Takehisa Oneta / ESP8266Interface

modified by ohneta

Dependencies:   ESP8266

Dependents:   HelloESP8266Interface_mine

Fork of ESP8266Interface by NetworkSocketAPI

ESP8266Interface.cpp@27:eaeecaaae611, 2015-08-05 (annotated)

Committer:
sarahmarshy
Date:
Wed Aug 05 21:58:22 2015 +0000
Revision:
27:eaeecaaae611
Parent:
26:6e36dd3cec3f
Child:
28:6426873b21bd
DNS support revised. Timeouts set properly.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
sarahmarshy 18:9fc7976c7b27 1 /* ESP8266Interface Example
sam_grove 11:288c15b80a26 2 * Copyright (c) 2015 ARM Limited
sam_grove 11:288c15b80a26 3 *
sam_grove 11:288c15b80a26 4 * Licensed under the Apache License, Version 2.0 (the "License");
sam_grove 11:288c15b80a26 5 * you may not use this file except in compliance with the License.
sam_grove 11:288c15b80a26 6 * You may obtain a copy of the License at
sam_grove 11:288c15b80a26 7 *
sam_grove 11:288c15b80a26 8 * http://www.apache.org/licenses/LICENSE-2.0
sam_grove 11:288c15b80a26 9 *
sam_grove 11:288c15b80a26 10 * Unless required by applicable law or agreed to in writing, software
sam_grove 11:288c15b80a26 11 * distributed under the License is distributed on an "AS IS" BASIS,
sam_grove 11:288c15b80a26 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
sam_grove 11:288c15b80a26 13 * See the License for the specific language governing permissions and
sam_grove 11:288c15b80a26 14 * limitations under the License.
sam_grove 11:288c15b80a26 15 */
sam_grove 24:37504440f296 16
sarahmarshy 18:9fc7976c7b27 17 #include "ESP8266Interface.h"
sam_grove 11:288c15b80a26 18
sam_grove 24:37504440f296 19 ESP8266Interface::ESP8266Interface(PinName tx, PinName rx) : esp8266(tx, rx)
sam_grove 11:288c15b80a26 20 {
sarahmarshy 22:312453862371 21 uuidCounter = 0;
sam_grove 24:37504440f296 22 std::fill_n(availableID, sizeof(availableID)/sizeof(int), -1);
sam_grove 11:288c15b80a26 23 }
sam_grove 11:288c15b80a26 24
sam_grove 24:37504440f296 25 int32_t ESP8266Interface::init(void)
sam_grove 24:37504440f296 26 {
sam_grove 24:37504440f296 27 if (!esp8266.startup()) {
sarahmarshy 18:9fc7976c7b27 28 return -1;
sam_grove 24:37504440f296 29 }
sam_grove 24:37504440f296 30 if (!esp8266.reset()) {
sarahmarshy 18:9fc7976c7b27 31 return -1;
sam_grove 24:37504440f296 32 }
sam_grove 24:37504440f296 33 if (!esp8266.wifiMode(3)) {
sarahmarshy 18:9fc7976c7b27 34 return -1;
sam_grove 24:37504440f296 35 }
sam_grove 24:37504440f296 36 if (!esp8266.multipleConnections(true)) {
sarahmarshy 18:9fc7976c7b27 37 return -1;
sam_grove 24:37504440f296 38 }
sarahmarshy 18:9fc7976c7b27 39 return 0;
sam_grove 11:288c15b80a26 40 }
sam_grove 11:288c15b80a26 41
sam_grove 24:37504440f296 42 int32_t ESP8266Interface::init(const char *ip, const char *mask, const char *gateway)
sam_grove 11:288c15b80a26 43 {
sarahmarshy 23:fd0f3197c30b 44 return -1;
sam_grove 11:288c15b80a26 45 }
sam_grove 11:288c15b80a26 46
sam_grove 24:37504440f296 47 int32_t ESP8266Interface::connect(uint32_t timeout_ms)
sam_grove 11:288c15b80a26 48 {
sam_grove 11:288c15b80a26 49 return -1;
sam_grove 11:288c15b80a26 50 }
sam_grove 11:288c15b80a26 51
sarahmarshy 18:9fc7976c7b27 52 int32_t ESP8266Interface::connect(const char *ap, const char *pass_phrase, wifi_security_t security, uint32_t timeout_ms)
