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Using esp8266-google-home-notifier library on ESP8266 to make Google Home speak!
sercret.h
#define SECRET
const char* ssid = "<WiFiSSID>";
const char* password = "<WiFiPassword>";
GoogleSay.ino
#include <ESP8266WiFi.h>
#include <WiFiClient.h>
#include <ESP8266WebServer.h>
#include <esp8266-google-home-notifier.h> //https://github.com/horihiro/esp8266-google-home-notifier
//https://github.com/horihiro/esp8266-google-tts
//#include "secret.h"
#include "version.h"
#define USE_WIFIMANAGER
#ifdef USE_WIFIMANAGER
#include <WiFiManager.h> //https://github.com/tzapu/WiFiManager
#else
#ifndef SECRET
const char* ssid = "<WiFiSSID>";
const char* password = "<WiFiPassword>";
#endif
#endif
const char GoogleHomeName[] = "Living Room speaker"; //Must match the name on Google Home APP
const char *host= "GoogleSay";
String ttstext = "Welcome to Esp8266 TTS";
ESP8266WebServer server(80);
GoogleHomeNotifier ghn;
void handleRoot() {
String webpage;
webpage = "<html>";
webpage += "<meta name='viewport' content='width=device-width,initial-scale=1' />";
webpage += "<head><title>Make Google Home Speak</title>";
webpage += "<style>";
webpage += "body { background-color: #E6E6FA; font-family: Arial, Helvetica, Sans-Serif; Color: blue;}";
webpage += "</style>";
webpage += "</head>";
webpage += "<body>";
webpage += "<br>";
webpage += "<form action='/processspeak' method='POST'>";
webpage += "<center><input type='text' name='search_input' value='" + ttstext + "' placeholder='Google Home Text' size='75' style='text-align:center;'></center><br>";
webpage += "<center><input type='submit' value='Speak!'></center>";
webpage += "</form>";
webpage += "</body>";
webpage += "</html>";
server.send(200, "text/html", webpage); // Send a response to the client asking for input
}
void processSpeak(){
if (server.args() > 0 and server.method() == HTTP_POST) { // Arguments were received
for ( uint8_t i = 0; i < server.args(); i++ ) {
Serial.print(server.argName(i)); // Display the argument
if (server.argName(i) == "search_input") {
Serial.print(" : ");
Serial.println(server.arg(i));
ttstext=server.arg(i);
if (ghn.notify(ttstext.c_str()) != true) {
Serial.println(ghn.getLastError());
return;
}
}
}
}
String t;
t += "<html>";
t += "<head>";
t += "<meta name='viewport' content='width=device-width,initial-scale=1' />";
t += "<meta http-equiv='Content-Type' content='text/html; charset=utf-8' />";
t += "<meta http-equiv='refresh' content='3;url=/'/>";
t += "</head>";
t += "<body>";
t += "<center><p>Saying: " + ttstext + "</p></center>";
t += "<br><center><a href='/'>Update again?</a></center>";
t += "</form>";
t += "</body>";
t += "</html>";
server.send(200, "text/html", t);
}
void handleNotFound() {
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 connectToGH(){
Serial.println("connecting to Google Home...");
if (ghn.device(GoogleHomeName, "en") != true) {
Serial.println(ghn.getLastError());
return;
}
Serial.print("found Google Home(");
Serial.print(ghn.getIPAddress());
Serial.print(":");
Serial.print(ghn.getPort());
Serial.println(")");
}
#ifndef USE_WIFIMANAGER
void connectWiFiConfig(void) {
Serial.println("\n"); Serial.print("Connecting to "); Serial.print(ssid);
WiFi.begin(ssid, password);
int wifi_loops=0, wifi_timeout = WIFI_TIMEOUT_DEF;
while (WiFi.status() != WL_CONNECTED) {
wifi_loops++; Serial.print("."); delay(500);
if (wifi_loops>wifi_timeout) software_reset();
}
Serial.println("connected");
Serial.print("IP address: ");
Serial.println(WiFi.localIP());
}
#else
void connectWiFiManager() {
WiFiManager wifiManager;
wifiManager.setDebugOutput(true);
wifiManager.setTimeout(180);
if (!wifiManager.autoConnect(const_cast<char*>(host))) {
Serial.println("failed to connect and hit timeout");
delay(3000);
//reset and try again, or maybe put it to deep sleep
ESP.restart();
delay(5000);
}
Serial.println("connected.");
Serial.print("IP address: ");
Serial.println(WiFi.localIP());
}
void resetWlan(){
Serial.printf("/reset_wlan\n");
server.send(200, "text/plain", "Resetting WLAN and restarting..." );
WiFiManager wifiManager;
wifiManager.resetSettings();
ESP.restart();
}
#endif
String ipToString(IPAddress ip){
String s="http:// ";
for (int i=0; i<4; i++)
s += i ? " dot " + String(ip[i]) : String(ip[i]);
return s;
}
void setup(void) {
Serial.begin(115200);
WiFi.mode(WIFI_STA);
#ifndef USE_WIFIMANAGER
connectWiFiConfig(); // Connect to WiFi
#else
connectWiFiManager(); // Connect to WiFi
#endif
server.on("/", handleRoot);
server.on("/processspeak", processSpeak);
#ifdef USE_WIFIMANAGER
server.on("/reset_wlan", resetWlan);
#endif
server.on("/version", [](){
String replyjson = "{\"version\":\"" + String(SKETCH_VERSION) + "\"}";
server.send(200, "application/json", replyjson);
});
server.onNotFound(handleNotFound);
server.begin();
Serial.println("HTTP server started");
if (MDNS.begin(host)) {
Serial.println("MDNS responder started");
}
connectToGH();
String init_text = "Goto " + ipToString(WiFi.localIP()) + " on your web browser to make me speak!";
if (ghn.notify(init_text.c_str()) != true) {
Serial.println(ghn.getLastError());
return;
}
Serial.println("Done.");
}
void loop(void) {
server.handleClient();
}