CN114035472A - Method and terminal for on-line programming of embedded programmable controller by CAN bus - Google Patents

Method and terminal for on-line programming of embedded programmable controller by CAN bus Download PDF

Info

Publication number
CN114035472A
CN114035472A CN202111318819.9A CN202111318819A CN114035472A CN 114035472 A CN114035472 A CN 114035472A CN 202111318819 A CN202111318819 A CN 202111318819A CN 114035472 A CN114035472 A CN 114035472A
Authority
CN
China
Prior art keywords
programming
bus
data
jtag interface
control circuit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202111318819.9A
Other languages
Chinese (zh)
Inventor
罗贤全
王苹
单成进
林梅燕
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yango University
Original Assignee
Yango University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yango University filed Critical Yango University
Priority to CN202111318819.9A priority Critical patent/CN114035472A/en
Publication of CN114035472A publication Critical patent/CN114035472A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • 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
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
    • G05B19/0423—Input/output
    • 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
    • G05B2219/25—Pc structure of the system
    • G05B2219/25032—CAN, canbus, controller area network bus
    • 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
    • G05B2219/25—Pc structure of the system
    • G05B2219/25257—Microcontroller
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40—Bus networks
    • H04L2012/40208—Bus networks characterized by the use of a particular bus standard
    • H04L2012/40215—Controller Area Network CAN

Abstract

The invention discloses a method and a terminal for programming an embedded programmable controller on line by a CAN bus, which comprises the following steps: s1, receiving a CAN programming data packet transmitted on the CAN bus, and analyzing to obtain a programming file; s2, writing time sequence data and programming data corresponding to the JTAG interface according to the programming file; and S3, outputting corresponding clock signals and data signals to the JTAG interface according to the time sequence data and the programming data. Therefore, the invention CAN program the CAN programming data packet transmitted on the CAN into the clock signal and the data signal which accord with the strict time sequence requirement of the JTAG interface after analyzing the CAN programming data packet by arranging the on-line programming terminals of the CAN bus and the JTAG bus, so that a user CAN directly program the embedded programmable controller of the JTAG interface of each CAN device through the CAN bus without going to the field to connect the JTAG interfaces of each CAN device one by one, and the invention has the advantages of quick and portable networking, low cost and flexible use.

