WO2012106948A1 - Network connection method and communication terminal - Google Patents

Abstract

Provided are a network connection method and a communication terminal, wherein the method includes: an application module of an application unit sends a network connection request to a virtual network module according to pre-configured network connection port information; and the virtual network module establishes a connection with a USB network device module used for network connection and sends the network connection request to the USB network device module, and a network connection with a communication unit is established by the USB network device module. The application unit of the communication terminal provided by the present invention sends the network connection request to the virtual network module according to the pre-configured network connection port information, so that the application unit transmits and receives network data through the virtual network module; and when the communication terminal enters a sleep state, the virtual network module can provide the network connection port to the application unit of the communication terminal continuously, so that applications which were previously on-line can still be kept in the on-line state.

Description

 Network connection method and communication terminal

 The present invention relates to the field of communications technologies, and in particular, to a network connection method and a communication terminal. Background technique

 With the advent of the third generation of mobile communication era, the use of communication terminals such as netbooks, mobile Internet devices (MIDs), and ultra-portable personal computers (UM-PCs) is increasing. These communication terminals can have built-in or external communication units that can be connected to the wireless communication network, so as to realize the user's Internet access and SMS and call requirements anytime and anywhere. The communication unit generally provides a Universal Serial Bus (USB) interface. And transmitting data through the USB interface and an application unit built in the communication terminal for implementing various service functions, wherein the communication unit can transmit data through the USB interface to improve the transmission rate to meet the communication service requirement of high transmission rate. .

 In order to extend the standby time of the communication terminal, when the communication terminal is in a sleep state, the USB connection between the communication unit and the application unit can be disconnected to reduce the power consumption of the communication terminal. However, when the USB connection is disconnected, the USB driver of the application unit detects the pull-out event of the USB network device module used for the network connection, and the network connection of the application unit is disconnected, and the application for the Internet access is The disconnected state of the network, such as the instant messaging software will be offline, and when the communication terminal wakes up from the sleep state, the application unit re-establishes the USB connection with the communication unit, when the USB drive of the application unit detects that it is used for the network connection When the USB network device module is inserted into the event, the application needs to restore the connection state of the network, and there is a certain delay. Summary of the invention

In view of this, the main object of the present invention is to provide a network connection method and a communication terminal. Enables the application to remain online while the communication terminal is asleep. In order to achieve the above object, the technical solution of the present invention is achieved as follows:

 A method of network connection, the method comprising:

 The application module of the application unit sends the network connection request to the virtual network module according to the information of the pre-configured network connection port;

 The virtual network module establishes a connection with a USB network device module for network connection, and sends the network connection request to the USB network device module, and the USB network device module establishes a network connection with the communication unit.

 Further, the method further includes:

 The network connection port of the application module is configured as a virtual network module port.

 Further, after the step of establishing a network connection by the USB network device module and the communication unit, the method further includes:

 When the application unit and/or the communication unit enters the sleep state, the network connection between the USB network device module and the communication unit is disconnected, and the USB driver of the application unit detects the USB network device module pull-out event, triggering the disconnection and virtualization of the USB network device module. The connection of the network module.

 Further, after the step of establishing a network connection by the USB network device module and the communication unit, the method further includes:

 When the application unit wakes up the communication unit, the application unit raises the level of the AP_WAKEUP_MODULE pin according to the general-purpose input/output (GPIO) indication information, and the USB network device module establishes a network connection with the communication unit; or

 When the communication unit wakes up the application unit, the communication unit raises the level of the MODULE_WAKEUP_AP pin according to the GPIO indication information, and the communication unit establishes a network connection with the USB network device module.

 Further, the method further includes:

The USB driver detects an insertion event of the USB network device module, and sets the USB network The standby module performs enumeration;

 The virtual network module establishes a connection with the USB network device module, and the application module transmits and receives network data through the virtual network module.

