涂 桂旺 / ESP8266

test

Dependencies:   ATParser

Fork of ESP8266 by NetworkSocketAPI

ESP8266.cpp@18:11f2f6bd2e97, 2016-02-18 (annotated)

Committer:
Christopher Haster
Date:
Thu Feb 18 16:11:03 2016 -0600
Revision:
18:11f2f6bd2e97
Parent:
17:8b541b19f391
Child:
20:32e5a5a328e0
Backported changes to espressif driver

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Christopher Haster 17:8b541b19f391 1 /* ESP8266 Example
Christopher Haster 17:8b541b19f391 2 * Copyright (c) 2015 ARM Limited
Christopher Haster 17:8b541b19f391 3 *
Christopher Haster 17:8b541b19f391 4 * Licensed under the Apache License, Version 2.0 (the "License");
Christopher Haster 17:8b541b19f391 5 * you may not use this file except in compliance with the License.
Christopher Haster 17:8b541b19f391 6 * You may obtain a copy of the License at
Christopher Haster 17:8b541b19f391 7 *
Christopher Haster 17:8b541b19f391 8 * http://www.apache.org/licenses/LICENSE-2.0
Christopher Haster 17:8b541b19f391 9 *
Christopher Haster 17:8b541b19f391 10 * Unless required by applicable law or agreed to in writing, software
Christopher Haster 17:8b541b19f391 11 * distributed under the License is distributed on an "AS IS" BASIS,
Christopher Haster 17:8b541b19f391 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
Christopher Haster 17:8b541b19f391 13 * See the License for the specific language governing permissions and
Christopher Haster 17:8b541b19f391 14 * limitations under the License.
Christopher Haster 17:8b541b19f391 15 */
Christopher Haster 17:8b541b19f391 16
Christopher Haster 17:8b541b19f391 17 #include "ESP8266.h"
Christopher Haster 17:8b541b19f391 18
Christopher Haster 18:11f2f6bd2e97 19 ESP8266::ESP8266(PinName tx, PinName rx, bool debug)
Christopher Haster 18:11f2f6bd2e97 20 : _serial(tx, rx, 1024), _parser(_serial)
Christopher Haster 17:8b541b19f391 21 {
Christopher Haster 18:11f2f6bd2e97 22 _serial.baud(115200);
Christopher Haster 18:11f2f6bd2e97 23 _parser.debugOn(debug);
Christopher Haster 17:8b541b19f391 24 }
Christopher Haster 17:8b541b19f391 25
Christopher Haster 18:11f2f6bd2e97 26 bool ESP8266::startup(int mode)
Christopher Haster 17:8b541b19f391 27 {
Christopher Haster 17:8b541b19f391 28 //only 3 valid modes
Christopher Haster 17:8b541b19f391 29 if(mode < 1 || mode > 3) {
Christopher Haster 17:8b541b19f391 30 return false;
Christopher Haster 17:8b541b19f391 31 }
Christopher Haster 17:8b541b19f391 32
Christopher Haster 18:11f2f6bd2e97 33 return reset()
Christopher Haster 18:11f2f6bd2e97 34 && _parser.send("AT+CWMODE=%d", mode)
Christopher Haster 18:11f2f6bd2e97 35 && _parser.recv("OK")
Christopher Haster 18:11f2f6bd2e97 36 && _parser.send("AT+CIPMUX=1")
Christopher Haster 18:11f2f6bd2e97 37 && _parser.recv("OK");
Christopher Haster 17:8b541b19f391 38 }
Christopher Haster 17:8b541b19f391 39
Christopher Haster 18:11f2f6bd2e97 40 bool ESP8266::reset(void)
Christopher Haster 17:8b541b19f391 41 {
Christopher Haster 18:11f2f6bd2e97 42 return _parser.send("AT+RST")
Christopher Haster 18:11f2f6bd2e97 43 && _parser.recv("OK\r\nready");
Christopher Haster 17:8b541b19f391 44 }
Christopher Haster 17:8b541b19f391 45
Christopher Haster 18:11f2f6bd2e97 46 bool ESP8266::dhcp(bool enabled, int mode)