Description

Method and terminal for on-line programming of embedded programmable controller by CAN bus
Technical Field
The invention relates to the field of embedded technology, in particular to a method and a terminal for programming an embedded programmable controller on line by a CAN bus.
Background
The CAN bus equipment is widely applied in the fields of industry and the like, the equipment is distributed in a scattered manner and mostly uses embedded programmable controllers, but the programming interfaces of the embedded programmable controllers are mostly carried out by JTAG interfaces, so that when firmware data in the CAN bus equipment is updated, a circuit board needs to come to the site and be disassembled, and the circuit board communicates with the embedded programmable controllers in the equipment through the JTAG interfaces, so that the firmware data in the equipment is programmed on line, and the equipment is inconvenient and tedious.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the method and the terminal for the on-line programming of the embedded programmable controller by the CAN bus CAN directly perform the on-line programming on the embedded programmable controller by the CAN bus.
In order to solve the technical problems, the invention adopts a technical scheme that: a method for programming an embedded programmable controller on line by a CAN bus comprises the following steps:
s1, receiving a CAN programming data packet transmitted on the CAN bus, and analyzing to obtain a programming file;
s2, writing time sequence data and programming data corresponding to the JTAG interface according to the programming file;
and S3, outputting corresponding clock signals and data signals to the JTAG interface according to the time sequence data and the programming data.
In order to solve the technical problem, the invention adopts another technical scheme as follows: a terminal for programming an embedded programmable controller on line by a CAN bus comprises a CAN bus interface, an FPGA main control circuit and a JTAG interface, wherein the FPGA main control circuit is electrically connected with the CAN bus interface and the JTAG interface, the FPGA main control circuit comprises a computer program which is stored on an FAGA main control circuit and CAN run on the FPGA main control circuit, and the FPGA main control circuit realizes the following steps when executing the computer program:
s1, receiving a CAN programming data packet transmitted on the CAN bus, and analyzing to obtain a programming file;
s2, writing time sequence data and programming data corresponding to the JTAG interface according to the programming file;
and S3, outputting corresponding clock signals and data signals to the JTAG interface according to the time sequence data and the programming data.
The invention has the beneficial effects that: the CAN programming data packet transmitted on the CAN is analyzed and programmed into a clock signal and a data signal which accord with the strict time sequence requirement of a JTAG interface by arranging the protocol converters of the CAN bus and the JTAG bus, so that a user CAN directly program the embedded programmable controller of the JTAG interface of each CAN device through the CAN bus without connecting the JTAG interfaces of each CAN device one by one on site, and the CAN bus-based programmable controller networking system has the advantages of quickness and portability in networking, low cost and flexibility in use.
Drawings
Fig. 1 is a schematic flowchart of a method for programming an embedded programmable controller on line by a CAN bus according to an embodiment of the present invention;
fig. 2 is a block diagram of a terminal for programming an embedded programmable controller on line by a CAN bus according to an embodiment of the present invention;
FIG. 3 is a schematic circuit diagram of a CAN bus interface according to an embodiment of the present invention;
fig. 4 is a schematic circuit diagram of a transceiver isolation circuit of a CAN bus transceiver circuit according to an embodiment of the present invention;
fig. 5 is a schematic diagram of a CAN bus data controller circuit of the CAN bus transceiver circuit according to the embodiment of the present invention;
fig. 6 is a circuit diagram of a main control chip of the main control circuit according to an embodiment of the present invention;
fig. 7 is a circuit diagram of a crystal oscillator circuit of the master control circuit according to an embodiment of the present invention;
fig. 8 is a circuit diagram of a power-on reset chip of the main control circuit according to an embodiment of the present invention;
FIG. 9 is a circuit diagram of a JTAG interface chip of a JTAG interface conversion circuit according to an embodiment of the present invention;
fig. 10 is a circuit diagram of a JTAG interface of the JTAG interface conversion circuit according to an embodiment of the present invention.
Detailed Description
In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1, an embodiment of the present invention provides a method for online programming of an embedded programmable controller by a CAN bus, including the following steps:
s1, receiving a CAN programming data packet transmitted on the CAN bus, and analyzing to obtain a programming file;
s2, writing time sequence data and programming data corresponding to the JTAG interface according to the programming file;
and S3, outputting corresponding clock signals and data signals to the JTAG interface according to the time sequence data and the programming data.
It CAN be known from the above description that, by setting the on-line programming terminals of the CAN bus and the JTAG bus, the CAN programming data packet transmitted on the CAN is analyzed and programmed into the clock signal and the data signal which meet the strict time sequence requirement of the JTAG interface, so that the user CAN directly program the embedded programmable controller of the JTAG interface of each CAN device through the CAN bus without going to the field to connect the JTAG interface of each CAN device one by one, and the method has the advantages of fast and portable networking, low cost and flexible use.
Further, the step S1 specifically includes:
and receiving a plurality of CAN data blocks for many times, and recombining the CAN data blocks into a CAN programming data packet.
As CAN be seen from the above description, for a larger programming file, the CAN bus is sent for multiple times, and the programming terminal is recombined after receiving for multiple times, so that the receiving and conversion of the programming file of the large file are realized.
