Duy tran / easy-connect

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ESP8266Interface.cpp@0:c9094fbda0bd, 2017-12-07 (annotated)

Committer:
DuyLionTran
Date:
Thu Dec 07 17:07:08 2017 +0000
Revision:
0:c9094fbda0bd
CUSTOMIZED FOR WATER MONITOR

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DuyLionTran 0:c9094fbda0bd 1 /* ESP8266 implementation of NetworkInterfaceAPI
DuyLionTran 0:c9094fbda0bd 2 * Copyright (c) 2015 ARM Limited
DuyLionTran 0:c9094fbda0bd 3 *
DuyLionTran 0:c9094fbda0bd 4 * Licensed under the Apache License, Version 2.0 (the "License");
DuyLionTran 0:c9094fbda0bd 5 * you may not use this file except in compliance with the License.
DuyLionTran 0:c9094fbda0bd 6 * You may obtain a copy of the License at
DuyLionTran 0:c9094fbda0bd 7 *
DuyLionTran 0:c9094fbda0bd 8 * http://www.apache.org/licenses/LICENSE-2.0
DuyLionTran 0:c9094fbda0bd 9 *
DuyLionTran 0:c9094fbda0bd 10 * Unless required by applicable law or agreed to in writing, software
DuyLionTran 0:c9094fbda0bd 11 * distributed under the License is distributed on an "AS IS" BASIS,
DuyLionTran 0:c9094fbda0bd 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
DuyLionTran 0:c9094fbda0bd 13 * See the License for the specific language governing permissions and
DuyLionTran 0:c9094fbda0bd 14 * limitations under the License.
DuyLionTran 0:c9094fbda0bd 15 */
DuyLionTran 0:c9094fbda0bd 16
DuyLionTran 0:c9094fbda0bd 17 #include <string.h>
DuyLionTran 0:c9094fbda0bd 18 #include "ESP8266Interface.h"
DuyLionTran 0:c9094fbda0bd 19 #include "mbed_debug.h"
DuyLionTran 0:c9094fbda0bd 20
DuyLionTran 0:c9094fbda0bd 21 // Various timeouts for different ESP8266 operations
DuyLionTran 0:c9094fbda0bd 22 #ifndef ESP8266_CONNECT_TIMEOUT
DuyLionTran 0:c9094fbda0bd 23 #define ESP8266_CONNECT_TIMEOUT 15000
DuyLionTran 0:c9094fbda0bd 24 #endif
DuyLionTran 0:c9094fbda0bd 25 #ifndef ESP8266_SEND_TIMEOUT
DuyLionTran 0:c9094fbda0bd 26 #define ESP8266_SEND_TIMEOUT 500
DuyLionTran 0:c9094fbda0bd 27 #endif
DuyLionTran 0:c9094fbda0bd 28 #ifndef ESP8266_RECV_TIMEOUT
DuyLionTran 0:c9094fbda0bd 29 #define ESP8266_RECV_TIMEOUT 500
DuyLionTran 0:c9094fbda0bd 30 #endif
DuyLionTran 0:c9094fbda0bd 31 #ifndef ESP8266_MISC_TIMEOUT
DuyLionTran 0:c9094fbda0bd 32 #define ESP8266_MISC_TIMEOUT 500
DuyLionTran 0:c9094fbda0bd 33 #endif
DuyLionTran 0:c9094fbda0bd 34
DuyLionTran 0:c9094fbda0bd 35 // Firmware version
DuyLionTran 0:c9094fbda0bd 36 #define ESP8266_VERSION 2
DuyLionTran 0:c9094fbda0bd 37
DuyLionTran 0:c9094fbda0bd 38 // ESP8266Interface implementation
DuyLionTran 0:c9094fbda0bd 39 ESP8266Interface::ESP8266Interface(PinName tx, PinName rx, bool debug)
DuyLionTran 0:c9094fbda0bd 40 : _esp(tx, rx, debug)
DuyLionTran 0:c9094fbda0bd 41 {
