KR100623359B1 - A portable apparatus downloading booting program without other equipment and its method - Google Patents

Abstract

1. TECHNICAL FIELD OF THE INVENTION

The present invention relates to a portable terminal having a boot program download function without equipment and a method thereof.

2. The technical problem to be solved by the invention

SUMMARY OF THE INVENTION An object of the present invention is to provide a portable terminal having a boot program download function and a method thereof for saving mass production cost and mass production time by downloading a boot program from an external device and booting the portable terminal without expensive download equipment.

3. Summary of Solution to Invention

The present invention provides a portable terminal comprising: first control means for receiving a boot program and a control program from an external device and storing the booting program and the control program in a first storage means, and for resetting the second control means; The first storage means for storing a control program and a boot program according to the control of the first control means; Booting the portable terminal by mounting a boot program reset by the first control means and stored in the first storage means in a second storage means, and using the control program stored in the first storage means. The second control means for controlling the operation of the portable terminal; The second storage means for mounting a boot program and a control program of the first storage means according to the control of the second control means; And access means for receiving a plurality of programs from the external device under control of the second control means.

4. Important uses of the invention

The present invention is used in the portable terminal.

Jtag port, boot program, ARM, portable terminal

Description

A portable apparatus downloading booting program without other equipment and its method}

1 is a view for explaining a program download method using a conventional download equipment,

2 is a configuration diagram of an embodiment of a wireless communication terminal having a boot program download function without equipment according to the present invention;

3 is a flowchart illustrating a boot program download method in a wireless communication terminal according to the present invention.

* Explanation of symbols for the main parts of the drawings

210: first control unit 220: second control unit

230: first storage unit 240: second storage unit

250: connection part

The present invention relates to a portable terminal having a boot program download function without a device and a method thereof, and more particularly, to download a boot program from an external device without using expensive download equipment by using a Jtag port or the like. The present invention relates to a portable terminal having a boot program download function and a method thereof for saving mass production cost and mass production time by booting.

In the present invention, the portable terminal is not only a wireless communication terminal such as a mobile communication terminal, a personal mobile communication terminal (PCS), a personal digital terminal (PDA), a smart phone, a next generation mobile communication terminal (IMT-2000), a wireless LAN terminal, etc. Portable terminal).

In the following example, a wireless communication terminal will be described as an example.

On the other hand, there may be various advantages of the wireless communication terminal, but above all, it can be said that the greatest advantage in the mobility provided to the user to call. Due to this mobility, the number of wireless communication subscribers has increased exponentially, and in recent years, wireless communication terminals are widely used by the general public.

As the wireless communication terminal is widely used and mass-produced by the public as described above, the cost of developing the wireless communication terminal and flexibility to cope with any situation are becoming important issues.

Meanwhile, in mass production of the wireless communication terminal, after completing the hardware part of the wireless communication terminal, the wireless communication terminal must be booted to develop a software part, and in order to boot the wireless communication terminal, The boot program must be stored in memory.

In general, in order to store a program in a memory of a wireless communication terminal, a program must be downloaded from an external device.

Here, downloading generally refers to the process of writing some data into memory. When the wireless communication terminal is booted, it can be downloaded in various ways without expensive download equipment.

However, when no data is initially written to the memory, that is, when no boot program is written to the memory by default, there is no way to boot the wireless terminal. Download the boot program to the wireless communication terminal.

In other words, since the booting program cannot be downloaded to the wireless communication terminal without the download equipment, the development or mass production of the wireless communication terminal is impossible. Therefore, such expensive download equipment is an essential facility for companies developing or producing wireless communication terminals.

On the other hand, even when the wireless communication terminal is mass-produced and in use, even if the contents of the wireless communication terminal memory are all erased or a specific area in which the boot program is stored, the booting program is downloaded again using the expensive download equipment as described above. Should receive

1 is a view for explaining a program download method using a conventional download equipment.

In the following embodiment, a case where the external device that controls the download device is a computer will be described as an example.

As shown in FIG. 1, a computer providing a program to download is connected to a download device through a communication cable, and the download device is also connected to a wireless communication terminal through a communication cable.

