CN112363435A - Embedded development board - Google Patents
Embedded development board Download PDFInfo
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- CN112363435A CN112363435A CN202011342335.3A CN202011342335A CN112363435A CN 112363435 A CN112363435 A CN 112363435A CN 202011342335 A CN202011342335 A CN 202011342335A CN 112363435 A CN112363435 A CN 112363435A
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- circuit
- control chip
- development board
- board
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24215—Scada supervisory control and data acquisition
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Debugging And Monitoring (AREA)
Abstract
The invention discloses an embedded development board which comprises a control circuit board, wherein a first control chip, a second control chip, a SW download debugging circuit, a CH340 serial port circuit, a memory and a public peripheral module are arranged on the control circuit board, a reset circuit, a clock circuit, a power circuit and a BOOT circuit are arranged on pins of the first control chip, and the first control chip is respectively connected with an OLED screen interface, a TFT color screen interface and GPIO interface pin pins. The development board is provided with a plurality of peripheral devices, functions such as connection of infrared equipment and temperature monitoring are achieved, meanwhile, the development board is of a double-chip structure, double-chip communication experiments of a single board can be achieved, the functionality of the board body is effectively improved, the development board supports an ST-Link downloading mode to download two chips and perform online simulation debugging, the limitation problem of a serial port information transmission mode is avoided, and meanwhile, display screens of two different types can provide two different display effects.
Description
Technical Field
The invention relates to the technical field of development boards, in particular to an embedded development board.
Background
The development board is a circuit board for developing an embedded system, and comprises a series of hardware components such as a central processing unit, a memory, an input device, an output device, a data path/bus, an external resource interface and the like. The development board is generally customized by an embedded system developer according to development requirements, and can also be researched and designed by a user.
Most are single-chip architecture on the development board at present, and the equipment that links up on the development board of single-chip architecture is limited, leads to the plate body to use the limitation problem, and the development board on the current market all carries out information download through the serial ports simultaneously, when the serial ports damages, the condition that will unable download to lead to the limitation problem of development board download mode.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides an embedded development board, which solves the problem of limitation of board body use caused by limited equipment connected on the development board with a single chip structure, and simultaneously, the development boards on the market at present download information through serial ports, and cannot download information when the serial ports are damaged, thereby causing the limitation of the download mode of the development boards.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: referring to fig. 1 to 8, an embodiment of the present invention provides an embedded development board, including: an embedded development board comprises a control circuit board, wherein a first control chip, a second control chip, a SW download debugging circuit, a CH340 serial port circuit, a memory and a public peripheral module are arranged on the control circuit board, a reset circuit, a clock circuit, a power circuit and a BOOT circuit are arranged on pins of the first control chip, the first control chip is respectively connected with an OLED screen interface, a TFT color screen interface and GPIO interface pin pins, the GPIO interface pin is respectively connected with the memory and the public peripheral module pin, the first control chip is electrically connected with the CH340 serial port circuit through a chip selection jump cap, the second control chip is provided with a reset circuit, a clock circuit, a power circuit and a BOOT circuit on pins, the second control chip is respectively connected with an independent key and the GPIO interface pin pins, the GPIO interface pin is connected with the public peripheral module pin, the second control chip is electrically connected with the SW download debugging circuit through a chip selection jump cap.
Preferably, the public peripheral module comprises an independent key, an LED lamp, a temperature sensor, a buzzer, an infrared emitter, an infrared receiver and an AD keyboard.
Furthermore, the AD keyboard is an analog signal voltage division type key.
Preferably, the models of the first control chip and the second control chip are STM32-F103-C8T6 and STM32-F030-F4P6 respectively.
Preferably, the LED lamp is an RGB three-color lamp body.
Preferably, the reservoir is of the type 24C 02.
Preferably, the model of the temperature sensor is DS18B 20.
(III) advantageous effects
The invention provides an embedded development board. The method has the following beneficial effects:
1. the development board is provided with a plurality of external devices, provides the existing functions, and can realize the functions of infrared equipment connection, temperature monitoring and the like.
2. The development board supports an ST-Link download mode to download and online simulate debugging two chips, the limitation problem of a serial port information transmission mode is avoided, and meanwhile, two different types of display screens can provide two different display effects.
