Jim Flynn / Mbed OS wifi_Example

wifi test

Dependencies:   X_NUCLEO_IKS01A2 mbed-http

easy-connect/esp8266-driver/ESP8266Interface.cpp@0:24d3eb812fd4, 2018-09-05 (annotated)

Committer:
JMF
Date:
Wed Sep 05 14:28:24 2018 +0000
Revision:
0:24d3eb812fd4
Initial commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
JMF 0:24d3eb812fd4 1 /* ESP8266 implementation of NetworkInterfaceAPI
JMF 0:24d3eb812fd4 2 * Copyright (c) 2015 ARM Limited
JMF 0:24d3eb812fd4 3 *
JMF 0:24d3eb812fd4 4 * Licensed under the Apache License, Version 2.0 (the "License");
JMF 0:24d3eb812fd4 5 * you may not use this file except in compliance with the License.
JMF 0:24d3eb812fd4 6 * You may obtain a copy of the License at
JMF 0:24d3eb812fd4 7 *
JMF 0:24d3eb812fd4 8 * http://www.apache.org/licenses/LICENSE-2.0
JMF 0:24d3eb812fd4 9 *
JMF 0:24d3eb812fd4 10 * Unless required by applicable law or agreed to in writing, software
JMF 0:24d3eb812fd4 11 * distributed under the License is distributed on an "AS IS" BASIS,
JMF 0:24d3eb812fd4 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
JMF 0:24d3eb812fd4 13 * See the License for the specific language governing permissions and
JMF 0:24d3eb812fd4 14 * limitations under the License.
JMF 0:24d3eb812fd4 15 */
JMF 0:24d3eb812fd4 16
JMF 0:24d3eb812fd4 17 #include <cstring>
JMF 0:24d3eb812fd4 18 #include "ESP8266.h"
JMF 0:24d3eb812fd4 19 #include "ESP8266Interface.h"
JMF 0:24d3eb812fd4 20 #include "mbed_debug.h"
JMF 0:24d3eb812fd4 21 #include "nsapi_types.h"
JMF 0:24d3eb812fd4 22
JMF 0:24d3eb812fd4 23
JMF 0:24d3eb812fd4 24 #ifndef MBED_CONF_ESP8266_TX
JMF 0:24d3eb812fd4 25 #ifdef TARGET_FF_ARDUINO
JMF 0:24d3eb812fd4 26 #define MBED_CONF_ESP8266_TX D1
JMF 0:24d3eb812fd4 27 #else
JMF 0:24d3eb812fd4 28 #define MBED_CONF_ESP8266_TX NC
JMF 0:24d3eb812fd4 29 #endif
JMF 0:24d3eb812fd4 30 #endif
JMF 0:24d3eb812fd4 31
JMF 0:24d3eb812fd4 32 #ifndef MBED_CONF_ESP8266_RX
JMF 0:24d3eb812fd4 33 #ifdef TARGET_FF_ARDUINO
JMF 0:24d3eb812fd4 34 #define MBED_CONF_ESP8266_RX D0
JMF 0:24d3eb812fd4 35 #else
JMF 0:24d3eb812fd4 36 #define MBED_CONF_ESP8266_RX NC
JMF 0:24d3eb812fd4 37 #endif
JMF 0:24d3eb812fd4 38 #endif
JMF 0:24d3eb812fd4 39
JMF 0:24d3eb812fd4 40 // Firmware version
JMF 0:24d3eb812fd4 41 #define ESP8266_VERSION 2
JMF 0:24d3eb812fd4 42
JMF 0:24d3eb812fd4 43 ESP8266Interface::ESP8266Interface()
JMF 0:24d3eb812fd4 44 : _esp(MBED_CONF_ESP8266_TX, MBED_CONF_ESP8266_RX, MBED_CONF_ESP8266_DEBUG),
JMF 0:24d3eb812fd4 45 _initialized(false),
JMF 0:24d3eb812fd4 46 _started(false)
JMF 0:24d3eb812fd4 47 {
JMF 0:24d3eb812fd4 48 memset(_ids, 0, sizeof(_ids));
JMF 0:24d3eb812fd4 49 memset(_cbs, 0, sizeof(_cbs));
JMF 0:24d3eb812fd4 50 memset(ap_ssid, 0, sizeof(ap_ssid));
JMF 0:24d3eb812fd4 51 memset(ap_pass, 0, sizeof(ap_pass));
JMF 0:24d3eb812fd4 52 memset(_local_ports, 0, sizeof(_local_ports));
JMF 0:24d3eb812fd4 53 ap_sec = NSAPI_SECURITY_UNKNOWN;
JMF 0:24d3eb812fd4 54
JMF 0:24d3eb812fd4 55 _esp.sigio(this, &ESP8266Interface::event);
JMF 0:24d3eb812fd4 56 _esp.setTimeout();
JMF 0:24d3eb812fd4 57 }
JMF 0:24d3eb812fd4 58
JMF 0:24d3eb812fd4 59 // ESP8266Interface implementation
JMF 0:24d3eb812fd4 60 ESP8266Interface::ESP8266Interface(PinName tx, PinName rx, bool debug)
