modified by ohneta
Dependents: HelloESP8266Interface_mine
Fork of ESP8266Interface by
ESP8266Interface.cpp@23:fd0f3197c30b, 2015-07-23 (annotated)
- Committer:
- sarahmarshy
- Date:
- Thu Jul 23 21:25:30 2015 +0000
- Revision:
- 23:fd0f3197c30b
- Parent:
- 22:312453862371
- Child:
- 24:37504440f296
- Child:
- 25:91c4e9d34b77
Moved AT commands to driver
Who changed what in which revision?
User | Revision | Line number | New 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 | 11:288c15b80a26 | 16 | |
sarahmarshy | 18:9fc7976c7b27 | 17 | #include "ESP8266Interface.h" |
sarahmarshy | 18:9fc7976c7b27 | 18 | #include <string> |
sam_grove | 11:288c15b80a26 | 19 | |
sarahmarshy | 18:9fc7976c7b27 | 20 | ESP8266Interface::ESP8266Interface(PinName tx, PinName rx) |
sarahmarshy | 23:fd0f3197c30b | 21 | :esp8266(tx,rx) |
sam_grove | 11:288c15b80a26 | 22 | { |
sarahmarshy | 22:312453862371 | 23 | uuidCounter = 0; |
sarahmarshy | 22:312453862371 | 24 | for(int i = 0; i<numSockets; i++){ |
sarahmarshy | 18:9fc7976c7b27 | 25 | availableID[i] = -1; |
sarahmarshy | 18:9fc7976c7b27 | 26 | } |
sam_grove | 11:288c15b80a26 | 27 | } |
sam_grove | 11:288c15b80a26 | 28 | |
sarahmarshy | 18:9fc7976c7b27 | 29 | int32_t ESP8266Interface::init(void) |
sarahmarshy | 18:9fc7976c7b27 | 30 | { |
sarahmarshy | 23:fd0f3197c30b | 31 | if (!esp8266.startup()) |
sarahmarshy | 18:9fc7976c7b27 | 32 | return -1; |
sarahmarshy | 23:fd0f3197c30b | 33 | if (!esp8266.reset()) |
sarahmarshy | 18:9fc7976c7b27 | 34 | return -1; |
sarahmarshy | 23:fd0f3197c30b | 35 | if (!esp8266.wifiMode(3)) |
sarahmarshy | 18:9fc7976c7b27 | 36 | return -1; |
sarahmarshy | 23:fd0f3197c30b | 37 | if (!esp8266.multipleConnections(true)) |
sarahmarshy | 18:9fc7976c7b27 | 38 | return -1; |
sarahmarshy | 18:9fc7976c7b27 | 39 | return 0; |
sarahmarshy | 18:9fc7976c7b27 | 40 | |
sam_grove | 11:288c15b80a26 | 41 | } |
sam_grove | 11:288c15b80a26 | 42 | |
sarahmarshy | 18:9fc7976c7b27 | 43 | int32_t ESP8266Interface::init(const char *ip, const char *mask, const char *gateway) |
sam_grove | 11:288c15b80a26 | 44 | { |
sarahmarshy | 23:fd0f3197c30b | 45 | return -1; |
sam_grove | 11:288c15b80a26 | 46 | } |
sam_grove | 11:288c15b80a26 | 47 | |
sarahmarshy | 18:9fc7976c7b27 | 48 | int32_t ESP8266Interface::connect(uint32_t timeout_ms) |
sam_grove | 11:288c15b80a26 | 49 | { |
sam_grove | 11:288c15b80a26 | 50 | return -1; |
sam_grove | 11:288c15b80a26 | 51 | } |
sam_grove | 11:288c15b80a26 | 52 | |
sarahmarshy | 18:9fc7976c7b27 | 53 | int32_t ESP8266Interface::connect(const char *ap, const char *pass_phrase, wifi_security_t security, uint32_t timeout_ms) |
sam_grove | 11:288c15b80a26 | 54 | { |
sarahmarshy | 23:fd0f3197c30b | 55 | esp8266.setTimeout(timeout_ms); |
sarahmarshy | 23:fd0f3197c30b | 56 | |
sarahmarshy | 23:fd0f3197c30b | 57 | if (!esp8266.dhcp(1,true)) |
sarahmarshy | 18:9fc7976c7b27 | 58 | return -1; |
sarahmarshy | 23:fd0f3197c30b | 59 | if (!esp8266.connect(ap,pass_phrase)){ |
sarahmarshy | 18:9fc7976c7b27 | 60 | return -1; |
sarahmarshy | 18:9fc7976c7b27 | 61 | } |
sarahmarshy | 18:9fc7976c7b27 | 62 | return 0; |
sam_grove | 11:288c15b80a26 | 63 | } |
sam_grove | 11:288c15b80a26 | 64 | |
sarahmarshy | 22:312453862371 | 65 | int32_t ESP8266Interface::disconnect(void) |
sam_grove | 11:288c15b80a26 | 66 | { |
sarahmarshy | 23:fd0f3197c30b | 67 | if (!esp8266.disconnect()) |
sarahmarshy | 22:312453862371 | 68 | return -1; |
sarahmarshy | 22:312453862371 | 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; |
sarahmarshy | 22:312453862371 | 74 | |
sam_grove | 11:288c15b80a26 | 75 | } |
sam_grove | 11:288c15b80a26 | 76 | |
sarahmarshy | 18:9fc7976c7b27 | 77 | char *ESP8266Interface::getIPAddress(void) |
sarahmarshy | 18:9fc7976c7b27 | 78 | { |
sarahmarshy | 23:fd0f3197c30b | 79 | if(!esp8266.getIPAddress(ip)) |
sarahmarshy | 18:9fc7976c7b27 | 80 | return NULL; |
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 | |
sarahmarshy | 18:9fc7976c7b27 | 99 | int32_t ESP8266Interface::isConnected(void) |
sam_grove | 11:288c15b80a26 | 100 | { |
sarahmarshy | 18:9fc7976c7b27 | 101 | return (getIPAddress()==NULL) ? -1 : 0; |
sam_grove | 11:288c15b80a26 | 102 | } |
sam_grove | 11:288c15b80a26 | 103 | |
sarahmarshy | 18:9fc7976c7b27 | 104 | SocketInterface *ESP8266Interface::allocateSocket(socket_protocol_t socketProtocol) |
sarahmarshy | 18:9fc7976c7b27 | 105 | { |
sarahmarshy | 18:9fc7976c7b27 | 106 | int id = -1; |
sarahmarshy | 18:9fc7976c7b27 | 107 | //Look through the array of available sockets for an unused ID |
sarahmarshy | 22:312453862371 | 108 | for(int i=0; i<numSockets; i++){ |
sarahmarshy | 18:9fc7976c7b27 | 109 | if (availableID[i] == -1){ |
sarahmarshy | 18:9fc7976c7b27 | 110 | id = i; |
sarahmarshy | 18:9fc7976c7b27 | 111 | availableID[i] = uuidCounter; |
sarahmarshy | 18:9fc7976c7b27 | 112 | break; |
sarahmarshy | 18:9fc7976c7b27 | 113 | } |
sarahmarshy | 18:9fc7976c7b27 | 114 | } |
sarahmarshy | 18:9fc7976c7b27 | 115 | if (id == -1){ |
sarahmarshy | 18:9fc7976c7b27 | 116 | return NULL;//tried to allocate more than the maximum 5 sockets |
sarahmarshy | 18:9fc7976c7b27 | 117 | } |
sarahmarshy | 23:fd0f3197c30b | 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 | |
sarahmarshy | 18:9fc7976c7b27 | 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; |
sarahmarshy | 22:312453862371 | 127 | |
sarahmarshy | 22:312453862371 | 128 | std::map<uint32_t, SocketInterface*>::iterator it; |
sarahmarshy | 22:312453862371 | 129 | |
sarahmarshy | 22:312453862371 | 130 | // Check if socket is owned by WiFiRadioInterface |
sarahmarshy | 22:312453862371 | 131 | it = sockets.find(socket->getHandle()); |
sarahmarshy | 22:312453862371 | 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 | return 0; |
sarahmarshy | 22:312453862371 | 138 | } else { |
