Single-chip microcomputer program off-line high-speed burning device with liquid crystal display

Abstract

The utility model discloses a singlechip program off-line high-speed burning device with liquid crystal display, which comprises a plurality of off-line burning hosts and a plurality of off-line burning adapter plates, the off-line burning hosts are respectively connected in sequence through corresponding serial interfaces, each off-line burning host is electrically connected with one off-line burning adapter plate through a JTAG (Joint Test Action Group) interface, and each off-line burning adapter plate is electrically connected with the corresponding serial interface. Each off-line burning adapter plate is provided with an input interface and a plurality of burning interfaces, the input interface is connected with the JTAG interface of one of the off-line burning hosts, and one of the off-line burning hosts is connected with a power supply through the JTAG interface. According to the utility model, each off-line high-speed burner can realize interactive control through the built-in key and screen, one off-line high-speed burner can simultaneously burn dozens of to hundreds of products through the off-line burning adapter plate, a plurality of off-line high-speed burners are combined for use to meet the production requirement of mass production burning, and the burning efficiency is high.

Description

Technical Field

[0001] The utility model relates to the technical field of single-chip computer program burners, in particular to a single-chip computer program offline high-speed burner with a liquid crystal display. Background Art

[0002] In the mass production of embedded products, one of the most important steps is to burn the firmware program into the chip through a burner. Burning using an integrated development environment and source code engineering is no longer suitable for mass production. The burning speed is slow and the burning efficiency is extremely low, so it is necessary to improve it. Utility Model Content

[0003] In view of the shortcomings of the prior art, the purpose of the utility model is to provide an offline high-speed burning device for a single-chip microcomputer program with a liquid crystal display. An offline high-speed burner can burn dozens to hundreds of products at the same time through an offline burning adapter board. The combined use of multiple offline high-speed burners can meet the production needs of mass production burning, and the burning efficiency is high.

[0004] In order to achieve the above-mentioned purpose, the technical scheme adopted by the utility model is: a single-chip computer program offline high-speed burning device with liquid crystal display, including multiple offline burning hosts and multiple offline burning adapter boards, the offline burning hosts are equipped with offline burning boards in the inner cavity of their shells, the offline burning boards are provided with a main control unit, a memory, a level conversion circuit, a JTAG interface for connecting to the offline burning adapter board, a USB interface for connecting to a host computer and at least two serial interfaces for serially connecting other offline burning hosts, the main control unit is electrically connected to the memory, the USB interface, each serial interface, the level conversion circuit, the screen and the control buttons, the level conversion circuit is electrically connected to the JTAG interface,

[0005] Each offline burning host is connected in sequence through the corresponding serial interface, and each offline burning host is electrically connected to an offline burning adapter board through the JTAG interface. Each offline burning adapter board is provided with an input interface for receiving a firmware program and multiple burning interfaces for outputting the firmware program. The input interface is connected to the JTAG interface of one of the offline burning hosts, and one of the offline burning hosts is connected to the power supply through the JTAG interface to realize offline burning of multiple products at the same time through each burning interface.

[0006] The screen and the control buttons are arranged on the front of the offline burning host, and the JTAG interface, the USB interface and the serial interface are arranged around the offline burning host respectively.

[0007] The JTAG interface is arranged on the top surface of the offline burning host, the USB interface is arranged on the bottom surface of the offline burning host, and a serial interface is arranged on the left and right sides of the offline burning host respectively. The offline burning hosts are arranged in a horizontal interval and connected in series in sequence through the serial interface.

[0008] The memory includes an EEPROM memory for storing data and an EMMC memory for storing firmware programs, download configurations and download algorithms, and the EEPROM memory and the EMMC memory are electrically connected to the main control unit respectively; the offline burning adapter board is also provided with a second control unit and a RAM memory for temporarily storing the firmware program, and the second control unit is respectively connected to the input interface, the RAM memory and each of the burning interfaces.

[0009] Each of the offline burning adapter boards is provided with an input interface and four burning interfaces, and the four burning interfaces of the offline burning adapter board are connected in parallel to the input interface of the offline burning adapter board.

[0010] After adopting the above structure, the utility model has the advantages compared with the prior art: each offline high-speed burner can realize interactive control through its own buttons and screen, one offline high-speed burner can burn dozens to hundreds of products at the same time through the offline burning adapter board, and multiple offline high-speed burners can be used in combination to meet the production needs of mass production burning, and the burning efficiency is high.

[0011] The main control unit uses the i.MXRT1064 chip.

