WO2007121617A1

WO2007121617A1 - A network data communication method and means for a portable intelligent device

Info

Publication number: WO2007121617A1
Application number: PCT/CN2006/000961
Authority: WO
Inventors: Jinjing Zhang; Yi Zhao; Chuan Wang; Jintao Li; Jiequan Yu; Haitao Jiang; Lichao Wang; Qichun Chen; Shiang Sun; Haiqing Gao; Jianan Qian
Original assignee: Jinjing Zhang; Yi Zhao; Chuan Wang; Jintao Li; Jiequan Yu; Haitao Jiang; Lichao Wang; Qichun Chen; Shiang Sun; Haiqing Gao; Jianan Qian
Priority date: 2006-04-20
Filing date: 2006-05-15
Publication date: 2007-11-01

Abstract

A network data communication method and means for a portable intelligent device includes a controller module, a Bluetooth module, an USB module, a liquid crystal module, a matrix keyboard module, a real time clock module, a buzzer module, a power supply module and a network interface module. Under the control of the application program, the network data communication means receives the commands and/or data from the portable intelligent device via Bluetooth or USB, and exchanges the data information with the external network device according to the destination address designated by the commands and/or data; the network data communication means can set and store the network user name and password, the destination IP address, control the exchange of the network data information with the corresponding network device, and also can receive and store or unload the network interactive data and in-devices interactive data. Present invention is an open-type intelligent network data communication means. It has a small volume, and its operation is simple. It can be used to access to external networks by various hand-held and portable intelligent devices and exchange the network data information.

Description

Network data communication method and device for portable intelligent device

Technical field

The present invention relates to the field of network digital communications, and in particular, to a network data communication method and apparatus for a handheld and portable smart device.

Background technique

In recent years, with the rapid development of network technology and electronic industry technology, various handheld and portable smart devices have entered various fields of society, and the network has spread to family houses and public places. Handheld, portable smart devices such as smart medical monitoring devices, smart industrial measuring devices, semiconductor mobile storage devices, PDAs, PDAs, digital mobile phones, personal multimedia players, handheld game consoles, digital cameras, digital video cameras, and personal data processing devices Most of them have standard Bluetooth wireless data communication function or USB data communication function. However, the data communication function of these devices requires access to a computer PC to exchange network data information, and cannot directly exchange data information with an external network. The computer PC requires the user to have considerable professional knowledge and complicated operations, which limits the user's use of portable. The data communication function of the smart device, the user in a public place or in the home, or in the case of many without a computer PC, or in the inability to operate the computer PC, requires an easy to use network data communication device.

Summary of the invention

In order to solve the deficiencies of the above technologies, an object of the present invention is to provide a network data communication method and device for a portable smart device, which adopts technologies such as Bluetooth, USB, and network data communication, and provides portable smart devices with ease of use and portability. a network data communication device capable of accessing an external network, wherein the portable smart device connects to the network data communication device via Bluetooth or USB to exchange data information with an external network device.

The present invention is implemented by the following technical solution, a network data communication method for a portable smart device, comprising the following steps:

(1) The network data communication device is equipped with an Ethernet protocol, a MAC address, a USB protocol, a TCP/IP protocol, a PPP protocol, an application layer FTP protocol, a POP protocol, an SMTP protocol, and control data processing, network data communication, Page browsing, curing application software for mail services;

(2) transmitting commands and/or data between the portable smart device and the network data communication device in accordance with a specification method specified by the Bluetooth or USB standard;

(3) The network data communication device accesses the external network according to the TCP/IP protocol, the Ethernet protocol, and the specification method specified by the PPP protocol, and performs network data information exchange;

(4) The application stores/reads data information of network interaction or data information exchanged between devices according to the FAT16 format; (5) The network data communication device establishes a TCP connection with the corresponding external network device according to the destination address in the command and/or data, and performs data information exchange. The object of the present invention can also be further achieved by the following technical solutions: A network data communication device for a portable smart device, comprising a controller module (1), the module comprising a network processor integrated circuit, a program memory integrated circuit, a data memory Integrated circuit, buffered data memory integrated circuit; Bluetooth module (2), the module includes a Bluetooth integrated circuit, a band pass filter, a balun; a USB module (3), which includes a USB master-slave inside the network processor integrated circuit Controller, USB transceiver integrated circuit, working mode control circuit, USB connector; liquid crystal module (4), the module includes a liquid crystal driving integrated circuit and a liquid crystal screen; a matrix keyboard module (5), the module includes a key keyboard and a pull-up a real-time clock module (6), the module includes a real-time clock integrated circuit, a diode switch circuit, a backup battery, a network interface module (9), the module includes a transmission line transformer and an RJ45 plug; the network processor integrated circuit and the Bluetooth respectively Integrated circuit, USB transceiver integrated circuit, a sequential memory integrated circuit, a data memory integrated circuit, a buffered data memory integrated circuit, a keypad, a real-time clock integrated circuit, and a transmission line transformer input terminal; the RJ45 plug input terminal is connected to the transmission line transformer output end, and the output terminal is connected to the external network terminal interface; The network data communication device is driven by application software firmware that is solidified in the controller module (1).