Christopher Haster 17:8b541b19f391 47 {
Christopher Haster 17:8b541b19f391 48 //only 3 valid modes
Christopher Haster 17:8b541b19f391 49 if(mode < 0 || mode > 2) {
Christopher Haster 17:8b541b19f391 50 return false;
Christopher Haster 17:8b541b19f391 51 }
Christopher Haster 18:11f2f6bd2e97 52
Christopher Haster 18:11f2f6bd2e97 53 return _parser.send("AT+CWDHCP=%d,%d", enabled?1:0, mode)
Christopher Haster 18:11f2f6bd2e97 54 && _parser.recv("OK");
Christopher Haster 17:8b541b19f391 55 }
Christopher Haster 17:8b541b19f391 56
Christopher Haster 17:8b541b19f391 57 bool ESP8266::connect(const char *ap, const char *passPhrase)
Christopher Haster 17:8b541b19f391 58 {
Christopher Haster 18:11f2f6bd2e97 59 return _parser.send("AT+CWJAP=\"%s\",\"%s\"", ap, passPhrase)
Christopher Haster 18:11f2f6bd2e97 60 && _parser.recv("OK");
Christopher Haster 17:8b541b19f391 61 }
Christopher Haster 17:8b541b19f391 62
Christopher Haster 17:8b541b19f391 63 bool ESP8266::disconnect(void)
Christopher Haster 17:8b541b19f391 64 {
Christopher Haster 18:11f2f6bd2e97 65 return _parser.send("AT+CWQAP") && _parser.recv("OK");
Christopher Haster 17:8b541b19f391 66 }
Christopher Haster 17:8b541b19f391 67
Christopher Haster 18:11f2f6bd2e97 68 const char *ESP8266::getIPAddress(void)
Christopher Haster 17:8b541b19f391 69 {
Christopher Haster 18:11f2f6bd2e97 70 if (!(_parser.send("AT+CIFSR")
Christopher Haster 18:11f2f6bd2e97 71 && _parser.recv("+CIFSR:STAIP,\"%[^\"]\"", _ip_buffer)
Christopher Haster 18:11f2f6bd2e97 72 && _parser.recv("OK"))) {
Christopher Haster 18:11f2f6bd2e97 73 return 0;
Christopher Haster 18:11f2f6bd2e97 74 }
Christopher Haster 18:11f2f6bd2e97 75
Christopher Haster 18:11f2f6bd2e97 76 return _ip_buffer;
Christopher Haster 18:11f2f6bd2e97 77 }
Christopher Haster 18:11f2f6bd2e97 78
Christopher Haster 18:11f2f6bd2e97 79 const char *ESP8266::getMACAddress(void)
Christopher Haster 18:11f2f6bd2e97 80 {
Christopher Haster 18:11f2f6bd2e97 81 if (!(_parser.send("AT+CIFSR")
Christopher Haster 18:11f2f6bd2e97 82 && _parser.recv("+CIFSR:STAMAC,\"%[^\"]\"", _mac_buffer)
Christopher Haster 18:11f2f6bd2e97 83 && _parser.recv("OK"))) {
Christopher Haster 18:11f2f6bd2e97 84 return 0;
Christopher Haster 18:11f2f6bd2e97 85 }
Christopher Haster 18:11f2f6bd2e97 86
Christopher Haster 18:11f2f6bd2e97 87 return _mac_buffer;
Christopher Haster 17:8b541b19f391 88 }
Christopher Haster 17:8b541b19f391 89
Christopher Haster 17:8b541b19f391 90 bool ESP8266::isConnected(void)
Christopher Haster 17:8b541b19f391 91 {
Christopher Haster 18:11f2f6bd2e97 92 return getIPAddress() != 0;
Christopher Haster 17:8b541b19f391 93 }
Christopher Haster 17:8b541b19f391 94
Christopher Haster 18:11f2f6bd2e97 95 bool ESP8266::open(const char *type, int id, const char* addr, int port)
Christopher Haster 17:8b541b19f391 96 {
Christopher Haster 17:8b541b19f391 97 //IDs only 0-4
Christopher Haster 17:8b541b19f391 98 if(id > 4) {
Christopher Haster 17:8b541b19f391 99 return false;
Christopher Haster 17:8b541b19f391 100 }
Christopher Haster 17:8b541b19f391 101
Christopher Haster 18:11f2f6bd2e97 102 return _parser.send("AT+CIPSTART=%d,\"%s\",\"%s\",%d", id, type, addr, port)
Christopher Haster 18:11f2f6bd2e97 103 && _parser.recv("OK");
