JP2012010330A - Wireless accessing module, data card, method for communicating between wireless access module and host - Google Patents

Abstract

PROBLEM TO BE SOLVED: To realize wireless internet-accessing for the host through a secure digital (SD) card interface.SOLUTION: The method comprises the following steps: simulating all ports on the wireless internet-accessing processing function unit of the wireless internet-accessing module with a secure digital (SD) card partition and reporting to the host side; receiving downlink interaction information encapsulated by format of secure digital card interface from the host side and then sending the same after decapsulating it to the corresponding ports; and receiving uplink interaction information reported to the host side from each port, and sending the information to the host side after encapsulating the uplink interaction information by format of secure digital card interface. The data card is a standard secure digital (SD) card or a micro secure digital (MicroSD) card or a mini-secure (MiniSD) digital card, comprising a 9-pin secure digital card interface and the wireless internet-accessing module.

Description

  The present invention relates to the field of communication technology, and in particular, to a wireless access module, a data card, and a method of communication between a wireless access module and a host.

  With the development of wireless data services, wireless access modules are becoming increasingly popular due to commercial characteristics such as considerable uplink and downlink rates, simplicity and convenience. The wireless access module is typically a Universal Serial Bus (USB) stick interface, Peripheral Component Interconnect-Express (PCI-E) interface, Mini PCI-E interface, or Personal Computer Manufacturer Interface Adapter (PCMIA). ) It is connected to a personal computer (PC) via an independent interface such as an interface. The radio access module can be combined with a computer to form a UE. However, as UE evolves into ultra-thin and ultra-small, radio access modules in the prior art are becoming too large to be incorporated into small ultra-thin UEs.

  Embodiments of the present invention disclose a wireless access module, a data card, and a method of communication between a wireless access module and a host.

The method of communication between the wireless access module and the host is:
Simulating all ports of the wireless access processing functional unit of the wireless access module with a secure digital memory card (SD card) partition and reporting the SD card partition to the host;
Receiving downlink interactive information encapsulated in an SD card interface format sent from a host, decapsulating the downlink interactive information, and then sending the information to a corresponding port;
Receiving uplink interactive information reported to the host by each port, encapsulating the information in an SD card interface format, and then sending the information to the host;
including.

The wireless access module includes an SD card interface functional unit, a processing functional unit, and an adaptive unit.
The SD card interface functional unit is configured to receive downlink interactive information from the host or send uplink interactive information to the host after detecting that an electrical connection with the host has been set up;
The radio access processing functional unit is configured to process downlink interactive information from the host and perform radio access;
The adaptation unit decapsulates the downlink interactive information encapsulated in the SD card interface format received from the host by the SD card interface functional unit, and then the downlink interactive information is corresponding to the radio access processing functional unit. Send to the port, receive uplink interactive information sent from the port and addressed to the host, encapsulate the uplink interactive information in an SD card interface format, and then pass the uplink interactive information through the SD card interface functional unit Configured to send to the host.

  The appearance of the data card is a standard SD card, micro secure digital memory card (MicroSD card), or MiniSD card package, which includes a 9-pin SD card interface and a wireless access module.

  By using a wireless access module, a data card, and a method of communication between a wireless access module and a host according to an embodiment of the present invention, the wireless access module or data card having an SD card interface communicates with the host and wirelessly. Access can be performed.

It is the schematic of the external appearance of the SD card and 9 pin interface in a prior art. FIG. 9 is a schematic diagram of the names and types of nine pins of an SD card interface and the signals processed by the nine pins. It is a schematic block diagram of the radio | wireless access module by embodiment of this invention. It is a schematic block diagram of the radio | wireless access process submodule of the radio | wireless access module by embodiment of this invention. FIG. 3 is a schematic diagram of an antenna layout of a wireless access module according to an embodiment of the present invention. It is the schematic of the function structure of the radio | wireless access module by embodiment of this invention. 3 is a flowchart of a method for reporting port information to a host by a wireless access module according to an embodiment of the present invention; It is a schematic block diagram of the PC side driver of the general purpose SD card interface apparatus in a prior art. It is a schematic block diagram of the PC side driver of the SD card interface apparatus by embodiment of this invention. It is another schematic block diagram of the PC side driver of the SD card interface apparatus by embodiment of this invention. 4 is a flowchart of a procedure for loading a driver for a wireless access module of an SD card interface by a PC system according to an embodiment of the present invention. 3 is a flowchart of a method for transmitting commands or write data to a wireless access module by a PC according to an embodiment of the present invention; 4 is a flowchart of a method of reading a response or data from a wireless access module by a PC according to an embodiment of the present invention. 3 is a flowchart of a method for performing processing according to a command or data transmitted by a PC by a wireless access module according to an embodiment of the present invention; 4 is a flowchart of a method for reporting a response or data to a PC by a wireless access module according to an embodiment of the present invention. 4 is a flowchart of a method for managing a wireless access module of an SD interface through a virtual serial port device by application layer software according to an embodiment of the present invention. 6 shows a flowchart of a method for performing a data service using a wireless access module of an SD interface through a virtual modem device by application layer software according to an embodiment of the present invention. 6 shows a flowchart of a method for performing a data service using a wireless access module of an SD interface through a virtual modem device by application layer software according to an embodiment of the present invention. It is another schematic block diagram of the radio | wireless access module by embodiment of this invention. It is the schematic of the function structure of the radio | wireless access module shown in FIG. It is the schematic of another function structure of the radio | wireless access module shown in FIG. 6 illustrates a flowchart of a method for performing data synchronization between an electronic device and a network space by a wireless access module having an SD interface according to an embodiment of the present invention. 6 illustrates a flowchart of a method for performing data synchronization between an electronic device and a network space by a wireless access module having an SD interface according to an embodiment of the present invention.

  In order to make the objects, technical solutions, and advantages of the present invention clearer, embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

  The standard size of the SD card is 32 mm × 24 mm × 2.1 mm. The SD card is a combination of SanDisk (registered trademark) flash memory card control and multi-level cell (MLC) technology with Toshiba (registered trademark) 0.16μ and 0.13μ Not AND (NAND) technology. And is connected to a dedicated driver via a 9-pin interface. Two wiring modes of secure digital input / output (SDIO) and serial peripheral interface (SPI) can be applied to the 9-pin interface. FIG. 1A is a schematic view of the appearance of an SD card and a 9-pin interface. FIG. 1B is a schematic diagram of the nine pin names and types of the SD card interface and the signals processed by the nine pins. In SDIO mode, pin 1 is used to transmit the card detection signal and is combined with the signals of pin 9, pin 8 and pin 7 to form a 4-bit data signal, and pin 2 transmits the command and response. Pin 3 and pin 6 are ground pins, pin 4 is connected to the power supply, and pin 5 receives the clock signal. In SPI mode, pin 1 is used to select the chip, pin 2 is used to input data, pin 7 is used to output data, and pins 3 and 6 are ground pins. , Pin 4 is connected to the power supply and pin 5 receives the clock signal. The write protect (WP) terminal shown in FIG. 1A may be in a physical switching configuration and is configured to set or release the write protection function of the SD card. The structure and principle of the WP terminal are well known and will not be repeated here. SD cards are widely applicable to UEs such as digital cameras, mobile phones, and mobile Internet devices (MIDs) due to their small and easy-to-handle configurations. In addition to standard SD cards, MicroSD cards (also known as Trans Flash (TF) cards) with a size of 15 mm x 11 mm x 1 mm and MiniSD cards with a size of 21.5 mm x 20 mm x 1.4 mm Widely applied. A MicroSD card or MiniSD card can be inserted into the standard SD card slot of the UE for use via an adapter connection.

