Kev Mann / mbed-dev-OS5_10_4

RTC auf true

components/wifi/esp8266-driver/ESP8266Interface.cpp@2:7aab896b1a3b, 2019-03-13 (annotated)

Committer:
kevman
Date:
Wed Mar 13 11:03:24 2019 +0000
Revision:
2:7aab896b1a3b
2019-03-13

Who changed what in which revision?

UserRevisionLine numberNew contents of line
kevman 2:7aab896b1a3b 1 /* ESP8266 implementation of NetworkInterfaceAPI
kevman 2:7aab896b1a3b 2 * Copyright (c) 2015 ARM Limited
kevman 2:7aab896b1a3b 3 *
kevman 2:7aab896b1a3b 4 * Licensed under the Apache License, Version 2.0 (the "License");
kevman 2:7aab896b1a3b 5 * you may not use this file except in compliance with the License.
kevman 2:7aab896b1a3b 6 * You may obtain a copy of the License at
kevman 2:7aab896b1a3b 7 *
kevman 2:7aab896b1a3b 8 * http://www.apache.org/licenses/LICENSE-2.0
kevman 2:7aab896b1a3b 9 *
kevman 2:7aab896b1a3b 10 * Unless required by applicable law or agreed to in writing, software
kevman 2:7aab896b1a3b 11 * distributed under the License is distributed on an "AS IS" BASIS,
kevman 2:7aab896b1a3b 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
kevman 2:7aab896b1a3b 13 * See the License for the specific language governing permissions and
kevman 2:7aab896b1a3b 14 * limitations under the License.
kevman 2:7aab896b1a3b 15 */
kevman 2:7aab896b1a3b 16
kevman 2:7aab896b1a3b 17 #include <cstring>
kevman 2:7aab896b1a3b 18 #include "ESP8266.h"
kevman 2:7aab896b1a3b 19 #include "ESP8266Interface.h"
kevman 2:7aab896b1a3b 20 #include "mbed_debug.h"
kevman 2:7aab896b1a3b 21 #include "nsapi_types.h"
kevman 2:7aab896b1a3b 22
kevman 2:7aab896b1a3b 23
kevman 2:7aab896b1a3b 24 #ifndef MBED_CONF_ESP8266_TX
kevman 2:7aab896b1a3b 25 #ifdef TARGET_FF_ARDUINO
kevman 2:7aab896b1a3b 26 #define MBED_CONF_ESP8266_TX D1
kevman 2:7aab896b1a3b 27 #else
kevman 2:7aab896b1a3b 28 #define MBED_CONF_ESP8266_TX NC
kevman 2:7aab896b1a3b 29 #endif
kevman 2:7aab896b1a3b 30 #endif
kevman 2:7aab896b1a3b 31
kevman 2:7aab896b1a3b 32 #ifndef MBED_CONF_ESP8266_RX
kevman 2:7aab896b1a3b 33 #ifdef TARGET_FF_ARDUINO
kevman 2:7aab896b1a3b 34 #define MBED_CONF_ESP8266_RX D0
kevman 2:7aab896b1a3b 35 #else
kevman 2:7aab896b1a3b 36 #define MBED_CONF_ESP8266_RX NC
kevman 2:7aab896b1a3b 37 #endif
kevman 2:7aab896b1a3b 38 #endif
kevman 2:7aab896b1a3b 39
kevman 2:7aab896b1a3b 40 // Firmware version
kevman 2:7aab896b1a3b 41 #define ESP8266_VERSION 2
kevman 2:7aab896b1a3b 42
kevman 2:7aab896b1a3b 43 ESP8266Interface::ESP8266Interface()
kevman 2:7aab896b1a3b 44 : _esp(MBED_CONF_ESP8266_TX, MBED_CONF_ESP8266_RX, MBED_CONF_ESP8266_DEBUG),
kevman 2:7aab896b1a3b 45 _initialized(false),
kevman 2:7aab896b1a3b 46 _started(false)
kevman 2:7aab896b1a3b 47 {
kevman 2:7aab896b1a3b 48 memset(_ids, 0, sizeof(_ids));
kevman 2:7aab896b1a3b 49 memset(_cbs, 0, sizeof(_cbs));
kevman 2:7aab896b1a3b 50 memset(ap_ssid, 0, sizeof(ap_ssid));
kevman 2:7aab896b1a3b 51 memset(ap_pass, 0, sizeof(ap_pass));
kevman 2:7aab896b1a3b 52 memset(_local_ports, 0, sizeof(_local_ports));
kevman 2:7aab896b1a3b 53 ap_sec = NSAPI_SECURITY_UNKNOWN;
kevman 2:7aab896b1a3b 54
kevman 2:7aab896b1a3b 55 _esp.sigio(this, &ESP8266Interface::event);
kevman 2:7aab896b1a3b 56 _esp.setTimeout();
kevman 2:7aab896b1a3b 57 }
kevman 2:7aab896b1a3b 58
kevman 2:7aab896b1a3b 59 // ESP8266Interface implementation
kevman 2:7aab896b1a3b 60 ESP8266Interface::ESP8266Interface(PinName tx, PinName rx, bool debug)
kevman 2:7aab896b1a3b 61 : _esp(tx, rx, debug),