DuyLionTran 0:c9094fbda0bd 42 memset(_ids, 0, sizeof(_ids));
DuyLionTran 0:c9094fbda0bd 43 memset(_cbs, 0, sizeof(_cbs));
DuyLionTran 0:c9094fbda0bd 44
DuyLionTran 0:c9094fbda0bd 45 _esp.attach(this, &ESP8266Interface::event);
DuyLionTran 0:c9094fbda0bd 46 }
DuyLionTran 0:c9094fbda0bd 47
DuyLionTran 0:c9094fbda0bd 48 int ESP8266Interface::connect(const char *ssid, const char *pass, nsapi_security_t security,
DuyLionTran 0:c9094fbda0bd 49 uint8_t channel)
DuyLionTran 0:c9094fbda0bd 50 {
DuyLionTran 0:c9094fbda0bd 51 if (channel != 0) {
DuyLionTran 0:c9094fbda0bd 52 return NSAPI_ERROR_UNSUPPORTED;
DuyLionTran 0:c9094fbda0bd 53 }
DuyLionTran 0:c9094fbda0bd 54
DuyLionTran 0:c9094fbda0bd 55 set_credentials(ssid, pass, security);
DuyLionTran 0:c9094fbda0bd 56 return connect();
DuyLionTran 0:c9094fbda0bd 57 }
DuyLionTran 0:c9094fbda0bd 58
DuyLionTran 0:c9094fbda0bd 59 int ESP8266Interface::connect()
DuyLionTran 0:c9094fbda0bd 60 {
DuyLionTran 0:c9094fbda0bd 61 _esp.setTimeout(ESP8266_CONNECT_TIMEOUT);
DuyLionTran 0:c9094fbda0bd 62
DuyLionTran 0:c9094fbda0bd 63 if (!_esp.reset()) {
DuyLionTran 0:c9094fbda0bd 64 return NSAPI_ERROR_DEVICE_ERROR;
DuyLionTran 0:c9094fbda0bd 65 }
DuyLionTran 0:c9094fbda0bd 66
DuyLionTran 0:c9094fbda0bd 67 _esp.setTimeout(ESP8266_MISC_TIMEOUT);
DuyLionTran 0:c9094fbda0bd 68
DuyLionTran 0:c9094fbda0bd 69 if (_esp.get_firmware_version() != ESP8266_VERSION) {
DuyLionTran 0:c9094fbda0bd 70 debug("ESP8266: ERROR: Firmware incompatible with this driver.\
DuyLionTran 0:c9094fbda0bd 71 \r\nUpdate to v%d - https://developer.mbed.org/teams/ESP8266/wiki/Firmware-Update\r\n",ESP8266_VERSION);
DuyLionTran 0:c9094fbda0bd 72 return NSAPI_ERROR_DEVICE_ERROR;
DuyLionTran 0:c9094fbda0bd 73 }
DuyLionTran 0:c9094fbda0bd 74
DuyLionTran 0:c9094fbda0bd 75 _esp.setTimeout(ESP8266_CONNECT_TIMEOUT);
DuyLionTran 0:c9094fbda0bd 76
DuyLionTran 0:c9094fbda0bd 77 if (!_esp.startup(3)) {
DuyLionTran 0:c9094fbda0bd 78 return NSAPI_ERROR_DEVICE_ERROR;
DuyLionTran 0:c9094fbda0bd 79 }
DuyLionTran 0:c9094fbda0bd 80
DuyLionTran 0:c9094fbda0bd 81 if (!_esp.dhcp(true, 1)) {
DuyLionTran 0:c9094fbda0bd 82 return NSAPI_ERROR_DHCP_FAILURE;
DuyLionTran 0:c9094fbda0bd 83 }
DuyLionTran 0:c9094fbda0bd 84
DuyLionTran 0:c9094fbda0bd 85 if (!_esp.connect(ap_ssid, ap_pass)) {
DuyLionTran 0:c9094fbda0bd 86 return NSAPI_ERROR_NO_CONNECTION;
DuyLionTran 0:c9094fbda0bd 87 }
DuyLionTran 0:c9094fbda0bd 88
DuyLionTran 0:c9094fbda0bd 89 if (!_esp.getIPAddress()) {
DuyLionTran 0:c9094fbda0bd 90 return NSAPI_ERROR_DHCP_FAILURE;
DuyLionTran 0:c9094fbda0bd 91 }
DuyLionTran 0:c9094fbda0bd 92
DuyLionTran 0:c9094fbda0bd 93 return NSAPI_ERROR_OK;
DuyLionTran 0:c9094fbda0bd 94 }
DuyLionTran 0:c9094fbda0bd 95
DuyLionTran 0:c9094fbda0bd 96 int ESP8266Interface::set_credentials(const char *ssid, const char *pass, nsapi_security_t security)
DuyLionTran 0:c9094fbda0bd 97 {
DuyLionTran 0:c9094fbda0bd 98 memset(ap_ssid, 0, sizeof(ap_ssid));
DuyLionTran 0:c9094fbda0bd 99 strncpy(ap_ssid, ssid, sizeof(ap_ssid));
DuyLionTran 0:c9094fbda0bd 100
DuyLionTran 0:c9094fbda0bd 101 memset(ap_pass, 0, sizeof(ap_pass));
DuyLionTran 0:c9094fbda0bd 102 strncpy(ap_pass, pass, sizeof(ap_pass));
DuyLionTran 0:c9094fbda0bd 103
DuyLionTran 0:c9094fbda0bd 104 ap_sec = security;
DuyLionTran 0:c9094fbda0bd 105
DuyLionTran 0:c9094fbda0bd 106 return 0;
DuyLionTran 0:c9094fbda0bd 107 }
DuyLionTran 0:c9094fbda0bd 108
DuyLionTran 0:c9094fbda0bd 109 int ESP8266Interface::set_channel(uint8_t channel)
DuyLionTran 0:c9094fbda0bd 110 {
DuyLionTran 0:c9094fbda0bd 111 return NSAPI_ERROR_UNSUPPORTED;
DuyLionTran 0:c9094fbda0bd 112 }
DuyLionTran 0:c9094fbda0bd 113
DuyLionTran 0:c9094fbda0bd 114
DuyLionTran 0:c9094fbda0bd 115 int ESP8266Interface::disconnect()
DuyLionTran 0:c9094fbda0bd 116 {
DuyLionTran 0:c9094fbda0bd 117 _esp.setTimeout(ESP8266_MISC_TIMEOUT);
DuyLionTran 0:c9094fbda0bd 118
DuyLionTran 0:c9094fbda0bd 119 if (!_esp.disconnect()) {
DuyLionTran 0:c9094fbda0bd 120 return NSAPI_ERROR_DEVICE_ERROR;
DuyLionTran 0:c9094fbda0bd 121 }
DuyLionTran 0:c9094fbda0bd 122
DuyLionTran 0:c9094fbda0bd 123 return NSAPI_ERROR_OK;
DuyLionTran 0:c9094fbda0bd 124 }
DuyLionTran 0:c9094fbda0bd 125
DuyLionTran 0:c9094fbda0bd 126 const char *ESP8266Interface::get_ip_address()
DuyLionTran 0:c9094fbda0bd 127 {
DuyLionTran 0:c9094fbda0bd 128 return _esp.getIPAddress();
DuyLionTran 0:c9094fbda0bd 129 }
DuyLionTran 0:c9094fbda0bd 130
DuyLionTran 0:c9094fbda0bd 131 const char *ESP8266Interface::get_mac_address()
DuyLionTran 0:c9094fbda0bd 132 {
DuyLionTran 0:c9094fbda0bd 133 return _esp.getMACAddress();
DuyLionTran 0:c9094fbda0bd 134 }
DuyLionTran 0:c9094fbda0bd 135
DuyLionTran 0:c9094fbda0bd 136 const char *ESP8266Interface::get_gateway()
DuyLionTran 0:c9094fbda0bd 137 {
DuyLionTran 0:c9094fbda0bd 138 return _esp.getGateway();
DuyLionTran 0:c9094fbda0bd 139 }
DuyLionTran 0:c9094fbda0bd 140
DuyLionTran 0:c9094fbda0bd 141 const char *ESP8266Interface::get_netmask()
DuyLionTran 0:c9094fbda0bd 142 {
DuyLionTran 0:c9094fbda0bd 143 return _esp.getNetmask();
DuyLionTran 0:c9094fbda0bd 144 }
DuyLionTran 0:c9094fbda0bd 145
DuyLionTran 0:c9094fbda0bd 146 int8_t ESP8266Interface::get_rssi()
DuyLionTran 0:c9094fbda0bd 147 {
DuyLionTran 0:c9094fbda0bd 148 return _esp.getRSSI();
DuyLionTran 0:c9094fbda0bd 149 }
DuyLionTran 0:c9094fbda0bd 150
DuyLionTran 0:c9094fbda0bd 151 int ESP8266Interface::scan(WiFiAccessPoint *res, unsigned count)
DuyLionTran 0:c9094fbda0bd 152 {
DuyLionTran 0:c9094fbda0bd 153 return _esp.scan(res, count);
DuyLionTran 0:c9094fbda0bd 154 }
DuyLionTran 0:c9094fbda0bd 155
DuyLionTran 0:c9094fbda0bd 156 struct esp8266_socket {
DuyLionTran 0:c9094fbda0bd 157 int id;
DuyLionTran 0:c9094fbda0bd 158 nsapi_protocol_t proto;
DuyLionTran 0:c9094fbda0bd 159 bool connected;
DuyLionTran 0:c9094fbda0bd 160 SocketAddress addr;
DuyLionTran 0:c9094fbda0bd 161 };
DuyLionTran 0:c9094fbda0bd 162
DuyLionTran 0:c9094fbda0bd 163 int ESP8266Interface::socket_open(void **handle, nsapi_protocol_t proto)
DuyLionTran 0:c9094fbda0bd 164 {
DuyLionTran 0:c9094fbda0bd 165 // Look for an unused socket
DuyLionTran 0:c9094fbda0bd 166 int id = -1;
DuyLionTran 0:c9094fbda0bd 167
DuyLionTran 0:c9094fbda0bd 168 for (int i = 0; i < ESP8266_SOCKET_COUNT; i++) {
DuyLionTran 0:c9094fbda0bd 169 if (!_ids[i]) {
DuyLionTran 0:c9094fbda0bd 170 id = i;
DuyLionTran 0:c9094fbda0bd 171 _ids[i] = true;
DuyLionTran 0:c9094fbda0bd 172 break;
DuyLionTran 0:c9094fbda0bd 173 }
DuyLionTran 0:c9094fbda0bd 174 }
DuyLionTran 0:c9094fbda0bd 175
DuyLionTran 0:c9094fbda0bd 176 if (id == -1) {
DuyLionTran 0:c9094fbda0bd 177 return NSAPI_ERROR_NO_SOCKET;
DuyLionTran 0:c9094fbda0bd 178 }
DuyLionTran 0:c9094fbda0bd 179
DuyLionTran 0:c9094fbda0bd 180 struct esp8266_socket *socket = new struct esp8266_socket;
DuyLionTran 0:c9094fbda0bd 181 if (!socket) {
DuyLionTran 0:c9094fbda0bd 182 return NSAPI_ERROR_NO_SOCKET;
DuyLionTran 0:c9094fbda0bd 183 }
DuyLionTran 0:c9094fbda0bd 184
DuyLionTran 0:c9094fbda0bd 185 socket->id = id;
DuyLionTran 0:c9094fbda0bd 186 socket->proto = proto;
DuyLionTran 0:c9094fbda0bd 187 socket->connected = false;
DuyLionTran 0:c9094fbda0bd 188 *handle = socket;
DuyLionTran 0:c9094fbda0bd 189 return 0;
DuyLionTran 0:c9094fbda0bd 190 }
DuyLionTran 0:c9094fbda0bd 191
DuyLionTran 0:c9094fbda0bd 192 int ESP8266Interface::socket_close(void *handle)
DuyLionTran 0:c9094fbda0bd 193 {
DuyLionTran 0:c9094fbda0bd 194 struct esp8266_socket *socket = (struct esp8266_socket *)handle;
DuyLionTran 0:c9094fbda0bd 195 int err = 0;
DuyLionTran 0:c9094fbda0bd 196 _esp.setTimeout(ESP8266_MISC_TIMEOUT);
DuyLionTran 0:c9094fbda0bd 197
DuyLionTran 0:c9094fbda0bd 198 if (socket->connected && !_esp.close(socket->id)) {
DuyLionTran 0:c9094fbda0bd 199 err = NSAPI_ERROR_DEVICE_ERROR;
DuyLionTran 0:c9094fbda0bd 200 }
DuyLionTran 0:c9094fbda0bd 201
DuyLionTran 0:c9094fbda0bd 202 socket->connected = false;
DuyLionTran 0:c9094fbda0bd 203 _ids[socket->id] = false;
DuyLionTran 0:c9094fbda0bd 204 delete socket;
DuyLionTran 0:c9094fbda0bd 205 return err;
DuyLionTran 0:c9094fbda0bd 206 }
DuyLionTran 0:c9094fbda0bd 207
DuyLionTran 0:c9094fbda0bd 208 int ESP8266Interface::socket_bind(void *handle, const SocketAddress &address)
DuyLionTran 0:c9094fbda0bd 209 {
