Entrega 3er corte - sistemas embebidos

Committer:
Bethory
Date:
Wed May 30 00:01:50 2018 +0000
Revision:
0:6ad07c9019fd
Codigo de tales para todos los pasculaes

Who changed what in which revision?

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Bethory 0:6ad07c9019fd 1
Bethory 0:6ad07c9019fd 2 /* WiFiInterface
Bethory 0:6ad07c9019fd 3 * Copyright (c) 2015 - 2016 ARM Limited
Bethory 0:6ad07c9019fd 4 *
Bethory 0:6ad07c9019fd 5 * Licensed under the Apache License, Version 2.0 (the "License");
Bethory 0:6ad07c9019fd 6 * you may not use this file except in compliance with the License.
Bethory 0:6ad07c9019fd 7 * You may obtain a copy of the License at
Bethory 0:6ad07c9019fd 8 *
Bethory 0:6ad07c9019fd 9 * http://www.apache.org/licenses/LICENSE-2.0
Bethory 0:6ad07c9019fd 10 *
Bethory 0:6ad07c9019fd 11 * Unless required by applicable law or agreed to in writing, software
Bethory 0:6ad07c9019fd 12 * distributed under the License is distributed on an "AS IS" BASIS,
Bethory 0:6ad07c9019fd 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
Bethory 0:6ad07c9019fd 14 * See the License for the specific language governing permissions and
Bethory 0:6ad07c9019fd 15 * limitations under the License.
Bethory 0:6ad07c9019fd 16 */
Bethory 0:6ad07c9019fd 17
Bethory 0:6ad07c9019fd 18 #ifndef WIFI_INTERFACE_H
Bethory 0:6ad07c9019fd 19 #define WIFI_INTERFACE_H
Bethory 0:6ad07c9019fd 20
Bethory 0:6ad07c9019fd 21 #include <string.h>
Bethory 0:6ad07c9019fd 22 #include "netsocket/NetworkInterface.h"
Bethory 0:6ad07c9019fd 23 #include "netsocket/WiFiAccessPoint.h"
Bethory 0:6ad07c9019fd 24
Bethory 0:6ad07c9019fd 25 /** WiFiInterface class
Bethory 0:6ad07c9019fd 26 *
Bethory 0:6ad07c9019fd 27 * Common interface that is shared between WiFi devices
Bethory 0:6ad07c9019fd 28 * @addtogroup netsocket
Bethory 0:6ad07c9019fd 29 */
Bethory 0:6ad07c9019fd 30 class WiFiInterface: public NetworkInterface
Bethory 0:6ad07c9019fd 31 {
Bethory 0:6ad07c9019fd 32 public:
Bethory 0:6ad07c9019fd 33 /** WiFiInterface lifetime
Bethory 0:6ad07c9019fd 34 */
Bethory 0:6ad07c9019fd 35 virtual ~WiFiInterface() {};
Bethory 0:6ad07c9019fd 36
Bethory 0:6ad07c9019fd 37 /** Set the WiFi network credentials
Bethory 0:6ad07c9019fd 38 *
Bethory 0:6ad07c9019fd 39 * @param ssid Name of the network to connect to
Bethory 0:6ad07c9019fd 40 * @param pass Security passphrase to connect to the network
Bethory 0:6ad07c9019fd 41 * @param security Type of encryption for connection
Bethory 0:6ad07c9019fd 42 * (defaults to NSAPI_SECURITY_NONE)
Bethory 0:6ad07c9019fd 43 * @return 0 on success, or error code on failure
Bethory 0:6ad07c9019fd 44 */
Bethory 0:6ad07c9019fd 45 virtual nsapi_error_t set_credentials(const char *ssid, const char *pass,
Bethory 0:6ad07c9019fd 46 nsapi_security_t security = NSAPI_SECURITY_NONE) = 0;
Bethory 0:6ad07c9019fd 47
Bethory 0:6ad07c9019fd 48 /** Set the WiFi network channel
Bethory 0:6ad07c9019fd 49 *
Bethory 0:6ad07c9019fd 50 * @param channel Channel on which the connection is to be made, or 0 for any (Default: 0)
Bethory 0:6ad07c9019fd 51 * @return 0 on success, or error code on failure
Bethory 0:6ad07c9019fd 52 */