  The technical solution disclosed in the embodiments of the present invention is to incorporate the wireless access module into a standard SD card, MicroSD card, or MiniSD card. A wireless access module having a standard SD card, or an SD interface of a MicroSD card or MiniSD card may act as a data card. Through the adapter connection, a MicroSD card or MiniSD card can be inserted into the host SD card slot for use. Accordingly, a standard SD card is taken as an example in the following description of the technical solution disclosed herein. The method of incorporating a wireless access module into a MicroSD card or MiniSD card is similar to the method of incorporating a module into a standard SD card. For simplicity of explanation, the SD card described below is a standard SD card unless otherwise specified.

  FIG. 2 shows a configuration of a wireless access module 200 provided in an embodiment of the present invention. This module includes an SD card interface sub-module 201 and a radio access processing sub-module 202, and the radio access processing sub-module 202 exchanges information with the UE via the SD card interface sub-module 201.

  The radio access module 200 may be inserted into the UE via an SD card slot or a MicroSD card slot to make a wireless connection. Using this UE, a user can access the Internet via a wireless network or send a photo via the wireless network.

  The wireless access module 200 may have the appearance of the SD card shown in FIG. 1A, and the SD card interface submodule 201 has nine pins shown in FIG. 1A. The wiring mode may be an SDIO mode or an SPI mode. The pin signals are shown in FIG. 1B. The wiring and driving of SD card pins in both wiring modes is included in the prior art and is well known to those skilled in the art and will not be repeated here.

  As shown in FIG. 3, the radio access processing sub-module 202 in one embodiment of the present invention includes an antenna 301, a radio frequency (RF) processing unit 302, a subscriber identity module (SIM) unit 303, and baseband processing. Unit 304.

  The antenna 301 is configured to transmit the received radio signal to the RF processing unit 302 or to convert the signal transmitted by the RF processing unit 302 into an electromagnetic wave and transmit the electromagnetic wave.

  Note that the antenna 301 may be provided on the main board of the wireless access module. For example, the antenna 301 is provided on the main board of the wireless access module. As shown in FIG. 4, the antenna 301 is located on the opposite side of the wireless access module, that is, the antenna 301 and the SD card interface are located on two different sides of the wireless access module. Alternatively, the antenna may be connected to the RF processing unit via the main board contact of the wireless access module.

  Note that an area may be reserved around the antenna, and no parts are provided in this area.

  The RF processing unit 302 performs frequency selection, amplification, and down-conversion on the radio signal received by the antenna 301, converts the radio signal into an intermediate frequency signal or a baseband signal, and then converts the signal to baseband. The RF processing unit 302 is configured to transmit to the processing unit, or the RF processing unit 302 performs up-conversion and appropriate amplification on the baseband signal or intermediate frequency signal transmitted by the baseband processing unit 304, and the antenna 301 Configured to transmit a signal via

  The SIM unit 303 is configured to store user parameter information. The user parameter information may include information about the digital mobile phone user and an encryption key, through which the network authenticates the user ID and encrypts the voice information generated in the user's call.

  Note that the SIM unit may be a chip in which the SIM die is packaged by packaging technology.

  The baseband processing unit 304 is configured to process the intermediate frequency signal or the baseband signal received according to the parameter information acquired by the SIM unit 303 and the request of the wireless standard protocol, or from the SD card interface submodule 201 Receiving data information, identifying the data information, if the data information includes a transmission control command, transmitting the data information via a transmission control command port, or if the data information includes a transmission network packet, a transmission network packet It is configured to transmit data information via the port.

  Note that the radio access processing sub-module 202 may further include a power management unit 305 and a storage unit 306.

  The power management unit 305 is configured to convert the supply voltage of the UE to the voltage required by the baseband processing unit 304, the storage unit 306, the RF processing unit 302, and the SIM unit 303 to supply power to the unit. The

  The storage unit 306 is configured to store transmission network packets processed and obtained by the baseband processing unit 304 and applications required to execute the radio access module.

  From the above description, it can be seen that after the wireless access module 200 is incorporated on the SD card, the wireless access module 200 interacts with the PC only through the SD card interface, ie, in SDIO mode or SPI mode. . However, in the prior art, the SD card slot on the PC identifies only specific commands and cannot perform information interaction between the wireless access module 200 and the PC.

  In order to solve such a technical problem, the embodiment of the present invention proposes the following technical solution shown in FIG. FIG. 5 is a schematic diagram of a functional configuration of the wireless access module 200. The SD card interface functional unit 501 is a software functional unit on the SD card interface submodule 201, and is configured to communicate with an existing host in the SDIO mode or the SPI mode via the 9-pin interface of the existing SD card. . This functional unit exists in an existing SD card. The access processing function unit 503 is a software function unit on the wireless access processing submodule 202, and can perform wireless access in an existing mode. Specifically, this functional unit may include several ports (eg, device management port 5031, modem port 5033, and other functional ports 5035 as shown). The device management port 5031 is configured to manage the radio access processing submodule 202 according to device management commands and / or data from the host, and the modem port 5033 is dial-up network access according to modem commands and / or data from the host. And other function ports 5035 are implemented to implement the present invention, such as network adapter functions and global positioning system (GPS) functions according to other commands and data from the host. It is configured to perform other functions not limited to forms. As described above, the operating principles of both the SD card interface functional unit 501 and the radio access processing functional unit 503 in this embodiment can be implemented by applying the technical solutions in the prior art. Of course, the present invention may improve the function and efficiency of the unit by improving the two functional units separately.

  When the SD card interface functional unit 501 and the wireless access processing functional unit 503 operate in the mode included in the prior art, or two or more functional units are improved. If the communication interface with other functional units remains unchanged, the above solution is applied to incorporate the wireless access processing sub-module 202 in the wireless access module 200 of the SD card interface. When the SD card interface submodule 201 interacts with the host, since the communication interface of the wireless access processing submodule 202 is different from the communication interface of the SD card interface submodule 201, the wireless access processing submodule 202 and the SD card interface submodule 201 An adaptation unit 505 needs to be inserted between the two functional modules in order to provide conversion and bridging for communication and interaction between them.

  The adaptation unit 505 may be a hardware unit or, in this embodiment, preferably a software unit. If the adaptation unit 505 is a software unit, the adaptation unit may be installed in the storage unit 306 of the radio access processing submodule 202 or a storage unit configured to store a driver in the SD card interface submodule 201 Or may be installed in an independent storage space provided in the wireless access module 200. The adaptation unit 505 simulates the port on the wireless access processing function unit 502 with the SD card partition, reports the SD card partition to the host through the SD card interface function unit 501, and passes through the SD card interface function unit 501. Receives the downlink interactive information transmitted from the host and encapsulated in the SD card interface format, decapsulates the downlink interactive information encapsulated in the SD card interface format, and then interfaces the radio access processing functional unit. Downlink interactive information is sent to each port in the format and hosted by each port in the radio access processing functional unit interface format. Uplink interactive information reported to using an SD card interface format encapsulates, then configured to transmit the uplink interactive information to the host via the SD card interface function unit 501. The downlink interactive information may be a command or data transmitted by the host to each port of the radio access processing submodule 202, or data or a response reported to the host by each port of the radio access processing submodule 202. It may be. The adaptation unit 505 obtains configuration information of each port of the wireless access processing function unit, and generates an SD card partition information generation unit corresponding to each port according to the configuration information, and an SD card partition information generation subunit. SD card partition information reporting subunit configured to interact with the host according to the card initialization procedure and report SD card partition information to the host, and the generated partition corresponding to each port of the wireless access processing function unit And an SD card partition mapping subunit configured to map to the SD card partition mapping subunit. The adaptation unit 505 further includes a decapsulation subunit configured to analyze packets received by the SD card interface functional unit from the host (where the packet is a small computer system interface (SCSI) write request command). Or a SCSI read request command packet), and a port write subunit configured to write the command or data of the SCSI read request command packet analyzed by the decapsulation subunit to a corresponding port of the wireless access processing functional unit And read the packet from the corresponding port of the wireless access processing function unit according to the read command of the SCSI read request command packet analyzed by the decapsulation subunit. The packet read by the port read subunit from the corresponding port of the wireless access processing functional unit and the port read subunit configured to be encapsulated in a response packet to the SCSI read request command, and the SD card interface functional unit And an encapsulation subunit configured to report a response packet to the host via the network.