3. Compared with the traditional scheme, the design of the AD keyboard of the development board is remarkably improved, the multiple keys are sampled and input and judged by the chip ADC through a resistance voltage division mode, and the function that one GPIO port obtains the values of the multiple keys can be realized.
Drawings
FIG. 1 is a block diagram of the overall framework of the present invention;
FIG. 2 is a control program block diagram of an STM32-F103-C8T6 chip of the present invention;
FIG. 3 is a control program block diagram of an STM32-F030-F4P6 chip according to the present invention;
FIG. 4 is a schematic diagram of a connection structure of a shared peripheral module according to the present invention;
FIG. 5 is a schematic circuit diagram of an STM32-F103-C8T6 chip of the present invention;
FIG. 6 is a schematic circuit diagram of an STM32-F030-F4P6 chip of the present invention;
FIG. 7 is a schematic diagram of the peripheral circuit of the present invention;
FIG. 8 is a schematic diagram of the SW download debug circuitry of the present invention;
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 8, an embodiment of the present invention provides a technical solution: an embedded development board comprises a control circuit board, wherein a first control chip, a second control chip, a SW download debugging circuit, a CH340 serial port circuit, a memory and a public peripheral module are arranged on the control circuit board, a reset circuit, a clock circuit, a power circuit and a BOOT circuit are arranged on pins of the first control chip, the first control chip is respectively connected with an OLED screen interface, a TFT color screen interface and GPIO interface pin pins, the GPIO interface pin is respectively connected with the memory and the public peripheral module pin, the first control chip is electrically connected with the CH340 serial port circuit through a chip selection jump cap, the second control chip is provided with a reset circuit, a clock circuit, a power circuit and a BOOT circuit on pins, the second control chip is respectively connected with an independent key and the GPIO interface pin pins, the GPIO interface pin is connected with the public peripheral module pin, the second control chip is electrically connected with the SW download debugging circuit through a chip selection jump cap.
The public peripheral module comprises independent keys, an LED lamp, a temperature sensor, a buzzer, an infrared transmitter, an infrared receiver and an AD keyboard, wherein the AD keyboard is an analog signal voltage division type key. Through the peripheral hardware of multiple different grade type, the practicality and the functionality of development board have effectually been strengthened.
The models of the first control chip and the second control chip are STM32-F103-C8T6 and STM32-F030-F4P6 respectively. The double chips can realize single-board double-computer communication experiment.
The LED lamp is a RGB three-color lamp body. Indication of different information is achieved.
The model number of the reservoir is 24C 02. Different types of information can be stored.
The model of the temperature sensor is DS18B 20. The temperature sensor may measure temperature through a temperature sensing device.
The working principle is as follows: the invention can select OLED screen or TFT screen to display, when downloading, it can download through serial port, or download through SW download debugging circuit, at the same time, the board also has infrared transmission function and temperature monitoring function, the design of AD keyboard is improved remarkably compared with traditional scheme, the invention has many keys through resistance voltage dividing mode, and by chip ADC sampling input judgment, it can realize that one GPIO port obtains many keys worth function.
The related components of the invention are all universal standard components or components known by technicians in the field, the structure and the principle of the components can be known by technicians through technical manuals or conventional experimental methods, the invention solves the problem that the utilization limitation of a plate body is caused because the equipment connected on a development board with a single chip structure is limited, meanwhile, the development boards on the market are downloaded through serial ports, and when the serial ports are damaged, the downloading cannot be carried out, so that the limitation of the downloading mode of the development board is caused, the development board is provided with a plurality of external devices, the functions of connection of infrared equipment, temperature monitoring and the like can be realized besides the existing functions, meanwhile, the development board adopts a double-chip structure, the double-machine communication experiment of a single board can be realized, the functionality of the plate body is effectively improved, and the problem of the limitation of the use of the traditional development board is solved, the development board supports an ST-Link downloading mode to download and online simulate debugging two chips, the limitation problem of a serial port information transmission mode is avoided, and meanwhile two different types of display screens can provide two different display effects.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. An embedded development board, characterized in that: comprises a control circuit board, wherein the control circuit board is provided with a first control chip, a second control chip, an SW download debugging circuit, a CH340 serial port circuit, a storage and a public peripheral module, a reset circuit, a clock circuit, a power circuit and a BOOT circuit are arranged on the pin of the first control chip, the first control chip is respectively connected with an OLED screen interface, a TFT color screen interface and a GPIO interface pin, the GPIO interface pin is respectively connected with the memory and a public peripheral module pin, the first control chip is electrically connected with the CH340 serial port circuit through a chip selection jump cap, a reset circuit, a clock circuit, a power circuit and a BOOT circuit are arranged on the pin of the second control chip, the second control chip is respectively connected with the independent key and a GPIO interface pin, the GPIO interface pin is connected with a pin of a public peripheral module, the second control chip is electrically connected with the SW download debugging circuit through a chip selection jump cap.