kevman 2:7aab896b1a3b 62 _initialized(false),
kevman 2:7aab896b1a3b 63 _started(false)
kevman 2:7aab896b1a3b 64 {
kevman 2:7aab896b1a3b 65 memset(_ids, 0, sizeof(_ids));
kevman 2:7aab896b1a3b 66 memset(_cbs, 0, sizeof(_cbs));
kevman 2:7aab896b1a3b 67 memset(ap_ssid, 0, sizeof(ap_ssid));
kevman 2:7aab896b1a3b 68 memset(ap_pass, 0, sizeof(ap_pass));
kevman 2:7aab896b1a3b 69 memset(_local_ports, 0, sizeof(_local_ports));
kevman 2:7aab896b1a3b 70 ap_sec = NSAPI_SECURITY_UNKNOWN;
kevman 2:7aab896b1a3b 71
kevman 2:7aab896b1a3b 72 _esp.sigio(this, &ESP8266Interface::event);
kevman 2:7aab896b1a3b 73 _esp.setTimeout();
kevman 2:7aab896b1a3b 74 }
kevman 2:7aab896b1a3b 75
kevman 2:7aab896b1a3b 76 int ESP8266Interface::connect(const char *ssid, const char *pass, nsapi_security_t security,
kevman 2:7aab896b1a3b 77 uint8_t channel)
kevman 2:7aab896b1a3b 78 {
kevman 2:7aab896b1a3b 79 if (channel != 0) {
kevman 2:7aab896b1a3b 80 return NSAPI_ERROR_UNSUPPORTED;
kevman 2:7aab896b1a3b 81 }
kevman 2:7aab896b1a3b 82
kevman 2:7aab896b1a3b 83 int err = set_credentials(ssid, pass, security);
kevman 2:7aab896b1a3b 84 if(err) {
kevman 2:7aab896b1a3b 85 return err;
kevman 2:7aab896b1a3b 86 }
kevman 2:7aab896b1a3b 87
kevman 2:7aab896b1a3b 88 return connect();
kevman 2:7aab896b1a3b 89 }
kevman 2:7aab896b1a3b 90
kevman 2:7aab896b1a3b 91 int ESP8266Interface::connect()
kevman 2:7aab896b1a3b 92 {
kevman 2:7aab896b1a3b 93 nsapi_error_t status;
kevman 2:7aab896b1a3b 94
kevman 2:7aab896b1a3b 95 if (strlen(ap_ssid) == 0) {
kevman 2:7aab896b1a3b 96 return NSAPI_ERROR_NO_SSID;
kevman 2:7aab896b1a3b 97 }
kevman 2:7aab896b1a3b 98
kevman 2:7aab896b1a3b 99 if (ap_sec != NSAPI_SECURITY_NONE) {
kevman 2:7aab896b1a3b 100 if (strlen(ap_pass) < ESP8266_PASSPHRASE_MIN_LENGTH) {
kevman 2:7aab896b1a3b 101 return NSAPI_ERROR_PARAMETER;
kevman 2:7aab896b1a3b 102 }
kevman 2:7aab896b1a3b 103 }
kevman 2:7aab896b1a3b 104
kevman 2:7aab896b1a3b 105 status = _init();
kevman 2:7aab896b1a3b 106 if(status != NSAPI_ERROR_OK) {
kevman 2:7aab896b1a3b 107 return status;
kevman 2:7aab896b1a3b 108 }
kevman 2:7aab896b1a3b 109
kevman 2:7aab896b1a3b 110 if(get_ip_address()) {
kevman 2:7aab896b1a3b 111 return NSAPI_ERROR_IS_CONNECTED;
kevman 2:7aab896b1a3b 112 }
kevman 2:7aab896b1a3b 113
kevman 2:7aab896b1a3b 114 status = _startup(ESP8266::WIFIMODE_STATION);
kevman 2:7aab896b1a3b 115 if(status != NSAPI_ERROR_OK) {
kevman 2:7aab896b1a3b 116 return status;
kevman 2:7aab896b1a3b 117 }
kevman 2:7aab896b1a3b 118 _started = true;
kevman 2:7aab896b1a3b 119
kevman 2:7aab896b1a3b 120 if (!_esp.dhcp(true, 1)) {
kevman 2:7aab896b1a3b 121 return NSAPI_ERROR_DHCP_FAILURE;
kevman 2:7aab896b1a3b 122 }
kevman 2:7aab896b1a3b 123
kevman 2:7aab896b1a3b 124 int connect_error = _esp.connect(ap_ssid, ap_pass);
kevman 2:7aab896b1a3b 125 if (connect_error) {
kevman 2:7aab896b1a3b 126 return connect_error;
kevman 2:7aab896b1a3b 127 }
kevman 2:7aab896b1a3b 128
kevman 2:7aab896b1a3b 129 if (!get_ip_address()) {
kevman 2:7aab896b1a3b 130 return NSAPI_ERROR_DHCP_FAILURE;
kevman 2:7aab896b1a3b 131 }
kevman 2:7aab896b1a3b 132
kevman 2:7aab896b1a3b 133 return NSAPI_ERROR_OK;
kevman 2:7aab896b1a3b 134 }
kevman 2:7aab896b1a3b 135
kevman 2:7aab896b1a3b 136 int ESP8266Interface::set_credentials(const char *ssid, const char *pass, nsapi_security_t security)
kevman 2:7aab896b1a3b 137 {
kevman 2:7aab896b1a3b 138 ap_sec = security;
kevman 2:7aab896b1a3b 139
kevman 2:7aab896b1a3b 140 if (!ssid) {