The working principle of the present invention is that the network data communication device is connected to an external network terminal interface, and sends a MAC address and/or a network user name and password to access an external network. Under the control of the application, the network data communication device receives the portable intelligence. The commands and/or data sent by the device through Bluetooth or USB are sent to the buffered data memory, and the network processor integrated circuit processes the data, and establishes a TCP end with the corresponding external network device according to the destination IP address in the command and/or data. The connection to the end, sending data information, and receiving the data information sent back by the external network device, processed by the network processor integrated circuit, and then sent to the portable intelligent device via the main unit Bluetooth or the main USB interface to complete the exchange of network data information. Under the control of the application, the network data communication device can set user information data such as a storage network user name and password, a destination IP address, and the like through a matrix keyboard, and control the network data communication device and the set destination IP address to perform network. data communication. The application controls data information for receiving and storing network interactions or data information for interaction between devices via Bluetooth or USB, and can be transferred to the various types of handheld, portable smart devices.

The invention has the following technical advantages: It is an open intelligent network data communication device, and the portable intelligent device connects to the network data communication device via Bluetooth or USB, and does not need to access a PC computer to implement network data communication; the network data communication device can be set Storage network user name and password, destination IP address, MMS digital mobile phone address and other user information data, control and set destination IP address for network data information exchange or send, receive read mail; can receive storage and transfer network interaction Data information or data information exchanged between devices via Bluetooth or USB; the main unit Bluetooth of the network data communication device can wirelessly access multiple portable smart devices or other Bluetooth devices at the same time, and can be used for wireless access in public places and homes. Network hotspot (AP). The invention is small in size and simple in operation, and has Good field mobility features for any handheld, portable smart device that supports Bluetooth or USB. DRAWINGS

Figure 1. Main program flow chart;

Figure 2. Timed interrupt service subroutine;

Figure 3. Port Interrupt Service Routine

Figure 4. Receiving the read mail service subroutine;

Figure 5. Send mail service subroutine;

Figure 6. Bluetooth data file network communication subroutine;

Figure 7. USB data file network communication subroutine;

Figure 8. Internal storage data network communication subroutine;

Figure 9. Network interaction data and device interaction data receiving storage subroutine;

Figure 10. Block diagram of the network data communication device;

Figure 11. Schematic diagram of the Bluetooth module and USB module, LCD module circuit;

Figure 12. Schematic diagram of program memory and data memory, buffered data memory circuit;

Figure 13. Circuit diagram of the network interface module;

Figure 14. Schematic diagram of the real-time clock module circuit;

Figure 15. Schematic diagram of the matrix keyboard module circuit.

Specific implementation method:

The present invention will be further described in detail below with reference to the accompanying drawings and embodiments.

A network data communication method for a portable smart device, comprising a method of establishing a Bluetooth or USB data communication link between a portable smart device and the network data communication device, establishing between the network data communication device and an external network device A method of data information exchange channels and a method of controlling network data information exchange and data storage.

The network data communication method further includes an Ethernet protocol, a MAC address, a USB protocol, a TCP/IP protocol, a PPP protocol, and an application layer FTP protocol for installing the application software and controlling the network data communication in the network data communication device. , POP protocol, SMTP protocol. The firmware application software is installed in the controller module (1), including a main program, a timer interrupt service subroutine, a port interrupt service subroutine, a mail receiving read service subroutine, a mail sending service subroutine, and a Bluetooth data file network communication. Subprogram, USB data file network communication subroutine, internal storage data network communication subroutine, network interaction and device interaction data receiving storage subroutine for completing data processing, network data communication, page browsing, mail service, keyboard operation or other Features. The application also has the function of identifying, judging, executing commands and/or data, judging the command and/or data source path and type, and performing different operations according to the judgment result, and the application flow chart is shown in FIG. 1 to FIG. .

The Ethernet protocol, MAC address, USB protocol, TCP/IP protocol, PPP protocol, and application layer FTP protocol, The POP protocol and the SMTP protocol are installed in the controller module (1), and the application program invokes a corresponding application layer protocol according to a network data communication mode set by the user to implement mail transmission communication or data file transmission communication. The controller module (1) may also embed an application layer hypertext transfer protocol HTTP or a real-time transport protocol RTP and a control protocol RTCP for supporting the portable smart device to transmit or receive streaming media data, and receiving, under the control of the application, The streaming media data can be stored internal to the network data communication device and then transferred to the portable smart device as needed.

The network data communication method further includes a method for setting a working mode of the network data communication, wherein, under the control of the application program, the user operates the matrix keyboard to set a network data communication working mode, and respectively set the mail receiving/sending, external/ Internally stored data files, network data communication, network/device interaction data reception and storage, internal data transfer and other working modes. After the working mode is set, the application controls the network data communication device to enter various working states.

