CN113936127A - Processing device and method for domain controller fusion under-screen fingerprint recognition - Google Patents
Processing device and method for domain controller fusion under-screen fingerprint recognition Download PDFInfo
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- CN113936127A CN113936127A CN202010672677.5A CN202010672677A CN113936127A CN 113936127 A CN113936127 A CN 113936127A CN 202010672677 A CN202010672677 A CN 202010672677A CN 113936127 A CN113936127 A CN 113936127A
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Abstract
The invention provides a processing device for recognizing fingerprints under a domain controller fusion screen of a vehicle-mounted terminal, which comprises a central control display screen and a domain controller, wherein the central control display screen and the domain controller are arranged at a vehicle end; the domain controller communicates with a cloud background at a remote end, wherein: the central control display screen comprises: the display screen module, a fingerprint identification sensor integrated under the display screen module, an encryption conversion circuit connected with the fingerprint identification sensor, and a first video coding and decoding chip connected between the encryption conversion circuit and the display screen module; the domain controller comprises a second video coding and decoding chip, an SOC chip, a safety encryption chip, a safety data memory, an Internet of vehicles communication module and a DSP chip, and the DSP chip is connected with a loudspeaker. The invention also provides a corresponding method. By implementing the invention, the identity of the user can be quickly authenticated, and various cloud backgrounds can be conveniently logged in through the domain controller, thereby providing various professional services for the user.
Description
Technical Field
The invention relates to the field of vehicle-mounted terminals, in particular to a processing device and a processing method for domain controller fusion under-screen fingerprint identification.
Background
With the popularization of the internet of vehicles, vehicle owners often connect with the network through the internet of things in the process of using the vehicles to log in each platform to obtain services. The action of 'logging in' needs to be fast, safe, attractive and elegant, and the increase of the automobile cost needs to be avoided as much as possible.
In some existing schemes, login or payment information needs to be acquired by an external terminal (such as a mobile terminal), then the login or payment information is sent to a vehicle-mounted terminal, and the login or payment information is sent to a charging terminal through a networking function of the vehicle-mounted terminal.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a processing device and a processing method for a domain controller to fuse with underscreen fingerprint identification, identity authentication information of a user is rapidly acquired for authentication through an underscreen fingerprint identification technology, and various cloud backgrounds are logged in through the networking capability of a domain controller of a digital cockpit, so that the user efficiency is improved.
In order to solve the above technical problem, as an aspect of the present invention, a processing apparatus for a domain controller to integrate fingerprint recognition under a screen is provided, which includes a central control display screen and a domain controller, which are disposed at a vehicle end; the domain controller communicates with a cloud background at a remote end, wherein:
the central control display screen comprises: the display screen module, a fingerprint identification sensor integrated under the display screen module, an encryption conversion circuit connected with the fingerprint identification sensor, and a first video coding and decoding chip connected between the encryption conversion circuit and the display screen module;
the domain controller includes:
the second video coding and decoding chip is connected with the first video coding and decoding chip;
the SOC chip is connected with the second video coding and decoding chip;
the security encryption chip is connected with the SOC chip;
the safety data memory is connected with the safety encryption chip;
one end of the Internet of vehicles communication module is connected with the SOC chip, and the other end of the Internet of vehicles communication module is communicated with the cloud background;
and one end of the DSP chip is connected with the SOC chip, and the other end of the DSP chip is connected with a loudspeaker.
The second video coding and decoding chip is connected with the first video coding and decoding chip through a coaxial cable.
Wherein, the center control display screen is marked with a fingerprint pressing area.
Wherein: the fingerprint identification sensor is used for collecting fingerprint patterns and forming fingerprint information in an SPI format;
the encryption conversion circuit is used for encrypting the fingerprint information in the SPI format formed by the fingerprint identification sensor to form an LVDS signal;
the first video coding and decoding chip is used for coding the LVDS signals and sending the LVDS signals to the second video coding and decoding chip, and is used for decoding information from the second video coding and decoding chip and sending the information to the display screen module;
the second video coding and decoding chip is used for decoding the data from the first video coding and decoding chip and sending the data to the SOC chip, and is used for coding the data forwarded by the SOC chip and sending the data to the first video coding and decoding chip;
the security encryption chip is used for receiving the LVDS signals forwarded by the SOC chip, and comparing and verifying the LVDS signals with the reserved fingerprint information stored in the security data storage after decryption; after the verification is passed, login or payment information stored in the safety data storage is obtained and sent to the SOC chip;
the vehicle networking communication module is used for sending login or payment information forwarded by the SOC chip to the cloud background and receiving a processing result from the cloud background.
