CN202026431U - Debugging device and debugging system - Google Patents
Debugging device and debugging system Download PDFInfo
- Publication number
- CN202026431U CN202026431U CN2011201316179U CN201120131617U CN202026431U CN 202026431 U CN202026431 U CN 202026431U CN 2011201316179 U CN2011201316179 U CN 2011201316179U CN 201120131617 U CN201120131617 U CN 201120131617U CN 202026431 U CN202026431 U CN 202026431U
- Authority
- CN
- China
- Prior art keywords
- interface
- signal
- pin
- serial
- switching
- 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.)
- Expired - Lifetime
Links
Images
Landscapes
- Debugging And Monitoring (AREA)
Abstract
The utility model discloses a debugging device and a debugging system, wherein the debugging device comprises a universal serial bus (USB) interface, a conversion chip, a switching chip and a serial port/ inter-integrated circuit (I2C) interface. The USB interface is used for receiving USB signals. The conversion chip is used for converting the received USB signals to serial port signals and I2C signals. The switching chip is used for switching transmission channels of the serial port signals and the I2C signals. The serial port/I2C interface is used for transmitting the serial port signals and the I2C signals. The debugging device can reinforce data communication function of a debugging tool interface and is convenient to use.
Description
Technical field
The utility model relates to appliance field, in particular to a kind of debugging apparatus and system.
Background technology
Panel TV need be adjusted parameter such as image, sound in the picture processing chip in development, to guarantee that panel TV can show normally that function is normal.These are adjusted needs to be undertaken by the serial ports instrument after the install software on computers.
The Solarnumen Comdebug of existing correlation technique crosses serial ports with the computer expert or the parallel port is connected, and generally use on old-fashioned computer serial ports and parallel port, and along with technical development, computer in the market has been difficult to see the parallel port, and the use of serial ports is also fewer and feweri.
Be used to connect the serial ports of serial ports instrument or the problem a little less than the data communication function of parallel port at above-mentioned prior art, do not propose effective solution at present as yet.
The utility model content
Main purpose of the present utility model is to provide a kind of debugging apparatus and system, is used to connect the serial ports of serial ports instrument or the problem a little less than the data communication function of parallel port to solve in the prior art.
To achieve these goals, according to one side of the present utility model, provide a kind of debugging apparatus.
Comprise according to debugging apparatus of the present utility model: USB interface is used to receive usb signal; Conversion chip, the usb signal that is used for receiving are converted to rs 232 serial interface signal and I2C signal; Switch chip, be used to switch the transmission channel of rs 232 serial interface signal and I2C signal; Serial ports/I2C interface is used to transmit rs 232 serial interface signal and I2C signal.
Further, conversion chip comprises: first pin and second pin, be connected with second data-interface with first data-interface of USB interface respectively, and be used to receive usb signal; Signal conversion unit is used for converting usb signal to rs 232 serial interface signal and I2C signal; The 3rd pin and the 4th pin are used to export rs 232 serial interface signal; The 5th pin and the 6th pin are used to export the I2C signal.
Further, switch chip and comprise: first switch unit is used for the rs 232 serial interface signal of the 3rd pin and the output of the 4th pin is switched to the output of first switching interface; Second switch unit is used for the I2C signal of the 5th pin and the output of the 6th pin is switched to the output of second switching interface.
Further, switch chip and be four the tunnel with a door integrated circuit, wherein, first switch unit comprises: first serial and second serial are connected with the 4th pin with the 3rd pin of conversion chip respectively; First switching interface is used to receive the rs 232 serial interface signal after the integration; Second switch unit comprises: the 3rd serial ports and the 4th serial ports are connected with the 6th pin with the 5th pin of conversion chip respectively; Second switching interface is used to receive the I2C signal after the integration.
Further, serial ports/I2C interface comprises: HDMI interface, DVI interface and VGA connect.
Further, the HDMI interface comprises: a HDMI pin, be connected with first switching interface, and be used to receive rs 232 serial interface signal, rs 232 serial interface signal is used for ROMPaq; The 2nd HDMI pin is connected with second switching interface, is used to receive the I2C signal, and the I2C signal is used for debug registers.
