CN220691390U

CN220691390U - Debugging device and development system

Info

Publication number: CN220691390U
Application number: CN202322408496.3U
Authority: CN
Inventors: 陈求求
Original assignee: Shanghai Jinzhuo Technology Co ltd
Current assignee: Shanghai Jinzhuo Technology Co ltd
Priority date: 2023-09-05
Filing date: 2023-09-05
Publication date: 2024-03-29
Anticipated expiration: 2033-09-05

Abstract

The application provides a debugging device and a development system, wherein the debugging device comprises a debugging board, a communication interface is arranged on the debugging board, and the debugging board is in communication connection with a system board to be debugged through a communication cable; and the debugging board is provided with at least one JTAG debugging module and at least one UART serial port, and transmits JTAG debugging signals and UART debugging signals to the system board through a communication cable connected with the debugging board, so that the system board is debugged. According to the method and the device, the interface and the circuit related to debugging are independently arranged on the debugging board, the communication interface is reserved only on the system board to communicate with the debugging board, the debugging convenience and the debugging efficiency can be improved, the size of the system board is effectively reduced, and the development cost is reduced.

Description

Debugging device and development system

Technical Field

The application relates to the technical field of system debugging, in particular to a debugging device and a development system.

Background

In the development process of the system board, in order to perform system debugging and problem debugging subsequently, some debugging interfaces are usually required to be arranged on the system board so as to debug the system board.

With the increasing functions of the system board, more debug interfaces, such as JTAG (Joint Test Action Group, joint test workgroup) interfaces, UART (Universal Asynchronous Receiver/Transmitter ) serial ports, etc., are reserved, and these JTAG interfaces usually use simple cow connectors, and in addition, circuits such as level conversion are also needed, which occupy a relatively large space of the system board, so that the system board is difficult to make small, and after the system board completes debugging, the chances of using these debug interfaces in the following are less, which results in waste of debug resources reserved on the system board, and increases development cost intangibly.

Disclosure of Invention

In view of this, the main object of the present application is to provide a debugging device and a development system, which can improve the convenience and efficiency of debugging, effectively reduce the size of the system board, and reduce the development cost by separately setting the debugging-related interface and circuit on the debugging board, and only reserving the communication interface on the system board for communication with the debugging board.

In a first aspect, the present application provides a debugging device, including a debugging board, where a communication interface is disposed on the debugging board, and is in communication connection with a system board to be debugged through a communication cable;

and the debugging board is provided with at least one JTAG debugging module and at least one UART serial port, and transmits JTAG debugging signals and UART debugging signals to the system board through a communication cable connected with the debugging board, so that the system board is debugged.

By the above, the related JTAG debugging module, UART serial port and related circuits thereof are arranged on the debugging board by providing an independent debugging board, and the communication interface is arranged on the debugging board so as to realize communication connection with the system board to be debugged through the pluggable communication cable, so that JTAG debugging signals and UART debugging signals are sent to the system board, and the debugging of the system board is realized. Through this application, can improve the convenience and the debugging efficiency of debugging to effectively reduce the size of system board, reduce development cost.

Optionally, the communication interface on the debug board includes a ZIF connector, and the ZIF connector on the debug board is in communication connection with the system board through an FPC flat cable.

By the above, through set up ZIF (Zero Insertion Force, zero force inserts) connector on the debugging board, this ZIF connector accessible pegging graft FPC winding displacement and system board realization communication connection, this debugging board can be through this ZIF connector and FPC winding displacement with JTAG debugging signal and UART debugging signal transmission to the system board to realize to the debugging of system board.

Optionally, a JTAG communication pin for transmitting JTAG debug signals, a UART communication pin for transmitting UART debug signals, and a VCC communication pin for transmitting power signals are arranged in the ZIF connector.

By the above, the transmission of debugging signals and power signals can be realized by arranging JTAG communication pins, UART communication pins and VCC communication pins in the ZIF connector.

Optionally, a power conversion module connected with the communication interface circuit is further arranged on the debug board.

By the above, through providing the power conversion module, can convert the power to provide operating voltage for system board and debugging board, no longer need to set up instruments and equipment such as heavy steady voltage power alone.

Optionally, a serial port level conversion circuit is further disposed on the debug board, and the UART serial port is connected to the communication interface through the serial port level conversion circuit.

Therefore, when the communication level of the UART serial port is inconsistent with the level of the system board, a serial port level conversion circuit is required to convert the level of the debugging signal sent by the UART serial port, so that the system board can conveniently identify the UART debugging signal sent by the UART serial port.

Optionally, a USB serial port connected to the communication interface circuit is further disposed on the debug board.

By setting the USB interface connected with the communication interface circuit, the communication can be realized with the system board through the USB interface, and the quick downloading of the program can be realized, so that the verification of the system board can be realized.

