mbed-os/targets/TARGET_Realtek/TARGET_AMEBA/RTWInterface.h

117 lines
4.1 KiB
C++

/* Ameba implementation of NetworkInterfaceAPI
* 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 RTW_INTERFACE_H
#define RTW_INTERFACE_H
#include "netsocket/NetworkInterface.h"
#include "netsocket/WiFiInterface.h"
#include "nsapi.h"
#include "rtos.h"
#include "netif.h"
#include "rtw_emac.h"
#include "OnboardNetworkStack.h"
#include "EMACInterface.h"
#include "LWIPStack.h"
// Forward declaration
class NetworkStack;
/** Realtek Wlan (RTW) interface class
* Implementation of the NetworkStack for Ameba
*/
class RTWInterface: public WiFiInterface, public EMACInterface
{
public:
/** RTWWlanInterface lifetime
*/
RTWInterface(
RTW_EMAC &rtw_emac = RTW_EMAC::get_instance(),
OnboardNetworkStack &rtw_lwip_stack = OnboardNetworkStack::get_default_instance());
~RTWInterface();
/** 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);
/** 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);
/** Start the interface
* @return 0 on success, negative on failure
*/
virtual nsapi_error_t connect();
/** Stop the interface
* @return 0 on success, negative on failure
*/
virtual nsapi_error_t disconnect();
virtual int is_connected();
/** Scan for available networks
*
* The scan will
* If the network interface is set to non-blocking mode, scan will attempt to scan
* for WiFi networks asynchronously and return NSAPI_ERROR_WOULD_BLOCK. If a callback
* is attached, the callback will be called when the operation has completed.
* @param ap Pointer to allocated array to store discovered AP
* @param count Size of allocated @a res array, or 0 to only count available AP
* @param timeout Timeout in milliseconds; 0 for no timeout (Default: 0)
* @return Number of entries in @a, or if @a count was 0 number of available networks, negative on error
* see @a nsapi_error
*/
virtual nsapi_size_or_error_t scan(WiFiAccessPoint *res, unsigned count);
virtual nsapi_error_t set_channel(uint8_t channel);
virtual int8_t get_rssi();
RTW_EMAC &get_emac() const { return rtw_emac; }
virtual RTWInterface *rtwInterface() { return this; }
protected:
/** Provide access to the underlying stack
*
* @return The underlying network stack
*/
virtual NetworkStack *get_stack();
RTW_EMAC &rtw_emac;
OnboardNetworkStack &rtw_obn_stack;
char _ssid[256];
char _pass[256];
nsapi_security_t _security;
uint8_t _channel;
};
#endif