CN103529793B - The Internet of Things control system of a kind of STA mode based on WIFI and ap mode and control method thereof - Google Patents
The Internet of Things control system of a kind of STA mode based on WIFI and ap mode and control method thereof Download PDFInfo
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Abstract
本发明公开了一种基于WIFI的STA模式与AP模式物联网控制系统及其控制方法，所述控制器内加载有AP软件控制模块和STA软件控制模块，所述AP软件控制模块控制WIFI模块通过AP信道与用户控制终端连接而实现AP直连控制，所述STA软件控制模块控制WIFI模块通过STA信号与无线路由器连接而实现STA跨互联网连接。用户可同时对物联网电器进行STA模式的互联网控制和AP模式的直连控制，也可以实现STA模式的互联网控制和AP模式的直连控制之间的自动切换功能。
The invention discloses a WIFI-based STA mode and AP mode Internet of Things control system and a control method thereof. The controller is loaded with an AP software control module and an STA software control module, and the AP software control module controls the WIFI module through The AP channel is connected with the user control terminal to realize AP direct connection control, and the STA software control module controls the WIFI module to connect with the wireless router through the STA signal to realize the STA cross-internet connection. Users can perform STA mode Internet control and AP mode direct connection control on IoT appliances at the same time, and can also realize the automatic switching function between STA mode Internet control and AP mode direct connection control.
Description
[技术领域][technical field]
本发明涉及一种基于WIFI的STA模式与AP模式的物联网控制系统及其控制方法。The invention relates to a WIFI-based STA mode and AP mode Internet of Things control system and a control method thereof.
[背景技术][Background technique]
目前的基于WIFI的物联网应用于智能家居，智能工业等领域，WIFI只能启用STA模式或AP模式。当控制设备的WIFI模块处于STA模式时，控制设备的WIFI模块是直接连接路由器，通过路由器连接到互联网进而与服务器进行通讯，用户即可通过可联网控制终端（智能手机，PC）进行跨互联网控制；当控制设备的WIFI模块处于AP模式时，具有WIFI功能控制终端可接入此设备AP，并且可以通过直连方式进行点对点控制。The current WIFI-based Internet of Things is used in smart home, smart industry and other fields, and WIFI can only be enabled in STA mode or AP mode. When the WIFI module of the control device is in STA mode, the WIFI module of the control device is directly connected to the router, and then connected to the Internet through the router to communicate with the server, and the user can perform cross-internet control through the networkable control terminal (smart phone, PC) ; When the WIFI module of the control device is in AP mode, the control terminal with WIFI function can access the AP of this device, and can perform point-to-point control through direct connection.
目前，这种方式局限性在于当用户需要直连控制时，必须切换到AP模式，因此控制器设备的WIFI模块必须断开与路由器的连接，即也断开与网络服务器的连接，从而让具有WIFI功能的控制终端可接入此设备AP进行直连控制。同样，当用户需要进行跨互联网控制时，必须断开直连状态，进入STA模式，通过路由器接入互联网，使得可联网控制终端进行跨互联网控制。At present, the limitation of this method is that when the user needs direct connection control, he must switch to the AP mode, so the WIFI module of the controller device must disconnect from the router, that is, also disconnect from the network server, so that users with The control terminal with WIFI function can be connected to the AP of this device for direct connection control. Similarly, when the user needs to perform cross-internet control, he must disconnect the direct connection state, enter the STA mode, and access the Internet through a router, so that the networkable control terminal can perform cross-internet control.
物联网终端电器需要在STA模式与AP模式进行手动的切换时，导致终端产品只能选择一种工作状态或进行繁琐的操作，跨互联网连接或直连；并且无法同时启动以STA模式进行跨互联网和以AP模式进行直连控制。When IoT terminal appliances need to switch manually between STA mode and AP mode, the terminal product can only choose one working state or perform cumbersome operations, cross-internet connection or direct connection; and it cannot start cross-internet in STA mode at the same time And direct connection control in AP mode.
