in the received signal.
- the control component 703 is configured to control the first adjustment component 704 to adjust at least one of the specified parameters affecting the anti-interference ability of the signal on the transmission line when the received signal has a transmission error, and control the transmitting end to influence the transmission line. At least one of the specified parameters of the signal anti-interference ability is adjusted.
- the first adjustment component 704 is configured to adjust at least one parameter of a specified parameter affecting the anti-interference ability of a signal on the transmission line under the control of the control component 703.
- the receiving end receives the signal sent by the transmitting end through the first receiving part 701, and when the receiving end detects the transmission error of the received signal through the detecting part 702, it can
- the control part 703 controls at least one of the first adjustment part 704 and the transmitting end to adjust at least one of the specified parameters affecting the anti-interference ability of the signal on the transmission line, thereby improving the anti-interference ability of the signal on the transmission line, so that when When subjected to external electromagnetic interference, the signal on the transmission line is not easily lost, thereby improving the accuracy of the signal received by the receiving end.
- control component 703 when there is a transmission error in the received signal, the control component 703 includes:
- a determination sub-module is used to determine target parameter information based on the received signal.
- the target parameter information includes first indication information that specifies at least one parameter that can be adjusted among the parameters, and the first indication information includes parameter value or adjustment degree information.
- a control sub-module is configured to control the first adjustment component 704 to adjust a parameter corresponding to the target parameter information according to the target parameter information, and / or control the transmitter to adjust a parameter corresponding to the target parameter information.
- the determining submodule is configured to:
- the degree parameter is used to reflect the severity of transmission errors in the received signal.
- Each parameter information recorded in the corresponding relationship includes first indication information specifying at least one of the parameters, and the first indication information includes parameter value or adjustment degree information.
- the specified parameters include a first parameter adjustable by the transmitting end and a second parameter adjustable by the receiving end.
- the control sub-module is configured to:
- the target parameter value of the first parameter is sent to the transmitting end to control the transmitting end to adjust the parameter value of the first parameter, so that the adjusted parameter of the first parameter The value is equal to the corresponding target parameter value in the target parameter information.
- the parameter value of the second parameter is adjusted by the receiving end, so that the parameter value of the adjusted second parameter is equal to the corresponding target parameter value in the target parameter information.
- the foregoing control submodule is configured to:
- the target adjustment degree information of the first parameter is sent to the transmitting end to control the transmitting end to adjust the first parameter according to the corresponding target adjustment degree information in the target parameter information.
- the target adjustment degree information of the second parameter is sent to the first adjustment component to control the first adjustment component according to the corresponding target adjustment degree information in the target parameter information. Adjust the second parameter.
- the first parameter includes at least one of a driving current, a swing amplitude, and a slew rate of the transmitting end.
- the second parameter includes at least one of a swing amplitude, an equalizer, a matching resistance at the receiving end, a filtering parameter of a filter, and a driving current at the receiving end.
- the above-mentioned first adjustment component 704 includes:
- An adjustment sub-module is used to control at least one of the receiving end and the transmitting end to sequentially adjust each parameter according to the priority order of each parameter in the specified parameter until the adjustment end condition is reached.
- the adjustment end condition includes at least one of the following:
- the foregoing adjustment submodule is used for:
- the second instruction information is used to instruct the transmitting end to increase a parameter value of the first parameter.
- the fourth parameter adjustment process includes increasing or decreasing a parameter value of the fourth parameter.
- the third parameter includes at least one of a swing and a driving current at the receiving end
- the first parameter includes at least one of a driving current at the transmitting end, a swing, and a slew rate
- the fourth parameter includes matching between the equalizer and the receiver At least one of a filter parameter of a resistor and a filter.
- the priority of the third parameter is greater than the priority of the first parameter, and the priority of the first parameter is greater than the priority of the fourth parameter.
- the signal on the transmission line is transmitted in a data packet manner
- the detection component 702 is configured to:
- the received data packet satisfies a specified condition, it is determined that there is a transmission error in the received signal.
- the specified condition includes at least one of the following: the number of data packets with transmission errors received within a specified time period is greater than the first specified number of thresholds; the number of data packets with transmission errors in the received specified number of data packets The number is greater than the second specified number threshold; the number of consecutive data transmission errors in the received specified number of data packets is greater than the third specified number threshold.