Correspondingly, as another aspect of the present invention, there is also provided a processing method for a domain controller to fuse fingerprint identification under a screen, which is implemented in the foregoing apparatus, and includes the following steps:
step S10, collecting user fingerprint data by a fingerprint identification sensor integrated under a display screen module of a central control display screen;
step S11, the display screen module carries out format conversion on the fingerprint data and then sends the fingerprint data to the domain controller;
step S12, the domain controller compares the collected fingerprint data with the reserved fingerprint information to perform safety certification;
step S13, after the domain controller succeeds in security authentication, the domain controller sends login information or payment information to the cloud background through the Internet of vehicles communication module to log in or pay;
and step S14, the domain controller receives the cloud login or payment result and feeds back the result to the user through a loudspeaker or/and a central control display screen.
Wherein the step S10 further includes:
s100, displaying a fingerprint identification pressing area on a preset position by a central control display screen;
and step S101, the fingerprint identification sensor responds to the pressing area pressed by the user and collects fingerprint data of the user.
Wherein the step S11 further includes:
step S110, the fingerprint identification sensor processes the collected fingerprint data, converts the fingerprint data into fingerprint data in an SPI format and sends the fingerprint data to an encryption conversion circuit;
step S111, the encryption conversion circuit encrypts the fingerprint data in the SPI format, converts the fingerprint data in the LVDS format into the fingerprint data in the LVDS format and sends the fingerprint data to a first video coding and decoding chip;
in step S112, the first video codec chip encodes the fingerprint data and the control signal in the LVDS format and sends the encoded fingerprint data and the control signal to a second video codec chip at the domain controller.
Wherein the step S12 further includes:
step S120, the second video coding and decoding chip decodes the fingerprint data in the LVDS format and forwards the decoded fingerprint data to the full encryption chip through the SOC chip;
step S121, the security encryption chip decrypts the fingerprint data in the LVDS format, calls the fingerprint data reserved by the client in the security data storage, and checks and verifies the decrypted fingerprint data and the reserved fingerprint data;
step S122, after the checking and verification are passed, the secure encryption chip calls login information or payment information of the cloud background in the corresponding scene in the secure data storage;
and step S123, the security encryption chip encrypts the login information or the login information.
Wherein the step S13 further includes:
step S130, the safety encryption chip forwards the verification result and the login information or payment information after encryption processing to the Internet of vehicles communication module through the SOC chip;
step S131, the Internet of vehicles communication module sends the encrypted login information to the cloud background for authentication.
Wherein the step S14 further includes:
step S140, the Internet of vehicles communication module receives the result of successful login or successful payment fed back after the cloud background authenticates the login information;
step S141, the vehicle networking communication module sends the result to an SOC chip, and the SOC chip controls the DSP to output corresponding audio data;
and step S142, the SOC chip generates a picture of successful login or successful payment, and forwards the picture data to the central control display screen for display.
The embodiment of the invention has the following beneficial effects:
the invention provides a processing device and a processing method for a domain controller to fuse with underscreen fingerprint identification. The mode of identifying the fingerprints under the screen can ensure the attractive appearance effect and does not occupy too much space; the safety of login information can be ensured by selecting a safety encryption chip and a special safety data memory;
in the embodiment of the invention, a safety conversion circuit is additionally arranged to convert the SPI signal of the fingerprint data into the LVDS signal and output the LVDS signal to the domain controller by multiplexing the conventional coaxial line, so that the problem caused by independently leading the SPI line to be connected to the domain controller is avoided.
