sandbox / ESP8266Interface

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Dependencies:   ESP8266

Fork of ESP8266Interface by Christopher Haster

ESP8266Interface.cpp@33:276cb279df57, 2016-02-22 (annotated)

Committer:
geky
Date:
Mon Feb 22 23:56:33 2016 +0000
Revision:
33:276cb279df57
Parent:
30:c19f1e61063b
Child:
34:9c26a3dcdc1f
Matched changes to ESP8266

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 30:c19f1e61063b 19 ESP8266Interface::ESP8266Interface(PinName tx, PinName rx, uint8_t trace) : esp8266(tx, rx, trace)
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 {
sarahmarshy 18:9fc7976c7b27 27 return 0;
sam_grove 11:288c15b80a26 28 }
sam_grove 11:288c15b80a26 29
sam_grove 24:37504440f296 30 int32_t ESP8266Interface::init(const char *ip, const char *mask, const char *gateway)
sam_grove 11:288c15b80a26 31 {
sarahmarshy 23:fd0f3197c30b 32 return -1;
sam_grove 11:288c15b80a26 33 }
sam_grove 11:288c15b80a26 34
sam_grove 24:37504440f296 35 int32_t ESP8266Interface::connect(uint32_t timeout_ms)
sam_grove 11:288c15b80a26 36 {
sam_grove 11:288c15b80a26 37 return -1;
sam_grove 11:288c15b80a26 38 }
sam_grove 11:288c15b80a26 39
sarahmarshy 18:9fc7976c7b27 40 int32_t ESP8266Interface::connect(const char *ap, const char *pass_phrase, wifi_security_t security, uint32_t timeout_ms)
sam_grove 11:288c15b80a26 41 {
sarahmarshy 23:fd0f3197c30b 42 esp8266.setTimeout(timeout_ms);
geky 33:276cb279df57 43 if (!esp8266.startup(3)) {
geky 33:276cb279df57 44 return -1;
geky 33:276cb279df57 45 }
geky 33:276cb279df57 46 if (!esp8266.dhcp(true, 1)) {
sarahmarshy 18:9fc7976c7b27 47 return -1;
sarahmarshy 18:9fc7976c7b27 48 }
sam_grove 24:37504440f296 49 if (!esp8266.connect(ap, pass_phrase)) {
sam_grove 24:37504440f296 50 return -1;
sam_grove 24:37504440f296 51 }
geky 33:276cb279df57 52 if (!esp8266.isConnected()) {
geky 33:276cb279df57 53 return -1;
geky 33:276cb279df57 54 }
sam_grove 24:37504440f296 55 return 0;
sam_grove 11:288c15b80a26 56 }
sam_grove 11:288c15b80a26 57
sarahmarshy 22:312453862371 58 int32_t ESP8266Interface::disconnect(void)
sam_grove 11:288c15b80a26 59 {
sam_grove 24:37504440f296 60 if (!esp8266.disconnect()) {
sarahmarshy 22:312453862371 61 return -1;
sam_grove 24:37504440f296 62 }
sam_grove 30:c19f1e61063b 63 for (int i=0; i<numSockets; i++) {
sarahmarshy 22:312453862371 64 SocketInterface *socket = sockets[availableID[i]];
sam_grove 30:c19f1e61063b 65 if (socket) {
sam_grove 30:c19f1e61063b 66 deallocateSocket(socket);
sam_grove 30:c19f1e61063b 67 }
sarahmarshy 22:312453862371 68 }
sarahmarshy 22:312453862371 69 return 0;
sam_grove 11:288c15b80a26 70 }
sam_grove 11:288c15b80a26 71
sarahmarshy 18:9fc7976c7b27 72 char *ESP8266Interface::getIPAddress(void)
sarahmarshy 18:9fc7976c7b27 73 {
