CN106569972B - USB interface-based JTAG single-chip microcontroller is wireless emulator and method - Google Patents
USB interface-based JTAG single-chip microcontroller is wireless emulator and method Download PDFInfo
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- CN106569972B CN106569972B CN201610995896.0A CN201610995896A CN106569972B CN 106569972 B CN106569972 B CN 106569972B CN 201610995896 A CN201610995896 A CN 201610995896A CN 106569972 B CN106569972 B CN 106569972B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/382—Information transfer, e.g. on bus using universal interface adapter
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/08—Protocols for interworking; Protocol conversion
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Abstract
The present invention relates to the wireless emulator of USB interface-based JTAG single-chip microcontroller and methods.The USB interface-based wireless emulator of JTAG single-chip microcontroller includes wireless emulator debugging end and wireless emulator target side.The USB interface-based wireless emulation mode of JTAG single-chip microcontroller includes 1 initialization UART/UART information exchange controller；2 initialization timers；3 prohibit fixed cycle operator；4 initialization UART0 interfaces；5 initialization UART1 interfaces；The selection of 6 functions；7 receive debug command；8 resetting timing constants；9 go to step 6；If 10, which allow to send data, goes to step 11；Otherwise 6 are gone to step；11 send data；If 12 are sent completely and go to step 13；Otherwise 6 are gone to step；13, which remove UART0, sends mark；14 go to step 6；15 setting UART0 send mark；16 prohibit fixed cycle operator；17 go to step 6；18 receive data；19 forwarding data；20 go to step 6.
Description
Technical field
The present invention relates to singlechip emulator, in particular to USB interface-based JTAG single-chip microcontroller is wireless emulator and side
Method.
Background technique
With the development of singlechip technology and robot technology, SCM Based robot control system is answered extensively
With the exploitation of SCM program is particularly important, and debugging is then essential link in program development process.
Due to the finiteness of mcu resource, developer can not edit and debug monolithic directly on single-chip computer control system
Machine program, this just determines that exploitation SCM program can only use cross-development mode.So-called cross-development mode is single-chip microcontroller
The Integrated Development Environment of program operates on the general purpose computer of rich hardware resource, commonly referred to as debugging host, single-chip microcontroller
The processes such as editor, compiling, connection, downloading, the debugging of program are completed on debugging computer；And SCM program is most
Whole operation platform is the single-chip microcontroller for having very big difference with debugging computer.
As shown in Figure 1, the cross development system (CDS) of one SCM program is by a general purpose computer system from hardware
System, a protocol conversion single-chip microcontroller and a single-chip computer control system composition；From software, the intersection of a SCM program
Development system includes the SCM program Integrated Development Environment operated on general-purpose computing system, runs on emulator monolithic
The UART/JTAG protocol convertor of machine and the control program for running on single-chip microcontroller.
Emulator is an indispensable tool in single-chip computer control system.Single-chip computer control system exploitation, especially
System starts the exploitation debugging of code or plate grade FLASH programming, typically based on development frame as shown in Figure 1.And collect
Development environment mainly include Program Manager, program editor, cross-compiler, cross-connect, Techniques of Cross Debugger and
The exploitation of some other intersection utilities etc., Integrated Development Environment occupies the major part of development cost and time.
Existing goods shelf products emulator almost all is wired connection, wherein occupying the goods shelf products of the overwhelming majority is again
USB interface-based JTAG wired emulator uses this JTAG when debugging the program of mobile robot single-chip computer control system
Emulator seems sometimes to be inconvenient.It is a kind of effective solution scheme using emulator is wirelessly connected, while wishes to retain again
The replacement convenience of the same ease of use of JTAG emulator and protocol convertor at present.So-called ease of use refers to
Still the SCM program Integrated Development Environment that can be provided using emulator production firm or third party manufacturer；And so-called association
The replacement convenience of view conversion program refer to it is the same required protocol convertor can be replaced with download online, to adapt to not
The program debugging of the single-chip computer control system of same type and model needs.