As shown in FIG. 1, FIG. 2, and FIG. 3, the application software works according to the process, completes initialization of the network data communication device, starts a Bluetooth search timer, and opens a port interrupt, enters a sleep state, and receives the When the portable smart device disconnects the signal from the unit Bluetooth, the wake-up controller module works, sends a MAC address/or network username and password to access the external network, and receives commands and/or data sent by the portable smart device. And sent to the buffer data storage, the application reads the cache data, according to the network communication mode set by the user, invokes the network communication protocol to be used, according to the destination IP address in the command and/or data and the corresponding external network. The device establishes a TCP connection for data information exchange.

As shown in FIG. 3, the network data communication method further includes: the application control matrix keyboard inputting a method for storing user setting information data, where the application program recognizes a Chinese pinyin or stroke input by a keyboard when receiving a matrix keyboard interrupt signal Or English letters, call the font related content, function key confirmation, stored in the data memory Flash user information setting storage area, user information data including but not limited to network user name and password, destination IP address, MMS digital mobile phone address.

The commands and/or data are divided into two types, which may be custom commands and/or data from a dedicated device, or may be standard commands and/or data from a general-purpose device, the custom commands and/or data including However, it is not limited to the network user name and password, and the destination IP address. The application reads the network user name and password, and the destination IP address, and is used to access the external network to establish a TCP connection with the network device. The standard operation command and/or data does not carry a network user name and password, a destination end IP address, and when the application receives standard operation commands and/or data, the application automatically sets the stored network user name and password, and the destination end. IP address, exchange data information with the corresponding external network device.

As shown in FIG. 4, the network data communication method further includes the method for the network data communication device to receive a read mail, and when the method for receiving a read mail is executed, the operation includes the following steps -

(1) inputting a user's email address and password, and the application starts receiving a read mail command;

(2) The application calls the POP protocol and the mail server address, establishes a TCP connection with the mail server, and issues a request confirmation message; (3) Authenticating the mailing list by mail server authentication;

(4) The application receives the mail and stores it in the data storage flash data storage area;

(5) Read the mail. As shown in FIG. 5, the network data communication method further includes a method for the network data communication device to send a mail, where the sent data file may be from the portable smart device data file, or may be the network data communication. The data file stored inside the device, when the method of sending the mail is performed, the operation includes the following steps --

(1) input the destination email address to be sent, and the application starts a mail sending command;

(2) reading the data file to be sent;

(3) The application calls the SMTP protocol and the mail server address, establishes a TCP connection with the mail server, and issues a request confirmation message;

(4) The mail server replies with the confirmation information, and the application program performs data format conversion according to the mail format;

(5) Execute the send mail command.

As shown in FIG. 2 and FIG. 6, the network data communication method further includes a Bluetooth point-to-point and a point-to-multipoint wireless data communication method of the main unit of the network data communication device, and after the application is initialized, the network data is The communication device enters a sleep state, activates a Bluetooth search timer, and when the portable smart device slave unit is searched for, the two perform ID authentication pairing, and the authentication succeeds to mutually retain the information of the storage partner; the portable smart device slave unit Bluetooth Initiating a connection with the main unit of the network data communication device, Bluetooth, for data communication. Under the control of the application, commands and/or data received by the main unit Bluetooth are sent to the buffer data memory, and the application controls the network processor circuit to read the cache data, which is required according to the network data communication mode set by the user. The network communication protocol used, establishes a TCP connection with the corresponding network device according to the destination IP address in the command and/or data, and exchanges data information; the data information sent back by the external network device is sent to the network processor circuit through the network interface module. Processing is transmitted to the portable smart device via the main unit Bluetooth.

When there are a plurality of the portable smart device slave unit Bluetooth, the network data communication device main unit Bluetooth responds to the plurality of slave units Bluetooth, respectively performs ID authentication pairing, the main unit Bluetooth initiates and the plurality of slave units Bluetooth Establishing a connection, the application control buffer data storage respectively establishes a buffer data storage area for each slave unit Bluetooth data, and invokes a network communication protocol required to be invoked according to a network data communication mode set by the user, according to the purpose specified by the user. The end IP addresses are respectively in data communication with the corresponding network devices, and can be used in public places and homes as hotspots (APs) of the Bluetooth wireless access network.

As shown in FIG. 9, the network data communication method further includes network interaction data information or a method for receiving and storing interaction data between devices, where the data memory Flash of the network data communication device is divided into the application addressing control. User information setting storage area, word storage storage area, data storage area, data storage area for storing data information of network interaction and setting Data information exchanged between Bluetooth and USB, including but not limited to various control commands, text, images, audio, video data files. When performing network interaction data information or a receiving storage method of inter-device interaction data information, the operation includes the following steps:

(1) The application program controls the network data communication device to enter an interactive data reception storage state;

(2) receiving data information of the download network interaction / or interaction between devices, and feeding the buffer data memory SDRAM;

(3) The application reads the cache data and stores it in the data memory Flash data storage area according to the FAT16 format. As shown in FIG. 6 and FIG. 7, the network data communication method further includes a network data communication method of an external data file, and the external data file is mainly from the portable smart device, and is transmitted to the network data through Bluetooth or from a USB interface. The communication device, when performing the network data communication method of the external data file, the operation includes the following steps:

(1) the portable smart device Bluetooth or the network data communication device Bluetooth or the main USB connection P from the USB interface;

(2) the application reads a data file transmitted by the portable smart device, and displays a list of all files on the liquid crystal;

(3) selecting to determine a file to be sent, the application initiating a network data communication command;

(4) The application calls the FTP protocol to read the destination IP address;

(5) Establish a TCP control connection with the destination network device, send a username and password, establish a data connection, and send data;

(6) requesting to return a current file list of the destination network device, retrieving the current directory file, triggering the network device to initiate a data connection and transmitting the selected file data;

(7) receiving the download data, and sending it to the buffer data memory SDRAM;

(8) The application reads the cached data and sends it to the portable smart device.