 A communication terminal includes a communication unit, the communication terminal further includes an application unit; the application unit includes: an application module, a virtual network module, and a USB network device module; wherein, the application module is configured to connect according to a pre-configured network port Information, sending a network connection request to the virtual network module;

 a virtual network module, configured to establish a connection with the USB network device module after receiving the network connection request, and send the network connection request to a USB network device module;

 The USB network device module is configured to establish a network connection with the communication unit after receiving the network connection request.

 Further, the network connection port of the application module is a virtual network module port.

 Further, the application unit further includes a USB driver, configured to detect a USB network device module pull-out event when the application unit and/or the communication unit enters a sleep state, and the network connection between the USB network device module and the communication unit is disconnected. Trigger the USB network device module to disconnect from the virtual network module.

 Further, the application unit is further configured to: when the application unit wakes up the communication unit, raise the level of the AP_WAKEUP_MODULE pin according to the GPIO prompt information;

 The communication unit is further configured to: when the communication unit wakes up the application unit, raise the level of the MODULE_WAKEUP_AP pin according to the GPIO prompt information.

 Further, the USB driver is specifically configured to enumerate the USB network device module after detecting a USB network device module insertion event, and trigger the virtual network module to establish a connection with the USB network device module.

Further, the virtual network module is a virtual MODEM module or a virtual network card module. The communication terminal application unit provided by the present invention is based on a pre-configured network connection port letter The network connection request is sent to the virtual network module, so that the application unit sends and receives network data through the virtual network module; when the communication terminal enters the sleep state, the virtual network module can provide an available network connection port for the application unit of the communication terminal, Applications that were previously online can still remain online; in addition, the wake-up functions of the application unit and the communication unit are implemented. DRAWINGS

 1 is a schematic flow chart of a network connection method according to the present invention;

 2 is a schematic flowchart of a specific embodiment of a network connection method according to the present invention;

 3 is a schematic structural diagram of a communication terminal according to the present invention;

 4 is a schematic structural diagram of Embodiment 1 of a communication terminal according to the present invention;

 FIG. 5 is a schematic structural diagram of Embodiment 2 of a communication terminal according to the present invention. detailed description

 The basic idea of the present invention is: The application module of the application unit sends a network connection request to the virtual network module according to the information of the pre-configured network connection port; the virtual network module establishes a connection with the USB network device module for network connection, and The network connection request is sent to a USB network device module, and the USB network device module establishes a network connection with the communication unit.

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

 FIG. 1 shows a flow of a network connection method according to the present invention. As shown in FIG. 1, the method includes the following steps:

 Step 101: The application module of the communication terminal application unit sends the network connection request to the virtual network module according to the information of the pre-configured network connection port.

Specifically, the network connection port of the application module of the communication terminal application unit is configured as a virtual network module port in advance, and when the application module initiates a network connection, the application module is configured according to the network connection. The configuration information of the port sends a network connection request to the virtual network module.

 Step 102: The virtual network module establishes a connection with the USB network device module, sends the received network connection request to the USB network device module, and the USB network device module establishes a network connection with the communication unit.

 Specifically, in this step, after receiving the network connection request sent by the virtual network module, the USB network device module sends a network connection request to the communication unit, and after receiving the network connection request, the communication unit returns a response to the USB network. The device module obtains the response by using the USB network device module, and forwards the response to the application module. After receiving the response, the application module sends and receives network data through the virtual network module to implement network connection.

 FIG. 2 shows a flow of a specific embodiment of a network connection method according to the present invention. As shown in FIG. 2, the embodiment includes the following steps:

 Step 201: Configure a network connection port of an application module of the application unit as a virtual network module port.

 Step 202: When the application module initiates a network connection, send a network connection request to the virtual network module.

 Step 203: The virtual network module opens a USB network device module, sends the received network connection request to the USB network device module, and the USB network device module establishes a network connection with the communication unit.

 Wherein, when the USB network device module is a serial port device module, the virtual network module opens the USB network device module in a serial port manner, and performs data transmission through the serial port and the USB network device module;

The network connection between the USB network device module and the communication unit is specifically as follows: After receiving the network connection request sent by the virtual network module, the USB network device module sends a network connection request to the communication unit, and after receiving the network connection request, the communication unit returns Responding to the USB network device module, the virtual network module acquires the response through the USB network device module, and forwards the response to The application module, after receiving the response, the application module sends and receives network data through the virtual network module to implement network connection.