- the signal transmission device 700 further includes:
- the restoration component is used to restore the corresponding parameters in the specified parameters to the initial settings when the restoration conditions are reached after the parameters in the specified parameters are adjusted.
- This initial setting is the setting before the corresponding parameter adjustment in the specified parameter.
- the foregoing restoration conditions include at least one of the following:
- the time interval between the current time and the adjustment time of the specified parameter is greater than the specified time interval.
- the receiver is powered on again.
- the receiving end receives the signal sent by the transmitting end through the first receiving part 701, and when the receiving end detects the transmission error of the received signal through the detecting part 702, it can
- the control part 703 controls at least one of the first adjustment part 704 and the transmitting end to adjust parameters that affect the anti-interference ability of the signal on the transmission line, thereby improving the anti-interference ability of the signal on the transmission line, so that when subjected to external electromagnetic interference, The signal on the transmission line is not easy to be lost, thereby improving the accuracy of the signal received by the receiving end.
- the parameters in the specified parameters can be restored to the settings before the adjustment through the restoration component, which further effectively reduces the power consumption caused by adjusting the specified parameters, thereby increasing the life of the devices in the receiving end and the transmitting end.
- the receiving end can be set to automatically detect whether the received signal has a transmission error and automatically control at least one of the receiving end and the transmitting end to adjust, so that the signal on the transmission line can be achieved. Better anti-interference ability.
- control component 703 is further configured to send a control signal to the transmitting end when there is a transmission error in the received signal, so as to control the transmitting end to at least one of the specified parameters affecting the anti-interference ability of the signal on the transmission line. Make adjustments.
- the signal transmission device 800 includes:
- the sending unit 801 is configured to send a signal to a receiving end through a transmission line.
- the second receiving component 802 is configured to receive a control signal sent by a receiving end.
- the control signal is sent by the receiving end after detecting that there is a transmission error in the received signal.
- the second adjustment component 803 is configured to adjust at least one parameter of a specified parameter that affects the anti-interference ability of the signal on the transmission line based on the received control signal.
- the transmitting end sends a signal to the receiving end through the sending part 801.
- the receiving end detects that the received signal has an error, it can send a control signal to the transmitting end.
- the control signal is received by the second receiving part 802, and the parameters affecting the anti-interference ability of the signal on the transmission line are adjusted by the second adjusting part 803 based on the control signal, thereby improving the anti-interference ability of the signal on the transmission line, so that when receiving During electromagnetic interference, the signal on the transmission line is not easily lost, thereby improving the accuracy of the signal received by the receiving end.
- the control signal is first indication information of a first parameter
- the first parameter is a parameter that is adjustable by the transmitting end of the specified parameters that affect the anti-interference ability of the signal on the transmission line
- the first indication is The information includes any one of a target parameter value and target adjustment degree information.
- the second adjusting component 803 includes:
- An adjustment submodule configured to adjust the first parameter based on the received first indication information of the first parameter.
- the adjustment submodule is configured to:
- the first parameter is adjusted so that the parameter value of the adjusted first parameter is equal to the corresponding target parameter value.
- the adjustment submodule is configured to:
- the first parameter is adjusted according to the target adjustment degree information.
- control signal includes second indication information, and the second indication information is used to instruct a transmitting end to increase a parameter value of the first parameter.
- the above control component is used to:
- the first parameter includes at least one of a driving current, a swing amplitude, and a slew rate of the transmitting end.
- the above-mentioned signal transmission device 800 further includes:
- the restoration component is used for restoring the parameters in the specified parameters to the initial settings when the restoration conditions are reached after the parameters in the specified parameters are adjusted.
- This initial setting is the setting before parameter adjustment in the specified parameters.
- the foregoing restoration conditions include at least one of the following:
- the time interval between the current time and the adjustment time of the specified parameter is greater than the specified time interval.
- the transmitter is powered up again.
- a transmitting end sends a signal to a receiving end through a transmitting component.
- the receiving end detects a transmission error of the received signal, it can send a control signal to the transmitting end.