In the embodiment of the invention, the original devices in the current automobile electrical framework are reused as much as possible, so that the change of automobile upgrading is small, and the related cost is low.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is within the scope of the present invention for those skilled in the art to obtain other drawings based on the drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of an embodiment of a processing apparatus for a domain controller fusing off-screen fingerprint recognition according to the present invention;
fig. 2 is a schematic main flow chart of a domain controller fusing an off-screen fingerprint identification processing method according to an embodiment of the present invention;
FIG. 3 is a detailed step diagram of step S11 in FIG. 2;
FIG. 4 is a detailed step diagram of step S12 in FIG. 2;
fig. 5 is a detailed step diagram of step S14 in fig. 2.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram illustrating an embodiment of a processing apparatus for a domain controller fusing off-screen fingerprint recognition according to the present invention. In this embodiment, the apparatus includes: the system comprises a central control display screen and a domain controller which are arranged at a vehicle end; the domain controller is communicated with a cloud background at a far end, and is a digital cabin controller of a vehicle, wherein:
the central control display screen comprises: the display screen module, a fingerprint identification sensor integrated under the display screen module, an encryption conversion circuit connected with the fingerprint identification sensor, and a first video coding and decoding chip connected between the encryption conversion circuit and the display screen module; in a specific example, the sensing method of the fingerprint sensor is not limited to an optical type, a capacitive type, or an ultrasonic type.
The domain controller includes:
the second video coding and decoding chip is connected with the first video coding and decoding chip;
the SOC chip is connected with the second video coding and decoding chip;
the security encryption chip is connected with the SOC chip;
the safety data memory is connected with the safety encryption chip;
one end of the Internet of vehicles communication module is connected with the SOC chip, and the other end of the Internet of vehicles communication module is communicated with the cloud background;
and one end of the DSP chip is connected with the SOC chip, and the other end of the DSP chip is connected with a loudspeaker.
The second video coding and decoding chip is connected with the first video coding and decoding chip through a coaxial cable.
The central control display screen is marked with a fingerprint pressing area, and particularly, the central control display screen displays the fingerprint identification pressing area at a specified position to guide a user to press a registered finger.
Wherein: the fingerprint identification sensor is used for collecting fingerprint patterns and forming fingerprint information in an SPI format;
the encryption conversion circuit is used for encrypting the fingerprint information in the SPI format formed by the fingerprint identification sensor to form an LVDS signal;
the first video coding and decoding chip is used for coding the LVDS signals and sending the LVDS signals to the second video coding and decoding chip, and is used for decoding information from the second video coding and decoding chip and sending the information to the display screen module;
the second video coding and decoding chip is used for decoding the data from the first video coding and decoding chip and sending the data to the SOC chip, and is used for coding the data forwarded by the SOC chip and sending the data to the first video coding and decoding chip;
the security encryption chip is used for receiving the LVDS signals forwarded by the SOC chip, and comparing and verifying the LVDS signals with the reserved fingerprint information stored in the security data storage after decryption; after the verification is passed, login or payment information stored in the safety data storage is obtained and sent to the SOC chip;
the vehicle networking communication module is used for sending login or payment information forwarded by the SOC chip to the cloud background and receiving a processing result from the cloud background. The car networking communication module can be connected with networks which are not limited to 4G and 5G networks and is used for performing information authentication and verification with various service cloud backgrounds.
Fig. 2 is a main flow chart illustrating an embodiment of a domain controller fused under-screen fingerprint identification processing method provided by the present invention; in the embodiment, as shown in fig. 3 to fig. 5, the processing method for the domain controller to fuse the underscreen fingerprint identification is implemented in the apparatus described in the foregoing fig. 1, and includes the following steps:
step S10, collecting user fingerprint data by a fingerprint identification sensor integrated under a display screen module of a central control display screen;
step S11, the display screen module carries out format conversion on the fingerprint data and then sends the fingerprint data to the domain controller;
step S12, the domain controller compares the collected fingerprint data with the reserved fingerprint information to perform safety certification;
step S13, after the domain controller succeeds in security authentication, the domain controller sends login information or payment information to the cloud background through the Internet of vehicles communication module to log in or pay;
and step S14, the domain controller receives the cloud login or payment result and feeds back the result to the user through a loudspeaker or/and a central control display screen.
Specifically, in a practical example, the step S10 further includes:
s100, displaying a fingerprint identification pressing area on a preset position by a central control display screen;
and step S101, the fingerprint identification sensor responds to the pressing area pressed by the user and collects fingerprint data of the user.
