mbed-os/features/netsocket/WiFiInterface.h

93 lines
2.8 KiB
C++

/* WiFiInterface
* Copyright (c) 2015 ARM Limited
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef WIFI_INTERFACE_H
#define WIFI_INTERFACE_H
#include "netsocket/NetworkInterface.h"
/** Enum of WiFi encryption types
*
* The security type specifies a particular security to use when
* connected to a WiFi network
*
* @enum nsapi_protocol_t
*/
enum nsapi_security_t {
NSAPI_SECURITY_NONE = 0, /*!< open access point */
NSAPI_SECURITY_WEP, /*!< phrase conforms to WEP */
NSAPI_SECURITY_WPA, /*!< phrase conforms to WPA */
NSAPI_SECURITY_WPA2, /*!< phrase conforms to WPA2 */
};
/** WiFiInterface class
*
* Common interface that is shared between WiFi devices
*/
class WiFiInterface: public NetworkInterface
{
public:
/** WiFiInterface lifetime
*/
WiFiInterface();
virtual ~WiFiInterface();
/** Set the WiFi network credentials
*
* @param ssid Name of the network to connect to
* @param pass Security passphrase to connect to the network
* @param security Type of encryption for connection
* (defaults to NSAPI_SECURITY_NONE)
*/
virtual int set_credentials(const char *ssid, const char *pass, nsapi_security_t security = NSAPI_SECURITY_NONE);
/** Start the interface
*
* Attempts to connect to a WiFi network. If passphrase is invalid,
* NSAPI_ERROR_AUTH_ERROR is returned.
*
* @param ssid Name of the network to connect to
* @param pass Security passphrase to connect to the network
* @param security Type of encryption for connection
* @return 0 on success, negative error code on failure
*/
virtual int connect(const char *ssid, const char *pass, nsapi_security_t security = NSAPI_SECURITY_NONE) = 0;
/** Start the interface
*
* Attempts to connect to a WiFi network. Requires ssid and passphrase to be set.
* If passphrase is invalid, NSAPI_ERROR_AUTH_ERROR is returned.
*
* @return 0 on success, negative error code on failure
*/
virtual int connect();
/** Stop the interface
*
* @return 0 on success, negative error code on failure
*/
virtual int disconnect() = 0;
private:
char *_ssid;
char *_pass;
nsapi_security_t _security;
};
#endif