DongEun Koak / WizFi310Interface_Draft

This is Wi-Fi interface of WizFi310 for mbed os 5

Dependents:   mbed-os-example-wifi

WizFi310Interface.cpp@0:d0e3f515f99d, 2017-12-18 (annotated)

Committer:
kaizen
Date:
Mon Dec 18 23:25:46 2017 +0000
Revision:
0:d0e3f515f99d
Child:
1:8e468bb83e1e
First commit WizFi310Interface_Draft for mbed OS5

Who changed what in which revision?

UserRevisionLine numberNew contents of line
kaizen 0:d0e3f515f99d 1 /* WizFi310 implementation of NetworkInterfaceAPI
kaizen 0:d0e3f515f99d 2 * Copyright (c) 2015 ARM Limited
kaizen 0:d0e3f515f99d 3 *
kaizen 0:d0e3f515f99d 4 * Licensed under the Apache License, Version 2.0 (the "License");
kaizen 0:d0e3f515f99d 5 * you may not use this file except in compliance with the License.
kaizen 0:d0e3f515f99d 6 * You may obtain a copy of the License at
kaizen 0:d0e3f515f99d 7 *
kaizen 0:d0e3f515f99d 8 * http://www.apache.org/licenses/LICENSE-2.0
kaizen 0:d0e3f515f99d 9 *
kaizen 0:d0e3f515f99d 10 * Unless required by applicable law or agreed to in writing, software
kaizen 0:d0e3f515f99d 11 * distributed under the License is distributed on an "AS IS" BASIS,
kaizen 0:d0e3f515f99d 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
kaizen 0:d0e3f515f99d 13 * See the License for the specific language governing permissions and
kaizen 0:d0e3f515f99d 14 * limitations under the License.
kaizen 0:d0e3f515f99d 15 */
kaizen 0:d0e3f515f99d 16 #include <string.h>
kaizen 0:d0e3f515f99d 17 #include "WizFi310Interface.h"
kaizen 0:d0e3f515f99d 18 #include "mbed_debug.h"
kaizen 0:d0e3f515f99d 19
kaizen 0:d0e3f515f99d 20 // Various timeouts for different WizFi310 operations
kaizen 0:d0e3f515f99d 21 #ifndef WIZFI310_CONNECT_TIMEOUT
kaizen 0:d0e3f515f99d 22 #define WIZFI310_CONNECT_TIMEOUT 15000
kaizen 0:d0e3f515f99d 23 #endif
kaizen 0:d0e3f515f99d 24 #ifndef WIZFI310_SEND_TIMEOUT
kaizen 0:d0e3f515f99d 25 #define WIZFI310_SEND_TIMEOUT 500
kaizen 0:d0e3f515f99d 26 #endif
kaizen 0:d0e3f515f99d 27 #ifndef WIZFI310_RECV_TIMEOUT
kaizen 0:d0e3f515f99d 28 #define WIZFI310_RECV_TIMEOUT 0
kaizen 0:d0e3f515f99d 29 #endif
kaizen 0:d0e3f515f99d 30 #ifndef WIZFI310_MISC_TIMEOUT
kaizen 0:d0e3f515f99d 31 #define WIZFI310_MISC_TIMEOUT 500
kaizen 0:d0e3f515f99d 32 #endif
kaizen 0:d0e3f515f99d 33 #ifndef WIZFI310_DELAY_MS
kaizen 0:d0e3f515f99d 34 #define WIZFI310_DELAY_MS 300
kaizen 0:d0e3f515f99d 35 #endif
kaizen 0:d0e3f515f99d 36
kaizen 0:d0e3f515f99d 37 // WizFi310Interface implementation
kaizen 0:d0e3f515f99d 38 WizFi310Interface::WizFi310Interface(PinName tx, PinName rx, bool debug)
