This is WizFi250 library for NetworkInterfaceAPI of mbed5
Dependents: HelloWizFi250Interface
Diff: WizFi250Interface.cpp
- Revision:
- 0:e3dc9e54a15b
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/WizFi250Interface.cpp Tue Aug 30 00:05:24 2016 +0000 @@ -0,0 +1,214 @@ +/* WizFi250 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. + */ + + +#include "WizFi250Interface.h" + +// Various timeouts for different WizFi250 operations +#define WizFi250_CONNECT_TIMEOUT 15000 +#define WizFi250_SEND_TIMEOUT 500 +#define WizFi250_RECV_TIMEOUT 0 +#define WizFi250_MISC_TIMEOUT 500 + +#define WizFi250_DELAY_MS 300 + + +// WizFi250Interface implementation +WizFi250Interface::WizFi250Interface(PinName tx, PinName rx, PinName cts, PinName rts, PinName reset, PinName alarm, int baud) + : _wizfi250(tx, rx, cts, rts, reset, alarm, baud) +{ + memset(_ids, 0, sizeof(_ids)); +} + +int WizFi250Interface::connect( + const char *ssid, + const char *pass, + nsapi_security_t security) +{ + if (!_wizfi250.startup()) + { + return NSAPI_ERROR_DEVICE_ERROR; + } + + _wizfi250.setSsid(ssid); + _wizfi250.setSec(WizFi250::SEC_AUTO, pass); + _wizfi250.setAddress(""); + + if( _wizfi250.join(WizFi250::WM_STATION) == -1) + { + return NSAPI_ERROR_NO_CONNECTION; + } + + return 0; +} + +int WizFi250Interface::disconnect() +{ + if ( _wizfi250.cmdWLEAVE() == -1 ) return NSAPI_ERROR_DEVICE_ERROR; + + return 0; +} + +const char *WizFi250Interface::get_ip_address() +{ + return _wizfi250.getIPAddress(); +} + +const char *WizFi250Interface::get_mac_address() +{ + return _wizfi250.getMACAddress(); +} + +struct wizfi250_socket { + int id; + nsapi_protocol_t proto; + bool connected; +}; + +int WizFi250Interface::socket_open(void **handle, nsapi_protocol_t proto) +{ + // Look for an unused socket + + /* + int id = -1; + + for (int i = 0; i < WIZFI250_SOCKET_COUNT; i++) { + if (_ids[i] == false) { + id = i; + _ids[i] = true; + break; + } + } + + if (id == -1) { + return NSAPI_ERROR_NO_SOCKET; + } + */ + + struct wizfi250_socket *socket = new struct wizfi250_socket; + if (!socket) { + return NSAPI_ERROR_NO_SOCKET; + } + + socket->id = -1; + socket->proto = proto; + socket->connected = false; + *handle = socket; + return 0; +} + +int WizFi250Interface::socket_close(void *handle) +{ + struct wizfi250_socket *socket = (struct wizfi250_socket *)handle; + int err = 0; + + if(socket->id == -1){ + err = NSAPI_ERROR_NO_SOCKET; + } + else if (_wizfi250.close(socket->id) == -1) { + err = NSAPI_ERROR_DEVICE_ERROR; + } + + _ids[socket->id] = false; + wait_ms(WizFi250_DELAY_MS); + delete socket; + return err; +} + +int WizFi250Interface::socket_bind(void *handle, const SocketAddress &address) +{ + return NSAPI_ERROR_UNSUPPORTED; +} + +int WizFi250Interface::socket_listen(void *handle, int backlog) +{ + return NSAPI_ERROR_UNSUPPORTED; +} + +int WizFi250Interface::socket_connect(void *handle, const SocketAddress &addr) +{ + int cid=-1; + struct wizfi250_socket *socket = (struct wizfi250_socket *)handle; + + WizFi250::Protocol proto = (socket->proto == NSAPI_UDP) ? WizFi250::PROTO_UDP : WizFi250::PROTO_TCP; + if((cid = _wizfi250.open(proto, addr.get_ip_address(), addr.get_port())) == -1 ) + { + return NSAPI_ERROR_DEVICE_ERROR; + } + + if(cid >= WIZFI250_SOCKET_COUNT) + { + return NSAPI_ERROR_NO_SOCKET; + } + + _ids[cid] = true; + socket->id = cid; + socket->connected = true; + wait_ms(WizFi250_DELAY_MS); + return 0; +} + +int WizFi250Interface::socket_accept(void **handle, void *server) +{ + return NSAPI_ERROR_UNSUPPORTED; +} + +int WizFi250Interface::socket_send(void *handle, const void *data, unsigned size) +{ + struct wizfi250_socket *socket = (struct wizfi250_socket *)handle; + + if ( _wizfi250.send(socket->id, (const char*)data, size) == -1 ) { + return NSAPI_ERROR_DEVICE_ERROR; + } + + return size; +} + +int WizFi250Interface::socket_recv(void *handle, void *data, unsigned size) +{ + struct wizfi250_socket *socket = (struct wizfi250_socket *)handle; + + int32_t recv = _wizfi250.recv(socket->id, (char*)data, size); + if (recv < 0) { + return NSAPI_ERROR_WOULD_BLOCK; + } + + return recv; +} + +int WizFi250Interface::socket_sendto(void *handle, const SocketAddress &addr, const void *data, unsigned size) +{ + struct wizfi250_socket *socket = (struct wizfi250_socket *)handle; + if (!socket->connected) { + int err = socket_connect(socket, addr); + if (err < 0) { + return err; + } + } + + return socket_send(socket, data, size); +} + +int WizFi250Interface::socket_recvfrom(void *handle, SocketAddress *addr, void *data, unsigned size) +{ + struct wizfi250_socket *socket = (struct wizfi250_socket *)handle; + return socket_recv(socket, data, size); +} + +void WizFi250Interface::socket_attach(void *handle, void (*callback)(void *), void *data) +{ +} +