2. The embedded development board of claim 1, wherein: the public peripheral module comprises independent keys, LED lamps, a temperature sensor, a buzzer, an infrared transmitter, an infrared receiver and an AD keyboard.
3. The embedded development board of claim 2, wherein: the AD keyboard is an analog signal voltage division type key.
4. The embedded development board of claim 1, wherein: the models of the first control chip and the second control chip are STM32-F103-C8T6 and STM32-F030-F4P6 respectively.
5. The embedded development board of claim 1, wherein: the LED lamp is a RGB three-color lamp body.
6. The embedded development board of claim 1, wherein: the model number of the reservoir is 24C 02.
7. The embedded development board of claim 1, wherein: the model of the temperature sensor is DS18B 20.
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CN202011277531 | 2020-11-16 | ||
CN2020112775317 | 2020-11-16 |
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US20080270656A1 (en) * | 2007-04-27 | 2008-10-30 | Atmel Corporation | Serialization of data for communication with different-protocol slave in multi-chip bus implementation |
CN102156515A (en) * | 2011-04-28 | 2011-08-17 | 华南理工大学 | Embedded developing board having strong expansibility |
CN204288623U (en) * | 2014-09-19 | 2015-04-22 | 电子科技大学中山学院 | A kind of multifunction electronic experiment integrated board |
CN205881242U (en) * | 2016-04-15 | 2017-01-11 | 青岛工学院 | Multinuclear heart embedded development system |
CN205959492U (en) * | 2016-03-11 | 2017-02-15 | 烟台市迈高机器人科技有限公司 | Development board based on AVR handles a little |
CN207097308U (en) * | 2017-05-27 | 2018-03-13 | 嘉应学院 | A kind of Multifunctional microprocessor and PLD experimental box |
US20180165396A1 (en) * | 2016-12-14 | 2018-06-14 | iCometrue Company Ltd. | Logic drive based on standard commodity fpga ic chips |
US20190253056A1 (en) * | 2018-02-14 | 2019-08-15 | iCometrue Company Ltd. | Logic drive using standard commodity programmable logic ic chips |
CN209912297U (en) * | 2019-02-21 | 2020-01-07 | 江苏科瑞德智控自动化科技有限公司 | STM32 learning development board |
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2020
- 2020-11-26 CN CN202011342335.3A patent/CN112363435A/en active Pending
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
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US20080270656A1 (en) * | 2007-04-27 | 2008-10-30 | Atmel Corporation | Serialization of data for communication with different-protocol slave in multi-chip bus implementation |
CN102156515A (en) * | 2011-04-28 | 2011-08-17 | 华南理工大学 | Embedded developing board having strong expansibility |
CN204288623U (en) * | 2014-09-19 | 2015-04-22 | 电子科技大学中山学院 | A kind of multifunction electronic experiment integrated board |
CN205959492U (en) * | 2016-03-11 | 2017-02-15 | 烟台市迈高机器人科技有限公司 | Development board based on AVR handles a little |
CN205881242U (en) * | 2016-04-15 | 2017-01-11 | 青岛工学院 | Multinuclear heart embedded development system |
US20180165396A1 (en) * | 2016-12-14 | 2018-06-14 | iCometrue Company Ltd. | Logic drive based on standard commodity fpga ic chips |
CN207097308U (en) * | 2017-05-27 | 2018-03-13 | 嘉应学院 | A kind of Multifunctional microprocessor and PLD experimental box |
US20190253056A1 (en) * | 2018-02-14 | 2019-08-15 | iCometrue Company Ltd. | Logic drive using standard commodity programmable logic ic chips |
CN209912297U (en) * | 2019-02-21 | 2020-01-07 | 江苏科瑞德智控自动化科技有限公司 | STM32 learning development board |
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Application publication date: 20210212 |