  As an example, FIG. 6 is a flowchart of a procedure for simulating the port on the wireless access processing function unit 502 with the SD card partition by the adaptation unit 505 and reporting the SD card partition to the host via the SD card interface function unit 501. is there.

  Step 601: The adaptation unit 505 detects that a connection has been set up between the SD card interface function unit 501 and the host. When an electrical connection is detected between the host and the wireless access module 200 including the adaptation unit 505, the adaptation unit 505 determines that a connection has been set up between the SD card interface function unit 501 and the host. Actually, when inserted into an SD card slot or a card reader on the host, the wireless access module 200 of the SD card interface is electrically connected to the host via the pin 4 of the 9-pin interface. In this case, the adaptation unit 505 determines that a connection has been set up between the SD card interface function unit 501 and the host after detecting that the wireless access module 200 is powered on.

  Step 602: The adaptation unit 505 acquires configuration information of each port of the wireless access processing function unit 503, and generates SD card partition information corresponding to each port according to the configuration information. The configuration information may include the number of ports, the type of port, and the order in which the ports are arranged. The SD card partition information relates to a partitioning specification of the SD card itself.

  Step 603: The adaptation unit 505 interacts with the host according to a standard SD card initialization procedure and reports SD card partition information to the host.

  Step 604: The adaptation unit 505 maps each generated partition to a corresponding port of the radio access processing function unit 503, and allocates a corresponding buffer to each port. The buffer is configured to store uplink interactive information between the host and each port and, if necessary, downlink interactive information. It can be appreciated that the buffer may be located on the radio access module. In this case, the wireless access module further includes a storage unit.

  As described above, the adaptation layer 505 on the wireless access module 200 of the SD card interface reports the SD card partition to the host. Each partition is actually each port (for example, device management port 5031 and modem port 5033) of the wireless access processing function unit 503 on the wireless access module 200. Therefore, the host needs to identify the SD card interface wireless access module 200 as a wireless access device so that the host application layer software can use the wireless access function of the wireless access module 200. Assuming that the host is a PC, a method for identifying an SD card slot or card reader device as a wireless access device by the PC will be described below.

  FIG. 7 is a schematic configuration diagram of the PC-side driver of the general-purpose SD card interface device in the prior art. In FIG. 7, the SD card interface device is inserted into an SD card reader or an SD card slot. There may be two data paths, R1 and R2, depending on the mode of the host driving the SD card reader or SD card slot.

  When R1 is applied, the SD card reader or SD card slot is directly connected to the USB bus. The data passes through the USB bus, the mass storage driver, the intermediate level of the SCSI bus, and the disk driver, and information is exchanged with the application layer software.

  When R2 is applied, the SD card reader or SD card slot is directly connected to a multimedia card (MMC) or SD bus. Data passes through the MMC / SD bus, the block media driver, the intermediate level of the SCSI bus, and the disk driver, and information is exchanged with the application layer software.

  Regardless of whether R1 is applied or R2 is applied, in the prior art, the host can only identify and use the SD card interface device as a storage device. With respect to the wireless access module 200 of the SD card interface inserted into the SD card reader or the SD card slot, the PC driver configuration in the prior art cannot implement the wireless access function. FIG. 8 shows a configuration of a PC-side driver according to an embodiment of the present invention.

  Compared to FIG. 7, the host driver layer in the embodiment shown in FIG. 8 further includes a virtual bus, a modem driver, and a serial port driver. If necessary, if the SD card interface wireless access module 200 supports local area network (LAN) connection, a network adapter driver may be added. In this case, other function ports 5035 on the wireless access module 200 must include network adapter function ports or, of course, other function ports. The modem driver, the serial port driver, and the network adapter driver may be dedicated drivers for the SD card interface wireless access module 200, that is, drivers specifically developed for the SD card interface wireless access module 200. Alternatively, it may be a standard driver specific to the operating system of the PC. In general, some general purpose peripheral device drivers may be attached to a Windows® operating system. If the drivers can identify the ports on the wireless access module 200, those drivers are available. Preferably, a dedicated driver is applied in this embodiment.

  When the SD card interface wireless access module 200 is connected to a PC, the adaptation layer 505 on the SD card interface wireless access module 200 reports SD card partition information to the host. After the disk driver is loaded on the wireless access module 200 of the SD card interface according to the conditions of the SD card interface device in the prior art, the virtual bus detects the wireless access module 200 of the SD card interface and detects the corresponding serial port driver and The modem driver is automatically loaded, and the virtual serial port device and the modem device are provided to the application layer. The serial port device and the modem device are mapped to the SD card partition corresponding to the wireless access module 200 of the SD card interface via the virtual bus. The mapping executed through the virtual bus is performed by the virtual bus developer and the developer of the SD interface wireless access module 200 from the partition of the SD card interface wireless access module 200 to the various devices ( For example, this means that the rules for mapping from each partition to each of the serial port device and the modem device) are agreed in advance. That is, the virtual bus knows which SD card partition is the corresponding serial port device and which partition is the corresponding modem device. Thus, when the application layer operates the virtual serial port device and the modem device, the operation is equivalent to operating the corresponding partition of the wireless access module 200 of the SD card interface. Each partition of the wireless access module 200 of the SD card interface is actually each port of the wireless access processing function unit 503 on the wireless access module 200 (for example, the device management port 5031 and the modem port 5033). Therefore, when the application layer operates the virtual serial port device and the modem device, the operation is equivalent to operating the device management port 5031 and the modem port 5033 of the wireless access module 200 of the SD card interface. In other words, the communication between the application layer and the serial port device / modem device is mapped onto the SD card partition corresponding to the wireless access module 200 of the SD card interface. In this case, it is considered that the host communication module is configured on the host, the host communication module includes an SD card interface unit, a disk driver unit, a virtual bus unit, a serial port driver unit, and a modem driver. A unit. The SD card interface unit is configured to set up a connection with the wireless access module of the SD card interface. The disk driver unit is configured to set up a communication connection between the SD card interface unit and the virtual bus unit. The virtual bus unit is configured to receive the SD card partition information reported by the wireless access module of the SD card interface and enable the serial port driver unit and the modem unit. The serial port driver unit and the modem unit are configured to provide the virtual serial port device and the virtual modem device to the application layer. The virtual bus unit is further configured to map communication between the application layer and the virtual serial port device / modem device onto the SD card partition corresponding to the wireless access module of the SD card interface. The virtual bus unit is between the application layer and the virtual serial port device / modem device according to a preset rule that maps the virtual serial port device / modem device to the SD card partition corresponding to the wireless access module of the SD card interface. A mapping subunit configured to map communications onto an SD card partition corresponding to the wireless access module of the SD card interface is included.