[发明内容][Content of the invention]
本发明克服了上述技术的不足，提供了一种基于WIFI的STA模式与AP模式物联网控制系统，用户可同时对物联网电器进行STA模式的互联网控制和AP模式的直连控制，也可以实现STA模式的互联网控制和AP模式的直连控制之间的自动切换功能。The present invention overcomes the deficiencies of the above-mentioned technologies, and provides a WIFI-based STA mode and AP mode Internet of Things control system. Users can simultaneously perform Internet control in STA mode and direct connection control in AP mode on Internet of Things appliances, and can also realize Automatic switching function between Internet control in STA mode and direct connection control in AP mode.
为实现上述目的，本发明采用了下列技术方案：To achieve the above object, the present invention adopts the following technical solutions:
一种基于WIFI的STA模式与AP模式物联网控制系统，包括有控制器1，所述控制器1内加载有AP软件控制模块和STA软件控制模块，所述控制器1连接有物联网电器2、WIFI模块3，所述WIFI模块3内加载有AP信道和STA信道，所述WIFI模块3无线连接有用户控制终端4和无线路由器5，所述无线路由器5连接有用于记录物联网电器2信息的网络服务器6，所述网络服务器6与用户控制终端4进行无线连接，所述AP软件控制模块控制WIFI模块3通过AP信道与用户控制终端4连接而实现AP直连控制，所述STA软件控制模块控制WIFI模块3通过STA信号与无线路由器5连接而实现STA跨互联网连接，所述控制器1控制AP信道和STA信道同时启用或者相互间自动切换。A WIFI-based STA mode and AP mode IoT control system, including a controller 1, the controller 1 is loaded with an AP software control module and an STA software control module, and the controller 1 is connected with an IoT appliance 2 , WIFI module 3, the AP channel and STA channel are loaded in the WIFI module 3, the WIFI module 3 is wirelessly connected with a user control terminal 4 and a wireless router 5, and the wireless router 5 is connected with a device for recording the information of the Internet of Things electrical appliance 2 network server 6, the network server 6 is wirelessly connected to the user control terminal 4, the AP software control module controls the WIFI module 3 to connect with the user control terminal 4 through the AP channel to realize AP direct connection control, and the STA software control The module controls the WIFI module 3 to connect with the wireless router 5 through the STA signal to realize the STA cross-internet connection, and the controller 1 controls the AP channel and the STA channel to be enabled simultaneously or automatically switched between them.
所述用户控制终端4为具有WIFI功能的智能手机或电脑。The user control terminal 4 is a smart phone or computer with WIFI function.
一种基于WIFI的STA模式与AP模式同时启动的控制方法，其步骤如下：A control method for simultaneously starting STA mode and AP mode based on WIFI, the steps are as follows:
第一步：在控制器1中加载AP软件控制模块和STA软件控制模块；The first step: load the AP software control module and the STA software control module in the controller 1;
第二步：在WIFI模块3中加载AP信道和STA信道；Step 2: Load AP channel and STA channel in WIFI module 3;
第三步：WIFI模块3对无线路由器5服务集标识进行扫描，并判断与控制器1历史记录中的服务集标识是否一致；Step 3: The WIFI module 3 scans the service set identification of the wireless router 5, and judges whether it is consistent with the service set identification in the history record of the controller 1;
第四步：若为一致时，控制器1通过STA软件控制模块发送AT调制解调命令，控制WIFI模块3通过STA信道与无线路由器5建立跨互联网控制连接，否则控制器1检验无线路由器5服务集标识的身份是否正确；Step 4: If they are consistent, controller 1 sends AT modem commands through the STA software control module, and controls WIFI module 3 to establish a cross-Internet control connection with wireless router 5 through the STA channel; otherwise, controller 1 checks the service of wireless router 5 Whether the identity of the set identifier is correct;
