CN212675512U

CN212675512U - Embedded system development platform

Info

Publication number: CN212675512U
Application number: CN202021780874.0U
Authority: CN
Inventors: 白俊华; 欧曦; 刘奎奎
Original assignee: Beijing Vip Infinite Intelligent Technology Co ltd
Current assignee: Beijing Vip Infinite Intelligent Technology Co ltd
Priority date: 2020-08-24
Filing date: 2020-08-24
Publication date: 2021-03-09
Anticipated expiration: 2030-08-24

Abstract

An embedded system development platform, comprising: a core processing module; the expansion module is electrically connected with the core processing module and is used for developing various products together with the core processing module; the debugging interface module is electrically connected with the core processing module and used for debugging the core processing module; the power supply module is electrically connected with the core processing module and is used for providing various working voltages for the core processing module; the reference input module is electrically connected to the core processing module and used for inputting a reference signal to the core processing module; the observation debugging module is electrically connected between the core processing module and the expansion module and is used for observing or debugging signals between the core processing module and the expansion module; and the antenna module is electrically connected with the expansion module and used for connecting and communicating the expansion module and external equipment.

Description

Embedded system development platform

Technical Field

The utility model relates to an embedded system development platform, in particular to embedded system development platform who has many adjustable power supplies and be convenient for debug.

Background

The embedded development platform realized in the prior art is usually simpler in structure, and generally, an MCU is connected with a fixed special chip to develop a product, so that observation and debugging means are few, and signal quality cannot be guaranteed because the development is generally performed in a flying wire form.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that an embedded system development platform is provided to core processing module is the core, expandes various communications and debugging interface, and the conventional development and the rapid debugging of being convenient for improve development efficiency.

In order to achieve the above object, the present invention provides an embedded system development platform, which includes: a core processing module; the expansion module is electrically connected with the core processing module and is used for developing various products together with the core processing module; the debugging interface module is electrically connected with the core processing module and used for debugging the core processing module; the power supply module is electrically connected with the core processing module and is used for providing various working voltages for the core processing module; the reference input module is electrically connected to the core processing module and used for inputting a reference signal to the core processing module; the observation debugging module is electrically connected between the core processing module and the expansion module and is used for observing or debugging signals between the core processing module and the expansion module; and the antenna module is electrically connected with the expansion module and used for connecting and communicating the expansion module and external equipment.

The embedded system development platform, wherein the antenna module comprises at least one antenna form.

In the above-mentioned embedded system development platform, the antenna module further includes a first selection circuit for selecting the at least one antenna type.

In the above-mentioned embedded system development platform, the power module further includes a second selection circuit for selecting one of the plurality of operating voltages.

The embedded system development platform, wherein the plurality of operating voltages include 1.2V, 1.8V, 3.3V and 3.6V.

In the embedded system development platform, the core processing module adopts an MH1902 type chip.

In the embedded system development platform, the debugging interface module includes a JTAG interface.

In the embedded system development platform, the extension module includes a plurality of interfaces, and is used for connection and communication between the extension module and the core processing module.

In the above embedded system development platform, the observation and debugging module includes a line controller and a signal conversion circuit, where the line controller is configured to obtain a signal between the core processing module and the expansion module in real time, and the signal conversion circuit is configured to convert the signal and input the signal to an external device for display.

In the above embedded system development platform, the signal conversion circuit may also convert and input a signal generated by the external device to the core processing module or the expansion module.

The utility model has the beneficial effects that: the utility model provides an embedded system development platform takes the core processing module as the core, expandes various communication and debugging interfaces, is convenient for conventional development and rapid debugging, improves the development efficiency; the expansion module provides a bidirectional control signal to form a modular development platform; the debugging interface module and the observation debugging module can quickly and conveniently solve the problems in the development process; the reference input module provides a standard reference signal, and the performance index of the whole system is improved; the power supply module provides multiple working voltages, and the voltage range can cover the power supply requirement of a conventional chip; the antenna module can switch different antenna forms, and different development requirements are met.

The present invention will be described in detail with reference to the accompanying drawings and specific embodiments, but the present invention is not limited thereto.

Drawings

Fig. 1 is a schematic structural diagram of an embedded system development platform according to an embodiment of the present invention.

Fig. 2 is a circuit diagram of a core processing module according to an embodiment of the present invention.

Fig. 3 is a circuit diagram of a debug interface module according to an embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a power module according to an embodiment of the present invention.

Fig. 4A, 4B, 4C and 4D are circuit diagrams corresponding to the four power circuits of fig. 4, respectively.

Fig. 5 is a circuit diagram of a reference input module according to an embodiment of the present invention.

Fig. 6 is a circuit diagram of an expanded module according to an embodiment of the present invention.