  For the R1 path, another PC-side driver configuration according to an embodiment of the present invention illustrated in FIG. 9 may be applied. From FIG. 9, it can be seen that in one embodiment of the present invention, a filter driver is added between the intermediate level of the SCSI bus and the disk driver. On the filter driver, a bus driver, a corresponding serial port driver, a modem driver, and, if necessary, a network adapter driver are added in parallel with the disk driver. The serial port driver, modem driver, and network adapter driver may be dedicated drivers for the SD card interface wireless access module 200 or may be standard drivers, which are not repeated here. In this case, it is considered that another host communication module is configured on the host, and the host communication module includes an SD card interface unit, a USB driver unit, a filter driver unit, and a bus driver unit. The SD card interface unit is configured to detect access of the SD card interface device and set up a connection with the SD card interface device. The USB driver unit is configured to set up a communication connection between the SD card interface unit and the filter driver unit. The filter driver unit detects whether the SD card interface device is an SD card interface wireless access module, and if the SD card interface device is an SD card interface wireless access module, reports by the SD card interface wireless access module. The received SD card partition information is received, the hardware ID of the wireless access module of the SD card interface is modified, and the bus driver unit is made operable. The bus driver unit has a serial port device and a modem device according to the SD card partition information so that the application layer can set up communication with the SD card partition corresponding to the wireless access module of the SD card interface via the serial port device and the modem device. And configured to load the corresponding serial port driver and modem driver.

  When the PC side driver configuration shown in FIG. 9 is applied, when the wireless access module 200 with the SD card interface is connected to the PC, the adaptation layer 505 on the wireless access module 200 with the SD card interface sends the SD card partition to the host. To report. FIG. 10 is a flowchart of a procedure for loading a driver for the SD card interface wireless access module 200 by the PC system. This loading procedure includes the following steps.

  Step 1001: The system detects access of the SD card interface device.

  Step 1002: The system loads the USB mass storage driver for the SD card interface device.

  Step 1003: The system loads the filter driver on the USB mass storage.

Step 1004: The filter driver uses a user-defined USB command to query whether the device is an SD card interface wireless access module. The following is an exemplary format of a user-defined USB command.

  As indicated above, the USB command is a standard USB command format. If this is user-defined and the value of the bRequest field is 0x9a, this command is used to query whether the device is a wireless access module with an SD card interface. This user-defined value is exemplary and not limiting. Other user-defined characters may be used as field values to perform the same function. The inquiry function may be implemented by an inquiry submodule of the filter driver unit.

  In response to this command, the value returned by the wireless access module of the SD card interface may be set to be a specific format or content character or code (eg, ASCII format string “HW_SD_DATACARD”), Or, for other devices, this user-defined command is not supported, so the value returned does not indicate that the device is a wireless access module with an SD card interface (eg, a “STALL” value is returned directly). )

  Step 1005: If the returned value cannot indicate that the device is a wireless access module with an SD card interface (eg, if a “STALL” value is returned directly), the filter driver Determine that it is not an access module, report the device to the system as a disk device, and load the system's unique disk driver. The process of loading the driver is then complete.

  Step 1006: If the returned value indicates that the device is a wireless access module with an SD card interface, the filter driver loads the bus driver for the device by modifying the hardware ID of the device. For example, the hardware ID may be corrected to a format of “HW_SD / VID — 12D1 & PID_xxxx”. It can be appreciated that different hardware IDs may be set for different ports of the wireless access module. The developer of the filter driver and the developer of the wireless access module 200 of the SD interface have mapping rules from the partition of the wireless access module 200 of the SD card interface to various devices (for example, mapping from the serial port device to the modem device). Agree on the rules). That is, the filter driver knows which SD card partition is the corresponding serial port device and which partition is the corresponding modem device. By modifying the hardware ID, it is no longer necessary to maintain the mapping relationship on the bus driver. The function of correcting the hardware ID may be performed by the hardware ID correction submodule of the filter driver unit. The filter driver unit is configured to report a connected SD card interface device as a normal SD card interface storage device when the connected SD card interface device is not a wireless access module of the SD card interface. It can be understood to further include submodules.

  Step 1007: The bus driver creates a corresponding device according to the SD card partition information reported by the wireless access module 200 of the SD card interface, and loads the corresponding driver. For example, the bus driver uses standard SCSI commands to query the number of partitions of the SD interface wireless access device, creates various device objects according to the partition extension type information, modem driver, serial port driver, And various drivers such as network adapter drivers. The process of loading the driver is then complete.

  After the driver is loaded in any of the aforementioned modes, application layer software such as wireless access module management software can communicate with the wireless access module 200 of the SD interface. FIG. 11 shows a communication method on the PC side adopting the driver configuration shown in FIG. 8 as an example.

  FIG. 11A shows a method for transmitting commands or write data to the wireless access module 200 by a PC. For example, the application layer software on the PC side transmits a command to the SD card partition corresponding to the virtual serial port device in order to manage the wireless access module 200, or externally through the wireless access function of the wireless access module 200 In order to transmit data to the network, data is transmitted to an SD card partition corresponding to the virtual modem device, where the SD card partition is a partition of the wireless access module 200.

  Step 1101: The virtual bus receives a command or data from application layer software. For example, the command may be a command used by application layer software to manage the radio access module 200, and the data needs to be transmitted to the external network via the radio access module 200 by the application layer software. It may be some data. It is understood that the command or data may be transmitted via a serial port, a modem port, or a network port, depending on various characteristics of the command or data, and various network access modes of the current wireless access module 200. obtain.

  Step 1102: The command or data is encapsulated in a SCSI write request command packet. Specifically, for example, a value corresponding to a write request is assigned to a field indicating the operation type of the SCSI command, and information indicating an address or address for buffering the command or data is included in the write request command. It is encapsulated as a SCSI write request command packet.

  Step 1103: The SCSI write request command packet is transmitted to the corresponding partition interface of the wireless access module 200 via the disk driver layer. The corresponding partition is a partition corresponding to the function or characteristic of the command or data from the application layer software. According to the conventional PC driver architecture, data is written to the SD card partition by a disk driver. For each packet that needs to be written to each partition interface of the wireless access module 200, the virtual bus needs to send the packet to the disk driver, which then writes the packet. The corresponding partition is determined in step 1101 according to the command or data characteristics. For example, if the command is a command used by application layer software to manage the wireless access module 200, the corresponding partition is an SD card partition corresponding to the device management port 5031 of the wireless access module 200, and the data is an application When the data needs to be transmitted to the external network via the wireless access module 200 by the layer software, the corresponding partition is an SD card partition corresponding to the modem port 5033 of the wireless access module 200.

  Application layer software commands or data may be written to the SD card partition of the wireless access module 200 through steps 1101 to 1103. In this way, the wireless access module 200 is managed and the wireless access function is used.

  In the process of managing the radio access module 200 or using the radio access function, it is necessary to receive a response from the radio access module 200 or to receive data from the external network via the radio access module 200 . In this case, the application layer software needs to be able to read data on the wireless access module 200. In this embodiment, the virtual bus reads data via the SD card partition corresponding to the wireless access module 200. For example, FIG. 11B illustrates a method for reading a response or data from the wireless access module 200 by a PC according to an embodiment of the present invention. The method includes the following steps.