第五步：当身份验证正确时，控制器1记录此无线路由器5服务集标识，并通过STA软件控制模块发送AT调制解调命令，控制WIFI模块3通过STA信道与无线路由器5建立跨互联网控制连接，重复第三步；Step 5: When the identity verification is correct, the controller 1 records the service set identifier of the wireless router 5, and sends an AT modem command through the STA software control module, and controls the WIFI module 3 to establish cross-Internet control with the wireless router 5 through the STA channel Connect, repeat the third step;
第六步：WIFI模块3对用户控制终端4的服务集标识进行扫描，并判断与控制器1历史记录中的服务集标识是否一致；Step 6: The WIFI module 3 scans the service set identification of the user control terminal 4, and judges whether it is consistent with the service set identification in the history record of the controller 1;
第七步：若为一致，控制器1通过AP软件控制模块发送AT调制解调命令，控制WIFI模块3通过AP信道与用户控制终端4建立直连控制连接，并且不关闭与无线路由器5STA信道连接，否则控制器1验证用户控制终端4服务集标识身份是否正确；Step 7: If they are consistent, the controller 1 sends the AT modem command through the AP software control module, controls the WIFI module 3 to establish a direct control connection with the user control terminal 4 through the AP channel, and does not close the connection with the wireless router 5STA channel , otherwise the controller 1 verifies whether the service set identity of the user control terminal 4 is correct;
第八步：当控制器1验证用户控制终端4身份正确时，控制器1记录此用户控制器终端4服务集标识，通过AP软件控制模块发送AT调制解调命令，控制WIFI模块3通过AP信道与用户控制终端4建立直连控制连接，并且不关闭与无线路由器5STA信道连接，否则重复第五步；Step 8: When the controller 1 verifies that the identity of the user control terminal 4 is correct, the controller 1 records the service set identifier of the user controller terminal 4, sends an AT modulation and demodulation command through the AP software control module, and controls the WIFI module 3 to pass through the AP channel Establish a direct connection control connection with the user control terminal 4, and do not close the STA channel connection with the wireless router 5, otherwise repeat the fifth step;
一种基于WIFI的STA模式与AP模式相互间自动切换的控制方法，其步骤如下：A control method for automatic switching between STA mode and AP mode based on WIFI, the steps are as follows:
第一步：在控制器1中加载AP软件控制模块和STA软件控制模块；The first step: load the AP software control module and the STA software control module in the controller 1;
第二步：在WIFI模块3中加载AP信道和STA信道；Step 2: Load AP channel and STA channel in WIFI module 3;
第三步：控制器1检测是否收到网络服务器6的AP模式切换信号；The third step: the controller 1 detects whether the AP mode switching signal of the network server 6 is received;
第四步：当控制器1没有检测到网络服务器6的AP模式切换信号时，WIFI模块3对无线路由器5服务集标识进行扫描，并判断是否与控制器1历史记录中的服务集标识一致；Step 4: When the controller 1 does not detect the AP mode switching signal of the network server 6, the WIFI module 3 scans the service set identification of the wireless router 5, and judges whether it is consistent with the service set identification in the history record of the controller 1;
第五步：若为一致，控制器1通过STA软件控制模块发送AT调制解调命令，控制WIFI模块3通过STA信道与无线路由器5建立跨互联网控制连接，否则控制器1验证无线路由器5服务集标识身份是否正确；Step 5: If they are consistent, controller 1 sends AT modem commands through the STA software control module, and controls WIFI module 3 to establish a cross-Internet control connection with wireless router 5 through the STA channel; otherwise, controller 1 verifies the service set of wireless router 5 Whether the identity is correct;
第六步：当身份验证正确时，控制器1记录此无线路由器5服务集标识，并通过STA软件控制模块发送AT调制解调命令，控制WIFI模块3通过STA信道与无线路由器4建立跨互联网控制连接，否则重复第三步；Step 6: When the identity verification is correct, the controller 1 records the service set identifier of the wireless router 5, and sends an AT modem command through the STA software control module, and controls the WIFI module 3 to establish cross-Internet control with the wireless router 4 through the STA channel Connect, otherwise repeat the third step;