sam_grove 11:288c15b80a26 53 {
sarahmarshy 23:fd0f3197c30b 54 esp8266.setTimeout(timeout_ms);
sam_grove 24:37504440f296 55 if (!esp8266.dhcp(1, true)) {
sarahmarshy 18:9fc7976c7b27 56 return -1;
sarahmarshy 18:9fc7976c7b27 57 }
sam_grove 24:37504440f296 58 if (!esp8266.connect(ap, pass_phrase)) {
sam_grove 24:37504440f296 59 return -1;
sam_grove 24:37504440f296 60 }
sam_grove 24:37504440f296 61 return 0;
sam_grove 11:288c15b80a26 62 }
sam_grove 11:288c15b80a26 63
sarahmarshy 22:312453862371 64 int32_t ESP8266Interface::disconnect(void)
sam_grove 11:288c15b80a26 65 {
sam_grove 24:37504440f296 66 if (!esp8266.disconnect()) {
sarahmarshy 22:312453862371 67 return -1;
sam_grove 24:37504440f296 68 }
sam_grove 24:37504440f296 69 for(int i=0; i<numSockets; i++) {
sarahmarshy 22:312453862371 70 SocketInterface *socket = sockets[availableID[i]];
sarahmarshy 22:312453862371 71 deallocateSocket(socket);
sarahmarshy 22:312453862371 72 }
sarahmarshy 22:312453862371 73 return 0;
sam_grove 11:288c15b80a26 74 }
sam_grove 11:288c15b80a26 75
sarahmarshy 18:9fc7976c7b27 76 char *ESP8266Interface::getIPAddress(void)
sarahmarshy 18:9fc7976c7b27 77 {
sam_grove 24:37504440f296 78 if(!esp8266.getIPAddress(ip)) {
sarahmarshy 18:9fc7976c7b27 79 return NULL;
sam_grove 24:37504440f296 80 }
sarahmarshy 18:9fc7976c7b27 81 return ip;
sarahmarshy 18:9fc7976c7b27 82 }
sarahmarshy 18:9fc7976c7b27 83
sarahmarshy 18:9fc7976c7b27 84 char *ESP8266Interface::getGateway(void) const
sam_grove 11:288c15b80a26 85 {
sam_grove 11:288c15b80a26 86 return 0;
sam_grove 11:288c15b80a26 87 }
sam_grove 11:288c15b80a26 88
sarahmarshy 18:9fc7976c7b27 89 char *ESP8266Interface::getNetworkMask(void) const
sam_grove 11:288c15b80a26 90 {
sam_grove 11:288c15b80a26 91 return 0;
sam_grove 11:288c15b80a26 92 }
sam_grove 11:288c15b80a26 93
sarahmarshy 18:9fc7976c7b27 94 char *ESP8266Interface::getMACAddress(void) const
sam_grove 11:288c15b80a26 95 {
sam_grove 11:288c15b80a26 96 return 0;
sam_grove 11:288c15b80a26 97 }
sam_grove 11:288c15b80a26 98
sam_grove 24:37504440f296 99 int32_t ESP8266Interface::isConnected(void)
sam_grove 11:288c15b80a26 100 {
sam_grove 24:37504440f296 101 return (getIPAddress() == NULL) ? -1 : 0;
sam_grove 11:288c15b80a26 102 }
sam_grove 11:288c15b80a26 103
sam_grove 24:37504440f296 104 SocketInterface *ESP8266Interface::allocateSocket(socket_protocol_t socketProtocol)
sam_grove 24:37504440f296 105 {
sarahmarshy 18:9fc7976c7b27 106 int id = -1;
sarahmarshy 18:9fc7976c7b27 107 //Look through the array of available sockets for an unused ID
sam_grove 24:37504440f296 108 for(int i=0; i<numSockets; i++) {
sam_grove 24:37504440f296 109 if (availableID[i] == -1) {
sam_grove 24:37504440f296 110 id = i;
sarahmarshy 18:9fc7976c7b27 111 availableID[i] = uuidCounter;
sarahmarshy 18:9fc7976c7b27 112 break;
sarahmarshy 18:9fc7976c7b27 113 }
sarahmarshy 18:9fc7976c7b27 114 }
sam_grove 24:37504440f296 115 if (id == -1) {
sam_grove 24:37504440f296 116 return NULL;//tried to allocate more than the maximum 5 sockets
sarahmarshy 18:9fc7976c7b27 117 }
sam_grove 24:37504440f296 118 ESP8266Socket *socket = new ESP8266Socket(uuidCounter++, esp8266, socketProtocol, (uint8_t)id);