  Step 1104: The virtual bus sends a SCSI read request command packet to the corresponding partition of the wireless access module 200 via the disk driver layer. The corresponding partition is the partition corresponding to the response or data characteristics that need to be read by the virtual bus. Similar to step 1103, for example, if the virtual bus needs to read a response to a command used by the application layer software to manage the wireless access module 200, the corresponding partition is the device management port of the wireless access module 200 If the virtual bus needs to read data that needs to be received from the external network via the wireless access module 200 by the application layer software, the corresponding partition is the wireless access module 200. This is an SD card partition corresponding to the modem port 5033. For example, a SCSI read request command packet must be pre-assigned by the host for buffering read data and that the value corresponding to the read request must be assigned to a field indicating the operation type of the SCSI command. This requires that the address or information indicating this address must be encapsulated together.

  Step 1105: A response packet to the read request command is received from the corresponding partition interface of the wireless access module 200. The response packet to the read request command includes a response reported by the radio access module 200 to an application layer software command (such as a device management command or a dial-up command) or data from an external network.

  Step 1106: SCSI decapsulation is performed on the response packet for the read request command, and the response or data obtained from the response packet is sent to the application layer software. If the response or data is encapsulated according to step 1104, the process of data decapsulation and transmission may be as follows. If, according to the read request, the operation is identified as a read operation, after decapsulation, the data that needs to be reported is sent to a buffer address previously allocated by the host.

  If the wireless access module 200 reports a response or data to the application layer software via steps 1104-1106, the response or data may be reported via the virtual bus via the corresponding port of the wireless access module 200. In this way, the wireless access module 200 is managed and the wireless access function is used. The process of reading a response or data from the wireless access module 200 in steps 1104 to 1106 corresponds to the process of writing a command or data to the wireless access module 200 in steps 1101 to 1103, but is not necessarily performed immediately after steps 1101 to 1103. It can be understood that there is no limit. For example, the commands written in steps 1101-1103 are not necessarily responded in the next read process (ie, steps 1104-1106), but after the completion of some read processes, a specific read process May be responded to. Of course, it is also appropriate to perform the two processes in succession.

  In practice, the virtual bus unit includes an application layer interface subunit configured to receive commands or data from the application layer and a capsule configured to encapsulate the commands or data in a SCSI write request command packet. It can be understood that it may further include a sub-unit. The mapping subunit is configured to send a SCSI write request command packet to the SD card partition corresponding to the wireless access module. The virtual bus unit further includes a read command generation subunit and a decapsulation subunit. The read command generation subunit is configured to generate a SCSI read request command packet. In this case, the mapping subunit is configured to transmit a SCSI read request command packet to the SD card partition corresponding to the wireless access module, and to read a response packet to the SCSI read request command from the SD card partition, where The response packet to the SCSI read request command includes a response reported by the radio access module to the application layer command or includes data from the external network. The decapsulation subunit is configured to perform SCSI decapsulation on a response packet to the SCSI read request command. The application layer interface subunit is configured to send the decapsulated response or data to the application layer. Further, the virtual bus unit determines whether the SCSI write request command generated by the encapsulation subunit has been successfully processed on the wireless access module, and the SCSI write request command generated by the encapsulation subunit is wirelessly accessed. It further includes a decision unit configured to trigger the read command generation subunit to generate a SCSI read request command packet if successfully processed on the module.

  When the PC-side driver configuration shown in FIG. 9 is applied, it can be understood that the virtual bus described in steps 1101 to 1106 may be replaced with a bus driver. Regarding the above-described virtual serial port device and virtual modem device, when the PC side driver configuration shown in FIG. 9 is applied, the bus driver creates the serial port device and the modem device according to the SD card partition information. The virtual bus, the virtual serial port device, the virtual modem device, and the virtual network port described in the following embodiments are replaced according to this mapping relationship, and an embodiment in which the PC side driver configuration shown in FIG. 9 is applied is derived. This may not be repeated here.

  As described in the description of the schematic diagram of the functional configuration of the wireless access module 200 shown in FIG. 5, in the technical solution proposed in this embodiment, the SD card partition has the wireless access processing function unit 502 of the wireless access module 200. Corresponding to each of the above ports, an adaptation unit 505 is provided in the radio access module 200 so that commands or data are converted and transmitted. Specifically, FIG. 12A shows a communication method between the wireless access module 200 of the SD card interface corresponding to the method shown in FIG. 11 on the wireless access module 200 and the PC.

  Step 1201: The adaptation unit receives a write request command packet from the PC via the SD card partition. The partition is one of the SD card partitions reported to the PC. A specific partition is determined by a partition through which a packet of a write request command transmitted by the PC passes. For details, refer to the description of step 1103 in FIG. 11A described above.

  Step 1202: The packet of the write request command is analyzed, and the acquired command or data is transmitted to the port corresponding to the SD card partition on the wireless access processing function unit 503. The packet of the write request command is encapsulated in the SD interface format when the packet is transmitted on the PC side. The adaptation unit 505 decapsulates the write request command packet and obtains the packet command or data. For example, the command may be a command for managing the wireless access module 200, or the data may be data that needs to be transmitted to the external network via the wireless access module 200. In response to the various partition interfaces that received the write request command packet in step 1201, the adaptation unit sends the command or data to the corresponding port. The partition interface is tied to the corresponding port when the adaptive unit reports SD card partition information to the PC. For details, see the corresponding description above with respect to FIG.

  Step 1203: The port executes a corresponding process according to the command or data. The port may be a device management port 5031 or a modem port 5033. The corresponding processing according to the command or data may be as follows. When the command is a command for managing the wireless access module 200 and is addressed to the device management port 5031, the device management port 5031 sets the wireless access module 200 according to the command, and data is transmitted to the modem port. If addressed to an external network, modem port 5033 modulates the data and transmits the modulated packet.

  Step 1204: If a response is generated in the operation, a response packet is written to the port buffer. Since response data is not necessarily generated in every operation, it can be understood that this step can be omitted. The response may be an operation result response to the operation command, a data response from the external network, or a data request from the external network. All these responses may be considered responses to commands or data sent by the application layer software. The buffer is a buffer allocated to each port by the adaptation unit 505 described in step 604.

  Via steps 1201-1204, PC commands or data can be written to the corresponding ports of the wireless access module 200. In this way, the wireless access module 200 is managed and the wireless access function is used.

  In the process of managing the radio access module 200 or using the radio access function, the response of the radio access module 200 is reported to the PC, or data is received from the external network via the radio access module 200, and the PC Need to report data to FIG. 12B shows a method for reporting responses or data to the PC by the wireless access module 200. The method includes the following steps.

  Step 1205: The adaptation unit receives a read request command packet from the PC via the SD card partition. This step is similar to step 1201, except that a read request command packet is received at this step.

  Step 1206: A packet is read from the buffer of the port corresponding to this partition. The buffer packet is the packet stored in step 1204. The packet may be an operation result response packet for an operation command, a data response packet from an external network, or a data request packet from an external network.

  Step 1207: The read packet is encapsulated in a response packet to the read request command and transmitted to the host.

  Through steps 1205 to 1207, each port of the wireless access processing function unit 503 of the wireless access module 200 reports a response or data to the PC via the adaptation unit 505. In this way, the wireless access module 200 is managed and the wireless access function is used. The process of steps 1205 to 1207 corresponds to the process of steps 1201 to 1204, but it can be understood that the process is not necessarily performed immediately after steps 1201 to 1204. Of course, it is also appropriate to perform the two processes in succession.

  By using the SD interface wireless access module 200 and the PC-side driver configuration disclosed in the embodiment of the present invention, the method shown in FIG. 11 is combined with the method shown in FIG. It can be understood that communication between the layer software and each port of the radio access processing function unit 503 of the radio access module 200 is performed. In this way, the application layer software manages the radio access processing function unit 503 and uses the radio access function.

