CN113341907A - System and debugging method for universal Debug card - Google Patents
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- CN113341907A CN113341907A CN202110425348.5A CN202110425348A CN113341907A CN 113341907 A CN113341907 A CN 113341907A CN 202110425348 A CN202110425348 A CN 202110425348A CN 113341907 A CN113341907 A CN 113341907A
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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
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0208—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system
- G05B23/0213—Modular or universal configuration of the monitoring system, e.g. monitoring system having modules that may be combined to build monitoring program; monitoring system that can be applied to legacy systems; adaptable monitoring system; using different communication protocols
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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
- G05B2219/24065—Real time diagnostics
Abstract
The system comprises a debugging function module, a programmable logic device, a connecting module and a display module, wherein the debugging function module is used for calling a terminal to be debugged and is used for converting a Debug code of the terminal to be debugged into a falling edge signal to be output; the first signal input end of the programmable logic device is connected with the signal output end of the terminal to be debugged through the connecting module and used for receiving a falling edge signal and responding to the falling edge signal to store and output the number of the Debug code; and the signal input end of the display module is connected with the signal output end of the programmable logic device module and is used for displaying the number of the Debug code output by the programmable logic device module. The method and the device have the effect of reducing debugging cost.
Description
Technical Field
The application relates to the field of embedded development and debugging, in particular to a system and a debugging method of a universal Debug card.
Background
In embedded development and debugging, a main board fault diagnosis Card (Debug Card) is often used, and the Debug Card is used for displaying Debug codes thrown out by firmware codes in operation so as to facilitate an engineer to analyze positioning problems; the mainboard fault diagnosis card utilizes the detection result of the internal self-checking program of the BIOS in the mainboard, displays the codes one by one, and can quickly know the fault of the computer by combining the code meaning quick look-up table.
At present, a Debug Card generally adopts an LPC or I2C interface, so that a terminal to be diagnosed must support the LPC interface or I2C interface, before the Debug Card is used, an LPC or I2C controller needs to be initialized, and then a series of state and command judgment operations are performed on the terminal to be diagnosed to perform normal Debug code output.
In view of the above-mentioned related technologies, the inventors considered that in the development of multiple platforms, Debug cards of LPC or I2C interfaces need to be prepared separately for different platforms, and when outputting, it is necessary to initialize the controller of LPC or I2C to enable output using the Debug cards, which is difficult to Debug and costly.
Disclosure of Invention
In order to reduce debugging cost, the application provides a system and a debugging method of a universal Debug card.
The system for the universal Debug card adopts the following technical scheme:
in a first aspect, a system of a universal Debug card comprises a debugging function module, a programmable logic device, a connection module and a display module, wherein,
the debugging function module is used for calling the terminal to be debugged, and the debugging function module is used for converting a Debug code thrown out by the terminal to be debugged into a falling edge signal to be output;
the first signal input end of the programmable logic device is connected with the signal output end of the terminal to be debugged through the connecting module, and is used for receiving the falling edge signal, converting the falling edge signal into the number of the Debug code, and storing and outputting the number of the Debug code;
the connection module comprises a general purpose GPIO line, the signal output end of the terminal to be debugged and the first signal input end of the programmable logic device are respectively provided with a general purpose I/O port, one end of the general purpose GPIO line is connected with the general purpose I/O port of the terminal to be debugged, and the other end of the general purpose GPIO line is connected with the general purpose I/O port of the programmable logic device;
and the signal input end of the display module is connected with the signal output end of the programmable logic device module and is used for displaying the number of the Debug code output by the programmable logic device.
By adopting the technical scheme, after the debugging function module is called by the debugging terminal, the Debug code can be converted into the falling edge signal to be output, the falling edge signal carries the number of the Debug code, and after the falling edge signal is transmitted to the programmable logic device, the programmable logic device can process the falling edge signal to obtain the number of the Debug code so as to complete transmission; after the transmission of the number of the Debug code is finished, outputting the number to a display module through a programmable logic device for display; in the debugging process, only one GPIO line is needed to complete the connection between the terminal to be debugged and the programmable logic device, and the manufacturing cost LPC and I2C of the GPIO line are low, so that the debugging method has the advantages of wide applicability and universality, convenience in debugging and capability of reducing the debugging cost.
Optionally, the debugging function module is written into a memory of the terminal to be debugged in development so as to be called by the terminal to be debugged.
By adopting the technical scheme, the universal I/O port can be directly operated in development to be used as an output end of the terminal to be debugged to output an output signal, so that the serial number of the Debug code can be transmitted by using I/O even in early development and debugging, and the use of the Debug card in early development is realized.