JMF 0:24d3eb812fd4 61 : _esp(tx, rx, debug),
JMF 0:24d3eb812fd4 62 _initialized(false),
JMF 0:24d3eb812fd4 63 _started(false)
JMF 0:24d3eb812fd4 64 {
JMF 0:24d3eb812fd4 65 memset(_ids, 0, sizeof(_ids));
JMF 0:24d3eb812fd4 66 memset(_cbs, 0, sizeof(_cbs));
JMF 0:24d3eb812fd4 67 memset(ap_ssid, 0, sizeof(ap_ssid));
JMF 0:24d3eb812fd4 68 memset(ap_pass, 0, sizeof(ap_pass));
JMF 0:24d3eb812fd4 69 memset(_local_ports, 0, sizeof(_local_ports));
JMF 0:24d3eb812fd4 70 ap_sec = NSAPI_SECURITY_UNKNOWN;
JMF 0:24d3eb812fd4 71
JMF 0:24d3eb812fd4 72 _esp.sigio(this, &ESP8266Interface::event);
JMF 0:24d3eb812fd4 73 _esp.setTimeout();
JMF 0:24d3eb812fd4 74 }
JMF 0:24d3eb812fd4 75
JMF 0:24d3eb812fd4 76 int ESP8266Interface::connect(const char *ssid, const char *pass, nsapi_security_t security,
JMF 0:24d3eb812fd4 77 uint8_t channel)
JMF 0:24d3eb812fd4 78 {
JMF 0:24d3eb812fd4 79 if (channel != 0) {
JMF 0:24d3eb812fd4 80 return NSAPI_ERROR_UNSUPPORTED;
JMF 0:24d3eb812fd4 81 }
JMF 0:24d3eb812fd4 82
JMF 0:24d3eb812fd4 83 int err = set_credentials(ssid, pass, security);
JMF 0:24d3eb812fd4 84 if(err) {
JMF 0:24d3eb812fd4 85 return err;
JMF 0:24d3eb812fd4 86 }
JMF 0:24d3eb812fd4 87
JMF 0:24d3eb812fd4 88 return connect();
JMF 0:24d3eb812fd4 89 }
JMF 0:24d3eb812fd4 90
JMF 0:24d3eb812fd4 91 int ESP8266Interface::connect()
JMF 0:24d3eb812fd4 92 {
JMF 0:24d3eb812fd4 93 nsapi_error_t status;
JMF 0:24d3eb812fd4 94
JMF 0:24d3eb812fd4 95 if (strlen(ap_ssid) == 0) {
JMF 0:24d3eb812fd4 96 return NSAPI_ERROR_NO_SSID;
JMF 0:24d3eb812fd4 97 }
JMF 0:24d3eb812fd4 98
JMF 0:24d3eb812fd4 99 if (ap_sec != NSAPI_SECURITY_NONE) {
JMF 0:24d3eb812fd4 100 if (strlen(ap_pass) < ESP8266_PASSPHRASE_MIN_LENGTH) {
JMF 0:24d3eb812fd4 101 return NSAPI_ERROR_PARAMETER;
JMF 0:24d3eb812fd4 102 }
JMF 0:24d3eb812fd4 103 }
JMF 0:24d3eb812fd4 104
JMF 0:24d3eb812fd4 105 status = _init();
JMF 0:24d3eb812fd4 106 if(status != NSAPI_ERROR_OK) {
JMF 0:24d3eb812fd4 107 return status;
JMF 0:24d3eb812fd4 108 }
JMF 0:24d3eb812fd4 109
JMF 0:24d3eb812fd4 110 if(get_ip_address()) {
JMF 0:24d3eb812fd4 111 return NSAPI_ERROR_IS_CONNECTED;
JMF 0:24d3eb812fd4 112 }
JMF 0:24d3eb812fd4 113
JMF 0:24d3eb812fd4 114 status = _startup(ESP8266::WIFIMODE_STATION);
JMF 0:24d3eb812fd4 115 if(status != NSAPI_ERROR_OK) {
JMF 0:24d3eb812fd4 116 return status;
JMF 0:24d3eb812fd4 117 }
JMF 0:24d3eb812fd4 118 _started = true;
JMF 0:24d3eb812fd4 119
JMF 0:24d3eb812fd4 120 if (!_esp.dhcp(true, 1)) {
JMF 0:24d3eb812fd4 121 return NSAPI_ERROR_DHCP_FAILURE;
JMF 0:24d3eb812fd4 122 }
JMF 0:24d3eb812fd4 123
JMF 0:24d3eb812fd4 124 int connect_error = _esp.connect(ap_ssid, ap_pass);
JMF 0:24d3eb812fd4 125 if (connect_error) {
JMF 0:24d3eb812fd4 126 return connect_error;
JMF 0:24d3eb812fd4 127 }
JMF 0:24d3eb812fd4 128
JMF 0:24d3eb812fd4 129 if (!get_ip_address()) {
JMF 0:24d3eb812fd4 130 return NSAPI_ERROR_DHCP_FAILURE;
JMF 0:24d3eb812fd4 131 }
JMF 0:24d3eb812fd4 132
JMF 0:24d3eb812fd4 133 return NSAPI_ERROR_OK;
JMF 0:24d3eb812fd4 134 }
JMF 0:24d3eb812fd4 135
JMF 0:24d3eb812fd4 136 int ESP8266Interface::set_credentials(const char *ssid, const char *pass, nsapi_security_t security)
