test
Fork of ESP8266 by
ESP8266.cpp
- Committer:
- tgw
- Date:
- 2017-11-25
- Revision:
- 25:d288181f5944
- Parent:
- 21:1a9b555962b5
File content as of revision 25:d288181f5944:
/* ESP8266 Example * Copyright (c) 2015 ARM Limited * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #include "ESP8266.h" ESP8266::ESP8266(PinName tx, PinName rx, bool debug) : _serial(tx, rx, 1024), _parser(_serial) { _serial.baud(115200); _parser.debugOn(debug); } bool ESP8266::startup(int mode) { //only 3 valid modes if(mode < 1 || mode > 3) { return false; } return reset() && _parser.send("AT+CWMODE=%d", mode) && _parser.recv("OK") && _parser.send("AT+CIPMUX=1") && _parser.recv("OK"); } bool ESP8266::reset(void) { for (int i = 0; i < 2; i++) { if (_parser.send("AT+RST") && _parser.recv("OK\r\nready")) { return true; } } return false; } bool ESP8266::dhcp(bool enabled, int mode) { //only 3 valid modes if(mode < 0 || mode > 2) { return false; } return _parser.send("AT+CWDHCP=%d,%d", enabled?1:0, mode) && _parser.recv("OK"); } bool ESP8266::connect(const char *ap, const char *passPhrase) { return _parser.send("AT+CWJAP=\"%s\",\"%s\"", ap, passPhrase) && _parser.recv("OK"); } bool ESP8266::disconnect(void) { return _parser.send("AT+CWQAP") && _parser.recv("OK"); } const char *ESP8266::getIPAddress(void) { if (!(_parser.send("AT+CIFSR") && _parser.recv("+CIFSR:STAIP,\"%[^\"]\"", _ip_buffer) && _parser.recv("OK"))) { return 0; } return _ip_buffer; } const char *ESP8266::getMACAddress(void) { if (!(_parser.send("AT+CIFSR") && _parser.recv("+CIFSR:STAMAC,\"%[^\"]\"", _mac_buffer) && _parser.recv("OK"))) { return 0; } return _mac_buffer; } bool ESP8266::isConnected(void) { return getIPAddress() != 0; } bool ESP8266::open(const char *type, int id, const char* addr, int port) { //IDs only 0-4 if(id > 4) { return false; } return _parser.send("AT+CIPSTART=%d,\"%s\",\"%s\",%d", id, type, addr, port) && _parser.recv("OK"); } bool ESP8266::send(int id, const void *data, uint32_t amount) { //May take a second try if device is busy for (unsigned i = 0; i < 2; i++) { if (_parser.send("AT+CIPSEND=%d,%d", id, amount) && _parser.recv(">") && _parser.write((char*)data, (int)amount) >= 0) { return true; } } return false; } int32_t ESP8266::recv(int id, void *data, uint32_t amount) { uint32_t recv_amount; int recv_id; if (!(_parser.recv("+IPD,%d,%d:", &recv_id, &recv_amount) && recv_id == id && recv_amount <= amount && _parser.read((char*)data, recv_amount) && _parser.recv("OK"))) { return -1; } return recv_amount; } bool ESP8266::close(int id) { //May take a second try if device is busy for (unsigned i = 0; i < 2; i++) { if (_parser.send("AT+CIPCLOSE=%d", id) && _parser.recv("OK")) { return true; } } return false; } void ESP8266::setTimeout(uint32_t timeout_ms) { _parser.setTimeout(timeout_ms); } bool ESP8266::readable() { return _serial.readable(); } bool ESP8266::writeable() { return _serial.writeable(); }