Christopher Haster 17:8b541b19f391 104 }
Christopher Haster 17:8b541b19f391 105
Christopher Haster 18:11f2f6bd2e97 106 bool ESP8266::send(int id, const void *data, uint32_t amount)
Christopher Haster 17:8b541b19f391 107 {
Christopher Haster 18:11f2f6bd2e97 108 //May take a second try if device is busy
Christopher Haster 18:11f2f6bd2e97 109 for (unsigned i = 0; i < 2; i++) {
Christopher Haster 18:11f2f6bd2e97 110 if (_parser.send("AT+CIPSEND=%d,%d", id, amount)
Christopher Haster 18:11f2f6bd2e97 111 && _parser.recv(">")
Christopher Haster 18:11f2f6bd2e97 112 && _parser.write((char*)data, (int)amount) >= 0) {
Christopher Haster 18:11f2f6bd2e97 113 return true;
Christopher Haster 18:11f2f6bd2e97 114 }
Christopher Haster 18:11f2f6bd2e97 115 }
Christopher Haster 17:8b541b19f391 116
Christopher Haster 18:11f2f6bd2e97 117 return false;
Christopher Haster 17:8b541b19f391 118 }
Christopher Haster 17:8b541b19f391 119
Christopher Haster 18:11f2f6bd2e97 120 int32_t ESP8266::recv(int id, void *data, uint32_t amount)
Christopher Haster 17:8b541b19f391 121 {
Christopher Haster 18:11f2f6bd2e97 122 uint32_t recv_amount;
Christopher Haster 18:11f2f6bd2e97 123 int recv_id;
Christopher Haster 18:11f2f6bd2e97 124
Christopher Haster 18:11f2f6bd2e97 125 if (!(_parser.recv("+IPD,%d,%d:", &recv_id, &recv_amount)
Christopher Haster 18:11f2f6bd2e97 126 && recv_id == id
Christopher Haster 18:11f2f6bd2e97 127 && recv_amount <= amount
Christopher Haster 18:11f2f6bd2e97 128 && _parser.read((char*)data, recv_amount)
Christopher Haster 18:11f2f6bd2e97 129 && _parser.recv("OK"))) {
Christopher Haster 18:11f2f6bd2e97 130 return -1;
Christopher Haster 17:8b541b19f391 131 }
Christopher Haster 18:11f2f6bd2e97 132
Christopher Haster 18:11f2f6bd2e97 133 return recv_amount;
Christopher Haster 17:8b541b19f391 134 }
Christopher Haster 17:8b541b19f391 135
Christopher Haster 17:8b541b19f391 136 bool ESP8266::close(int id)
Christopher Haster 17:8b541b19f391 137 {
Christopher Haster 17:8b541b19f391 138 //IDs only 0-4
Christopher Haster 17:8b541b19f391 139 if(id > 4) {
Christopher Haster 17:8b541b19f391 140 return false;
Christopher Haster 17:8b541b19f391 141 }
Christopher Haster 17:8b541b19f391 142
Christopher Haster 18:11f2f6bd2e97 143 return _parser.send("AT+CIPCLOSE=%d", id)
Christopher Haster 18:11f2f6bd2e97 144 && _parser.recv("OK");
Christopher Haster 17:8b541b19f391 145 }
Christopher Haster 17:8b541b19f391 146
Christopher Haster 17:8b541b19f391 147 void ESP8266::setTimeout(uint32_t timeout_ms)
Christopher Haster 17:8b541b19f391 148 {
Christopher Haster 18:11f2f6bd2e97 149 _parser.setTimeout(timeout_ms);
Christopher Haster 18:11f2f6bd2e97 150 }
Christopher Haster 18:11f2f6bd2e97 151
Christopher Haster 18:11f2f6bd2e97 152 bool ESP8266::readable()
Christopher Haster 18:11f2f6bd2e97 153 {
Christopher Haster 18:11f2f6bd2e97 154 return _serial.readable();
Christopher Haster 18:11f2f6bd2e97 155 }
Christopher Haster 18:11f2f6bd2e97 156
Christopher Haster 18:11f2f6bd2e97 157 bool ESP8266::writeable()
Christopher Haster 18:11f2f6bd2e97 158 {
Christopher Haster 18:11f2f6bd2e97 159 return _serial.writeable();
Christopher Haster 18:11f2f6bd2e97 160 }
Christopher Haster 18:11f2f6bd2e97 161