sandbox / ESP8266Interface

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Dependencies:   ESP8266

Fork of ESP8266Interface by Christopher Haster

ESP8266Interface.cpp@39:7e85bf8003fa, 2016-02-24 (annotated)

Committer:
Christopher Haster
Date:
Wed Feb 24 19:07:08 2016 -0600
Branch:
api-changes
Revision:
39:7e85bf8003fa
Parent:
38:eb1e46561a19
Child:
40:83c6b4129468
Fixed memory leak in destroySocket

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"
Christopher Haster 34:9c26a3dcdc1f 18 #include "ESP8266SocketInterface.h"
sam_grove 11:288c15b80a26 19
Christopher Haster 34:9c26a3dcdc1f 20 ESP8266Interface::ESP8266Interface(PinName tx, PinName rx, bool debug)
Christopher Haster 34:9c26a3dcdc1f 21 : _esp(tx, rx, debug)
sam_grove 24:37504440f296 22 {
Christopher Haster 34:9c26a3dcdc1f 23 memset(_ids, 0, sizeof(_ids));
sam_grove 11:288c15b80a26 24 }
sam_grove 11:288c15b80a26 25
Christopher Haster 34:9c26a3dcdc1f 26 int32_t ESP8266Interface::connect(
Christopher Haster 34:9c26a3dcdc1f 27 const char *ap,
Christopher Haster 34:9c26a3dcdc1f 28 const char *pass_phrase,
Christopher Haster 38:eb1e46561a19 29 wifi_security_t)
sam_grove 11:288c15b80a26 30 {
Christopher Haster 38:eb1e46561a19 31 _esp.setTimeout(getTimeout());
Christopher Haster 34:9c26a3dcdc1f 32
Christopher Haster 34:9c26a3dcdc1f 33 if (!_esp.startup(3)) return -1;
Christopher Haster 34:9c26a3dcdc1f 34 if (!_esp.dhcp(true, 1)) return -1;
Christopher Haster 34:9c26a3dcdc1f 35 if (!_esp.connect(ap, pass_phrase)) return -1;
Christopher Haster 34:9c26a3dcdc1f 36
Christopher Haster 34:9c26a3dcdc1f 37 _ip_address = _esp.getIPAddress();
Christopher Haster 34:9c26a3dcdc1f 38 _mac_address = _esp.getMACAddress();
Christopher Haster 34:9c26a3dcdc1f 39 if (!_ip_address || !_mac_address) return -1;
Christopher Haster 34:9c26a3dcdc1f 40
sam_grove 24:37504440f296 41 return 0;
sam_grove 11:288c15b80a26 42 }
sam_grove 11:288c15b80a26 43
Christopher Haster 34:9c26a3dcdc1f 44 int32_t ESP8266Interface::disconnect()
sam_grove 11:288c15b80a26 45 {
Christopher Haster 34:9c26a3dcdc1f 46 if (!_esp.disconnect()) return -1;
Christopher Haster 34:9c26a3dcdc1f 47
sarahmarshy 22:312453862371 48 return 0;
sam_grove 11:288c15b80a26 49 }
sam_grove 11:288c15b80a26 50
Christopher Haster 34:9c26a3dcdc1f 51 const char *ESP8266Interface::getIPAddress()
sarahmarshy 18:9fc7976c7b27 52 {
Christopher Haster 34:9c26a3dcdc1f 53 return _ip_address;
sarahmarshy 18:9fc7976c7b27 54 }
sarahmarshy 18:9fc7976c7b27 55
Christopher Haster 34:9c26a3dcdc1f 56 const char *ESP8266Interface::getMACAddress()
sam_grove 11:288c15b80a26 57 {
Christopher Haster 34:9c26a3dcdc1f 58 return _mac_address;
sam_grove 11:288c15b80a26 59 }
sam_grove 11:288c15b80a26 60
Christopher Haster 38:eb1e46561a19 61 void ESP8266Interface::setTimeout(uint32_t timeout)
Christopher Haster 38:eb1e46561a19 62 {
Christopher Haster 38:eb1e46561a19 63 NetworkInterface::setTimeout(timeout);
Christopher Haster 38:eb1e46561a19 64 _esp.setTimeout(timeout);
Christopher Haster 38:eb1e46561a19 65 }
Christopher Haster 38:eb1e46561a19 66
Christopher Haster 34:9c26a3dcdc1f 67 SocketInterface *ESP8266Interface::createSocket(socket_protocol_t proto)
sam_grove 11:288c15b80a26 68 {
Christopher Haster 34:9c26a3dcdc1f 69 // Look for an unused socket
sarahmarshy 18:9fc7976c7b27 70 int id = -1;
Christopher Haster 34:9c26a3dcdc1f 71
Christopher Haster 34:9c26a3dcdc1f 72 for (int i = 0; i < ESP8266_SOCKET_COUNT; i++) {
Christopher Haster 34:9c26a3dcdc1f 73 if (!_ids[i]) {
sam_grove 24:37504440f296 74 id = i;
Christopher Haster 34:9c26a3dcdc1f 75 _ids[i] = true;
sarahmarshy 18:9fc7976c7b27 76 break;
sarahmarshy 18:9fc7976c7b27 77 }
sarahmarshy 18:9fc7976c7b27 78 }
Christopher Haster 34:9c26a3dcdc1f 79
sam_grove 24:37504440f296 80 if (id == -1) {
Christopher Haster 34:9c26a3dcdc1f 81 return 0;
sarahmarshy 22:312453862371 82 }
bridadan 16:b2f781416464 83
Christopher Haster 34:9c26a3dcdc1f 84 return new ESP8266SocketInterface(&_esp, proto, id);
bridadan 16:b2f781416464 85 }
bridadan 16:b2f781416464 86
Christopher Haster 34:9c26a3dcdc1f 87 void ESP8266Interface::destroySocket(SocketInterface *iface)
sarahmarshy 18:9fc7976c7b27 88 {
Christopher Haster 34:9c26a3dcdc1f 89 ESP8266SocketInterface *socket = (ESP8266SocketInterface *)iface;
Christopher Haster 34:9c26a3dcdc1f 90 _ids[socket->getID()] = false;
Christopher Haster 39:7e85bf8003fa 91 delete socket;
sam_grove 13:0186e9e35a24 92 }
sam_grove 13:0186e9e35a24 93