The computer runs a control program for controlling the download equipment. Under the control of the control program, the download device transmits a boot program to a memory of the wireless communication terminal so that the wireless communication terminal downloads.

On the other hand, the cost of downloading equipment generally ranges from hundreds to tens of thousands. Therefore, there are many restrictions to purchase such expensive equipment, and it is impossible to purchase and use such equipment for each individual. This consumes a considerable amount of time and money in the development, production, and repair of wireless communication terminals.

Therefore, there is an urgent need for a method that enables anyone to easily download the initial wireless communication terminal without such expensive equipment.

The present invention has been proposed in order to solve the above problems, by downloading a boot program from an external device without expensive download equipment to boot the portable terminal to save mass production costs and mass production time, portable having a boot program download function Its purpose is to provide a terminal and a method thereof.

Other objects and advantages of the present invention can be understood by the following description, and will be more clearly understood by the embodiments of the present invention. Also, it will be readily appreciated that the objects and advantages of the present invention may be realized by the means and combinations thereof indicated in the claims.

According to an aspect of the present invention, there is provided a portable terminal, comprising: first control means for receiving a boot program and a control program from an external device, storing the booting program and the control program in a first storage means, and resetting the second control means; The first storage means for storing a control program and a boot program according to the control of the first control means; Booting the portable terminal by mounting a boot program reset by the first control means and stored in the first storage means in a second storage means, and using the control program stored in the first storage means. The second control means for controlling the operation of the portable terminal; The second storage means for mounting a boot program and a control program of the first storage means according to the control of the second control means; And connection means for receiving a plurality of programs from the external device under control of the second control means.

In addition, the method of the present invention, the boot program download method in a portable terminal, the first control means for receiving a boot program from an external device to store in the first storage means; Resetting the second control means by the first control means; Booting the portable terminal by the second control means using a booting program stored in the first storage means; Receiving, by the first control means, the control program from the external device and storing the control program in the first storage means; And controlling, by the second control means, the operation of the portable terminal using a control program stored in the first storage means.

The above objects, features and advantages will become more apparent from the following detailed description taken in conjunction with the accompanying drawings, whereby those skilled in the art may easily implement the technical idea of the present invention. There will be. In addition, in describing the present invention, when it is determined that the detailed description of the known technology related to the present invention may unnecessarily obscure the gist of the present invention, the detailed description thereof will be omitted. Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

2 is a configuration diagram of an embodiment of a wireless communication terminal having a boot program download function without equipment according to the present invention.

As shown in FIG. 2, a wireless communication terminal having a boot program download function without equipment according to the present invention receives a boot program and a control program from an external device, and stores the boot program and a control program in a first storage unit 230, and a second control unit. The first control unit 210 for resetting 220, the first storage unit 230 for storing a control program and a booting program under the control of the first control unit 210, and the first control unit 210. A control program stored in the first storage unit 230 to boot the wireless communication terminal by loading the boot program stored in the first storage unit 230 and reset in the second storage unit 240. Under the control of the second control unit 220, the second control unit 220 for controlling the operation of the portable terminal using the boot program and the control program of the first storage unit 230 is executed Under the control of the second storage unit 240, and the second controller (220) for mounting over and a connecting portion 250 for receiving a plurality of transfer programs from the external apparatus.

The first control unit 210 may be implemented using a Jtag (Joint Test Action Group: "Jtag") port.

Here, Jtag is a port designed to test the connection between components after PBA (Printed Board Assembly) assembly and to test the defects of sub-blocks in each component.

That is, Jtag can communicate with components of the wireless communication terminal even if the wireless communication terminal is not booted, and can also communicate with an external device.

Accordingly, Jtag, the first control unit 210, receives a boot program and a control program from an external device in a state where the wireless communication terminal is not booted and stores the boot program and the control program in the first storage unit 230 to store the second control unit 220. Allows the wireless communication terminal to boot using the stored boot program and the control program.

In addition, Jtag can control all connected external devices through a boundary scan. In addition, the Jtag resets an ARM (hereinafter referred to as "ARM") which is a main element of a flash memory and a wireless communication terminal processor.