 Step 204 to step 206, when the application unit and/or the communication unit enters a sleep state, the network connection between the USB network device module and the communication unit is disconnected; the USB driver of the application unit detects that the USB network device module is pulled out, triggering the virtual The network module disconnects from the USB network device module.

 In this step, when the communication terminal enters the sleep state, in order to extend the standby time, the application unit and/or the communication unit enters a sleep state, and the network connection between the USB network device module and the communication unit is disconnected.

 Step 207: When the application unit wakes up the communication unit, the communication terminal generates a general purpose input output (GPIO) indication according to the wake protocol part of the USB protocol, and the application unit raises the level of the AP_WAKEUP_MODULE pin according to the GPIO indication information. , performing step 209;

 Specifically, in this step, the AP_WAKEUP_MODULE pin is a pin for the application unit to wake up the communication unit. In the embodiment of the present invention, when the pin is high, the application unit wakes up the communication unit, that is, the pin is activated when the pin is high. It should be understood that the above pins can also be set to be activated at a low level;

 The duration of the AP_WAKEUP_MODULE pin level is set according to the application processor model of the application unit, etc. In the embodiment of the present invention, the duration of the AP_WAKEUP_MODULE pin level is set to 50ms.

 Step 208, when the communication unit wakes up the application unit, the communication terminal generates the GPIO indication information according to the wake protocol part of the USB protocol, and the communication unit raises the level of the MODULE_WAKEUP_AP pin according to the GPIO indication information, and performs step 209;

Specifically, in this step, the MODULE_WAKEUP_AP pin is a pin for the communication unit to wake up the application unit. In the embodiment of the present invention, when the pin is high, the communication unit wakes up. Using the unit, that is, the pin is activated at a high level, it should be understood that the above pin can also be set to be activated at a low level;

 The duration of the MODULE_WAKEUP_AP pin level is set according to the application processor model of the application unit, etc. In the embodiment of the present invention, the duration of the MODULE_WAKEUP_AP pin level is set to 50 ms.

 Step 209~Step 211, the USB network device module establishes a network connection with the communication unit, and then the USB driver detects an insertion event of the USB network device module, enumerates the USB network device module, and triggers the virtual network module and the USB network device. Specifically, in this step, after the USB driver detects the insertion event of the USB network device module, triggering the establishment of the connection between the virtual network module and the USB network device module, the application module can send and receive network data through the virtual network module, and virtual The network module sends the data to be sent by the USB network device module to the communication unit, and the USB network device module receives the data sent by the communication unit to implement the connection of the network.

 It should be understood that step 204, step 207, and step 208 are not limited by the order. 3 shows the structure of the communication terminal of the present invention. As shown in FIG. 3, the communication terminal includes an application unit 30 and a communication unit 60. The communication unit 60 can be implemented based on a device class abstract control module (CDC-ACM). It can also be implemented based on the Ethernet Control Module (ECM).

 Further, the application unit 30 includes: an application module 31, a virtual network module 32, and a USB network device module 33. The application module 31 is configured to send a network connection request to the network according to the information of the pre-configured network connection port. Virtual network module 32;

 The virtual network module 32, after receiving the network connection request, establish a connection with the USB network device module 33, and send the network connection request to the USB network device module 33;

The USB network device module 33 is configured to establish a network connection with the communication unit 60 after receiving the network connection request; specifically, the USB network device module 33 receives the virtual network module 32. After the network connection request is sent, the network connection request is sent to the communication unit 60. After receiving the network connection request, the communication unit 60 returns a response to the USB network device module 33, and the virtual network module 32 passes the USB network device. The module 33 obtains the response and forwards it to the application module 31. After receiving the response, the application module 31 transmits and receives network data through the virtual network module 32 to implement network connection.

 The network connection port of the application module 31 is a virtual network module port.