第七步：当控制器1检测到网络服务器6的AP模式切换信号时，WIFI模块3扫描是否存在用户控制终端4的服务集标识；Step 7: When the controller 1 detects the AP mode switching signal of the network server 6, the WIFI module 3 scans whether there is a service set identifier of the user control terminal 4;
第八步：若扫描到用户控制终端4的服务集标识，判断与控制器1历史记录中的服务集标识是否一致；Step 8: If the service set identification of the user control terminal 4 is scanned, judge whether it is consistent with the service set identification in the history record of the controller 1;
第九步：若为一致，控制器1通过AP软件控制模块发送AT调制解调命令，控制WIFI模块3通过AP信道与用户控制终端4建立直连控制连接，否则控制器1验证用户控制终端4的服务集标识身份是否正确；Step 9: If it is consistent, the controller 1 sends the AT modem command through the AP software control module, and controls the WIFI module 3 to establish a direct control connection with the user control terminal 4 through the AP channel, otherwise the controller 1 verifies the user control terminal 4 Whether the ID of the service set is correct;
第十步：当控制器1验证用户控制终端4身份正确时，控制器1记录此用户控制终端4服务集标识，并通过AP软件控制模块发送AT调制解调命令，控制WIFI模块3通过AP信道与用户控制终端4建立直连控制连接，否则重复第七步；Step 10: When the controller 1 verifies that the identity of the user control terminal 4 is correct, the controller 1 records the service set identifier of the user control terminal 4, and sends an AT modem command through the AP software control module to control the WIFI module 3 to pass through the AP channel Establish a direct connection control connection with the user control terminal 4, otherwise repeat the seventh step;
第十一步：若没有扫描用户控制终端4的服务集标识时，判断扫描时间是否为时间T；Step 11: If the service set identifier of the user control terminal 4 is not scanned, determine whether the scanning time is time T;
第十二步：若扫描时间为时间T，则重复第二步，否则重复步骤第七步。Step 12: If the scanning time is time T, repeat the second step, otherwise repeat the seventh step.
所述时间T为3分钟。The time T is 3 minutes.
本发明的有益效果是：The beneficial effects of the present invention are:
1、本发明能同时对物联网电器进行STA模式的互联网控制和AP模式的直连控制，实现了终端状态、直连状态与跨互联网状态三者进行状态同步，使WIFI广泛应用在单个物联网电器中。1. The present invention can carry out the Internet control of STA mode and the direct connection control of AP mode on the Internet of Things appliances at the same time, and realize the state synchronization of the terminal state, direct connection state and cross-Internet state, so that WIFI is widely used in a single Internet of Things electrical appliances.
2、本发明实现了STA模式与AP模式同时连接，能直接对物联网电器进行控制，避免了跨互联网控制造成的延时，增强用户体现，同时能将物联网数据通过互联网存储到网络服务器中。2. The present invention realizes the simultaneous connection of STA mode and AP mode, can directly control the Internet of Things electrical appliances, avoids the delay caused by cross-Internet control, enhances user performance, and can store the Internet of Things data to the network server through the Internet at the same time .
3、本发明实现了STA模式的互联网控制和AP模式的直连控制自动切换，代替了用户通过手动方式切换两种状态，提高了控制物联网电器的灵活性。3. The present invention realizes the automatic switching between the Internet control of the STA mode and the direct connection control of the AP mode, which replaces the manual switching of the two states by the user, and improves the flexibility of controlling the Internet of Things electrical appliance.
[附图说明][Description of drawings]
图1为本发明的结构示意图；Fig. 1 is a structural representation of the present invention;
图2为本发明的STA模式与AP模式同时启动的控制方法流程图；Fig. 2 is the flow chart of the control method that STA mode and AP mode start simultaneously of the present invention;
图3为本发明的STA模式与AP模式相互间自动切换的控制方法流程图。FIG. 3 is a flow chart of the control method for automatic switching between the STA mode and the AP mode according to the present invention.