- the control signal is received by the second receiving part, and the parameters affecting the anti-interference ability of the signal on the transmission line are adjusted by the second adjusting part based on the control signal, thereby improving the anti-interference ability of the signal on the transmission line, so that when subjected to external electromagnetic interference At this time, the signal on the transmission line is not easy to be lost, thereby improving the accuracy of the signal received by the receiving end.
- the parameters in the specified parameters can be restored to the settings before the adjustment through the restoration component, which further effectively reduces the power consumption caused by adjusting the specified parameters, thereby increasing the life of the devices in the receiving end and the transmitting end.
- Some embodiments of the present disclosure also provide a signal transmission device, which is applied to a receiving end.
- the signal transmission device includes:
- the memory is configured to store executable instructions.
- a processor configured to execute executable instructions.
- the processor executes the executable instruction, it can implement any signal transmission method applied to the receiving end in the foregoing embodiment.
- Some embodiments of the present disclosure also provide a signal transmission device, which is applied to a transmitting end.
- the signal transmission device includes:
- the memory is configured to store executable instructions.
- a processor configured to execute executable instructions.
- the processor executes the executable instruction, it can implement any signal transmission method applied to the transmitting end in the foregoing embodiment.
- An embodiment of the present disclosure provides a display device.
- the display device includes a controller and a plurality of drivers. Each of the plurality of drivers is coupled to the controller through a transmission line, and each driver includes the foregoing shown in FIG. 14.
- the controller includes the foregoing signal transmission device applied to the transmitting end shown in FIG. 15. Exemplarily, the controller may also include the foregoing signal transmission device applied to the receiving end shown in FIG. 14, and each driver may also include the foregoing signal transmission device applied to the transmitting end shown in FIG. 15.
- the controller may be disposed on the main board of the display device, and the driver may be disposed on the array substrate of the display device.
- the transmitting end and the receiving end are P2P interfaces in the display device, respectively.
- the P2P interfaces in the display device are a timing controller and a source driving chip, respectively.
- the graphics processor has integrated the function of a timing controller.
- the P2P interface in the display device is a graphics processor and a source driver chip, respectively.
- some embodiments of the present disclosure further provide a display device 1000.
- the display device 1000 includes a controller and a plurality of drivers. Each of the plurality of drivers is coupled to a controller through a transmission line. Each driver includes the signal transmission device according to the foregoing embodiment, and the controller includes the signal transmission device according to the foregoing embodiment.
- the display device 1000 may be any product or component having a display function, such as a notebook computer, a television, a liquid crystal panel, an electronic paper, an OLED panel, a mobile phone, a tablet computer, a display, a digital photo frame, or a navigator.
- the controller in the display device may be at least one of a timing controller, an SOC, and an MCU.
- the plurality of drivers in the display device may be source driver chips.
- the display device 1000 further includes: a processor 1001 and a memory 1002.
- the memory 1002 is configured to store executable instructions of the processor and computer instructions. When the processor 1001 runs the computer instructions, it can implement the signal transmission method described in the foregoing embodiment. One or more steps.
- the processor 1001 may include one or more processing cores, such as a 4-core processor, an 8-core processor, and the like.
- the processor 1001 may use at least one of Digital Signal Processing (DSP), Field-Programmable Gate Array (FPGA), and Programmable Logic Array (PLA).
- DSP Digital Signal Processing
- FPGA Field-Programmable Gate Array
- PDA Programmable Logic Array
- the processor 1001 may also include a main processor and a co-processor.
- the main processor is a processor for processing data in the awake state, also referred to as a central processing unit (CPU); a co-processor It is a low-power processor for processing data in the standby state.
- CPU central processing unit
- co-processor It is a low-power processor for processing data in the standby state.
- the processor 1001 may be integrated with a graphics processing unit (Graphics Processing Unit, GPU for short), and the GPU is responsible for rendering and drawing content required to be displayed by the display device.
- the processor 1001 may further include an artificial intelligence (Artificial Intelligence) processor, which is used to process computing operations related to machine learning.
- Artificial Intelligence Artificial Intelligence
- the memory 1002 may include one or more computer-readable storage media, which may be non-transitory.