geky 33:276cb279df57 74 const char *src = esp8266.getIPAddress();
geky 33:276cb279df57 75 if (!src) return 0;
geky 33:276cb279df57 76
geky 33:276cb279df57 77 strcpy(ip, src);
sarahmarshy 18:9fc7976c7b27 78 return ip;
sarahmarshy 18:9fc7976c7b27 79 }
sarahmarshy 18:9fc7976c7b27 80
sarahmarshy 18:9fc7976c7b27 81 char *ESP8266Interface::getGateway(void) const
sam_grove 11:288c15b80a26 82 {
sam_grove 11:288c15b80a26 83 return 0;
sam_grove 11:288c15b80a26 84 }
sam_grove 11:288c15b80a26 85
sarahmarshy 18:9fc7976c7b27 86 char *ESP8266Interface::getNetworkMask(void) const
sam_grove 11:288c15b80a26 87 {
sam_grove 11:288c15b80a26 88 return 0;
sam_grove 11:288c15b80a26 89 }
sam_grove 11:288c15b80a26 90
sarahmarshy 18:9fc7976c7b27 91 char *ESP8266Interface::getMACAddress(void) const
sam_grove 11:288c15b80a26 92 {
sam_grove 11:288c15b80a26 93 return 0;
sam_grove 11:288c15b80a26 94 }
sam_grove 11:288c15b80a26 95
sam_grove 24:37504440f296 96 int32_t ESP8266Interface::isConnected(void)
sam_grove 11:288c15b80a26 97 {
sam_grove 24:37504440f296 98 return (getIPAddress() == NULL) ? -1 : 0;
sam_grove 11:288c15b80a26 99 }
sam_grove 11:288c15b80a26 100
sam_grove 24:37504440f296 101 SocketInterface *ESP8266Interface::allocateSocket(socket_protocol_t socketProtocol)
sam_grove 24:37504440f296 102 {
sarahmarshy 18:9fc7976c7b27 103 int id = -1;
sarahmarshy 18:9fc7976c7b27 104 //Look through the array of available sockets for an unused ID
sam_grove 24:37504440f296 105 for(int i=0; i<numSockets; i++) {
sam_grove 24:37504440f296 106 if (availableID[i] == -1) {
sam_grove 24:37504440f296 107 id = i;
sarahmarshy 18:9fc7976c7b27 108 availableID[i] = uuidCounter;
sarahmarshy 18:9fc7976c7b27 109 break;
sarahmarshy 18:9fc7976c7b27 110 }
sarahmarshy 18:9fc7976c7b27 111 }
sam_grove 24:37504440f296 112 if (id == -1) {
sam_grove 24:37504440f296 113 return NULL;//tried to allocate more than the maximum 5 sockets
sarahmarshy 18:9fc7976c7b27 114 }
sam_grove 24:37504440f296 115 ESP8266Socket *socket = new ESP8266Socket(uuidCounter++, esp8266, socketProtocol, (uint8_t)id);
sarahmarshy 22:312453862371 116 sockets[socket->getHandle()] = socket;
sarahmarshy 18:9fc7976c7b27 117 return socket;
sam_grove 11:288c15b80a26 118 }
sam_grove 13:0186e9e35a24 119
sam_grove 24:37504440f296 120 int ESP8266Interface::deallocateSocket(SocketInterface *socket)
bridadan 16:b2f781416464 121 {
sarahmarshy 18:9fc7976c7b27 122 int id = (int)static_cast<ESP8266Socket*>(socket)->getID();
sarahmarshy 18:9fc7976c7b27 123 availableID[id] = -1;
sam_grove 24:37504440f296 124
sarahmarshy 22:312453862371 125 std::map<uint32_t, SocketInterface*>::iterator it;
sam_grove 24:37504440f296 126
sarahmarshy 22:312453862371 127 // Check if socket is owned by WiFiRadioInterface
sarahmarshy 22:312453862371 128 it = sockets.find(socket->getHandle());