As shown in FIG. 8, the network data communication method further includes a network data communication method for storing a data file inside the network data communication device, and the internal storage data is mainly various data files stored in the network data communication device. Including but not limited to text, image, audio, video data files, when performing a network data communication method of internally storing data, the operation includes the following steps:

(1) The application reads the data memory Flash data storage area data file and displays all file lists on the liquid crystal;

(2) selecting to determine a data file to be sent, the application initiating a network data communication command;

(3) The application calls the FTP protocol to read the destination IP address;

(4) Establish a TCP control connection with the destination network device, send a username and password, establish a data connection, and send data;

(5) requesting to return the current file list of the destination network device, retrieving the current directory file, triggering the network device to initiate a data connection and transmitting the selected file data; (6) receiving the download data, and sending it to the buffer data memory SDRAM;

(7) The application reads the cache data and stores it in the data memory Flash data storage area.

The network data communication method further includes a method for depositing a data file stored in the network data communication device, and is mainly used for writing an internal storage data file to the portable smart device, and executing a method for storing internal storage data information The operation includes the following steps:

(1) the application program controls the network data communication device to enter a dump state;

(2) the portable smart device Bluetooth or a Bluetooth or main USB interface connected to the network data communication device from a USB interface;

(3) The application reads data of the data memory Flash data storage area and writes the data to the portable smart device data storage.

The network data communication method further includes a setting method of a master-slave state of the USB module of the network data communication device, an operation mode control circuit in the USB module (3) controls selection of a USB master-slave operation mode, and a working mode control circuit sets a high power Normally, the USB module works in the main USB mode state, and when the working mode control circuit is set low, the USB module operates in the slave USB mode state.

The network data communication method further includes a method of "sleeping" and "waking up" of the network data communication device, wherein the power consumption of the network data communication device decreases during "sleep", and "wake up" and enters a normal working state. Under the control of the application, after the initialization is completed, the network data communication device enters a "sleep" state, and simultaneously initiates a Bluetooth search timer and a port interrupt, and the portable smart device initiates a connection from the unit Bluetooth or has a USB connection. When the USB data interface of the network data communication device issues an interrupt signal, the application "wakes up" the controller module to operate.

The network data communication method, and the function of the liquid crystal indicating the working state of the network data communication device, respectively, using text, symbols, letters, numbers, graphics or a combination thereof to respectively represent various working states and set user information data, The display data file list, the network interaction data information, and the inter-device interaction data information may also be scrolled or frozen; the application controls the liquid crystal circuit to generate a Bluetooth or USB link when the network data communication device and the portable smart device establish a Bluetooth or USB link. The portable smart device connection identifier, the connection identifier automatically disappears when the network communication ends.

The network data communication method further includes a method of setting a "write protection" function, the application control matrix keyboard sets "write protection", and displays a prompting user on the liquid crystal, so that the network device cannot rewrite or erase the The content in the network data communication device and the portable smart device protects the data information stored by the user, and at the same time prevents virus intrusion and occupies data storage space.

The network data communication method further includes a fault warning function, and the application program controls the buzzer circuit to emit a bee when the network data communication is interrupted, the Bluetooth or USB data transmission is interrupted or interfered, the internal storage space is saturated, the voltage is insufficient, and the like The warning is given, and the user is prompted to give text and graphics on the LCD screen.

The network data communication device accesses the network and exchanges data information, and uses an existing Ethernet protocol, a TCP/IP protocol, The PPP protocol, the FTP protocol, the POP protocol, the SMTP protocol, and the specification methods specified by the Bluetooth and USB standards are not described herein.

A block diagram of a hardware structure of a network data communication device for a portable smart device is shown in FIG. 10, and includes a controller module (1), a Bluetooth module (2), a USB module (3), a liquid crystal module (4), Matrix keyboard module (5), real-time clock module (6), buzzer circuit module (7), power module (8), network interface module (9).

