KR100531774B1 - Ethernet Data Communication Method - Google Patents

Abstract

The present invention relates to a data communication method of Ethernet, and when the main power of the terminal system is turned off, the local power supply unit for supplying power to the Ethernet card is added, and the microcomputer embedded in the Ethernet card checks the on condition and When it is on, it runs and adds a program to control the Ethernet driver and main power. In addition, add a non-OS program, that is, an FTP server program, existing at a fixed location on the terminal hard disk drive. In operation, when the main power of the terminal system is turned off, the local power supply is turned on to supply power to the Ethernet card. At this time, the microcomputer in the Ethernet card checks the on condition. That is, it is determined whether the power is supplied from the main power supply unit or the power supply from the local power supply unit. If the power is supplied from the local power supply unit, the Ethernet driver is driven to initialize the device. Packet detection and interface are performed, and the interrupt status register is checked by a polling method, and if there is data inputted to itself, the controller outputs a control signal for turning on the main power of the terminal. At this time, the BIOS of the terminal system checks the power-on condition and, if it is caused by the Ethernet microcomputer, loads the NON-OS program. Accordingly, the FTP server program decodes the input data, sends an appropriate response, terminates the connection if there is no data input for a predetermined time, and then informs that the file has been received when the user turns on the main power of the terminal system. In this way, the interface between the microcomputer of the Ethernet card and the FTP server of the hard disk driver in the terminal system enables data communication with the outside even when the main power is turned off.

Description

Ethernet data communication method

The present invention relates to an Ethernet card for operating a data processing communication network. The present invention relates to an Ethernet data communication method that enables data communication by detecting a packet coming into the terminal system even when the main power of the terminal system is turned off.

With two FTP terminals installed, you can perform FTP from one network terminal to the other network terminal.

At this time, if the terminals are connected by 802.3 / 10BASE-T for Ethernet, one of the basic advantages of the physical interface of 802.3 / 10BASE-T for Ethernet can be permanently monitored. Is there.

Referring to FIG. 1 which shows a block diagram of a media access controller incorporating a 10 base-T Ethernet controller in relation to data communication of a network using the 10 base-T for Ethernet, the prior art will be described as follows.

When in the 'connected good' state, the 10 base-T transceiver needs to output the link status signal (LNKST) for this purpose.

The media access controller (MAC) 30 has a 10 base-T transmitter receiver 37 and sends a connection status signal LNKST to the media access controller 30 to regulate power.

By using the programmable AWAKE bit, the receiver of the 10 base-T transmitter 37 remains powered on, even if a sleep input is applied to the media access controller 30.

This causes the 10 base-T transmitter 37 to detect a connection bit pulse or to receive a packet drive.

When the reception state is met, the internal 10 base-T transmitter 37 applies the output of the connection state signal LNKST from the media access controller 30.

The system hardware / software can use the output of the link status signal LNKST to take proper action.

For example, when the connection status signal LNKST is applied (low), the computer is connected to the mobile communication network, and the operating system keeps the media access controller 30 in the powered state.

However, if the connection status signal LNKST becomes non-high (high), the system considers the connection to be stopped, and the media access controller 30 can be cut off to save power.

If the connection is reestablished later, the media access controller 30 is powered by taking advantage of the communication channel.

As described above, the conventional physical interface of 802.3 / Ethernet 10 BASE-T can periodically detect a communication connection state or receive a packet drive by using the link state signal LNKST, but it can receive 80BASE / Ethernet 10 BASE-T. Since the power of -T is supplied from the main power of the network terminal, when the network terminal is turned off, the power is cut off and packet detection and data communication cannot be performed.

An object of the present invention is to solve the conventional problems, to supply power to the Ethernet card in the local power supply unit additionally provided when the main power off of the terminal system, the microcomputer embedded in the Ethernet card even when the main power off Ethernet data communication which enables data communication even when the main power of the terminal system is turned off by controlling the system to detect an input packet which is turned on by the local power supply and to respond accordingly. To provide a method.