kevman 2:7aab896b1a3b 141 return NSAPI_ERROR_PARAMETER;
kevman 2:7aab896b1a3b 142 }
kevman 2:7aab896b1a3b 143
kevman 2:7aab896b1a3b 144 int ssid_length = strlen(ssid);
kevman 2:7aab896b1a3b 145
kevman 2:7aab896b1a3b 146 if (ssid_length > 0
kevman 2:7aab896b1a3b 147 && ssid_length <= ESP8266_SSID_MAX_LENGTH) {
kevman 2:7aab896b1a3b 148 memset(ap_ssid, 0, sizeof(ap_ssid));
kevman 2:7aab896b1a3b 149 strncpy(ap_ssid, ssid, sizeof(ap_ssid));
kevman 2:7aab896b1a3b 150 } else {
kevman 2:7aab896b1a3b 151 return NSAPI_ERROR_PARAMETER;
kevman 2:7aab896b1a3b 152 }
kevman 2:7aab896b1a3b 153
kevman 2:7aab896b1a3b 154 if (ap_sec != NSAPI_SECURITY_NONE) {
kevman 2:7aab896b1a3b 155
kevman 2:7aab896b1a3b 156 if (!pass) {
kevman 2:7aab896b1a3b 157 return NSAPI_ERROR_PARAMETER;
kevman 2:7aab896b1a3b 158 }
kevman 2:7aab896b1a3b 159
kevman 2:7aab896b1a3b 160 int pass_length = strlen(pass);
kevman 2:7aab896b1a3b 161 if (pass_length >= ESP8266_PASSPHRASE_MIN_LENGTH
kevman 2:7aab896b1a3b 162 && pass_length <= ESP8266_PASSPHRASE_MAX_LENGTH ) {
kevman 2:7aab896b1a3b 163 memset(ap_pass, 0, sizeof(ap_pass));
kevman 2:7aab896b1a3b 164 strncpy(ap_pass, pass, sizeof(ap_pass));
kevman 2:7aab896b1a3b 165 } else {
kevman 2:7aab896b1a3b 166 return NSAPI_ERROR_PARAMETER;
kevman 2:7aab896b1a3b 167 }
kevman 2:7aab896b1a3b 168 } else {
kevman 2:7aab896b1a3b 169 memset(ap_pass, 0, sizeof(ap_pass));
kevman 2:7aab896b1a3b 170 }
kevman 2:7aab896b1a3b 171
kevman 2:7aab896b1a3b 172 return NSAPI_ERROR_OK;
kevman 2:7aab896b1a3b 173 }
kevman 2:7aab896b1a3b 174
kevman 2:7aab896b1a3b 175 int ESP8266Interface::set_channel(uint8_t channel)
kevman 2:7aab896b1a3b 176 {
kevman 2:7aab896b1a3b 177 return NSAPI_ERROR_UNSUPPORTED;
kevman 2:7aab896b1a3b 178 }
kevman 2:7aab896b1a3b 179
kevman 2:7aab896b1a3b 180
kevman 2:7aab896b1a3b 181 int ESP8266Interface::disconnect()
kevman 2:7aab896b1a3b 182 {
kevman 2:7aab896b1a3b 183 _started = false;
kevman 2:7aab896b1a3b 184 _initialized = false;
kevman 2:7aab896b1a3b 185
kevman 2:7aab896b1a3b 186 return _esp.disconnect() ? NSAPI_ERROR_OK : NSAPI_ERROR_DEVICE_ERROR;
kevman 2:7aab896b1a3b 187 }
kevman 2:7aab896b1a3b 188
kevman 2:7aab896b1a3b 189 const char *ESP8266Interface::get_ip_address()
kevman 2:7aab896b1a3b 190 {
kevman 2:7aab896b1a3b 191 if(!_started) {
kevman 2:7aab896b1a3b 192 return NULL;
kevman 2:7aab896b1a3b 193 }
kevman 2:7aab896b1a3b 194
kevman 2:7aab896b1a3b 195 const char *ip_buff = _esp.getIPAddress();
kevman 2:7aab896b1a3b 196 if(!ip_buff || std::strcmp(ip_buff, "0.0.0.0") == 0) {
kevman 2:7aab896b1a3b 197 return NULL;
kevman 2:7aab896b1a3b 198 }
kevman 2:7aab896b1a3b 199
kevman 2:7aab896b1a3b 200 return ip_buff;
kevman 2:7aab896b1a3b 201 }
kevman 2:7aab896b1a3b 202
kevman 2:7aab896b1a3b 203 const char *ESP8266Interface::get_mac_address()
kevman 2:7aab896b1a3b 204 {
kevman 2:7aab896b1a3b 205 return _esp.getMACAddress();
kevman 2:7aab896b1a3b 206 }
kevman 2:7aab896b1a3b 207
kevman 2:7aab896b1a3b 208 const char *ESP8266Interface::get_gateway()
kevman 2:7aab896b1a3b 209 {
kevman 2:7aab896b1a3b 210 return _started ? _esp.getGateway() : NULL;
kevman 2:7aab896b1a3b 211 }
kevman 2:7aab896b1a3b 212
kevman 2:7aab896b1a3b 213 const char *ESP8266Interface::get_netmask()
kevman 2:7aab896b1a3b 214 {
kevman 2:7aab896b1a3b 215 return _started ? _esp.getNetmask() : NULL;
kevman 2:7aab896b1a3b 216 }
kevman 2:7aab896b1a3b 217
kevman 2:7aab896b1a3b 218 int8_t ESP8266Interface::get_rssi()
