Christopher Haster / ESP8266Interface

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Dependencies:   ESP8266

Fork of ESP8266Interface by NetworkSocketAPI

ESP8266Interface.cpp@41:3f4d5f4862d2, 2016-02-24 (annotated)

Committer:
Christopher Haster
Date:
Wed Feb 24 22:21:43 2016 -0600
Branch:
api-changes
Revision:
41:3f4d5f4862d2
Parent:
40:83c6b4129468
Child:
42:4bf09cadf328
Matched mbed coding standards

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 41:3f4d5f4862d2 35 if (!_esp.startup(3)) {
Christopher Haster 41:3f4d5f4862d2 36 return -1;
Christopher Haster 41:3f4d5f4862d2 37 }
Christopher Haster 41:3f4d5f4862d2 38
Christopher Haster 41:3f4d5f4862d2 39 if (!_esp.dhcp(true, 1)) {
Christopher Haster 41:3f4d5f4862d2 40 return -1;
Christopher Haster 41:3f4d5f4862d2 41 }
Christopher Haster 41:3f4d5f4862d2 42
Christopher Haster 41:3f4d5f4862d2 43 if (!_esp.connect(ap, pass_phrase)) {
Christopher Haster 41:3f4d5f4862d2 44 return -1;
Christopher Haster 41:3f4d5f4862d2 45 }
Christopher Haster 34:9c26a3dcdc1f 46
Christopher Haster 34:9c26a3dcdc1f 47 _ip_address = _esp.getIPAddress();
Christopher Haster 34:9c26a3dcdc1f 48 _mac_address = _esp.getMACAddress();
Christopher Haster 41:3f4d5f4862d2 49 if (!_ip_address || !_mac_address) {
Christopher Haster 41:3f4d5f4862d2 50 return -1;
Christopher Haster 41:3f4d5f4862d2 51 }
Christopher Haster 34:9c26a3dcdc1f 52
sam_grove 24:37504440f296 53 return 0;
sam_grove 11:288c15b80a26 54 }
sam_grove 11:288c15b80a26 55
Christopher Haster 34:9c26a3dcdc1f 56 int32_t ESP8266Interface::disconnect()
sam_grove 11:288c15b80a26 57 {
Christopher Haster 41:3f4d5f4862d2 58 if (!_esp.disconnect()) {
Christopher Haster 41:3f4d5f4862d2 59 return -1;
Christopher Haster 41:3f4d5f4862d2 60 }
Christopher Haster 34:9c26a3dcdc1f 61
sarahmarshy 22:312453862371 62 return 0;
sam_grove 11:288c15b80a26 63 }
sam_grove 11:288c15b80a26 64
Christopher Haster 34:9c26a3dcdc1f 65 const char *ESP8266Interface::getIPAddress()
sarahmarshy 18:9fc7976c7b27 66 {
Christopher Haster 34:9c26a3dcdc1f 67 return _ip_address;
sarahmarshy 18:9fc7976c7b27 68 }
sarahmarshy 18:9fc7976c7b27 69
Christopher Haster 34:9c26a3dcdc1f 70 const char *ESP8266Interface::getMACAddress()
sam_grove 11:288c15b80a26 71 {
Christopher Haster 34:9c26a3dcdc1f 72 return _mac_address;
sam_grove 11:288c15b80a26 73 }
sam_grove 11:288c15b80a26 74
Christopher Haster 34:9c26a3dcdc1f 75 SocketInterface *ESP8266Interface::createSocket(socket_protocol_t proto)
sam_grove 11:288c15b80a26 76 {
Christopher Haster 34:9c26a3dcdc1f 77 // Look for an unused socket
sarahmarshy 18:9fc7976c7b27 78 int id = -1;
Christopher Haster 34:9c26a3dcdc1f 79
Christopher Haster 34:9c26a3dcdc1f 80 for (int i = 0; i < ESP8266_SOCKET_COUNT; i++) {
Christopher Haster 34:9c26a3dcdc1f 81 if (!_ids[i]) {
sam_grove 24:37504440f296 82 id = i;
Christopher Haster 34:9c26a3dcdc1f 83 _ids[i] = true;
sarahmarshy 18:9fc7976c7b27 84 break;
sarahmarshy 18:9fc7976c7b27 85 }
sarahmarshy 18:9fc7976c7b27 86 }
Christopher Haster 34:9c26a3dcdc1f 87
sam_grove 24:37504440f296 88 if (id == -1) {
Christopher Haster 34:9c26a3dcdc1f 89 return 0;
sarahmarshy 22:312453862371 90 }
bridadan 16:b2f781416464 91
Christopher Haster 40:83c6b4129468 92 return new ESP8266Interface::ESP8266Socket(&_esp, proto, id);
bridadan 16:b2f781416464 93 }
bridadan 16:b2f781416464 94