According to product introduction, scientific and technical literature and the Application Data retrieved, wherein representative emulator and method
Include:
Paper that Xi'an University of Posts & Telecommunications delivers " USB interface is wireless emulator --- hardware module development ", as shown in Fig. 2,
Using the MSP430 of TI company as main control chip, using radio frequency as communication mode, realizes a set of usb protocol and go to JTAG association
The wireless analogue system of view, can support the debugging and downloading of the program of all LM3S Series MCUs.
As shown in figure 3, a kind of patent of invention " single-chip microcontroller based on WiFi technology the is wireless artificial debugging of University Of Suzhou's application
System " (application number: 201310442259.7) discloses a kind of wireless emulation debugging system of the single-chip microcontroller based on WiFi technology, mesh
Be when small-sized unmanned aircraft flight, user can be used PC machine to the single-chip microcontroller on small-sized unmanned aircraft into
Row artificial debugging.I.e. singlechip emulator can be detached from computer, independently be placed on debugged apparatus；User is led in PC machine
The mode for crossing WiFi wireless communication, to just as the single-chip microcontroller that small-sized unmanned aircraft flies is emulated and debugged.
But the wireless emulator of USB interface currently on the market has the following disadvantages:
1, third party's Integrated Development Environment is not supported；
2, in the description of the prior art all not about third party provide SCM program Integrated Development Environment in terms of
Content.Infer compared with Fig. 2, Fig. 3 from Fig. 1, since the hot pluggability of USB device makes the prior art not support third
The Integrated Development Environment of side.And write such Integrated Development Environment software need the cost spent and time occupy exploitation one it is imitative
The totle drilling cost and the major part of time spent needed for true device；
3, the online replacement of JTAG protocol conversion program is not supported
The content in terms of JTAG protocol conversion program all how is not replaced in the description of the prior art.Different company,
The one-chip computer of different series and different model may include different JTAG debugging agreements, and emulator should be different according to debugging
Single-chip microcontroller and store different protocol convertors.It can be seen that emulator should provide the method for replacement protocol convertor
To meet the different demands of different users.Only there is the LM3S series monolithic of TI company statement in the prior art (1) document
Effect, this is for no other reason than that the JTAG protocol for the single-chip microcontroller that LM3S series is released when delivering to document is identical.
Summary of the invention
Goal of the invention: the present invention has made improvements in view of the above-mentioned problems of the prior art, i.e., first mesh of the invention
Be the USB interface-based wireless emulator of JTAG single-chip microcontroller is disclosed.Second object of the present invention is open based on USB
The wireless emulation mode of JTAG single-chip microcontroller of interface.
Technical solution: the USB interface-based wireless emulator of JTAG single-chip microcontroller, including wireless emulator debugging end and wireless
Emulator target side,
Mode with the wireless emulator target side communicates interconnection by wireless communication at wireless emulator debugging end；
The wireless emulator debugging end includes
One usb socket, USB/UART communication switching controller, a UART/WiFi communicate conversion and control
Device and a first WiFi signal filter with antenna,
The USB/UART communication switching controller includes the microcontroller containing USB interface and UART interface,
The UART/WiFi communication switching controller includes the microcontroller containing UART interface and RF interface,
The usb socket communicates interconnection, the usb socket and institute with debugging computer by USB cable
The USB read-write interface communication interconnection for the USB/UART communication switching controller stated,
The UART interface of the USB/UART communication switching controller communicates switching controller with the UART/WiFi
UART interface communicate interconnection, the RF interface of the described UART/WiFi communication switching controller and first WiFi signal
Filter communication interconnection,
The wireless emulator target side includes the second WiFi signal filter with antenna, a WiFi/
UART communicate switching controller, a UART/UART information exchange controller, a UART/JTAG protocol conversion controller and
One JTAG signal socket,
The WiFi/UART communication switching controller includes the microcontroller containing RF interface and UART interface,
The UART/UART information exchange controller includes containing UART0 interface, UART1 interface, timer and number
The microprocessor of input interface,
The UART/JTAG protocol conversion controller includes containing UART interface, digital output interface and numeral input
The microprocessor of output interface,
The RF interface communication that the second WiFi signal filter communicates switching controller with the WiFi/UART is mutual
Connection,
The UART interface and the UART/UART information exchange of the WiFi/UART communication switching controller control
The UART1 interface communication of device interconnects,
The UART0 interface of the UART/UART information exchange controller and the UART/JTAG protocol conversion control
The UART interface of device communicates interconnection, the digital input interface of the UART/UART information exchange controller and the UART/
The digital output interface of JTAG protocol switching controller is connected,
The digital input-output interface of the UART/JTAG protocol conversion controller and the JTAG signal socket are logical
Letter interconnection.