- the memory 1002 may further include a high-speed random access memory, and a non-volatile memory, such as one or more disk storage devices, flash storage devices.
- the non-transitory computer-readable storage medium in the memory 1002 is used to store at least one instruction that is executed by the processor 1001 to implement the signal transmission provided by the method embodiment in the present disclosure. method.
- the apparatus 1000 may further include: a peripheral device interface 1003 and at least one peripheral device.
- the processor 1001, the memory 1002, and the peripheral device interface 1003 may be connected through a bus or a signal line.
- Each peripheral device can be connected to the peripheral device interface 1003 through a bus, a signal line, or a circuit board.
- the peripheral device includes at least one of a radio frequency circuit 1004, a display screen 1005, a camera component 1006, an audio circuit 1007, a positioning component 1008, and a power supply 1009.
- the peripheral device interface 1003 may be used to connect at least one peripheral device related to Input / Output (Input / Output, I / O for short) to the processor 1001 and the memory 1002.
- the processor 1001, the memory 1002, and the peripheral device interface 1003 are integrated on the same chip or circuit board; in other embodiments, any one of the processor 1001, the memory 1002, and the peripheral device interface 1003 or Two can be implemented on separate chips or circuit boards, which are not limited in the embodiments of the present disclosure.
- the radio frequency circuit 1004 is configured to receive and transmit radio frequency (Radio Frequency, RF for short) signals, also referred to as electromagnetic signals.
- the radio frequency circuit 1004 communicates with a communication network and other communication equipment through electromagnetic signals.
- the radio frequency circuit 1004 converts electrical signals into electromagnetic signals for transmission, or converts received electromagnetic signals into electrical signals.
- the radio frequency circuit 1004 includes an antenna system, an RF transceiver, one or more amplifiers, a tuner, an oscillator, a digital signal processor, a codec chipset, a subscriber identity module card, and the like.
- the radio frequency circuit 1004 can communicate with other devices through at least one wireless communication protocol.
- the wireless communication protocol includes, but is not limited to, the World Wide Web, a metropolitan area network, an intranet, mobile communication networks of all generations (2G, 3G, 4G, and 5G), a wireless local area network, and / or a WIFI network.
- the radio frequency circuit 1004 may further include an NFC-related circuit, which is not limited in the embodiments of the present disclosure.
- the display screen 1005 is used to display a user interface (User Interface).
- the UI can include graphics, text, icons, videos, and any combination thereof.
- the display screen 1005 also has the ability to collect touch signals on or above the surface of the display screen 1005.
- the touch signal can be input to the processor 1001 as a control signal for processing.
- the display screen 1005 may also be used to provide a virtual button and / or a virtual keyboard, which is also called a soft button and / or a soft keyboard.
- one display screen 1005 may be provided on the front panel of the display device 1000. In other embodiments, at least two display screens 1005 may be provided on different surfaces of the display device 1000 or folded.
- the display screen 1005 may be a flexible display screen, disposed on a curved surface or a folded surface of the display device 1000.
- the display screen 1005 may also be set as a non-rectangular irregular figure, that is, a special-shaped screen.
- the display 1005 can be made of a liquid crystal display (Liquid Crystal Display, LCD for short), OLED and other materials.
- the camera assembly 1006 is used to capture images or videos.
- the camera assembly 1006 includes a front camera and a rear camera.
- the front camera is disposed on the front panel of the display device 1000
- the rear camera is disposed on the back of the display device 1000.
- the camera and the wide-angle camera are integrated to realize panoramic shooting and virtual reality (VR) shooting functions or other fusion shooting functions.
- the camera assembly 1006 may further include a flash.
- the flash can be a monochrome temperature flash or a dual color temperature flash.
- a dual color temperature flash is a combination of a warm light flash and a cold light flash, which can be used for light compensation at different color temperatures.
- the audio circuit 1007 may include a microphone and a speaker.
- the microphone is used for collecting sound waves of the user and the environment, and converting the sound waves into electrical signals and inputting them to the processor 1001 for processing, or inputting to the radio frequency circuit 1004 to implement voice communication.
- the microphone can also be an array microphone or an omnidirectional acquisition microphone.