As shown in FIG. 10 and FIG. 12, the controller module (1) of the present invention includes a network processor integrated circuit, a program memory integrated circuit, a data memory integrated circuit, a buffered data memory integrated circuit, a network processor integrated circuit or IP3023, program memory integrated circuit or flash AM29LV033C, data memory integrated circuit or flash NAND01G, buffer data memory integrated circuit or SDRAM MT48LC32M16A, IP3023 data / address line PA16-PA31 connection buffer data memory MT48LC32M16A data line D0-D15, IP3023 PA0-PA14 is connected to MT48LC32M16A address line A0-A12, IP3023 PB0-PB3 is connected to MT48LC32M16A control terminal WE, RAS, CAS, CS, IP3023 data/address line PA24-PA31 is connected to program memory AM29LV033C data line D0-D7, IP3023 PA0-PA21 is connected to AM29LV033C address line A0-A21, IP3023 PA22, PA23, PB7 is connected to AM29LV033C control terminal OE, WE, CE, IP3023 data/address line PA24-PA31 is connected to data memory Flash NANDO 1G data line D0- D7, IP3023 PD6, PD7, PD8, PD9, PA22, PA23 are connected to NAN DO 1G control terminals /E, AL, CL, /RB, /RD, /WR. Data memory Flash or K9K8G08U1M- PCB0, the corresponding pins are connected according to their labels.

As shown in FIG. 11, the Bluetooth module (2) of the present invention comprises a Bluetooth integrated circuit, a bandpass filter for a 2.4G bandpass filter, a balun and an antenna, a Bluetooth integrated circuit or a UART with BC313143, BC313143- RX, UART-TX is connected to the network processor integrated circuit IP3023 PORTE TXP, RXD, BC313143 DISCONNECT_COND, DCD_INPUT, PWR_UP connected network processor integrated circuit IP3023 PC0, PC PC3, BC313143 TXA, TXB connection unbalanced transformer On the 3rd and 4th legs of the HHM1517, the 1st leg of the HHM1517 is connected to the 4th pin of the 2.4G filter MDR741F, and the 1st leg of the MDR741F is connected to the antenna.

As shown in FIG. 11, the USB module (3) of the present invention includes a USB master-slave controller, a USB transceiver integrated circuit, a working mode control circuit, a USB connector, and a U SB transceiver inside the network processor integrated circuit IP3023. Use PDIUSBP11A, PDIUSBP11A VP, VM, RCV, VPO, VMO, OE respectively connect network processor integrated circuit IP3023 RXP, RXM, RXD, ΤΧΡ, ΤΧΜ, ΤΧΡΕ, PDIUSBP11A differential mode signal line D+, D- connect USB connection D+ and D- are respectively connected to PD15 and PD16 of IP3023 through a resistor. The working mode control circuit is composed of single-pole double-throw switch K1 and pull-up resistor. K1 is grounded at one end, one end is connected with pull-up resistor, and the middle end is connected with PD10 of IP3023. The other end of the pull-up resistor is connected to the main circuit +3.3V power supply terminal.

As shown in FIG. 11, the liquid crystal module (4) of the present invention comprises a liquid crystal driving integrated circuit TC580VM82A and a matching liquid crystal screen, and the TC580VM82A data lines D0-D7 are respectively connected to the data/address lines of the network processor integrated circuit IP3023. The I/O ports PD0-PD5 of the PA24-PA31 and IP3023 are connected to the control terminals CS, RES, A0, R/W, and SCE of the TC580VM82A, respectively.

As shown in FIG. 15, the matrix keyboard module (5) of the present invention comprises a 4X4 key keyboard circuit and a pull-up resistor R1-R4, and the 4X 4 key keyboard 1-8 pins are respectively connected to the I/O of the network processor integrated circuit IP3023. The PC8-PC15 port constitutes a matrix keyboard, in which PC8-PC11 are respectively connected with pull-up resistors R1-R4, and the other end of R1-R4 is connected to the main circuit +3.3V power supply terminal.

As shown in FIG. 14, the real-time clock module (6) of the present invention comprises a real-time clock integrated circuit MAX6902, a diode switch circuit, a backup battery of 2.7V lithium rechargeable battery, and diodes D1 and D2 of the diode switch circuit adopt RB751V40T1, network processing. The PC16-PC19 of the integrated circuit IP3023 is connected to the control terminals SCLK, DOUT, DIN, CS of the MAX6902, the negative terminal of the diode D1 is connected to the main circuit +3.3V power supply terminal, the positive terminal is connected to the power supply terminal of the MAX6902, and the diode D2 is connected in parallel with a current limiting resistor. Connect the positive pole of the 2.7V lithium battery and connect the positive terminal to the power terminal of the MAX6902.

The buzzer circuit module (7) of the present invention comprises a driving transistor PSS8550 and a buzzer. The I/O port PC16 of the network processor integrated circuit IP3023 is connected to the base of the PSS8550 through a current limiting resistor, and the emitter connection of the PSS8550. The main circuit +3.3V power supply terminal, the PSS8550 collector is connected to one end of the buzzer through a current limiting resistor, and the other end of the buzzer is grounded.