Further, the UART/UART information exchange controller usesMSP430F5418A microcontroller.
Further, the UART/JTAG protocol conversion controller usesMSP430F1612Microcontroller.
Further, the described WiFi/UART communication switching controller is using USR-C322 module and to be set as STA wireless
The client mode of website.
Further, USB/UART communication switching controller is that TUSB3410USB/UART communicates conversion and control
Device.
Further, the described UART/WiFi communication switching controller is using USR-C322 module and to be set as AP wireless
The server mode of access point.
The USB interface-based wireless emulation mode of JTAG single-chip microcontroller, using above-mentioned USB interface-based JTAG single-chip microcontroller without
Line emulator, comprising the following steps:
Step 1: initialization UART/UART information exchange controller enters step 2；
Step 2: the timer of initialization UART/UART information exchange controller enters step 3；
Step 3: forbidding the fixed cycle operator of the timer of UART/UART information exchange controller, enter step 4；
Step 4: the UART0 interface of initialization UART/UART information exchange controller enters step 5；
Step 5: the UART1 interface of initialization UART/UART information exchange controller enters step 6；
Step 6: function selection
If UART1 receives data, 7 are gone to step；
If UART0 needs to send data, 10 are gone to step；
If timer overflows, 15 are gone to step；
If UART0 receives data, 18 are gone to step；
Step 7: receiving and saving debug command and data from debugging computer, enter step 8；
Step 8: resetting the timing constant of timer, reclocking enters step 9；
Step 9: going to step 6；
Step 10: if protocol conversion controller allows information exchange controller to be sent to it data, going to step 11；Otherwise
Go to step 6；
Step 11: sending a byte data to protocol conversion controller, enter step 12；
Step 12: if having sent total data, going to step 13；Otherwise 6 are gone to step；
Step 13: removing UART0 and send mark, enter step 14；
Step 14: going to step 6；
Step 15: setting UART0 sends mark, enters step 16；
Step 16: forbidding the fixed cycle operator of timer, enter step 17；
Step 17: going to step 6；
Step 18: receiving the state and data of the debugged single-chip microcontroller from protocol conversion controller, enter step 19；
Step 19: received data being forwarded to debugging computer by the sending port of UART1, enter step 20；
Step 20: going to step 6.
The utility model has the advantages that the wireless emulator of USB interface-based JTAG single-chip microcontroller disclosed by the invention and method have it is following
The utility model has the advantages that
1, original wired emulator Working mould is remained while realizing that wired emulator is extended to wireless emulator
Formula, the UART interface that at this moment need to only disconnect USB/UART communication switching controller communicate switching controller with UART/WiFi
The communication of UART interface interconnects, and the first UART interface and UART/JTAG agreement for disconnecting UART/UART information exchange controller turn
The communication of the UART interface of changer controller interconnects, and disconnects the digital input interface and UART/ of UART/UART information exchange controller
The communication of the digital output interface of JTAG protocol switching controller interconnects, and the UART of connection USB/UART communication switching controller connects
Mouth and the communication of the UART interface of UART/JTAG protocol conversion controller interconnect, connection USB/UART communication switching controller
The communication of the digital output interface of UART interface and UART/JTAG protocol conversion controller interconnects；
2, third party's Integrated Development Environment is supported completely, and user can grasp the user of wireless emulator without study
Method；
3, the online replacement of JTAG protocol conversion program is supported completely.