kevman 2:7aab896b1a3b 219 {
kevman 2:7aab896b1a3b 220 return _started ? _esp.getRSSI() : 0;
kevman 2:7aab896b1a3b 221 }
kevman 2:7aab896b1a3b 222
kevman 2:7aab896b1a3b 223 int ESP8266Interface::scan(WiFiAccessPoint *res, unsigned count)
kevman 2:7aab896b1a3b 224 {
kevman 2:7aab896b1a3b 225 nsapi_error_t status;
kevman 2:7aab896b1a3b 226
kevman 2:7aab896b1a3b 227 status = _init();
kevman 2:7aab896b1a3b 228 if(status != NSAPI_ERROR_OK) {
kevman 2:7aab896b1a3b 229 return status;
kevman 2:7aab896b1a3b 230 }
kevman 2:7aab896b1a3b 231
kevman 2:7aab896b1a3b 232 status = _startup(ESP8266::WIFIMODE_STATION);
kevman 2:7aab896b1a3b 233 if(status != NSAPI_ERROR_OK) {
kevman 2:7aab896b1a3b 234 return status;
kevman 2:7aab896b1a3b 235 }
kevman 2:7aab896b1a3b 236
kevman 2:7aab896b1a3b 237 return _esp.scan(res, count);
kevman 2:7aab896b1a3b 238 }
kevman 2:7aab896b1a3b 239
kevman 2:7aab896b1a3b 240 bool ESP8266Interface::_get_firmware_ok()
kevman 2:7aab896b1a3b 241 {
kevman 2:7aab896b1a3b 242 if (_esp.get_firmware_version() != ESP8266_VERSION) {
kevman 2:7aab896b1a3b 243 debug("ESP8266: ERROR: Firmware incompatible with this driver.\
kevman 2:7aab896b1a3b 244 \r\nUpdate to v%d - https://developer.mbed.org/teams/ESP8266/wiki/Firmware-Update\r\n",ESP8266_VERSION);
kevman 2:7aab896b1a3b 245 return false;
kevman 2:7aab896b1a3b 246 }
kevman 2:7aab896b1a3b 247
kevman 2:7aab896b1a3b 248 return true;
kevman 2:7aab896b1a3b 249 }
kevman 2:7aab896b1a3b 250
kevman 2:7aab896b1a3b 251 bool ESP8266Interface::_disable_default_softap()
kevman 2:7aab896b1a3b 252 {
kevman 2:7aab896b1a3b 253 static int disabled = false;
kevman 2:7aab896b1a3b 254
kevman 2:7aab896b1a3b 255 if (disabled || _esp.get_default_wifi_mode() == ESP8266::WIFIMODE_STATION) {
kevman 2:7aab896b1a3b 256 disabled = true;
kevman 2:7aab896b1a3b 257 return true;
kevman 2:7aab896b1a3b 258 }
kevman 2:7aab896b1a3b 259 if (_esp.set_default_wifi_mode(ESP8266::WIFIMODE_STATION)) {
kevman 2:7aab896b1a3b 260 disabled = true;
kevman 2:7aab896b1a3b 261 return true;
kevman 2:7aab896b1a3b 262 }
kevman 2:7aab896b1a3b 263
kevman 2:7aab896b1a3b 264 return false;
kevman 2:7aab896b1a3b 265 }
kevman 2:7aab896b1a3b 266
kevman 2:7aab896b1a3b 267 nsapi_error_t ESP8266Interface::_init(void)
kevman 2:7aab896b1a3b 268 {
kevman 2:7aab896b1a3b 269 if (!_initialized) {
kevman 2:7aab896b1a3b 270 if (!_esp.reset()) {
kevman 2:7aab896b1a3b 271 return NSAPI_ERROR_DEVICE_ERROR;
kevman 2:7aab896b1a3b 272 }
kevman 2:7aab896b1a3b 273 if (!_get_firmware_ok()) {
kevman 2:7aab896b1a3b 274 return NSAPI_ERROR_DEVICE_ERROR;
kevman 2:7aab896b1a3b 275 }
kevman 2:7aab896b1a3b 276 if (_disable_default_softap() == false) {
kevman 2:7aab896b1a3b 277 return NSAPI_ERROR_DEVICE_ERROR;
kevman 2:7aab896b1a3b 278 }
kevman 2:7aab896b1a3b 279 _initialized = true;
kevman 2:7aab896b1a3b 280 }
kevman 2:7aab896b1a3b 281 return NSAPI_ERROR_OK;
kevman 2:7aab896b1a3b 282 }
kevman 2:7aab896b1a3b 283
kevman 2:7aab896b1a3b 284 nsapi_error_t ESP8266Interface::_startup(const int8_t wifi_mode)
kevman 2:7aab896b1a3b 285 {
kevman 2:7aab896b1a3b 286 if (!_started) {
kevman 2:7aab896b1a3b 287 if (!_esp.startup(wifi_mode)) {
kevman 2:7aab896b1a3b 288 return NSAPI_ERROR_DEVICE_ERROR;
kevman 2:7aab896b1a3b 289 }
kevman 2:7aab896b1a3b 290 }
kevman 2:7aab896b1a3b 291 return NSAPI_ERROR_OK;
kevman 2:7aab896b1a3b 292 }
kevman 2:7aab896b1a3b 293
kevman 2:7aab896b1a3b 294 struct esp8266_socket {
kevman 2:7aab896b1a3b 295 int id;