Further, the DVI interface comprises: a DVI pin, be connected with first switching interface, and be used to receive rs 232 serial interface signal, rs 232 serial interface signal is used for ROMPaq; The 2nd DVI pin is connected with second switching interface, is used to receive the I2C signal, and the I2C signal is used for debug registers.
Further, the VGA interface comprises: a VGA pin, be connected with first switching interface, and be used to receive rs 232 serial interface signal, rs 232 serial interface signal is used for ROMPaq; The 2nd VGA pin is connected with second switching interface, is used to receive the I2C signal, and the I2C signal is used for debug registers.
To achieve these goals, according to another aspect of the present utility model, provide a kind of debug system.This debug system comprises above-mentioned any one debugging apparatus, and debugging end that is connected with the USB interface of debugging apparatus and the debugged end that is connected with the serial ports/I2C interface of debugging apparatus.
Further, the debugging end is a PC, and debugged end is a television set.
By the utility model, adopt USB interface, be used to receive usb signal; Conversion chip, the usb signal that is used for receiving are converted to rs 232 serial interface signal and I2C signal; Switch chip, be used to switch the transmission channel of rs 232 serial interface signal and I2C signal; Serial ports/I2C interface is used to transmit rs 232 serial interface signal and I2C signal, has solved the serial ports or the weak problem of parallel port data communication function that are used to connect the serial ports instrument in the prior art, has reached the data communication function that strengthens the debugging acid interface, and effect easy to use.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present utility model, constitutes the application's a part, and illustrative examples of the present utility model and explanation thereof are used to explain the utility model, do not constitute improper qualification of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation according to the debug system of the utility model embodiment;
Fig. 2 is the structural representation according to the debugging apparatus of the utility model embodiment; And
Fig. 3 is the detailed structure schematic diagram according to the debugging apparatus of the utility model embodiment.
Embodiment
Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.Describe the utility model below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
Fig. 1 is the structural representation according to the debug system of the utility model embodiment.As shown in Figure 1, debugging acid in the utility model debug system uses USB interface to be connected with computer, the usb signal that USB interface is received converts rs 232 serial interface signal or I2C signal to and communicates by serial ports or I2C interface and television set simultaneously, promptly the eeprom memory in television set writes data by HDMI interface or VGA interface, with realize to hardware in the television set or software debug, function such as upgrading.Serial ports or parallel port that panel TV debugging acid of the present utility model will be connected with computer are improved to USB interface, make data communication function strengthen, and easy to use, can debug television set, write data.
Fig. 2 is the structural representation according to the debugging apparatus of the utility model embodiment.As shown in Figure 2, this device comprises: USB interface, conversion chip and switching chip.
Wherein, USB interface is used to receive the usb signal that computer is exported; Conversion chip, the usb signal that is used for receiving are converted to rs 232 serial interface signal and I2C signal; Switch chip, be used to switch the transmission channel of rs 232 serial interface signal and I2C signal; Serial ports/I2C interface is used to transmit rs 232 serial interface signal and I2C signal.
The utility model can be realized, the debugging software of basic translation function of chip and television set and combination of hardware are got up to use, a kind of instrument of being debugged by the USB mouth is provided, substituted the debugging acid of original use parallel port, serial ports, improved original instrument and reduced even cancelled serial ports gradually, parallel port and out of use problem because of computer.While is more comprehensive in function aspects, has strengthened the data communication function of debugging acid interface, and the stability of work also improves greatly.
Conversion chip in the utility model the foregoing description can comprise: first pin and second pin, be connected with second data-interface with first data-interface of USB interface respectively, and be used to receive usb signal; Signal conversion unit is used for converting usb signal to rs 232 serial interface signal and I2C signal; The 3rd pin and the 4th pin are used to export rs 232 serial interface signal; The 5th pin and the 6th pin are used to export the I2C signal.
Switching chip in the utility model the foregoing description can comprise: first switch unit is used for the rs 232 serial interface signal of the 3rd pin and the output of the 4th pin is switched to the output of first switching interface; Second switch unit is used for the I2C signal of the 5th pin and the output of the 6th pin is switched to the output of second switching interface.
Preferably, the switching chip that relates in the foregoing description can for four the tunnel with the door integrated circuit, wherein, first switch unit comprises: first serial and second serial are connected with the 4th pin with the 3rd pin of conversion chip respectively; First switching interface is used to receive the rs 232 serial interface signal after the integration; Second switch unit comprises: the 3rd serial ports and the 4th serial ports are connected with the 6th pin with the 5th pin of conversion chip respectively; Second switching interface is used to receive the I2C signal after the integration.