kaizen 0:d0e3f515f99d 39 : _wizfi310(tx, rx, debug)
kaizen 0:d0e3f515f99d 40 {
kaizen 0:d0e3f515f99d 41 memset(_ids, 0, sizeof(_ids));
kaizen 0:d0e3f515f99d 42 memset(_cbs, 0, sizeof(_cbs));
kaizen 0:d0e3f515f99d 43
kaizen 0:d0e3f515f99d 44 _wizfi310.attach(this, &WizFi310Interface::event);
kaizen 0:d0e3f515f99d 45 }
kaizen 0:d0e3f515f99d 46
kaizen 0:d0e3f515f99d 47 int WizFi310Interface::connect(const char *ssid, const char *pass, nsapi_security_t security,
kaizen 0:d0e3f515f99d 48 uint8_t channel)
kaizen 0:d0e3f515f99d 49 {
kaizen 0:d0e3f515f99d 50 if (channel != 0) {
kaizen 0:d0e3f515f99d 51 return NSAPI_ERROR_UNSUPPORTED;
kaizen 0:d0e3f515f99d 52 }
kaizen 0:d0e3f515f99d 53
kaizen 0:d0e3f515f99d 54 set_credentials(ssid, pass, security);
kaizen 0:d0e3f515f99d 55
kaizen 0:d0e3f515f99d 56 return connect();
kaizen 0:d0e3f515f99d 57 }
kaizen 0:d0e3f515f99d 58
kaizen 0:d0e3f515f99d 59 int WizFi310Interface::connect()
kaizen 0:d0e3f515f99d 60 {
kaizen 0:d0e3f515f99d 61 char sec[10];
kaizen 0:d0e3f515f99d 62
kaizen 0:d0e3f515f99d 63 _wizfi310.setTimeout(WIZFI310_CONNECT_TIMEOUT);
kaizen 0:d0e3f515f99d 64
kaizen 0:d0e3f515f99d 65 _wizfi310.startup(0);
kaizen 0:d0e3f515f99d 66
kaizen 0:d0e3f515f99d 67 if( !_wizfi310.dhcp(true) )
kaizen 0:d0e3f515f99d 68 {
kaizen 0:d0e3f515f99d 69 return NSAPI_ERROR_DHCP_FAILURE;
kaizen 0:d0e3f515f99d 70 }
kaizen 0:d0e3f515f99d 71
kaizen 0:d0e3f515f99d 72 switch( ap_sec )
kaizen 0:d0e3f515f99d 73 {
kaizen 0:d0e3f515f99d 74 case NSAPI_SECURITY_NONE:
kaizen 0:d0e3f515f99d 75 strncpy(sec,"OPEN",strlen("OPEN")+1);
kaizen 0:d0e3f515f99d 76 break;
kaizen 0:d0e3f515f99d 77 case NSAPI_SECURITY_WEP:
kaizen 0:d0e3f515f99d 78 strncpy(sec,"WEP",strlen("WEP")+1);
kaizen 0:d0e3f515f99d 79 break;
kaizen 0:d0e3f515f99d 80 case NSAPI_SECURITY_WPA:
kaizen 0:d0e3f515f99d 81 strncpy(sec,"WPA",strlen("WPA")+1);
kaizen 0:d0e3f515f99d 82 break;
kaizen 0:d0e3f515f99d 83 case NSAPI_SECURITY_WPA2:
kaizen 0:d0e3f515f99d 84 strncpy(sec,"WPA2",strlen("WPA2")+1);
kaizen 0:d0e3f515f99d 85 break;
kaizen 0:d0e3f515f99d 86 case NSAPI_SECURITY_WPA_WPA2:
kaizen 0:d0e3f515f99d 87 strncpy(sec,"WPAWPA2",strlen("WPAWPA2")+1);
kaizen 0:d0e3f515f99d 88 break;
kaizen 0:d0e3f515f99d 89 default:
kaizen 0:d0e3f515f99d 90 strncpy(sec,"",strlen("")+1);
kaizen 0:d0e3f515f99d 91 break;
kaizen 0:d0e3f515f99d 92 }
kaizen 0:d0e3f515f99d 93
kaizen 0:d0e3f515f99d 94 if( !(_wizfi310.connect(ap_ssid, ap_pass, sec)) )
kaizen 0:d0e3f515f99d 95 {
kaizen 0:d0e3f515f99d 96 return NSAPI_ERROR_NO_CONNECTION;
kaizen 0:d0e3f515f99d 97 }
kaizen 0:d0e3f515f99d 98
kaizen 0:d0e3f515f99d 99 if( !_wizfi310.getIPAddress() )