DuyLionTran 0:c9094fbda0bd 210 return NSAPI_ERROR_UNSUPPORTED;
DuyLionTran 0:c9094fbda0bd 211 }
DuyLionTran 0:c9094fbda0bd 212
DuyLionTran 0:c9094fbda0bd 213 int ESP8266Interface::socket_listen(void *handle, int backlog)
DuyLionTran 0:c9094fbda0bd 214 {
DuyLionTran 0:c9094fbda0bd 215 return NSAPI_ERROR_UNSUPPORTED;
DuyLionTran 0:c9094fbda0bd 216 }
DuyLionTran 0:c9094fbda0bd 217
DuyLionTran 0:c9094fbda0bd 218 int ESP8266Interface::socket_connect(void *handle, const SocketAddress &addr)
DuyLionTran 0:c9094fbda0bd 219 {
DuyLionTran 0:c9094fbda0bd 220 struct esp8266_socket *socket = (struct esp8266_socket *)handle;
DuyLionTran 0:c9094fbda0bd 221 _esp.setTimeout(ESP8266_MISC_TIMEOUT);
DuyLionTran 0:c9094fbda0bd 222
DuyLionTran 0:c9094fbda0bd 223 const char *proto = (socket->proto == NSAPI_UDP) ? "UDP" : "TCP";
DuyLionTran 0:c9094fbda0bd 224 if (!_esp.open(proto, socket->id, addr.get_ip_address(), addr.get_port())) {
DuyLionTran 0:c9094fbda0bd 225 return NSAPI_ERROR_DEVICE_ERROR;
DuyLionTran 0:c9094fbda0bd 226 }
DuyLionTran 0:c9094fbda0bd 227
DuyLionTran 0:c9094fbda0bd 228 socket->connected = true;
DuyLionTran 0:c9094fbda0bd 229 return 0;
DuyLionTran 0:c9094fbda0bd 230 }
DuyLionTran 0:c9094fbda0bd 231
DuyLionTran 0:c9094fbda0bd 232 int ESP8266Interface::socket_accept(void *server, void **socket, SocketAddress *addr)
DuyLionTran 0:c9094fbda0bd 233 {
DuyLionTran 0:c9094fbda0bd 234 return NSAPI_ERROR_UNSUPPORTED;
DuyLionTran 0:c9094fbda0bd 235 }
DuyLionTran 0:c9094fbda0bd 236
DuyLionTran 0:c9094fbda0bd 237 int ESP8266Interface::socket_send(void *handle, const void *data, unsigned size)
DuyLionTran 0:c9094fbda0bd 238 {
DuyLionTran 0:c9094fbda0bd 239 struct esp8266_socket *socket = (struct esp8266_socket *)handle;
DuyLionTran 0:c9094fbda0bd 240 _esp.setTimeout(ESP8266_SEND_TIMEOUT);
DuyLionTran 0:c9094fbda0bd 241
DuyLionTran 0:c9094fbda0bd 242 if (!_esp.send(socket->id, data, size)) {
DuyLionTran 0:c9094fbda0bd 243 return NSAPI_ERROR_DEVICE_ERROR;
DuyLionTran 0:c9094fbda0bd 244 }
DuyLionTran 0:c9094fbda0bd 245
DuyLionTran 0:c9094fbda0bd 246 return size;
DuyLionTran 0:c9094fbda0bd 247 }
DuyLionTran 0:c9094fbda0bd 248
DuyLionTran 0:c9094fbda0bd 249 int ESP8266Interface::socket_recv(void *handle, void *data, unsigned size)
DuyLionTran 0:c9094fbda0bd 250 {
DuyLionTran 0:c9094fbda0bd 251 struct esp8266_socket *socket = (struct esp8266_socket *)handle;
DuyLionTran 0:c9094fbda0bd 252 _esp.setTimeout(ESP8266_RECV_TIMEOUT);
DuyLionTran 0:c9094fbda0bd 253
DuyLionTran 0:c9094fbda0bd 254 int32_t recv = _esp.recv(socket->id, data, size);
DuyLionTran 0:c9094fbda0bd 255 if (recv < 0) {
DuyLionTran 0:c9094fbda0bd 256 return NSAPI_ERROR_WOULD_BLOCK;
DuyLionTran 0:c9094fbda0bd 257 }
DuyLionTran 0:c9094fbda0bd 258
