sandbox / ESP8266Interface

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Dependencies:   ESP8266

Fork of ESP8266Interface by Christopher Haster

ESP8266Interface.cpp@40:83c6b4129468, 2016-02-24 (annotated)

Committer:
Christopher Haster
Date:
Wed Feb 24 22:17:45 2016 -0600
Branch:
api-changes
Revision:
40:83c6b4129468
Parent:
39:7e85bf8003fa
Child:
41:3f4d5f4862d2
Moved ESP8266SocketInterface into ESP8266Interface

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
Christopher Haster 40:83c6b4129468 19 // ESP8266Interface implementation
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 40:83c6b4129468 26 ESP8266Interface::~ESP8266Interface()
Christopher Haster 40:83c6b4129468 27 {
Christopher Haster 40:83c6b4129468 28 }
Christopher Haster 40:83c6b4129468 29
Christopher Haster 34:9c26a3dcdc1f 30 int32_t ESP8266Interface::connect(
Christopher Haster 34:9c26a3dcdc1f 31 const char *ap,
Christopher Haster 34:9c26a3dcdc1f 32 const char *pass_phrase,
Christopher Haster 38:eb1e46561a19 33 wifi_security_t)
sam_grove 11:288c15b80a26 34 {
Christopher Haster 34:9c26a3dcdc1f 35 if (!_esp.startup(3)) return -1;
Christopher Haster 34:9c26a3dcdc1f 36 if (!_esp.dhcp(true, 1)) return -1;
Christopher Haster 34:9c26a3dcdc1f 37 if (!_esp.connect(ap, pass_phrase)) return -1;
Christopher Haster 34:9c26a3dcdc1f 38
Christopher Haster 34:9c26a3dcdc1f 39 _ip_address = _esp.getIPAddress();
Christopher Haster 34:9c26a3dcdc1f 40 _mac_address = _esp.getMACAddress();
Christopher Haster 34:9c26a3dcdc1f 41 if (!_ip_address || !_mac_address) return -1;
Christopher Haster 34:9c26a3dcdc1f 42
sam_grove 24:37504440f296 43 return 0;
sam_grove 11:288c15b80a26 44 }
sam_grove 11:288c15b80a26 45
Christopher Haster 34:9c26a3dcdc1f 46 int32_t ESP8266Interface::disconnect()
sam_grove 11:288c15b80a26 47 {
Christopher Haster 34:9c26a3dcdc1f 48 if (!_esp.disconnect()) return -1;
Christopher Haster 34:9c26a3dcdc1f 49
sarahmarshy 22:312453862371 50 return 0;
sam_grove 11:288c15b80a26 51 }
sam_grove 11:288c15b80a26 52
Christopher Haster 34:9c26a3dcdc1f 53 const char *ESP8266Interface::getIPAddress()
sarahmarshy 18:9fc7976c7b27 54 {
Christopher Haster 34:9c26a3dcdc1f 55 return _ip_address;
sarahmarshy 18:9fc7976c7b27 56 }
sarahmarshy 18:9fc7976c7b27 57
Christopher Haster 34:9c26a3dcdc1f 58 const char *ESP8266Interface::getMACAddress()
sam_grove 11:288c15b80a26 59 {
Christopher Haster 34:9c26a3dcdc1f 60 return _mac_address;
sam_grove 11:288c15b80a26 61 }
sam_grove 11:288c15b80a26 62
Christopher Haster 34:9c26a3dcdc1f 63 SocketInterface *ESP8266Interface::createSocket(socket_protocol_t proto)
sam_grove 11:288c15b80a26 64 {
Christopher Haster 34:9c26a3dcdc1f 65 // Look for an unused socket
sarahmarshy 18:9fc7976c7b27 66 int id = -1;
Christopher Haster 34:9c26a3dcdc1f 67
Christopher Haster 34:9c26a3dcdc1f 68 for (int i = 0; i < ESP8266_SOCKET_COUNT; i++) {
Christopher Haster 34:9c26a3dcdc1f 69 if (!_ids[i]) {
sam_grove 24:37504440f296 70 id = i;
Christopher Haster 34:9c26a3dcdc1f 71 _ids[i] = true;
sarahmarshy 18:9fc7976c7b27 72 break;
sarahmarshy 18:9fc7976c7b27 73 }
sarahmarshy 18:9fc7976c7b27 74 }
Christopher Haster 34:9c26a3dcdc1f 75
sam_grove 24:37504440f296 76 if (id == -1) {
Christopher Haster 34:9c26a3dcdc1f 77 return 0;
sarahmarshy 22:312453862371 78 }
bridadan 16:b2f781416464 79
Christopher Haster 40:83c6b4129468 80 return new ESP8266Interface::ESP8266Socket(&_esp, proto, id);
bridadan 16:b2f781416464 81 }