kaizen 0:d0e3f515f99d 100 {
kaizen 0:d0e3f515f99d 101 return NSAPI_ERROR_DHCP_FAILURE;
kaizen 0:d0e3f515f99d 102 }
kaizen 0:d0e3f515f99d 103
kaizen 0:d0e3f515f99d 104 return NSAPI_ERROR_OK;
kaizen 0:d0e3f515f99d 105 }
kaizen 0:d0e3f515f99d 106
kaizen 0:d0e3f515f99d 107
kaizen 0:d0e3f515f99d 108 int WizFi310Interface::set_credentials(const char *ssid, const char *pass, nsapi_security_t security)
kaizen 0:d0e3f515f99d 109 {
kaizen 0:d0e3f515f99d 110 memset(ap_ssid, 0, sizeof(ap_ssid));
kaizen 0:d0e3f515f99d 111 strncpy(ap_ssid, ssid, sizeof(ap_ssid));
kaizen 0:d0e3f515f99d 112
kaizen 0:d0e3f515f99d 113 memset(ap_pass, 0, sizeof(ap_pass));
kaizen 0:d0e3f515f99d 114 strncpy(ap_pass, pass, sizeof(ap_pass));
kaizen 0:d0e3f515f99d 115
kaizen 0:d0e3f515f99d 116 ap_sec = security;
kaizen 0:d0e3f515f99d 117 return 0;
kaizen 0:d0e3f515f99d 118 }
kaizen 0:d0e3f515f99d 119
kaizen 0:d0e3f515f99d 120
kaizen 0:d0e3f515f99d 121 int WizFi310Interface::set_channel(uint8_t channel)
kaizen 0:d0e3f515f99d 122 {
kaizen 0:d0e3f515f99d 123 }
kaizen 0:d0e3f515f99d 124
kaizen 0:d0e3f515f99d 125 int WizFi310Interface::disconnect()
kaizen 0:d0e3f515f99d 126 {
kaizen 0:d0e3f515f99d 127 _wizfi310.setTimeout(WIZFI310_MISC_TIMEOUT);
kaizen 0:d0e3f515f99d 128
kaizen 0:d0e3f515f99d 129 if (!_wizfi310.disconnect())
kaizen 0:d0e3f515f99d 130 {
kaizen 0:d0e3f515f99d 131 return NSAPI_ERROR_DEVICE_ERROR;
kaizen 0:d0e3f515f99d 132 }
kaizen 0:d0e3f515f99d 133 return NSAPI_ERROR_OK;
kaizen 0:d0e3f515f99d 134 }
kaizen 0:d0e3f515f99d 135
kaizen 0:d0e3f515f99d 136 const char *WizFi310Interface::get_ip_address()
kaizen 0:d0e3f515f99d 137 {
kaizen 0:d0e3f515f99d 138 return _wizfi310.getIPAddress();
kaizen 0:d0e3f515f99d 139 }
kaizen 0:d0e3f515f99d 140
kaizen 0:d0e3f515f99d 141 const char *WizFi310Interface::get_mac_address()
kaizen 0:d0e3f515f99d 142 {
kaizen 0:d0e3f515f99d 143 return _wizfi310.getMACAddress();
kaizen 0:d0e3f515f99d 144 }
kaizen 0:d0e3f515f99d 145
kaizen 0:d0e3f515f99d 146 const char *WizFi310Interface::get_gateway()
kaizen 0:d0e3f515f99d 147 {
kaizen 0:d0e3f515f99d 148 return _wizfi310.getGateway();
kaizen 0:d0e3f515f99d 149 }
kaizen 0:d0e3f515f99d 150
kaizen 0:d0e3f515f99d 151 const char *WizFi310Interface::get_netmask()
kaizen 0:d0e3f515f99d 152 {
kaizen 0:d0e3f515f99d 153 return _wizfi310.getNetmask();
kaizen 0:d0e3f515f99d 154 }
kaizen 0:d0e3f515f99d 155
kaizen 0:d0e3f515f99d 156 int8_t WizFi310Interface::get_rssi()
kaizen 0:d0e3f515f99d 157 {
kaizen 0:d0e3f515f99d 158 return _wizfi310.getRSSI();
kaizen 0:d0e3f515f99d 159 }
kaizen 0:d0e3f515f99d 160