Further, the CAN data block includes a sequence identification byte, and the step S1 is to reassemble the CAN data block received on the CAN bus into the CAN programming data packet according to the sequence identification byte.
As CAN be seen from the above description, the CAN programming data packet is formed by sequentially identifying the byte-arranged CAN data blocks, and has the characteristics of easy realization and simple detection and judgment.
Further, the CAN data block includes an end identification byte, and the step S1 specifically includes:
and judging whether the receiving is finished according to the finishing identification byte, and recombining the CAN data block into a CAN programming data packet after judging that the receiving is finished.
As can be seen from the above description, the judgment of the integrity of the programming file can be realized by judging whether the programming file transmitted for multiple times is completely received through the end byte.
Further, still include:
and step S0, when detecting that the CAN bus transmits the CAN programming data packet, cutting off the connection between the JTAG interface and the local programming network.
And step S4, when the programming output of the JTAG interface is finished, establishing the connection between the JTAG interface and the local programming network.
As CAN be seen from the above description, switching of the programming data stream between the CAN network and the local programming network is achieved and preferably from the CAN network.
A terminal for programming an embedded programmable controller on line by a CAN bus comprises a CAN bus interface, an FPGA main control circuit and a JTAG interface, wherein the FPGA main control circuit is electrically connected with the CAN bus interface and the JTAG interface, the FPGA main control circuit comprises a computer program which is stored on an FAGA main control circuit and CAN run on the FPGA main control circuit, and the FPGA main control circuit realizes the following steps when executing the computer program:
s1, receiving a CAN programming data packet transmitted on the CAN bus, and analyzing to obtain a programming file;
s2, writing time sequence data and programming data corresponding to the JTAG interface according to the programming file;
and S3, outputting corresponding clock signals and data signals to the JTAG interface according to the time sequence data and the programming data.
It CAN be known from the above description that, by setting the on-line programming terminals of the CAN bus and the JTAG bus, the CAN programming data packet transmitted on the CAN is analyzed and programmed into the clock signal and the data signal which meet the strict time sequence requirement of the JTAG interface, so that the user CAN directly program the embedded programmable controller of the JTAG interface of each CAN device through the CAN bus without going to the field to connect the JTAG interface of each CAN device one by one, and the method has the advantages of fast and portable networking, low cost and flexible use.
Further, the step S1 specifically includes:
and receiving a plurality of CAN data blocks for many times, and recombining the CAN data blocks into a CAN programming data packet.
As CAN be seen from the above description, for a larger programming file, the CAN bus is sent for multiple times, and the programming terminal is recombined after receiving for multiple times, so that the receiving and conversion of the programming file of the large file are realized.
Further, the CAN data block includes a sequence identification byte, and the step S1 is to reassemble the CAN data block received on the CAN bus into the CAN programming data packet according to the sequence identification byte.
As CAN be seen from the above description, the CAN programming data packet is formed by sequentially identifying the byte-arranged CAN data blocks, and has the characteristics of easy realization and simple detection and judgment.
Further, the CAN data block includes an end identification byte, and the step S1 specifically includes:
and judging whether the receiving is finished according to the finishing identification byte, and recombining the CAN data block into a CAN programming data packet after judging that the receiving is finished.
As can be seen from the above description, the judgment of the integrity of the programming file can be realized by judging whether the programming file transmitted for multiple times is completely received through the end byte.
Furthermore, the system is characterized by further comprising a JTAG interface control and isolation circuit, wherein the JTAG interface control and isolation circuit comprises a circuit selection switch, two selection ends of the circuit selection switch are respectively and electrically connected with the local programming control circuit and the FPGA main control circuit, a public end of the circuit selection switch is electrically connected with the JTAG interface, a control end of the circuit selection switch is electrically connected with the FPGA main control circuit, and the FPGA main control circuit further realizes the following steps when executing a computer program:
and step S0, when detecting that the CAN bus transmits the CAN programming data packet, cutting off the connection between the JTAG interface and the local programming network.
And step S4, when the programming output of the JTAG interface is finished, establishing the connection between the JTAG interface and the local programming network.
As CAN be seen from the above description, switching of the programming data stream between the CAN network and the local programming network is achieved and preferably from the CAN network.
The method and the terminal for the CAN bus to program the embedded programmable controller on line are applied to the embedded programmable controller in the CAN equipment.
Example one
Referring to fig. 1, a method for on-line programming of an embedded programmable controller by a CAN bus according to the present embodiment includes the steps of:
s1, receiving a CAN programming data packet transmitted on the CAN bus, and analyzing to obtain a programming file;
specifically, for a large programming file, an external upper computer divides a CAN programming data packet into a plurality of CAN data blocks, adds a sequence identification byte and an end identification byte on the divided CAN data blocks, and then sequentially transmits the divided CAN data blocks.