- the speaker is used to convert electric signals from the processor 1001 or the radio frequency circuit 1004 into sound waves.
- the speaker can be a traditional film speaker or a piezoelectric ceramic speaker.
- the speaker When the speaker is a piezoelectric ceramic speaker, it can not only convert electrical signals into sound waves audible to humans, but also convert electrical signals into sound waves inaudible to humans for ranging purposes.
- the audio circuit 1007 may further include a headphone jack.
- the positioning component 1008 is used to locate the current geographic position of the display device 1000 to implement navigation or location-based services (Location-Based Service, LBS for short).
- the positioning component 1008 may be a positioning component based on a US-based Global Positioning System (GPS) or China's Beidou system or Russia's Galileo system.
- the power supply 1009 is used to supply power to various components in the display device 1000.
- the power source 1009 may be an alternating current, a direct current, a disposable battery, or a rechargeable battery.
- the rechargeable battery may be a wired rechargeable battery or a wireless rechargeable battery.
- the wired rechargeable battery is a battery charged through a wired line
- the wireless rechargeable battery is a battery charged through a wireless coil.
- the rechargeable battery can also be used to support fast charging technology.
- the display device 1000 may further include one or more sensors 1010.
- the one or more sensors 1010 may include: an acceleration sensor 1011, a gyroscope sensor 1012, a pressure sensor 1013, a fingerprint sensor 1014, an optical sensor 1015, and a proximity sensor 1016.
- the acceleration sensor 1011 can detect the magnitude of acceleration on the three coordinate axes of the coordinate system established by the display device 1000.
- the acceleration sensor 1011 may be used to detect components of the acceleration of gravity on three coordinate axes.
- the processor 1001 may control the touch display screen 1005 to display the user interface in a horizontal view or a vertical view according to the gravity acceleration signal collected by the acceleration sensor 1011.
- the acceleration sensor 1011 may also be used for collecting motion data of a game or a user.
- the gyro sensor 1012 can detect the body direction and the rotation angle of the display device 1000, and the gyro sensor 1012 can cooperate with the acceleration sensor 1011 to collect a 3D motion of the user on the device 1000. Based on the data collected by the gyro sensor 1012, the processor 1001 can implement the following functions: motion sensing (such as changing the UI according to the user's tilt operation), image stabilization during shooting, game control, and inertial navigation.
- motion sensing such as changing the UI according to the user's tilt operation
- image stabilization during shooting game control
- game control and inertial navigation.
- the pressure sensor 1013 may be disposed on a side frame of the display device 1000 and / or a lower layer of the touch display screen 1005.
- a user's holding signal to the device 1000 can be detected, and the processor 1001 can perform left-right hand recognition or quick operation according to the holding signal collected by the pressure sensor 1013.
- the processor 1001 controls the operability controls on the UI interface according to the user's pressure operation on the touch display screen 1005.
- the operability controls include at least one of a button control, a scroll bar control, an icon control, and a menu control.
- the fingerprint sensor 1014 is used to collect a user's fingerprint, and the processor 1001 recognizes the identity of the user based on the fingerprint collected by the fingerprint sensor 1014, or the fingerprint sensor 1014 recognizes the identity of the user based on the collected fingerprint. When identifying the user's identity as a trusted identity, the processor 1001 authorizes the user to perform related sensitive operations, such as unlocking the screen, viewing encrypted information, downloading software, paying and changing settings.
- the fingerprint sensor 1014 may be disposed on the front, back, or side of the display device 1000. When a physical button or a manufacturer's trademark is provided on the display device 1000, the fingerprint sensor 1014 can be integrated with the physical button or the manufacturer's trademark.
- the optical sensor 1015 is used to collect ambient light intensity.
- the processor 1001 may control the display brightness of the touch display screen 1005 according to the ambient light intensity collected by the optical sensor 1015. For example, when the ambient light intensity is high, the display brightness of the touch display screen 1005 is increased; when the ambient light intensity is low, the display brightness of the touch display screen 1005 is decreased.
- the processor 1001 may also dynamically adjust the shooting parameters of the camera component 1006 according to the ambient light intensity collected by the optical sensor 1015.
- the proximity sensor 1016 also referred to as a distance sensor, is usually disposed on the front panel of the display device 1000.