 Further, the application unit 30 further includes a USB driver 34 for detecting the USB network when the application unit 30 and/or the communication unit 60 enter a sleep state, and the network connection between the USB network device module 33 and the communication unit 60 is disconnected. The device module 33 pulls out the event, triggering the USB network device module 33 to disconnect from the virtual network module 32;

 The application unit 30 is further configured to: when the application unit 30 wakes up the communication unit 60, raise the level of the AP_WAKEUP_MODULE pin according to the GPIO prompt information; in the present invention, the AP_WAKEUP_MODULE pin is the application unit 30 wakes up the communication unit 60. In the embodiment of the present invention, when the pin is at a high level, the application unit 30 wakes up the communication unit 60, that is, the pin is activated when it is at a high level. It should be understood that the pin can also be set to be at a low level. The duration of the AP_WAKEUP_MODULE pin level is set according to the application processor model of the application unit 30, etc. In the embodiment of the present invention, the duration of the AP-_WAKEUP_MODULE pin level is set to 50 ms.

The communication unit 60 is further configured to: when the communication unit 60 wakes up the application unit 30, raise the level of the MODULE_WAKEUP_AP pin according to the GPIO prompt information; the MODULE_WAKEUP_ AP pin is the communication unit 60 wakes up the pin of the application unit 30, and the present invention In the embodiment, when the pin is high, the communication unit 60 wakes up the application unit 30, that is, the pin is activated when it is at a high level. It should be understood that the above pin can also be set to be activated at a low level; MODULE_WAKEUP_AP tube The duration of the height of the foot is set according to the application processor model of the application unit 30, etc., in the embodiment of the present invention, The duration of the MODULE_WAKEUP_AP pin level is set to 50ms. Further, the USB driver 34 is specifically configured to: after detecting the USB network device module 33 insertion event, enumerate the USB network device module 33, trigger the establishment of the connection between the virtual network module 32 and the USB network device module 33, The application module 31 can send and receive network data through the virtual network module 32, and the virtual network module 32 sends the data to be sent by the USB network device module 33 to the communication unit 60, and the data sent by the communication unit 60 is received by the USB network device module 33. To achieve a network connection.

 Here, the virtual network module 32 may specifically be a virtual MODEM module or a virtual network card module.

 FIG. 4 is a schematic structural diagram of Embodiment 1 of the communication terminal of the present invention. As shown in FIG. 4, the communication terminal includes an application unit 40 and a communication unit 70. The communication unit 70 is implemented based on the CDC-ACM.

 Further, the application unit 40 includes: an application module 41, a virtual MODEM module 42, and a USB network device module 43. The application module 41 is configured to send a network connection request according to the information of the pre-configured network connection port. The virtual MODEM module 42;

 The virtual MODEM module 42 is configured to establish a connection with the USB network device module 43 after receiving the network connection request, and send the network connection request to the USB network device module 43;

The USB network device module 43 is configured to establish a network connection with the communication unit 70 after receiving the network connection request. Specifically, after receiving the network connection request sent by the virtual MODEM module 42, the USB network device module 43 connects the network. The request is sent to the communication unit 70. After receiving the network connection request, the communication unit 70 returns a response to the USB network device module 43. The virtual MODEM module 42 obtains the response through the USB network device module 43 and forwards the response to the application module. After receiving the response, the application module 41 transmits and receives network data through the virtual MODEM module 42 to implement network connection. The network connection port of the application module 41 is a virtual MODEM module port; and the USB network device module 43 can be a serial port device module.

 Further, the application unit 40 further includes a USB driver 44 for detecting the USB network when the application unit 40 and/or the communication unit 70 enter a sleep state, and the network connection between the USB network device module 43 and the communication unit 70 is disconnected. The device module 43 pulls out the event, triggering the USB network device module 43 to disconnect from the virtual MODEM module 42;

 The application unit 40 is further configured to: when the application unit 40 wakes up the communication unit 70, raise the level of the AP_WAKEUP_MODULE pin according to the GPIO prompt information; in the present invention, the AP_WAKEUP_MODULE pin is the application unit 40 waking up the communication unit 70. In the embodiment of the present invention, when the pin is at a high level, the application unit 40 wakes up the communication unit 70, that is, the pin is activated when it is at a high level. It should be understood that the pin can also be set to be at a low level. The duration of the AP_WAKEUP_MODULE pin level is set according to the application processor model of the application unit 40, etc. In the embodiment of the present invention, the duration of the AP_WAKEUP_MODULE pin level is set to 50 ms.