Optionally, the device further comprises a key module, the key module responds to a pressing action of a user to output a key signal, a second signal input end of the programmable logic unit is connected with a signal output end of the key module, and the programmable logic unit responds to the key signal to output a stored number of the Debug code.
By adopting the technical scheme, a developer can input a key signal into the programmable logic device through the key module and call the number of the Debug code stored in the programmable logic device for displaying, thereby observing the debugging process.
Optionally, the display module includes a plurality of eight-segment nixie tubes.
By adopting the technical scheme, the eight-section nixie tube display has the advantages of low manufacturing cost, convenience in connection and simplicity in use.
In a second aspect, a debugging method for a universal Debug card includes,
converting a Debug code thrown out in the operation of a terminal to be debugged into a falling edge signal and outputting the falling edge signal;
receiving a falling edge signal output by the terminal to be debugged, and converting the falling edge signal into the number of a Debug code;
and displaying the number of the Debug code.
By adopting the technical scheme, if the terminal to be debugged is in operation and has a problem, the Debug code is thrown out, the Debug code thrown out by the terminal to be debugged is firstly converted into a falling edge signal to be output, then the falling edge signal is converted into the number of the Debug code, and the number is displayed for a developer to analyze and judge; because the falling edge signal output by the terminal to be debugged is high and low level, in early development, the falling edge signal can be directly output without initializing an output port and directly operating a register of an I/O port, and the high and low level can be output through the existing output interface on the terminal to be debugged without adopting a specific output interface, so that the terminal to be debugged has the effect of being convenient for debugging.
Optionally, the converting the Debug code into the falling edge signal specifically includes,
debugging the output end of the terminal to be debugged to enable the output end of the terminal to be debugged to output high and low levels;
acquiring a Debug code thrown out by the terminal to be debugged in operation, and acquiring the number of the Debug code based on the Debug code, wherein the number of the Debug code is a numerical value;
converting the number of the Debug code into a falling edge signal and outputting the falling edge signal;
and the number of the output falling edge signals corresponds to the number of the Debug code so as to obtain the number of the Debug code.
By adopting the technical scheme, the Debug code is thrown out by the firmware code preset in the terminal to be debugged, each number of the Debug code corresponds to different meanings, and the number of the Debug code only needs to be transmitted between the terminal to be debugged and the Debug card in debugging; transmitting by using falling edge signals, wherein the number of the falling edge signals can correspond to the number of the Debug code; and in the transmission, the number of the Debug code can be transmitted without carrying out too complicated operation.
Optionally, the converting the falling edge signal into a number of the Debug code specifically includes,
and when the first falling edge signal is received, starting timing, and calculating the number of the falling edge signals received in preset time, wherein the numerical value of the number of the falling edge signals is the number of the Debug code.
By adopting the technical scheme, timing is carried out after the first falling edge is received within the preset time, and the programmable logic device counts the number value of the received falling edges after the timing time is over.
Optionally, the method further includes storing a number of the Debug code;
and acquiring an instruction input by a user, and responding to the instruction to output the number of the stored Debug code.
By adopting the technical scheme, the number of the Debug code acquired each time is stored in the programmable logic device, and the instruction input by the developer can call the stored information to display the historical information, so that the developer can analyze the debugging process according to the historical information.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the method comprises the steps that a GPIO line is arranged to connect a terminal to be debugged and a programmable logic unit, a debugging function module capable of converting a Debug code into a falling edge signal to be output is arranged, the falling edge signal carries the number of the Debug code, and after the Debug code is transmitted to the programmable logic unit, the programmable logic unit can process the falling edge signal to obtain the number of the Debug code so as to finish transmission; after the transmission of the number of the Debug code is finished, the programmable logic device outputs and displays the number through the display module, so that the debugging method has the effects of facilitating debugging and reducing the debugging cost.
Drawings
FIG. 1 is a schematic structural diagram of a system according to an embodiment of the present application;
FIG. 2 is a block flow diagram of a debugging method according to an embodiment of the present application;
fig. 3 is a flowchart of a debugging method according to an embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is further described in detail below with reference to fig. 1-3 and the embodiments.
The embodiment of the application discloses a system of a universal Debug card. Referring to fig. 1, a system of a universal Debug Card includes a Debug function module, a programmable logic device, a connection module, a display module, and a key module.
The debugging device comprises a connecting module, a debugging module and a debugging module, wherein the connecting module is used for connecting the programmable logic device and a terminal to be debugged and transmitting a Debug code thrown out by the terminal to be debugged in the running process to the programmable logic device; in this embodiment, the terminal to be debugged includes, but is not limited to, an ARM, an MCU, an X86, and the like, and at least includes a hardware system and a software system written by a developer; when a terminal to be debugged is developed, Debug operation is often required to eliminate faults of the terminal to be debugged in operation.