[具体实施方式][Detailed ways]
下面结合附图与本发明的实施方式作进一步详细的描述：A further detailed description will be made below in conjunction with the accompanying drawings and embodiments of the present invention:
如图1所示，一种基于WIFI的STA模式与AP模式物联网控制系统，包括有控制器1，所述控制器1内加载有AP软件控制模块和STA软件控制模块，所述控制器1连接有物联网电器2、WIFI模块3，所述WIFI模块3内加载有AP信道和STA信道，所述WIFI模块3无线连接有用户控制终端4和无线路由器5，所述无线路由器5连接有用于记录物联网电器2信息的网络服务器6，所述网络服务器6与用户控制终端4进行无线连接，所述AP软件控制模块控制WIFI模块3通过AP信道与用户控制终端4连接而实现AP直连控制，所述STA软件控制模块控制WIFI模块3通过STA信号与无线路由器5连接而实现STA跨互联网连接，所述控制器1控制AP信道和STA信道用于同时启用或者相互间自动切换。As shown in Figure 1, a WIFI-based STA mode and AP mode Internet of Things control system includes a controller 1, and the controller 1 is loaded with an AP software control module and an STA software control module, and the controller 1 Internet of Things appliances 2 and WIFI module 3 are connected, AP channel and STA channel are loaded in the WIFI module 3, and the WIFI module 3 is wirelessly connected with a user control terminal 4 and a wireless router 5, and the wireless router 5 is connected with a The network server 6 that records the information of the Internet of Things electrical appliance 2, the network server 6 is wirelessly connected to the user control terminal 4, and the AP software control module controls the WIFI module 3 to connect with the user control terminal 4 through the AP channel to realize AP direct connection control , the STA software control module controls the WIFI module 3 to connect with the wireless router 5 through STA signals to realize the STA cross-internet connection, and the controller 1 controls the AP channel and the STA channel for simultaneous enabling or mutual automatic switching.
所述用户控制终端4为具有WIFI功能的智能手机或电脑。The user control terminal 4 is a smart phone or computer with WIFI function.
一种基于WIFI的STA模式与AP模式同时启动的控制方法，其步骤如下：A control method for simultaneously starting STA mode and AP mode based on WIFI, the steps are as follows:
步骤一、在控制器1中加载AP软件控制模块和STA软件控制模块；Step 1, loading the AP software control module and the STA software control module in the controller 1;
步骤二、在WIFI模块3中加载AP信道和STA信道；Step 2, load AP channel and STA channel in WIFI module 3;
步骤三、WIFI模块3对无线路由器5服务集标识进行扫描，并判断与控制器1历史记录中的服务集标识是否一致；Step 3, the WIFI module 3 scans the service set identifier of the wireless router 5, and judges whether it is consistent with the service set identifier in the history record of the controller 1;
步骤四、若为一致时，控制器1通过STA软件控制模块发送AT调制解调命令，控制WIFI模块3通过STA信道与无线路由器5建立跨互联网控制连接，否则检验无线路由器5服务集标识的身份是否正确；Step 4, if it is consistent, the controller 1 sends an AT modem command through the STA software control module to control the WIFI module 3 to establish a cross-Internet control connection with the wireless router 5 through the STA channel, otherwise check the identity of the wireless router 5 service set identifier is it right or not;
步骤五、当身份验证正确时，控制器1记录此无线路由器5服务集标识，并通过STA软件控制模块发送AT调制解调命令，控制WIFI模块3通过STA信道与无线路由器5建立跨互联网控制连接，重复步骤三；Step 5, when the identity verification is correct, the controller 1 records the service set identifier of the wireless router 5, and sends an AT modem command through the STA software control module, and controls the WIFI module 3 to establish a cross-Internet control connection with the wireless router 5 through the STA channel , repeat step three;
步骤六、WIFI模块3对用户控制终端4的服务集标识进行扫描，并判断与控制器1历史记录中的服务集标识是否一致；Step 6, the WIFI module 3 scans the service set identification of the user control terminal 4, and judges whether it is consistent with the service set identification in the history record of the controller 1;
步骤七、若为一致，控制器1通过AP软件控制模块发送AT调制解调命令，控制WIFI模块3通过AP信道与用户控制终端4建立直连控制连接，并且不关闭与无线路由器5STA信道连接，否则控制器1验证用户控制终端4服务集标识身份是否正确；Step 7, if it is consistent, the controller 1 sends the AT modem command through the AP software control module, controls the WIFI module 3 to establish a direct connection control connection with the user control terminal 4 through the AP channel, and does not close the STA channel connection with the wireless router 5, Otherwise, the controller 1 verifies whether the service set identity of the user control terminal 4 is correct;
步骤八、当控制器1验证用户控制终端4身份正确时，控制器1记录此用户控制器终端4服务集标识，通过AP软件控制模块发送AT调制解调命令，控制WIFI模块3通过AP信道与用户控制终端4建立直连控制连接，并且不关闭与无线路由器5STA信道连接，否则重复步骤六；Step 8. When the controller 1 verifies that the identity of the user control terminal 4 is correct, the controller 1 records the service set identifier of the user controller terminal 4, sends an AT modulation and demodulation command through the AP software control module, and controls the WIFI module 3 to communicate with the user through the AP channel. The user control terminal 4 establishes a direct connection control connection, and does not close the STA channel connection with the wireless router 5, otherwise repeat step six;
控制器1与WIFI模块3通过UART主线进行连接与控制，实现WIFI模块3可同时在AP模式与STA模式状态下进行工作。The controller 1 and the WIFI module 3 are connected and controlled through the UART main line, so that the WIFI module 3 can work in the AP mode and the STA mode at the same time.