JMF 0:24d3eb812fd4 137 {
JMF 0:24d3eb812fd4 138 ap_sec = security;
JMF 0:24d3eb812fd4 139
JMF 0:24d3eb812fd4 140 if (!ssid) {
JMF 0:24d3eb812fd4 141 return NSAPI_ERROR_PARAMETER;
JMF 0:24d3eb812fd4 142 }
JMF 0:24d3eb812fd4 143
JMF 0:24d3eb812fd4 144 int ssid_length = strlen(ssid);
JMF 0:24d3eb812fd4 145
JMF 0:24d3eb812fd4 146 if (ssid_length > 0
JMF 0:24d3eb812fd4 147 && ssid_length <= ESP8266_SSID_MAX_LENGTH) {
JMF 0:24d3eb812fd4 148 memset(ap_ssid, 0, sizeof(ap_ssid));
JMF 0:24d3eb812fd4 149 strncpy(ap_ssid, ssid, sizeof(ap_ssid));
JMF 0:24d3eb812fd4 150 } else {
JMF 0:24d3eb812fd4 151 return NSAPI_ERROR_PARAMETER;
JMF 0:24d3eb812fd4 152 }
JMF 0:24d3eb812fd4 153
JMF 0:24d3eb812fd4 154 if (ap_sec != NSAPI_SECURITY_NONE) {
JMF 0:24d3eb812fd4 155
JMF 0:24d3eb812fd4 156 if (!pass) {
JMF 0:24d3eb812fd4 157 return NSAPI_ERROR_PARAMETER;
JMF 0:24d3eb812fd4 158 }
JMF 0:24d3eb812fd4 159
JMF 0:24d3eb812fd4 160 int pass_length = strlen(pass);
JMF 0:24d3eb812fd4 161 if (pass_length >= ESP8266_PASSPHRASE_MIN_LENGTH
JMF 0:24d3eb812fd4 162 && pass_length <= ESP8266_PASSPHRASE_MAX_LENGTH ) {
JMF 0:24d3eb812fd4 163 memset(ap_pass, 0, sizeof(ap_pass));
JMF 0:24d3eb812fd4 164 strncpy(ap_pass, pass, sizeof(ap_pass));
JMF 0:24d3eb812fd4 165 } else {
JMF 0:24d3eb812fd4 166 return NSAPI_ERROR_PARAMETER;
JMF 0:24d3eb812fd4 167 }
JMF 0:24d3eb812fd4 168 } else {
JMF 0:24d3eb812fd4 169 memset(ap_pass, 0, sizeof(ap_pass));
JMF 0:24d3eb812fd4 170 }
JMF 0:24d3eb812fd4 171
JMF 0:24d3eb812fd4 172 return NSAPI_ERROR_OK;
JMF 0:24d3eb812fd4 173 }
JMF 0:24d3eb812fd4 174
JMF 0:24d3eb812fd4 175 int ESP8266Interface::set_channel(uint8_t channel)
JMF 0:24d3eb812fd4 176 {
JMF 0:24d3eb812fd4 177 return NSAPI_ERROR_UNSUPPORTED;
JMF 0:24d3eb812fd4 178 }
JMF 0:24d3eb812fd4 179
JMF 0:24d3eb812fd4 180
JMF 0:24d3eb812fd4 181 int ESP8266Interface::disconnect()
JMF 0:24d3eb812fd4 182 {
JMF 0:24d3eb812fd4 183 _started = false;
JMF 0:24d3eb812fd4 184 _initialized = false;
JMF 0:24d3eb812fd4 185
JMF 0:24d3eb812fd4 186 return _esp.disconnect() ? NSAPI_ERROR_OK : NSAPI_ERROR_DEVICE_ERROR;
JMF 0:24d3eb812fd4 187 }
JMF 0:24d3eb812fd4 188
JMF 0:24d3eb812fd4 189 const char *ESP8266Interface::get_ip_address()
JMF 0:24d3eb812fd4 190 {
JMF 0:24d3eb812fd4 191 if(!_started) {
JMF 0:24d3eb812fd4 192 return NULL;
JMF 0:24d3eb812fd4 193 }
JMF 0:24d3eb812fd4 194
JMF 0:24d3eb812fd4 195 const char *ip_buff = _esp.getIPAddress();
JMF 0:24d3eb812fd4 196 if(!ip_buff || std::strcmp(ip_buff, "0.0.0.0") == 0) {
JMF 0:24d3eb812fd4 197 return NULL;
JMF 0:24d3eb812fd4 198 }
JMF 0:24d3eb812fd4 199
JMF 0:24d3eb812fd4 200 return ip_buff;
JMF 0:24d3eb812fd4 201 }
JMF 0:24d3eb812fd4 202
JMF 0:24d3eb812fd4 203 const char *ESP8266Interface::get_mac_address()
JMF 0:24d3eb812fd4 204 {
JMF 0:24d3eb812fd4 205 return _esp.getMACAddress();
JMF 0:24d3eb812fd4 206 }
JMF 0:24d3eb812fd4 207
JMF 0:24d3eb812fd4 208 const char *ESP8266Interface::get_gateway()
JMF 0:24d3eb812fd4 209 {
JMF 0:24d3eb812fd4 210 return _started ? _esp.getGateway() : NULL;
JMF 0:24d3eb812fd4 211 }
JMF 0:24d3eb812fd4 212
JMF 0:24d3eb812fd4 213 const char *ESP8266Interface::get_netmask()
JMF 0:24d3eb812fd4 214 {
