CN206115205U - System is joined to on -vehicle screen of multi -functional debugging of serial ports - Google Patents
System is joined to on -vehicle screen of multi -functional debugging of serial ports Download PDFInfo
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- CN206115205U CN206115205U CN201621122865.6U CN201621122865U CN206115205U CN 206115205 U CN206115205 U CN 206115205U CN 201621122865 U CN201621122865 U CN 201621122865U CN 206115205 U CN206115205 U CN 206115205U
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Abstract
The utility model relates to a system is joined to on -vehicle screen of multi -functional debugging of serial ports for vehicle -mounted screen parameter testing, the signal input part that awakens up who awakens signal output part and MCU control circuit 5 up that it disclosed CAN transceiver circuit 3 is connected, carries to MCU control circuit 5 and awakens the signal up, dial -up selection circuit 6's dial -up signal output part is connected with MCU control circuit 5's dial -up signal input part, carries the dial -up signal to MCU control circuit 5, MCU control circuit 5 is connected with the debugging product through the I2C bus. The utility model has the advantages that accessible JLink debugging is upgraded or SD card upgrading software, can use the serial ports to adjust vehicle -mounted display screen parameter in the debugging terminal, in the strong and easy operation of the in -process practicality of transferring the screen to join, convenience, responds fastly, intelligent during the use.
Description
Technical field
The utility model is related to the vehicle-mounted screen of serial ports Multifunctional debugging and joins system, responds when specifically fast, intelligent
Vehicular display device screen parameter debugging system.
Background technology
Vehicular display device be divided to have two kinds it is a kind of be located in the TV that car is watched above, be exactly substantially in-car TV,
Another kind is small size Vehicular display device, typically has two-path video to be input into, and vehicle-carrying DVD use can be connect all the way, and another road connects reversing
Image vehicle-mounted camera is used.And the screen ginseng of Vehicular display device includes screen size, color, brightness, the screen associated parameter such as gray scale,
If the screen parameter of Vehicular display device is not to causing flower screen failure, and general debugging terminal can only allow to use
I2C shields ginseng to adjust, it is impossible to the inconvenience and debugging unicity brought for adjustor is debugged using serial ports, it is impossible to come from many aspects
Aiming screen parameter so that Products Compatibility is not enough or stability is not enough.
Therefore the utility model is to adjust screen parameter using serial ports many-side in debugging terminal, helps other research and development people
Member more easily researches and develops product and solves the problems, such as because screen ginseng is not to causing flower screen.
Utility model content
The purpose of this utility model is to provide the vehicle-mounted screen of serial ports Multifunctional debugging and joins system, and it is carried for screen parameter adjustor
Convenient AccessPort mode is supplied, has made debud mode many-sideization guarantee the compatibility and stability of product.
Technical solution of the present utility model is the SD card upgrading circuit 2, CA in JTAG debugging emulations circuit 1
N transceiver circuits 3, power control circuit 4, MCU control circuit 5 on the basis of dial-up selection circuit 6, is characterized in C
The wake-up signal output end of AN transceiver circuits 3 is connected with the wake-up signal input of MCU control circuit 5, to MC
U control circuits 5 convey wake-up signal；The dial-up signal output part of dial-up selection circuit 6 and the dial-up of MCU control circuit 5
Signal input part is connected, and to MCU control circuit 5 dial-up signal is conveyed；MCU control circuit 5 by I2C buses with
Debugging product is connected.
Model TJA1041T of IC chip U6, IC chip U6 in above-described CAN transceiver circuit 3
1 and 4 pin be wake-up signal output end；Model STM32F103C8T of the single-chip microcomputer U7 of MCU control circuit 5
32 and 33 pin of 6, single-chip microcomputer U7 are wake-up signal input, and 42 and 43 pin of single-chip microcomputer U7 are I2C buses, single-chip microcomputer U7
12 pin, 13 pin, 25 pin, 26 pin be dial-up signal input part；The model of the toggle switch S1 of dial-up selection circuit 6
1 pin of SWDIP-4, toggle switch S1,2 pin, 3 pin, 4 pin are dial-up signal output part.