 The communication unit 70 is further configured to: when the communication unit 70 wakes up the application unit 40, raise the level of the MODULE_WAKEUP_AP pin according to the GPIO prompt information; the MODULE_WAKEUP_AP pin is the communication unit 70 wakes up the pin of the application unit 40, and the implementation of the present invention In the example, when the pin is high, the communication unit 70 wakes up the application unit 40, that is, the pin is activated when it is at a high level. It should be understood that the above pin can also be set to be activated at a low level; MODULE_WAKEUP_AP pin The duration of the level pull-up is specifically set according to the application processor model of the application unit 40, etc. In the embodiment of the present invention, the duration of the MODULE_WAKEUP_AP pin level is set to 50 ms.

Further, the USB driver 44 is specifically configured to enumerate the USB network device module 43 after detecting the insertion event of the USB network device module 43 to trigger the establishment of the connection between the virtual MODEM module 42 and the USB network device module 43. Making the application module 41 passable The virtual MODEM module 42 sends and receives network data, and the virtual MODEM module 42 sends the data to be sent by the USB network device module 43 to the communication unit 70, and the USB network device module 43 receives the data sent by the communication unit 70 to implement the network connection. .

 FIG. 5 is a schematic structural diagram of Embodiment 2 of the communication terminal of the present invention. As shown in FIG. 5, the communication terminal includes an application unit 50 and a communication unit 80. The communication unit 80 is implemented based on ECM.

 Further, the application unit 50 includes: an application module 51, a virtual network card module 52, and a USB network device module 53. The application module 51 is configured to send a network connection request according to the information of the pre-configured network connection port. The virtual network card module 52;

 The virtual network card module 52 is configured to establish a connection with the USB network device module 53 after receiving the network connection request, and send the network connection request to the USB network device module 53;

 The USB network device module 53 is configured to establish a network connection with the communication unit 80 after receiving the network connection request. Specifically, after receiving the network connection request sent by the virtual network card module 52, the USB network device module 53 connects the network. The request is sent to the communication unit 80. After receiving the network connection request, the communication unit 80 returns a response to the USB network device module 53, and the virtual network card module 52 obtains the response through the USB network device module 53, and forwards the response to the application module. After receiving the response, the application module 51 transmits and receives network data through the virtual network card module 52 to implement network connection.

 The network connection port of the application module 51 is a virtual network card module port, and the USB network device module 53 can be a network card device.

Further, the application unit 50 further includes a USB driver 54 for detecting the USB network when the application unit 50 and/or the communication unit 80 enter a sleep state, and the network connection between the USB network device module 53 and the communication unit 80 is disconnected. The device module 53 pulls out the event, triggering the USB network device module 53 to disconnect from the virtual network card module 52; The application unit 50 is further configured to: when the application unit 50 wakes up the communication unit 80, raise the level of the AP_WAKEUP_MODULE pin according to the GPIO prompt information; in the present invention, the AP_WAKEUP_MODULE pin is the application unit 50 wakes up the communication unit 80. In the embodiment of the present invention, when the pin is at a high level, the application unit 50 wakes up the communication unit 80, that is, the pin is activated when it is at a high level. It should be understood that the pin can also be set to be at a low level. The duration of the AP_WAKEUP_MODULE pin level is set according to the application processor model of the application unit 50, etc. In the embodiment of the present invention, the duration of the AP_WAKEUP_MODULE pin level is set to 50 ms.