Detailed description of the invention
Fig. 1 is the cross development system (CDS) schematic diagram of a control program
Fig. 2 is a kind of structural schematic diagram of existing wireless emulator of USB interface；
Fig. 3 is the structural schematic diagram of another existing wireless emulator of USB interface；
Fig. 4 is the structural schematic diagram of the USB interface-based wireless emulator of JTAG single-chip microcontroller disclosed by the invention；
Fig. 5 is the debugging end structure schematic diagram of the USB interface-based wireless emulator of JTAG single-chip microcontroller disclosed by the invention；
Fig. 6 is the target side structural schematic diagram of the USB interface-based wireless emulator of JTAG single-chip microcontroller disclosed by the invention；
Fig. 7 is the flow chart of the USB interface-based wireless emulation mode of JTAG single-chip microcontroller disclosed by the invention；
Wherein:
100- is wireless, and emulator debugs end 110-USB interface socket
120-USB/UART communicates switching controller
130-UART/WiFi communicates switching controller
140- the first WiFi signal filter
200- is wireless emulator target side 210- the second WiFi signal filter
220-WiFi/UART communicates switching controller
230-UART/UART information exchange controller
240-UART/JTAG protocol conversion controller
250-JTAG signal plug
Specific embodiment:
Detailed description of specific embodiments of the present invention below.
As shown in figures 4-6, the USB interface-based wireless emulator of JTAG single-chip microcontroller, including wireless emulator debug end
100 and wireless emulator target side 200,
Mode with wireless emulator target side 200 communicates interconnection by wireless communication at wireless emulator debugging end 100；
Wireless emulator debugs end 100, including
One usb socket, 110, USB/UART communication switching controllers, 120, UART/WiFi communications turn
Changer controller 130 and a first WiFi signal filter 140 with antenna,
It includes the microcontroller containing USB interface and UART interface that USB/UART, which communicates switching controller 120,
It includes the microcontroller containing UART interface and RF interface that UART/WiFi, which communicates switching controller 130,
Usb socket 110 communicates interconnection, usb socket 110 and USB/ with debugging computer by USB cable
The USB read-write interface that UART communicates switching controller 120 communicates interconnection,
The UART interface of USB/UART communication switching controller 120 communicates the UART of switching controller 130 with UART/WiFi
The RF interface of interface communication interconnection, UART/WiFi communication switching controller 130 communicates mutually with the first WiFi signal filter 140
Connection,
Wireless emulator target side 200 includes 210, WiFi/ of the second WiFi signal filter with antenna
UART communicates the UART/JTAG protocol conversion control of the UART/UART information exchange controller 230, one of switching controller 220, one
Device 240 and a JTAG signal socket 250 processed,
It includes the microcontroller containing RF interface and UART interface that WiFi/UART, which communicates switching controller 220,
UART/UART information exchange controller 230 includes defeated containing UART0 interface, UART1 interface, timer and number
The microprocessor of incoming interface,
UART/JTAG protocol conversion controller 240 includes containing UART interface, digital output interface and digital IO
The microprocessor of interface,
Second WiFi signal filter 210 communicates the RF interface communication interconnection of switching controller 220 with WiFi/UART,
WiFi/UART communicates the UART interface and UART/UART information exchange controller 230 of switching controller 220
The interconnection of UART1 interface communication,
The UART0 interface of UART/UART information exchange controller 230 and UART/JTAG protocol conversion controller 240
UART interface communication interconnection, the digital input interface of UART/UART information exchange controller 230 and UART/JTAG protocol conversion
The digital output interface of controller 240 is connected,
The digital input-output interface of UART/JTAG protocol conversion controller 240 communicates mutually with JTAG signal socket 250
Connection.