kevman 2:7aab896b1a3b 296 nsapi_protocol_t proto;
kevman 2:7aab896b1a3b 297 bool connected;
kevman 2:7aab896b1a3b 298 SocketAddress addr;
kevman 2:7aab896b1a3b 299 int keepalive; // TCP
kevman 2:7aab896b1a3b 300 };
kevman 2:7aab896b1a3b 301
kevman 2:7aab896b1a3b 302 int ESP8266Interface::socket_open(void **handle, nsapi_protocol_t proto)
kevman 2:7aab896b1a3b 303 {
kevman 2:7aab896b1a3b 304 // Look for an unused socket
kevman 2:7aab896b1a3b 305 int id = -1;
kevman 2:7aab896b1a3b 306
kevman 2:7aab896b1a3b 307 for (int i = 0; i < ESP8266_SOCKET_COUNT; i++) {
kevman 2:7aab896b1a3b 308 if (!_ids[i]) {
kevman 2:7aab896b1a3b 309 id = i;
kevman 2:7aab896b1a3b 310 _ids[i] = true;
kevman 2:7aab896b1a3b 311 break;
kevman 2:7aab896b1a3b 312 }
kevman 2:7aab896b1a3b 313 }
kevman 2:7aab896b1a3b 314
kevman 2:7aab896b1a3b 315 if (id == -1) {
kevman 2:7aab896b1a3b 316 return NSAPI_ERROR_NO_SOCKET;
kevman 2:7aab896b1a3b 317 }
kevman 2:7aab896b1a3b 318
kevman 2:7aab896b1a3b 319 struct esp8266_socket *socket = new struct esp8266_socket;
kevman 2:7aab896b1a3b 320 if (!socket) {
kevman 2:7aab896b1a3b 321 return NSAPI_ERROR_NO_SOCKET;
kevman 2:7aab896b1a3b 322 }
kevman 2:7aab896b1a3b 323
kevman 2:7aab896b1a3b 324 socket->id = id;
kevman 2:7aab896b1a3b 325 socket->proto = proto;
kevman 2:7aab896b1a3b 326 socket->connected = false;
kevman 2:7aab896b1a3b 327 socket->keepalive = 0;
kevman 2:7aab896b1a3b 328 *handle = socket;
kevman 2:7aab896b1a3b 329 return 0;
kevman 2:7aab896b1a3b 330 }
kevman 2:7aab896b1a3b 331
kevman 2:7aab896b1a3b 332 int ESP8266Interface::socket_close(void *handle)
kevman 2:7aab896b1a3b 333 {
kevman 2:7aab896b1a3b 334 struct esp8266_socket *socket = (struct esp8266_socket *)handle;
kevman 2:7aab896b1a3b 335 int err = 0;
kevman 2:7aab896b1a3b 336
kevman 2:7aab896b1a3b 337 if (!socket) {
kevman 2:7aab896b1a3b 338 return NSAPI_ERROR_NO_SOCKET;
kevman 2:7aab896b1a3b 339 }
kevman 2:7aab896b1a3b 340
kevman 2:7aab896b1a3b 341 if (socket->connected && !_esp.close(socket->id)) {
kevman 2:7aab896b1a3b 342 err = NSAPI_ERROR_DEVICE_ERROR;
kevman 2:7aab896b1a3b 343 }
kevman 2:7aab896b1a3b 344
kevman 2:7aab896b1a3b 345 socket->connected = false;
kevman 2:7aab896b1a3b 346 _ids[socket->id] = false;
kevman 2:7aab896b1a3b 347 _local_ports[socket->id] = 0;
kevman 2:7aab896b1a3b 348 delete socket;
kevman 2:7aab896b1a3b 349 return err;
kevman 2:7aab896b1a3b 350 }
kevman 2:7aab896b1a3b 351
kevman 2:7aab896b1a3b 352 int ESP8266Interface::socket_bind(void *handle, const SocketAddress &address)
kevman 2:7aab896b1a3b 353 {
kevman 2:7aab896b1a3b 354 struct esp8266_socket *socket = (struct esp8266_socket *)handle;
kevman 2:7aab896b1a3b 355
kevman 2:7aab896b1a3b 356 if (!socket) {
kevman 2:7aab896b1a3b 357 return NSAPI_ERROR_NO_SOCKET;
kevman 2:7aab896b1a3b 358 }
kevman 2:7aab896b1a3b 359
kevman 2:7aab896b1a3b 360 if (socket->proto == NSAPI_UDP) {
kevman 2:7aab896b1a3b 361 if(address.get_addr().version != NSAPI_UNSPEC) {
kevman 2:7aab896b1a3b 362 return NSAPI_ERROR_UNSUPPORTED;
kevman 2:7aab896b1a3b 363 }
kevman 2:7aab896b1a3b 364
kevman 2:7aab896b1a3b 365 for(int id = 0; id < ESP8266_SOCKET_COUNT; id++) {
kevman 2:7aab896b1a3b 366 if(_local_ports[id] == address.get_port() && id != socket->id) { // Port already reserved by another socket
kevman 2:7aab896b1a3b 367 return NSAPI_ERROR_PARAMETER;
kevman 2:7aab896b1a3b 368 } else if (id == socket->id && socket->connected) {
