Nicolas Borla
/
BBR_1Ebene
BBR 1 Ebene
Diff: mbed-os/features/netsocket/WiFiInterface.h
- Revision:
- 0:fbdae7e6d805
diff -r 000000000000 -r fbdae7e6d805 mbed-os/features/netsocket/WiFiInterface.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed-os/features/netsocket/WiFiInterface.h Mon May 14 11:29:06 2018 +0000 @@ -0,0 +1,106 @@ + +/* WiFiInterface + * Copyright (c) 2015 - 2016 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 <string.h> +#include "netsocket/NetworkInterface.h" +#include "netsocket/WiFiAccessPoint.h" + +/** WiFiInterface class + * + * Common interface that is shared between WiFi devices + * @addtogroup netsocket + */ +class WiFiInterface: public NetworkInterface +{ +public: + /** WiFiInterface lifetime + */ + 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) + * @return 0 on success, or error code on failure + */ + virtual nsapi_error_t set_credentials(const char *ssid, const char *pass, + nsapi_security_t security = NSAPI_SECURITY_NONE) = 0; + + /** Set the WiFi network channel + * + * @param channel Channel on which the connection is to be made, or 0 for any (Default: 0) + * @return 0 on success, or error code on failure + */ + virtual nsapi_error_t set_channel(uint8_t channel) = 0; + + /** Gets the current radio signal strength for active connection + * + * @return Connection strength in dBm (negative value), + * or 0 if measurement impossible + */ + virtual int8_t get_rssi() = 0; + + /** Start the interface + * + * Attempts to connect to a WiFi network. + * + * @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 (Default: NSAPI_SECURITY_NONE) + * @param channel Channel on which the connection is to be made, or 0 for any (Default: 0) + * @return 0 on success, or error code on failure + */ + virtual nsapi_error_t connect(const char *ssid, const char *pass, + nsapi_security_t security = NSAPI_SECURITY_NONE, uint8_t channel = 0) = 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 nsapi_error_t connect() = 0; + + /** Stop the interface + * + * @return 0 on success, or error code on failure + */ + virtual nsapi_error_t disconnect() = 0; + + /** Scan for available networks + * + * This function will block. If the @a count is 0, function will only return count of available networks, so that + * user can allocated necessary memory. If the \p count is grater than 0 and the a \p res is not NULL it'll be populated + * with discovered networks up to value of \p count. + * + * @param res Pointer to allocated array to store discovered AP + * @param count Size of allocated @a res array, or 0 to only count available AP + * @return Number of entries in \p count, or if \p count was 0 number of available networks, + * negative on error see @a nsapi_error + */ + virtual nsapi_size_or_error_t scan(WiFiAccessPoint *res, nsapi_size_t count) = 0; +}; + +#endif + +/** @}*/