CN108063927B - Projector debugging device - Google Patents
Projector debugging device Download PDFInfo
- Publication number
- CN108063927B CN108063927B CN201711107663.3A CN201711107663A CN108063927B CN 108063927 B CN108063927 B CN 108063927B CN 201711107663 A CN201711107663 A CN 201711107663A CN 108063927 B CN108063927 B CN 108063927B
- Authority
- CN
- China
- Prior art keywords
- projector
- debugging
- data conversion
- conversion module
- multiplexing circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000006243 chemical reaction Methods 0.000 claims abstract description 37
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3191—Testing thereof
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C23/00—Non-electrical signal transmission systems, e.g. optical systems
- G08C23/04—Non-electrical signal transmission systems, e.g. optical systems using light waves, e.g. infrared
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Debugging And Monitoring (AREA)
- Test And Diagnosis Of Digital Computers (AREA)
- Controls And Circuits For Display Device (AREA)
- Projection Apparatus (AREA)
Abstract
The invention discloses a projector debugging system, which comprises a projector, a data conversion module and a PC (personal computer); the projector comprises a multiplexing circuit and a UART module, wherein the multiplexing circuit is respectively connected with a plurality of debugging devices in the projector, the multiplexing circuit is connected with the data conversion module through the UART module, and the multiplexing circuit switches the connection between the debugging devices in the projector and the data conversion module according to an instruction from the data conversion module; the data conversion module is connected with the PC, and converts the UART signals sent by the projector into USB signals to be transmitted to the PC, or converts the USB signals sent by the PC into UART signals to be transmitted to the projector. The invention debugs each debugging device in the projector through the PC, thereby realizing the aim of debugging the projector without disassembling the projector.
Description
Technical Field
The invention relates to the technical field of projectors, in particular to a projector debugging device.
Background
A projector, also called a projector, is a device that can project images or videos onto a curtain, and can be connected with a computer, a VCD, a DVD, a BD, a game machine, a DV, etc. through different interfaces to play corresponding video signals. It is widely applied to various industries.
When the projector has a sudden failure, if the image cannot be displayed normally, the projector needs to be debugged. The existing debugging mode is software debugging or hardware debugging, both the two debugging modes need to be debugged, the debugging is complex, a professional engineer needs to be required for debugging, great labor cost can be generated, reservation is needed, and real-time field processing cannot be carried out. This causes great inconvenience to the user.
Disclosure of Invention
In order to solve the above technical problems, an object of the present invention is to provide a projector debugging system that can debug a projector without disassembling the projector.
The technical scheme adopted by the invention is as follows: a projector debugging system comprises a projector, a data conversion module and a PC; the projector comprises a multiplexing circuit and a UART module, wherein the multiplexing circuit is respectively connected with a plurality of debugging devices in the projector, the multiplexing circuit is connected with the data conversion module through the UART module, and the multiplexing circuit switches the connection between the debugging devices in the projector and the data conversion module according to an instruction from the data conversion module; the data conversion module is connected with the PC, and converts the UART signals sent by the projector into USB signals to be transmitted to the PC, or converts the USB signals sent by the PC into UART signals to be transmitted to the projector.
Further, the plurality of debugging devices in the projector comprise one or more of a USB device, a CPU UART, a DLP UART and a DLP PUSB.
And the output end of the infrared receiver is connected with the multiplexing circuit, and the infrared receiver receives an instruction of an external remote controller to switch the connection between debugging equipment in the projector and the data conversion module.
Further, the projector is connected with the data conversion module through a mini USB interface.
Further, the data conversion module is connected with a PC through a USB interface.
Further, the multiplexing circuit comprises an SN74LV4052APWT chip and peripheral circuits thereof.
Further, the data conversion module comprises an FT2232 chip and peripheral circuits thereof.
The invention has the beneficial effects that: the invention transfers a plurality of debugging devices in the projector through the multiplexing circuit, transmits the debugging devices to the data conversion module through the UART module, transfers the debugging devices to the PC through the data conversion module, and can debug each debugging device in the projector through the PC, thereby realizing the aim of debugging the projector without disassembling the projector.
Drawings
The following further describes embodiments of the present invention with reference to the accompanying drawings:
FIG. 1 is a system block diagram of the present invention.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
As shown in fig. 1, a projector debugging system includes a projector, a data conversion module, and a PC; the projector comprises a multiplexing circuit and a UART module, wherein the multiplexing circuit is respectively connected with a plurality of debugging devices in the projector, the multiplexing circuit is connected with the data conversion module through the UART module, and the multiplexing circuit switches the connection between the debugging devices in the projector and the data conversion module according to an instruction from the data conversion module; the data conversion module is connected with the PC, and converts the UART signals sent by the projector into USB signals to be transmitted to the PC, or converts the USB signals sent by the PC into UART signals to be transmitted to the projector.