- the proximity sensor 1016 is used to collect a distance between a user and a front surface of the display device 1000.
- the processor 1001 controls the touch display screen 1005 to switch from the bright screen state to the closed screen state; when the proximity sensor 1016 When it is detected that the distance between the user and the front of the device 1000 gradually increases, the processor 1001 controls the touch display screen 1005 to switch from the rest screen state to the bright screen state.
- FIG. 16 does not constitute a limitation on the display device 1000, and may include more or fewer components than shown in the figure, or combine certain components, or adopt different component arrangements.
- An embodiment of the present disclosure provides a computer-readable storage medium.
- the computer-readable storage medium stores instructions.
- the processing component causes the processing component to execute any one of the signal transmission methods described in the foregoing embodiments. .
Abstract
Description
程度参数范围 | 目标参数值 |
0~20% | 发射端的驱动电流为a,摆幅为b |
21%~40% | 发射端的驱动电流为c,接收端的匹配电阻为d |
41%~60% | 压摆率为e,均衡器为f,滤波器的滤波参数为g |
61%~80% | 均衡器为m,接收端的驱动电流为n |
81%~100% | 压摆率为t,接收端的匹配电阻为k |
Claims (25)
- 一种信号传输方法,应用于接收端,所述信号传输方法包括:接收发射端通过传输线发送的信号;检测接收到的信号是否存在传输错误;当所述接收到的信号存在传输错误时,由所述接收端对影响所述传输线上信号抗干扰能力的指定参数中的至少一个参数进行调节,和/或,控制所述发射端对影响所述传输线上信号抗干扰能力的指定参数中的至少一个参数进行调节。
- 根据权利要求1所述的信号传输方法,其中,所述由所述接收端对影响所述传输线上信号抗干扰能力的指定参数中的至少一个参数进行调节,和/或,控制所述发射端对影响所述传输线上信号抗干扰能力的指定参数中的至少一个参数进行调节,包括:基于所述接收到的信号,确定目标参数信息;所述目标参数信息包括所述指定参数中可调节的至少一个参数的第一指示信息,所述第一指示信息包括参数值或调节程度信息;根据所述目标参数信息,由所述接收端对所述目标参数信息对应的至少一个参数进行调节,和/或,控制所述发射端对所述目标参数信息对应的至少一个参数进行调节。
- 根据权利要求2所述的信号传输方法,其中,所述基于所述接收到的信号,确定目标参数信息,包括:确定所述接收到的信号的程度参数,所述程度参数被配置为反映所述接收到的信号出现的传输错误的严重程度;查询预先建立的程度参数范围与参数信息的对应关系,得到所述接收到的信号的程度参数所在的程度参数范围对应的参数信息,将该参数信息作为目标参数信息;所述对应关系中记录的每个参数信息包括所述指定参数中至少一个参数的第一指示信息,所述第一指示信息包括参数值或调节程度信息。