Optionally, a USB-to-UART circuit is further disposed on the debug board, and the USB serial port is connected to the UART serial port through the USB-to-UART circuit.

By the above, in order to make a plurality of UART serial ports operation convenient to use high efficiency in the debugging process, the accessible sets up USB and changes UART circuit, realizes the connection of USB interface and a plurality of UART serial ports, and when debugging, only need be connected the USB interface of this debugging board with the host computer through the USB line can realize the communication control to a plurality of UART serial ports.

Optionally, the JTAG debug module includes one or more of an ARM JTAG debug module and a DSP JTAG debug module.

Thus, the ARM (Advanced RISC Machines, advanced and simplified instruction set computing machine) in the system board can be debugged through the ARM JTAG debugging module, and the DSP (Digital Signal Processor ) in the system board can be debugged through the DSP JTAG debugging module.

In a second aspect, the present application provides a development system, including a system board to be debugged and the above-mentioned debugging device;

the system board is provided with a communication interface and is in communication connection with the debugging device through a communication cable.

By the above, through the debugging device of this application, the system board of all kinds of models is connected to the accessible communication cable, and for example the required debugging interface of the system board of KS2300 model is comparatively more, carries out all kinds of debugging to the system board of KS2300 model through the debugging device that this application provided, can no longer set up debugging interface and relevant circuit on the system board of KS2300 model, has reduced development cost.

These and other aspects of the application will be apparent from and elucidated with reference to the embodiment(s) described hereinafter.

Drawings

Fig. 1 is a block diagram of a debugging device according to an embodiment of the present application;

fig. 2 is a block diagram of a development system according to an embodiment of the present application.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present application more apparent, the present application will be described in further detail with reference to the accompanying drawings.

The embodiment of the application provides a debugging device, through setting up debugging relevant interface and circuit alone on the debugging board, only keep communication interface and this debugging board communication at the system board, carry out various system debugging and problem debugging to the system board through this debugging board, improve the convenience and the debugging efficiency of debugging to effectively reduce the size of system board, reduce development cost.

As shown in fig. 1, a debugging device provided in an embodiment of the present application includes a debugging board, where a communication interface 110 is disposed on the debugging board, and the communication interface 110 is in communication connection with a system board to be debugged through a communication cable; at least one JTAG debugging module 120 and at least one UART serial port 130 are arranged on the debugging board, and the debugging board sends JTAG debugging signals and UART debugging signals to the system board through the communication interface 110 and a communication cable connected with the JTAG debugging module and the UART serial port, so that the debugging of the system board is realized.

In some embodiments, the JTAG debug module 120 may be used to view and set the status of internal registers of a microprocessor (e.g., ARM or DSP) on the system board, and may also analyze the cause of a system failure and perform software debugging, thereby facilitating the location of the system failure. The JTAG debug module 120 may be an ARM (Advanced RISC Machines, advanced simplified instruction set computing machine) JTAG debug module, a DSP (Digital Signal Processor ) JTAG debug module, or a combination of an ARM JTAG debug module and a DSP JTAG debug module, and in the process of debugging the system board, the ARM JTAG debug module and the DSP JTAG debug module may be controlled by an upper computer (may be a computer loaded with debug software), the ARM in the system board is debugged and monitored by the ARM JTAG debug module, and the DSP in the system board is debugged and monitored by the DSP JTAG debug module.

In some embodiments, a serial level conversion circuit 140 is further disposed on the debug board, and a plurality of UARTs (Universal Asynchronous Receiver/transceivers, universal asynchronous transceivers) serial ports 130 are respectively connected to the communication interface 110 through the serial level conversion circuit 140, and the level of the debug signal sent by the UART serial port 130 is converted by the serial level conversion circuit 140, so that the system board can identify the UART debug signal sent by the UART serial port. In the process of debugging the system board, the upper computer is connected with the plurality of UART serial ports through serial port cables, so that the debugging command can be sent out to the system board, the system board can be checked, or the system board can be subjected to communication debugging and the like.

In some embodiments, the debug board is further provided with a USB interface 150, the USB interface 150 may be directly connected to the communication interface 110 through a USB cable, and the host computer may connect to the USB interface through the communication interface 110 connected to the USB interface 150, and download the debug program to the system board, so as to implement program verification on the system board.

In other embodiments, the debug board is further provided with a USB-to-UART circuit 160, the USB interface 150 is connected to the UART serial ports 130 through the USB-to-UART circuit 160, and when the system board needs to be debugged by using the UART serial ports 130, the host computer can be connected to the USB interface 150 only through one USB cable, so as to control the UART serial ports 130 by the host computer.