And the CAN identifies the transmitted data blocks after receiving for multiple times, identifies the ending data block according to the ending identification byte, and rearranges and restores each data block into a CAN programming data packet according to the sequence identification byte of each data block.
It should be noted that other manners may be used to identify the end and the sequence, such as intelligent analysis and judgment, as long as the segmentation and reassembly of the CAN packet CAN be achieved.
S2, writing time sequence data and programming data corresponding to the JTAG interface according to the programming file;
and writing time sequence data and programming data corresponding to the data flow characteristics of the JTAG according to the complete programming file, so that the time sequence data and the programming data meet the strict time sequence requirement of programming by using a JTAG interface.
And S3, outputting corresponding clock signals and data signals to the JTAG interface according to the time sequence data and the programming data.
And step S0 executed before step S1, wherein the connection of the JTAG interface and the local programming network is cut off when the CAN bus is detected to transmit the CAN programming data packet.
And step S4, executed after step S3, of establishing a connection of the JTAG interface to the local programming network when the programming output to the JTAG interface is completed.
Thereby realizing the selection and switching of the programming data flow between the CAN network and the local programming network, and preferentially coming from the CAN network.
Example two
Referring to fig. 2, the terminal for programming the embedded programmable controller on line by the CAN bus of the embodiment includes a JTAG interface conversion circuit, a JTAG interface control and isolation circuit, an FPGA main control circuit, a CAN bus transceiver circuit, and a CAN bus interface circuit, which are connected in sequence.
The FPGA master control circuit includes a computer program stored in the FAGA master control circuit and operable on the FPGA master control circuit, and the controller implements the steps of the first embodiment when executing the computer program.
The CAN bus interface circuit is shown in fig. 3, and includes a CAN bus interface JP3 for connecting with an external CAN bus to realize connection and transmission with a CAN bus network.
As shown in fig. 4-5, the CAN bus transceiver circuit transmits CAN network serial data, which is transmitted and received by CANH and CANL pins of JP3, to a CAN bus transceiver U6 with a model number TJA1050, so as to drive and transmit network data; and the data of the two paths of receiving and sending are sent to the high-speed optical coupler U4 and the high-speed optical coupler U5, so that the data of the CAN controller is isolated from the data on the bus.
The power conversion module U3 is used for converting the voltage of the external power input into VDD to be output to the CAN bus transceiver and the high-speed optical coupler for power supply.
The diodes D3 and D4 play a role in voltage limiting protection, and the capacitors C9 and C10 are filter capacitors. The model of the CAN bus data controller U2A is SJA1000, and when receiving, the network data sent by the high-speed optical coupler U5 is analyzed by the CAN bus data controller U2A and then converted into parallel data AD 0-AD 6, and the parallel data AD 0-AD 6 are output to the MCU for processing; during sending, the CAN bus data controller U2A converts the parallel data sent by the MCU master chip U1 into a serial bus packet, and sends the serial bus packet to the high speed optical coupler U4 to be sent to the CAN network.
As shown in fig. 6-8, the FPGA master control circuit includes an MCU master control chip U1, an active crystal oscillator, and a power-on reset chip U7, where the MCU master control chip U1 employs a microprocessor W77E58 chip to implement read-write control on the CAN data controller U2A, receive and analyze commands in data sent by the CAN bus data controller U2A, generate corresponding packets for data to be programmed, and send the packets to the JTAG interface conversion circuit, and when the data is sent, send a completion signal to the CAN bus control circuit. Specifically, the active crystal oscillator is OSC11M is an 11M active crystal oscillator, and a clock is supplied to the MCU main control chip U1 for use. The power-on reset chip U7 is a MAX882 chip and generates a power-on reset signal for use by the MCU main control chip U1.
The JTAG interface control and isolation circuit comprises a circuit selection switch, two selection ends of the circuit selection switch are respectively and electrically connected with a local programming control circuit and an FPGA main control circuit, a public end of the circuit selection switch is electrically connected with the JTAG interface, and a control end of the circuit selection switch is electrically connected with the FPGA main control circuit, so that the programming data flow of the JTAG is controlled in the form of the circuit selection switch, the circuit is from a CAN network or the local programming control circuit, the FPGA main control circuit gives out a selection signal, and the circuit CAN also play a role in isolating channels of two parties.
The JTAG interface conversion circuit is shown in FIGS. 9-10, and is mainly composed of a JTAG interface chip U8 with model number ACT8990 and a JTAG interface J3. The U8 receives firmware programming data from the MCU master control chip U1, and the data is converted and then output through a JTAG interface J3, so that online programming is realized. J3 is connected with on-line programmable CAN terminal equipment.
In summary, the method and the terminal for programming the embedded programmable controller on line by the CAN bus provided by the invention enable a user to directly program the embedded programmable controller of the JTAG interface through the CAN bus by setting the protocol converters of the CAN bus and the JTAG bus without going to the field to connect the JTAG interfaces of each CAN device one by one, and adopt the JTAG interface control and isolation circuit to control whether the programming data flow of the JTAG comes from the CAN network or the local programming control circuit in the form of the circuit selection switch, and preferably the CAN network.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.