Bethory 0:6ad07c9019fd 53 virtual nsapi_error_t set_channel(uint8_t channel) = 0;
Bethory 0:6ad07c9019fd 54
Bethory 0:6ad07c9019fd 55 /** Gets the current radio signal strength for active connection
Bethory 0:6ad07c9019fd 56 *
Bethory 0:6ad07c9019fd 57 * @return Connection strength in dBm (negative value),
Bethory 0:6ad07c9019fd 58 * or 0 if measurement impossible
Bethory 0:6ad07c9019fd 59 */
Bethory 0:6ad07c9019fd 60 virtual int8_t get_rssi() = 0;
Bethory 0:6ad07c9019fd 61
Bethory 0:6ad07c9019fd 62 /** Start the interface
Bethory 0:6ad07c9019fd 63 *
Bethory 0:6ad07c9019fd 64 * Attempts to connect to a WiFi network.
Bethory 0:6ad07c9019fd 65 *
Bethory 0:6ad07c9019fd 66 * @param ssid Name of the network to connect to
Bethory 0:6ad07c9019fd 67 * @param pass Security passphrase to connect to the network
Bethory 0:6ad07c9019fd 68 * @param security Type of encryption for connection (Default: NSAPI_SECURITY_NONE)
Bethory 0:6ad07c9019fd 69 * @param channel Channel on which the connection is to be made, or 0 for any (Default: 0)
Bethory 0:6ad07c9019fd 70 * @return 0 on success, or error code on failure
Bethory 0:6ad07c9019fd 71 */
Bethory 0:6ad07c9019fd 72 virtual nsapi_error_t connect(const char *ssid, const char *pass,
Bethory 0:6ad07c9019fd 73 nsapi_security_t security = NSAPI_SECURITY_NONE, uint8_t channel = 0) = 0;
Bethory 0:6ad07c9019fd 74
Bethory 0:6ad07c9019fd 75 /** Start the interface
Bethory 0:6ad07c9019fd 76 *
Bethory 0:6ad07c9019fd 77 * Attempts to connect to a WiFi network. Requires ssid and passphrase to be set.
Bethory 0:6ad07c9019fd 78 * If passphrase is invalid, NSAPI_ERROR_AUTH_ERROR is returned.
Bethory 0:6ad07c9019fd 79 *
Bethory 0:6ad07c9019fd 80 * @return 0 on success, negative error code on failure
Bethory 0:6ad07c9019fd 81 */
Bethory 0:6ad07c9019fd 82 virtual nsapi_error_t connect() = 0;
Bethory 0:6ad07c9019fd 83
Bethory 0:6ad07c9019fd 84 /** Stop the interface
Bethory 0:6ad07c9019fd 85 *
Bethory 0:6ad07c9019fd 86 * @return 0 on success, or error code on failure
Bethory 0:6ad07c9019fd 87 */
Bethory 0:6ad07c9019fd 88 virtual nsapi_error_t disconnect() = 0;
Bethory 0:6ad07c9019fd 89
Bethory 0:6ad07c9019fd 90 /** Scan for available networks
Bethory 0:6ad07c9019fd 91 *
Bethory 0:6ad07c9019fd 92 * This function will block. If the @a count is 0, function will only return count of available networks, so that
Bethory 0:6ad07c9019fd 93 * 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
Bethory 0:6ad07c9019fd 94 * with discovered networks up to value of \p count.
Bethory 0:6ad07c9019fd 95 *
Bethory 0:6ad07c9019fd 96 * @param res Pointer to allocated array to store discovered AP
Bethory 0:6ad07c9019fd 97 * @param count Size of allocated @a res array, or 0 to only count available AP
Bethory 0:6ad07c9019fd 98 * @return Number of entries in \p count, or if \p count was 0 number of available networks,
Bethory 0:6ad07c9019fd 99 * negative on error see @a nsapi_error
Bethory 0:6ad07c9019fd 100 */
Bethory 0:6ad07c9019fd 101 virtual nsapi_size_or_error_t scan(WiFiAccessPoint *res, nsapi_size_t count) = 0;
Bethory 0:6ad07c9019fd 102 };
Bethory 0:6ad07c9019fd 103
Bethory 0:6ad07c9019fd 104 #endif
Bethory 0:6ad07c9019fd 105
Bethory 0:6ad07c9019fd 106 /** @}*/