The second control unit 220 may be implemented with an ARM which is a main element of the wireless communication terminal processor. That is, the second controller 220 is reset under the control of the first controller 210.

In addition, the connection unit 250 is referred to as the second control unit 220 by using the control program USB (Universal Serial Bus: "USB") or UART (Universal Asynchronous Receiver / Transmitter: "UART") ) As you set up the function, you can receive the program from the external device via USB or UART cable.

The first storage unit 230 may be implemented using a flash memory capable of storing and erasing an operation program, a system program, and a boot program of the second control unit 220. The booting program and the system program stored in the first storage unit 230 are programs received by the first control unit 210 from an external device.

The second storage unit 240 may include RAM for temporarily storing data generated during execution of various operation programs. That is, the second storage unit 240 uses the booting program stored in the first storage unit 230 by the second control unit 220 to boot the wireless communication terminal or by using a control program. The booting program or the control program is temporarily stored (mounted) when controlling the operation of the wireless communication terminal.

3 is a flowchart illustrating a boot program download method in a wireless communication terminal according to the present invention.

First, the first control unit 210 receives a booting program from an external device and stores the booting program in the first storage unit 230, and then the second control unit 220 stores the wireless communication terminal using the received booting program. The second control unit 220 is reset (310) to boot. In this case, the first controller 210 receives a boot program from the external device using a parallel cable.

Thereafter, the second control unit 220 reset by the first control unit 210 boots the wireless communication terminal using the boot program (320). This is possible by allowing the second control unit 220 to repeatedly mount the boot program of the first storage unit 230 in the second storage unit 240.

Thereafter, the first control unit 210 receives a control program from an external device and stores the control program in the first storage unit 230 (330).

As described above, as the control program is stored in the first storage unit 230, the second control unit 220 sets the USB or UART function of the wireless communication terminal and controls the operation using the control program ( 340). In this case, the second control unit 220 mounts the control program in the second storage unit 240 to be executed.

As described above, by receiving a booting program from an external device using the first control unit 210, which is Jtag, the wireless communication terminal can boot without expensive download equipment, and thus the mass production cost and mass production of the wireless communication terminal. You can save time.

As described above, the method of the present invention may be implemented as a program and stored in a recording medium (CD-ROM, RAM, ROM, floppy disk, hard disk, magneto-optical disk, etc.) in a computer-readable form. Since this process can be easily implemented by those skilled in the art will not be described in more detail.

The present invention described above is capable of various substitutions, modifications, and changes without departing from the technical spirit of the present invention for those skilled in the art to which the present invention pertains. It is not limited by the drawings.

The present invention as described above, by using the Jtag port to download a boot program from an external device without expensive download equipment, there is an effect that can reduce the mass production cost and mass production time of the portable terminal.

Claims (4)

In a portable terminal, First control means for receiving a boot program and a control program from an external device and storing the booting program and the control program in the first storage means, and for resetting the second control means; The first storage means for storing a control program and a boot program according to the control of the first control means; Booting the portable terminal by mounting a boot program reset by the first control means and stored in the first storage means in a second storage means, and using the control program stored in the first storage means. The second control means for controlling the operation of the portable terminal; The second storage means for mounting a boot program and a control program of the first storage means according to the control of the second control means; And Connection means for receiving a plurality of programs from the external device under the control of the second control means A portable terminal having a boot program download function without any equipment including a. The method of claim 1, The first control means, Portable terminal having a boot program download function without equipment, characterized in that the jtag port. The method of claim 2, The first control means, A portable terminal having a boot program download function without equipment, characterized by receiving a boot program and a control program through a parallel cable. In the booting program download method in a portable terminal, Receiving, by the first control means, a booting program from an external device and storing the booting program in the first storage means; Resetting the second control means by the first control means; Booting the portable terminal by the second control means using a booting program stored in the first storage means; Receiving, by the first control means, the control program from the external device and storing the control program in the first storage means; And Controlling the operation of the portable terminal by the second control means using a control program stored in the first storage means; Boot program download method in a portable terminal comprising a.

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