Wherein the step S11 further includes:
step S110, the fingerprint identification sensor processes the collected fingerprint data, converts the fingerprint data into fingerprint data in an SPI format and sends the fingerprint data to an encryption conversion circuit;
step S111, the encryption conversion circuit encrypts the fingerprint data in the SPI format, converts the fingerprint data in the LVDS format into the fingerprint data in the LVDS format and sends the fingerprint data to a first video coding and decoding chip;
in step S112, the first video codec chip encodes the fingerprint data and the control signal in the LVDS format and sends the encoded fingerprint data and the control signal to a second video codec chip at the domain controller.
Specifically, in a practical example, the step S12 further includes:
step S120, the second video coding and decoding chip decodes the fingerprint data in the LVDS format and forwards the decoded fingerprint data to the full encryption chip through the SOC chip;
step S121, the security encryption chip decrypts the fingerprint data in the LVDS format, calls the fingerprint data reserved by the client in the security data storage, and checks and verifies the decrypted fingerprint data and the reserved fingerprint data;
step S122, after the checking and verification are passed, the secure encryption chip calls login information or payment information of the cloud background in the corresponding scene in the secure data storage;
and step S123, the security encryption chip encrypts the login information or the login information.
Specifically, in a practical example, the step S13 further includes:
step S130, the safety encryption chip forwards the verification result and the login information or payment information after encryption processing to the Internet of vehicles communication module through the SOC chip;
step S131, the Internet of vehicles communication module sends the encrypted login information to the cloud background for authentication.
Specifically, in a practical example, the step S14 further includes:
step S140, the Internet of vehicles communication module receives the result of successful login or successful payment fed back after the cloud background authenticates the login information;
step S141, the vehicle networking communication module sends the result to an SOC chip, and the SOC chip controls the DSP to output corresponding audio data;
and step S142, the SOC chip generates a picture of successful login or successful payment, and forwards the picture data to the central control display screen for display.
According to the method provided by the invention, the display screen module acquires the fingerprint data through the under-screen fingerprint identification sensor, the fingerprint data is safely encrypted and then fed back to the domain controller, and the domain controller automatically acquires the corresponding login information to log in the designated cloud background for the user after analyzing and identifying the fingerprint data, so that services such as identity authentication or payment are completed.
The embodiment of the invention has the following beneficial effects:
the invention provides a processing device and a processing method for a domain controller to fuse with underscreen fingerprint identification. The mode of identifying the fingerprints under the screen can ensure the attractive appearance effect and does not occupy too much space; the safety of login information can be ensured by selecting a safety encryption chip and a special safety data memory;
in the embodiment of the invention, a safety conversion circuit is additionally arranged to convert the SPI signal of the fingerprint data into the LVDS signal and output the LVDS signal to the domain controller by multiplexing the conventional coaxial line, so that the problem caused by independently leading the SPI line to be connected to the domain controller is avoided.
In the embodiment of the invention, the original devices in the current automobile electrical framework are reused as much as possible, so that the change of automobile upgrading is small, and the related cost is low.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, apparatus, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While the invention has been described in connection with what is presently considered to be the most practical and preferred embodiment, it is to be understood that the invention is not to be limited to the disclosed embodiment, but on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.
Claims (10)
1. A processing device with a domain controller fused with fingerprint identification under a screen is characterized by comprising a central control display screen and a domain controller, wherein the central control display screen and the domain controller are arranged at a vehicle end; the domain controller communicates with a cloud background at a remote end, wherein:
the central control display screen comprises: the display screen module, a fingerprint identification sensor integrated under the display screen module, an encryption conversion circuit connected with the fingerprint identification sensor, and a first video coding and decoding chip connected between the encryption conversion circuit and the display screen module;
the domain controller includes:
the second video coding and decoding chip is connected with the first video coding and decoding chip;
the SOC chip is connected with the second video coding and decoding chip;
the security encryption chip is connected with the SOC chip;
the safety data memory is connected with the safety encryption chip;
one end of the Internet of vehicles communication module is connected with the SOC chip and is communicated with the cloud background;
and one end of the DSP chip is connected with the SOC chip, and the other end of the DSP chip is connected with a loudspeaker.
2. The apparatus of claim 1, wherein the second video codec chip is connected to the first video codec chip via a coaxial cable.
