CN112968332A - Compatible device and method for switching TYPE-C interface of tablet personal computer mainboard to UART serial port communication - Google Patents
Compatible device and method for switching TYPE-C interface of tablet personal computer mainboard to UART serial port communication Download PDFInfo
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- CN112968332A CN112968332A CN202110165591.8A CN202110165591A CN112968332A CN 112968332 A CN112968332 A CN 112968332A CN 202110165591 A CN202110165591 A CN 202110165591A CN 112968332 A CN112968332 A CN 112968332A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/70—Structural association with built-in electrical component with built-in switch
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/40—Bus structure
- G06F13/4063—Device-to-bus coupling
- G06F13/4068—Electrical coupling
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
- G06F13/4282—Bus transfer protocol, e.g. handshake; Synchronisation on a serial bus, e.g. I2C bus, SPI bus
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F2213/0042—Universal serial bus [USB]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Information Transfer Systems (AREA)
- Debugging And Monitoring (AREA)
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Abstract
The invention discloses a compatible device and a method for switching a TYPE-C interface of a panel computer mainboard to UART serial port communication, which can be used for software developers to carry out serial port communication debugging without manually disassembling the panel computer and manually welding serial port lines during debugging only by additionally arranging a selector switch on the panel computer mainboard, thereby saving the steps of disassembling, welding and the like, improving the efficiency, and only needing to add a selector switch circuit on the mainboard and carry out compatible design on software, and having low cost.
Description
Technical Field
The invention relates to the technical field of tablet computers, in particular to a compatible device and a method for switching a TYPE-C interface of a tablet computer mainboard to UART serial port communication.
Background
Software engineer when debugging panel computer mainboard driver, generally need use UART serial port communication to issue the order debugging or obtain the relevant log information of mainboard to mainboard CPU, hardware engineer can reserve UART serial port communication test point VCC on the mainboard, TX, RX, GND, need connect USB to change the serial ports keysets on four lines of electric iron welding to the dupont line again when using, to the machine that assembles, then need take apart the panel computer and give mainboard welding serial ports line, it is very inconvenient like this.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a compatible device and a method for switching a TYPE-C interface of a tablet computer mainboard to UART serial port communication.
In order to achieve the technical purpose, the invention adopts the following technical scheme:
the invention provides a compatible device for switching a TYPE-C interface of a panel computer mainboard to UART serial port communication, which comprises a panel computer mainboard, a selector switch, a TYPE-C female socket interface, UART serial port communication points TX and RX, and TYPE-C USB interfaces D + and D-which are arranged on the panel computer mainboard, wherein the panel computer mainboard is respectively connected with the UART serial port communication points TX and RX, and the TYPE-C USB interfaces D + and D-, the selector switch is switchably connected with the UART serial port communication points TX and RX, and the TYPE-C USB interfaces D + and D-and is connected with the TYPE-C female socket interface, and the selector switch and the TYPE-C female socket interface are also in communication connection with the panel computer mainboard; the compatible device also comprises a TYPE-C male seat-to-UART serial port communication data line and a UART serial port-to-USB adapter plate, wherein the TYPE-C male seat-to-UART serial port communication data line is integrated with an ID resistor, the UART serial port-to-USB adapter plate is in communication connection with a USB of the computer host, and the UART serial port-to-USB adapter plate is in communication connection with the TYPE-C male seat-to-UART serial port communication data line; female seat interface of TYPE-C can be connected or separate with public seat of TYPE-C commentaries on classics UART serial ports communication data line, the steerable change over switch's of panel computer mainboard switching action to CC1, the CC2 of accessible TYPE-C standard definition detect the ID resistance of foot discernment TYPE-C public seat commentaries on classics UART serial ports communication data line.
Furthermore, in the compatible device, one end of the data line from the TYPE-C male socket to the UART serial port communication is the TYPE-C male socket, and the USB CC definition pin of the device is connected with a set pull-down resistor to GND as an ID resistor.