在控制器1中，同时启动AP控制软件模块和STA控制软件模块，两个控制软件模块同时工作，使得WIFI模块3建立AP通道和STA通道双通信信道。其中，AP通道，使WIFI模块3与用户控制终端进行直连控制的信道；STA通道，使WIFI模块3直接接入无线路由器5而与互联网连接的信道，通过互联网将物联网电器2的状态信息以及使用数据上传到网络服务器6中。In the controller 1, the AP control software module and the STA control software module are started at the same time, and the two control software modules work at the same time, so that the WIFI module 3 establishes dual communication channels of the AP channel and the STA channel. Among them, the AP channel is the channel through which the WIFI module 3 and the user control terminal are directly connected and controlled; the STA channel is the channel through which the WIFI module 3 is directly connected to the wireless router 5 and connected to the Internet, and the status information of the Internet of Things appliance 2 is transmitted through the Internet. And the usage data is uploaded to the network server 6 .
其中，控制器1为CortexTM-M3/CortexTM-M0或更高级别的ARM系列，并且控制器1设有预留接口（SPI/UART/GPIO/IIC等）与应用设备进行通讯。Among them, controller 1 is CortexTM -M3/ Cortex TM -M0 or higher-level ARM series, and the controller 1 has reserved interfaces (SPI/UART/GPIO/IIC, etc.) to communicate with application equipment.
当系统的状态发生一次改变时，WIFI模块3同时启用AP模式与STA模式时，系统的状态会通过无线路由器5将状态发送至网络服务器6后端进行同步。同时，系统的工作状态发送至正在与系统直连的用户控制终端4中，并且控制器1的工作状态也作出改变，使三者实现状态同步。When the state of the system changes once, when the WIFI module 3 enables the AP mode and the STA mode at the same time, the state of the system will be sent to the back end of the network server 6 through the wireless router 5 for synchronization. At the same time, the working status of the system is sent to the user control terminal 4 which is directly connected to the system, and the working status of the controller 1 is also changed, so that the three can realize the status synchronization.