Preferably, the plurality of debugging devices in the projector comprise USB devices (device debugging such as a USB disk and a USB hard disk), CPU UART (serial port printing and CPU debugging), DLP UART (DLP serial port printing and debugging and CPU debugging) or DLP USB (DLP burning and DLP debugging) and the like.
The invention uses the multiplex circuit to transfer a plurality of debugging devices in the projector and transmits the debugging devices to the data conversion module through the UART module, and the UART data is converted into USB data through the data conversion module and is transmitted to the PC, and the PC can debug each debugging device in the projector, thereby realizing the serial port printing information, FW upgrading, ADB sending command and USB device reading and writing of the debugging projector without disassembling the projector.
Further as a preferred embodiment, the projector further comprises an infrared receiver, an output end of the infrared receiver is connected with the multiplexing circuit, and the infrared receiver receives an instruction of an external remote controller to switch connection between the debugging equipment in the projector and the data conversion module, that is, the remote controller can select which debugging equipment in the projector is debugged.
In this embodiment, the projector is connected to the data conversion module through a mini USB interface, so as to prevent the mixed insertion of other devices. And the data conversion module is connected with the PC through a USB interface. The multiplexing circuit comprises an SN74LV4052APWT chip and peripheral circuits thereof. The data conversion module comprises an FT2232 chip and peripheral circuits thereof. The mini USB interface is defined as (VCC, D-, D +, GND and ID), the ID pin is connected with a selection end of an SN74LV4052APWT chip and used for selecting which debugging equipment is connected, the infrared receiver and the data conversion module are integrated on a PCB, and an output signal of the infrared receiver is transmitted to the ID pin.
While the preferred embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (6)
1. A projector debugging system characterized in that: the system comprises a projector, a data conversion module and a PC;
the projector comprises a multiplexing circuit and a UART module, wherein the multiplexing circuit is respectively connected with a plurality of debugging devices in the projector, the multiplexing circuit is connected with the data conversion module through the UART module, and the multiplexing circuit switches the connection between the debugging devices in the projector and the data conversion module according to an instruction from the data conversion module;
the data conversion module is connected with the PC, and is used for converting the UART signals sent by the projector into USB signals and transmitting the USB signals to the PC, or converting the USB signals sent by the PC into UART signals and transmitting the UART signals to the projector;
and the projector is connected with the data conversion module through a mini USB interface.
2. The projector debugging system according to claim 1, characterized in that: the plurality of debugging devices in the projector comprise one or more of USB devices, CPU UARTs, DLP UARTs and DLP USB.
3. The projector debugging system according to any one of claims 1 or 2, characterized in that: the output end of the infrared receiver is connected with the multiplexing circuit, and the infrared receiver receives an instruction of an external remote controller to switch connection between debugging equipment in the projector and the data conversion module.
4. The projector debugging system according to claim 3, wherein: and the data conversion module is connected with the PC through a USB interface.
5. The projector debugging system according to claim 3, wherein: the multiplexing circuit comprises an SN74LV4052APWT chip and peripheral circuits thereof.
6. The projector debugging system according to claim 3, wherein: the data conversion module comprises an FT2232 chip and peripheral circuits thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711107663.3A CN108063927B (en) | 2017-11-10 | 2017-11-10 | Projector debugging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711107663.3A CN108063927B (en) | 2017-11-10 | 2017-11-10 | Projector debugging device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108063927A CN108063927A (en) | 2018-05-22 |
| CN108063927B true CN108063927B (en) | 2020-11-03 |
Family
ID=62135722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711107663.3A Active CN108063927B (en) | 2017-11-10 | 2017-11-10 | Projector debugging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108063927B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110134625A (en) * | 2019-05-28 | 2019-08-16 | 深圳星联天通科技有限公司 | Voice data serial ports transmission method and device, system, electronic equipment and storage medium |