Fig. 7 is a schematic structural diagram of an observation and debugging module according to an embodiment of the present invention.

Fig. 7A is a circuit diagram of an observation and debugging module according to an embodiment of the present invention.

Fig. 8 is a schematic structural diagram of an antenna module according to an embodiment of the present invention.

Fig. 8A is a circuit diagram of an antenna module according to an embodiment of the present invention.

Reference numerals

100: core processing module

200: debugging interface module

300: power supply module

310-340: power supply circuit

350: second selection circuit

400: reference input module

500: expansion module

600: observation debugging module

610: line controller

620: signal conversion circuit

700: antenna module

710: first selection circuit

720-730: antenna with a shield

Detailed Description

The following describes the structural and operational principles of the present invention in detail with reference to the accompanying drawings:

fig. 1 is the structure diagram of the embedded system development platform of the present invention, as shown in fig. 1, an embodiment of the present invention provides an embedded system development platform, which may include: a core processing module 100 on which an MCU can be mounted; a debugging interface module 200 electrically connected to the core processing module 100, and capable of connecting an external host with debugging software, such as a PC, to debug the core processing module 100; the power module 300 is electrically connected to the core processing module 100, can provide various working voltages required by the development platform of the embodiment in the development process of the embedded system, and is suitable for performance requirements of different types of chips; a reference input module 400 electrically connected to the core processing module 100, and capable of generating a standard reference signal and providing the standard reference signal to the core processing module 100; the expansion module 500 is electrically connected to the core processing module 100, and can develop various chips and be applied to various products by cooperating with the core processing module 100; the observation and debugging module 600 is electrically connected between the core processing module 100 and the expansion module 500, and signals between the core processing module 100 and the expansion module 500 can be observed and debugged through the observation and debugging module 600; and an antenna module 700 electrically connected to the expansion module 500 and configured to implement communication between the expansion module 500 and an external device.

Fig. 2 shows a circuit diagram of the core processing module 100, specifically a circuit diagram of an MCU mounted thereon, in this embodiment, as shown in fig. 2, the MCU adopts an MH1902 type chip.

Fig. 3 shows a circuit diagram of the debug interface module 200, in this embodiment, the debug interface module 200 may include a JTAG interface, through which an external host (e.g., a PC) equipped with debug software may be electrically connected to the core processing module 100 and may perform program debugging thereon, specifically, perform program debugging on the MCU; in one case, when the observation and debugging module 600 observes that the signal data between the core processing module 100 and the expansion module 500 is inconsistent with the standard reference signal data generated by the reference input module 400, the PC connected to the JTAG interface performs program debugging on the MCU.

Fig. 4 is a schematic structural diagram of a power module 300, and fig. 4A, 4B, 4C and 4D correspond to the power circuit 310, the power circuit 320, the power circuit 330 and the power circuit 340 in fig. 4, respectively. In the present embodiment, as shown in fig. 4, the power module 300 may specifically include four power circuits, namely, a power circuit 310, a power circuit 320, a power circuit 330, and a power circuit 340, wherein the circuit diagram of the power circuit 310 is shown in fig. 4A, which can provide a working voltage of 3.6V; the circuit diagram of the power circuit 320 is shown in fig. 4B, which can provide an operating voltage of 3.3V; the circuit diagram of the power circuit 330 is shown in fig. 4C, which can provide an operating voltage of 1.8V; the circuit diagram of the power circuit 340 is shown in fig. 4D, which can provide an operating voltage of 1.2V. The four power circuits can provide four working voltages for the development platform, so as to meet different power supply requirements of the core processing module 100 and the expansion module 500; in a specific actual development operation, the power module 300 may be provided with a second selection circuit 350, the four

power circuits

310 and 340 are electrically connected to the second selection circuit 350, the switching and selection of the four

power circuits

310 and 340 may be realized through the second selection circuit 350, specifically, the function of the second selection circuit 350 may be realized by providing a switch or a jumper on a circuit board carrying the development platform, so as to conveniently select different operating voltages.

Fig. 5 shows a circuit diagram of the reference input module 400, as shown in fig. 5, the reference input module 400 can input a reference signal generated by a standard signal source, such as a pulse signal, a square wave signal, a PMW waveform, a code signal, a random number signal, and the like, to the core processing module 100 for implementing various development functions, such as maintaining synchronization between a system and an external system clock, providing a reference clock for real-time calibration of modules inside the system, and the like.