Claims (10)

1. A method for programming an embedded programmable controller on line by a CAN bus is characterized by comprising the following steps:
s1, receiving a CAN programming data packet transmitted on the CAN bus, and analyzing to obtain a programming file;
s2, writing time sequence data and programming data corresponding to the JTAG interface according to the programming file;
and S3, outputting corresponding clock signals and data signals to the JTAG interface according to the time sequence data and the programming data.
2. The method according to claim 1, wherein the step S1 specifically includes:
and receiving a plurality of CAN data blocks for many times, and recombining the CAN data blocks into a CAN programming data packet.
3. The CAN bus on-line programming method of the embedded programmable controller according to claim 2, wherein the CAN data block comprises sequential identification bytes, and the step S1 is to reassemble the CAN data block received on the CAN bus into the CAN programming data packet according to the sequential identification bytes.
4. The method according to claim 2, wherein the CAN data block includes an end identification byte, and the step S1 specifically includes:
and judging whether the receiving is finished according to the finishing identification byte, and recombining the CAN data block into a CAN programming data packet after judging that the receiving is finished.
5. The method for the on-line programming of the embedded programmable controller by the CAN bus according to claim 1, further comprising:
and step S0, when detecting that the CAN bus transmits the CAN programming data packet, cutting off the connection between the JTAG interface and the local programming network.
And step S4, when the programming output of the JTAG interface is finished, establishing the connection between the JTAG interface and the local programming network.
6. The terminal for the on-line programming of the embedded programmable controller by the CAN bus is characterized by comprising a CAN bus interface, an FPGA main control circuit and a JTAG interface, wherein the FPGA main control circuit is electrically connected with the CAN bus interface and the JTAG interface and comprises a computer program which is stored on an FAGA main control circuit and CAN run on the FPGA main control circuit, and the FPGA main control circuit realizes the following steps when executing the computer program:
s1, receiving a CAN programming data packet transmitted on the CAN bus, and analyzing to obtain a programming file;
s2, writing time sequence data and programming data corresponding to the JTAG interface according to the programming file;
and S3, outputting corresponding clock signals and data signals to the JTAG interface according to the time sequence data and the programming data.
7. The method according to claim 6, wherein the step S1 specifically includes:
and receiving a plurality of CAN data blocks for many times, and recombining the CAN data blocks into a CAN programming data packet.
8. The CAN bus on-line programming method of the embedded programmable controller of claim 7, wherein the CAN data block comprises sequential identification bytes, and the step S1 is to reassemble the CAN data block received on the CAN bus into the CAN programming data packet according to the sequential identification bytes.
9. The method according to claim 7, wherein the CAN data block includes an end identification byte, and the step S1 specifically includes:
and judging whether the receiving is finished according to the finishing identification byte, and recombining the CAN data block into a CAN programming data packet after judging that the receiving is finished.
10. The method for programming the embedded programmable controller on line through the CAN bus according to claim 1, further comprising a JTAG interface control and isolation circuit, wherein the JTAG interface control and isolation circuit comprises a circuit selection switch, two selection terminals of the circuit selection switch are respectively and electrically connected with the local programming control circuit and the FPGA main control circuit, a public terminal of the circuit selection switch is electrically connected with the JTAG interface, a control terminal of the circuit selection switch is electrically connected with the FPGA main control circuit, and the FPGA main control circuit further implements the following steps when executing a computer program:
and step S0, when detecting that the CAN bus transmits the CAN programming data packet, cutting off the connection between the JTAG interface and the local programming network.
And step S4, when the programming output of the JTAG interface is finished, establishing the connection between the JTAG interface and the local programming network.
CN202111318819.9A 2021-11-09 2021-11-09 Method and terminal for on-line programming of embedded programmable controller by CAN bus Pending CN114035472A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111318819.9A CN114035472A (en) 2021-11-09 2021-11-09 Method and terminal for on-line programming of embedded programmable controller by CAN bus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111318819.9A CN114035472A (en) 2021-11-09 2021-11-09 Method and terminal for on-line programming of embedded programmable controller by CAN bus

