Fork of the espurna firmware for `mhsw` switches
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/*
JustWifi
Wifi Manager for ESP8266
Copyright (C) 2016 by Xose Pérez <xose dot perez at gmail dot com>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "JustWifi.h"
#include <functional>
bool JustWifi::connected() {
return (WiFi.status() == WL_CONNECTED);
}
bool JustWifi::autoConnect() {
unsigned long timeout;
// Return if already connected
if (connected()) return true;
// Try to connect to last successful network
if (WiFi.SSID().length() > 0) {
ETS_UART_INTR_DISABLE();
wifi_station_disconnect();
ETS_UART_INTR_ENABLE();
_doCallback(MESSAGE_AUTO_CONNECTING, (char *) WiFi.SSID().c_str());
WiFi.mode(WIFI_STA);
WiFi.begin();
// Check connection with timeout
timeout = millis();
while (millis() - timeout < _connect_timeout) {
_doCallback(MESSAGE_CONNECT_WAITING);
if (WiFi.status() == WL_CONNECTED) break;
delay(100);
}
if (WiFi.status() == WL_CONNECTED) {
_mode = MODE_STATION;
_doCallback(MESSAGE_CONNECTED);
return true;
}
_doCallback(MESSAGE_AUTO_FAILED);
} else {
_doCallback(MESSAGE_AUTO_NOSSID);
}
_mode = MODE_NONE;
return false;
}
bool JustWifi::connect() {
unsigned long timeout;
// Return if already connected
if (connected()) return true;
// Loop through configured networks
for (unsigned char i=0; i<_network_count; i++) {
// Skip if no SSID defined
if (_network[i].ssid.length() == 0) continue;
// TODO: Static IP options here
// Connect
_doCallback(MESSAGE_CONNECTING, (char *) _network[i].ssid.c_str());
WiFi.begin(_network[i].ssid.c_str(), _network[i].pass.c_str());
// Check connection with timeout
timeout = millis();
while (millis() - timeout < _connect_timeout) {
_doCallback(MESSAGE_CONNECT_WAITING);
if (WiFi.status() == WL_CONNECTED) break;
delay(100);
}
// Get out of the i loop if connected
if (WiFi.status() == WL_CONNECTED) {
break;
} else {
_mode = MODE_NONE;
_doCallback(MESSAGE_CONNECT_FAILED, (char *) _network[i].ssid.c_str());
}
}
if (WiFi.status() == WL_CONNECTED) {
//WiFi.setAutoConnect(true);
//WiFi.setAutoReconnect(true);
_mode = MODE_STATION;
_doCallback(MESSAGE_CONNECTED);
return true;
}
return false;
}
bool JustWifi::startAP(char * ssid, char * pass) {
// Return if already connected
// if (connected()) return true;
// TODO: Static IP options here
_doCallback(MESSAGE_ACCESSPOINT_CREATING);
WiFi.mode(WIFI_AP);
if (strlen(pass) > 0) {
if (strlen(pass) < 8 || strlen(pass) > 63) {
_mode = MODE_NONE;
_doCallback(MESSAGE_ACCESSPOINT_FAILED);
return false;
}
WiFi.softAP(ssid, pass);
} else {
WiFi.softAP(ssid);
}
// TODO: Setup the DNS server redirecting all the queries to this IP
_ssid = String(ssid);
_mode = MODE_ACCESS_POINT;
_doCallback(MESSAGE_ACCESSPOINT_CREATED);
return true;
}
bool JustWifi::disconnect() {
WiFi.disconnect(true);
_mode = MODE_NONE;
_doCallback(MESSAGE_DISCONNECTED);
}
bool JustWifi::cleanNetworks() {
_network_count = 0;
}
bool JustWifi::addNetwork(char * ssid, char * pass) {
if (_network_count == MAX_NETWORKS) return false;
_network[_network_count].ssid = String(ssid);
_network[_network_count].pass = String(pass);
_network_count++;
return true;
}
justwifi_mode_t JustWifi::getMode() {
return _mode;
}
String JustWifi::getIP() {
if (_mode == MODE_STATION) {
return WiFi.localIP().toString();
} else if (_mode == MODE_ACCESS_POINT) {
return WiFi.softAPIP().toString();
}
return String("");
}
String JustWifi::getNetwork() {
if (_mode == MODE_STATION) {
return WiFi.SSID();
}
return _ssid;
}
void JustWifi::setConnectTimeout(unsigned long ms) {
_connect_timeout = ms;
}
void JustWifi::onMessage(TMessageFunction fn) {
_callback = fn;
}
void JustWifi::loop() {
if ((WiFi.status() != WL_CONNECTED) && (_mode == MODE_STATION)) {
_mode = MODE_NONE;
_doCallback(MESSAGE_DISCONNECTED);
}
if ((WiFi.status() == WL_CONNECTED) && (_mode != MODE_STATION)) {
_mode = MODE_STATION;
_doCallback(MESSAGE_CONNECTED);
}
}
void JustWifi::_doCallback(justwifi_messages_t message, char * parameter) {
if (_callback != NULL) _callback(message, parameter);
}