kaizen 0:d0e3f515f99d 161 int WizFi310Interface::scan(WiFiAccessPoint *res, unsigned count)
kaizen 0:d0e3f515f99d 162 {
kaizen 0:d0e3f515f99d 163 return _wizfi310.scan(res, count);
kaizen 0:d0e3f515f99d 164 }
kaizen 0:d0e3f515f99d 165
kaizen 0:d0e3f515f99d 166 struct wizfi310_socket {
kaizen 0:d0e3f515f99d 167 int id;
kaizen 0:d0e3f515f99d 168 nsapi_protocol_t proto;
kaizen 0:d0e3f515f99d 169 bool connected;
kaizen 0:d0e3f515f99d 170 SocketAddress addr;
kaizen 0:d0e3f515f99d 171 };
kaizen 0:d0e3f515f99d 172
kaizen 0:d0e3f515f99d 173
kaizen 0:d0e3f515f99d 174 int WizFi310Interface::socket_open(void **handle, nsapi_protocol_t proto)
kaizen 0:d0e3f515f99d 175 {
kaizen 0:d0e3f515f99d 176 // Look for an unused socket
kaizen 0:d0e3f515f99d 177 int id = -1;
kaizen 0:d0e3f515f99d 178
kaizen 0:d0e3f515f99d 179 for (int i=0; i<WIZFI310_SOCKET_COUNT; i++) {
kaizen 0:d0e3f515f99d 180 if (!_ids[i]){
kaizen 0:d0e3f515f99d 181 id = i;
kaizen 0:d0e3f515f99d 182 _ids[i] = true;
kaizen 0:d0e3f515f99d 183 break;
kaizen 0:d0e3f515f99d 184 }
kaizen 0:d0e3f515f99d 185 }
kaizen 0:d0e3f515f99d 186
kaizen 0:d0e3f515f99d 187 if (id == -1){
kaizen 0:d0e3f515f99d 188 return NSAPI_ERROR_NO_SOCKET;
kaizen 0:d0e3f515f99d 189 }
kaizen 0:d0e3f515f99d 190
kaizen 0:d0e3f515f99d 191 struct wizfi310_socket *socket = new struct wizfi310_socket;
kaizen 0:d0e3f515f99d 192 if (!socket){
kaizen 0:d0e3f515f99d 193 return NSAPI_ERROR_NO_SOCKET;
kaizen 0:d0e3f515f99d 194 }
kaizen 0:d0e3f515f99d 195
kaizen 0:d0e3f515f99d 196 socket->id = id;
kaizen 0:d0e3f515f99d 197 socket->proto = proto;
kaizen 0:d0e3f515f99d 198 socket->connected = false;
kaizen 0:d0e3f515f99d 199 *handle = socket;
kaizen 0:d0e3f515f99d 200 return 0;
kaizen 0:d0e3f515f99d 201 }
kaizen 0:d0e3f515f99d 202
kaizen 0:d0e3f515f99d 203 int WizFi310Interface::socket_close(void *handle)
kaizen 0:d0e3f515f99d 204 {
kaizen 0:d0e3f515f99d 205 struct wizfi310_socket *socket = (struct wizfi310_socket *)handle;
kaizen 0:d0e3f515f99d 206 int err = 0;
kaizen 0:d0e3f515f99d 207 _wizfi310.setTimeout(WIZFI310_MISC_TIMEOUT);
kaizen 0:d0e3f515f99d 208
kaizen 0:d0e3f515f99d 209 if (socket->connected && !_wizfi310.close(socket->id)) {
kaizen 0:d0e3f515f99d 210 err = NSAPI_ERROR_DEVICE_ERROR;
kaizen 0:d0e3f515f99d 211 }
kaizen 0:d0e3f515f99d 212
kaizen 0:d0e3f515f99d 213 socket->connected = false;
kaizen 0:d0e3f515f99d 214 _ids[socket->id] = false;
kaizen 0:d0e3f515f99d 215 delete socket;
kaizen 0:d0e3f515f99d 216 return err;
kaizen 0:d0e3f515f99d 217 }
kaizen 0:d0e3f515f99d 218