Further, UART/UART information exchange controller 230 usesMSP430F5418A microcontroller.
Further, UART/JTAG protocol conversion controller 240 usesMSP430F1612Microcontroller.
Further, WiFi/UART communicates switching controller 220 using USR-C322 module and is set as STA radio station
The client mode of point.
Further, it is that TUSB3410USB/UART communicates switching controller that USB/UART, which communicates switching controller 120,.
Further, UART/WiFi communicates switching controller 130 using USR-C322 module and is set as AP wireless access
The server mode of point.
As shown in fig. 7, the USB interface-based wireless emulation mode of JTAG single-chip microcontroller, using above-mentioned USB interface-based
JTAG single-chip microcontroller is wireless emulator, comprising the following steps:
Step 1: initialization UART/UART information exchange controller 230 enters step 2；
Step 2: the timer of initialization UART/UART information exchange controller 230 enters step 3；
Step 3: forbidding the fixed cycle operator of the timer of UART/UART information exchange controller 230, enter step 4；
Step 4: the UART0 interface of initialization UART/UART information exchange controller 230 enters step 5；
Step 5: the UART1 interface of initialization UART/UART information exchange controller 230 enters step 6；
Step 6: function selection
If UART1 receives data, 7 are gone to step；
If UART0 needs to send data, 10 are gone to step；
If timer overflows, 15 are gone to step；
If UART0 receives data, 18 are gone to step；
Step 7: receiving and saving debug command and data from debugging computer, enter step 8；
Step 8: resetting the timing constant of timer, reclocking enters step 9；
Step 9: going to step 6；
Step 10: if protocol conversion controller allows information exchange controller to be sent to it data, going to step 11；Otherwise
Go to step 6；
Step 11: sending a byte data to protocol conversion controller, enter step 12；
Step 12: if having sent total data, going to step 13；Otherwise 6 are gone to step；
Step 13: removing UART0 and send mark, enter step 14；
Step 14: going to step 6；
Step 15: setting UART0 sends mark, enters step 16；
Step 16: forbidding the fixed cycle operator of timer, enter step 17；
Step 17: going to step 6；
Step 18: receiving the state and data of the debugged single-chip microcontroller from protocol conversion controller, enter step 19；
Step 19: received data being forwarded to debugging computer by the sending port of UART1, enter step 20；
Step 20: going to step 6.
Embodiments of the present invention are elaborated above.But present invention is not limited to the embodiments described above,
Technical field those of ordinary skill within the scope of knowledge, can also do without departing from the purpose of the present invention
Various change out.
Claims (6)
1. the USB interface-based wireless emulator of JTAG single-chip microcontroller, which is characterized in that including wireless emulator debugging end and wirelessly
Emulator target side,
Mode with the wireless emulator target side communicates interconnection by wireless communication at wireless emulator debugging end；
The wireless emulator debugging end includes
One usb socket, USB/UART communication switching controller, a UART/WiFi communication switching controller and
One the first WiFi signal filter with antenna,
The USB/UART communication switching controller includes the microcontroller containing USB interface and UART interface,
The UART/WiFi communication switching controller includes the microcontroller containing UART interface and RF interface,
The usb socket communicates interconnection with debugging computer by USB cable, the usb socket with it is described
The USB read-write interface that USB/UART communicates switching controller communicates interconnection,
The UART interface of the USB/UART communication switching controller communicates switching controller with the UART/WiFi
UART interface communication interconnection, the RF interface of the UART/WiFi communication switching controller and first WiFi signal are filtered
The communication interconnection of wave device,
The wireless emulator target side includes a second WiFi signal filter with antenna, WiFi/UART logical
Letter switching controller, a UART/UART information exchange controller, a UART/JTAG protocol conversion controller and one
JTAG signal socket,
The WiFi/UART communication switching controller includes the microcontroller containing RF interface and UART interface,
The UART/UART information exchange controller includes containing UART0 interface, UART1 interface, timer and numeral input
The microprocessor of interface,
The UART/JTAG protocol conversion controller includes containing UART interface, digital output interface and digital IO
The microprocessor of interface, the UART/JTAG protocol conversion controller use MSP430F1612 microcontroller；
The second WiFi signal filter communicates the RF interface communication interconnection of switching controller with the WiFi/UART,
The UART interface of the WiFi/UART communication switching controller and the UART/UART information exchange controller
The interconnection of UART1 interface communication,
The UART0 interface of the UART/UART information exchange controller and the UART/JTAG protocol conversion controller
UART interface communication interconnection, the digital input interface of the UART/UART information exchange controller and the UART/JTAG
The digital output interface of protocol conversion controller is connected,
The digital input-output interface of the UART/JTAG protocol conversion controller communicates mutually with the JTAG signal socket
Connection.