sarahmarshy | 22:312453862371 | 139 | // Socket is not owned by WiFiRadioInterface, so return -1 error |
sarahmarshy | 22:312453862371 | 140 | return -1; |
sarahmarshy | 22:312453862371 | 141 | } |
bridadan | 16:b2f781416464 | 142 | } |
bridadan | 16:b2f781416464 | 143 | |
sarahmarshy | 23:fd0f3197c30b | 144 | ESP8266Socket::ESP8266Socket(uint32_t handle, ESP8266 *driver, socket_protocol_t type, uint8_t id) |
sarahmarshy | 23:fd0f3197c30b | 145 | : driver(driver), _id(id) |
sarahmarshy | 18:9fc7976c7b27 | 146 | { |
sarahmarshy | 22:312453862371 | 147 | _handle = handle; |
sarahmarshy | 18:9fc7976c7b27 | 148 | SocketInterface::_type = type; |
sarahmarshy | 18:9fc7976c7b27 | 149 | } |
sarahmarshy | 18:9fc7976c7b27 | 150 | |
sarahmarshy | 18:9fc7976c7b27 | 151 | const char *ESP8266Socket::getHostByName(const char *name) const |
sam_grove | 13:0186e9e35a24 | 152 | { |
sam_grove | 13:0186e9e35a24 | 153 | return 0; |
sam_grove | 13:0186e9e35a24 | 154 | } |
sam_grove | 13:0186e9e35a24 | 155 | |
sarahmarshy | 18:9fc7976c7b27 | 156 | void ESP8266Socket::setAddress(const char* addr) |
bridadan | 16:b2f781416464 | 157 | { |
sarahmarshy | 18:9fc7976c7b27 | 158 | _addr = (char*)addr; |
sarahmarshy | 18:9fc7976c7b27 | 159 | } |
sarahmarshy | 18:9fc7976c7b27 | 160 | |
sarahmarshy | 18:9fc7976c7b27 | 161 | void ESP8266Socket::setPort(uint16_t port) |
sarahmarshy | 18:9fc7976c7b27 | 162 | { |
sarahmarshy | 18:9fc7976c7b27 | 163 | _port = port; |
bridadan | 16:b2f781416464 | 164 | } |
bridadan | 16:b2f781416464 | 165 | |
sarahmarshy | 18:9fc7976c7b27 | 166 | void ESP8266Socket::setAddressPort(const char* addr, uint16_t port) |
bridadan | 16:b2f781416464 | 167 | { |
sarahmarshy | 18:9fc7976c7b27 | 168 | _addr = (char*)addr; |
sarahmarshy | 18:9fc7976c7b27 | 169 | _port = port; |
bridadan | 16:b2f781416464 | 170 | } |
bridadan | 16:b2f781416464 | 171 | |
sarahmarshy | 18:9fc7976c7b27 | 172 | const char *ESP8266Socket::getAddress(void) const |
sarahmarshy | 18:9fc7976c7b27 | 173 | { |
sarahmarshy | 18:9fc7976c7b27 | 174 | return (const char*)_addr; |
sarahmarshy | 18:9fc7976c7b27 | 175 | } |
sarahmarshy | 18:9fc7976c7b27 | 176 | |
sarahmarshy | 18:9fc7976c7b27 | 177 | uint16_t ESP8266Socket::getPort(void) const |
sarahmarshy | 18:9fc7976c7b27 | 178 | { |
sarahmarshy | 18:9fc7976c7b27 | 179 | return _port; |
sarahmarshy | 18:9fc7976c7b27 | 180 | } |
sarahmarshy | 18:9fc7976c7b27 | 181 | |
sarahmarshy | 18:9fc7976c7b27 | 182 | |
sarahmarshy | 18:9fc7976c7b27 | 183 | int32_t ESP8266Socket::bind(uint16_t port) const |
sam_grove | 13:0186e9e35a24 | 184 | { |
sam_grove | 13:0186e9e35a24 | 185 | return -1; |
sam_grove | 13:0186e9e35a24 | 186 | } |
sam_grove | 13:0186e9e35a24 | 187 | |
sarahmarshy | 18:9fc7976c7b27 | 188 | int32_t ESP8266Socket::listen(void) const |
sam_grove | 13:0186e9e35a24 | 189 | { |
sam_grove | 13:0186e9e35a24 | 190 | return -1; |