JMF 0:24d3eb812fd4 215 return _started ? _esp.getNetmask() : NULL;
JMF 0:24d3eb812fd4 216 }
JMF 0:24d3eb812fd4 217
JMF 0:24d3eb812fd4 218 int8_t ESP8266Interface::get_rssi()
JMF 0:24d3eb812fd4 219 {
JMF 0:24d3eb812fd4 220 return _started ? _esp.getRSSI() : 0;
JMF 0:24d3eb812fd4 221 }
JMF 0:24d3eb812fd4 222
JMF 0:24d3eb812fd4 223 int ESP8266Interface::scan(WiFiAccessPoint *res, unsigned count)
JMF 0:24d3eb812fd4 224 {
JMF 0:24d3eb812fd4 225 nsapi_error_t status;
JMF 0:24d3eb812fd4 226
JMF 0:24d3eb812fd4 227 status = _init();
JMF 0:24d3eb812fd4 228 if(status != NSAPI_ERROR_OK) {
JMF 0:24d3eb812fd4 229 return status;
JMF 0:24d3eb812fd4 230 }
JMF 0:24d3eb812fd4 231
JMF 0:24d3eb812fd4 232 status = _startup(ESP8266::WIFIMODE_STATION);
JMF 0:24d3eb812fd4 233 if(status != NSAPI_ERROR_OK) {
JMF 0:24d3eb812fd4 234 return status;
JMF 0:24d3eb812fd4 235 }
JMF 0:24d3eb812fd4 236
JMF 0:24d3eb812fd4 237 return _esp.scan(res, count);
JMF 0:24d3eb812fd4 238 }
JMF 0:24d3eb812fd4 239
JMF 0:24d3eb812fd4 240 bool ESP8266Interface::_get_firmware_ok()
JMF 0:24d3eb812fd4 241 {
JMF 0:24d3eb812fd4 242 if (_esp.get_firmware_version() != ESP8266_VERSION) {
JMF 0:24d3eb812fd4 243 debug("ESP8266: ERROR: Firmware incompatible with this driver.\
JMF 0:24d3eb812fd4 244 \r\nUpdate to v%d - https://developer.mbed.org/teams/ESP8266/wiki/Firmware-Update\r\n",ESP8266_VERSION);
JMF 0:24d3eb812fd4 245 return false;
JMF 0:24d3eb812fd4 246 }
JMF 0:24d3eb812fd4 247
JMF 0:24d3eb812fd4 248 return true;
JMF 0:24d3eb812fd4 249 }
JMF 0:24d3eb812fd4 250
JMF 0:24d3eb812fd4 251 bool ESP8266Interface::_disable_default_softap()
JMF 0:24d3eb812fd4 252 {
JMF 0:24d3eb812fd4 253 static int disabled = false;
JMF 0:24d3eb812fd4 254
JMF 0:24d3eb812fd4 255 if (disabled || _esp.get_default_wifi_mode() == ESP8266::WIFIMODE_STATION) {
JMF 0:24d3eb812fd4 256 disabled = true;
JMF 0:24d3eb812fd4 257 return true;
JMF 0:24d3eb812fd4 258 }
JMF 0:24d3eb812fd4 259 if (_esp.set_default_wifi_mode(ESP8266::WIFIMODE_STATION)) {
JMF 0:24d3eb812fd4 260 disabled = true;
JMF 0:24d3eb812fd4 261 return true;
JMF 0:24d3eb812fd4 262 }
JMF 0:24d3eb812fd4 263
JMF 0:24d3eb812fd4 264 return false;
JMF 0:24d3eb812fd4 265 }
JMF 0:24d3eb812fd4 266
JMF 0:24d3eb812fd4 267 nsapi_error_t ESP8266Interface::_init(void)
JMF 0:24d3eb812fd4 268 {
JMF 0:24d3eb812fd4 269 if (!_initialized) {
JMF 0:24d3eb812fd4 270 if (!_esp.reset()) {
JMF 0:24d3eb812fd4 271 return NSAPI_ERROR_DEVICE_ERROR;
JMF 0:24d3eb812fd4 272 }
JMF 0:24d3eb812fd4 273 if (!_get_firmware_ok()) {
JMF 0:24d3eb812fd4 274 return NSAPI_ERROR_DEVICE_ERROR;
JMF 0:24d3eb812fd4 275 }
JMF 0:24d3eb812fd4 276 if (_disable_default_softap() == false) {
JMF 0:24d3eb812fd4 277 return NSAPI_ERROR_DEVICE_ERROR;
JMF 0:24d3eb812fd4 278 }
JMF 0:24d3eb812fd4 279 _initialized = true;
JMF 0:24d3eb812fd4 280 }
JMF 0:24d3eb812fd4 281 return NSAPI_ERROR_OK;
JMF 0:24d3eb812fd4 282 }
JMF 0:24d3eb812fd4 283
JMF 0:24d3eb812fd4 284 nsapi_error_t ESP8266Interface::_startup(const int8_t wifi_mode)
JMF 0:24d3eb812fd4 285 {
JMF 0:24d3eb812fd4 286 if (!_started) {
JMF 0:24d3eb812fd4 287 if (!_esp.startup(wifi_mode)) {
JMF 0:24d3eb812fd4 288 return NSAPI_ERROR_DEVICE_ERROR;
JMF 0:24d3eb812fd4 289 }