Publications (1)

Publication Number Publication Date
CN114035472A true CN114035472A (en) 2022-02-11

Family

ID=80143521

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111318819.9A Pending CN114035472A (en) 2021-11-09 2021-11-09 Method and terminal for on-line programming of embedded programmable controller by CAN bus

Country Status (1)

Country Link
CN (1) CN114035472A (en)

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2176135A1 (en) * 1994-09-13 1996-03-21 Robert E. Riley Data link module for time division multiplexing control systems
US5640107A (en) * 1995-10-24 1997-06-17 Northrop Grumman Corporation Method for in-circuit programming of a field-programmable gate array configuration memory
CN101196557A (en) * 2007-12-18 2008-06-11 上海华为技术有限公司 Method, device and system for field programmable gate array test
CN101315812A (en) * 2008-03-20 2008-12-03 上海交通大学 FLASH memory on-line programming method based on parallel port
CN101493770A (en) * 2008-01-23 2009-07-29 中兴通讯股份有限公司 Method for remote downloading erasable programming logic device EPLD
CN102496523A (en) * 2011-12-09 2012-06-13 贵州航天电器股份有限公司 Programmable driving circuit for delay relay
CN103838588A (en) * 2012-11-20 2014-06-04 广州市暨华医疗器械有限公司 Method for conducting online program updating on AT90 single-chip microcomputer through CAN interface
CN204037488U (en) * 2014-06-30 2014-12-24 苏州南斗专利服务有限公司 A kind of colliery dumping car system based on CAN network
CN105550119A (en) * 2016-01-29 2016-05-04 中国人民解放军国防科学技术大学 Simulation device based on JTAG protocol
CN106020869A (en) * 2016-05-09 2016-10-12 广州康盛生物科技有限公司 Method for selective burning of programs of multiple single-chip microcomputer nodes based on CAN (Controller Area Network) bus
CN107122304A (en) * 2017-05-03 2017-09-01 成都定为电子技术有限公司 A kind of JTAG remote debugging methods
US9817066B1 (en) * 2014-08-26 2017-11-14 Xilinx, Inc. Configurable JTAG-to-serial bus translator
CN216526802U (en) * 2021-11-09 2022-05-13 阳光学院 Equipment for realizing on-line programming of CAN bus to embedded programmable controller

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2176135A1 (en) * 1994-09-13 1996-03-21 Robert E. Riley Data link module for time division multiplexing control systems
US5640107A (en) * 1995-10-24 1997-06-17 Northrop Grumman Corporation Method for in-circuit programming of a field-programmable gate array configuration memory
CN101196557A (en) * 2007-12-18 2008-06-11 上海华为技术有限公司 Method, device and system for field programmable gate array test
CN101493770A (en) * 2008-01-23 2009-07-29 中兴通讯股份有限公司 Method for remote downloading erasable programming logic device EPLD
CN101315812A (en) * 2008-03-20 2008-12-03 上海交通大学 FLASH memory on-line programming method based on parallel port
CN102496523A (en) * 2011-12-09 2012-06-13 贵州航天电器股份有限公司 Programmable driving circuit for delay relay
CN103838588A (en) * 2012-11-20 2014-06-04 广州市暨华医疗器械有限公司 Method for conducting online program updating on AT90 single-chip microcomputer through CAN interface
CN204037488U (en) * 2014-06-30 2014-12-24 苏州南斗专利服务有限公司 A kind of colliery dumping car system based on CAN network
US9817066B1 (en) * 2014-08-26 2017-11-14 Xilinx, Inc. Configurable JTAG-to-serial bus translator
CN105550119A (en) * 2016-01-29 2016-05-04 中国人民解放军国防科学技术大学 Simulation device based on JTAG protocol
CN106020869A (en) * 2016-05-09 2016-10-12 广州康盛生物科技有限公司 Method for selective burning of programs of multiple single-chip microcomputer nodes based on CAN (Controller Area Network) bus
CN107122304A (en) * 2017-05-03 2017-09-01 成都定为电子技术有限公司 A kind of JTAG remote debugging methods
CN216526802U (en) * 2021-11-09 2022-05-13 阳光学院 Equipment for realizing on-line programming of CAN bus to embedded programmable controller