DuyLionTran 0:c9094fbda0bd 259 return recv;
DuyLionTran 0:c9094fbda0bd 260 }
DuyLionTran 0:c9094fbda0bd 261
DuyLionTran 0:c9094fbda0bd 262 int ESP8266Interface::socket_sendto(void *handle, const SocketAddress &addr, const void *data, unsigned size)
DuyLionTran 0:c9094fbda0bd 263 {
DuyLionTran 0:c9094fbda0bd 264 struct esp8266_socket *socket = (struct esp8266_socket *)handle;
DuyLionTran 0:c9094fbda0bd 265
DuyLionTran 0:c9094fbda0bd 266 if (socket->connected && socket->addr != addr) {
DuyLionTran 0:c9094fbda0bd 267 _esp.setTimeout(ESP8266_MISC_TIMEOUT);
DuyLionTran 0:c9094fbda0bd 268 if (!_esp.close(socket->id)) {
DuyLionTran 0:c9094fbda0bd 269 return NSAPI_ERROR_DEVICE_ERROR;
DuyLionTran 0:c9094fbda0bd 270 }
DuyLionTran 0:c9094fbda0bd 271 socket->connected = false;
DuyLionTran 0:c9094fbda0bd 272 }
DuyLionTran 0:c9094fbda0bd 273
DuyLionTran 0:c9094fbda0bd 274 if (!socket->connected) {
DuyLionTran 0:c9094fbda0bd 275 int err = socket_connect(socket, addr);
DuyLionTran 0:c9094fbda0bd 276 if (err < 0) {
DuyLionTran 0:c9094fbda0bd 277 return err;
DuyLionTran 0:c9094fbda0bd 278 }
DuyLionTran 0:c9094fbda0bd 279 socket->addr = addr;
DuyLionTran 0:c9094fbda0bd 280 }
DuyLionTran 0:c9094fbda0bd 281
DuyLionTran 0:c9094fbda0bd 282 return socket_send(socket, data, size);
DuyLionTran 0:c9094fbda0bd 283 }
DuyLionTran 0:c9094fbda0bd 284
DuyLionTran 0:c9094fbda0bd 285 int ESP8266Interface::socket_recvfrom(void *handle, SocketAddress *addr, void *data, unsigned size)
DuyLionTran 0:c9094fbda0bd 286 {
DuyLionTran 0:c9094fbda0bd 287 struct esp8266_socket *socket = (struct esp8266_socket *)handle;
DuyLionTran 0:c9094fbda0bd 288 int ret = socket_recv(socket, data, size);
DuyLionTran 0:c9094fbda0bd 289 if (ret >= 0 && addr) {
DuyLionTran 0:c9094fbda0bd 290 *addr = socket->addr;
DuyLionTran 0:c9094fbda0bd 291 }
DuyLionTran 0:c9094fbda0bd 292
DuyLionTran 0:c9094fbda0bd 293 return ret;
DuyLionTran 0:c9094fbda0bd 294 }
DuyLionTran 0:c9094fbda0bd 295
DuyLionTran 0:c9094fbda0bd 296 void ESP8266Interface::socket_attach(void *handle, void (*callback)(void *), void *data)
DuyLionTran 0:c9094fbda0bd 297 {
DuyLionTran 0:c9094fbda0bd 298 struct esp8266_socket *socket = (struct esp8266_socket *)handle;
DuyLionTran 0:c9094fbda0bd 299 _cbs[socket->id].callback = callback;
DuyLionTran 0:c9094fbda0bd 300 _cbs[socket->id].data = data;
DuyLionTran 0:c9094fbda0bd 301 }
DuyLionTran 0:c9094fbda0bd 302
DuyLionTran 0:c9094fbda0bd 303 void ESP8266Interface::event() {
DuyLionTran 0:c9094fbda0bd 304 for (int i = 0; i < ESP8266_SOCKET_COUNT; i++) {
DuyLionTran 0:c9094fbda0bd 305 if (_cbs[i].callback) {
DuyLionTran 0:c9094fbda0bd 306 _cbs[i].callback(_cbs[i].data);
DuyLionTran 0:c9094fbda0bd 307 }
DuyLionTran 0:c9094fbda0bd 308 }
DuyLionTran 0:c9094fbda0bd 309 }