kevman 2:7aab896b1a3b 369 return NSAPI_ERROR_PARAMETER;
kevman 2:7aab896b1a3b 370 }
kevman 2:7aab896b1a3b 371 }
kevman 2:7aab896b1a3b 372 _local_ports[socket->id] = address.get_port();
kevman 2:7aab896b1a3b 373 return 0;
kevman 2:7aab896b1a3b 374 }
kevman 2:7aab896b1a3b 375
kevman 2:7aab896b1a3b 376 return NSAPI_ERROR_UNSUPPORTED;
kevman 2:7aab896b1a3b 377 }
kevman 2:7aab896b1a3b 378
kevman 2:7aab896b1a3b 379 int ESP8266Interface::socket_listen(void *handle, int backlog)
kevman 2:7aab896b1a3b 380 {
kevman 2:7aab896b1a3b 381 return NSAPI_ERROR_UNSUPPORTED;
kevman 2:7aab896b1a3b 382 }
kevman 2:7aab896b1a3b 383
kevman 2:7aab896b1a3b 384 int ESP8266Interface::socket_connect(void *handle, const SocketAddress &addr)
kevman 2:7aab896b1a3b 385 {
kevman 2:7aab896b1a3b 386 struct esp8266_socket *socket = (struct esp8266_socket *)handle;
kevman 2:7aab896b1a3b 387 nsapi_error_t ret;
kevman 2:7aab896b1a3b 388
kevman 2:7aab896b1a3b 389 if (!socket) {
kevman 2:7aab896b1a3b 390 return NSAPI_ERROR_NO_SOCKET;
kevman 2:7aab896b1a3b 391 }
kevman 2:7aab896b1a3b 392
kevman 2:7aab896b1a3b 393 if (socket->proto == NSAPI_UDP) {
kevman 2:7aab896b1a3b 394 ret = _esp.open_udp(socket->id, addr.get_ip_address(), addr.get_port(), _local_ports[socket->id]);
kevman 2:7aab896b1a3b 395 if (ret != NSAPI_ERROR_OK) {
kevman 2:7aab896b1a3b 396 return ret;
kevman 2:7aab896b1a3b 397 }
kevman 2:7aab896b1a3b 398 } else {
kevman 2:7aab896b1a3b 399 if (!_esp.open_tcp(socket->id, addr.get_ip_address(), addr.get_port(), socket->keepalive)) {
kevman 2:7aab896b1a3b 400 return NSAPI_ERROR_DEVICE_ERROR;
kevman 2:7aab896b1a3b 401 }
kevman 2:7aab896b1a3b 402 }
kevman 2:7aab896b1a3b 403
kevman 2:7aab896b1a3b 404 socket->connected = true;
kevman 2:7aab896b1a3b 405 return 0;
kevman 2:7aab896b1a3b 406 }
kevman 2:7aab896b1a3b 407
kevman 2:7aab896b1a3b 408 int ESP8266Interface::socket_accept(void *server, void **socket, SocketAddress *addr)
kevman 2:7aab896b1a3b 409 {
kevman 2:7aab896b1a3b 410 return NSAPI_ERROR_UNSUPPORTED;
kevman 2:7aab896b1a3b 411 }
kevman 2:7aab896b1a3b 412
kevman 2:7aab896b1a3b 413 int ESP8266Interface::socket_send(void *handle, const void *data, unsigned size)
kevman 2:7aab896b1a3b 414 {
kevman 2:7aab896b1a3b 415 nsapi_error_t status;
kevman 2:7aab896b1a3b 416 struct esp8266_socket *socket = (struct esp8266_socket *)handle;
kevman 2:7aab896b1a3b 417
kevman 2:7aab896b1a3b 418 if (!socket) {
kevman 2:7aab896b1a3b 419 return NSAPI_ERROR_NO_SOCKET;
kevman 2:7aab896b1a3b 420 }
kevman 2:7aab896b1a3b 421
kevman 2:7aab896b1a3b 422 status = _esp.send(socket->id, data, size);
kevman 2:7aab896b1a3b 423
kevman 2:7aab896b1a3b 424 return status != NSAPI_ERROR_OK ? status : size;
kevman 2:7aab896b1a3b 425 }
kevman 2:7aab896b1a3b 426
kevman 2:7aab896b1a3b 427 int ESP8266Interface::socket_recv(void *handle, void *data, unsigned size)
kevman 2:7aab896b1a3b 428 {
kevman 2:7aab896b1a3b 429 struct esp8266_socket *socket = (struct esp8266_socket *)handle;
kevman 2:7aab896b1a3b 430
kevman 2:7aab896b1a3b 431 if (!socket) {
kevman 2:7aab896b1a3b 432 return NSAPI_ERROR_NO_SOCKET;
kevman 2:7aab896b1a3b 433 }
kevman 2:7aab896b1a3b 434
kevman 2:7aab896b1a3b 435 int32_t recv;
kevman 2:7aab896b1a3b 436 if (socket->proto == NSAPI_TCP) {
kevman 2:7aab896b1a3b 437 recv = _esp.recv_tcp(socket->id, data, size);
kevman 2:7aab896b1a3b 438 if (recv <= 0 && recv != NSAPI_ERROR_WOULD_BLOCK) {
kevman 2:7aab896b1a3b 439 socket->connected = false;
kevman 2:7aab896b1a3b 440 }
