modified by ohneta
Dependents: HelloESP8266Interface_mine
Fork of ESP8266Interface by
ESP8266Interface.cpp
- Committer:
- sarahmarshy
- Date:
- 2015-07-27
- Revision:
- 26:6e36dd3cec3f
- Parent:
- 24:37504440f296
- Parent:
- 25:91c4e9d34b77
- Child:
- 27:eaeecaaae611
File content as of revision 26:6e36dd3cec3f:
/* ESP8266Interface Example * Copyright (c) 2015 ARM Limited * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #include "ESP8266Interface.h" ESP8266Interface::ESP8266Interface(PinName tx, PinName rx) : esp8266(tx, rx) { uuidCounter = 0; std::fill_n(availableID, sizeof(availableID)/sizeof(int), -1); } int32_t ESP8266Interface::init(void) { if (!esp8266.startup()) { return -1; } if (!esp8266.reset()) { return -1; } if (!esp8266.wifiMode(3)) { return -1; } if (!esp8266.multipleConnections(true)) { return -1; } return 0; } int32_t ESP8266Interface::init(const char *ip, const char *mask, const char *gateway) { return -1; } int32_t ESP8266Interface::connect(uint32_t timeout_ms) { return -1; } int32_t ESP8266Interface::connect(const char *ap, const char *pass_phrase, wifi_security_t security, uint32_t timeout_ms) { esp8266.setTimeout(timeout_ms); if (!esp8266.dhcp(1, true)) { return -1; } if (!esp8266.connect(ap, pass_phrase)) { return -1; } return 0; } int32_t ESP8266Interface::disconnect(void) { if (!esp8266.disconnect()) { return -1; } for(int i=0; i<numSockets; i++) { SocketInterface *socket = sockets[availableID[i]]; deallocateSocket(socket); } return 0; } char *ESP8266Interface::getIPAddress(void) { if(!esp8266.getIPAddress(ip)) { return NULL; } return ip; } char *ESP8266Interface::getGateway(void) const { return 0; } char *ESP8266Interface::getNetworkMask(void) const { return 0; } char *ESP8266Interface::getMACAddress(void) const { return 0; } int32_t ESP8266Interface::isConnected(void) { return (getIPAddress() == NULL) ? -1 : 0; } SocketInterface *ESP8266Interface::allocateSocket(socket_protocol_t socketProtocol) { int id = -1; //Look through the array of available sockets for an unused ID for(int i=0; i<numSockets; i++) { if (availableID[i] == -1) { id = i; availableID[i] = uuidCounter; break; } } if (id == -1) { return NULL;//tried to allocate more than the maximum 5 sockets } ESP8266Socket *socket = new ESP8266Socket(uuidCounter++, esp8266, socketProtocol, (uint8_t)id); sockets[socket->getHandle()] = socket; return socket; } int ESP8266Interface::deallocateSocket(SocketInterface *socket) { int id = (int)static_cast<ESP8266Socket*>(socket)->getID(); availableID[id] = -1; std::map<uint32_t, SocketInterface*>::iterator it; // Check if socket is owned by WiFiRadioInterface it = sockets.find(socket->getHandle()); if (it != sockets.end()) { // If so, erase it from the internal socket map and deallocate the socket sockets.erase(it); delete socket; } else { // Socket is not owned by WiFiRadioInterface, so return -1 error return -1; } return 0; } void ESP8266Interface::getHostByName(const char *name, char* hostIP) { SocketInterface* sock = this->allocateSocket(SOCK_UDP); IPADDRESS_t ip; DnsQuery dns(sock); dns.gethostbyname(name, ip); sock->close(); this->deallocateSocket(sock); char* resolved = ip.string_format(); memcpy(hostIP, resolved, strlen(resolved)+1); printf("IP:%s\n",resolved); } ESP8266Socket::ESP8266Socket(uint32_t handle, ESP8266 &driver, socket_protocol_t type, uint8_t id) { _handle = handle; _driver = &driver; _type = type; _id = id; } const char *ESP8266Socket::getHostByName(const char *name) const { return 0; } void ESP8266Socket::setAddress(const char* addr) { _addr = addr; } void ESP8266Socket::setPort(uint16_t port) { _port = port; } void ESP8266Socket::setAddressPort(const char* addr, uint16_t port) { _addr = addr; _port = port; } const char *ESP8266Socket::getAddress(void) const { return _addr; } uint16_t ESP8266Socket::getPort(void) const { return _port; } int32_t ESP8266Socket::bind(uint16_t port) const { return -1; } int32_t ESP8266Socket::listen(void) const { return -1; } int32_t ESP8266Socket::accept() const { return -1; } int32_t ESP8266Socket::open() { string sock_type = (SOCK_UDP == _type) ? "UDP" : "TCP"; if (!_driver->openSocket(sock_type, _id, _port, _addr)) { return -1; } return 0; } int32_t ESP8266Socket::send(const void *data, uint32_t amount, uint32_t timeout_ms) { _driver->setTimeout((int)timeout_ms); if(!_driver->sendData(_id, data, amount)) { return -1; } return 0; } uint32_t ESP8266Socket::recv(void *data, uint32_t amount, uint32_t timeout_ms) { return _driver->recv(data, amount); } int32_t ESP8266Socket::close() const { if (!_driver->close(_id)) { return -1;//closing socket not succesful } return 0; } uint32_t ESP8266Socket::getHandle()const { return _handle; } uint8_t ESP8266Socket::getID() { return _id; }