CN108103683B - Sewing machine equipment and software program upgrading device thereof - Google Patents
Sewing machine equipment and software program upgrading device thereof Download PDFInfo
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- CN108103683B CN108103683B CN201711339498.4A CN201711339498A CN108103683B CN 108103683 B CN108103683 B CN 108103683B CN 201711339498 A CN201711339498 A CN 201711339498A CN 108103683 B CN108103683 B CN 108103683B
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B69/00—Driving-gear; Control devices
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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
- G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
- G06F13/4282—Bus transfer protocol, e.g. handshake; Synchronisation on a serial bus, e.g. I2C bus, SPI bus
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- 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
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/60—Software deployment
- G06F8/65—Updates
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Abstract
The invention provides a sewing machine device and a software program upgrading device thereof. The software program upgrading device comprises: the device comprises a processing module, and a storage module, a dial switch and a first communication interface which are respectively electrically connected with the processing module. The storage module is used for storing the program data packet. The first communication interface is used for being connected with a communication interface of the sewing machine device so as to realize transmission of the program data packet, wherein the communication interface of the sewing machine device is connected with a main control module of the sewing machine device. The dial switch is used for setting the type of the part to be upgraded of the sewing machine equipment. The processing module is used for selecting a corresponding program data packet from the storage module according to the component type set by the dial switch and sending the program data packet to a main control module of the sewing machine equipment through a first communication interface so that the main control module can complete self software program upgrading according to the received program data packet. The invention designs a software program upgrading scheme without controller disassembly by utilizing the existing interface of the sewing machine, has simple operation and saves maintenance cost.
Description
Technical Field
The invention relates to the field of industrial sewing machines, in particular to a sewing machine device and a software program upgrading device thereof.
Background
At present, the industrial sewing machine is updated very fast, the requirement of customers is diversified, and the verification time of half a year or more is required from the time when a product is developed and is sent to the customer for trial use to the final forming. During this period, the customer feeds back many problems and demands according to the actual use situation, and the feedback problems and demands are a large part of the problems of the software program. The prior method for processing the software program problems is to directly replace the latest integrated machine controller, or after-sales service personnel use a special offline downloader to update the program on site, or research and development personnel update the program on site directly. Due to the structural limitation of the controller of the integrated machine, the controller is required to be detached from the handpiece and then the electric control housing of the controller is detached in the modes, so that the working efficiency is low, and the labor cost, the material cost and the time cost are very high.
The first and second of the aforementioned treatment methods are more common. The first method needs to prepare an additional whole set of latest electric control system to replace the old electric control system, so that the cost is too high, the actual operation process is complicated, and the large-batch treatment is difficult to realize. And in the second method, the off-line downloader is used for updating the program, so that the problem that the electronic control shell cannot be dismantled and the debug interface is connected for off-line program burning is avoided. The off-line downloader used in the method is obtained by external purchase, the cost is high, only one program data packet can be stored, and the downloading can be performed only aiming at the MCU program of a single manufacturer, and most importantly, the method can cause secret leakage of the software program and bring huge loss to the company.
Disclosure of Invention
In view of the above-mentioned disadvantages of the prior art, the present invention is directed to a sewing machine and a software program upgrading apparatus thereof, which are used to solve the problem of the prior art that the controller must be disassembled when upgrading the software program of the sewing machine.
To achieve the above and other related objects, the present invention provides a software program upgrading apparatus, comprising: the system comprises a processing module, a storage module, a dial switch and a first communication interface, wherein the storage module, the dial switch and the first communication interface are respectively electrically connected with the processing module; the storage module is used for storing at least one program data packet; the first communication interface is used for being connected with a communication interface of the sewing machine equipment so as to realize the transmission of the program data packet; the communication interface of the sewing machine equipment is connected with a main control module of the sewing machine equipment; the dial switch is used for setting the type of the part to be upgraded of the sewing machine equipment; the processing module is used for selecting a corresponding program data packet from the storage module according to the component type set by the dial switch and sending the program data packet to the main control module of the sewing machine equipment through the first communication interface so that the main control module can complete self software program upgrading according to the received program data packet.