The invention also provides a method for utilizing the compatible device, which comprises the following specific processes:
when the panel computer mainboard needs to be debugged, connecting the TYPE-C female seat interface with a TYPE-C male seat-to-UART serial port communication data line, identifying the ID resistance of the TYPE-C male seat-to-UART serial port communication data line by a CC1 and a CC2 detection pin defined by TYPE-C standard, controlling a selector switch to disconnect the D + and the D-of the TYPE-C USB interface, and communicating UART serial port communication points TX and RX; at the moment, the TYPE-C female seat interface and the tablet personal computer mainboard perform UART serial port communication, the TYPE-C female seat interface can perform UART serial port communication with a TYPE-C male seat-to-UART serial port communication data line, the TYPE-C male seat-to-UART serial port communication data line and a UART serial port-to-USB adapter plate perform UART serial port communication, USB communication is performed between the UART serial port-to-USB adapter plate and the computer mainboard, and at the moment, the tablet personal computer mainboard can be tested by using a computer host;
after the test is finished, the female seat interface of TYPE-C can be disconnected from the male seat of TYPE-C to be connected with the UART serial communication data line, the mainboard of the tablet computer can not recognize the ID resistance any more, the control change-over switch disconnects the UART serial communication points TX and RX at the moment, the connection of the D + and D-of the USB interface of TYPE-C is connected, and the female seat interface of TYPE-C and the mainboard of the tablet computer recover the USB communication.
The invention has the beneficial effects that: according to the invention, only the change-over switch is required to be additionally arranged on the mainboard of the tablet personal computer, and the tablet personal computer is not required to be manually disassembled and the serial port line is not required to be manually welded during debugging, so that the serial port communication debugging can be carried out by software developers, the steps of disassembling, welding and the like are omitted, the efficiency can be improved, and only the change-over switch circuit is required to be additionally arranged on the mainboard and the software is subjected to compatible design, so that the cost is low.
Drawings
Fig. 1 is a schematic diagram of a connection principle of a compatible device according to embodiment 1 of the present invention.
Detailed Description
The invention will be further described with reference to the accompanying drawings. It should be noted that the present embodiment is premised on the technical solution, and detailed description and specific implementation are given, but the scope of protection of the present invention is not limited to the present embodiment.
Example 1
The embodiment provides a compatible device for adapting a TYPE-C interface of a panel computer mainboard to UART serial communication, as shown in FIG. 1, the device comprises a panel computer mainboard, and a selector switch, a TYPE-C mother seat interface, a UART serial communication point TX, an RX and a TYPE-C USB interface D +, D-which are arranged on the panel computer mainboard, wherein the panel computer mainboard is respectively connected with the UART serial communication point TX, the RX and the TYPE-C USB interface D +, D-, the selector switch is switchably connected with the UART serial communication point TX, the RX and the TYPE-C USB interface D +, D-and is connected with the TYPE-C mother seat interface, and the selector switch and the TYPE-C mother seat interface are further in communication connection with the panel computer mainboard; the compatible device also comprises a TYPE-C male seat-to-UART serial port communication data line and a UART serial port-to-USB adapter plate, wherein the TYPE-C male seat-to-UART serial port communication data line is integrated with an ID resistor, the UART serial port-to-USB adapter plate is in communication connection with a USB of the computer host, and the UART serial port-to-USB adapter plate is in communication connection with the TYPE-C male seat-to-UART serial port communication data line; female seat interface of TYPE-C can be connected or separate with public seat of TYPE-C commentaries on classics UART serial ports communication data line, the steerable change over switch's of panel computer mainboard switching action to CC1, the CC2 of accessible TYPE-C standard definition detect the ID resistance of foot discernment TYPE-C public seat commentaries on classics UART serial ports communication data line.