In some embodiments, the communication interface 110 on the debug board may be a ZIF (Zero Insertion Force, zero force plug) connector, in which a JTAG communication pin for transmitting JTAG debug signals, a UART communication pin for transmitting UART debug signals, and a VCC communication pin for transmitting power signals are disposed, and the ZIF connector on the debug board may be communicatively connected to the system board by plugging FPC flat cables.

In some embodiments, the debug board is further provided with a power conversion module 170 electrically connected to the communication interface 110, and the power conversion module 170 can convert an external power supply to provide working voltages for the system board and the debug board, so that no heavy voltage-stabilized power supply or other instruments or equipment is required to be separately provided.

Based on the debugging device shown in fig. 1, the embodiment of the application further provides a development system, as shown in fig. 2, where the development system includes a system board to be debugged and the debugging board described in the foregoing embodiment, a communication interface 210 is disposed on the system board, and by way of example, the communication interface 210 may also be a ZIF connector, and the system board may implement communication connection with the foregoing debugging board through an FPC flat cable.

In some embodiments, the system board may be a KS2300 model system board, and the KS2300 model system board has a relatively large number of debug interfaces, for example, 1 AP JTAG interface, 2 DSP JTAG interfaces, and 4 UART serial ports, so that various types of debug can be performed on the KS2300 model system board by using the debug board provided in the embodiments of the present application, and there is no need to set debug interfaces and related circuits on the KS2300 model system board, thereby reducing development costs.

The above embodiments only list possible common interfaces in the debug board provided in the present application, and it is obvious that new interfaces may be added or some interfaces may be deleted according to the debug requirements.

In summary, according to the embodiment of the application, the interface and the circuit related to debugging are independently arranged on the debugging board, and the communication interface is reserved only on the system board to communicate with the debugging board, so that related debugging of various system boards can be realized, the convenience and the debugging efficiency of system debugging are improved, the size of the system board is effectively reduced, and the development cost is reduced.

It should be noted that the embodiments described in this application are only some embodiments of the present application, and not all embodiments. The components of the embodiments of the present application, as generally described and illustrated in the figures, may be arranged and designed in a wide variety of different configurations. Thus, the above detailed description of the embodiments of the present application, provided in the accompanying drawings, is not intended to limit the scope of the application as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present application without making any inventive effort, are intended to be within the scope of the present application.

The term "comprising" as used in the description and claims should not be interpreted as being limited to what is listed thereafter; it does not exclude other elements or steps. Thus, it should be interpreted as specifying the presence of the stated features, integers, steps or components as referred to, but does not preclude the presence or addition of one or more other features, integers, steps or components, or groups thereof. Thus, the expression "a device comprising means a and B" should not be limited to a device consisting of only components a and B.

Reference in the specification to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the application. Thus, appearances of the phrases "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment, but may. Furthermore, in the various embodiments of the application, where no special description or logic conflicts exist, the terms and/or descriptions between the different embodiments are consistent and may be mutually referenced, the technical features of the different embodiments may be combined to form a new embodiment according to their inherent logic relationships.

Note that the above is only the preferred embodiments of the present application and the technical principles applied. Those skilled in the art will appreciate that the present application is not limited to the particular embodiments described herein, but is capable of numerous obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the present application. Thus, while the present application has been described in terms of the foregoing embodiments, the present application is not limited to the foregoing embodiments, but may include many other equivalent embodiments without departing from the spirit of the present application, all of which fall within the scope of the present application.

Claims

1. The debugging device is characterized by comprising a debugging board, wherein a communication interface is arranged on the debugging board, and the debugging board is in communication connection with a system board to be debugged through a communication cable;

2. The apparatus of claim 1, wherein the communication interface on the debug board comprises a ZIF connector that is communicatively coupled to the system board via an FPC cable.

3. The apparatus of claim 2, wherein a JTAG communication pin for transmitting JTAG debug signals, a UART communication pin for transmitting UART debug signals, and a VCC communication pin for transmitting power signals are provided in the ZIF connector.

4. The device of claim 1, wherein the debug board is further provided with a power conversion module coupled to the communication interface circuit.

5. The device of claim 1, wherein a serial port level conversion circuit is further disposed on the debug board, and the UART serial port is connected to the communication interface through the serial port level conversion circuit.

6. The device of claim 1, wherein the debug board is further provided with a USB serial port connected to the communication interface circuit.

7. The device of claim 6, wherein the debug board is further provided with a USB-to-UART circuit, and the USB serial port is connected to the UART serial port through the USB-to-UART circuit.

8. The apparatus of claim 1, wherein the JTAG debug module comprises one or more of an ARM JTAG debug module and a DSP JTAG debug module.

9. A development system comprising a system board to be debugged and the debugging device according to any one of claims 1 to 8;