[0012] Each offline high-speed programmer can realize data exchange and mutual control with other offline high-speed programmers through corresponding interfaces. Any offline high-speed programmer can be operated and the specified firmware program stored in the offline high-speed programmer can be copied to other offline high-speed programmers in batches. Then, each offline high-speed programmer can be controlled to burn the specified firmware program into the specified product through the corresponding offline burning adapter board. The mass production burning efficiency is high, the cost is low, and it is easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 The utility model is a circuit structure diagram of the offline burning host.

[0014] Figure 2 This is the process intention of the offline burning of the utility model.

[0015] Figure 3 It is a structural schematic diagram of the offline burning host of the utility model.

[0016] Figure 4 It is a structural schematic diagram of the offline burning host of the utility model from another perspective.

[0017] Markings in the figure:

[0018] 1. Offline burning host

[0019] 2. JTAG interface

[0020] 3. USB interface

[0021] 4. Screen

[0022] 5. Control buttons

[0023] 6. Serial interface

[0024] 7. Shell. DETAILED DESCRIPTION

[0025] A single-chip computer program offline high-speed burning device with liquid crystal display, Figures 1 to 4 As shown, it includes multiple offline burning hosts 1 and multiple offline burning adapter boards. The offline burning host 1 is equipped with an offline burning board in the inner cavity of its shell 7. The offline burning board is provided with a main control unit, a memory, a level conversion circuit, a JTAG interface 2 for connecting the offline burning adapter board, a USB interface 3 for connecting a host computer and at least two serial interfaces 6 for serially connecting other offline burning hosts 1. The host computer includes a computer and a burning program preset in the computer. The main control unit uses an I.MXRT1064 chip. The main control unit is electrically connected to the memory, the USB interface 3, each serial interface 6, the level conversion circuit, the screen 4 and the control button 5 respectively. The level conversion circuit is electrically connected to the JTAG interface 2. The memory includes an EEPROM memory for storing data and an EMMC memory for storing firmware programs, download configurations and download algorithms. The EEPROM memory and the EMMC memory are electrically connected to the main control unit respectively.

[0026] Each offline burning host 1 is connected in sequence through the corresponding serial interface 6, and each offline burning host 1 is electrically connected to an offline burning adapter board through the JTAG interface 2. Each offline burning adapter board is provided with an input interface for receiving a firmware program and a plurality of burning interfaces for outputting a firmware program. The input interface is connected to the JTAG interface 2 of one of the offline burning hosts 1, and one of the offline burning hosts 1 is connected to a power supply through the JTAG interface 2 to realize offline burning of multiple products at the same time through each burning interface.

[0027] Each offline burning adapter board is provided with four burning interfaces, and the four burning interfaces of the offline burning adapter board are connected in parallel with the input interface of the offline burning adapter board, that is, each connection pin of the four burning interfaces is directly connected in parallel with the connection pin at the corresponding position of the input interface, and the input interface and the burning interface adopt a line direct connection structure. The offline burning adapter board has a simple structure and low cost, and can improve the burning efficiency while ensuring the smooth burning.

[0028] Alternatively, the offline burning adapter board is also provided with a second control unit and a RAM memory for temporarily storing the firmware program. The second control unit is respectively connected to the input interface, the RAM memory and each burning interface. This allows an offline burning adapter board to be provided with dozens of burning interfaces, and dozens of products can be burned at the same time, with higher burning efficiency.

[0029] The screen 4 and the control button 5 are both arranged on the front of the offline burning host 1, and the JTAG interface 2, the USB interface 3 and the serial interface 6 are respectively arranged around the offline burning host 1. The JTAG interface 2 is arranged on the top surface of the offline burning host 1, the USB interface 3 is arranged on the bottom surface of the offline burning host 1, and a serial interface 6 is respectively arranged on the left and right sides of the offline burning host 1. The offline burning hosts 1 are arranged in a horizontal interval and are connected in series in sequence through the serial interface 6.