Example 2
The present embodiment provides a method for using the compatible device described in embodiment 1, which includes the following specific steps:
when the panel computer mainboard needs to be debugged, connecting the TYPE-C female seat interface with a TYPE-C male seat-to-UART serial port communication data line, identifying the ID resistance of the TYPE-C male seat-to-UART serial port communication data line by a CC1 and a CC2 detection pin defined by TYPE-C standard, controlling a selector switch to disconnect the D + and the D-of the TYPE-C USB interface, and communicating UART serial port communication points TX and RX; at the moment, the TYPE-C female seat interface and the tablet personal computer mainboard perform UART serial port communication, the TYPE-C female seat interface can perform UART serial port communication with a TYPE-C male seat-to-UART serial port communication data line, the TYPE-C male seat-to-UART serial port communication data line and a UART serial port-to-USB adapter plate perform UART serial port communication, USB communication is performed between the UART serial port-to-USB adapter plate and the computer mainboard, and at the moment, the tablet personal computer mainboard can be tested by using a computer host;
after the test is finished, the female seat interface of TYPE-C can be disconnected from the male seat of TYPE-C to be connected with the UART serial communication data line, the mainboard of the tablet computer can not recognize the ID resistance any more, the control change-over switch disconnects the UART serial communication points TX and RX at the moment, the connection of the D + and D-of the USB interface of TYPE-C is connected, and the female seat interface of TYPE-C and the mainboard of the tablet computer recover the USB communication.
Example 3
This embodiment is a more specific application example given to embodiment 1 and embodiment 2.
Add a two select a change over switch before the female seat interface of TYPE-C of panel computer mainboard, change over switch has a control input, two data input and a data output, a data input is connected to the TYPE-CUSB D +, the D-interface of panel computer mainboard, another data input is connected to the UART serial ports communication send and receive signal TX of panel computer mainboard, RX, the data output passes through the pin connection TYPE-C female seat interface of D +, D-definition, control input connects panel computer mainboard CPU. The change-over switch can be controlled by a panel computer mainboard CPU through GPIO signals to be switched to which data input end, if TX and RX input is selected, UART serial port communication transceiving signals are transmitted by the TYPE-C female socket interface, and if D + and D-input are selected, USB communication signals are transmitted by the TYPE-C female socket interface.
The TYPE-C female socket interface needs to be connected with detection signals of a 5V power supply VBUS, GND, CC1 and CC2 of a tablet computer mainboard, and is connected with output signals of a selector switch in parallel.
The female seat interface of TYPE-C needs to match a TYPE-C public seat to UART serial communication data line, the one end of TYPE-C public seat to UART serial communication data line is TYPE-C public seat, and its USBCC definition pin connects the pull-down resistance of settlement to GND as ID discernment to draw forth four lines of VBUS, TX, RX, GND from TYPE-C public seat.
After the TYPE-C male seat is converted into the UART serial port communication data line and the TYPE-C female seat interface is inserted, partial pressure on an ID resistor is detected through a CC pin, the TYPE-C male seat is converted into the UART serial port communication data line and the UART serial port communication data line is inserted through identification of a tablet computer mainboard, the tablet computer mainboard sends a switch control signal of a change-over switch, input of the change-over switch control signal is controlled to be switched into UART serial port communication receiving and transmitting signals TX and RX, and TYPE-CUSB D + and D-transmission signals are connected in a default mode at ordinary times.
For the TYPE-C male socket-UART serial port communication data line, VBUS, TX, RX and GND four lines are led out, the UART serial communication protocol needs to be converted into the USB communication protocol and standard through the UART serial port-USB adapter plate, and therefore UART serial port communication can be carried out with the computer host through the USB interface. The UART serial port-to-USB adapter plate is specifically implemented with a plurality of chip schemes, such as PL2303, CH340 protocol conversion chips and the like.
Various other changes and modifications to the above-described embodiments and concepts will become apparent to those skilled in the art from the above description, and all such changes and modifications are intended to be included within the scope of the present invention as defined in the appended claims.