  13 and 14 show a more detailed embodiment for describing a method of using the SD interface wireless access module 200 disclosed in the embodiment of the present invention.

  FIG. 13 shows a method for managing the wireless access module 200 of the SD interface via the virtual serial port device by the application layer software. The method includes the following steps.

  Step 1301: The application layer software activates the virtual serial port device and sends an AT command. After the PC side driver configuration shown in FIG. 8 or FIG. 9 is applied, application layer software (such as modem management software) finds virtual serial port devices and modem devices such as serial port drivers and modem drivers. The AT command is a command language applied to the modem. AT means Attention. Users may use AT commands to control calls, short messages, phone books, data services, and faxes. In the early 1990s, AT commands were used only for modem operation. In the prior art, AT commands are not used to control mobile phone text messages, and only the SMS block mode protocol has been developed to fully control messages via a host or computer. This protocol was invented by Hayes and is now the actual standard and modem command language applied by all modem manufacturers. Since each command begins with the letters “AT”, this command is called an AT command. The letter or number after “AT” in the command indicates a specific function. Years later, major mobile phone manufacturers such as Nokia®, Ericsson®, Motorola®, and Hewlett-Packard® HP Worked together to develop a set of AT commands for Global System for Mobile Communications (GSM). Such AT commands include commands for controlling short message service (SMS). The AT command evolved on this basis, and the GSM 07.05 standard and the GSM 07.07 standard were added to the AT command. Embodiments of the present invention do not limit the standard version applied to an AT command as long as the AT command can manage the radio access module 200, and not even whether the AT command is based on the standard. .

  Step 1302: The virtual bus obtains an AT command and encapsulates the AT command in a SCSI write request command packet.

  Step 1303: The virtual bus sends a packet to the disk driver layer and requests to write data to the corresponding partition.

  Step 1304: The disk driver transmits a packet to the partition interface corresponding to the device management port 5031 of the wireless access module 200 of the SD interface.

  Step 1305: The wireless access module of the SD interface obtains a packet from the partition interface, and the adaptation unit 505 analyzes the packet and obtains an AT command.

  Step 1306: The device management port 5301 of the wireless access module of the SD interface manages the wireless access module 200 according to the AT command.

  Step 1307: The buffer corresponding to the device management port 5301 buffers the AT command response. The command transmission procedure ends.

  The following steps are a process of reading a response to the command transmitted in steps 1301-1307. The command response read process corresponds to the command transmission process, but is not necessarily performed immediately after the command transmission process. That is, responses to the commands transmitted in steps 1301 to 1307 are not necessarily read out in steps 1308 to 1313.

  Step 1308: The virtual bus waits for the result of processing the SCSI write request command.

  Step 1309: The virtual bus determines whether the SCSI write request command has been processed normally. If the SCSI write request command is processed normally, the procedure proceeds to step 1310. If the SCSI write request command is not processed normally, the procedure ends. Whether or not the SCSI write request command has been processed normally is determined according to the SCSI command specification (eg, by using an acknowledge (ACK) packet).

  Step 1310: The virtual bus sends a standard SCSI read request command.

  Step 1311: The adaptation unit 505 encapsulates the AT command response information in the buffer queue corresponding to the device management port 5301 into a response to the SCSI read request command, and transmits the response to the virtual bus.

  Step 1312: The virtual bus analyzes the response to the read request command and obtains AT command response information.

  Step 1313: The virtual bus feeds back the AT command response result to the application layer software through the virtual serial port device.

  Through the above steps 1301 to 1313, the application layer software manages the wireless access module 200 of the SD interface.

  FIG. 14 shows a method of executing a data service using the wireless access module 200 of the SD interface through the virtual modem device by the application layer software. The method includes the following steps.

  Step 1401: The application layer software initiates a dial-up operation via the virtual modem device, and executes the data service after successful dial-up. In this step, the application layer software chooses either to initiate a dial-up operation or to implement a data service in the process of sending data. The start of the dial-up operation may be triggered by a user operation, a dial-up operation that occurs during automatic redialing, or an automatic dial-up operation after it is detected that the network is disconnected. The embodiment is not limited to these. The data service is a service for exchanging data packets with an external network in a normal Internet access process.

  Step 1402: The virtual bus obtains a dial-up command sent by the modem device or data used in the data service, and encapsulates the command or data in a SCSI write request command packet.

  Step 1403: The virtual bus sends an encapsulated SCSI write request command packet to the disk driver and requests to write data to the corresponding partition.

  Step 1404: The disk driver transmits a SCSI write request command packet to the partition interface corresponding to the wireless access module 200 of the SD interface. The corresponding partition interface is generally a partition interface corresponding to a modem port.

  Step 1405: The adaptation unit 505 of the wireless access module 200 of the SD interface is used to obtain a SCSI write request command packet from the partition interface, analyze the packet, and execute a dial-up command or a data service. Get the data.

  Step 1406: The modem port determines whether the operation is a dial-up command. If the operation is a dial-up command, the procedure proceeds to step 1407, and if the operation is not a dial-up command, the operation is a data service by default and the procedure proceeds to step 1410.

  Step 1407: The wireless access module 200 of the SD interface starts dial-up according to the dial-up command. Specifically, dial-up is started by the modem port 5033 of the wireless access processing function module 503 on the wireless access module 200 of the SD interface.

  Step 1408: The radio access module 200 determines whether the dial-up is successful, and if the dial-up is successful, the procedure proceeds to step 1409, or if the dial-up is unsuccessful, the dial-up process ends. Alternatively, when the automatic redial function is set on the wireless access module 200, the dial-up may be continued, and the dial-up set on the wireless access module 200 is stopped until the dial-up is successful. The procedure proceeds to step 1407 to redial until other conditions are met (eg, until dial-up fails 10 consecutive times).

  Step 1409: The wireless access module of the SD interface sets the partition corresponding to the modem to the data mode. The procedure proceeds to step 1401, where the application layer software can initiate a data service.

  Step 1410: The SD interface wireless access module 200 executes a data service according to the data. The procedure proceeds to step 1401, where the application layer software continues data service according to the previous steps.

  The following steps are a process for reading a response to the dial-up command transmitted in steps 1401 to 1410, or a process for reading data received from an external network in the data service executed in steps 1401 to 1410. The process of reading the response or data corresponds to the process of sending the command or data, but is not necessarily performed immediately after the process of sending the command or data. That is, responses to the data transmitted in steps 1401 to 1410 are not necessarily read immediately in steps 1411 to 1417.

  Step 1411: The virtual bus waits for the result of processing the SCSI write request command.

  Step 1412: The virtual bus determines whether the SCSI write request command has been processed normally. If the SCSI write request command is processed normally, the procedure proceeds to step 1310. If the SCSI write request command is not processed normally, the procedure ends. The determination may be made in other modes (eg, by using an ACK packet).

  Step 1413: The virtual bus sends a standard SCSI read request command.

  Step 1414: For data that needs to be reported, the adaptation unit 505 of the SD interface radio access module 200 uses the data as a response packet to the read request command and transmits the packet to the virtual bus according to the read request command.

  Step 1415: The virtual bus analyzes the response packet for the read request command to obtain the reported data.

  Step 1416: The virtual bus uploads the reported data to the virtual modem device.

  Through the above steps 1401 to 1417, the application layer software can start dial-up to the wireless access module 200 of the SD interface and exchange data with an external network via the wireless access function of the module.