| CN110823516B (en) * | 2019-09-27 | 2021-04-30 | 深圳市火乐科技发展有限公司 | Test method and related equipment |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202026431U (en) * | 2011-04-22 | 2011-11-02 | 青岛海信电器股份有限公司 | Debugging device and debugging system |
| CN102289419A (en) * | 2010-06-17 | 2011-12-21 | 珠海全志科技有限公司 | Multiplex SOC(system on a chip) integrated circuit for functional interface and debugging interface |
| CN102495781A (en) * | 2011-11-30 | 2012-06-13 | 青岛海信信芯科技有限公司 | Debugging method and debugging system of SOC chip |
| JP2012133444A (en) * | 2010-12-20 | 2012-07-12 | Nec Corp | Remote debug system, remote debug device, and remote debug method |
| CN103226506A (en) * | 2013-04-28 | 2013-07-31 | 杭州士兰微电子股份有限公司 | Chip-embedded USB to JTAG debugging device and debugging method |
| CN104021060A (en) * | 2013-02-28 | 2014-09-03 | 鸿富锦精密工业（深圳）有限公司 | BMC serial port debugging system and method |
| CN105653461A (en) * | 2016-03-17 | 2016-06-08 | 烽火通信科技股份有限公司 | System for converting single USB interface into plurality of UART debugging interfaces |
| CN106454293A (en) * | 2016-10-13 | 2017-02-22 | 昆明鑫銮科技有限公司 | Projector debugging method |
| CN107145464A (en) * | 2017-05-25 | 2017-09-08 | 郑州云海信息技术有限公司 | A kind of Multi-serial port adjustment method, apparatus and system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2689346Y (en) * | 2004-04-05 | 2005-03-30 | 联想(北京)有限公司 | Universal series bus interface testers |
| CN102004682B (en) * | 2009-09-02 | 2013-01-23 | 广达电脑股份有限公司 | Test system and test method thereof |
-
2017
- 2017-11-10 CN CN201711107663.3A patent/CN108063927B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102289419A (en) * | 2010-06-17 | 2011-12-21 | 珠海全志科技有限公司 | Multiplex SOC(system on a chip) integrated circuit for functional interface and debugging interface |
| JP2012133444A (en) * | 2010-12-20 | 2012-07-12 | Nec Corp | Remote debug system, remote debug device, and remote debug method |
| CN202026431U (en) * | 2011-04-22 | 2011-11-02 | 青岛海信电器股份有限公司 | Debugging device and debugging system |
| CN102495781A (en) * | 2011-11-30 | 2012-06-13 | 青岛海信信芯科技有限公司 | Debugging method and debugging system of SOC chip |
| CN104021060A (en) * | 2013-02-28 | 2014-09-03 | 鸿富锦精密工业（深圳）有限公司 | BMC serial port debugging system and method |
| CN103226506A (en) * | 2013-04-28 | 2013-07-31 | 杭州士兰微电子股份有限公司 | Chip-embedded USB to JTAG debugging device and debugging method |
| CN105653461A (en) * | 2016-03-17 | 2016-06-08 | 烽火通信科技股份有限公司 | System for converting single USB interface into plurality of UART debugging interfaces |
| CN106454293A (en) * | 2016-10-13 | 2017-02-22 | 昆明鑫銮科技有限公司 | Projector debugging method |
| CN107145464A (en) * | 2017-05-25 | 2017-09-08 | 郑州云海信息技术有限公司 | A kind of Multi-serial port adjustment method, apparatus and system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108063927A (en) | 2018-05-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9037771B2 (en) | Communication device and conversion adapter | |
| KR101003262B1 (en) | Hdmi network control of a media center computing device | |
| US10216683B2 (en) | Multimedia communication apparatus and control method for multimedia data transmission over standard cable | |
| US7904620B2 (en) | Data transmission system with protocol conversion | |
| US9280506B1 (en) | Transfer of uncompressed multimedia contents or data communications | |
| US8799537B1 (en) | Transfer of uncompressed multimedia contents and data communications | |
| EP2238529B1 (en) | Control bus for connection of electronic devices | |
| JP5616897B2 (en) | Transmission of alternative content with standard equipment connectors | |
| US9886413B2 (en) | Displayport over USB mechanical interface | |
| US7457325B2 (en) | Multiplexing a communication port | |
| US20140132835A1 (en) | Electronic device with thunderbolt interface, connecting method thereof, and docking apparatus | |
| US20080007616A1 (en) | Universal multimedia display adapter | |
| US8601196B2 (en) | Connector assembly | |
| JP2006268025A (en) | Display device | |
| JP5344542B2 (en) | Communication device | |
| CN108063927B (en) | Projector debugging device | |
| WO2014049686A1 (en) | Hdmi device, communication system, and hot-plug control method | |
| CN109473081B (en) | Interface circuit, display method and display device | |
| JP2013046123A (en) | Signal converter, signal conversion method, and terminal device | |
| WO1995030634A1 (en) | Monitor adapter | |
| TWI259958B (en) | Bridge controller for IDE slave interface and USB host/OTG interface | |
| TW201405316A (en) | Display port data transmission system, source device and sink device thereof | |
| US8509591B2 (en) | Transmission apparatus, reception apparatus, and transmission method | |
| US11768545B2 (en) | Secured KVM switching device with unidirectional communications | |
| US20150339796A1 (en) | Apparatus and method for controlling video output of audio video navigation system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |