CN205594621U - A debugging for microcontroller - Google Patents

A debugging for microcontroller Download PDF

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Publication number
CN205594621U
CN205594621U CN201620349766.5U CN201620349766U CN205594621U CN 205594621 U CN205594621 U CN 205594621U CN 201620349766 U CN201620349766 U CN 201620349766U CN 205594621 U CN205594621 U CN 205594621U
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debugging
module
input
output terminal
unit
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万上宏
叶媲舟
黎冰
涂柏生
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Shenzhen Bojuxing Microelectronics Technology Co., Ltd.
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SHENZHEN BOJUXING INDUSTRIAL DEVELOPMENT Co Ltd
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Abstract

The utility model belongs to the technical field of the circuit, a a debugging for microcontroller is provided. In the carrier roller device, the debugging is including debugging IC interface control module, digit debugging module and communication control module, wherein digital debugging module is the same with the structure of microcontroller's digital functional module, logarithmic word debugging module debugs the test results that obtains and the digital functional module to microcontroller, and to debug the test results who obtains the same, communication control module communicates with the simulation functional module among the microcontroller, can realize the debugging to simulation functional module among the microcontroller. Consequently, use this debugging can realize the debugging of digital functional module among the microcontroller with the simulation functional module, because this debugging lies in the microcontroller outside, consequently can not increase the area of microcontroller chip. Consequently, adopt this debugging to realize to microcontroller simulation functional module and the debugging of digital functional module under the prerequisite that does not increase microcontroller chip area.

Description

A kind of debugger for microcontroller
Technical field
This utility model belongs to circuit engineering field, particularly relates to a kind of debugger for microcontroller.
Background technology
The debugger of microcontroller (Microcontroller Unit, MCU) is that user is developing based on MCU Application program time for the instrument of debugging utility, MCU debugger can make program according to the meaning of user It is willing to run, such as single step run, full speed running or instructs operation suspension (breakpoint) at certain row of appointment, it is also possible to Obtain MCU relevant information (such as status register information, program pointer etc.) operationally and be uploaded to Host computer is checked for user.
The implementation of existing MCU debugger has two kinds, and one is to arrive integrated for debugging interface control module Inside MCU chip, MCU is controlled by the debugging instruction that debugging interface control module issues according to host computer System, or the real-time status that MCU runs is returned to host computer, but by integrated for debugging interface control module Inside MCU chip, add area and the cost of MCU chip.Another kind of implementation is to use now Field programmable gate array (Field-Programmable Gate Array, FPGA) realizes debugger function, should Scheme without increasing area and the cost of MCU chip, but due to FPGA be only capable of perform Digital Logic, because of This uses FPGA can only debug the digital function module in MCU, and cannot debug the simulation in MCU Functional module.Therefore, the existence of existing MCU debugger cannot be in the premise not increasing MCU chip area Under problem that the digital function module in MCU chip and analog functional module are debugged.
Utility model content
The purpose of this utility model is to provide a kind of debugger for microcontroller, it is intended to solve existing Existing for MCU debugger cannot be in MCU chip on the premise of not increasing MCU chip area The problem that digital function module and analog functional module carry out debugging.
This utility model is achieved in that a kind of debugger for microcontroller, including debugging interface control Molding block, the debugging instruction that described debugging interface control module is sent for receiving host computer, described debugging Device also includes digital modulation module and communication control module.
Described digital modulation module is identical with the structure of the digital function module of described microcontroller, the logarithm tone of Chinese characters Die trial block carries out debugging obtained debugging result and debugs with to the digital function module of described microcontroller Obtained debugging result is identical;The control end of described debugging interface control module and described digital modulation module Control end be connected, the data terminal of described digital modulation module and the data terminal phase of described communication control module Connecting, the first function input/output terminal of described digital modulation module accesses the first debugging signal, described communication The communication ends of control module is connected with the input/output terminal of the analog functional module of described microcontroller.
When the digital function module of described microcontroller is debugged, described debugging interface control module root Described digital modulation module is controlled signal to according to described debugging instruction output first;Described digital modulation module root Perform parameter configuration operation according to described first control signal, and perform function tune according to described first debugging signal Examination operation, and by second function input/output terminal output the first debugging consequential signal of described digital modulation module.
When the analog functional module of described microcontroller is debugged, described debugging interface control module root Described digital modulation module, described digital modulation module warp is controlled signal to according to described debugging instruction output second Described communication control module forwards the described second analog functional module controlling signal to described microcontroller, institute State analog functional module and perform parameter configuration operation according to described second control signal, and according to described simulation merit The second debugging signal that first function input/output terminal of energy module is inputted performs function debugging and operates, and by Second function input/output terminal output the second debugging consequential signal of described analog functional module.
Described digital modulation module includes control unit, digital peripherals unit and interface unit.
The control end that control end is described digital modulation module of described control unit, the letter of described control unit Number end is connected with the signal end of described digital peripherals unit, the first input and output of described digital peripherals unit End with the second input/output terminal respectively with described interface unit first be connected end and second connection end be connected, The data terminal of described digital peripherals unit is the data terminal of described digital modulation module, the of described interface unit One function input/output terminal and the second function input/output terminal are respectively the first function of described digital modulation module Input/output terminal and the second function input/output terminal.
Described debugger also includes interface duplex unit.
Multiple multiplexing ends of described interface duplex unit respectively with the first input/output terminal of described interface unit, Second input/output terminal of described interface unit, the first function input/output terminal of described analog functional module and Second function input/output terminal of described analog functional module is connected, the control end of described interface duplex unit It is connected with the control end of described digital peripherals unit;
The control signal that described interface duplex unit exports according to described digital peripherals unit is by described interface unit The first input/output terminal and the second input/output terminal be chosen to be respectively described interface duplex unit first input Outfan and the second input/output terminal, or described interface duplex unit exports according to described digital peripherals unit Control signal by the first function input/output terminal of described analog functional module and the second function input/output terminal It is chosen to be the first input/output terminal and second input/output terminal of described multiplexed inter respectively.
Described debugging interface control module, described digital modulation module and described communication control module are based on scene Programmable gate array device realizes.
Described interface duplex unit is MUX.
Described interface duplex unit includes MUX, the first current-limiting resistance, the second current-limiting resistance, pull-up Resistance, pull down resistor, the first switch, second switch;
Multiple multiplexing ends, the first input/output terminal and second input/output terminal of described MUX is respectively Multiple multiplexing ends, the first input/output terminal and second input/output terminal of described interface duplex unit is described many Control end, the described control end of the first switch and the control end of described second switch of road selector connect formation altogether The control end of described interface duplex unit, the of the first end of described first current-limiting resistance and described interface unit One input/output terminal is connected, and the first end of described second current-limiting resistance inputs with the second of described interface unit Outfan is connected, the second end of described first current-limiting resistance, the second end of described second current-limiting resistance, institute First end of the first end and described second switch of stating the first switch connects altogether, and the second end of described first switch leads to Crossing described pull-up resistor to be connected with power supply, the second end of described second switch is by described pull down resistor and ground It is connected.
In this utility model, debugger includes debugging interface control module, digital modulation module and communication control Molding block, wherein digital modulation module is identical with the structure of the digital function module of microcontroller, the logarithm tone of Chinese characters Die trial block carries out debugging obtained debugging result and the digital function module to microcontroller carries out debugging gained The debugging result arrived is identical, and communication control module communicates with the analog functional module in microcontroller, can Realize the debugging of analog functional module in microcontroller.Therefore, this debugger is used can to realize microcontroller Digital function module and the debugging of analog functional module in device, owing to this debugger is positioned at outside microcontroller, Thus without the area increasing microcontroller chip.Therefore, use this debugger to achieve and do not increase micro-control On the premise of device chip area processed, microcontroller analog functional module and digital function module are debugged.
Accompanying drawing explanation
Fig. 1 is the structural representation of the debugger that this utility model embodiment provides;
Fig. 2 is the structural representation of the debugger that another embodiment of this utility model provides;
Fig. 3 is the structural representation of the debugger that another embodiment of this utility model provides;
Fig. 4 is the structural representation of the debugger that another embodiment of this utility model provides.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing And embodiment, this utility model is further elaborated.Should be appreciated that described herein specifically Embodiment, only in order to explain this utility model, is not used to limit this utility model.
Fig. 1 shows the structural representation of the debugger that this utility model embodiment provides, for convenience of description, Illustrate only the part relevant to this utility model embodiment, details are as follows:
Debugger for microcontroller include debugging interface control module 100, digital modulation module 200 and Communication control module 300, wherein, debugging interface control module 100 is for receiving the tune that host computer is sent Examination instruction.
Digital modulation module 200 is identical with the structure of the digital function module of microcontroller, logarithm tone of Chinese characters die trial Block 200 carries out debugging obtained debugging result and the digital function module to microcontroller carries out debugging gained The debugging result arrived is identical;The control controlling end and digital modulation module 200 of debugging interface control module 100 End processed is connected, and the data terminal of digital modulation module 200 is connected with the data terminal of communication control module 300, First function input/output terminal of digital modulation module 200 accesses the first debugging signal, communication control module 300 Communication ends be connected with the input/output terminal of the analog functional module 400 of microcontroller.
When debugging the digital function module of microcontroller, debugging interface control module 100 is according to tune Examination instruction output first controls signal to digital modulation module 200;Digital modulation module 200 is according to the first control Signal processed performs parameter configuration operation, and performs function debugging operation according to the first debugging signal, and by numeral Second function input/output terminal output the first debugging consequential signal of debugging module 200.
When the analog functional module 400 of microcontroller is debugged, debugging interface control module 100 Controlling signal to digital modulation module 200 according to debugging instruction output second, digital modulation module 200 is through communication Control module 300 forwards the second analog functional module 400 controlling signal to microcontroller, analog functuion mould Block 400 performs parameter configuration operation according to the second control signal, and according to the first of analog functional module 400 The second debugging signal that function input/output terminal is inputted performs function debugging operation, and by analog functional module Second function input/output terminal output the second debugging consequential signal of 400.
Concrete, the digital function module of microcontroller includes microcontroller core, input/output interface circuit With digital function ancillary equipment, wherein digital function ancillary equipment is that digital signal is performed by timer conter etc. The ancillary equipment of operation.
Concrete, when the digital function module of microcontroller is debugged, digital modulation module 200 Performing parameter configuration operation according to the first control signal, wherein, the first control signal is to be configured the numerical value of parameter, Digital modulation module 200 performs parameter configuration operation and is equivalent to the digital function in digital function module peripheral The parameter of equipment configures, and is specifically equivalent to the special function register of configuration digital function ancillary equipment Value, such as, when digital function ancillary equipment is timer conter, parameter configuration operation can be configuration cycle The value of depositor or the value of configuration control register.Digital modulation module 200 performs according to the first debugging signal Function debugging operation is equivalent to the first debugging signal as digital function ancillary equipment defeated in digital function module Entering signal, digital function ancillary equipment normally works, and according to first debugging signal output the first debugging result Signal.When digital function ancillary equipment is timer conter, the first debugging signal is the defeated of timer conter Entering pulse signal, timing comparator carries out counting and export count results (i.e. first according to input pulse signal Debugging consequential signal).
Concrete, the analog functional module 400 of microcontroller includes microcontroller core, input/output interface Circuit and analog functuion ancillary equipment, wherein analog functuion ancillary equipment is that analogue signal is performed by comparator etc. The ancillary equipment of operation.When the analog functional module 400 of microcontroller is debugged, digital modulation mould Block 200 sends the second input/output interface circuit controlling signal to microcontroller through communication control module 300; Microcontroller core receives the second control signal that input/output interface circuit forwards, and by the second control signal It is forwarded to analog functuion ancillary equipment;Analog functuion ancillary equipment performs parameter configuration according to the second control signal Operation, and the second debugging signal inputted according to the first function input/output terminal of input/output interface circuit Execution function debugging operates, and by second function input/output terminal output the second tune of input/output interface circuit Test result signal.
The most concrete, when the analog functional module 400 of microcontroller is debugged, analog functuion Module 400 performs parameter configuration operation according to the second control signal, and wherein, the second control signal is for being configured The numerical value of parameter, parameter configuration operation refers to the analog functuion ancillary equipment in analog functional module 400 Parameter configures, specially the value of the special function register of configuration analog functuion ancillary equipment, such as, When analog functuion ancillary equipment is comparator, parameter configuration operation can be that the value controlling depositor is compared in configuration Or configuration manner of comparison controls the value of depositor.Analog functional module 400 performs merit according to the second debugging signal Energy debugging operations is particularly as follows: the second debugging signal sets as the analog functuion periphery in analog functional module 400 Standby input signal, analog functuion ancillary equipment normally works, and according to second debugging signal output the second tune Test result signal.When analog functuion ancillary equipment is comparator, the second debugging signal is the input of comparator Signal, comparator is comparator according to the second debugging signal execution function debugging operation to be carried out input signal Relatively and produce comparative result (i.e. second debugging consequential signal).
Concrete, debugging interface control module 100, digital modulation module 200 and communication control module 300 Realize based on FPGA.Wherein, debugging interface control module 100 is debugged by serial Interface communicates with host computer, can receive the debugging instruction that host computer sends, it is possible to by the reality of microcontroller Time running state information be back to host computer;Communication control module 300 is serial communication interface, adjusts with numeral Analog functional module 400 in die trial block 200 and microcontroller communicates, in the simulation with microcontroller When functional module 400 communicates, communication control module 300 is as communication slave, the analog functuion of microcontroller Module 400 initiates communication request as the microcontroller core in communication main side, i.e. analog functional module 400, Communication control module 300 responds communication request.
As this utility model one embodiment, as in figure 2 it is shown, digital modulation module 200 includes control unit 201, digital peripherals unit 202 and interface unit 203.
The control end that control end is digital modulation module 200 of control unit 201, the letter of control unit 201 Number end is connected with the signal end of digital peripherals unit 202, the first input and output of digital peripherals unit 202 End with the second input/output terminal respectively with interface unit 203 first be connected end and second connection end be connected, The data terminal of digital peripherals unit 202 is the data terminal of digital modulation module 200, the of interface unit 203 One function input/output terminal and the second function input/output terminal are respectively the first function of digital modulation module 200 Input/output terminal and the second function input/output terminal.
Concrete, the 26S Proteasome Structure and Function of control unit 201 is identical with the 26S Proteasome Structure and Function of microcontroller core; Digital peripherals unit 202 is identical with the digital function ancillary equipment of corresponding function in microcontroller, wherein, micro- Digital function ancillary equipment in controller includes that the periphery that digital signal is performed to operate by timer conter etc. sets Standby;Interface unit 203 is identical with the input/output interface circuit in microcontroller.
Concrete, when the digital function module of microcontroller is debugged, debugging interface control module 100 Controlling signal to control unit 201 according to debugging instruction output first, control unit 201 forwards the first control Signal performs parameter configuration to digital peripherals unit 202, digital peripherals unit 202 according to the first control signal Operation.Wherein, the first control signal is to be configured the numerical value of parameter, outside parameter configuration operation refers to numeral If the parameter of unit 202 configures, it is specially the special function register configuring digital peripherals unit 202 Value, such as, when digital peripherals unit 202 is timer conter, parameter configuration operation can be that configuration is all The value of phase depositor or the value of configuration control register.Digital modulation module 200 is held according to the first debugging signal The operation of row function debugging is particularly as follows: the first debugging signal is as digital peripherals unit in digital modulation module 200 The input signal of 202, digital peripherals unit 202 normally works, and according to the first debugging signal output first Debugging consequential signal.When digital peripherals unit 202 is timer conter, the first debugging signal is timing ga(u)ge The input pulse signal of number device, timing comparator carries out counting and exporting count results according to input pulse signal (the i.e. first debugging consequential signal).
As this utility model one embodiment, as it is shown on figure 3, debugger provided by the utility model also wraps Include interface duplex unit 500.
Multiple multiplexing ends of interface duplex unit 500 respectively with the first input/output terminal of interface unit 203, Second input/output terminal of interface unit 203, the first function input/output terminal of analog functional module 400 and Second function input/output terminal of analog functional module 400 is connected, the control end of interface duplex unit 500 It is connected with the control end of digital peripherals unit 202.
The control signal that interface duplex unit 500 exports according to digital peripherals unit 202 is by interface unit 203 The first input/output terminal and the second input/output terminal be chosen to be respectively interface duplex unit 500 first input Outfan and the second input/output terminal, or interface duplex unit 500 exports according to digital peripherals unit 202 Control signal by the first function input/output terminal of analog functional module 400 and the second function input/output terminal It is chosen to be the first input/output terminal and second input/output terminal of multiplexed inter 203 respectively.
Concrete, the first input/output terminal of interface unit 203 and the second input/output terminal are interface unit 203 Common input/output terminal, not and other function input/output terminal multiplexings.When the digital merit to microcontroller When energy module is debugged, digital peripherals unit 202 exports control signal with by the first of interface unit 203 Input/output terminal and the second input/output terminal are chosen to be the first input/output terminal of interface duplex unit 500 respectively With the second input/output terminal;When the analog functional module 400 of microcontroller is debugged, digital peripherals Unit 202 exports control signal with by the first function input/output terminal of analog functional module 400 and the second merit Energy input/output terminal is chosen to be the first input/output terminal and second input and output of multiplexed inter 203 respectively End.
Concrete, as it is shown on figure 3, interface duplex unit 500 is MUX Q1.
Concrete, as shown in Figure 4, interface duplex unit 500 includes MUX Q1, the first current limliting electricity Resistance R1, the second current-limiting resistance R2, pull-up resistor R3, pull down resistor R4, the first switch S1, second open Close S2.
Multiple multiplexing ends, the first input/output terminal and second input/output terminal of MUX Q1 is respectively Multiple multiplexing ends, the first input/output terminal and second input/output terminal of interface duplex unit 500, multichannel is selected Select the control end of device Q1, the control end controlling end and second switch S2 of the first switch S1 connects formation altogether and connects The control end of mouth Multiplexing Unit 500, first end of the first current-limiting resistance R1 and the first of interface unit 203 Input/output terminal is connected, and first end of the second current-limiting resistance R2 is defeated with the second of interface unit 203 the input Go out end to be connected, second end of the first current-limiting resistance R1, second end of the second current-limiting resistance R2, first open First end of the first end and second switch S2 that close S1 connects altogether, and second end of the first switch S1 is by pull-up Resistance R1 is connected with power supply VCC, and second end of second switch S2 is connected to the ground by pull down resistor R4 Connect.
Concrete, when the analog functional module 400 of microcontroller is debugged with to microcontroller number When word functional module is debugged, digital peripherals unit 202 exports control signal so that the first switch S1 closes Or make second switch S2 close, even if the first input/output terminal of interface unit 203 and the second input/output terminal It is simultaneously connected with pull-up resistor R3 or is simultaneously connected with pull down resistor R4.
In this utility model, debugger includes debugging interface control module, digital modulation module and Control on Communication Module, wherein digital modulation module is identical with the structure of the digital function module of microcontroller, to digital modulation Obtained by module carries out debugging obtained debugging result and the digital function module of microcontroller is carried out debugging Debugging result identical, communication control module communicates with the analog functional module in microcontroller, can be real Now to the debugging of analog functional module in microcontroller.Therefore, this debugger is used can to realize microcontroller Middle digital function module and the debugging of analog functional module, owing to this debugger is positioned at outside microcontroller, because of This will not increase the area of microcontroller chip.Therefore, use this debugger to achieve and do not increase microcontroller On the premise of device chip area, microcontroller analog functional module and digital function module are debugged.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, All any amendment, equivalent and improvement etc. made within spirit of the present utility model and principle, all should Within being included in protection domain of the present utility model.

Claims (6)

1. for a debugger for microcontroller, including debugging interface control module, described debugging interface control The debugging instruction that molding block is sent for receiving host computer, it is characterised in that described debugger also includes number Word debugging module and communication control module;
Described digital modulation module is identical with the structure of the digital function module of described microcontroller, the logarithm tone of Chinese characters Die trial block carries out debugging obtained debugging result and debugs with to the digital function module of described microcontroller Obtained debugging result is identical;The control end of described debugging interface control module and described digital modulation module Control end be connected, the data terminal of described digital modulation module and the data terminal phase of described communication control module Connecting, the first function input/output terminal of described digital modulation module accesses the first debugging signal, described communication The communication ends of control module is connected with the input/output terminal of the analog functional module of described microcontroller;
When the digital function module of described microcontroller is debugged, described debugging interface control module root Described digital modulation module is controlled signal to according to described debugging instruction output first;Described digital modulation module root Perform parameter configuration operation according to described first control signal, and perform function tune according to described first debugging signal Examination operation, and by second function input/output terminal output the first debugging consequential signal of described digital modulation module;
When the analog functional module of described microcontroller is debugged, described debugging interface control module root Described digital modulation module, described digital modulation module warp is controlled signal to according to described debugging instruction output second Described communication control module forwards the described second analog functional module controlling signal to described microcontroller, institute State analog functional module and perform parameter configuration operation according to described second control signal, and according to described simulation merit The second debugging signal that first function input/output terminal of energy module is inputted performs function debugging and operates, and by Second function input/output terminal output the second debugging consequential signal of described analog functional module.
2. debugger as claimed in claim 1, it is characterised in that described digital modulation module includes controlling Unit, digital peripherals unit and interface unit;
The control end that control end is described digital modulation module of described control unit, the letter of described control unit Number end is connected with the signal end of described digital peripherals unit, the first input and output of described digital peripherals unit End with the second input/output terminal respectively with described interface unit first be connected end and second connection end be connected, The data terminal of described digital peripherals unit is the data terminal of described digital modulation module, the of described interface unit One function input/output terminal and the second function input/output terminal are respectively the first function of described digital modulation module Input/output terminal and the second function input/output terminal.
3. debugger as claimed in claim 2, it is characterised in that described debugger also includes interface duplex Unit;
Multiple multiplexing ends of described interface duplex unit respectively with the first input/output terminal of described interface unit, Second input/output terminal of described interface unit, the first function input/output terminal of described analog functional module and Second function input/output terminal of described analog functional module is connected, the control end of described interface duplex unit It is connected with the control end of described digital peripherals unit;
The control signal that described interface duplex unit exports according to described digital peripherals unit is by described interface unit The first input/output terminal and the second input/output terminal be chosen to be respectively described interface duplex unit first input Outfan and the second input/output terminal, or described interface duplex unit exports according to described digital peripherals unit Control signal by the first function input/output terminal of described analog functional module and the second function input/output terminal It is chosen to be the first input/output terminal and second input/output terminal of described multiplexed inter respectively.
4. debugger as claimed in claim 1, it is characterised in that described debugging interface control module, institute State digital modulation module and described communication control module to realize based on FPGA.
5. debugger as claimed in claim 3, it is characterised in that described interface duplex unit is multichannel choosing Select device.
6. debugger as claimed in claim 3, it is characterised in that described interface duplex unit includes multichannel Selector, the first current-limiting resistance, the second current-limiting resistance, pull-up resistor, pull down resistor, the first switch, the Two switches;
Multiple multiplexing ends, the first input/output terminal and second input/output terminal of described MUX is respectively Multiple multiplexing ends, the first input/output terminal and second input/output terminal of described interface duplex unit is described many Control end, the described control end of the first switch and the control end of described second switch of road selector connect formation altogether The control end of described interface duplex unit, the of the first end of described first current-limiting resistance and described interface unit One input/output terminal is connected, and the first end of described second current-limiting resistance inputs with the second of described interface unit Outfan is connected, the second end of described first current-limiting resistance, the second end of described second current-limiting resistance, institute First end of the first end and described second switch of stating the first switch connects altogether, and the second end of described first switch leads to Crossing described pull-up resistor to be connected with power supply, the second end of described second switch is by described pull down resistor and ground It is connected.
CN201620349766.5U 2016-04-22 2016-04-22 A debugging for microcontroller Active CN205594621U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113626274A (en) * 2021-10-11 2021-11-09 灵动集成电路南京有限公司 Interface for realizing hardware debugging and method for realizing debugging of microcontroller

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113626274A (en) * 2021-10-11 2021-11-09 灵动集成电路南京有限公司 Interface for realizing hardware debugging and method for realizing debugging of microcontroller
CN113626274B (en) * 2021-10-11 2022-01-04 灵动集成电路南京有限公司 Interface for realizing hardware debugging and method for realizing debugging of microcontroller

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