  The SD interface wireless access module 200 described in the foregoing method is the wireless access module shown in FIG. 2, and a schematic diagram of the functional configuration thereof is shown in FIG. In practice, the memory function of the SD card may be incorporated into the wireless access module. As shown in FIG. 15, the wireless access module 1500 includes an SD card interface submodule 1501, a wireless access processing submodule 1502, and an SD storage submodule 1503. The SD card interface submodule 1501 and the wireless access processing submodule 1502 are the same as the SD card interface submodule 201 and the wireless access processing submodule 202 shown in FIG. The SD storage submodule 1503 is the same as the storage module of the SD card in the prior art. Accordingly, FIG. 16 is a schematic diagram of the functional configuration shown in FIG. The SD card interface function unit 1601 and the wireless access processing function unit 1603 are the same as the SD card interface function unit 501 and the wireless access processing function unit 503 in FIG. The device management port 16031, modem port 16033, and other function ports 16035 of the wireless access processing function unit 1603 are the same as the device management port 5031, modem port 5033, and other function ports 5035 of the wireless access processing function unit 503 in FIG. It is. The SD memory functional unit 1607 in FIG. 16 is implemented by using a memory functional unit of an SD card in the prior art. A communication channel may or may not exist between the SD memory function unit 1607 and the radio access processing function unit 1603. The adaptation unit 1605 in FIG. 16 not only provides the function of the adaptation unit 505 in FIG. 5, but also reports the SD memory functional unit to the PC as the SD card partition of the wireless access module 1500 of the SD interface. Furthermore, in the process of exchanging data with a PC to implement the memory function of the SD card in the prior art, the adaptation unit 1605 transparently transmits the data sent by the PC to the SD card partition corresponding to the SD memory function unit. To do.

  The SD interface wireless access module 1500 can be applied to a host (for example, a PC or a smartphone) capable of executing application software for managing the wireless access module. However, most consumable electronic products (such as cameras and electronic photo frames) have an SD card slot or card reader integrated with the product, but do not have advanced device management or network management functions. In this case, the function of the device management port and the function of the modem port of the wireless access module 1500 of the SD interface are invalidated due to lack of support of the host side application software, and the wireless access module 1500 of the SD interface is a normal SD card. Downgraded to device.

  Embodiments of the present invention improve the SD interface wireless access module 1500 so that normal consumable electronic products (such as cameras and electronic photo frames) are directly connected to an external network via the SD interface wireless access device. Overcoming the problems in the prior art (data in such consumable electronic products cannot be exchanged with the network unless the data is transferred by a PC or smartphone). See FIG. Compared to FIG. 16, FIG. 17 includes a data synchronization functional unit 1709 based on the functional configuration of the wireless access module 1500 of the SD interface in FIG. Other functional units such as the SD card interface functional unit 1701 and the SD memory functional unit 1707 are the same as the SD card interface functional unit 1601 and the SD memory functional unit 1607 in FIG. When the data synchronization functional unit 1709 detects any change in the data in the SD memory functional unit 1707 or the data in the external network space linked to the SD memory functional unit 1707, the data synchronization functional unit 1709 synchronizes the data according to a preset synchronization policy. Configured to let Compared with the wireless access processing function unit 1603, when the wireless access processing function unit 1703 detects that the wireless access module 1500 is powered on, it performs automatic dial-up according to preset dial-up information. Improved. The adaptation unit 1705 further needs to report the data synchronization function unit 1709 as an SD card partition so that the host can set the data synchronization function unit and pre-set the synchronization policy. The method for managing and setting the wireless access module by the application software on the PC side in the above-described embodiment is that a synchronization policy is set in advance on the data synchronization function unit 1709 and dialing is performed on the wireless access processing function unit 1703 It can be understood that it is applicable to presetting up information. That is, the synchronization policy and dial-up information can be obtained by using the above-described method in the embodiment shown in FIGS. 2 to 16 to an electronic device (for example, a PC or a smartphone) capable of advanced device management functions and network management functions. ) Need to be preset by the above wireless access module.

  After a synchronization policy is set in advance on the data synchronization function unit 1709 and dial-up information is set in advance on the wireless access processing function unit 1703, the wireless access module of the SD interface is a normal consumer electronic product (camera , And an electronic photo frame) can be inserted and operated. Below, the usage method shown in FIG. 18 which employ | adopted the digital camera as an example of a consumable electronic product is demonstrated.

  Step 1801: The wireless access module of the SD interface is enabled. The SD interface wireless access module is inserted into the SD card slot of the digital camera, and as soon as the digital camera is powered on, the SD interface wireless access module is enabled. Of course, an optional function indicating whether or not to enable the SD interface device may be provided on the operating system or hardware of the digital camera. In this case, the wireless access module of the SD interface is enabled until a free selection function that enables the SD interface device is selected.

  Step 1802: The wireless access processing function unit 1703 executes automatic dial-up according to preset dial-up information.

  Step 1803: The data synchronization function unit 1709 detects the connection state of the network.

  Step 1804: If the network is normally connected, the procedure proceeds to Step 1805. If the network is not normally connected, the procedure returns to Step 1803.

  Step 1805: The data synchronization functional unit 1709 automatically logs into the network space according to the network space information preset in the module. The network space is a user's personal homepage, QQ space, Kaixin website site (www.kaixin.com), facebook (registered trademark) space, MSN (registered trademark) space, or space on a personal server, Or it may be a network space shared with other people.

  Step 1806: The data synchronization functional unit 1709 maps the network space data to the designated directory of the SD memory functional unit 1707. In this way, operations on the specified directory data are synchronized to the corresponding network space.

  Step 1807: The data synchronization functional unit 1709 detects a change in data in the network space, and step 1809 is executed.

  Step 1808: The data synchronization functional unit 1709 detects that the user is writing new data to the SD memory functional unit 1707, and step 1809 is executed.

  If either the scenario of step 1807 or the scenario of step 1808 occurs, step 1809 is executed. The data synchronization functional unit 1709 checks whether data synchronization is required according to a preset synchronization policy. The preset synchronization policy can be real-time synchronization (ie, synchronization triggered by any data change in the network space and SD memory functional unit 1707) or scheduled synchronization (eg, daytime 3 PM Synchronization initiated at times), or periodic synchronization (eg, synchronization initiated every Wednesday at 8 am), or data directory specific synchronization (eg, “My Photo” in SD memory functional unit 1707) Synchronization of directory data and network space “My Album” directory data only), or data type specific synchronization (eg, text file in SD memory functional unit 1707 or audio / video file and network space text File or audio / video file (Synchronization of the image file of the SD memory function unit 1707 and the image file of the network space).

  Step 1810: If synchronization is required, the procedure proceeds to step 1811; if synchronization is not required, the procedure returns to step 1809.

  Step 1811: The data synchronization functional unit 1709 detects the state of connection with the network space.

  Step 1812: If the connection is normal, the procedure proceeds to Step 1813. If the connection is abnormal, the synchronization procedure ends.

  Step 1813: The data synchronization functional unit 1709 synchronizes the data in the SD memory functional unit 1707 with the network space or synchronizes the data in the network space with the SD memory functional unit 1707.

  By using the SD interface wireless access module in this embodiment of the present invention and the method shown in FIG. 18, consumable electronic products (such as cameras and electronic photo frames, etc.) without advanced device management and network management capabilities. The above data can be synchronized directly onto the network space without being transferred by any internet-enabled electronic device (such as a PC or smartphone).