Fig. 6 shows a circuit diagram of the extension module 500, and as shown in fig. 6, the extension module 500 may include a variety of interfaces, which may include any type of interfaces such as SPI, I2C, UART, etc. and serve as a medium for connecting and communicating between the extension module 500 and the core processing module 100; the expansion module 500 may be connected to one of a plurality of chips such as bluetooth, WiFi, ZigBee, and the like, and may develop a plurality of products according to actual needs and based on the core processing module 100 and the expansion module 500, for example, the expansion module 500 may include a bluetooth chip, and at this time, the expansion module 500 becomes a bluetooth expansion module, and development of a plurality of bluetooth devices, such as wearable devices, smart homes, smart home appliances, and the like, may be performed through the combined action of the core processing module 100 and the bluetooth expansion module; the core processing module 100 can control the expansion module 500 through the various interfaces by using a private protocol, for example, the expansion module 500 is wirelessly connected with an external device through the antenna module 700, so as to achieve the purpose of wireless communication.

Fig. 7 is a schematic structural diagram of the observation debugging module 600, and fig. 7A shows a circuit diagram of the observation debugging module 600. The observation and debugging module 600 may include a line controller 610 and a signal conversion circuit 620, wherein the line controller 610 is configured to capture a signal between the core processing module 100 and the expansion module 500 in real time, the signal conversion circuit 620 is configured to convert the signal captured by the line controller 610 and output the converted signal to an external device, such as a PC, and the external device can display the signal, so that real-time observation of the signal between the core processing module 100 and the expansion module 500 can be achieved by observing the external device connected to the debugging module 600; on the other hand, the signal conversion circuit 620 may also convert a signal generated by an external device connected to the observation and debugging module 600 and then input the converted signal to the core processing module 100 or the expansion module 500, so that intervention, control and debugging of the above modules by an external signal can be realized.

Fig. 8 is a schematic structural diagram of the antenna module 700, and fig. 8 shows a circuit diagram of the antenna module 700. In this embodiment, the antenna module 700 shown in fig. 8 can provide two antenna forms, namely an antenna 720 and an antenna 730, for expanding the communication between the module 500 and the external device, and can be selected according to the actual development requirement; in addition, the antenna module 700 is further provided with a first selection circuit 710, and the first selection circuit 710 can switch and select one of the antenna 720 and the antenna 730, and particularly, in actual development operation, the function of the first selection circuit 710 can be realized by setting a switch and a jumper on a circuit board.

To sum up, the embedded system development platform provided by the utility model takes the core processing module as the core, and develops various communication and debugging interfaces, thereby facilitating conventional development and rapid debugging and improving the development efficiency; the expansion module provides a bidirectional control signal to form a modular development platform; the debugging interface module and the observation debugging module can quickly and conveniently solve the problems in the development process; the reference input module provides a standard reference signal, and the performance index of the whole system is improved; the power supply module provides multiple working voltages, and the voltage range can cover the power supply requirement of a conventional chip; the antenna module can switch different antenna forms, and different development requirements are met.

Naturally, the present invention can be embodied in many other forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be made by one skilled in the art without departing from the spirit or essential attributes thereof, and it is intended that all such changes and modifications be considered as within the scope of the appended claims.

Claims

1. An embedded system development platform, comprising:

a core processing module;

the expansion module is electrically connected with the core processing module and is used for developing various products together with the core processing module;

the debugging interface module is electrically connected with the core processing module and used for debugging the core processing module;

the power supply module is electrically connected with the core processing module and is used for providing various working voltages for the core processing module;

the reference input module is electrically connected to the core processing module and used for inputting a reference signal to the core processing module;

the observation debugging module is electrically connected between the core processing module and the expansion module and is used for observing or debugging signals between the core processing module and the expansion module; and

and the antenna module is electrically connected with the expansion module and used for connecting and communicating the expansion module and external equipment.

2. The embedded system development platform of claim 1, wherein the antenna module comprises at least one antenna form.

3. The embedded system development platform of claim 2, wherein the antenna module further comprises a first selection circuit for selecting the at least one antenna form.

4. The embedded system development platform of claim 1, wherein the power module further comprises a second selection circuit for selecting one of the plurality of operating voltages.

5. The embedded system development platform of claim 4, wherein the plurality of operating voltages comprises 1.2V, 1.8V, 3.3V, and 3.6V.

6. The embedded system development platform of claim 1, wherein the core processing module is an MH1902 model chip.

7. The embedded system development platform of claim 1, wherein the debug interface module comprises a JTAG interface.

8. The embedded system development platform of claim 1, wherein the extension module comprises a plurality of interfaces for connection and communication between the extension module and the core processing module.

9. The embedded system development platform according to claim 1, wherein the observation and debugging module includes a line controller and a signal conversion circuit, wherein the line controller is configured to obtain signals between the core processing module and the expansion module in real time, and the signal conversion circuit is configured to convert and input the signals to an external device for display.

10. The embedded system development platform according to claim 9, wherein the signal conversion circuit is further capable of converting and inputting a signal generated by the external device to the core processing module or the expansion module.