Operation principle of the present utility model is hardware check after upper electricity, including detection is either with or without CAN signal.After upper electricity
Red light can be bright, if without system meeting dormancy in 5 seconds or so after electricity in CAN signal, whole lamps extinguish；The red light if having CAN signal
Understand Chang Liang always.Debugging terminal is transmitted data in MCU control circuit by serial ports, at the single-chip microcomputer of MCU control circuit
The buffer circle RingBuffer in single-chip microcomputer is proceeded to after reason, MCU control circuit is selected according to the dial-up of dial-up selection circuit
Signal carries out selection serial ports, I2C and SPI Flash passages and debugging screen ginseng is carried out to product chip containing TW88xx.
The utility model has the advantages that be able to can be made in debugging terminal by JLink debugging upgrading or SD card upgrading software
Vehicular display device screen parameter is adjusted with serial ports, it is practical and simple, convenient during screen ginseng is adjusted, ring when using
Should fast, intelligence.
Description of the drawings
Fig. 1 is principle frame structure schematic diagram of the present utility model；
Fig. 2 is the schematic diagram of power control circuit of the present utility model 4；
Fig. 3 is the schematic diagram of CAN transceiver circuit 3 of the present utility model；
Fig. 4 is the schematic diagram of MCU control circuit of the present utility model 5；
Fig. 5 is the schematic diagram of JTAG debugging emulations circuit 1 of the present utility model；
Fig. 6 is the schematic diagram of SD card upgrading circuit 2 of the present utility model；
Fig. 7 is the schematic diagram of dial-up selection circuit 6 of the present utility model.
Specific embodiment
According to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, the utility model it be that debugging terminal is connect from serial ports
Enter to realize the system of production debugging, in JTAG debugging emulations circuit 1, SD card upgrading circuit 2, CAN transceiver circuit
3, power control circuit 4, MCU control circuit 5 on the basis of dial-up selection circuit 6, is characterized in CAN transceiver electricity
The wake-up signal output end on road 3 is connected with the wake-up signal input of MCU control circuit 5, to MCU control circuit 5
Conveying wake-up signal；The dial-up signal input part phase of the dial-up signal output part of dial-up selection circuit 6 and MCU control circuit 5
Connection, to MCU control circuit 5 dial-up signal is conveyed；MCU control circuit 5 is connected by I2C buses with debugging product
Connect.Model TJA1041T of IC chip U6 in described CAN transceiver circuit 3,1 and 4 pin of IC chip U6
For wake-up signal output end；Model STM32F103C8T6 of the single-chip microcomputer U7 of MCU control circuit 5, single-chip microcomputer
32 and 33 pin of U7 are wake-up signal input, and 42 and 43 pin of single-chip microcomputer U7 are I2C buses, 12 pin of single-chip microcomputer U7,
13 pin, 25 pin, 26 pin are dial-up signal input part；Model SWDIP-4 of the toggle switch S1 of dial-up selection circuit 6, dial-up
1 pin of switch S1,2 pin, 3 pin, 4 pin are dial-up signal output part.
It is illustrated in figure 2 power control circuit 4, external 12V power supplys, by two Zener diode D4, D7 burning voltages,
Fuse F1 prevents electric current excessive to the damage of circuit module below, 9345 power management ICs, detects CAN and ACC signals, can
Realize that powered down sleep wakes up to the utility model to play, to reduce power consumption purpose.Dc-dc MP2359, by 12V
Voltage conversion into 5V VCC burning voltages, AM1117-3.3, by 5V Power converts into 3.3V, so that other modules are used, by
2,4 pins are exported.
CAN transceiver circuit 3 is illustrated in figure 3, is made up of TJA1041T chips and other peripheral components, by MCU controls
CAN protocol module CAN_TX in circuit 5 inside single-chip microcomputer U7, CAN_RX signals are changed, defeated by CAN_L, CAN_H
Go out in CAN and realize communication.
MCU control circuit 5 is illustrated in figure 4, using STM32F103C8T6 as microprocessor, it is by crystalline substance for single-chip microcomputer U7
Shake clock circuit, reset circuit, constitutes minimum system；15,16,17 pin of single-chip microcomputer U7 are SD card SPI communication interface and SD card
Interface P2 5,7,3 is connected in upgrading circuit 5,32,33 pin of single-chip microcomputer U7 as CAN data wire CAN_RX, CAN_TX,
I2C_SCL, I2C_SDA, as IIC module pins.