The power module (8) of the present invention includes a power management integrated circuit LM2575-3.3, LM2575-ADJ, and a voltage stabilizing filter circuit, and the LM2575-3.3, LM2575-ADJ 5-pin enable terminal ON/OFF ground, LM2575-3.3, The 1 pin of LM2575-ADJ is connected to the positive power terminal respectively. The 2 pin of LM2575-3.3 is connected to the main circuit +3.3V power supply terminal through the voltage regulator diode D3 and the inductor L1 and the capacitor C1. The LM2575-3.3 pin 4 Connected to the main circuit +3.3V power supply terminal, the 2 pin of LM2575-ADJ is connected to the main circuit +1.2V power supply terminal through the voltage regulator diode D4 and the inductor L2 and the capacitor C2. The 4-pin main circuit of the LM2575-ADJ +1.2V power supply.

As shown in FIG. 13, the network interface module (9) of the present invention comprises a transmission line transformer E2023 and an RJ45 plug. The TXPE end and the TXP end of the network processor integrated circuit IP3023 are respectively connected in series with a resistor connected to the E2023 input terminal 8, IP3023 TXME. Terminals and TXMs are respectively connected in series with a resistor to connect E2023 input terminal 6, IP3023 PFRDP terminal, PFDN terminal in parallel with a resistor to connect E2023 input terminals 1 and 3, E2023 output terminals TXD+, TXD -, RXD +, RXD- are respectively connected to RJ45 plug input terminal 1, 2, 3, 6 feet, RJ45 plug output is used to connect external network terminal interface.

In the embodiment of the present invention, the integrated circuit of each module of the network data communication device adopts a low power CMOS integrated circuit, and the working power supply voltage is +3.3V, and is powered by a 3.7V 800mA rechargeable lithium battery, and the continuous working time is more than 48 hours, continuous standby. For more than 168 hours, it can also be powered by an external power supply that is converted by power.

The controller module (1) of the present invention controls and coordinates the work between the modules of the network data communication device, and completes functions of data processing, network data communication, mail service, user information data input storage, etc., in the controller module. The network processor integrated circuit is embedded with Ethernet protocol, MAC address, USB protocol, TCP/IP protocol and FTP protocol, POP protocol, SMTP protocol, PPP protocol; program memory Flash is used to store the firmware application software; buffer data storage The SDRAM is used to buffer the stored commands and/or data; the data memory Flash is divided into a user information setting storage area, a word storage storage area, a data storage area, and a user information setting storage area for storing under the application addressing control. User setting information data, including but not limited to network user name and password, destination IP address, MMS digital mobile phone address; word library storage area for storing various text fonts, various punctuation marks and numbers; data storage area for storing network Interactive data information and data information exchanged between devices, including but not limited to text, images, audio, video data files. The data memory Flash uses NAND01G, and K9K8G08U1M-PCB0 can also be used to further expand the data storage capacity of the network data communication device.

The controller module (1) of the present invention can be embedded in the application layer hypertext transfer protocol HTTP or the real-time transport protocol RTP and the control protocol RTCP, in addition to the application layer FTP protocol, the POP protocol, and the SMTP protocol. Layer protocols, for various purposes of the network data communication device, have good scalability.

The Bluetooth module (2) of the present invention has two wireless data transmission functions: point-to-point and point-to-multipoint, and transmits commands and commands between the network data communication device and the portable smart device by using a specification method specified by the Bluetooth standard. / or data, using the international 2.4GHz frequency band, wireless communication distance up to 100 meters, with automatic error correction / retransmission function and 79 frequency hopping frequency points, automatic frequency hopping to adjust the digital communication channel, eliminating the same frequency or similar equipment Interference conflicts improve the reliability of data transmission communication.

The USB module (3) of the present invention is controlled by the working mode control circuit to select the master-slave operating mode. When the single-pole double-throw switch K1 sets the PD10 of the IP3023 to a high level, the IP3023 sets the PD15 and PD16 to a high level, and the IP3023 internal USB. The master-slave controller operates in a main USB mode state for connecting to the portable smart device USB interface. When K1 sets IP1023's PD10 to low level, IP3023 sets PD15 to high level, PD16 is low level, IP3023 internal USB master-slave controller works in slave USB mode state, used to connect with computer USB interface, computer through USB interface Data information exchange is performed with the network data communication device. The single-pole double-throw switch K1 can also be replaced by a single-pole double-throw electronic switch, using program software and keyboard trigger control.

The liquid crystal module (4) of the present invention displays the working state of the network data communication device and the data information set by the user under the control of the application program, and can also scroll display or freeze the display data file list and network interaction. Data information and data information exchanged between devices.

The matrix keyboard module (5) of the present invention is used for inputting user information data, and the user information data includes, not limited to, a network user name and password, a destination end IP address, an MMS digital mobile phone address, and can input various types of texts for files. edit. The matrix keyboard includes 0-9 number keys, A-Z letter keys, decimal point keys, punctuation keys, and function keys.

The real-time clock circuit (6) of the present invention provides a calendar and a real-time 24-hour clock for the application, the application reads the date and time of the real-time clock, and marks the date and time for various operations and data information; When the main circuit power supply supplies power to the real-time clock circuit, the diode switch circuit charges the lithium battery. When the main circuit is powered off, the diode switch circuit cuts off the connection between the real-time clock integrated circuit and the main circuit power supply, and the 2.7V lithium battery is a real-time clock circuit alone. powered by. The network interface module (9) of the present invention adopts an internationally-used RJ45 standard plug for establishing a physical connection with an external network terminal interface, including but not limited to a local area network, or ADSL, or VDSL, or Terminal interface for ISDN, or DDN, or FDDI, or cable television communication network, or power line communication network.