JMF 0:24d3eb812fd4 290 }
JMF 0:24d3eb812fd4 291 return NSAPI_ERROR_OK;
JMF 0:24d3eb812fd4 292 }
JMF 0:24d3eb812fd4 293
JMF 0:24d3eb812fd4 294 struct esp8266_socket {
JMF 0:24d3eb812fd4 295 int id;
JMF 0:24d3eb812fd4 296 nsapi_protocol_t proto;
JMF 0:24d3eb812fd4 297 bool connected;
JMF 0:24d3eb812fd4 298 SocketAddress addr;
JMF 0:24d3eb812fd4 299 int keepalive; // TCP
JMF 0:24d3eb812fd4 300 };
JMF 0:24d3eb812fd4 301
JMF 0:24d3eb812fd4 302 int ESP8266Interface::socket_open(void **handle, nsapi_protocol_t proto)
JMF 0:24d3eb812fd4 303 {
JMF 0:24d3eb812fd4 304 // Look for an unused socket
JMF 0:24d3eb812fd4 305 int id = -1;
JMF 0:24d3eb812fd4 306
JMF 0:24d3eb812fd4 307 for (int i = 0; i < ESP8266_SOCKET_COUNT; i++) {
JMF 0:24d3eb812fd4 308 if (!_ids[i]) {
JMF 0:24d3eb812fd4 309 id = i;
JMF 0:24d3eb812fd4 310 _ids[i] = true;
JMF 0:24d3eb812fd4 311 break;
JMF 0:24d3eb812fd4 312 }
JMF 0:24d3eb812fd4 313 }
JMF 0:24d3eb812fd4 314
JMF 0:24d3eb812fd4 315 if (id == -1) {
JMF 0:24d3eb812fd4 316 return NSAPI_ERROR_NO_SOCKET;
JMF 0:24d3eb812fd4 317 }
JMF 0:24d3eb812fd4 318
JMF 0:24d3eb812fd4 319 struct esp8266_socket *socket = new struct esp8266_socket;
JMF 0:24d3eb812fd4 320 if (!socket) {
JMF 0:24d3eb812fd4 321 return NSAPI_ERROR_NO_SOCKET;
JMF 0:24d3eb812fd4 322 }
JMF 0:24d3eb812fd4 323
JMF 0:24d3eb812fd4 324 socket->id = id;
JMF 0:24d3eb812fd4 325 socket->proto = proto;
JMF 0:24d3eb812fd4 326 socket->connected = false;
JMF 0:24d3eb812fd4 327 socket->keepalive = 0;
JMF 0:24d3eb812fd4 328 *handle = socket;
JMF 0:24d3eb812fd4 329 return 0;
JMF 0:24d3eb812fd4 330 }
JMF 0:24d3eb812fd4 331
JMF 0:24d3eb812fd4 332 int ESP8266Interface::socket_close(void *handle)
JMF 0:24d3eb812fd4 333 {
JMF 0:24d3eb812fd4 334 struct esp8266_socket *socket = (struct esp8266_socket *)handle;
JMF 0:24d3eb812fd4 335 int err = 0;
JMF 0:24d3eb812fd4 336
JMF 0:24d3eb812fd4 337 if (!socket) {
JMF 0:24d3eb812fd4 338 return NSAPI_ERROR_NO_SOCKET;
JMF 0:24d3eb812fd4 339 }
JMF 0:24d3eb812fd4 340
JMF 0:24d3eb812fd4 341 if (socket->connected && !_esp.close(socket->id)) {
JMF 0:24d3eb812fd4 342 err = NSAPI_ERROR_DEVICE_ERROR;
JMF 0:24d3eb812fd4 343 }
JMF 0:24d3eb812fd4 344
JMF 0:24d3eb812fd4 345 socket->connected = false;
JMF 0:24d3eb812fd4 346 _ids[socket->id] = false;
JMF 0:24d3eb812fd4 347 _local_ports[socket->id] = 0;
JMF 0:24d3eb812fd4 348 delete socket;
JMF 0:24d3eb812fd4 349 return err;
JMF 0:24d3eb812fd4 350 }
JMF 0:24d3eb812fd4 351
JMF 0:24d3eb812fd4 352 int ESP8266Interface::socket_bind(void *handle, const SocketAddress &address)
JMF 0:24d3eb812fd4 353 {
JMF 0:24d3eb812fd4 354 struct esp8266_socket *socket = (struct esp8266_socket *)handle;
JMF 0:24d3eb812fd4 355
JMF 0:24d3eb812fd4 356 if (!socket) {
JMF 0:24d3eb812fd4 357 return NSAPI_ERROR_NO_SOCKET;
JMF 0:24d3eb812fd4 358 }
JMF 0:24d3eb812fd4 359
JMF 0:24d3eb812fd4 360 if (socket->proto == NSAPI_UDP) {
JMF 0:24d3eb812fd4 361 if(address.get_addr().version != NSAPI_UNSPEC) {
JMF 0:24d3eb812fd4 362 return NSAPI_ERROR_UNSUPPORTED;
JMF 0:24d3eb812fd4 363 }
JMF 0:24d3eb812fd4 364
JMF 0:24d3eb812fd4 365 for(int id = 0; id < ESP8266_SOCKET_COUNT; id++) {
JMF 0:24d3eb812fd4 366 if(_local_ports[id] == address.get_port() && id != socket->id) { // Port already reserved by another socket
JMF 0:24d3eb812fd4 367 return NSAPI_ERROR_PARAMETER;
JMF 0:24d3eb812fd4 368 } else if (id == socket->id && socket->connected) {
JMF 0:24d3eb812fd4 369 return NSAPI_ERROR_PARAMETER;
JMF 0:24d3eb812fd4 370 }
JMF 0:24d3eb812fd4 371 }
JMF 0:24d3eb812fd4 372 _local_ports[socket->id] = address.get_port();
JMF 0:24d3eb812fd4 373 return 0;
JMF 0:24d3eb812fd4 374 }
JMF 0:24d3eb812fd4 375
JMF 0:24d3eb812fd4 376 return NSAPI_ERROR_UNSUPPORTED;
JMF 0:24d3eb812fd4 377 }
JMF 0:24d3eb812fd4 378
JMF 0:24d3eb812fd4 379 int ESP8266Interface::socket_listen(void *handle, int backlog)
JMF 0:24d3eb812fd4 380 {
JMF 0:24d3eb812fd4 381 return NSAPI_ERROR_UNSUPPORTED;
JMF 0:24d3eb812fd4 382 }
JMF 0:24d3eb812fd4 383
JMF 0:24d3eb812fd4 384 int ESP8266Interface::socket_connect(void *handle, const SocketAddress &addr)
JMF 0:24d3eb812fd4 385 {
JMF 0:24d3eb812fd4 386 struct esp8266_socket *socket = (struct esp8266_socket *)handle;
JMF 0:24d3eb812fd4 387 nsapi_error_t ret;
JMF 0:24d3eb812fd4 388
JMF 0:24d3eb812fd4 389 if (!socket) {
JMF 0:24d3eb812fd4 390 return NSAPI_ERROR_NO_SOCKET;
JMF 0:24d3eb812fd4 391 }
JMF 0:24d3eb812fd4 392
JMF 0:24d3eb812fd4 393 if (socket->proto == NSAPI_UDP) {
JMF 0:24d3eb812fd4 394 ret = _esp.open_udp(socket->id, addr.get_ip_address(), addr.get_port(), _local_ports[socket->id]);
JMF 0:24d3eb812fd4 395 if (ret != NSAPI_ERROR_OK) {
JMF 0:24d3eb812fd4 396 return ret;
JMF 0:24d3eb812fd4 397 }
JMF 0:24d3eb812fd4 398 } else {
JMF 0:24d3eb812fd4 399 if (!_esp.open_tcp(socket->id, addr.get_ip_address(), addr.get_port(), socket->keepalive)) {
JMF 0:24d3eb812fd4 400 return NSAPI_ERROR_DEVICE_ERROR;
JMF 0:24d3eb812fd4 401 }
JMF 0:24d3eb812fd4 402 }
JMF 0:24d3eb812fd4 403
JMF 0:24d3eb812fd4 404 socket->connected = true;
JMF 0:24d3eb812fd4 405 return 0;
JMF 0:24d3eb812fd4 406 }
JMF 0:24d3eb812fd4 407
JMF 0:24d3eb812fd4 408 int ESP8266Interface::socket_accept(void *server, void **socket, SocketAddress *addr)
JMF 0:24d3eb812fd4 409 {
JMF 0:24d3eb812fd4 410 return NSAPI_ERROR_UNSUPPORTED;
JMF 0:24d3eb812fd4 411 }
JMF 0:24d3eb812fd4 412
JMF 0:24d3eb812fd4 413 int ESP8266Interface::socket_send(void *handle, const void *data, unsigned size)
JMF 0:24d3eb812fd4 414 {
JMF 0:24d3eb812fd4 415 nsapi_error_t status;
JMF 0:24d3eb812fd4 416 struct esp8266_socket *socket = (struct esp8266_socket *)handle;
JMF 0:24d3eb812fd4 417
JMF 0:24d3eb812fd4 418 if (!socket) {
JMF 0:24d3eb812fd4 419 return NSAPI_ERROR_NO_SOCKET;
JMF 0:24d3eb812fd4 420 }
JMF 0:24d3eb812fd4 421
JMF 0:24d3eb812fd4 422 status = _esp.send(socket->id, data, size);
JMF 0:24d3eb812fd4 423
JMF 0:24d3eb812fd4 424 return status != NSAPI_ERROR_OK ? status : size;
JMF 0:24d3eb812fd4 425 }
JMF 0:24d3eb812fd4 426
JMF 0:24d3eb812fd4 427 int ESP8266Interface::socket_recv(void *handle, void *data, unsigned size)
JMF 0:24d3eb812fd4 428 {
JMF 0:24d3eb812fd4 429 struct esp8266_socket *socket = (struct esp8266_socket *)handle;
JMF 0:24d3eb812fd4 430
JMF 0:24d3eb812fd4 431 if (!socket) {
JMF 0:24d3eb812fd4 432 return NSAPI_ERROR_NO_SOCKET;
JMF 0:24d3eb812fd4 433 }
JMF 0:24d3eb812fd4 434
JMF 0:24d3eb812fd4 435 int32_t recv;
JMF 0:24d3eb812fd4 436 if (socket->proto == NSAPI_TCP) {
JMF 0:24d3eb812fd4 437 recv = _esp.recv_tcp(socket->id, data, size);
JMF 0:24d3eb812fd4 438 if (recv <= 0 && recv != NSAPI_ERROR_WOULD_BLOCK) {
JMF 0:24d3eb812fd4 439 socket->connected = false;
JMF 0:24d3eb812fd4 440 }
JMF 0:24d3eb812fd4 441 } else {
JMF 0:24d3eb812fd4 442 recv = _esp.recv_udp(socket->id, data, size);
JMF 0:24d3eb812fd4 443 }
JMF 0:24d3eb812fd4 444
JMF 0:24d3eb812fd4 445 return recv;
JMF 0:24d3eb812fd4 446 }
JMF 0:24d3eb812fd4 447
JMF 0:24d3eb812fd4 448 int ESP8266Interface::socket_sendto(void *handle, const SocketAddress &addr, const void *data, unsigned size)
JMF 0:24d3eb812fd4 449 {
JMF 0:24d3eb812fd4 450 struct esp8266_socket *socket = (struct esp8266_socket *)handle;
JMF 0:24d3eb812fd4 451
JMF 0:24d3eb812fd4 452 if (!socket) {
JMF 0:24d3eb812fd4 453 return NSAPI_ERROR_NO_SOCKET;
JMF 0:24d3eb812fd4 454 }
JMF 0:24d3eb812fd4 455
JMF 0:24d3eb812fd4 456 if((strcmp(addr.get_ip_address(), "0.0.0.0") == 0) || !addr.get_port()) {
JMF 0:24d3eb812fd4 457 return NSAPI_ERROR_DNS_FAILURE;
JMF 0:24d3eb812fd4 458 }
JMF 0:24d3eb812fd4 459
JMF 0:24d3eb812fd4 460 if (socket->connected && socket->addr != addr) {
JMF 0:24d3eb812fd4 461 if (!_esp.close(socket->id)) {
JMF 0:24d3eb812fd4 462 return NSAPI_ERROR_DEVICE_ERROR;
JMF 0:24d3eb812fd4 463 }
JMF 0:24d3eb812fd4 464 socket->connected = false;
JMF 0:24d3eb812fd4 465 }
JMF 0:24d3eb812fd4 466
JMF 0:24d3eb812fd4 467 if (!socket->connected) {
JMF 0:24d3eb812fd4 468 int err = socket_connect(socket, addr);
JMF 0:24d3eb812fd4 469 if (err < 0) {
JMF 0:24d3eb812fd4 470 return err;
JMF 0:24d3eb812fd4 471 }
JMF 0:24d3eb812fd4 472 socket->addr = addr;
JMF 0:24d3eb812fd4 473 }
JMF 0:24d3eb812fd4 474
JMF 0:24d3eb812fd4 475 return socket_send(socket, data, size);
JMF 0:24d3eb812fd4 476 }
JMF 0:24d3eb812fd4 477
JMF 0:24d3eb812fd4 478 int ESP8266Interface::socket_recvfrom(void *handle, SocketAddress *addr, void *data, unsigned size)
JMF 0:24d3eb812fd4 479 {
JMF 0:24d3eb812fd4 480 struct esp8266_socket *socket = (struct esp8266_socket *)handle;
JMF 0:24d3eb812fd4 481
JMF 0:24d3eb812fd4 482 if (!socket) {
JMF 0:24d3eb812fd4 483 return NSAPI_ERROR_NO_SOCKET;
JMF 0:24d3eb812fd4 484 }
JMF 0:24d3eb812fd4 485
JMF 0:24d3eb812fd4 486 int ret = socket_recv(socket, data, size);
JMF 0:24d3eb812fd4 487 if (ret >= 0 && addr) {
JMF 0:24d3eb812fd4 488 *addr = socket->addr;
JMF 0:24d3eb812fd4 489 }
JMF 0:24d3eb812fd4 490
JMF 0:24d3eb812fd4 491 return ret;
JMF 0:24d3eb812fd4 492 }
JMF 0:24d3eb812fd4 493
JMF 0:24d3eb812fd4 494 void ESP8266Interface::socket_attach(void *handle, void (*callback)(void *), void *data)
JMF 0:24d3eb812fd4 495 {
JMF 0:24d3eb812fd4 496 struct esp8266_socket *socket = (struct esp8266_socket *)handle;
JMF 0:24d3eb812fd4 497 _cbs[socket->id].callback = callback;
JMF 0:24d3eb812fd4 498 _cbs[socket->id].data = data;
JMF 0:24d3eb812fd4 499 }
JMF 0:24d3eb812fd4 500
JMF 0:24d3eb812fd4 501 nsapi_error_t ESP8266Interface::setsockopt(nsapi_socket_t handle, int level,
JMF 0:24d3eb812fd4 502 int optname, const void *optval, unsigned optlen)
JMF 0:24d3eb812fd4 503 {
JMF 0:24d3eb812fd4 504 struct esp8266_socket *socket = (struct esp8266_socket *)handle;
JMF 0:24d3eb812fd4 505
JMF 0:24d3eb812fd4 506 if (!optlen) {
JMF 0:24d3eb812fd4 507 return NSAPI_ERROR_PARAMETER;
JMF 0:24d3eb812fd4 508 } else if (!socket) {
JMF 0:24d3eb812fd4 509 return NSAPI_ERROR_NO_SOCKET;
JMF 0:24d3eb812fd4 510 }
JMF 0:24d3eb812fd4 511
JMF 0:24d3eb812fd4 512 if (level == NSAPI_SOCKET && socket->proto == NSAPI_TCP) {
JMF 0:24d3eb812fd4 513 switch (optname) {
JMF 0:24d3eb812fd4 514 case NSAPI_KEEPALIVE: {
JMF 0:24d3eb812fd4 515 if(socket->connected) {// ESP8266 limitation, keepalive needs to be given before connecting
JMF 0:24d3eb812fd4 516 return NSAPI_ERROR_UNSUPPORTED;
JMF 0:24d3eb812fd4 517 }
JMF 0:24d3eb812fd4 518
JMF 0:24d3eb812fd4 519 if (optlen == sizeof(int)) {
JMF 0:24d3eb812fd4 520 int secs = *(int *)optval;
JMF 0:24d3eb812fd4 521 if (secs >= 0 && secs <= 7200) {
JMF 0:24d3eb812fd4 522 socket->keepalive = secs;
JMF 0:24d3eb812fd4 523 return NSAPI_ERROR_OK;
JMF 0:24d3eb812fd4 524 }
JMF 0:24d3eb812fd4 525 }
JMF 0:24d3eb812fd4 526 return NSAPI_ERROR_PARAMETER;
JMF 0:24d3eb812fd4 527 }
JMF 0:24d3eb812fd4 528 }
JMF 0:24d3eb812fd4 529 }
JMF 0:24d3eb812fd4 530
JMF 0:24d3eb812fd4 531 return NSAPI_ERROR_UNSUPPORTED;
JMF 0:24d3eb812fd4 532 }
JMF 0:24d3eb812fd4 533
JMF 0:24d3eb812fd4 534 nsapi_error_t ESP8266Interface::getsockopt(nsapi_socket_t handle, int level, int optname, void *optval, unsigned *optlen)
JMF 0:24d3eb812fd4 535 {
JMF 0:24d3eb812fd4 536 struct esp8266_socket *socket = (struct esp8266_socket *)handle;
JMF 0:24d3eb812fd4 537
JMF 0:24d3eb812fd4 538 if (!optval || !optlen) {
JMF 0:24d3eb812fd4 539 return NSAPI_ERROR_PARAMETER;
JMF 0:24d3eb812fd4 540 } else if (!socket) {
JMF 0:24d3eb812fd4 541 return NSAPI_ERROR_NO_SOCKET;
JMF 0:24d3eb812fd4 542 }
JMF 0:24d3eb812fd4 543
JMF 0:24d3eb812fd4 544 if (level == NSAPI_SOCKET && socket->proto == NSAPI_TCP) {
JMF 0:24d3eb812fd4 545 switch (optname) {
JMF 0:24d3eb812fd4 546 case NSAPI_KEEPALIVE: {
JMF 0:24d3eb812fd4 547 if(*optlen > sizeof(int)) {
JMF 0:24d3eb812fd4 548 *optlen = sizeof(int);
JMF 0:24d3eb812fd4 549 }
JMF 0:24d3eb812fd4 550 memcpy(optval, &(socket->keepalive), *optlen);
JMF 0:24d3eb812fd4 551 return NSAPI_ERROR_OK;
JMF 0:24d3eb812fd4 552 }
JMF 0:24d3eb812fd4 553 }
JMF 0:24d3eb812fd4 554 }
JMF 0:24d3eb812fd4 555
JMF 0:24d3eb812fd4 556 return NSAPI_ERROR_UNSUPPORTED;
JMF 0:24d3eb812fd4 557 }
JMF 0:24d3eb812fd4 558
JMF 0:24d3eb812fd4 559
JMF 0:24d3eb812fd4 560 void ESP8266Interface::event()
JMF 0:24d3eb812fd4 561 {
JMF 0:24d3eb812fd4 562 for (int i = 0; i < ESP8266_SOCKET_COUNT; i++) {
JMF 0:24d3eb812fd4 563 if (_cbs[i].callback) {
JMF 0:24d3eb812fd4 564 _cbs[i].callback(_cbs[i].data);
JMF 0:24d3eb812fd4 565 }
JMF 0:24d3eb812fd4 566 }
JMF 0:24d3eb812fd4 567 }
JMF 0:24d3eb812fd4 568
JMF 0:24d3eb812fd4 569 void ESP8266Interface::attach(mbed::Callback<void(nsapi_event_t, intptr_t)> status_cb)
JMF 0:24d3eb812fd4 570 {
JMF 0:24d3eb812fd4 571 _esp.attach(status_cb);
JMF 0:24d3eb812fd4 572 }
JMF 0:24d3eb812fd4 573
JMF 0:24d3eb812fd4 574 nsapi_connection_status_t ESP8266Interface::get_connection_status() const
JMF 0:24d3eb812fd4 575 {
JMF 0:24d3eb812fd4 576 return _esp.get_connection_status();
JMF 0:24d3eb812fd4 577 }