kaizen 0:d0e3f515f99d 219 int WizFi310Interface::socket_bind(void *handle, const SocketAddress &address)
kaizen 0:d0e3f515f99d 220 {
kaizen 0:d0e3f515f99d 221 return NSAPI_ERROR_UNSUPPORTED;
kaizen 0:d0e3f515f99d 222 }
kaizen 0:d0e3f515f99d 223
kaizen 0:d0e3f515f99d 224 int WizFi310Interface::socket_listen(void *handle, int backlog)
kaizen 0:d0e3f515f99d 225 {
kaizen 0:d0e3f515f99d 226 return NSAPI_ERROR_UNSUPPORTED;
kaizen 0:d0e3f515f99d 227 }
kaizen 0:d0e3f515f99d 228
kaizen 0:d0e3f515f99d 229 int WizFi310Interface::socket_connect(void *handle, const SocketAddress &addr)
kaizen 0:d0e3f515f99d 230 {
kaizen 0:d0e3f515f99d 231 struct wizfi310_socket *socket = (struct wizfi310_socket *)handle;
kaizen 0:d0e3f515f99d 232 _wizfi310.setTimeout(WIZFI310_MISC_TIMEOUT);
kaizen 0:d0e3f515f99d 233
kaizen 0:d0e3f515f99d 234 const char *proto = (socket->proto == NSAPI_UDP) ? "UCN" : "TCN";
kaizen 0:d0e3f515f99d 235 if (!_wizfi310.open(proto, socket->id, addr.get_ip_address(), addr.get_port())) {
kaizen 0:d0e3f515f99d 236 return NSAPI_ERROR_DEVICE_ERROR;
kaizen 0:d0e3f515f99d 237 }
kaizen 0:d0e3f515f99d 238
kaizen 0:d0e3f515f99d 239 socket->connected = true;
kaizen 0:d0e3f515f99d 240 return 0;
kaizen 0:d0e3f515f99d 241 }
kaizen 0:d0e3f515f99d 242
kaizen 0:d0e3f515f99d 243 int WizFi310Interface::socket_accept(void *server, void **socket, SocketAddress *addr)
kaizen 0:d0e3f515f99d 244 {
kaizen 0:d0e3f515f99d 245 return NSAPI_ERROR_UNSUPPORTED;
kaizen 0:d0e3f515f99d 246 }
kaizen 0:d0e3f515f99d 247
kaizen 0:d0e3f515f99d 248 int WizFi310Interface::socket_send(void *handle, const void *data, unsigned size)
kaizen 0:d0e3f515f99d 249 {
kaizen 0:d0e3f515f99d 250 struct wizfi310_socket *socket = (struct wizfi310_socket *)handle;
kaizen 0:d0e3f515f99d 251 _wizfi310.setTimeout(WIZFI310_SEND_TIMEOUT);
kaizen 0:d0e3f515f99d 252
kaizen 0:d0e3f515f99d 253 if (!_wizfi310.send(socket->id, data, size)) {
kaizen 0:d0e3f515f99d 254 return NSAPI_ERROR_DEVICE_ERROR;
kaizen 0:d0e3f515f99d 255 }
kaizen 0:d0e3f515f99d 256
kaizen 0:d0e3f515f99d 257 return size;
kaizen 0:d0e3f515f99d 258 }
kaizen 0:d0e3f515f99d 259
kaizen 0:d0e3f515f99d 260 int WizFi310Interface::socket_recv(void *handle, void *data, unsigned size)
kaizen 0:d0e3f515f99d 261 {
kaizen 0:d0e3f515f99d 262 struct wizfi310_socket *socket = (struct wizfi310_socket *)handle;
kaizen 0:d0e3f515f99d 263 _wizfi310.setTimeout(WIZFI310_RECV_TIMEOUT);
kaizen 0:d0e3f515f99d 264
kaizen 0:d0e3f515f99d 265 int32_t recv = _wizfi310.recv(socket->id, data, size);
kaizen 0:d0e3f515f99d 266 if (recv < 0) {
kaizen 0:d0e3f515f99d 267 return NSAPI_ERROR_WOULD_BLOCK;
kaizen 0:d0e3f515f99d 268 }