In development, if faults need to be eliminated, the programmable logic device is connected to a terminal to be debugged by using the connecting module, then the debugging function module is called, the debugging function module is called by the terminal to be debugged and used for converting Debug codes of the terminal to be debugged into falling edge signals to be output, and the falling edge signals can transmit numbers of the Debug codes. After the number of the Debug code is transmitted to the programmable logic device, the programmable logic device processes and outputs the Debug code, and the Debug code is displayed through the display module to help a developer locate a problem and complete the Debug process.
In some development processes, the terminal to be debugged may only have one or none of the LPC interface and the I2C interface, and if a fault in the terminal to be debugged needs to be eliminated, the Debug Card of the LPC interface and the Debug Card of the I2C interface must be prepared at the same time, which is relatively expensive. In order to reduce debugging cost and improve the universality of the Debug Card, a general GPIO line is selected as the connecting module, and when debugging is carried out, even if the terminal to be debugged does not have an LPC or I2C interface, the terminal to be debugged and the programmable logic device can be connected through the GPIO line so as to realize data transmission between the terminal to be debugged and the programmable logic device and output a Debug code thrown out by the terminal to be debugged, thereby completing the Debug process and simplifying the hardware connection of the Debug Card.
When the fault is eliminated, one end of the general GPIO line is connected with the I/O port of the terminal to be debugged, the other end of the general GPIO line is connected with the I/O port of the programmable logic device, the I/O port of the terminal to be debugged is set to be in an output mode, the I/O port of the programmable logic device is set to be in a receiving mode, and information can be transmitted through the GPIO line; the initialization of an LPC interface or an I2C port which needs to be carried out when in use is omitted, the fault removal is more convenient, the usability is stronger, the support of a transmission protocol is not needed, and the method can be used on various development platforms.
When a terminal to be debugged is developed, a debugging function module is written into a memory of the terminal to be debugged in early development, and the debugging function module can be used by calling when a fault is eliminated; the early development refers to the situation that only a basic software compiling environment is provided and no operating system exists. The debugging function module is used for converting the number of the Debug code thrown out when the terminal to be debugged runs to generate faults into a falling edge signal to be output, the number of the falling edges in the falling edge signal corresponds to the number of the Debug code, and the number of the Debug code can be transmitted through the falling edge signal. The falling edge signal is a discrete signal and has a rising edge and a falling edge, after each falling edge reaches the programmable logic device, the programmable logic device can count the falling edge, so that the number of the Debug code is obtained, and the number of the Debug code is the number of the Debug code according to the number of the falling edges, and the values of the Debug code and the Debug code are in one-to-one correspondence.
The first signal input end of the programmable logic device is connected with the signal output end of the terminal to be debugged through the connecting module and used for receiving the falling edge signal, processing the falling edge signal in response to the falling edge signal to obtain the number of the Debug code, and storing the number of the Debug code in the memory of the programmable logic device.
The signal input end of the display module is connected with the signal output end of the programmable logic device module, and the display module consists of a plurality of eight-segment digital tubes and is used for displaying the number of the Debug code output by the programmable logic device module.
The second signal input end of the programmable logic device is connected with the output end of the key module, the key module responds to the pressing action of a user to output a key signal to the programmable logic device, and the programmable logic device responds to the key signal, processes the key signal and outputs the number of the stored Debug code; through the key module, a developer can call the serial number of the historical Debug code in the memory of the programmable logic device, so that the fault reason can be summarized conveniently.
The embodiment of the application also discloses a debugging method of the universal Debug card. Referring to fig. 2-3, including,
s101, converting a Debug code thrown out in the operation of the terminal to be debugged into a falling edge signal and outputting the falling edge signal.
The Debug code is a detection result of an internal self-checking program in the terminal to be debugged in the operation process of the terminal to be debugged, if the terminal to be debugged fails, the Debug code is thrown out, and developers can analyze fault points of the terminal to be debugged in the operation process by acquiring the Debug code so as to facilitate subsequent fault removal and debugging maintenance.
And S1011, debugging the output end of the terminal to be debugged, so that the output end of the terminal to be debugged outputs high and low levels.
The I/O port of the terminal to be debugged is used as an output end, and when a fault is eliminated, a register of the I/O port needs to be debugged, so that the I/O is in an output mode, and the output level can jump between high and low levels.
And S1012, acquiring a Debug code thrown out by the terminal to be debugged in operation, and acquiring the number of the Debug code based on the Debug code.
The Debug code is limited by a self-checking program in the terminal to be debugged, the number of the released Debug code corresponds to different problems, and developers can find the problem through the number of the Debug code according to a clue.
And S1013, converting the number of the Debug code into a falling edge signal and outputting the falling edge signal.