- 根据权利要求2或3所述的信号传输方法,其中,所述指定参数包括 由发射端可调的第一参数和由接收端可调的第二参数,所述第一指示信息包括目标参数值,所述根据所述目标参数信息,由所述接收端对所述目标参数信息对应的至少一个参数进行调节,和/或,控制所述发射端对所述目标参数信息对应的至少一个参数进行调节,包括:在所述目标参数信息包括所述第一参数的目标参数值的情况下,将所述第一参数的目标参数值发送至所述发射端,以控制所述发射端调节所述第一参数的参数值,使得调节后的第一参数的参数值等于所述目标参数信息中对应的目标参数值;在所述目标参数信息包括所述第二参数的目标参数值的情况下,由所述接收端调节所述第二参数的参数值,使得调节后的第二参数的参数值等于所述目标参数信息中对应的目标参数值。
- 根据权利要求2或3所述的信号传输方法,其中,所述指定参数包括由发射端可调的第一参数和由接收端可调的第二参数,所述第一指示信息包括目标调节程度信息,所述根据所述目标参数信息,由所述接收端对所述目标参数信息对应的至少一个参数进行调节,和/或,控制所述发射端对所述目标参数信息对应的至少一个参数进行调节,包括:在所述目标参数信息包括所述第一参数的目标调节程度信息的情况下,将所述第一参数的目标调节程度信息发送至所述发射端,以控制所述发射端按照所述目标参数信息中对应的目标调节程度信息调节所述第一参数;在所述目标参数信息包括所述第二参数的目标调节程度信息的情况下,按照所述目标参数信息中对应的目标调节程度信息调节所述第二参数。
- 根据权利要求4或5所述的信号传输方法,其中,所述第一参数包括发射端的驱动电流、摆幅和压摆率中的至少一种;所述第二参数包括摆幅、均衡器、接收端的匹配电阻、滤波器的滤波参数和接收端的驱动电流中的至少一种。
- 根据权利要求1所述的信号传输方法,其中,所述由所述接收端对影响所述传输线上信号抗干扰能力的指定参数中的至少一个参数进行调节,和/或,控制所述发射端对影响所述传输线上信号抗干扰能力的指定参数中的至少一个参数进行调节,包括:按照所述指定参数中各个参数的优先级顺序,由所述接收端对所述各个参数依次进行调节,和/或,控制所述发射端对所述各个参数依次进行调节,直至达到调节结束条件。
- 根据权利要求7所述的信号传输方法,其中,所述调节结束条件包括以下至少一种:再次接收到的所述发射端发送的信号不存在传输错误;完成对所述指定参数中的所有参数的调节;完成对所述指定参数中的指定个数个参数的调节。
- 根据权利要求7或8所述的信号传输方法,其中,所述按照所述指定参数中各个参数的优先级顺序,由所述接收端对所述各个参数依次进行调节,和/或,控制所述发射端对所述各个参数依次进行调节,包括:按照所述指定参数中各个参数的优先级顺序,执行以下至少一者:增大第三参数的参数值;向所述发射端发送第二指示信息,所述第二指示信息被配置为指示所述发射端增大第一参数的参数值;执行至少一次第四参数调节过程,所述第四参数调节过程包括增大或减小所述第四参数的参数值;其中,所述第三参数包括摆幅和接收端的驱动电流中的至少一种,所述第一参数包括发射端的驱动电流、摆幅和压摆率中的至少一种,所述第四参数包括均衡器、接收端的匹配电阻和滤波器的滤波参数中的至少一种。
- 根据权利要求9所述的信号传输方法,其中,所述指定参数中,第三参数的优先级大于第一参数的优先级,所述第一参数的优先级大于第四参 数的优先级。
- 根据权利要求1所述的信号传输方法,其中,所述传输线上的信号以数据包的方式传输,所述检测接收到的信号是否存在传输错误,包括以下两种组合中的任一种:a:记录通过所述传输线接收到的信号的丢包率,当所述丢包率大于指定丢包率阈值时,确定所述接收到的信号存在传输错误;b:当接收到的数据包满足指定条件时,确定接收到的信号存在传输错误;所述指定条件包括以下至少一种:指定时长内接收到的出现传输错误的数据包的个数大于第一指定个数阈值;在接收到的指定个数的数据包中出现传输错误的数据包的个数大于第二指定个数阈值;在接收到的指定个数的数据包中连续出现传输错误的数据包的个数大于第三指定个数阈值。
- 根据权利要求1所述的信号传输方法,所述信号传输方法还包括:在对所述指定参数中的至少一个参数进行调节之后,在达到恢复条件时,将所述指定参数中的相应参数恢复初始设置,所述初始设置为所述指定参数中的相应参数调节之前的设置;所述恢复条件包括以下至少一种:当前时刻与所述指定参数的调节时刻的时间间隔大于指定时长间隔;所述接收端再次上电。