Claims (3)
1. The compatible device for switching the TYPE-C interface of the panel computer mainboard to the UART serial port communication is characterized by comprising a panel computer mainboard, a selector switch, a TYPE-C female socket interface, a UART serial port communication point TX, an RX and a TYPE-C USB interface D + and D-which are arranged on the panel computer mainboard, wherein the panel computer mainboard is respectively connected with the UART serial port communication point TX, the RX and the TYPE-C USB interface D + and D-, the selector switch is switchably connected with the UART serial port communication point TX, the RX and the TYPE-C USB interface D + and D-and is connected with the TYPE-C female socket interface, and the selector switch and the TYPE-C female socket interface are further in communication connection with the panel computer mainboard; the compatible device also comprises a TYPE-C male seat-to-UART serial port communication data line and a UART serial port-to-USB adapter plate, wherein the TYPE-C male seat-to-UART serial port communication data line is integrated with an ID resistor, the UART serial port-to-USB adapter plate is in communication connection with a USB of the computer host, and the UART serial port-to-USB adapter plate is in communication connection with the TYPE-C male seat-to-UART serial port communication data line; female seat interface of TYPE-C can be connected or separate with public seat of TYPE-C commentaries on classics UART serial ports communication data line, the steerable change over switch's of panel computer mainboard switching action to CC1, the CC2 of accessible TYPE-C standard definition detect the ID resistance of foot discernment TYPE-C public seat commentaries on classics UART serial ports communication data line.
2. The compatible device of claim 1, wherein one end of the TYPE-C male socket to UART serial port communication data line is TYPE-C male socket, and the USB CC definition pin is connected to a set pull-down resistor to GND as an ID resistor.
3. A method for using a compatible device according to any of claims 1-2, characterized in that the specific process is:
when the panel computer mainboard needs to be debugged, connecting the TYPE-C female seat interface with a TYPE-C male seat-to-UART serial port communication data line, identifying the ID resistance of the TYPE-C male seat-to-UART serial port communication data line by a CC1 and a CC2 detection pin defined by TYPE-C standard, controlling a selector switch to disconnect the D + and the D-of the TYPE-C USB interface, and communicating UART serial port communication points TX and RX; at the moment, the TYPE-C female seat interface and the tablet personal computer mainboard perform UART serial port communication, the TYPE-C female seat interface can perform UART serial port communication with a TYPE-C male seat-to-UART serial port communication data line, the TYPE-C male seat-to-UART serial port communication data line and a UART serial port-to-USB adapter plate perform UART serial port communication, USB communication is performed between the UART serial port-to-USB adapter plate and the computer mainboard, and at the moment, the tablet personal computer mainboard can be tested by using a computer host;
after the test is finished, the female seat interface of TYPE-C can be disconnected from the male seat of TYPE-C to be connected with the UART serial communication data line, the mainboard of the tablet computer can not recognize the ID resistance any more, the control change-over switch disconnects the UART serial communication points TX and RX at the moment, the connection of the D + and D-of the USB interface of TYPE-C is connected, and the female seat interface of TYPE-C and the mainboard of the tablet computer recover the USB communication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110165591.8A CN112968332A (en) | 2021-02-06 | 2021-02-06 | Compatible device and method for switching TYPE-C interface of tablet personal computer mainboard to UART serial port communication |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110165591.8A CN112968332A (en) | 2021-02-06 | 2021-02-06 | Compatible device and method for switching TYPE-C interface of tablet personal computer mainboard to UART serial port communication |
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| CN112968332A true CN112968332A (en) | 2021-06-15 |
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| CN202110165591.8A Pending CN112968332A (en) | 2021-02-06 | 2021-02-06 | Compatible device and method for switching TYPE-C interface of tablet personal computer mainboard to UART serial port communication |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113836064A (en) * | 2021-08-13 | 2021-12-24 | 苏州浪潮智能科技有限公司 | Serial port compatible with multiple bottom layer control ports |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113836064A (en) * | 2021-08-13 | 2021-12-24 | 苏州浪潮智能科技有限公司 | Serial port compatible with multiple bottom layer control ports |
| CN113836064B (en) * | 2021-08-13 | 2023-08-11 | 苏州浪潮智能科技有限公司 | Serial port compatible with multiple bottom control ports |
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