 The communication unit 80 is further configured to: when the communication unit 80 wakes up the application unit 50, raise the level of the MODULE_WAKEUP_AP pin according to the GPIO prompt information; the MODULE_WAKEUP_AP pin is the communication unit 80 wakes up the pin of the application unit 50, and the implementation of the present invention is implemented. In the example, when the pin is high, the communication unit 80 wakes up the application unit 50, that is, the pin is activated when it is at a high level. It should be understood that the above pin can also be set to be activated at a low level; MODULE_WAKEUP_AP pin The duration of the level pull-up is specifically set according to the application processor model of the application unit 50, etc. In the embodiment of the present invention, the duration of the MODULE_WAKEUP_AP pin level is set to 50 ms.

 Further, the USB driver 54 is specifically configured to enumerate the USB network device module 53 after detecting the insertion event of the USB network device module 53 to trigger the establishment of the connection between the virtual network card module 52 and the USB network device module 53. The application module 51 can send and receive network data through the virtual network card module 52. The virtual network card module 52 sends the data to be sent by the USB network device module 53 to the communication unit 80, and the data sent by the communication unit 80 is received by the USB network device module 53. To achieve a network connection.

 The above is only the preferred embodiment of the present invention and is not intended to limit the scope of the present invention.

Claims

Claim  A method for network connection, the method comprising:  The application module of the application unit sends the network connection request to the virtual network module according to the information of the pre-configured network connection port;  The virtual network module establishes a connection with a USB network device module for network connection, and sends the network connection request to the USB network device module, and the USB network device module establishes a network connection with the communication unit.  The method according to claim 1, wherein the method further comprises: configuring a network connection port of the application module as a virtual network module port.  The method according to claim 1, wherein after the step of establishing a network connection between the USB network device module and the communication unit, the method further includes:  When the application unit and/or the communication unit enters the sleep state, the network connection between the USB network device module and the communication unit is disconnected, and the USB driver of the application unit detects the USB network device module pull-out event, triggering the disconnection and virtualization of the USB network device module. The connection of the network module.  The method according to claim 1, 2 or 3, wherein after the step of establishing a network connection between the USB network device module and the communication unit, the method further comprises:  When the application unit wakes up the communication unit, the application unit raises the level of the AP_WAKEUP_MODULE pin according to the general-purpose input and output GPIO indication information, and the USB network device module establishes a network connection with the communication unit; or  When the communication unit wakes up the application unit, the communication unit raises the level of the MODULE_WAKEUP_AP pin according to the GPIO indication information, and the communication unit establishes a network connection with the USB network device module. The method of claim 4, further comprising: the USB driver detecting an insertion event of the USB network device module, and enumerating the USB network device module; The virtual network module establishes a connection with the USB network device module, and the application module transmits and receives network data through the virtual network module.  A communication terminal, comprising: a communication unit, wherein the communication terminal further comprises an application unit; the application unit comprises: an application module, a virtual network module, and a USB network device module;  An application module, configured to send a network connection request to the virtual network module according to the information of the pre-configured network connection port;  a virtual network module, configured to establish a connection with the USB network device module after receiving the network connection request, and send the network connection request to a USB network device module;  The USB network device module is configured to establish a network connection with the communication unit after receiving the network connection request.  The communication terminal according to claim 6, wherein the network connection port of the application module is a virtual network module port.  The communication terminal according to claim 6, wherein the application unit further comprises a USB driver, configured to disconnect the network between the USB network device module and the communication unit when the application unit and/or the communication unit enter a sleep state. When it is turned on, the USB network device module pull-out event is detected, and the USB network device module is triggered to disconnect from the virtual network module.  The communication terminal according to claim 6, 7 or 8, wherein the application unit is further configured to: when the application unit wakes up the communication unit, raise the AP-WAKEUP-MODULE pin according to the GPIO prompt information. Level;  The communication unit is further configured to: when the communication unit wakes up the application unit, raise the level of the MODULE_WAKEUP_AP pin according to the GPIO prompt information. The communication terminal according to claim 9, wherein the USB driver is specifically configured to enumerate the USB network device module after detecting a USB network device module insertion event, triggering establishment of a virtual network module. Connection to a USB network device module. The communication terminal according to claim 6, 7 or 8, wherein the virtual network module is a virtual MODEM module or a virtual network card module.