The Ethernet data communication method for achieving the object of the present invention comprises a local power supply for supplying power to the ethernet card when the main power off of the terminal system and a microcomputer built in the Ethernet card, the power to the Ethernet card A first step of determining whether the power is supplied by the local power supply unit if it is supplied; A second step of initializing the Ethernet card and checking whether there is input data when the determination result of the step is power supply by the local power supply unit; A third step of turning on a main power supply of the terminal system if there is data inputted as a result of the inspection of the second step; In the third step, when the main power of the terminal system is turned on, the fourth step is to execute the FTP server program, which is a non-OS program, to decode the input data and send a response thereto.

Hereinafter, the operation and effect of the present invention will be described with reference to FIG. 2, which shows a flowchart of the data communication operation of the present invention Ethernet.

First, it is installed when the main power of the terminal system is turned off to install a normal local power supply for supplying power to the Ethernet card.

In addition, the microcomputer embedded in the Ethernet card checks the power-on condition and adds a program that is driven when the local power supply is turned on to control the main power supply of the Ethernet driver and the terminal system.

A NON-OS program, that is, an FTP server program, which is executed when a power-on signal is input from the microcomputer in the Ethernet card is added to exist in a fixed position of the terminal hard disk driver (HDD).

The operation in the state configured as described above is as follows.

First, when the main power of the terminal system is off, the local power supply is turned on to supply power to the Ethernet card.

At this time, the microcomputer in the Ethernet card checks the ON condition. That is, it is determined whether the power is supplied from the main power supply of the terminal system or from the local power supply.

As a result of the determination, if the power is supplied from the local power supply unit, the Ethernet driver is driven to initialize the device.

Packet detection and interface are performed by polling the interrupt status register to check whether there is data input to it.

If there is data input as a result of the inspection, a control signal for turning on the main power of the terminal system is output.

Accordingly, the BIOS of the terminal checks the power-on condition and if it is caused by the microcomputer in the Ethernet card, the OS program is not called, but the non-OS program, that is, the FTP server. Invoke the program.

The non-OS program is a program that is executed while only hardware of the terminal system is turned on and the OS program is not loaded.

When the FTP server program is executed as described above, the FTP server program decodes the input data and sends an appropriate response.

After that, if there is no data input for a certain time, the connection is terminated. Then, when the user turns on the main power of the terminal system, it notifies that the file has been received.

As such, when the main power of the terminal system is turned off, a local power supply unit for driving and supplying power to the Ethernet card is added, and a microcomputer is built in the Ethernet card, and if there is input data, the main power of the terminal system is turned on. ON), but the non-OS program is executed so that the interface between the microcomputer of the Ethernet card and the FTP server program of the hard disk driver (HDD) in the terminal can be transmitted so that the non-OS program can be executed. In addition, there is an effect that can communicate data with the outside.

1 is a block diagram of a media access controller incorporating a conventional 10 base-T Ethernet controller.

2 is a flowchart of data communication operation of Ethernet according to the present invention;

Claims (2)

A local power supply unit for supplying power to the Ethernet card when the main power of the terminal system is turned off, and a microcomputer embedded in the Ethernet card, and determining whether the power supply is supplied by the local power supply unit when power is supplied to the Ethernet card. Steps; A second step of initializing the Ethernet card and checking whether there is input data when the determination result of the step is power supply by the local power supply unit; A third step of turning on a main power supply of the terminal system when there is data inputted as a result of the inspection of the second step; In the third step, when the main power of the terminal system is turned on, the fourth step is to execute the FTP server program, which is a non-OS program, to decode the input data and send a response accordingly. Communication method. The method of claim 1, further comprising: determining whether the main power ON condition of the terminal system is caused by a microcomputer in the Ethernet card; If the determination resulted by the microcomputer in the Ethernet card, further comprising the step of executing an FTP server program, which is a non-OS program, which only turns on the hardware of the terminal system and does not load an OS program. Way.

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