一种基于WIFI的STA模式与AP模式相互切换的控制方法，其步骤如下：A control method for switching between a STA mode and an AP mode based on WIFI, the steps of which are as follows:
步骤一、在控制器1中加载AP软件控制模块和STA软件控制模块；Step 1, loading the AP software control module and the STA software control module in the controller 1;
步骤二、在WIFI模块3中加载AP信道和STA信道；Step 2, load AP channel and STA channel in WIFI module 3;
步骤三、控制器1检测是否收到网络服务器6的AP模式切换信号；Step 3, the controller 1 detects whether the AP mode switching signal of the network server 6 is received;
步骤四、当控制器1没有检测到网络服务器6的AP模式切换信号时，WIFI模块3对无线路由器5服务集标识进行扫描，并判断是否与控制器1历史记录中的服务集标识一致；Step 4, when the controller 1 does not detect the AP mode switching signal of the network server 6, the WIFI module 3 scans the service set identification of the wireless router 5, and judges whether it is consistent with the service set identification in the history record of the controller 1;
步骤五、若为一致，控制器1通过STA软件控制模块发送AT调制解调命令，控制WIFI模块3通过STA信道与无线路由器5建立跨互联网控制连接，否则验证无线路由器5服务集标识身份是否正确；Step 5. If they are consistent, the controller 1 sends an AT modem command through the STA software control module to control the WIFI module 3 to establish a cross-Internet control connection with the wireless router 5 through the STA channel, otherwise verify whether the identity of the service set of the wireless router 5 is correct ;
步骤六、当身份验证正确时，控制器1记录此无线路由器5服务集标识，并通过STA软件控制模块发送AT调制解调命令，控制WIFI模块3通过STA信道与无线路由器4建立跨互联网控制连接，否则重复步骤三；Step 6. When the identity verification is correct, the controller 1 records the service set identifier of the wireless router 5, and sends an AT modem command through the STA software control module, and controls the WIFI module 3 to establish a cross-Internet control connection with the wireless router 4 through the STA channel , otherwise repeat step 3;
步骤七、当控制器1检测到网络服务器6的AP模式切换信号时，WIFI模块3扫描是否存在用户控制终端4的服务集标识；Step 7, when the controller 1 detects the AP mode switching signal of the network server 6, the WIFI module 3 scans whether there is a service set identifier of the user control terminal 4;
步骤八、若扫描到用户控制终端4的服务集标识，判断与控制器1历史记录中的服务集标识是否一致；Step 8, if the service set identification of the user control terminal 4 is scanned, judge whether it is consistent with the service set identification in the history record of the controller 1;
步骤九、若为一致，控制器1通过AP软件控制模块发送AT调制解调命令，控制WIFI模块3通过AP信道与用户控制终端4建立直连控制连接，否则验证用户控制终端4的服务集标识身份是否正确；Step 9. If it is consistent, the controller 1 sends an AT modem command through the AP software control module, and controls the WIFI module 3 to establish a direct control connection with the user control terminal 4 through the AP channel; otherwise, verify the service set identifier of the user control terminal 4 Is the identity correct;
步骤十、当控制器1验证用户控制终端4身份正确时，控制器1记录此用户控制终端4服务集标识，并通过AP软件控制模块发送AT调制解调命令，控制WIFI模块3通过AP信道与用户控制终端4建立直连控制连接，否则重复步骤七；Step 10. When the controller 1 verifies that the identity of the user control terminal 4 is correct, the controller 1 records the service set identifier of the user control terminal 4, and sends an AT modulation and demodulation command through the AP software control module, and controls the WIFI module 3 to communicate with the user through the AP channel. User control terminal 4 establishes a direct connection control connection, otherwise repeat step seven;
步骤十一、若没有扫描用户控制终端4的服务集标识时，判断扫描时间是否为时间T；Step 11, if the service set identifier of the user control terminal 4 is not scanned, determine whether the scanning time is time T;
步骤十二、若扫描时间为时间T，则重复步骤三，否则重复步骤七。Step 12. If the scan time is time T, repeat step 3, otherwise repeat step 7.
其中，所述时间T为3分钟。Wherein, the time T is 3 minutes.
当WIFI模块3检测到用户控制终端4的服务集标识时，则发送命令让WIFI模块3从STA模式自动切换到AP模式。反之，若用户控制终端4离开此环境后，WIFI模块3在3分钟内检测不到用户控制终端4的服务集标识时，系统将从AP模式直连状态，自动切换到STA模式。When the WIFI module 3 detects the SSID of the user-controlled terminal 4, it sends a command to make the WIFI module 3 automatically switch from the STA mode to the AP mode. Conversely, if the WIFI module 3 fails to detect the service set identifier of the user-controlled terminal 4 within 3 minutes after the user-controlled terminal 4 leaves the environment, the system will automatically switch from the direct connection state of the AP mode to the STA mode.
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Granted publication date: 20151223 |