WO2008098426A1 - Programmeur micro-informatique portatif à puce unique - Google Patents

Programmeur micro-informatique portatif à puce unique Download PDF

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Publication number
WO2008098426A1
WO2008098426A1 PCT/CN2007/000798 CN2007000798W WO2008098426A1 WO 2008098426 A1 WO2008098426 A1 WO 2008098426A1 CN 2007000798 W CN2007000798 W CN 2007000798W WO 2008098426 A1 WO2008098426 A1 WO 2008098426A1
Authority
WO
WIPO (PCT)
Prior art keywords
programmer
programming
interface
circuit
handheld
Prior art date
Application number
PCT/CN2007/000798
Other languages
English (en)
Chinese (zh)
Inventor
Fangrui Mou
Hongkai Ge
Original Assignee
Shenzhen Secom Telecom Co., Ltd
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 Shenzhen Secom Telecom Co., Ltd filed Critical Shenzhen Secom Telecom Co., Ltd
Publication of WO2008098426A1 publication Critical patent/WO2008098426A1/fr

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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
    • G05B19/0426—Programming the control sequence
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/60—Protecting data
    • G06F21/62—Protecting access to data via a platform, e.g. using keys or access control rules
    • G06F21/6209—Protecting access to data via a platform, e.g. using keys or access control rules to a single file or object, e.g. in a secure envelope, encrypted and accessed using a key, or with access control rules appended to the object itself
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
    • G06F21/71—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information
    • G06F21/76—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information in application-specific integrated circuits [ASIC] or field-programmable devices, e.g. field-programmable gate arrays [FPGA] or programmable logic devices [PLD]
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C16/00—Erasable programmable read-only memories
    • G11C16/02—Erasable programmable read-only memories electrically programmable
    • G11C16/06—Auxiliary circuits, e.g. for writing into memory
    • G11C16/10—Programming or data input circuits
    • G11C16/102—External programming circuits, e.g. EPROM programmers; In-circuit programming or reprogramming; EPROM emulators
    • 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
    • G05B2219/23—Pc programming
    • G05B2219/23406—Programmer device, portable, handheld detachable programmer

Definitions

  • This invention relates to programmers and, more particularly, to a handheld microcontroller (MCU) programmer.
  • MCU microcontroller
  • the invention solves the problems that the prior programmer batch programming is inconvenient, bulky, requires computer participation in the programming process, and needs to install special software on the computer, and provides a small size, low cost, password protection function and encryption and decryption function. Independently programmable programmer.
  • the technical solution of the present invention is to construct a handheld MCU programmer, comprising a programmer body and a programmer handle body, the programmer body comprising a voltage stabilization circuit, a CPU main control unit, and a communication interface connected with the CPU main control unit And a programming interface, the programmer handle body includes a socket for connecting the programming interface and a plurality of pogo pins for connecting the target board, wherein:
  • the programmer body further includes a password protection module and an encryption and decryption module, and the password protection
  • the module is for limiting the number of programming
  • the encryption and decryption module is for encrypting and decrypting the programming file
  • the plurality of pogo pins includes a long needle for the ground wire that first contacts the target board.
  • a programming interface selection circuit is further included, and the programming interface selection circuit cooperates with the programming interface to implement switching of a programming interface type.
  • the DIP dial switch is used to control the programming interface selection circuit.
  • the plurality of pogo pins are plug-in spring pins, which can be inserted into a double row ten needle, a single row five needle or a single row three needle.
  • the power supply mode selection circuit is further included, and the power supply mode selection circuit cooperates with the voltage stabilization circuit to switch the power supply mode.
  • the input end of the voltage stabilizing circuit is connected to an external power source or an internal battery, and the output terminal supplies power to the programmer body.
  • the input end of the voltage stabilizing circuit is connected to an external power source or an internal battery, and the output terminal supplies power to the programmer body and the target board.
  • the target board supplies power to the programmer body.
  • the power supply mode selection circuit is controlled using a DIP dial switch.
  • the programmer body further includes a program mode selection module for switching between a manual programming mode and an automatic programming mode.
  • the programmer body further includes a programming button and a reset button connected to the CPU main control unit, the programming button is used for manual programming, and the reset button circuit is used for resetting the CPU main control unit.
  • the programmer body further includes the program content selection circuit, and the program content includes a program target board and an erase target board.
  • the programming content selection circuit is controlled using a DIP dial switch.
  • the programming interface of the programmer body is connected to a flat cable, and the other end of the flat cable is used to connect a socket or a target board of the programmer handle.
  • the programmer body further includes an indication and alarm circuit for indicating the working state of the programmer, the indication and alarm circuit includes two LED lights and a buzzer, wherein one LED is used for indicating During the programming process, another LED light is used in conjunction with the buzzer to indicate if the programming was successful.
  • the programming interface further includes a protection circuit, and the protection circuit can realize the instant State suppression protection and overcurrent protection.
  • the communication interface is an RS232 serial interface
  • the CPU main control unit uses a single chip C8051F123
  • the programming interface is a switchable C2/JTAG interface
  • the programmer body is connected to a computer through a communication interface circuit. To initialize.
  • the programmer of the present invention has an encryption and decryption module and a password protection module, which can encrypt and decrypt the programming file and limit the number of programming;
  • the target board is programmed by the programmer handle body, and the target board of the plurality of interfaces is supported; It is carried out through the computer's HyperTerminal at the time of initialization. It does not need to install special software on the computer. It does not require the participation of the computer during the programming process, and is convenient to use and suitable for mass programming.
  • m 1 is a functional block diagram of a programmer body in a preferred embodiment of the present invention.
  • FIG. 2 is a schematic diagram of the appearance of a programmer body in a preferred embodiment of the present invention.
  • FIG. 3 is a schematic block diagram of a programmer handle body mated with the programmer body shown in FIG. 1;
  • FIG. 5 is a circuit diagram of a programmer body in a preferred embodiment of the present invention.
  • FIG. 6 is a circuit diagram of a programmer handle in a preferred embodiment of the present invention.
  • the programmer of the present invention includes a programmer body and a programmer handle. A preferred embodiment of the invention is illustrated in Figures 1 through 6.
  • 1 is a schematic block diagram of the programmer body 10
  • FIG. 2 is a schematic diagram of the appearance of the programmer body 10
  • FIG. 3 is a schematic block diagram of the programmer body 30.
  • the programmer body 10 includes a voltage stabilizing circuit 11, a CPU main control unit 12, a communication interface 13, a programming interface 14, a power supply mode selection circuit 15, a programming interface selection circuit 16, and a programming content selection circuit. 17.
  • the communication interface 13 is connected to the CPU main control unit 12 and communicates with the computer; the programming interface 14 is connected to the CPU main control unit 12 to form a programming interface circuit;
  • the protection circuit can realize the transient suppression protection and the overcurrent protection;
  • the power supply mode selection circuit 15 is directly connected to the CPU main control unit 12, and cooperates with the voltage stabilization circuit 11 to realize the switching of the power supply mode;
  • the programming interface selection circuit 16 Directly connected to the CPU main control unit 12, cooperate with the programming interface 14 to realize switching of the programming interface type;
  • the programming content selection circuit 17 is directly connected to the CPU main control unit 12, for selecting a programming target board or erasing a target board;
  • the protection module 18 is used to limit the number of programming, and the encryption and decryption module 19 is used to encrypt and decrypt the programming file.
  • the programming mode selection module is directly connected to the CPU main control unit 12 for switching between the manual programming mode and the automatic programming mode.
  • the "power supply mode” includes: the voltage stabilizing circuit 11 supplies power to the programmer body 10, and the other power supplies supply power to the hundred standard boards; the voltage stabilizing circuit 11 supplies power to the programmer body 10 and the target board; the target board supplies power to the programmer body 10, For example, the target board powers the programmer body 10 through a programming cable or programmer handle.
  • This kind of power supply method is very flexible to adapt to various power supply situations at the programming site.
  • the automatic programming mode is to insert the programmer handle body into the target board programming hole to realize programming;
  • the manual programming mode is to connect the programming cable or the programmer handle body to the target board programming interface, and then press the programming button to realize the programming. program.
  • the voltage stabilizing circuit 11 is a DC DC+LDO voltage stabilizing circuit, and its input terminal can be connected to an internal battery or connected to an external power source.
  • the voltage stabilizing circuit the input end of the 11 can pass the 9V DC.
  • the power input port is connected to an external 220VAC/9VDC power adapter; the output terminal supplies power to the programmer body 10 or simultaneously supplies power to the target board.
  • the CPU main control unit 12 uses a single chip microcomputer C8051F123.
  • the communication interface 13 is an RS232 serial interface that can be used to connect to a computer for initialization.
  • Programming interface 14 is a C2/JTAG programming interface that can be switched to a C2 interface or a JTAG programming interface.
  • the programming interface 14 can be connected to a flat cable and the target board having the corresponding interface can be programmed through the flat cable, or the other end of the flat cable can be connected to the programmer handle 30 (Fig. 3) and then through the programmer handle 30 to the target board. Programming.
  • the programmer body 10 can be connected to the computer through the RS232 communication interface 13, and the CPU main control unit 12 has a UART port connected to the RS232 communication interface 13.
  • the HyperTerminal uses the HyperTerminal to enter the programmer initialization operation menu to initialize the programmer, no need to install other special software.
  • Initialization includes selecting the target device, erasing the programmer data storage space, receiving the user HEX file, setting the programmer password, setting the programming mode (manual programming or automatic programming), online operation, and so on.
  • the password protection module 18 and the encryption decryption module 19 can be implemented by hardware, firmware or software. For example, at the time of initialization, the user password can be set in the field of receiving the HEX file.
  • the user enters the user's password when using the programmer.
  • the password protection module 18 compares the password input by the user and the password set by the HEX file. If the two are consistent, the user is considered to be an authorized user, and the programmer is allowed to run according to the user password including the programmed quantity, the programming date, the programmer number, and the like.
  • the encryption security module 19 is used to encrypt and decrypt user passwords, programming files, etc., to implement the encryption and decryption mode to transfer the programmed file, and to encrypt and decrypt the file in the programmer, thereby enhancing confidentiality. That is to say, the number of programs and the secret programming file can be limited by the password protection module 18 and the encryption/decryption module 19.
  • the programming mode selection module can be implemented in hardware, or software.
  • the programming mode selection module is implemented in a software manner, and during the initialization process of the programmer, an automatic programming mode or a manual programming mode may be selected through an initialization menu.
  • the programmer body 10 also includes a programming button 26 and a reset button circuit 25, as shown in FIG.
  • the programming button 26 and the reset button circuit 25 are directly connected to the CPU main control unit 12.
  • the programming button 26 is used for manual programming, and the programming operation is performed once per trigger; the reset button 25 is used to reset the CPU main control unit 12. '
  • the DIP switch switch 23 controls the power supply mode selection circuit 15, the programming interface selection circuit 16, and the programming content selection circuit 17.
  • the DIP DIP switch is a 6-digit DIP DIP switch, the 1st and 2nd bits set the power supply mode, the 5th bit selects the target board interface such as C2 or JTAG interface, and the 3rd and 4th bits set the programming target board or erase target.
  • the output of the voltage stabilizing circuit 11 can be connected to the first bit of the 6-bit DIP switch, and the target board can supply power to the internal circuit of the programmer, that is, the target board can be programmed by the programming cable or the programmer handle 30.
  • the body 10 is powered.
  • This embodiment uses two LED status indicators 28 and one alarm 24, one of which is LED
  • the lamp indicates the programming process and flashes at a frequency lower than or equal to 10 Hz during programming.
  • Another LED is used to indicate the programming result.
  • the programming succeeds in flashing at 1Hz.
  • the buzzer emits two consecutive "beep”sounds; the programming error flashes at 5Hz, and the buzzer emits a "beep” tone. , lasts 3 seconds.
  • the position of the LED, the buzzer and the button can be appropriately adjusted.
  • the programmer handle 30 includes a socket 31 and a plurality of pogo pins 32.
  • the socket 31 can be a double row ten pin socket such as a conventional ten pin socket having a pitch of 2.54 mm, and a programming interface 14 for connecting the programmer body 10, for example, a programming cable 14 via a ten-pin flat cable.
  • the plurality of pogo pins 32 may be a double row ten needle, a single row five needle or a single row three needle or the like.
  • the plurality of pogo pins 32 are plug-in spring pins that can be plugged into a double-row cross, a single-row five-pin or a single-row three-pin programming head, and the flexible programming head can be programmed with a double row of ten Needle interface / single-row five-pin interface / single-row three-pin interface target board.
  • the plurality of pogo pins 32 are long and short needle designs, gp, having a long needle for the ground wire that first contacts the target plate.
  • the programmer of this embodiment requires the computer to participate in initialization only before programming, and once the initialization is completed, the participation of the computer is no longer required.
  • the programmer can automatically or manually program the target board either independently or in conjunction with the programmer handle.
  • FIG. 5 is a circuit diagram of the programmer body.
  • the DC/DC U3 input terminal of the voltage stabilizing circuit is connected to the positive terminal of the 9 VDC power input port P1 and the battery BT1 through the power fuse F4.
  • DC/DC output 5V to the input of LDO U4.
  • the LDO U4 regulates the output 4V, which is stepped down to 3.3V through diode D7 and connected to power switch S4.
  • the other end of the power switch is connected to 3.3V to the internal working power supply of the programmer. This allows the programmer to be powered by a 220VAC/9VDC power adapter or by an internal battery.
  • the cathode of the diode D7 is also connected to the bitl bit of the DIP switch S2, and is connected to the working power supply of the target board through the bitl bit.
  • the power of the target board can be introduced into the working power of the programmer, so that the target board supplies power to the programmer.
  • Set the bit 2 of the DIP switch S2 to ON, indicating that the target board needs the programmer to supply power.
  • the CPU obtains this flag bit, controls the MOS transistor Q1, and sends the programmer power to the target board working power supply, thereby implementing the programmer to supply power to the target board.
  • the above is the power supply mode of the programmer.
  • the DIP switch in addition to setting the power supply mode, the DIP switch also sets the programming interface, programming content such as programming target board or erasing the target board.
  • Bit5 selects the programming interface
  • OFF is the C2 interface
  • ON is the JTAG interface.
  • Bit3 and bit4 select the programming target board or erase the target board.
  • Pins Pin 8, 9, 10, 11 of the DIP switch are connected to the corresponding 10 ports of CPU U1 in Figure 4, and the CPU performs the corresponding operations through the state of these IOs.
  • the button S3 in Figure 5 is a manual programming button, and the button change pin is connected to the external interrupt pin in the CPU of Figure 4. Press S3 once to generate an interrupt on the CPU and perform a programming operation.
  • This is the manual programming process.
  • Manual programming or automatic programming is set in the menu when the programmer is initialized by the computer. When automatic programming is selected, the external interrupt is turned off in the program, and the manual change to the button does not work.
  • the CPU polls the target board in-position signal /C20N (Pin33), and if the target board is in place, the program operation is performed, otherwise it is not executed. This is the automatic programming process.
  • the CPU is connected to the RS232 level conversion chip U2 in Figure 5 via the 2-wire CPU UART interface (54, 55 'pin), and the U2 is connected to the standard serial port DB9.: Thereby connected to the serial port of the computer, the programmer is initialized on the computer through the HyperTerminal.
  • D9 is the working power indicator. Turn on the power switch S4 in Figure 5.
  • D11 is the programming process indicator. During the programming process, the lamp flashes rapidly at a frequency lower than or equal to 10Hz. If the lamp is off, it indicates that the programming process is wrong. The programming is successful. The lamp is always on; D5 is the programming result indicator. This light is always on during programming, programming is successful, this light flashes at 1Hz frequency, programming error, this light flashes at 5Hz frequency. Buzzer U30 uses sound to indicate programming results.
  • the master CPU of the programmer is C8051F123 U1.
  • C8051F123 has a rich 10 ports, and has up to 128KB of Flash Memory inside. Its system working frequency can be Arrived at 100 MIPS.
  • the CPU is connected to the peripheral circuit through 10 ports, obtains the dial setting, controls the power supply mode, connects the RS232 communication interface circuit, and connects the programming interface circuit to realize the core control of all functions of the programmer.
  • the double-row ten-pin socket JP3 is the programming interface.
  • the standard JTAG signal and C2 signal are defined on JP3.
  • the programmer connects to the target board through this interface to complete the programming work.
  • the standard JTAG signal and C2 signal are provided by the CPU's IO port (pages 33, 34, 35, 36, 37).
  • the signal on pin 3 of JP3 is the in-position signal, and this signal is grounded on the target board.
  • the CPU detects this signal by pin 33 to determine whether the target board is in position. In the automatic programming mode, the CPU also performs automatic programming by polling this signal.
  • Double-row ten-pin socket JP3 can be connected to a 10-pin flat cable.
  • the other end of the cable can be connected to a target board with a corresponding interface or a socket to which the programmer handle is connected.
  • password protection and encryption and decryption protection are designed for the operation of the programmer.
  • the user connects the programmer to the HyperTerminal of the computer and initializes the programmer through the menu options on the HyperTerminal. Initialization includes selecting the target device, erasing the programmer's flash space, receiving user HEX files, and online programming.
  • the user password is set in the column of receiving HEX file, and the user must input the correct password to receive the HEX file into the programmer.
  • the password protection module can be used to determine if the password entered by the user is correct.
  • the user password contains information such as the number of programming, programming date, programmer number, and so on.
  • the encryption security protection module is used to encrypt and decrypt user passwords, programmed files, etc., and increases confidentiality.
  • FIG 6 is a schematic diagram of a programmer handle mated with the programmer.
  • the socket 31 is a conventional double-row ten-pin socket connected to the programmer programming interface (JP3 in Fig. 4) through a ten-pin flat cable;
  • J1 is a double-row ten-pin pluggable spring pin.
  • the third pin of the spring pin on J1 is a long needle that is connected to the target plate. Ground wire, this ensures that the signal connected to the target board is connected first for hot swapping.
  • the pogo pins can be disassembled into a single row of five needles (leaving 1, 3, 5, 7, 9 needles) and a single row of three needles (leaving 1, 3, 5 needles).
  • Single-row five-pin and single-row three-pin are used to program the C2 interface target board because the C2 interface has only two lines of clock and data.
  • the single-row five-pin and single-row three-pin design saves PCB space on the target board.
  • the spring pin has another great advantage: the user can automatically program by holding the top of the programmer handle on the target programming hole.

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  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Security & Cryptography (AREA)
  • Software Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Automation & Control Theory (AREA)
  • Health & Medical Sciences (AREA)
  • Bioethics (AREA)
  • General Health & Medical Sciences (AREA)
  • Stored Programmes (AREA)
  • Programmable Controllers (AREA)

Abstract

L'invention concerne un programmeur micro-informatique portatif à puce unique portatif qui comprend un corps de programmeur et un corps de poignée. Le corps de programmeur comprend un circuit de stabilisation de tension, une unité de commande centrale CPU, une interface de communication et une interface de programmation qui sont connectés à l'unité de commande centrale CPU, le corps de poignée du programmeur comprend une prise destinée à être raccordée à l'interface de programmation et plusieurs goupilles-ressort destinées à être raccordées à une carte objet. Le corps de programmeur comprend également un module de protection par mots de passe et un module de chiffrage/déchiffrage, le module de protection par mots de passe limite les temps de programmation, le module de chiffrage/déchiffrage chiffre et déchiffre le fichier de programmation, les goupilles-ressort comprennent une longue goupille connectée initialement au fil de masse de la carte objet. Le programmeur présente l'avantage de chiffrer et de déchiffrer le fichier de programmation et de limiter le nombre de programmations, sans implication de l'ordinateur au cours de la programmation, une interface de programmation souple, autorisant de nombreux modes d'alimentation, convenant à l'utilisation et à la programmation en vrac.
PCT/CN2007/000798 2007-02-15 2007-03-13 Programmeur micro-informatique portatif à puce unique WO2008098426A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200720118742.X 2007-02-15
CNU200720118742XU CN201060402Y (zh) 2007-02-15 2007-02-15 手持式单片机编程器

Publications (1)

Publication Number Publication Date
WO2008098426A1 true WO2008098426A1 (fr) 2008-08-21

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Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101937205B (zh) * 2009-11-13 2013-01-09 广西工学院 新型便携式plc编程装置
CN102236333B (zh) * 2010-04-30 2015-04-15 深圳市合信自动化技术有限公司 一种可编程逻辑控制器程序上载装置和方法
CN102403037A (zh) * 2011-11-15 2012-04-04 苏州欣华锐电子有限公司 芯片烧录座及芯片烧录方法
CN103592858A (zh) * 2013-10-14 2014-02-19 苏州市职业大学 一种手持编程器
US20220067163A1 (en) * 2020-08-28 2022-03-03 Coretronic Corporation Electronic-device control system and electronic-device control method
CN112947275B (zh) * 2021-02-08 2023-07-21 南京康尼智控技术有限公司 一种手持编程器及其控制方法
CN113391980B (zh) * 2021-06-25 2024-04-05 超越科技股份有限公司 一种基于单片机的计算机监控系统

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CN1588550A (zh) * 2004-08-26 2005-03-02 复旦大学 一种usb通用编程器
CN1808343A (zh) * 2005-09-20 2006-07-26 马义德 可编程通信转换器

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Publication number Priority date Publication date Assignee Title
CN1588550A (zh) * 2004-08-26 2005-03-02 复旦大学 一种usb通用编程器
CN1808343A (zh) * 2005-09-20 2006-07-26 马义德 可编程通信转换器

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