In an embodiment of the present invention, the software program upgrading apparatus further includes: one or more combinations of a display module, a second communication interface, a buzzer and an indicator light; the display module, the second communication interface, the buzzer and the indicator light are respectively electrically connected with the processing module; the display module is used for displaying identification information of the currently connected sewing machine equipment and/or state information of a current program data packet; the second communication interface is used for being connected with external equipment so as to receive a program data packet sent by the external equipment; the buzzer is used for indicating the start and the end of the downloading or upgrading process of the program data packet and/or is used for process error alarm; the indicator light is used for indicating that the downloading or upgrading process of the program data packet is in progress and/or for prompting the result state of the downloading or upgrading process of the program data packet.
In an embodiment of the present invention, the software program upgrading apparatus receives a program data packet sent by an external device through the second communication interface, and is implemented in the following manner: establishing communication connection with the external equipment according to a specific communication protocol; establishing transmission of program data packets by a specific communication protocol; receiving a program data packet sent by the external equipment and checking; and encrypting the verified program data packet and storing the encrypted program data packet in a spatial position which is pre-divided for the communication ID number by the storage module.
In an embodiment of the present invention, the software program upgrading apparatus sends the program data packet to the main control module of the sewing machine device through the first communication interface for upgrading the main control module, and the software program upgrading apparatus is implemented by the following method: establishing communication connection with the sewing machine equipment according to a specific communication protocol; extracting a corresponding program data packet from the storage module according to the obtained ID number of the sewing machine device; and sending the extracted program data packet to a main control module of the sewing machine equipment by using a specific communication protocol, so that the main control module checks and decrypts the received program data packet and then stores the program data packet into a storage module of the main control module to update the software program of the main control module.
In an embodiment of the present invention, the specific communication protocol includes: xmodem, Ymodem, Zmodem, ASCII, KERMIT, or modbus.
In an embodiment of the present invention, the software program upgrading apparatus further includes: a patch cord for connecting the first communication interface and the communication interface of the sewing machine device.
In an embodiment of the present invention, the communication interface of the sewing machine apparatus includes: a pedal interface; the patch cord adopts the universal six-core pedal interface connector of sewing machine equipment.
In order to achieve the above and other related objects, the present invention provides a sewing machine device, wherein a communication interface of the sewing machine device is connected to a main control module of the sewing machine device, so as to transmit a program data packet received through the communication interface to a storage module connected to the main control module, so that the sewing machine device can realize software program upgrade according to the program data packet, wherein the program data packet is transmitted by any one of the software program upgrade apparatuses.
In an embodiment of the present invention, the communication interface includes: a foot operated interface or an electromagnet interface.
In an embodiment of the present invention, the vacant pins of the pedal interface or the electromagnet interface are connected to the UART serial port of the main control module.
As described above, the sewing machine and the software program upgrading device thereof of the present invention have the following beneficial effects:
1. the software program upgrading device is small in size and convenient to carry, the existing resource interface is improved on the basis of the original structure of the sewing machine equipment, so that an electric control housing of the sewing machine equipment does not need to be detached when a software system of the sewing machine equipment is upgraded, the operation is simple, the cost is saved, and the working efficiency is high;
2. the patch cord can adopt a universal six-core pedal interface connector of a sewing machine, can be matched with any sewing machine type, and has strong universality;
3. the limitation of the off-line downloader on the type of the MCU of the target sewing machine in the prior art is solved, and the MCU can be commonly used by MCUs of different manufacturers;
4. the programs of a plurality of components of a plurality of model products can be stored simultaneously, the target sewing machine equipment to be upgraded is automatically identified, and one-time upgrading of the plurality of components of a plurality of models can be realized by using the same software program upgrading device;
5. the device is internally added with a data encryption algorithm, so that the confidentiality of a program data packet is ensured, the risk of stealing program data is reduced, and the benefit of a program developer is powerfully protected.
Drawings
Fig. 1 is a schematic structural diagram of a software program upgrading apparatus according to an embodiment of the present invention.
Fig. 2 is a schematic view showing the connection between the software program upgrading apparatus and the sewing machine apparatus.