sarahmarshy 22:312453862371 119 sockets[socket->getHandle()] = socket;
sarahmarshy 18:9fc7976c7b27 120 return socket;
sam_grove 11:288c15b80a26 121 }
sam_grove 13:0186e9e35a24 122
sam_grove 24:37504440f296 123 int ESP8266Interface::deallocateSocket(SocketInterface *socket)
bridadan 16:b2f781416464 124 {
sarahmarshy 18:9fc7976c7b27 125 int id = (int)static_cast<ESP8266Socket*>(socket)->getID();
sarahmarshy 18:9fc7976c7b27 126 availableID[id] = -1;
sam_grove 24:37504440f296 127
sarahmarshy 22:312453862371 128 std::map<uint32_t, SocketInterface*>::iterator it;
sam_grove 24:37504440f296 129
sarahmarshy 22:312453862371 130 // Check if socket is owned by WiFiRadioInterface
sarahmarshy 22:312453862371 131 it = sockets.find(socket->getHandle());
sam_grove 24:37504440f296 132
sarahmarshy 22:312453862371 133 if (it != sockets.end()) {
sarahmarshy 22:312453862371 134 // If so, erase it from the internal socket map and deallocate the socket
sarahmarshy 22:312453862371 135 sockets.erase(it);
sarahmarshy 22:312453862371 136 delete socket;
sarahmarshy 22:312453862371 137 } else {
sarahmarshy 22:312453862371 138 // Socket is not owned by WiFiRadioInterface, so return -1 error
sarahmarshy 22:312453862371 139 return -1;
sarahmarshy 22:312453862371 140 }
sam_grove 24:37504440f296 141 return 0;
bridadan 16:b2f781416464 142 }
sarahmarshy 25:91c4e9d34b77 143 void ESP8266Interface::getHostByName(const char *name, char* hostIP)
sarahmarshy 25:91c4e9d34b77 144 {
sarahmarshy 25:91c4e9d34b77 145 SocketInterface* sock = this->allocateSocket(SOCK_UDP);
sarahmarshy 27:eaeecaaae611 146
sarahmarshy 25:91c4e9d34b77 147 DnsQuery dns(sock);
sarahmarshy 27:eaeecaaae611 148 printf("DNS look up starting\n");
sarahmarshy 27:eaeecaaae611 149 dns.gethostbyname(name, hostIP);
sarahmarshy 25:91c4e9d34b77 150 this->deallocateSocket(sock);
sarahmarshy 25:91c4e9d34b77 151 }
bridadan 16:b2f781416464 152
sam_grove 24:37504440f296 153 ESP8266Socket::ESP8266Socket(uint32_t handle, ESP8266 &driver, socket_protocol_t type, uint8_t id)
sarahmarshy 18:9fc7976c7b27 154 {
sarahmarshy 22:312453862371 155 _handle = handle;
sam_grove 24:37504440f296 156 _driver = &driver;
sam_grove 24:37504440f296 157 _type = type;
sam_grove 24:37504440f296 158 _id = id;
sarahmarshy 18:9fc7976c7b27 159 }
sarahmarshy 18:9fc7976c7b27 160
sarahmarshy 18:9fc7976c7b27 161 const char *ESP8266Socket::getHostByName(const char *name) const
sam_grove 13:0186e9e35a24 162 {
sam_grove 13:0186e9e35a24 163 return 0;
sam_grove 13:0186e9e35a24 164 }
sam_grove 13:0186e9e35a24 165
sarahmarshy 18:9fc7976c7b27 166 void ESP8266Socket::setAddress(const char* addr)
bridadan 16:b2f781416464 167 {
sam_grove 24:37504440f296 168 _addr = addr;
sarahmarshy 18:9fc7976c7b27 169 }
sarahmarshy 18:9fc7976c7b27 170
sam_grove 24:37504440f296 171 void ESP8266Socket::setPort(uint16_t port)
sarahmarshy 18:9fc7976c7b27 172 {
sam_grove 24:37504440f296 173 _port = port;
bridadan 16:b2f781416464 174 }
bridadan 16:b2f781416464 175
sarahmarshy 18:9fc7976c7b27 176 void ESP8266Socket::setAddressPort(const char* addr, uint16_t port)
bridadan 16:b2f781416464 177 {
sam_grove 24:37504440f296 178 _addr = addr;
sarahmarshy 18:9fc7976c7b27 179 _port = port;
bridadan 16:b2f781416464 180 }