Serial ports in the utility model the foregoing description/I2C interface comprises: HDMI interface, DVI interface and VGA interface.
Preferably, the HDMI interface can comprise: a HDMI pin, be connected with first switching interface, and be used to receive rs 232 serial interface signal, rs 232 serial interface signal is used for ROMPaq; The 2nd HDMI pin is connected with second switching interface, is used to receive the I2C signal, and the I2C signal is used for debug registers.
Preferably, the DVI interface can comprise: a DVI pin, be connected with first switching interface, and be used to receive rs 232 serial interface signal, rs 232 serial interface signal is used for ROMPaq; The 2nd DVI pin is connected with second switching interface, is used to receive the I2C signal, and the I2C signal is used for debug registers.
Preferably, the VGA interface can comprise: a VGA pin, be connected with first switching interface, and be used to receive rs 232 serial interface signal, rs 232 serial interface signal is used for ROMPaq; The 2nd VGA pin is connected with second switching interface, is used to receive the I2C signal, and the I2C signal is used for debug registers.
Fig. 3 is the detailed structure schematic diagram according to the debugging apparatus of the utility model embodiment.Shown in Fig. 2 and 3, core devices in the utility model debugging apparatus is a conversion chip, this concrete conversion chip can be FT2232D, it can realize that USB interface arrives the conversion of dual serial UART, FIFO, Bit-Bang IO interface, and can be made into MPSSE, I2C, JTAG and spi bus.
This conversion chip internal integration electrify restoration circuit, the internal integration level translator makes the IO level support 5V and 3.3V, by plug-in EEPROM, is used for the IO configuration and stores USB VID and PID.
As shown in Figure 3, the usb signal that sends from computer, directly enter the first pin Pin7 and the second pin Pin8 of conversion chip FT2232D through the USB interface of CON2, signal conversion unit by FT2232D inside is converted to RS232 rs 232 serial interface signal and I2C bus signals with usb signal, wherein the RS232 rs 232 serial interface signal is through the 3rd pin Pin39 and two pin outputs of the 4th pin Pin40 of FT2232D, enter and switch chip 74HC08D, the I2C bus signals enters chip 74HC08D through the 5th pin Pin23 and two pin outputs of the 6th pin Pin24 of FT2232D.74HC08D is one four tunnel and a door integrated circuit, is responsible for RS232 rs 232 serial interface signal and I2C bus signals are integrated into two interfaces by four road input/output interfaces in this circuit, conveniently is connected with television set.
Preferably, the external interface aspect of the debugging apparatus of the utility model design comprises a USB interface, is used for being connected with computer; A VGA interface is connected with the VGA interface of panel TV; A HDMI interface is connected with the HDMI interface of panel TV, and a DVI interface is connected with the DVI interface of panel TV; Used a plurality of bar connector sockets simultaneously, adopted different encapsulation and pinout, conveniently when debugging, can use different interfaces to be connected with the mainboard of panel TV.
Power supply power supply aspect, the 5V that can directly use USB interface to provide, the power supply that can use the panel TV mainboard to provide does not need external power supply yet, and is easy to use.
Concrete, from the usb signal of computer output behind USB interface entering signal conversion chip FT2232D, can be converted to serial signal or I2C signal, this serial signal can be used for ROMPaq, the I2C signal can be used for debugging the register of television set, signal after the conversion enters chip 74HC08D, is connected with TV by various interface through after the logical process.When being operated in bus state, can adjust the register of panel TV signal processing chip, various terminals in the panel TV (comprising HDMI, DVI, VGA terminal) are connected, be used to store EDID, the HDCP memory of data is read and write.When being operated in the serial communication state, can also can read the type information of panel TV to device write-in programs such as stored program FLASH.
The utility model provides a kind of debug system.This debug system comprises the embodiment of above-mentioned any one debugging apparatus, also comprises debugging end that is connected with the USB interface of debugging apparatus and the debugged end that is connected with the serial ports/I2C interface of debugging apparatus.Preferably this debugging end can be a PC, and debugged end can be a television set.The research staff use this debugging apparatus debug or the process of the television applications software of upgrading in, it is convenient and swift to upgrade, applicable performance is good, thereby has improved research staff's operating efficiency.