sam_grove 24:37504440f296 129
sarahmarshy 22:312453862371 130 if (it != sockets.end()) {
sarahmarshy 22:312453862371 131 // If so, erase it from the internal socket map and deallocate the socket
sarahmarshy 22:312453862371 132 sockets.erase(it);
sarahmarshy 22:312453862371 133 delete socket;
sarahmarshy 22:312453862371 134 } else {
sarahmarshy 22:312453862371 135 // Socket is not owned by WiFiRadioInterface, so return -1 error
sarahmarshy 22:312453862371 136 return -1;
sarahmarshy 22:312453862371 137 }
sam_grove 24:37504440f296 138 return 0;
bridadan 16:b2f781416464 139 }
sarahmarshy 25:91c4e9d34b77 140 void ESP8266Interface::getHostByName(const char *name, char* hostIP)
sarahmarshy 25:91c4e9d34b77 141 {
sarahmarshy 25:91c4e9d34b77 142 SocketInterface* sock = this->allocateSocket(SOCK_UDP);
sarahmarshy 29:f2ae8f47729b 143 DnsQuery dns(sock, name, hostIP);
sarahmarshy 25:91c4e9d34b77 144 this->deallocateSocket(sock);
sarahmarshy 25:91c4e9d34b77 145 }
bridadan 16:b2f781416464 146
sam_grove 24:37504440f296 147 ESP8266Socket::ESP8266Socket(uint32_t handle, ESP8266 &driver, socket_protocol_t type, uint8_t id)
sarahmarshy 18:9fc7976c7b27 148 {
sarahmarshy 22:312453862371 149 _handle = handle;
sam_grove 24:37504440f296 150 _driver = &driver;
sam_grove 24:37504440f296 151 _type = type;
sam_grove 24:37504440f296 152 _id = id;
sarahmarshy 18:9fc7976c7b27 153 }
sarahmarshy 18:9fc7976c7b27 154
sarahmarshy 18:9fc7976c7b27 155 const char *ESP8266Socket::getHostByName(const char *name) const
sam_grove 13:0186e9e35a24 156 {
sam_grove 13:0186e9e35a24 157 return 0;
sam_grove 13:0186e9e35a24 158 }
sam_grove 13:0186e9e35a24 159
sarahmarshy 18:9fc7976c7b27 160 void ESP8266Socket::setAddress(const char* addr)
bridadan 16:b2f781416464 161 {
sam_grove 24:37504440f296 162 _addr = addr;
sarahmarshy 18:9fc7976c7b27 163 }
sarahmarshy 18:9fc7976c7b27 164
sam_grove 24:37504440f296 165 void ESP8266Socket::setPort(uint16_t port)
sarahmarshy 18:9fc7976c7b27 166 {
sam_grove 24:37504440f296 167 _port = port;
bridadan 16:b2f781416464 168 }
bridadan 16:b2f781416464 169
sarahmarshy 18:9fc7976c7b27 170 void ESP8266Socket::setAddressPort(const char* addr, uint16_t port)
bridadan 16:b2f781416464 171 {
sam_grove 24:37504440f296 172 _addr = addr;
sarahmarshy 18:9fc7976c7b27 173 _port = port;
bridadan 16:b2f781416464 174 }
bridadan 16:b2f781416464 175
sarahmarshy 18:9fc7976c7b27 176 const char *ESP8266Socket::getAddress(void) const
sarahmarshy 18:9fc7976c7b27 177 {
sam_grove 24:37504440f296 178 return _addr;
sarahmarshy 18:9fc7976c7b27 179 }
sarahmarshy 18:9fc7976c7b27 180
sarahmarshy 18:9fc7976c7b27 181 uint16_t ESP8266Socket::getPort(void) const
sarahmarshy 18:9fc7976c7b27 182 {
sarahmarshy 18:9fc7976c7b27 183 return _port;