And during output, the terminal to be debugged outputs falling edge signals with the same number of falling edges as the number of the Debug codes according to the number of the Debug codes. Specifically, the level signal output by the I/O port jumps between high and low level signals, and the number of times of jumping is the same as the number of the Debug code, so that the number of falling edges included in the output falling edge signal is the same as the number of the Debug code.
S201, according to the falling edge signal sent by the terminal to be debugged, converting the falling edge signal into the number of the Debug code.
The falling edge signal contains the number of the Debug code, the falling edge signal can be transmitted to the programmable logic device, and the programmable logic device decodes the falling edge signal to obtain the number of the Debug code.
Referring to fig. 2, in the decoding process, after receiving the first falling edge signal, timing is started, in this embodiment, the timing time is set to 5ms, a value of the number of falling edges received within the 5ms is calculated, the number of falling edges received within the 5ms is counted, and after the counting is completed, the counted value is the number of the Debug code.
S301, displaying the number of the Debug code.
And writing an output program of the eight-segment nixie tube into the programmable logic device, wherein the program can control the eight-segment nixie tube and display the number of the Debug code.
S401, storing the number of the Debug code.
And storing the acquired number of the Debug code into a memory of the programmable logic device.
S501, acquiring an instruction input by a user, and responding to the instruction to output the stored number of the Debug code.
And in response to an instruction input by a user, calling the stored number of the Debug code from the memory of the programmable logic device, and outputting the number to an eight-segment nixie tube for displaying so as to realize calling of historical information and facilitate analysis of problems by developers in the process of removing faults.
The foregoing is a preferred embodiment of the present application and is not intended to limit the scope of the application in any way, and any features disclosed in this specification (including the abstract and drawings) may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.
Claims (8)
1. A system of a universal Debug card is characterized in that: comprises a debugging function module, a programmable logic device, a connecting module and a display module, wherein,
the debugging function module is used for calling the terminal to be debugged, and the debugging function module is used for converting a Debug code thrown out by the terminal to be debugged into a falling edge signal to be output;
the first signal input end of the programmable logic device is connected with the signal output end of the terminal to be debugged through the connecting module, and is used for receiving the falling edge signal, converting the falling edge signal into the number of the Debug code, and storing and outputting the number of the Debug code;
the connection module comprises a general purpose GPIO line, the signal output end of the terminal to be debugged and the first signal input end of the programmable logic device are respectively provided with a general purpose I/O port, one end of the general purpose GPIO line is connected with the general purpose I/O port of the terminal to be debugged, and the other end of the general purpose GPIO line is connected with the general purpose I/O port of the programmable logic device;
and the signal input end of the display module is connected with the signal output end of the programmable logic device module and is used for displaying the number of the Debug code output by the programmable logic device.
2. The system of the universal Debug card as claimed in claim 1, wherein: the debugging function module is written into a memory of the terminal to be debugged in development for the terminal to be debugged to call.
3. The system of the universal Debug card according to claim 2, wherein: the key module responds to the pressing action of a user to output a key signal, a second signal input end of the programmable logic unit is connected with a signal output end of the key module, and the programmable logic unit responds to the key signal to output the number of the stored Debug code.
4. The system of the universal Debug card as claimed in claim 3, wherein: the display module comprises a plurality of eight-segment nixie tubes.
5. The debugging method of the universal Debug card according to claims 1-5, wherein: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
converting a Debug code thrown out in the operation of a terminal to be debugged into a falling edge signal and outputting the falling edge signal;
receiving a falling edge signal output by the terminal to be debugged, and converting the falling edge signal into the number of a Debug code;
and displaying the number of the Debug code.
6. The debugging method of the universal Debug card according to claim 5, wherein: the converting the Debug code into the falling edge signal specifically includes,
debugging the output end of the terminal to be debugged to enable the output end of the terminal to be debugged to output high and low levels;
acquiring a Debug code thrown out by the terminal to be debugged in operation, and acquiring the number of the Debug code based on the Debug code, wherein the number of the Debug code is a numerical value;
converting the number of the Debug code into a falling edge signal and outputting the falling edge signal;
and the number of the output falling edge signals corresponds to the number of the Debug code so as to obtain the number of the Debug code.
7. The debugging method of the universal Debug card according to claim 6, wherein: the conversion of the falling edge signal into the number of the Debug code specifically includes,
and when the first falling edge signal is received, starting timing, and calculating the number of the falling edge signals received in preset time, wherein the numerical value of the number of the falling edge signals is the number of the Debug code.
8. The debugging method of the universal Debug card according to claim 6, wherein: the method also comprises the steps of storing the number of the Debug code;
and acquiring an instruction input by a user, and responding to the instruction to output the number of the stored Debug code.
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