From above embodiment describes, as can be seen, the utility model has been realized following technique effect: the utility model gets up to use the debugging software of basic translation function of chip and television set and combination of hardware, a kind of instrument of being debugged by the USB mouth is provided, substituted the debugging acid of original use parallel port, serial ports, improved original instrument and reduced even cancelled serial ports gradually, parallel port and out of use problem because of computer.While is more comprehensive in function aspects, has strengthened the data communication function of debugging acid interface, and the stability of work also improves greatly.
The above is a preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection range of the present utility model.
Claims (10)
1. a debugging apparatus is characterized in that, comprising:
USB interface is used to receive usb signal;
Conversion chip, the described usb signal that is used for receiving is converted to rs 232 serial interface signal and I2C signal;
Switch chip, be used to switch the transmission channel of described rs 232 serial interface signal and described I2C signal;
Serial ports/I2C interface is used to transmit described rs 232 serial interface signal and described I2C signal.
2. device according to claim 1 is characterized in that, described conversion chip comprises:
First pin and second pin are connected with second data-interface with first data-interface of described USB interface respectively, are used to receive described usb signal;
Signal conversion unit is used for converting described usb signal to described rs 232 serial interface signal and described I2C signal;
The 3rd pin and the 4th pin are used to export described rs 232 serial interface signal;
The 5th pin and the 6th pin are used to export described I2C signal.
3. device according to claim 2 is characterized in that, described switching chip comprises:
First switch unit is used for the described rs 232 serial interface signal of described the 3rd pin and the output of described the 4th pin is switched to the output of first switching interface;
Second switch unit is used for the described I2C signal of described the 5th pin and the output of described the 6th pin is switched to the output of second switching interface.
4. device according to claim 3 is characterized in that, described switching chip be four the tunnel with the door integrated circuit, wherein,
Described first switch unit comprises:
First serial and second serial are connected with described the 4th pin with described the 3rd pin of described conversion chip respectively;
Described first switching interface is used to receive the described rs 232 serial interface signal after the integration;
Described second switch unit comprises:
The 3rd serial ports and the 4th serial ports are connected with described the 6th pin with described the 5th pin of described conversion chip respectively;
Described second switching interface is used to receive the described I2C signal after the integration.
5. device according to claim 4 is characterized in that, described serial ports/I2C interface comprises: HDMI interface, DVI interface and VGA interface.
6. device according to claim 5 is characterized in that, described HDMI interface comprises:
The one HDMI pin is connected with described first switching interface, is used to receive described rs 232 serial interface signal, and described rs 232 serial interface signal is used for ROMPaq;
The 2nd HDMI pin is connected with described second switching interface, is used to receive described I2C signal, and described I2C signal is used for debug registers.
7. device according to claim 5 is characterized in that, described DVI interface comprises:
The one DVI pin is connected with described first switching interface, is used to receive described rs 232 serial interface signal, and described rs 232 serial interface signal is used for ROMPaq;
The 2nd DVI pin is connected with described second switching interface, is used to receive described I2C signal, and described I2C signal is used for debug registers.
8. device according to claim 5 is characterized in that, described VGA interface comprises:
The one VGA pin is connected with described first switching interface, is used to receive described rs 232 serial interface signal, and described rs 232 serial interface signal is used for ROMPaq;
The 2nd VGA pin is connected with described second switching interface, is used to receive described I2C signal, and described I2C signal is used for debug registers.
9. a debug system is characterized in that, comprising:
Each described debugging apparatus among the claim 1-8;
The debugging end is connected with the USB interface of described debugging apparatus;
Debugged end is connected with the serial ports/I2C interface of described debugging apparatus.