The invention relates to an open intelligent network data communication device and has network data or interactive data storage function between devices, and the portable intelligent device connects the network data communication device via Bluetooth or USB to realize network data information exchange, and the portable intelligent device Devices include, but are not limited to, smart medical monitoring devices, or smart industrial measuring devices, or PDAs, or handheld computers, or personal multimedia players, or semiconductor mobile storage devices, or handheld game consoles, or digital cameras, or digital video cameras, or individuals Data processing equipment. The network data communication method and device according to the present invention can also be integrated in the portable intelligent device to implement a network data information exchange function.

The invention has the advantages of small size, low power consumption, simple operation and convenient carrying, and can increase network data communication function and data interaction function between devices for various handheld, portable intelligent devices and digital products, and can be used independently as a network data download memory. It can be used as a hotspot (AP) for wireless access networks in public places, hospital wards, conference rooms, and home Bluetooth devices.

Claims

Claim

A network data communication method for a portable smart device, comprising the following steps -

(4) The application stores/reads data information of network interaction or data information exchanged between devices according to the FAT16 format;

(5) The network data communication device establishes a TCP connection with the corresponding external network device according to the destination address in the command and/or data, and performs data information exchange.

2. The network data communication method for a portable smart device according to claim 1, wherein the command and/or data may be a custom command and/or data, or may be a standard operation command and And/or data; the custom command and/or data includes but is not limited to a network username and password, a destination IP address; the standard operation command and/or data does not carry a network username and password, and a destination IP address.

3. The network data communication method for a portable smart device according to claim 1, further comprising a setting storage method of user information data, wherein the matrix keyboard inputs user information data under the control of the application program The data storage user information setting storage area is included, and the user information data includes but is not limited to a network user name and password, a destination end IP address, and an MMS digital mobile phone address.

4. A network data communication method for a portable smart device according to any of claims 1-3, wherein said application recognizes that said command and/or data is a standard operation command and/or data , automatically set the stored network user name and password, the destination IP address, and exchange data information with the corresponding external network device according to the set destination IP address.

5 . The network data communication method for a portable smart device according to claim 1 , wherein the network data communication device is further embedded in an application layer hypertext transfer protocol HTTP or real-time transport protocol RTP and Controlling the protocol RTCP, the portable smart device is configured to transmit or receive streaming media data, and the received streaming media data may be stored in the network data communication device under the control of the application.

6. The network data communication method for a portable smart device according to claim 1, wherein: The network data communication device has the function of indicating the working state by the liquid crystal, and uses text, symbols, letters, numbers, graphics or a combination thereof to respectively represent various working states and data information set by the user, and can also scroll or freeze the data of the network interaction. Information and data information exchanged between devices.

7. The network data communication method for a portable smart device according to claim 1, wherein the network data communication device has a method for receiving a read mail, comprising the following steps:

(2) The application calls the POP protocol and the mail server address, establishes a TCP connection with the mail server, and issues a request confirmation message;

(3) Authenticating the mailing list by mail server authentication;

(5) Read the mail.

The network data communication method for a portable smart device according to claim 1, wherein the network data communication device has a method for sending a mail, comprising the following steps:

(2) reading the data file to be sent;

(5) Execute the send mail command.

9 . The network data communication method for a portable smart device according to claim 1 , wherein the network data communication device has a method for a main unit Bluetooth point-to-multipoint wireless data communication, the network data The communication device main unit Bluetooth search finds that there are a plurality of the portable smart device slave unit Bluetooth, respectively performing ID authentication pairing, the application program controls the main unit Bluetooth initiation and the plurality of slave units Bluetooth to establish a connection, and buffers the data storage A buffer data storage area is respectively established for each slave unit Bluetooth data, and according to the network communication mode set by the user, the network communication protocol to be used is called, and the data is respectively performed according to the specified destination IP address and the corresponding external network device. Information exchange.

10. The network data communication method for a portable smart device according to claim 1, wherein the network data communication device has a network data communication method of an external data file, and the method comprises the following steps:

(1) The portable smart device Bluetooth or the network data communication device Bluetooth or the main USB connection is connected from the USB interface (2) the application reads a data file transmitted by the portable smart device, and displays a list of all files on the liquid crystal;

(3) selecting to determine a data file to be sent, the application starting a network data communication command;

(4) The application calls the FTP protocol to read the destination IP address;

(6) requesting to return the current file list of the destination network device, retrieving the current directory file, triggering the network device to initiate a data connection and transmitting the selected file data;

The network data communication method for a portable smart device according to claim 1, wherein the network data communication device has a network interaction and/or a storage and storage method for inter-device interaction data information via Bluetooth or USB , including the following steps:

(3) The application reads the cache data and stores it in the data memory Flash data storage area according to the FAT16 format.