- 一种信号传输方法,应用于发射端,所述信号传输方法包括:通过传输线向接收端发送信号;接收所述接收端发送的控制信号,所述控制信号是所述接收端在检测到接收到的信号存在传输错误后发送的;基于接收到的所述控制信号,对影响所述传输线上信号抗干扰能力的指 定参数中的至少一个参数进行调节。
- 根据权利要求13所述的信号传输方法,其中,所述控制信号包括第一参数的第一指示信息;所述第一参数为影响所述传输线上信号抗干扰能力的指定参数中由所述发射端可调的参数,所述第一指示信息包括目标参数值或目标调节程度信息,所述基于接收到的所述控制信号,对影响所述传输线上信号抗干扰能力的指定参数中的至少一个参数进行调节,包括:基于接收到的所述控制信号所包括的第一参数的第一指示信息对所述第一参数进行调节。
- 根据权利要求14所述的信号传输方法,其中,所述第一指示信息包括目标参数值,所述基于接收到的所述控制信号所包括的第一参数的第一指示信息对所述第一参数进行调节,包括:调节所述第一参数的参数值,使得调节后的第一参数的参数值等于接收到的第一指示信息所包括的目标参数值。
- 根据权利要求14所述的信号传输方法,其中,所述第一指示信息包括目标调节程度信息,所述基于接收到的所述控制信号所包括的第一参数的第一指示信息对所述第一参数进行调节,包括:按照接收到的第一指示信息所包括的目标调节程度信息调节所述第一参数。
- 根据权利要求13所述的信号传输方法,其中,所述控制信号包括第一参数的第二指示信息;所述第一参数为影响所述传输线上信号抗干扰能力的指定参数中由所述发射端可调的参数,所述第二指示信息被配置为指示所述发射端增大所述第一参数的参数值;所述基于接收到的所述控制信号,对影响所述传输线上信号抗干扰能力的指定参数中的至少一个参数进行调节,包括:基于接收到的所述控制信号所包括的第一参数的第二指示信息,增大所述第一参数的参数值。
- 根据权利要求14至17中任一项所述的信号传输方法,其中,所述第一参数包括发射端的驱动电流、摆幅和压摆率中的至少一种。
- 根据权利要求13所述的信号传输方法,所述信号传输方法还包括:在对所述指定参数中的至少一个参数进行调节之后,在达到恢复条件时,将所述指定参数中的相应参数恢复初始设置,所述初始设置为所述指定参数中的相应参数调节之前的设置;所述恢复条件包括以下至少一种:当前时刻与所述指定参数的调节时刻的时间间隔大于指定时长间隔;所述发射端再次上电。
- 一种信号传输装置,应用于接收端,所述信号传输装置包括:第一接收部件,被配置为接收发射端通过传输线发送的信号;检测部件,被配置为检测接收到的信号是否存在传输错误;控制部件和第一调节部件;所述控制部件被配置为当所述接收到的信号存在传输错误时,控制所述第一调节部件对影响所述传输线上信号抗干扰能力的指定参数中的至少一个参数进行调节,及控制所述发射端对影响所述传输线上信号抗干扰能力的指定参数中的至少一个参数进行调节;所述第一调节部件被配置为在所述控制部件的控制下,对影响所述传输线上信号抗干扰能力的指定参数中的至少一个参数进行调节。
- 一种信号传输装置,应用于发射端,所述信号传输装置包括:发送部件,被配置为通过传输线向接收端发送信号;第二接收部件,被配置为接收所述接收端发送的控制信号,所述控制信号是所述接收端在检测到接收到的信号存在传输错误后发送的;第二调节部件,被配置为基于接收到的所述控制信号,对影响所述传输线上信号抗干扰能力的指定参数中的至少一个参数进行调节。
- 一种信号传输装置,应用于接收端,所述信号传输装置包括:存储器,被配置为存储可执行指令;处理器,被配置为执行所述可执行指令,以实现权利要求1至12中任一项所述的信号传输方法中的一个或多个步骤。
- 一种信号传输装置,应用于发射端,所述信号传输装置包括:存储器,被配置为存储可执行指令;处理器,被配置为执行所述可执行指令,以实现权利要求13至19中任一项所述的信号传输方法中的一个或多个步骤。
- 一种显示装置,包括:控制器,以及多个驱动器,所述多个驱动器中的每个驱动器与所述控制器通过传输线耦接,每个所述驱动器包括如权利要求20所述的信号传输装置,所述控制器包括权利要求21所述的信号传输装置。
- 一种计算机可读存储介质,存储有指令,所述指令在处理组件上运行时,使得所述处理组件执行如权利要求1至19中任一项所述的信号传输方法。
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