10. system according to claim 9 is characterized in that, described debugging end is a PC, and described debugged end is a television set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201316179U CN202026431U (en) | 2011-04-22 | 2011-04-22 | Debugging device and debugging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201316179U CN202026431U (en) | 2011-04-22 | 2011-04-22 | Debugging device and debugging system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202026431U true CN202026431U (en) | 2011-11-02 |
Family
ID=44851364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201316179U Expired - Lifetime CN202026431U (en) | 2011-04-22 | 2011-04-22 | Debugging device and debugging system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202026431U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102421010A (en) * | 2011-12-31 | 2012-04-18 | 四川长虹电器股份有限公司 | Software debugging system and method compatible to video graphics array (VGA) port input |
| CN103281557A (en) * | 2013-05-21 | 2013-09-04 | 四川长虹电器股份有限公司 | 3D (three-dimensional) parameter real-time adjusting method for 3D television as well as device and 3D television |
| WO2013131228A1 (en) * | 2012-03-05 | 2013-09-12 | Rong Weihua | Digital television and system for achieving serial communications |
| CN106502911A (en) * | 2016-11-09 | 2017-03-15 | 珠海全志科技股份有限公司 | Multiple terminals access device |
| CN108063927A (en) * | 2017-11-10 | 2018-05-22 | 深圳市火乐科技发展有限公司 | A kind of projecting apparatus debugging apparatus |
| US10713207B2 (en) | 2018-07-02 | 2020-07-14 | Venturi, Llc | USB to synchronous serial interface with external clock signal |
-
2011
- 2011-04-22 CN CN2011201316179U patent/CN202026431U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102421010A (en) * | 2011-12-31 | 2012-04-18 | 四川长虹电器股份有限公司 | Software debugging system and method compatible to video graphics array (VGA) port input |
| WO2013131228A1 (en) * | 2012-03-05 | 2013-09-12 | Rong Weihua | Digital television and system for achieving serial communications |
| CN103281557A (en) * | 2013-05-21 | 2013-09-04 | 四川长虹电器股份有限公司 | 3D (three-dimensional) parameter real-time adjusting method for 3D television as well as device and 3D television |
| CN106502911A (en) * | 2016-11-09 | 2017-03-15 | 珠海全志科技股份有限公司 | Multiple terminals access device |
| CN106502911B (en) * | 2016-11-09 | 2019-12-10 | 珠海全志科技股份有限公司 | Multi-terminal access device |
| CN108063927A (en) * | 2017-11-10 | 2018-05-22 | 深圳市火乐科技发展有限公司 | A kind of projecting apparatus debugging apparatus |
| CN108063927B (en) * | 2017-11-10 | 2020-11-03 | 深圳市火乐科技发展有限公司 | Projector debugging device |
| US10713207B2 (en) | 2018-07-02 | 2020-07-14 | Venturi, Llc | USB to synchronous serial interface with external clock signal |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202026431U (en) | Debugging device and debugging system | |
| CN104834620A (en) | SPI (serial peripheral interface) bus circuit, realization method and electronic equipment | |
| CN202748786U (en) | Multifunctional electric level converter | |
| CN207650794U (en) | A kind of desktop mainboard based on Feiteng processor | |
| CN102421010A (en) | Software debugging system and method compatible to video graphics array (VGA) port input | |
| CN202171888U (en) | One-chip microcomputer and CPLD collaborative design experimental system | |
| CN206431607U (en) | A kind of LCD drive circuit systems | |
| CN201499263U (en) | Single-fiber single-wavelength 1080P VOOP | |
| CN203658990U (en) | Debugging device for central processing unit | |
| CN204706031U (en) | Serial peripheral equipment interface SPI bus circuit and electronic equipment | |
| CN206363303U (en) | A kind of CPU module based on VPX structures | |
| CN109240957A (en) | M.2 hard-disk interface turns usb circuit and conversion method to one kind | |
| CN202433896U (en) | Serial port converter | |
| CN211653642U (en) | Multitask input/output interface | |
| CN204810421U (en) | Switching circuit based on HDMI interface | |
| CN111459736A (en) | Plate electrode debugging method of video processing chip | |
| CN210515231U (en) | Two-in-one converter | |
| CN202488560U (en) | Astronomical camera with guiding signal output function | |
| CN206470755U (en) | Core board | |
| CN212906278U (en) | Remote control DVI and USB synchronous switching circuit | |
| CN204288201U (en) | Control panel and apparatus for lighting | |
| CN205405443U (en) | Control of USB keyboard mouse system for KVM system | |
| CN216355214U (en) | Notebook computer display interface conversion circuit based on domestic display card | |
| CN211718886U (en) | Core circuit board and application system based on same | |
| CN215181529U (en) | Data processing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111102 |