12. The network data communication method for a portable smart device according to claim 1, wherein the network data communication device has a method for storing data information internally, comprising the following steps -

(2) the portable smart device Bluetooth or the network data communication device Bluetooth or the main USB connection P from the USB interface;

13. The network data communication method for a portable smart device according to claim 1, wherein the network data communication device has a network data communication method for storing a data file internally, comprising the following steps:

(3) The application calls the FTP protocol to read the destination address;

(7) The application reads the cache data and stores it in the data memory Flash data storage area according to the FAT16 format.

14. The network data communication method for a portable smart device according to claim 1, wherein the network data communication device has a "write protection" method, and the application control matrix keyboard is set to "write" The "state" is protected, and the user is prompted to display on the liquid crystal, and the network device cannot rewrite or erase the contents of the portable smart device and the network data communication device to protect the data information stored by the user.

The network data communication method for a portable smart device according to claim 1, wherein the portable smart device connected by the network data communication device via Bluetooth or USB includes but is not limited to an intelligent medical monitoring device, Or a smart industrial measurement device, or a semiconductor mobile storage device, or a PDA, or a palmtop computer, or a digital mobile phone, or a personal multimedia player, or a handheld game console, or a digital camera, or a digital video camera, or a personal data processing device.

16. A network data communication device for a portable smart device, comprising a controller module (1) comprising a network processor integrated circuit, a program memory integrated circuit, a data memory integrated circuit, a buffered data memory integrated Circuit; Bluetooth module (2), the module includes a Bluetooth integrated circuit, a band pass filter, a balun; a USB module (3), the module includes a USB master-slave controller inside the network processor integrated circuit, and a USB transceiver integrated Circuit, working mode control circuit, USB connector; liquid crystal module (4), the module includes liquid crystal driving integrated circuit and liquid crystal screen; matrix keyboard module (5), the module includes a key keyboard and a pull-up resistor; real-time clock module (6) The module includes a real-time clock integrated circuit, a diode switch circuit, a backup battery, a network interface module (9), the module includes a transmission line transformer and an RJ45 plug; and the network processor integrated circuit is integrated with a Bluetooth integrated circuit and a USB transceiver, respectively. Circuit, program memory integrated circuit, data memory a circuit, a buffered data memory integrated circuit, a keypad, and a transmission line transformer connection, the RJ45 plug input is connected to the transmission line transformer output, and the output is connected to the external network terminal interface; the network data communication device is solidified in the controller module (1) ) in the application software driver control.

17. A network data communication device for a portable smart device according to claim 16, wherein the controller module (1) of the network data communication device comprises a network processor integrated circuit, a program memory integrated circuit , Data Memory IC, Buffered Data Memory IC, Network Processor IC or IP3023, Program Memory IC or Flash AM29LV033C, Data Memory IC or Flash NAND01G, Buffered Data Memory IC or SDRAM MT48LC32M16A, Data The memory flash is divided into a user information setting storage area, a word storage storage area, and a data storage area under the application addressing control, and the data storage area is used for storing data information of network interaction and data information of interaction between devices, including but not limited to Various control commands, text, images, audio, video data files, data memory flash or with K9K8G08U1M-PCB0, corresponding pin press Its label connection.

18. The network data communication device for a portable smart device according to claim 16, wherein the USB module (3) of the network data communication device comprises a USB master/slave inside the network processor integrated circuit IP3023. Controller, USB transceiver integrated circuit, working mode control circuit, USB connector, wherein the working mode control circuit is composed of single-pole double-throw switch K1 and pull-up resistor, K1 is grounded at one end, one end is connected with pull-up resistor, and the middle end is connected with IP3023 PD10, the other end of the pull-up resistor is connected to the main circuit +3.3V power supply terminal. When the PD10 of the IP3023 is set to the high level, the USB module (3) works in the main USB mode state, and the K1 sets the PD10 of the IP3023 to the low level. (3) Works in the state from USB mode.

19. The network data communication device for a portable smart device according to claim 16, wherein the matrix keyboard module (5) of the network data communication device comprises a keypad and a pull-up resistor R1-R4, The button keyboard adopts 4 X4 keyboard, and the PC8-PC15 of the network processor integrated circuit IP3023 is connected to the 4X4 keyboard 1-8 feet to form a matrix keyboard, wherein PC8-PC11 is respectively connected with pull-up resistors R1-R4, and R1-R4 is connected to the main circuit. +3.3V power supply, matrix keyboard includes 0-9 number keys, AZ letter keys, decimal point keys, punctuation keys and function keys.

20. The network data communication device for a portable smart device according to claim 16, wherein the network interface module (9) of the network data communication device comprises a transmission line transformer and an RJ45 plug, and the transmission line transformer adopts E2023. The E2023 output terminals TXD+, TXD-, RXD+, RXD- are connected to the RJ45 plug input terminals 1, 2, 3, and 6 pins, and the RJ45 plug output terminal is connected to the external network terminal interface, and the external network terminal interface includes but is not limited to a local area network, or A terminal interface for ADSL, or VDSL, or ISDN, or DDN, or FDDI, or cable television communication network, or power line communication network.