Non-Patent Citations (14)

* Cited by examiner, † Cited by third party
Title
ANTON TSERTOV 等: "On in-system programming of non-volatile memories", PROCEEDINGS OF THE 20TH INTERNATIONAL CONFERENCE MIXED DESIGN OF INTEGRATED CIRCUITS AND SYSTEMS - MIXDES 2013, vol. 1 *
万垚 等: "一种基于FPGA的在线升级方案", 成都信息工程大学学报 *
刘铁: "基于CAN总线实现DSP程序的在线升级", 纺织机械 *
宋益东;: "基于CAN总线的矿用传感器远程在线升级功能设计", 煤矿安全, no. 08 *
徐晓康;邵俊波;赵晓宇;邱长青;: "基于Cyclone Ⅳ的单核FPGA远程更新系统设计", 船电技术, no. 02 *
方成;李建秋;周明;欧阳明高;: "基于现场总线的MPC5xx系列单片机Flash在线编程技术", 电子技术应用, no. 12 *
深藏功名丿小志: "单片机三种烧录方式ICP、IAP和ISP详解", Retrieved from the Internet <URL:https://zhuanlan.zhihu.com/p/69237591> *
王海滨;徐贵力;: "基于JTAG接口的配置主控器的设计", 仪器仪表用户, no. 02 *
罗成娥;任海强;: "基于CAN总线的在线升级系统设计与实现", 数字通信, no. 06 *
罗显光;朱跃欧;李振;赖重平;: "基于CAN总线的悬浮控制器在线程序优化的实现", 电力机车与城轨车辆, no. 03 *
罗欣, 刘震: "TMS320F28x DSP片内Flash的在线编程技术", 仪表技术与传感器, no. 07 *
虞致国;魏敬和;: "基于USB接口的ARM嵌入式仿真器的设计", 电子器件, no. 04 *
陈硕: "基于USB和JTAG接口的DSP在线调试系统实现", 中国优秀硕士学位论文全文数据库 信息科技辑 *
龚行梁 等: "CAN总线实现的ZYNQ-7000程序在线升级方法", 单片机与嵌入式系统应用 *

Similar Documents

Publication Publication Date Title
CN103248526A (en) Communication equipment and method for achieving out-of-band monitoring and management, and master-slave switching method
CN101839790A (en) Intelligent on-line calibration system
CN104866423A (en) Software configuration item test method and system
CN109634256B (en) Board level verification system of general CAN controller chip
CN104102160B (en) Controller area network (CAN) bus signal transceiving analysis tool
CN107065668A (en) Industrial gateway remote data monitoring system and method based on intelligent sensor device
CN102929277A (en) Universal test tool for autobody electronic unit and working method thereof
CN106713325A (en) Communication protocol conversion card
CN113347273B (en) Vehicle-mounted Ethernet data conversion method, device, equipment and medium
CN204576492U (en) A kind of proving installation of software configuration item
CN216526802U (en) Equipment for realizing on-line programming of CAN bus to embedded programmable controller
CN114035472A (en) Method and terminal for on-line programming of embedded programmable controller by CAN bus
CN103034206A (en) Industrial data collection system adopting late binding communication plug-in unit
CN108132898A (en) Multiplex communication control method and communication box
CN110399255A (en) A kind of debugging system of FPGA system and FPGA system
CN108391245A (en) Plug and play type wireless sensor network node
CN113448448A (en) KVM control method, switching control method and system
CN104022933A (en) Vehicle bus debugging system based on multi-mode signal conversion
CN108363322B (en) Engineering machinery control module, work machine control system and method
CN202995424U (en) Industrial data acquisition system employing back binding communication plug-in
CN107346295A (en) A kind of data transmission cable and data transmission method
CN201698216U (en) Fieldbus type module real-time configuration interface circuit
CN110209617A (en) A kind of UART serial ports Transistor-Transistor Logic level communicates two-way physics monitoring system and method
CN104035422A (en) Data calculation method based on smart mobile terminal
CN106921548A (en) A kind of automatic coagulation analyzer communication system based on CAN

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination