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200 lines
4.8 KiB
200 lines
4.8 KiB
/*
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JustWifi
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Wifi Manager for ESP8266
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Copyright (C) 2016 by Xose Pérez <xose dot perez at gmail dot com>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "JustWifi.h"
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#include <functional>
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bool JustWifi::connected() {
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return (WiFi.status() == WL_CONNECTED);
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}
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bool JustWifi::autoConnect() {
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// Return if already connected
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if (connected()) return true;
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// Try to connect to last successful network
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WiFi.mode(WIFI_STA);
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if (WiFi.SSID()) {
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_doCallback(MESSAGE_AUTO_CONNECTING, (char *) WiFi.SSID().c_str());
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ETS_UART_INTR_DISABLE();
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wifi_station_disconnect();
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ETS_UART_INTR_ENABLE();
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WiFi.begin();
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if (WiFi.status() == WL_CONNECTED) {
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_mode = MODE_STATION;
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_doCallback(MESSAGE_CONNECTED);
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return true;
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}
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_doCallback(MESSAGE_AUTO_FAILED);
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} else {
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_doCallback(MESSAGE_AUTO_NOSSID);
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}
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_mode = MODE_NONE;
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return false;
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}
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bool JustWifi::connect() {
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unsigned long timeout;
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// Return if already connected
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if (connected()) return true;
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// Loop through configured networks
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for (unsigned char i=0; i<_network_count; i++) {
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// TODO: Static IP options here
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// Connect
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_doCallback(MESSAGE_CONNECTING, (char *) _network[i].ssid.c_str());
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WiFi.begin(_network[i].ssid.c_str(), _network[i].pass.c_str());
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// Check connection with timeout
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timeout = millis();
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while (millis() - timeout < _connect_timeout) {
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_doCallback(MESSAGE_CONNECT_WAITING);
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if (WiFi.status() == WL_CONNECTED) break;
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delay(100);
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}
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// Get out of the i loop if connected
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if (WiFi.status() == WL_CONNECTED) {
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break;
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} else {
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_mode = MODE_NONE;
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_doCallback(MESSAGE_CONNECT_FAILED, (char *) _network[i].ssid.c_str());
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}
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}
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if (WiFi.status() == WL_CONNECTED) {
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//WiFi.setAutoConnect(true);
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//WiFi.setAutoReconnect(true);
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_mode = MODE_STATION;
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_doCallback(MESSAGE_CONNECTED);
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return true;
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}
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return false;
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}
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bool JustWifi::startAP(char * ssid, char * pass) {
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// Return if already connected
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// if (connected()) return true;
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// TODO: Static IP options here
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_doCallback(MESSAGE_ACCESSPOINT_CREATING);
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WiFi.mode(WIFI_AP);
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if (strlen(pass) > 0) {
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if (strlen(pass) < 8 || strlen(pass) > 63) {
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_mode = MODE_NONE;
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_doCallback(MESSAGE_ACCESSPOINT_FAILED);
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return false;
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}
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WiFi.softAP(ssid, pass);
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} else {
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WiFi.softAP(ssid);
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}
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// TODO: Setup the DNS server redirecting all the queries to this IP
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_ssid = String(ssid);
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_mode = MODE_ACCESS_POINT;
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_doCallback(MESSAGE_ACCESSPOINT_CREATED);
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return true;
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}
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bool JustWifi::disconnect() {
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WiFi.disconnect(true);
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_mode = MODE_NONE;
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_doCallback(MESSAGE_DISCONNECTED);
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}
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bool JustWifi::cleanNetworks() {
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_network_count = 0;
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}
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bool JustWifi::addNetwork(char * ssid, char * pass) {
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if (_network_count == MAX_NETWORKS) return false;
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_network[_network_count].ssid = String(ssid);
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_network[_network_count].pass = String(pass);
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_network_count++;
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return true;
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}
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justwifi_mode_t JustWifi::getMode() {
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return _mode;
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}
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String JustWifi::getIP() {
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if (_mode == MODE_STATION) {
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return WiFi.localIP().toString();
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} else if (_mode == MODE_ACCESS_POINT) {
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return WiFi.softAPIP().toString();
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}
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return String("");
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}
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String JustWifi::getNetwork() {
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if (_mode == MODE_STATION) {
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return WiFi.SSID();
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}
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return _ssid;
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}
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void JustWifi::setConnectTimeout(unsigned long ms) {
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_connect_timeout = ms;
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}
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void JustWifi::onMessage(TMessageFunction fn) {
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_callback = fn;
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}
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void JustWifi::loop() {
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if ((WiFi.status() != WL_CONNECTED) && (_mode == MODE_STATION)) {
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_mode = MODE_NONE;
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_doCallback(MESSAGE_DISCONNECTED);
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}
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if ((WiFi.status() == WL_CONNECTED) && (_mode != MODE_STATION)) {
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_mode = MODE_STATION;
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_doCallback(MESSAGE_CONNECTED);
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}
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}
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void JustWifi::_doCallback(justwifi_messages_t message, char * parameter) {
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if (_callback != NULL) _callback(message, parameter);
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}
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