Domotique/WifiControlSensor/WebServer.ino
Mathieu Maret fc3fa2fc45 Can store BSSID and CHANNEL
This allow faster network connection.
Could be usefull for battery powered application
2018-12-19 22:36:19 +01:00

333 lines
14 KiB
C++

#ifndef CONFIG_DISABLE_WEB
#include <ESP8266HTTPUpdateServer.h>
ESP8266HTTPUpdateServer httpUpdater;
String gpioControlHTML = "";
String pwmControlHTML = "";
void WebBuildGpioObserved(String &html){
if (NB_ELEMENTS(gpioObserved) > 0){
html += "<fieldset>"
"<legend>Detector</legend>";
for (uint i = 0 ; i < NB_ELEMENTS(gpioObserved) ; i++) {
html += "Sensor " + String(gpioObserved[i]) + ": " + digitalRead(gpioObserved[i]) + "<br/>";
}
html += "</fieldset>";
}
}
void WebHandleRoot() {
String gpioObserved = "";
String optimiseConfig = "";
WebBuildGpioObserved(gpioObserved);
if(WiFi.status() == WL_CONNECTED){
optimiseConfig = "<a href=\"/setupPreConfig\">Optimize Config</a><br/>";
}
server.send(200, "text/html",
"<head><meta http-equiv=\"refresh\" content=\"" + String(CONFIG_SAMPLING_PERIODE_MS / 1000) + "\" ></head>"
"<h1>You are connected to " + String(conf.host) + "</h1>"
"<fieldset>"
"<legend>Sensors</legend>"
#ifdef CONFIG_ENABLE_BMP180
"Temperature " + String(temp, 2) + "C<br/>"
"Pressure " + String(pressure, 2) + "mB<br/>"
#endif
#ifdef CONFIG_ENABLE_DHT
"Temperature DHT " + String(dhtTemp, 0) + "C<br/>"
"Humidity DHT " + String(dhtHumidity, 0) + "%<br/>"
#endif
#ifdef CONFIG_ENABLE_DRY_SENSOR
"Dryness " + String((dryness*100)/1024) + "%<br/>"
#endif
"</fieldset>" + gpioControlHTML + gpioObserved + pwmControlHTML + "<fieldset>"
"<legend>Settings</legend>"
"<a href=\"/setup\">Enter Setup</a><br/>"
"<a href=\"/upload\">Update firmware</a><br/>" + optimiseConfig +
"MQTT Status: " + (MqttIsConnected() ? "Connected" : "Disconnected") + "<br/>"
#ifdef CONFIG_ENABLE_BMP180
"BMP 180 (Temp+Pression) Status: " + (BMP180IsConnected() ? "Connected" : "Disconnected") + "<br/>"
#endif
"Wifi Strength: " + WiFi.RSSI() + "dBm<br/>"
"Free space: " + ESP.getFreeSketchSpace() + "<br/>"
"Free heap: " + ESP.getFreeHeap() + "<br/>"
"Build the " + __DATE__ + " at " + __TIME__ + "<br/>"
"</fieldset>"
);
}
void WebSendError(const char *error) {
server.send(500, "text/plain", error);
}
void WebBuildSSIDList(String &datalist){
int n = WiFi.scanNetworks();
datalist = "<datalist id=\"scan_ssid\">";
// sort by RSSI
int indices[n];
for (int i = 0; i < n; i++) {
indices[i] = i;
}
for (int i = 0; i < n; i++) {
for (int j = i + 1; j < n; j++) {
if (WiFi.RSSI(indices[j]) > WiFi.RSSI(indices[i])) {
std::swap(indices[i], indices[j]);
}
}
}
for (int i = 0; i < n; ++i){
datalist += "<option value=\""+WiFi.SSID(indices[i])+"\">";
}
datalist += "</datalist>";
}
void WebHandleSetupPreConfig() {
conf.bssid =strdup( WiFi.BSSIDstr().c_str());
conf.channel = WiFi.channel();
conf.ip_mode = 1;
conf.ip = WiFi.localIP();
conf.mask = WiFi.subnetMask();
conf.gw = WiFi.gatewayIP();
conf.dns = WiFi.dnsIP();
conf.dns2 = WiFi.dnsIP(1);
WebHandleSetup();
}
void WebHandleSetup() {
String ssidlist;
WebBuildSSIDList(ssidlist);
server.send(200, "text/html", "<form action=\"/save\" method=\"get\">"
"<fieldset>"
"<legend>Wifi configuration:</legend>"
"<div><label for=\"ssid\">Wifi SSID: </label> <br/><input list=\"scan_ssid\" type=\"text\" name=\"ssid\" value=\"" + String(conf.ssid) + "\" /></div>"
"" + ssidlist + ""
"<div><label for=\"password\">Wifi Password: </label><br/><input type=\"password\" name=\"password\" style=\"border-color:red\" /> </div>"
"<div><label for=\"host\">Hostname: </label><br/><input type=\"text\" name=\"host\" value=\"" + String(conf.host) + "\" /> </div>"
"<div><label for=\"channel\">Channel (0 for auto): </label><br/><input type=\"text\" name=\"channel\" value=\"" + String(conf.channel) + "\" /> </div>"
"<div><label for=\"bssid\">BSSID (Empty for auto): </label><br/><input type=\"text\" name=\"bssid\" value=\"" + String(conf.bssid) + "\" /> </div>"
"</fieldset>"
"<fieldset>"
"<legend>IP Configuration</legend>"
"<div><input type=\"radio\" name=\"ip_config\" value=\"0\" checked>DHCP <input type=\"radio\" name=\"ip_config\" value=\"1\">Static</div>"
"<div><label for=\"ip\">Ip :</label><br/><input type=\"text\" name=\"ip\" value=\"" + (conf.ip == 0 ? "192.168.0.123": IPAddress(conf.ip).toString()) + "\" /> </div>"
"<div><label for=\"gw\">Gateway :</label><br/><input type=\"text\" name=\"gw\" value=\"" + (conf.gw == 0 ? "192.168.0.250": IPAddress(conf.gw).toString()) + "\" /> </div>"
"<div><label for=\"mask\">Netmask :</label><br/><input type=\"text\" name=\"mask\" value=\"" + (conf.mask == 0 ? "255.255.255.0": IPAddress(conf.mask).toString()) + "\" /> </div>"
"<div><label for=\"mask\">DNS :</label><br/><input type=\"text\" name=\"dns\" value=\"" + (conf.dns == 0 ? "192.168.0.250": IPAddress(conf.dns).toString()) + "\" /> </div>"
"<div><label for=\"mask\">DNS2 :</label><br/><input type=\"text\" name=\"dns2\" value=\"" + (conf.dns2 == 0 ? "": IPAddress(conf.dns2).toString()) + "\" /> </div>"
"</fieldset>"
"<fieldset>"
"<legend>MQTT:</legend>"
"<div><label for=\"mqttServer\">Server :</label><br/><input type=\"text\" name=\"mqttServer\" value=\"" + String(conf.mqttServer) + "\" /> </div>"
"<div><label for=\"mqttUser\">Username :</label><br/><input type=\"text\" name=\"mqttUser\" value=\"" + String(conf.mqttUser) + "\" /> </div>"
"<div><label for=\"mqttPasswd\">Password :</label><br/><input type=\"password\" name=\"mqttPasswd\" style=\"border-color:red\" /> </div>"
"<div><label for=\"mqttPort\">Port :</label><br/><input type=\"text\" name=\"mqttPort\" value=\"" + String(conf.mqttPort) + "\" /> (8883 for secure Mqtts) </div>"
"</fieldset>"
"<div class=\"button\"> <button type=\"submit\">Save</button></div>"
"</form>");
}
void WebHandleGpio() {
if (!server.hasArg("gpio") || !server.hasArg("value")) {
server.send(500, "text/plain", "Bad arguments\r\n");
return;
}
MqttChangeGpioValue(server.arg("gpio").toInt(), server.arg("value").toInt());
server.send(200, "text/html", "<h1>GPIO" + server.arg("gpio") + " changed to " + server.arg("value") + "</h1>");
}
void WebHandlePWM() {
if (!server.hasArg("gpio") || !server.hasArg("value")) {
server.send(500, "text/plain", "Bad arguments\r\n");
return;
}
MqttChangePWMValue(server.arg("gpio").toInt(), server.arg("value").toInt());
server.send(200, "text/html", "<h1>PWM" + server.arg("gpio") + " changed to " + server.arg("value") + "</h1>");
}
boolean WebSetIp(IPAddress &addr, const char *id, const char *error) {
if (server.arg(id) != "" && !addr.fromString(server.arg(id).c_str())) {
WebSendError(error);
return false;
}
return true;
}
void WebHandleSave() {
IPAddress ip;
IPAddress gw;
IPAddress mask;
IPAddress dns;
IPAddress dns2;
if (!server.hasArg("ssid") || !server.hasArg("password") || !server.hasArg("host")
|| !server.hasArg("mqttServer") || !server.hasArg("mqttUser") || !server.hasArg("mqttPasswd")
|| !server.hasArg("mqttPort") || !server.hasArg("ip_config") || !server.hasArg("ip")
|| !server.hasArg("gw") || !server.hasArg("mask") || !server.hasArg("dns")
|| !server.hasArg("dns2") || !server.hasArg("channel") || ! server.hasArg("bssid")) {
server.send(500, "text/plain", "Bad arguments\r\n");
return;
}
//Check Ip configuration
if (server.arg("ip_config").toInt() == 1) {
if (!WebSetIp(ip, "ip", "Incorrect IP") || !WebSetIp(gw, "gw", "Incorrect Gateway") || !WebSetIp(mask, "mask", "Incorrect NetMask") ||
!WebSetIp(dns, "dns", "Incorrect DNS") || !WebSetIp(dns2, "dns2", "Incorrect DNS2")) {
server.send(500, "text/plain", "Bad arguments\r\n");
return;
}
}
productConfig newConf = {BOOTMODE_NORMAL, strdup(server.arg("ssid").c_str()), strdup(server.arg("password").c_str()),
strdup(server.arg("host").c_str()), strdup(server.arg("mqttServer").c_str()), strdup(server.arg("mqttUser").c_str()),
strdup(server.arg("mqttPasswd").c_str()), server.arg("mqttPort").toInt(),
server.arg("ip_config").toInt(), static_cast<uint32_t>(ip), static_cast<uint32_t>(gw),
static_cast<uint32_t>(mask), static_cast<uint32_t>(dns), static_cast<uint32_t>(dns2), server.arg("channel").toInt(), strdup(server.arg("bssid").c_str())};
if (EepromSaveConfig(newConf) < 0) {
WebSendError("Cannot Save Credentials (Too long ?Contains \";\"?)\r\n");
return;
}
if(WiFi.softAPIP() != IPAddress((uint32_t)0)){
//In STA mode, we can test the AP connection
WiFi.begin(server.arg("ssid").c_str(), server.arg("password").c_str());
server.send(200, "text/html", "<h1>Configuration Saved</h1><br/>"
"<a href=\"/wifiStatus\">Check Wifi Configuration</a><br/>"
"<a href=\"/reboot\">Reboot</a><br/>");
}else{
server.send(200, "text/html", "<h1>Configuration Saved</h1><br/>"
"<a href=\"/reboot\">Reboot</a><br/>");
}
}
void WebHandleOTA() {
SKETCH_DEBUG_PRINTLN("Activating OTA mode");
server.send(200, "text/html", "<h1>Setting OTA mode</h1><br/>"
"Web ui will be disabled<br/>");
mode = BOOTMODE_OTA;
OTASetup();
}
void WebHandleNotFound() {
String message = "File Not Found\n\n";
message += "URI: ";
message += server.uri();
message += "\nMethod: ";
message += (server.method() == HTTP_GET) ? "GET" : "POST";
message += "\nArguments: ";
message += server.args();
message += "\n";
for (uint8_t i = 0; i < server.args(); i++) {
message += " " + server.argName(i) + ": " + server.arg(i) + "\n";
}
server.send(404, "text/plain", message);
}
void WebHandleReboot() {
SKETCH_DEBUG_PRINTLN("HTTP request to reboot");
server.send(200, "text/html", "<h1>Device Reboot</h1><br/>");
ESP.restart();
}