  In the above-described embodiment of the present invention, several SD interface wireless access modules have been described, and the functional module configuration of the wireless access module has been improved. By using the improved PC-side driver configuration in the embodiments of the present invention, the SD interface wireless access module can communicate with the application layer software on the PC, and the application layer software can communicate with the SD interface. It is possible to manage and configure the radio access module and access an external network via the radio access module. Further, the memory function of the SD card can be incorporated into an improved SD interface wireless access module, and by using the improved SD interface wireless access module, an advanced device management function and network can be used. Data on consumable electronic products (such as cameras and electronic photo frames) without management capabilities can be synchronized directly onto the network space, improving the user experience and extending wireless communication services Is done. The wireless access module in the foregoing embodiment may be provided in a data card product that has the appearance of a standard SD card, MicroSD card, or MiniSD card and includes a 9-pin SD card interface.

  From the foregoing description of the embodiments, those skilled in the art will understand that embodiments of the present invention may be implemented via hardware or, preferably, in most environments via software in addition to the required general purpose hardware platform. Recognize clearly that it is okay. Thus, the technical solution of the present invention or its contribution to the prior art may be implemented in a software product. The software product is stored in a computer-readable storage medium such as a floppy disk, hard disk, and compact disk read-only memory (CD-ROM), and is a computer device (for example, a personal computer, a server, or a network device). Includes a number of instructions to instruct a specified method to be performed in any embodiment of the present invention.

  The above embodiments are merely provided to illustrate the technical solutions of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the above-described embodiments, those skilled in the art can make various modifications and variations to the present invention without departing from the spirit and scope of the present invention. It is clear that there is. The present invention is intended to cover those modifications and variations provided that such modifications and variations fall within the scope of protection defined by the appended claims or their equivalents.

Claims (17)

A method of communication between a wireless access module and a host, comprising:
Simulating all ports of the wireless access processing functional unit of the wireless access module with a secure digital memory card (SD card) partition and reporting the SD card partition to the host;
Receiving downlink interactive information encapsulated in the SD card interface format transmitted from the host, decapsulating the downlink interactive information, and then decapsulating the downlink interactive information into the downlink interactive Sending to the corresponding port according to the function of the information,
Receiving uplink interactive information reported to the host by each port, encapsulating the uplink interactive information in the SD card interface format, and then transmitting the encapsulated uplink interactive information to the host When,
Including a method. Each of the ports includes a device management port and a modem port;
If the port is a device management port, the downlink interactive information from the host includes a device management command from the host, and the uplink interactive information reported to the host includes a response to the device management command. ,
If the port is a modem port, the downlink interactive information from the host includes modem commands from the host or data sent to an external network, and the uplink interactive information reported to the host is the modem Including responses to commands or data from the external network,
The method of claim 1. Simulating a port on the wireless access processing functional unit with an SD card partition and reporting the SD card partition to the host;
Obtaining configuration information of each port of the wireless access processing function unit, and generating SD card partition information corresponding to each port according to the configuration information
Interacting with the host according to an SD card initialization procedure and reporting the SD card partition information to the host;
The method according to claim 1 or 2. Further comprising mapping each generated partition to a corresponding port of the radio access processing functional unit and assigning a corresponding buffer to each port;
The buffer is configured to store the uplink interactive information between the host and each port;
The method of claim 3. Receiving downlink interactive information encapsulated in the SD card interface format transmitted from the host,
Receiving a small computer system interface (SCSI) write request command packet from the host;
Decapsulating the downlink interactive information encapsulated in the SD card interface format and sending the information to the corresponding port;
Analyzing the SCSI write request command packet and transmitting the acquired command or data to a port corresponding to the SD card partition of the wireless access processing function unit;
The method according to claim 3 or 4. Processing the command or data by the wireless access processing functional unit;
Writing a response packet generated during the process to the port buffer or, if the port is a modem port, further writing a packet from an external network to the modem port buffer;
The method of claim 5 further comprising: Receiving the uplink interactive information reported to the host by each port, encapsulating the information in the SD card interface format, and then transmitting the information to the host;
Receiving a small computer system interface (SCSI) read request command packet from the host;
Reading a packet from the buffer of the corresponding port according to the read request command;
Encapsulating the read packet into a response packet to the SCSI read request command and sending the response packet to the host;
The method of claim 6 comprising: Further comprising reporting an SD memory functional unit to the host as at least one SD card partition;
The method according to any one of claims 1 to 7. Reception of the downlink interactive information from the host and transmission of the uplink interactive information to the host are performed by an SD card interface functional unit.
The method according to claim 1. Before the method,
Further detecting that an electrical connection has been set up between the SD card interface functional unit and the host;
The method according to any one of claims 1 to 9. A secure digital memory card configured to receive downlink interactive information from the host or send uplink interactive information to the host after detecting that an electrical connection with the host has been set up (SD card) interface function unit,
A radio access processing functional unit configured to process the downlink interactive information from the host and perform radio access;
The downlink interactive information encapsulated in the SD card interface format received from the host by the SD card interface functional unit is decapsulated, and the decapsulated downlink interactive information is associated with the radio access processing functional unit. Receiving the uplink interactive information transmitted from the port and addressed to the host, encapsulating the uplink interactive information in the SD card interface format, and then encapsulated uplink An adaptive unit configured to send interactive information to the host via the SD card interface functional unit;
A wireless access module comprising: The wireless access processing functional unit includes a device management port and a modem port,
The device management port receives the downlink interactive information from the host including the device management command, transmitted decapsulated by the adaptation unit, and manages the radio access module according to the device management command; Configured to transmit the uplink interactive information addressed to the host, including the response to the device management command, to the adaptation unit;
The modem port receives the downlink interactive information from the host sent decapsulated by the adaptation unit, and the downlink interactive information sent by the host is addressed to a modem command or an external network Wireless access is performed according to the modem command or data addressed to the external network, and the uplink interactive information addressed to the host including a response to the modem command or data from the external network Configured to transmit to the adaptation unit;
The wireless access module according to claim 11. The adaptation unit is:
An SD card partition information generation subunit configured to acquire configuration information of each port of the wireless access processing functional unit and generate SD card partition information corresponding to each port according to the configuration information;
An SD card partition information reporting subunit configured to interact with the host according to an SD card initialization procedure and report the SD card partition information to the host;
An SD card partition mapping subunit configured to map each generated partition to a corresponding port of the wireless access processing functional unit;
The wireless access module according to claim 11, comprising: The wireless access module further comprises a storage unit configured to provide a buffer for each port allocated by the adaptation unit;
The buffer is configured to store the uplink interactive information reported to the host by each port.
The radio | wireless access module as described in any one of Claims 11-13. The adaptation unit is:
A decapsulation subunit configured to analyze a small computer system interface (SCSI) write request command or SCSI read request command packet received by the SD card interface functional unit from the host;
A port write subunit configured to write a command or data of the SCSI read request command packet parsed by the decapsulation subunit to a corresponding port of the wireless access processing functional unit;
A port read subunit configured to read a packet from a corresponding port of the wireless access processing functional unit according to a read command of the SCSI read request command packet analyzed by the decapsulation subunit;
A packet read by the port read subunit from the corresponding port of the wireless access processing functional unit is encapsulated in a response packet to the SCSI read request command, and the response is sent to the host via the SD card interface functional unit. An encapsulation subunit configured to report packets;
The wireless access module according to claim 11, comprising: The wireless access module further comprises an SD memory functional unit configured to store information,
The adaptation unit is further configured to report the SD memory functional unit to the host as at least one SD card partition.
The radio | wireless access module as described in any one of Claims 11-15. The appearance of the data card is a standard secure digital memory card (SD card), micro secure digital memory card (MicroSD card), or MiniSD card package,
The data card has a 9-pin SD card interface;
The data card further comprises a wireless access module defined in any one of claims 11 to 16.
Data card.

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