Christopher Haster 34:9c26a3dcdc1f 95 void ESP8266Interface::destroySocket(SocketInterface *iface)
sarahmarshy 18:9fc7976c7b27 96 {
Christopher Haster 40:83c6b4129468 97 ESP8266Interface::ESP8266Socket *socket = (ESP8266Interface::ESP8266Socket *)iface;
Christopher Haster 34:9c26a3dcdc1f 98 _ids[socket->getID()] = false;
Christopher Haster 39:7e85bf8003fa 99 delete socket;
sam_grove 13:0186e9e35a24 100 }
sam_grove 13:0186e9e35a24 101
Christopher Haster 40:83c6b4129468 102
Christopher Haster 40:83c6b4129468 103 // ESP8266Socket implementation
Christopher Haster 40:83c6b4129468 104 ESP8266Interface::ESP8266Socket::ESP8266Socket(
Christopher Haster 40:83c6b4129468 105 ESP8266 *esp,
Christopher Haster 40:83c6b4129468 106 socket_protocol_t proto,
Christopher Haster 40:83c6b4129468 107 int id)
Christopher Haster 40:83c6b4129468 108 : _esp(esp)
Christopher Haster 40:83c6b4129468 109 , _proto(proto)
Christopher Haster 40:83c6b4129468 110 , _id(id)
Christopher Haster 40:83c6b4129468 111 {
Christopher Haster 40:83c6b4129468 112 }
Christopher Haster 40:83c6b4129468 113
Christopher Haster 40:83c6b4129468 114 ESP8266Interface::ESP8266Socket::~ESP8266Socket()
Christopher Haster 40:83c6b4129468 115 {
Christopher Haster 40:83c6b4129468 116 }
Christopher Haster 40:83c6b4129468 117
Christopher Haster 40:83c6b4129468 118 int32_t ESP8266Interface::ESP8266Socket::open(const char *ip, uint16_t port)
Christopher Haster 40:83c6b4129468 119 {
Christopher Haster 40:83c6b4129468 120 const char *proto = (_proto == SOCK_UDP) ? "UDP" : "TCP";
Christopher Haster 40:83c6b4129468 121
Christopher Haster 40:83c6b4129468 122 if (!_esp->open(proto, _id, ip, port)) {
Christopher Haster 40:83c6b4129468 123 return -1;
Christopher Haster 40:83c6b4129468 124 }
Christopher Haster 40:83c6b4129468 125
Christopher Haster 40:83c6b4129468 126 return 0;
Christopher Haster 40:83c6b4129468 127 }
Christopher Haster 40:83c6b4129468 128
Christopher Haster 40:83c6b4129468 129 int32_t ESP8266Interface::ESP8266Socket::close()
Christopher Haster 40:83c6b4129468 130 {
Christopher Haster 40:83c6b4129468 131 if (!_esp->close(_id)) {
Christopher Haster 40:83c6b4129468 132 return -1;
Christopher Haster 40:83c6b4129468 133 }
Christopher Haster 40:83c6b4129468 134
Christopher Haster 40:83c6b4129468 135 return 0;
Christopher Haster 40:83c6b4129468 136 }
Christopher Haster 40:83c6b4129468 137
Christopher Haster 40:83c6b4129468 138 int32_t ESP8266Interface::ESP8266Socket::send(const void *data, uint32_t amount)
Christopher Haster 40:83c6b4129468 139 {
Christopher Haster 40:83c6b4129468 140 if (!_esp->send(_id, data, amount)) {
Christopher Haster 40:83c6b4129468 141 return -1;
Christopher Haster 40:83c6b4129468 142 }
Christopher Haster 40:83c6b4129468 143
Christopher Haster 40:83c6b4129468 144 return 0;
Christopher Haster 40:83c6b4129468 145 }
Christopher Haster 40:83c6b4129468 146
Christopher Haster 40:83c6b4129468 147 int32_t ESP8266Interface::ESP8266Socket::recv(void *data, uint32_t amount)
Christopher Haster 40:83c6b4129468 148 {
Christopher Haster 40:83c6b4129468 149 return _esp->recv(_id, data, amount);
Christopher Haster 40:83c6b4129468 150 }
Christopher Haster 40:83c6b4129468 151
Christopher Haster 40:83c6b4129468 152 int ESP8266Interface::ESP8266Socket::getID() const {
Christopher Haster 40:83c6b4129468 153 return _id;
Christopher Haster 40:83c6b4129468 154 }
Christopher Haster 40:83c6b4129468 155