If Fig. 5 is JTAG debugging emulations circuit 1, P4 ports will have 3.3V supply voltages ability normal work, meet J-
Link debuggers, the circuit works when software development debugging is downloaded.
If Fig. 6 is SD card upgrading circuit 2, as single-chip microcomputer U7 main program upgrade interfaces, 2 pin in MCU control circuit 5
, used as chip selection signal, used as SOI_MISI input signals, 5 pin are used as SPI_SCL clocks, 6 pin conducts for 3 pin for SDcar_CS
SOI_MISO output signals.
It is as shown in Figure 7 dial-up selection circuit 6, SW-DIP-4 toggle switch, four input pins connect pull-up resistor, it is public
Altogether end ground connection, when dial it is lower some reform into during low level is input to MCU control circuit 5 the corresponding pins of single-chip microcomputer U7 as inspection
Survey input source.
Claims (2)
1. the vehicle-mounted screen of serial ports Multifunctional debugging joins system, and it is debugging terminal to be accessed from serial ports the system for realizing production debugging,
Include JTAG debugging emulation circuits（1）, SD card upgrading circuit（2）, CAN transceiver circuit（3）, power supply electricity
Road（4）, MCU control circuit（5）, dial-up selection circuit（6）, it is characterized in that CAN transceiver circuit（3）Wake-up signal
Output end and MCU control circuit（5）Wake-up signal input be connected, to MCU control circuit（5）Conveying wakes up letter
Number；Dial-up selection circuit（6）Dial-up signal output part and MCU control circuit（5）Dial-up signal input part be connected,
To MCU control circuit（5）Conveying dial-up signal；MCU control circuit（5）It is connected with debugging product by I2C buses
Connect.
2. the vehicle-mounted screen of serial ports Multifunctional debugging according to claim 1 joins system, it is characterized in that CAN transceiver circuit
（3）Model TJA1041T of middle IC chip U6,1 and 4 pin of IC chip U6 are wake-up signal output end；MCU
Control circuit（5）Single-chip microcomputer U7 model STM32F103C8T6,32 and 33 pin of single-chip microcomputer U7 are to wake up letter
Number input, 42 and 43 pin of single-chip microcomputer U7 are I2C buses, and 12 pin of single-chip microcomputer U7,13 pin, 25 pin, 26 pin are dial-up letter
Number input；Dial-up selection circuit（6）Toggle switch S1 model SWDIP-4,1 pin of toggle switch S1,2 pin, 3 pin,
4 pin are dial-up signal output part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621122865.6U CN206115205U (en) | 2016-10-14 | 2016-10-14 | System is joined to on -vehicle screen of multi -functional debugging of serial ports |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621122865.6U CN206115205U (en) | 2016-10-14 | 2016-10-14 | System is joined to on -vehicle screen of multi -functional debugging of serial ports |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206115205U true CN206115205U (en) | 2017-04-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621122865.6U Active CN206115205U (en) | 2016-10-14 | 2016-10-14 | System is joined to on -vehicle screen of multi -functional debugging of serial ports |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206115205U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107985487A (en) * | 2017-12-22 | 2018-05-04 | 许昌学院 | Autobalance vehicle control |
-
2016
- 2016-10-14 CN CN201621122865.6U patent/CN206115205U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107985487A (en) * | 2017-12-22 | 2018-05-04 | 许昌学院 | Autobalance vehicle control |
| CN107985487B (en) * | 2017-12-22 | 2024-01-30 | 许昌学院 | Automatic balance car control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230717 Address after: Room 301, 3rd Floor, Building 6, No. 2 Tiantai 1st Road, Science City, Huangpu District, Guangzhou City, Guangdong Province, 510000 Patentee after: Guangzhou Lupai Liuma Technology Co.,Ltd. Address before: 510663 room 602, building A1, 6th floor, No.19, Kehui 2nd Street, Kehui Jingu Park, No.99, middle Kexue Avenue, Luogang District, Guangzhou City, Guangdong Province Patentee before: GUANGZHOU ROADPASSION ELECTRONIC TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right |