bridadan 16:b2f781416464 181
sarahmarshy 18:9fc7976c7b27 182 const char *ESP8266Socket::getAddress(void) const
sarahmarshy 18:9fc7976c7b27 183 {
sam_grove 24:37504440f296 184 return _addr;
sarahmarshy 18:9fc7976c7b27 185 }
sarahmarshy 18:9fc7976c7b27 186
sarahmarshy 18:9fc7976c7b27 187 uint16_t ESP8266Socket::getPort(void) const
sarahmarshy 18:9fc7976c7b27 188 {
sarahmarshy 18:9fc7976c7b27 189 return _port;
sarahmarshy 18:9fc7976c7b27 190 }
sarahmarshy 18:9fc7976c7b27 191
sarahmarshy 18:9fc7976c7b27 192
sarahmarshy 18:9fc7976c7b27 193 int32_t ESP8266Socket::bind(uint16_t port) const
sam_grove 13:0186e9e35a24 194 {
sam_grove 13:0186e9e35a24 195 return -1;
sam_grove 13:0186e9e35a24 196 }
sam_grove 13:0186e9e35a24 197
sarahmarshy 18:9fc7976c7b27 198 int32_t ESP8266Socket::listen(void) const
sam_grove 13:0186e9e35a24 199 {
sam_grove 13:0186e9e35a24 200 return -1;
sam_grove 13:0186e9e35a24 201 }
sam_grove 13:0186e9e35a24 202
sarahmarshy 18:9fc7976c7b27 203 int32_t ESP8266Socket::accept() const
sam_grove 13:0186e9e35a24 204 {
sam_grove 13:0186e9e35a24 205 return -1;
sam_grove 13:0186e9e35a24 206 }
sam_grove 13:0186e9e35a24 207
sam_grove 24:37504440f296 208 int32_t ESP8266Socket::open()
sam_grove 13:0186e9e35a24 209 {
sarahmarshy 26:6e36dd3cec3f 210
sam_grove 24:37504440f296 211 string sock_type = (SOCK_UDP == _type) ? "UDP" : "TCP";
sam_grove 24:37504440f296 212 if (!_driver->openSocket(sock_type, _id, _port, _addr)) {
sam_grove 24:37504440f296 213 return -1;
sarahmarshy 18:9fc7976c7b27 214 }
sam_grove 13:0186e9e35a24 215 return 0;
sam_grove 24:37504440f296 216
sam_grove 13:0186e9e35a24 217 }
sam_grove 13:0186e9e35a24 218
sam_grove 24:37504440f296 219 int32_t ESP8266Socket::send(const void *data, uint32_t amount, uint32_t timeout_ms)
bridadan 16:b2f781416464 220 {
sam_grove 24:37504440f296 221 _driver->setTimeout((int)timeout_ms);
sam_grove 24:37504440f296 222 if(!_driver->sendData(_id, data, amount)) {
sarahmarshy 18:9fc7976c7b27 223 return -1;
sarahmarshy 18:9fc7976c7b27 224 }
bridadan 16:b2f781416464 225 return 0;
bridadan 16:b2f781416464 226 }
bridadan 16:b2f781416464 227
sarahmarshy 18:9fc7976c7b27 228 uint32_t ESP8266Socket::recv(void *data, uint32_t amount, uint32_t timeout_ms)
sam_grove 13:0186e9e35a24 229 {
sarahmarshy 27:eaeecaaae611 230 _driver->setTimeout((int)timeout_ms);
sam_grove 24:37504440f296 231 return _driver->recv(data, amount);
sam_grove 13:0186e9e35a24 232 }
sam_grove 13:0186e9e35a24 233
sarahmarshy 18:9fc7976c7b27 234 int32_t ESP8266Socket::close() const
sam_grove 13:0186e9e35a24 235 {
sam_grove 24:37504440f296 236 if (!_driver->close(_id)) {
sarahmarshy 23:fd0f3197c30b 237 return -1;//closing socket not succesful
sarahmarshy 18:9fc7976c7b27 238 }
sam_grove 13:0186e9e35a24 239 return 0;
sam_grove 13:0186e9e35a24 240 }
sarahmarshy 22:312453862371 241
sarahmarshy 22:312453862371 242 uint32_t ESP8266Socket::getHandle()const
sarahmarshy 22:312453862371 243 {
sarahmarshy 22:312453862371 244 return _handle;
sarahmarshy 22:312453862371 245 }
sarahmarshy 22:312453862371 246
sarahmarshy 18:9fc7976c7b27 247 uint8_t ESP8266Socket::getID()
sam_grove 13:0186e9e35a24 248 {
sam_grove 24:37504440f296 249 return _id;
sarahmarshy 25:91c4e9d34b77 250 }