bridadan 16:b2f781416464 82
Christopher Haster 34:9c26a3dcdc1f 83 void ESP8266Interface::destroySocket(SocketInterface *iface)
sarahmarshy 18:9fc7976c7b27 84 {
Christopher Haster 40:83c6b4129468 85 ESP8266Interface::ESP8266Socket *socket = (ESP8266Interface::ESP8266Socket *)iface;
Christopher Haster 34:9c26a3dcdc1f 86 _ids[socket->getID()] = false;
Christopher Haster 39:7e85bf8003fa 87 delete socket;
sam_grove 13:0186e9e35a24 88 }
sam_grove 13:0186e9e35a24 89
Christopher Haster 40:83c6b4129468 90
Christopher Haster 40:83c6b4129468 91 // ESP8266Socket implementation
Christopher Haster 40:83c6b4129468 92 ESP8266Interface::ESP8266Socket::ESP8266Socket(
Christopher Haster 40:83c6b4129468 93 ESP8266 *esp,
Christopher Haster 40:83c6b4129468 94 socket_protocol_t proto,
Christopher Haster 40:83c6b4129468 95 int id)
Christopher Haster 40:83c6b4129468 96 : _esp(esp)
Christopher Haster 40:83c6b4129468 97 , _proto(proto)
Christopher Haster 40:83c6b4129468 98 , _id(id)
Christopher Haster 40:83c6b4129468 99 {
Christopher Haster 40:83c6b4129468 100 }
Christopher Haster 40:83c6b4129468 101
Christopher Haster 40:83c6b4129468 102 ESP8266Interface::ESP8266Socket::~ESP8266Socket()
Christopher Haster 40:83c6b4129468 103 {
Christopher Haster 40:83c6b4129468 104 }
Christopher Haster 40:83c6b4129468 105
Christopher Haster 40:83c6b4129468 106 int32_t ESP8266Interface::ESP8266Socket::open(const char *ip, uint16_t port)
Christopher Haster 40:83c6b4129468 107 {
Christopher Haster 40:83c6b4129468 108 const char *proto = (_proto == SOCK_UDP) ? "UDP" : "TCP";
Christopher Haster 40:83c6b4129468 109
Christopher Haster 40:83c6b4129468 110 if (!_esp->open(proto, _id, ip, port)) {
Christopher Haster 40:83c6b4129468 111 return -1;
Christopher Haster 40:83c6b4129468 112 }
Christopher Haster 40:83c6b4129468 113
Christopher Haster 40:83c6b4129468 114 return 0;
Christopher Haster 40:83c6b4129468 115 }
Christopher Haster 40:83c6b4129468 116
Christopher Haster 40:83c6b4129468 117 int32_t ESP8266Interface::ESP8266Socket::close()
Christopher Haster 40:83c6b4129468 118 {
Christopher Haster 40:83c6b4129468 119 if (!_esp->close(_id)) {
Christopher Haster 40:83c6b4129468 120 return -1;
Christopher Haster 40:83c6b4129468 121 }
Christopher Haster 40:83c6b4129468 122
Christopher Haster 40:83c6b4129468 123 return 0;
Christopher Haster 40:83c6b4129468 124 }
Christopher Haster 40:83c6b4129468 125
Christopher Haster 40:83c6b4129468 126 int32_t ESP8266Interface::ESP8266Socket::send(const void *data, uint32_t amount)
Christopher Haster 40:83c6b4129468 127 {
Christopher Haster 40:83c6b4129468 128 if (!_esp->send(_id, data, amount)) {
Christopher Haster 40:83c6b4129468 129 return -1;
Christopher Haster 40:83c6b4129468 130 }
Christopher Haster 40:83c6b4129468 131
Christopher Haster 40:83c6b4129468 132 return 0;
Christopher Haster 40:83c6b4129468 133 }
Christopher Haster 40:83c6b4129468 134
Christopher Haster 40:83c6b4129468 135 int32_t ESP8266Interface::ESP8266Socket::recv(void *data, uint32_t amount)
Christopher Haster 40:83c6b4129468 136 {
Christopher Haster 40:83c6b4129468 137 return _esp->recv(_id, data, amount);
Christopher Haster 40:83c6b4129468 138 }
Christopher Haster 40:83c6b4129468 139
Christopher Haster 40:83c6b4129468 140 int ESP8266Interface::ESP8266Socket::getID() const {
Christopher Haster 40:83c6b4129468 141 return _id;
Christopher Haster 40:83c6b4129468 142 }
Christopher Haster 40:83c6b4129468 143