FIG. 3 is a schematic view of a communication interface of the sewing machine according to an embodiment of the present invention.
Fig. 4A and 4B are diagrams illustrating the signal introduction of each pin before and after the improvement of the foot interface.
Fig. 5 is a schematic diagram illustrating a program data package downloading process of the software program upgrading apparatus according to an embodiment of the present invention.
Fig. 6 is a schematic diagram illustrating a procedure of upgrading a program data packet of a software program upgrading apparatus according to an embodiment of the present invention.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.
It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the components related to the present invention are only shown in the drawings rather than drawn according to the number, shape and size of the components in actual implementation, and the type, quantity and proportion of the components in actual implementation may be changed freely, and the layout of the components may be more complicated.
Referring to fig. 1, the present embodiment provides a software program upgrading apparatus, which mainly includes a first communication interface 1, a processing Module (MCU)3, a dial switch 6, a storage module 7 (a storage chip), and further includes a display module 2 (L ED screen or four-bit display digital tube, etc.), a second communication interface 4, a buzzer 5, an indicator light 8 (L ED indicator light), and other components, and obviously, the first communication interface 1, the dial switch 6, the storage module 7, the display module 2, the second communication interface 4, the buzzer 5, and the indicator light 8 are electrically connected to the processing module 3, respectively.
Fig. 2 is a schematic view of the software program upgrading device of the embodiment connected with the sewing machine device during operation. In fig. 2, the patch cord 2 connects the software program upgrading device 1 and the sewing machine device 3 in a communication manner, specifically, the first communication interface of the software program upgrading device 1 and the communication interface of the sewing machine device 3 are connected, and in order to improve the universality, the patch cord 2 can also adopt a six-core pedal interface connector universal for the sewing machine device as an auxiliary. It should be noted that the present embodiment improves the communication interface of the sewing machine 3, but does not destroy the original structure. Taking the foot-operated interface 1 of the sewing machine apparatus in fig. 3 as an example, 1 foot of the original foot-operated interface is the foot-operated ground, 2 feet, 4 feet and 5 feet are the empty feet, 3 feet are the foot-operated power supply, and 6 feet are the foot-operated analog signal, as shown in fig. 4A. In this embodiment, the vacant 2 pins are used to connect to the URAT serial port of the main control Module (MCU) of the sewing machine, as shown in fig. 4B, specifically, 4 pins are connected to URAT receiving, and 5 pins are connected to UART transmitting, so as to realize the communication with the software program upgrading device.
The sewing machine is under normal sewing mode, and pedal interface joinable pedal carries out the speed governing, when software program upgrading needs to carry out, only needs pull out the pedal, inserts software program upgrading device, can carry out the function of exempting from quick upgrading software program of quick upgrading of dismouting machine.
It should be noted that, except for the pedal interface, the spare interfaces such as the electromagnet interface or the external interface of the common sewing machine equipment can be used by the present invention after the above transformation is completed.
The following describes in detail how to implement the function of the quick upgrade software program without detaching machine.
The storage module of the software program upgrading device is used for storing at least one program data packet. As shown in fig. 5, in this embodiment, the software program upgrading apparatus establishes a connection with an external device (e.g., a computer) through the second communication interface, receives a program data packet sent by the external device, and stores the program data packet: firstly, establishing communication connection with the external equipment according to a specific communication protocol, determining the ID number of the communication, and establishing transmission of a program data packet according to the specific communication protocol; and then, receiving and verifying the program data packet sent by the external equipment, requesting retransmission if the program data packet does not pass the verification, encrypting the program data packet passing the verification and storing the encrypted program data packet in a spatial position which is pre-divided for the communication ID number by the storage module. The following describes the procedure of downloading the program data package in detail by way of an example:
step 1: using specific software containing Xmodem communication protocol on a PC, communicating with a UART (universal asynchronous receiver/transmitter) serial port of a processing module of a software program upgrading device at a baud rate of 38400bps through a COM (component object model) port of the PC, and establishing communication connection with the software program upgrading device according to the specific communication protocol;
step 2: establishing program data packet transmission by using a standard Xmodem communication protocol;
and step 3: the software program upgrading device checks each received program data packet, and requests retransmission if the check fails;
and 4, step 4: and encrypting the program data packet after passing the verification by using a DES algorithm, and then storing the encrypted program data packet into a pre-divided external Flash space position according to the ID number of the communication.