sarahmarshy 18:9fc7976c7b27 184 }
sarahmarshy 18:9fc7976c7b27 185
sarahmarshy 18:9fc7976c7b27 186
sarahmarshy 18:9fc7976c7b27 187 int32_t ESP8266Socket::bind(uint16_t port) const
sam_grove 13:0186e9e35a24 188 {
sam_grove 13:0186e9e35a24 189 return -1;
sam_grove 13:0186e9e35a24 190 }
sam_grove 13:0186e9e35a24 191
sarahmarshy 18:9fc7976c7b27 192 int32_t ESP8266Socket::listen(void) const
sam_grove 13:0186e9e35a24 193 {
sam_grove 13:0186e9e35a24 194 return -1;
sam_grove 13:0186e9e35a24 195 }
sam_grove 13:0186e9e35a24 196
sarahmarshy 18:9fc7976c7b27 197 int32_t ESP8266Socket::accept() const
sam_grove 13:0186e9e35a24 198 {
sam_grove 13:0186e9e35a24 199 return -1;
sam_grove 13:0186e9e35a24 200 }
sam_grove 13:0186e9e35a24 201
sam_grove 24:37504440f296 202 int32_t ESP8266Socket::open()
sam_grove 13:0186e9e35a24 203 {
sarahmarshy 26:6e36dd3cec3f 204
geky 33:276cb279df57 205 const char *sock_type = (SOCK_UDP == _type) ? "UDP" : "TCP";
geky 33:276cb279df57 206 if (!_driver->open(sock_type, _id, _addr, _port)) {
sam_grove 24:37504440f296 207 return -1;
sarahmarshy 18:9fc7976c7b27 208 }
sam_grove 13:0186e9e35a24 209 return 0;
sam_grove 24:37504440f296 210
sam_grove 13:0186e9e35a24 211 }
sam_grove 13:0186e9e35a24 212
sam_grove 24:37504440f296 213 int32_t ESP8266Socket::send(const void *data, uint32_t amount, uint32_t timeout_ms)
bridadan 16:b2f781416464 214 {
sam_grove 24:37504440f296 215 _driver->setTimeout((int)timeout_ms);
geky 33:276cb279df57 216 if(!_driver->send(_id, data, amount)) {
sarahmarshy 18:9fc7976c7b27 217 return -1;
sarahmarshy 18:9fc7976c7b27 218 }
bridadan 16:b2f781416464 219 return 0;
bridadan 16:b2f781416464 220 }
bridadan 16:b2f781416464 221
sarahmarshy 18:9fc7976c7b27 222 uint32_t ESP8266Socket::recv(void *data, uint32_t amount, uint32_t timeout_ms)
sam_grove 13:0186e9e35a24 223 {
sarahmarshy 27:eaeecaaae611 224 _driver->setTimeout((int)timeout_ms);
geky 33:276cb279df57 225 return _driver->recv(_id, data, amount);
sam_grove 13:0186e9e35a24 226 }
sam_grove 13:0186e9e35a24 227
sarahmarshy 18:9fc7976c7b27 228 int32_t ESP8266Socket::close() const
sam_grove 13:0186e9e35a24 229 {
sam_grove 24:37504440f296 230 if (!_driver->close(_id)) {
sarahmarshy 23:fd0f3197c30b 231 return -1;//closing socket not succesful
sarahmarshy 18:9fc7976c7b27 232 }
sam_grove 13:0186e9e35a24 233 return 0;
sam_grove 13:0186e9e35a24 234 }
sarahmarshy 22:312453862371 235
sarahmarshy 22:312453862371 236 uint32_t ESP8266Socket::getHandle()const
sarahmarshy 22:312453862371 237 {
sarahmarshy 22:312453862371 238 return _handle;
sarahmarshy 22:312453862371 239 }
sarahmarshy 22:312453862371 240
sarahmarshy 18:9fc7976c7b27 241 uint8_t ESP8266Socket::getID()
sam_grove 13:0186e9e35a24 242 {
sam_grove 24:37504440f296 243 return _id;
sarahmarshy 25:91c4e9d34b77 244 }