kaizen 0:d0e3f515f99d 269
kaizen 0:d0e3f515f99d 270 return recv;
kaizen 0:d0e3f515f99d 271 }
kaizen 0:d0e3f515f99d 272
kaizen 0:d0e3f515f99d 273 int WizFi310Interface::socket_sendto(void *handle, const SocketAddress &addr, const void *data, unsigned size)
kaizen 0:d0e3f515f99d 274 {
kaizen 0:d0e3f515f99d 275 struct wizfi310_socket *socket = (struct wizfi310_socket *)handle;
kaizen 0:d0e3f515f99d 276
kaizen 0:d0e3f515f99d 277 if (socket->connected && socket->addr != addr) {
kaizen 0:d0e3f515f99d 278 _wizfi310.setTimeout(WIZFI310_MISC_TIMEOUT);
kaizen 0:d0e3f515f99d 279 if (!_wizfi310.close(socket->id)) {
kaizen 0:d0e3f515f99d 280 return NSAPI_ERROR_DEVICE_ERROR;
kaizen 0:d0e3f515f99d 281 }
kaizen 0:d0e3f515f99d 282 socket->connected = false;
kaizen 0:d0e3f515f99d 283 }
kaizen 0:d0e3f515f99d 284
kaizen 0:d0e3f515f99d 285 if (!socket->connected) {
kaizen 0:d0e3f515f99d 286 int err = socket_connect(socket, addr);
kaizen 0:d0e3f515f99d 287 if (err < 0 ) {
kaizen 0:d0e3f515f99d 288 return err;
kaizen 0:d0e3f515f99d 289 }
kaizen 0:d0e3f515f99d 290 socket->addr = addr;
kaizen 0:d0e3f515f99d 291 }
kaizen 0:d0e3f515f99d 292
kaizen 0:d0e3f515f99d 293 return socket_send(socket, data, size);
kaizen 0:d0e3f515f99d 294 }
kaizen 0:d0e3f515f99d 295
kaizen 0:d0e3f515f99d 296 int WizFi310Interface::socket_recvfrom(void *handle, SocketAddress *addr, void *data, unsigned size)
kaizen 0:d0e3f515f99d 297 {
kaizen 0:d0e3f515f99d 298 struct wizfi310_socket *socket = (struct wizfi310_socket *)handle;
kaizen 0:d0e3f515f99d 299 int ret = socket_recv(socket, data, size);
kaizen 0:d0e3f515f99d 300 if (ret >= 0 && addr) {
kaizen 0:d0e3f515f99d 301 *addr = socket->addr;
kaizen 0:d0e3f515f99d 302 }
kaizen 0:d0e3f515f99d 303
kaizen 0:d0e3f515f99d 304 return ret;
kaizen 0:d0e3f515f99d 305 }
kaizen 0:d0e3f515f99d 306
kaizen 0:d0e3f515f99d 307 void WizFi310Interface::socket_attach(void *handle, void (*callback)(void *), void *data)
kaizen 0:d0e3f515f99d 308 {
kaizen 0:d0e3f515f99d 309 struct wizfi310_socket *socket = (struct wizfi310_socket *)handle;
kaizen 0:d0e3f515f99d 310 _cbs[socket->id].callback = callback;
kaizen 0:d0e3f515f99d 311 _cbs[socket->id].data = data;
kaizen 0:d0e3f515f99d 312 }
kaizen 0:d0e3f515f99d 313
kaizen 0:d0e3f515f99d 314 void WizFi310Interface::event()
kaizen 0:d0e3f515f99d 315 {
kaizen 0:d0e3f515f99d 316 for(int i=0; i<WIZFI310_SOCKET_COUNT; i++){
kaizen 0:d0e3f515f99d 317 if (_cbs[i].callback) {
kaizen 0:d0e3f515f99d 318 _cbs[i].callback(_cbs[i].data);
kaizen 0:d0e3f515f99d 319 }
kaizen 0:d0e3f515f99d 320 }
kaizen 0:d0e3f515f99d 321 }