3. The apparatus of claim 2, wherein the center control display screen has a fingerprint pressing area indicated thereon.
4. The apparatus of any of claims 1 to 3, wherein:
the fingerprint identification sensor is used for collecting fingerprint patterns and forming fingerprint information in an SPI format;
the encryption conversion circuit is used for encrypting the fingerprint information in the SPI format formed by the fingerprint identification sensor to form an LVDS signal;
the first video coding and decoding chip is used for coding the LVDS signals and sending the LVDS signals to the second video coding and decoding chip, and is used for decoding information from the second video coding and decoding chip and sending the information to the display screen module;
the second video coding and decoding chip is used for decoding the data from the first video coding and decoding chip and sending the data to the SOC chip, and is used for coding the data forwarded by the SOC chip and sending the data to the first video coding and decoding chip;
the security encryption chip is used for receiving the LVDS signals forwarded by the SOC chip, and comparing and verifying the LVDS signals with the reserved fingerprint information stored in the security data storage after decryption; after the verification is passed, login or payment information stored in the safety data storage is obtained and sent to the SOC chip;
the vehicle networking communication module is used for sending login or payment information forwarded by the SOC chip to the cloud background and receiving a processing result from the cloud background.
5. A domain controller fused under-screen fingerprint identification processing method, which is implemented in the device of any one of claims 1 to 4, characterized by comprising the following steps:
step S10, collecting user fingerprint data by a fingerprint identification sensor integrated under a display screen module of a central control display screen;
step S11, the display screen module carries out format conversion on the fingerprint data and then sends the fingerprint data to the domain controller;
step S12, the domain controller compares the collected fingerprint data with the reserved fingerprint information to perform safety certification;
step S13, after the domain controller succeeds in security authentication, the domain controller sends login information or payment information to the cloud background through the Internet of vehicles communication module to log in or pay;
and step S14, the domain controller receives the cloud login or payment result and feeds back the result to the user through a loudspeaker or/and a central control display screen.
6. The method of claim 5, wherein the step S10 further comprises:
s100, displaying a fingerprint identification pressing area on a preset position by a central control display screen;
and step S101, the fingerprint identification sensor responds to the pressing area pressed by the user and collects fingerprint data of the user.
7. The method of claim 6, wherein the step S11 further comprises:
step S110, the fingerprint identification sensor processes the collected fingerprint data, converts the fingerprint data into fingerprint data in an SPI format and sends the fingerprint data to an encryption conversion circuit;
step S111, the encryption conversion circuit encrypts the fingerprint data in the SPI format, converts the fingerprint data in the LVDS format into the fingerprint data in the LVDS format and sends the fingerprint data to a first video coding and decoding chip;
in step S112, the first video codec chip encodes the fingerprint data and the control signal in the LVDS format and sends the encoded fingerprint data and the control signal to a second video codec chip at the domain controller.
8. The method of claim 7, wherein the step S12 further comprises:
step S120, the second video coding and decoding chip decodes the fingerprint data in the LVDS format and forwards the decoded fingerprint data to the full encryption chip through the SOC chip;
step S121, the security encryption chip decrypts the fingerprint data in the LVDS format, calls the fingerprint data reserved by the client in the security data storage, and checks and verifies the decrypted fingerprint data and the reserved fingerprint data;
step S122, after the checking and verification are passed, the secure encryption chip calls login information or payment information of the cloud background in the corresponding scene in the secure data storage;
and step S123, the security encryption chip encrypts the login information or the login information.
9. The method of claim 8, wherein the step S13 further comprises:
step S130, the safety encryption chip forwards the verification result and the login information or payment information after encryption processing to the Internet of vehicles communication module through the SOC chip;
step S131, the Internet of vehicles communication module sends the encrypted login information to the cloud background for authentication.
10. The method of claim 9, wherein the step S14 further comprises:
step S140, the Internet of vehicles communication module receives the result of successful login or successful payment fed back after the cloud background authenticates the login information;
step S141, the vehicle networking communication module sends the result to an SOC chip, and the SOC chip controls the DSP to output corresponding audio data;
and step S142, the SOC chip generates a picture of successful login or successful payment, and forwards the picture data to the central control display screen for display.
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