sandbox / ESP8266Interface

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Dependencies:   ESP8266

Fork of ESP8266Interface by Christopher Haster

ESP8266Interface.cpp@34:9c26a3dcdc1f, 2016-02-22 (annotated)

Committer:
Christopher Haster
Date:
Mon Feb 22 23:53:46 2016 -0600
Branch:
api-changes
Revision:
34:9c26a3dcdc1f
Parent:
33:276cb279df57
Child:
38:eb1e46561a19
Matched changes in NetworkSocketAPI

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