kevman 2:7aab896b1a3b 441 } else {
kevman 2:7aab896b1a3b 442 recv = _esp.recv_udp(socket->id, data, size);
kevman 2:7aab896b1a3b 443 }
kevman 2:7aab896b1a3b 444
kevman 2:7aab896b1a3b 445 return recv;
kevman 2:7aab896b1a3b 446 }
kevman 2:7aab896b1a3b 447
kevman 2:7aab896b1a3b 448 int ESP8266Interface::socket_sendto(void *handle, const SocketAddress &addr, const void *data, unsigned size)
kevman 2:7aab896b1a3b 449 {
kevman 2:7aab896b1a3b 450 struct esp8266_socket *socket = (struct esp8266_socket *)handle;
kevman 2:7aab896b1a3b 451
kevman 2:7aab896b1a3b 452 if (!socket) {
kevman 2:7aab896b1a3b 453 return NSAPI_ERROR_NO_SOCKET;
kevman 2:7aab896b1a3b 454 }
kevman 2:7aab896b1a3b 455
kevman 2:7aab896b1a3b 456 if((strcmp(addr.get_ip_address(), "0.0.0.0") == 0) || !addr.get_port()) {
kevman 2:7aab896b1a3b 457 return NSAPI_ERROR_DNS_FAILURE;
kevman 2:7aab896b1a3b 458 }
kevman 2:7aab896b1a3b 459
kevman 2:7aab896b1a3b 460 if (socket->connected && socket->addr != addr) {
kevman 2:7aab896b1a3b 461 if (!_esp.close(socket->id)) {
kevman 2:7aab896b1a3b 462 return NSAPI_ERROR_DEVICE_ERROR;
kevman 2:7aab896b1a3b 463 }
kevman 2:7aab896b1a3b 464 socket->connected = false;
kevman 2:7aab896b1a3b 465 }
kevman 2:7aab896b1a3b 466
kevman 2:7aab896b1a3b 467 if (!socket->connected) {
kevman 2:7aab896b1a3b 468 int err = socket_connect(socket, addr);
kevman 2:7aab896b1a3b 469 if (err < 0) {
kevman 2:7aab896b1a3b 470 return err;
kevman 2:7aab896b1a3b 471 }
kevman 2:7aab896b1a3b 472 socket->addr = addr;
kevman 2:7aab896b1a3b 473 }
kevman 2:7aab896b1a3b 474
kevman 2:7aab896b1a3b 475 return socket_send(socket, data, size);
kevman 2:7aab896b1a3b 476 }
kevman 2:7aab896b1a3b 477
kevman 2:7aab896b1a3b 478 int ESP8266Interface::socket_recvfrom(void *handle, SocketAddress *addr, void *data, unsigned size)
kevman 2:7aab896b1a3b 479 {
kevman 2:7aab896b1a3b 480 struct esp8266_socket *socket = (struct esp8266_socket *)handle;
kevman 2:7aab896b1a3b 481
kevman 2:7aab896b1a3b 482 if (!socket) {
kevman 2:7aab896b1a3b 483 return NSAPI_ERROR_NO_SOCKET;
kevman 2:7aab896b1a3b 484 }
kevman 2:7aab896b1a3b 485
kevman 2:7aab896b1a3b 486 int ret = socket_recv(socket, data, size);
kevman 2:7aab896b1a3b 487 if (ret >= 0 && addr) {
kevman 2:7aab896b1a3b 488 *addr = socket->addr;
kevman 2:7aab896b1a3b 489 }
kevman 2:7aab896b1a3b 490
kevman 2:7aab896b1a3b 491 return ret;
kevman 2:7aab896b1a3b 492 }
kevman 2:7aab896b1a3b 493
kevman 2:7aab896b1a3b 494 void ESP8266Interface::socket_attach(void *handle, void (*callback)(void *), void *data)
kevman 2:7aab896b1a3b 495 {
kevman 2:7aab896b1a3b 496 struct esp8266_socket *socket = (struct esp8266_socket *)handle;
kevman 2:7aab896b1a3b 497 _cbs[socket->id].callback = callback;
kevman 2:7aab896b1a3b 498 _cbs[socket->id].data = data;
kevman 2:7aab896b1a3b 499 }
kevman 2:7aab896b1a3b 500
kevman 2:7aab896b1a3b 501 nsapi_error_t ESP8266Interface::setsockopt(nsapi_socket_t handle, int level,
kevman 2:7aab896b1a3b 502 int optname, const void *optval, unsigned optlen)
kevman 2:7aab896b1a3b 503 {
kevman 2:7aab896b1a3b 504 struct esp8266_socket *socket = (struct esp8266_socket *)handle;
kevman 2:7aab896b1a3b 505
kevman 2:7aab896b1a3b 506 if (!optlen) {
kevman 2:7aab896b1a3b 507 return NSAPI_ERROR_PARAMETER;
kevman 2:7aab896b1a3b 508 } else if (!socket) {
kevman 2:7aab896b1a3b 509 return NSAPI_ERROR_NO_SOCKET;
kevman 2:7aab896b1a3b 510 }
kevman 2:7aab896b1a3b 511