In other embodiments, the storage module can also adopt a detachable high-capacity TF card so as to update the program data packet, avoid the downloading process and be more convenient and faster to use. In addition, the Xmodem communication protocol may be replaced by Ymodem, Zmodem, ASCII, KERMIT, modbus, or other data encryption algorithms, such as IDEA international data encryption algorithm, AES advanced encryption standard algorithm, or the like.
The first communication interface of the software program upgrading device is used for being connected with the communication interface of the sewing machine equipment, so that the transmission of the program data packet is realized. As shown in fig. 6, in this embodiment, the software program upgrading apparatus sends a program data packet to the main control module of the sewing machine device through the first communication interface for upgrading by the main control module: firstly, establishing communication connection with the sewing machine equipment according to a specific communication protocol, and extracting a corresponding program data packet from the storage module according to the obtained ID number of the sewing machine equipment; then, sending the extracted program data packet to a main control module of the sewing machine equipment by using a specific communication protocol; and finally, the main control module checks and decrypts the received program data packet and then stores the program data packet into the storage module of the main control module so as to upgrade the software program of the main control module. In connection with the above example, the following describes the upgrading process of the program data package in detail:
step 1: when a software program is upgraded for target sewing machine equipment, establishing communication connection with the target sewing machine equipment through UART serial port communication at a baud rate of 19200bps by using a specific communication protocol;
step 2: extracting an encrypted program data packet corresponding to external Flash according to the ID number of the target sewing machine device obtained by communication;
and step 3: carrying out data transmission according to a standard Xmodem communication protocol, and sending a data packet to a main control module of target sewing machine equipment;
and 4, step 4: the main control module of the target sewing machine equipment checks the received data and decrypts the DES;
and 5: and storing the binary data without errors into a program code Flash area inside a main control module of the target sewing machine equipment.
In addition, the buzzer of the embodiment is used for indicating the start and the end of the downloading or upgrading process, and has a process error alarm emergency prompt function and the like. The indicator light of the embodiment is used for indicating that the downloading or upgrading process is in progress, and has the function of prompting the result state success or error alarm of the downloading or upgrading process and the like.
The software program upgrading device of the embodiment is fully considered by a user, simplifies the operation steps, is extremely simple to use, and can complete the software program upgrading of the target sewing machine equipment by only three steps:
step 1: the position of the toggle switch is corresponding to the objects of the sewing machine equipment needing to be upgraded, such as 'electric control' or 'panel' or 'adapter plate'. The dial switch of the software program upgrading device is used for setting the type of the parts to be upgraded of the sewing machine equipment. Before the software program upgrading device is used, keys of the dial switch are associated with objects to be upgraded of the sewing machine, so that after a processing module obtains signals of a certain key, which object needs to be upgraded currently can be identified.
Step 2: the foot-operated interface is connected through a patch cord.
And step 3: and (6) electrifying. And the processing module of the software program upgrading device selects a corresponding program data packet from the storage module according to the component type set by the dial switch, and sends the program data packet to the main control module of the sewing machine equipment through the first communication interface. And the main control module finishes self software program upgrading according to the received program data packet.
In this process, the display module of the software program upgrading apparatus displays identification information of the sewing machine device currently connected, status information of the current program data packet, and the like.
In conclusion, the sewing machine equipment can be connected with the main control module of the sewing machine equipment through the existing communication interface of the sewing machine equipment, so that a new target program data packet is obtained, and the software program of a target object is upgraded; the software program upgrading device can enable an operator to manually select the type of an upgrading object through the toggle switch and send the upgrading object to the communication interface of the sewing machine, which is connected with the main control module, through the patch cord, the whole upgrading process does not need to disassemble and assemble the electric control housing, the operation is very simple, the working efficiency is greatly improved, the after-sale service cost is reduced, various defects in the prior art are effectively overcome, and the software program upgrading device has high industrial utilization value.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (9)
1. A software program upgrading apparatus, comprising: the system comprises a processing module, a storage module, a dial switch, a first communication interface and a second communication interface, wherein the storage module, the dial switch, the first communication interface and the second communication interface are respectively electrically connected with the processing module; wherein the content of the first and second substances,
the storage module is used for storing at least one program data packet;
the first communication interface is used for being connected with a communication interface of the sewing machine equipment so as to realize the transmission of the program data packet; the communication interface of the sewing machine equipment is connected with a main control module of the sewing machine equipment;
the dial switch is used for setting the type of the part to be upgraded of the sewing machine equipment;
the processing module is used for selecting a corresponding program data packet from the storage module according to the component type set by the dial switch, and sending the program data packet to a main control module of the sewing machine equipment through the first communication interface so that the main control module can complete software program upgrading of the main control module according to the received program data packet;
the second communication interface is used for connecting with an external device to receive a program data packet sent by the external device, and comprises: establishing communication connection with the external equipment according to a specific communication protocol; establishing transmission of program data packets by a specific communication protocol; receiving a program data packet sent by the external equipment and checking; and encrypting the verified program data packet and storing the encrypted program data packet in a spatial position which is pre-divided for the communication ID number by the storage module.
2. The software program upgrade apparatus according to claim 1, further comprising: one or more combinations of a display module, a buzzer and an indicator light; the display module, the buzzer and the indicator light are respectively electrically connected with the processing module; wherein the content of the first and second substances,
the display module is used for displaying the identification information of the currently connected sewing machine equipment and/or the state information of the current program data packet;
the buzzer is used for indicating the start and the end of the downloading or upgrading process of the program data packet and/or is used for process error alarm;
the indicator light is used for indicating that the downloading or upgrading process of the program data packet is in progress and/or for prompting the result state of the downloading or upgrading process of the program data packet.
3. The software program upgrading device according to claim 1, wherein the software program upgrading device sends a program data packet to a main control module of the sewing machine device through the first communication interface for upgrading by the main control module, and the software program upgrading device is implemented by:
establishing communication connection with the sewing machine equipment according to a specific communication protocol;
extracting a corresponding program data packet from the storage module according to the obtained ID number of the sewing machine device;
and sending the extracted program data packet to a main control module of the sewing machine equipment by using a specific communication protocol, so that the main control module checks and decrypts the received program data packet and then stores the program data packet into a storage module of the main control module to update the software program of the main control module.
4. The software program upgrade device according to claim 1, wherein the specific communication protocol comprises: xmodem, Ymodem, Zmodem, ASCII, KERMIT, or modbus.
5. The software program upgrade apparatus according to claim 1, further comprising: a patch cord for connecting the first communication interface and the communication interface of the sewing machine device.
6. The software program upgrading apparatus of claim 5, wherein the communication interface of the sewing machine device comprises: a pedal interface; the patch cord adopts the universal six-core pedal interface connector of sewing machine equipment.
7. A sewing machine device, characterized in that a communication interface of the sewing machine device is connected with a main control module of the sewing machine device, so as to send a program data packet received through the communication interface to a storage module connected with the main control module, so that the sewing machine device can realize self software program upgrade according to the program data packet, wherein, the program data packet is sent by the software program upgrade device according to any one of claims 1 to 6.
8. The sewing machine apparatus of claim 7, wherein the communication interface comprises: a foot operated interface or an electromagnet interface.
9. The sewing machine device of claim 8, wherein the free pins of the pedal interface or the electromagnet interface are connected to a UART serial port of the main control module.
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| CN201711339498.4A CN108103683B (en) | 2017-12-14 | 2017-12-14 | Sewing machine equipment and software program upgrading device thereof |
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| CN201711339498.4A CN108103683B (en) | 2017-12-14 | 2017-12-14 | Sewing machine equipment and software program upgrading device thereof |
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| CN111625255A (en) * | 2020-05-11 | 2020-09-04 | 北京中睿昊天信息科技有限公司 | Batch offline downloader based on ymodem protocol and upgrading method |
| CN114687083B (en) * | 2020-12-30 | 2023-06-27 | 杰克科技股份有限公司 | Time-sharing processing system |
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