[0030] The offline burning host 1 is connected to a computer or other host computer through a USB interface 3, and the working status of the offline burning host 1 is displayed on a screen 4 of the offline burning host 1. The working status of the offline burning host 1 is set and controlled through a control button 5 of the offline burning host 1, so that the offline burning host 1 enters a configuration state, and the burning configuration is set on the host computer and the firmware program to be burned is loaded. The burning configuration and the firmware program and other data are burned to the EEPROM memory and the EMMC memory of the offline burning host 1 through the host computer, and the offline burning host 1 is controlled to exit the configuration state through control. At this time, the offline burning host 1 loaded with the burning configuration and the firmware program can work independently without the host computer, and the offline burning host 1 loaded with the burning configuration and the firmware program is connected in series with other offline burning hosts 1. The control button 5 includes a copy control key, a burning control key and a function control key. The main control unit is electrically connected to the copy control key, the burning control key and the function control key respectively. Each offline burning host 1 communicates and exchanges data through the corresponding serial interface 6 respectively. The serial port polling instruction is used to detect whether each burning interface of each offline burning adapter board has access to the product to be burned. The connection state and working state of each offline burning host 1 and the connection state and working state of each burning interface of the offline burning adapter board currently corresponding to the machine are switched through the screen 4. The required burning is selected and confirmed through the function control key. Configuration and firmware program, after the copy control key of any offline burning host 1 is triggered, each offline burning host 1 obtains the copy control signal through the serial port signal, and copies the corresponding burning configuration and firmware program to other offline burning hosts 1, realizing one-key copying, after the burning control key of any offline burning host 1 is triggered, each offline burning host 1 obtains the burning control signal through the serial port signal, the JTAG interface 2 provides the burning power to the offline burning adapter board through the level conversion circuit, and at the same time transmits the firmware program to the RAM memory of the offline burning adapter board through the JTAG interface 2, and the offline burning adapter board then outputs the firmware program to each burning interface respectively through the RAM memory, and burns the firmware program to the products connected to each burning interface respectively, so as to improve the burning efficiency.

[0031] The above contents are only preferred embodiments of the present invention. For ordinary technicians in this field, according to the concept of the present invention, there will be changes in the specific implementation methods and application scopes. The contents of this specification should not be understood as limiting the present invention.

Claims

1. A single-chip computer program offline high-speed burning device with liquid crystal display, characterized in that: The invention comprises a plurality of offline burning hosts (1) and a plurality of offline burning adapter boards. The offline burning hosts (1) are provided with offline burning boards in the inner cavity of a housing (7). The offline burning boards are provided with a main control unit, a memory, a level conversion circuit, a JTAG interface (2) for connecting to the offline burning adapter board, a USB interface (3) for connecting to a host computer, and at least two serial interfaces (6) for serially connecting to other offline burning hosts (1). The main control unit is electrically connected to the memory, the USB interface (3), each serial interface (6), the level conversion circuit, the screen (4) and the control button (5). The level conversion circuit is electrically connected to the JTAG interface (2). The offline burning hosts (1) are connected in sequence through corresponding serial interfaces (6), and each offline burning host (1) is electrically connected to an offline burning adapter board through a JTAG interface (2). Each offline burning adapter board is provided with an input interface for receiving a firmware program and a plurality of burning interfaces for outputting the firmware program. The input interface is connected to the JTAG interface (2) of one of the offline burning hosts (1), and one of the offline burning hosts (1) is connected to a power supply through a USB interface (3), so as to realize offline burning of multiple products simultaneously through each burning interface.

2. The single-chip computer program offline high-speed burning device with liquid crystal display according to claim 1, characterized in that: The screen (4) and the control buttons (5) are both arranged on the front side of the offline burning host (1), and the JTAG interface (2), the USB interface (3) and the serial interface (6) are respectively arranged around the offline burning host (1).

3. The single-chip computer program offline high-speed burning device with liquid crystal display according to claim 2, characterized in that: The JTAG interface (2) is arranged on the top surface of the offline burning host (1), the USB interface (3) is arranged on the bottom surface of the offline burning host (1), and a serial interface (6) is arranged on the left and right sides of the offline burning host (1), respectively. The offline burning hosts (1) are arranged in a horizontally spaced manner and are connected in series in sequence via the serial interfaces (6).

4. The single-chip computer program offline high-speed burning device with liquid crystal display according to claim 1, characterized in that: The memory includes an EEPROM memory for storing data and an EMMC memory for storing firmware programs, download configurations and download algorithms, and the EEPROM memory and the EMMC memory are electrically connected to the main control unit respectively; the offline burning adapter board is also provided with a second control unit and a RAM memory for temporarily storing the firmware program, and the second control unit is respectively connected to the input interface, the RAM memory and each of the burning interfaces.

5. The single-chip computer program offline high-speed burning device with liquid crystal display according to claim 1, characterized in that: Each of the offline burning adapter boards is provided with an input interface and four burning interfaces, and the four burning interfaces of the offline burning adapter board are connected in parallel to the input interface of the offline burning adapter board.

6. The single-chip computer program offline high-speed burning device with liquid crystal display according to claim 1, characterized in that: The main control unit uses the i.MXRT1064 chip.

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