kevman 2:7aab896b1a3b 512 if (level == NSAPI_SOCKET && socket->proto == NSAPI_TCP) {
kevman 2:7aab896b1a3b 513 switch (optname) {
kevman 2:7aab896b1a3b 514 case NSAPI_KEEPALIVE: {
kevman 2:7aab896b1a3b 515 if(socket->connected) {// ESP8266 limitation, keepalive needs to be given before connecting
kevman 2:7aab896b1a3b 516 return NSAPI_ERROR_UNSUPPORTED;
kevman 2:7aab896b1a3b 517 }
kevman 2:7aab896b1a3b 518
kevman 2:7aab896b1a3b 519 if (optlen == sizeof(int)) {
kevman 2:7aab896b1a3b 520 int secs = *(int *)optval;
kevman 2:7aab896b1a3b 521 if (secs >= 0 && secs <= 7200) {
kevman 2:7aab896b1a3b 522 socket->keepalive = secs;
kevman 2:7aab896b1a3b 523 return NSAPI_ERROR_OK;
kevman 2:7aab896b1a3b 524 }
kevman 2:7aab896b1a3b 525 }
kevman 2:7aab896b1a3b 526 return NSAPI_ERROR_PARAMETER;
kevman 2:7aab896b1a3b 527 }
kevman 2:7aab896b1a3b 528 }
kevman 2:7aab896b1a3b 529 }
kevman 2:7aab896b1a3b 530
kevman 2:7aab896b1a3b 531 return NSAPI_ERROR_UNSUPPORTED;
kevman 2:7aab896b1a3b 532 }
kevman 2:7aab896b1a3b 533
kevman 2:7aab896b1a3b 534 nsapi_error_t ESP8266Interface::getsockopt(nsapi_socket_t handle, int level, int optname, void *optval, unsigned *optlen)
kevman 2:7aab896b1a3b 535 {
kevman 2:7aab896b1a3b 536 struct esp8266_socket *socket = (struct esp8266_socket *)handle;
kevman 2:7aab896b1a3b 537
kevman 2:7aab896b1a3b 538 if (!optval || !optlen) {
kevman 2:7aab896b1a3b 539 return NSAPI_ERROR_PARAMETER;
kevman 2:7aab896b1a3b 540 } else if (!socket) {
kevman 2:7aab896b1a3b 541 return NSAPI_ERROR_NO_SOCKET;
kevman 2:7aab896b1a3b 542 }
kevman 2:7aab896b1a3b 543
kevman 2:7aab896b1a3b 544 if (level == NSAPI_SOCKET && socket->proto == NSAPI_TCP) {
kevman 2:7aab896b1a3b 545 switch (optname) {
kevman 2:7aab896b1a3b 546 case NSAPI_KEEPALIVE: {
kevman 2:7aab896b1a3b 547 if(*optlen > sizeof(int)) {
kevman 2:7aab896b1a3b 548 *optlen = sizeof(int);
kevman 2:7aab896b1a3b 549 }
kevman 2:7aab896b1a3b 550 memcpy(optval, &(socket->keepalive), *optlen);
kevman 2:7aab896b1a3b 551 return NSAPI_ERROR_OK;
kevman 2:7aab896b1a3b 552 }
kevman 2:7aab896b1a3b 553 }
kevman 2:7aab896b1a3b 554 }
kevman 2:7aab896b1a3b 555
kevman 2:7aab896b1a3b 556 return NSAPI_ERROR_UNSUPPORTED;
kevman 2:7aab896b1a3b 557 }
kevman 2:7aab896b1a3b 558
kevman 2:7aab896b1a3b 559
kevman 2:7aab896b1a3b 560 void ESP8266Interface::event()
kevman 2:7aab896b1a3b 561 {
kevman 2:7aab896b1a3b 562 for (int i = 0; i < ESP8266_SOCKET_COUNT; i++) {
kevman 2:7aab896b1a3b 563 if (_cbs[i].callback) {
kevman 2:7aab896b1a3b 564 _cbs[i].callback(_cbs[i].data);
kevman 2:7aab896b1a3b 565 }
kevman 2:7aab896b1a3b 566 }
kevman 2:7aab896b1a3b 567 }
kevman 2:7aab896b1a3b 568
kevman 2:7aab896b1a3b 569 void ESP8266Interface::attach(mbed::Callback<void(nsapi_event_t, intptr_t)> status_cb)
kevman 2:7aab896b1a3b 570 {
kevman 2:7aab896b1a3b 571 _esp.attach(status_cb);
kevman 2:7aab896b1a3b 572 }
kevman 2:7aab896b1a3b 573
kevman 2:7aab896b1a3b 574 nsapi_connection_status_t ESP8266Interface::get_connection_status() const
kevman 2:7aab896b1a3b 575 {
kevman 2:7aab896b1a3b 576 return _esp.get_connection_status();
kevman 2:7aab896b1a3b 577 }
kevman 2:7aab896b1a3b 578
kevman 2:7aab896b1a3b 579 #if MBED_CONF_ESP8266_PROVIDE_DEFAULT
kevman 2:7aab896b1a3b 580
kevman 2:7aab896b1a3b 581 WiFiInterface *WiFiInterface::get_default_instance() {
kevman 2:7aab896b1a3b 582 static ESP8266Interface esp;
kevman 2:7aab896b1a3b 583 return &esp;
kevman 2:7aab896b1a3b 584 }
kevman 2:7aab896b1a3b 585
kevman 2:7aab896b1a3b 586 #endif