String statusToString(wl_status_t status) {
switch(status){
case WL_IDLE_STATUS: return String("Idle");
case WL_NO_SSID_AVAIL: return String("Wifi not found");
case WL_CONNECTED: return String("Connected");
case WL_CONNECT_FAILED: return String("Connection failed (Wrong password ?)");
case WL_CONNECTION_LOST: return String("Connection Lost");
case WL_DISCONNECTED: return String("Connecting");
default: return String(status);
}
}
void WebHandleWifiStatus() {
String message;
if(WiFi.status() == WL_DISCONNECTED)
message += "<head><meta http-equiv=\"refresh\" content=\"1\" ></head>";
message += "<h1>Wifi Connection Status</h1><br/>";
message += "Connection to ";
message += WiFi.SSID();
message += ":<br/>";
message += statusToString(WiFi.status());
message += "<br/>";
if(mode == BOOTMODE_SETUP && WiFi.status() == WL_CONNECTED){
message += "Wifi correctly setup! You can reboot now<br/>";
message += "<a href=\"/reboot\">Reboot</a><br/>";
}
if(WiFi.status() == WL_CONNECT_FAILED || WiFi.status() == WL_NO_SSID_AVAIL){
message += "Try to reconfigure you WiFi details<br/>";
message += "<a href=\"/setup\">Enter Setup</a><br/>";
}
server.send(200, "text/html", message);
}
void WebBuildGpioControl(){
if (NB_ELEMENTS(gpioControlled) > 0){
gpioControlHTML += "<fieldset>"
"<legend>Relay</legend>";
for (uint i = 0 ; i < NB_ELEMENTS(gpioControlled) ; i++) {
gpioControlHTML += "Relay " + String(gpioControlled[i]) + " " + "<a href=\"/gpio?gpio=" + String(gpioControlled[i]) + "&amp;value=1\">ON</a>/";
gpioControlHTML += "<a href=\"/gpio?gpio=" + String(gpioControlled[i]) + "&amp;value=0\">OFF</a><br/>";
}
gpioControlHTML += "</fieldset>";
}
}
void WebBuildPwmControl(){
if (NB_ELEMENTS(pwmControlled) > 0){
pwmControlHTML += "<fieldset>"
"<legend>PWM</legend>";
for (uint i = 0 ; i < NB_ELEMENTS(pwmControlled) ; i++) {
pwmControlHTML += "PWM " + String(pwmControlled[i]) + "<br/>";
pwmControlHTML += "<input type=\"range\" min=\"0\" max=\"1023\""
"style=\"background:#eee\""
"onChange=\"setPWM(this.value," + String(pwmControlled[i]) + ")\" />";
}
pwmControlHTML += "<script type=\"text/javascript\">"
"function setPWM(newValue, gpio){"
" var xmlHttp = new XMLHttpRequest();"
" xmlHttp.open( \"GET\", \"/pwm?gpio=\"+ gpio + \"&value=\" + newValue, true );" // false for synchronous request
" xmlHttp.send( null );}"
"</script>";
pwmControlHTML += "</fieldset>";
}
}
void WebSetupServer(int ) {
WebBuildGpioControl();
WebBuildPwmControl();
server.on("/", WebHandleRoot);
server.on("/setupPreConfig", WebHandleSetupPreConfig);
server.on("/setup", WebHandleSetup);
server.on("/save", WebHandleSave);
server.on("/gpio", WebHandleGpio);
server.on("/pwm", WebHandlePWM);
server.on("/otamode", WebHandleOTA);
server.on("/reboot", WebHandleReboot);
server.on("/wifiStatus", WebHandleWifiStatus);
server.onNotFound(WebHandleNotFound);
httpUpdater.setup(&server, "/upload");
server.begin();
SKETCH_DEBUG_PRINTLN("HTTP server started");
}
#else
void WebHandleRoot(){}
void WebHandleSetupPreConfig(){}
void WebHandleSetup(){}
void WebHandleGpio(){}
void WebHandleSave(){}
void WebHandleOTA(){}
void WebHandleNotFound(){}
void WebSetupServer(int bootmode){}
#endif