sam_grove | 13:0186e9e35a24 | 191 | } |
sam_grove | 13:0186e9e35a24 | 192 | |
sarahmarshy | 18:9fc7976c7b27 | 193 | int32_t ESP8266Socket::accept() 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::open() |
sam_grove | 13:0186e9e35a24 | 199 | { |
sarahmarshy | 18:9fc7976c7b27 | 200 | string sock_type; |
sarahmarshy | 18:9fc7976c7b27 | 201 | if(_type == SOCK_UDP) |
sarahmarshy | 18:9fc7976c7b27 | 202 | sock_type = "UDP"; |
sarahmarshy | 18:9fc7976c7b27 | 203 | else if(_type == SOCK_TCP) |
sarahmarshy | 18:9fc7976c7b27 | 204 | sock_type = "TCP"; |
sarahmarshy | 23:fd0f3197c30b | 205 | |
sarahmarshy | 23:fd0f3197c30b | 206 | if (!driver->openSocket(sock_type, _id, _port, _addr)){ |
sarahmarshy | 18:9fc7976c7b27 | 207 | return -1;//opening socket not succesful |
sarahmarshy | 18:9fc7976c7b27 | 208 | } |
sam_grove | 13:0186e9e35a24 | 209 | return 0; |
sarahmarshy | 18:9fc7976c7b27 | 210 | |
sam_grove | 13:0186e9e35a24 | 211 | } |
sam_grove | 13:0186e9e35a24 | 212 | |
sarahmarshy | 18:9fc7976c7b27 | 213 | int32_t ESP8266Socket::send(const void *data, uint32_t amount, uint32_t timeout_ms) |
bridadan | 16:b2f781416464 | 214 | { |
sarahmarshy | 18:9fc7976c7b27 | 215 | |
sarahmarshy | 23:fd0f3197c30b | 216 | driver->setTimeout((int)timeout_ms); |
sarahmarshy | 23:fd0f3197c30b | 217 | if(!driver->sendData(_id, data, amount)){ |
sarahmarshy | 18:9fc7976c7b27 | 218 | return -1; |
sarahmarshy | 18:9fc7976c7b27 | 219 | } |
bridadan | 16:b2f781416464 | 220 | return 0; |
bridadan | 16:b2f781416464 | 221 | } |
bridadan | 16:b2f781416464 | 222 | |
sarahmarshy | 18:9fc7976c7b27 | 223 | uint32_t ESP8266Socket::recv(void *data, uint32_t amount, uint32_t timeout_ms) |
sam_grove | 13:0186e9e35a24 | 224 | { |
sarahmarshy | 23:fd0f3197c30b | 225 | |
sarahmarshy | 23:fd0f3197c30b | 226 | return driver->recv(data, amount); |
sarahmarshy | 23:fd0f3197c30b | 227 | |
sam_grove | 13:0186e9e35a24 | 228 | } |
sam_grove | 13:0186e9e35a24 | 229 | |
sarahmarshy | 18:9fc7976c7b27 | 230 | int32_t ESP8266Socket::close() const |
sam_grove | 13:0186e9e35a24 | 231 | { |
sarahmarshy | 18:9fc7976c7b27 | 232 | |
sarahmarshy | 23:fd0f3197c30b | 233 | if (!driver->close(_id)){ |
sarahmarshy | 23:fd0f3197c30b | 234 | return -1;//closing socket not succesful |
sarahmarshy | 18:9fc7976c7b27 | 235 | } |
sam_grove | 13:0186e9e35a24 | 236 | return 0; |
sam_grove | 13:0186e9e35a24 | 237 | } |
sarahmarshy | 22:312453862371 | 238 | |
sarahmarshy | 22:312453862371 | 239 | uint32_t ESP8266Socket::getHandle()const |
sarahmarshy | 22:312453862371 | 240 | { |
sarahmarshy | 22:312453862371 | 241 | return _handle; |
sarahmarshy | 22:312453862371 | 242 | } |
sarahmarshy | 22:312453862371 | 243 | |
sarahmarshy | 18:9fc7976c7b27 | 244 | uint8_t ESP8266Socket::getID() |
sam_grove | 13:0186e9e35a24 | 245 | { |
sarahmarshy | 18:9fc7976c7b27 | 246 | return _id; |
bridadan | 16:b2f781416464 | 247 | } |