2. the USB interface-based wireless emulator of JTAG single-chip microcontroller according to claim 1, which is characterized in that described
UART/UART information exchange controller uses MSP430F5418A microcontroller.
3. the USB interface-based wireless emulator of JTAG single-chip microcontroller according to claim 1, which is characterized in that described
WiFi/UART communication switching controller uses USR-C322 module and is set as the client mode of STA wireless site.
4. the USB interface-based wireless emulator of JTAG single-chip microcontroller according to claim 1, which is characterized in that described
It is that TUSB3410USB/UART communicates switching controller that USB/UART, which communicates switching controller,.
5. the USB interface-based wireless emulator of JTAG single-chip microcontroller according to claim 1, which is characterized in that described
UART/WiFi communication switching controller uses USR-C322 module and is set as the server mode of AP wireless access point.
6. the USB interface-based wireless emulation mode of JTAG single-chip microcontroller, using base as claimed in any one of claims 1 to 5, wherein
In the wireless emulator of JTAG single-chip microcontroller of USB interface, which comprises the following steps:
Step 1: initialization UART/UART information exchange controller enters step 2；
Step 2: the timer of initialization UART/UART information exchange controller enters step 3；
Step 3: forbidding the fixed cycle operator of the timer of UART/UART information exchange controller, enter step 4；
Step 4: the UART0 interface of initialization UART/UART information exchange controller enters
Step 5；
Step 5: the UART1 interface of initialization UART/UART information exchange controller enters
Step 6；
Step 6: function selection
If UART1 receives data, 7 are gone to step；
If UART0 needs to send data, 10 are gone to step；
If timer overflows, 15 are gone to step；
If UART0 receives data, 18 are gone to step；
Step 7: receiving and saving debug command and data from debugging computer, enter step 8；
Step 8: resetting the timing constant of timer, reclocking enters step 9；
Step 9: going to step 6；
Step 10: if protocol conversion controller allows information exchange controller to be sent to it data, going to step 11；Otherwise turn to walk
Rapid 6；
Step 11: sending a byte data to protocol conversion controller, enter step 12；
Step 12: if having sent total data, going to step 13；Otherwise 6 are gone to step；
Step 13: removing UART0 and send mark, enter step 14；
Step 14: going to step 6；
Step 15: setting UART0 sends mark, enters step 16；
Step 16: forbidding the fixed cycle operator of timer, enter step 17；
Step 17: going to step 6；
Step 18: receiving the state and data of the debugged single-chip microcontroller from protocol conversion controller, enter step 19；
Step 19: received data being forwarded to debugging computer by the sending port of UART1, enter step 20；
Step 20: going to step 6.
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| CN109508310B (en) * | 2017-09-14 | 2021-10-22 | 北京忆芯科技有限公司 | Virtual UART |
| CN109684247A (en) * | 2018-12-24 | 2019-04-26 | 郑州云海信息技术有限公司 | Wireless serial device and its design, application method and the server using the device |
| CN114442506A (en) * | 2021-12-06 | 2022-05-06 | 埃夫特智能装备股份有限公司 | Simulation debugging platform based on virtual robot controller and debugging method thereof |
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