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Doorbell-Speaker now automatically reconnects to wifi

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Tilman
2020-01-23 14:46:23 +00:00
parent 20d53d41b6
commit b7828706e2
1 changed files with 93 additions and 88 deletions
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Doorbell-Speaker.ino
+91 -86
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@@ -7,23 +7,26 @@ https://github.com/pcbreflux/espressif/blob/master/esp32/arduino/sketchbook/ESP3
https://randomnerdtutorials.com/esp32-web-server-arduino-ide/ https://randomnerdtutorials.com/esp32-web-server-arduino-ide/
*/ */
/* Anmerkungen:
- Übertragung aus Arduino IDE mit Board "ESP32 Dev Module", siehe https://github.com/espressif/arduino-esp32/blob/master/docs/arduino-ide/boards_manager.md
- Zum Übertragen an das ESP-32-WROOM muss (manchmal?) der BOOT-Button gedrückt werden
*/
#include <Arduino.h> #include <Arduino.h>
#include "DFRobotDFPlayerMini.h" #include "DFRobotDFPlayerMini.h"
#include <WiFi.h> #include <WiFi.h>
HardwareSerial hwSerial(1); HardwareSerial hwSerial(1);
DFRobotDFPlayerMini dfPlayer; DFRobotDFPlayerMini dfPlayer;
int volume = 5; int volume = 22;
const char* ssid = "LeWe"; const char* ssid = "LeWe";
const char* password = "5275274365464843"; const char* password = "5275274365464843";
WiFiServer server(80); // Set web server port number to 80 WiFiServer server(80); // Set web server port number to 80
String header; String header;
String ledState = "";
const int ledPin = 26; const int ledPin = 26;
unsigned long timestamp = 0;
void setup() void setup()
@@ -32,10 +35,22 @@ void setup()
hwSerial.begin(9600, SERIAL_8N1, 18, 19); // speed, type, TX, RX hwSerial.begin(9600, SERIAL_8N1, 18, 19); // speed, type, TX, RX
Serial.begin(115200); Serial.begin(115200);
// WiFi & LED ==================================================================
pinMode(ledPin, OUTPUT); pinMode(ledPin, OUTPUT);
digitalWrite(ledPin, LOW); digitalWrite(ledPin, LOW);
Serial.println("Connecting to dfPlayer");
dfPlayer.begin(hwSerial); //Use softwareSerial to communicate with mp3
dfPlayer.setTimeOut(500); //Set serial communication time out 500ms
dfPlayer.volume(volume); //Set volume value (0~30).
dfPlayer.EQ(DFPLAYER_EQ_NORMAL);
dfPlayer.outputDevice(DFPLAYER_DEVICE_SD);
setupServer();
}
void setupServer() {
digitalWrite(ledPin, LOW);
// Connect to Wi-Fi network with SSID and password // Connect to Wi-Fi network with SSID and password
Serial.print("Connecting to "); Serial.print("Connecting to ");
Serial.println(ssid); Serial.println(ssid);
@@ -52,105 +67,95 @@ void setup()
server.begin(); server.begin();
delay(500); delay(500);
dfPlayer.begin(hwSerial); //Use softwareSerial to communicate with mp3
dfPlayer.setTimeOut(500); //Set serial communication time out 500ms
dfPlayer.volume(volume); //Set volume value (0~30).
dfPlayer.EQ(DFPLAYER_EQ_NORMAL);
dfPlayer.outputDevice(DFPLAYER_DEVICE_SD);
ledState = "on";
digitalWrite(ledPin, HIGH);
timestamp = millis();
dfPlayer.play(1); //Play the first mp3 dfPlayer.play(1); //Play the first mp3
digitalWrite(ledPin, HIGH);
Serial.println("Setup completed");
} }
void loop() { void loop() {
WiFiClient client = server.available(); // Listen for incoming clients if ((WiFi.status() == WL_CONNECTED)) {
if (ledState == "on" && (millis() - timestamp) > 2000) { WiFiClient client = server.available(); // Listen for incoming clients
ledState = "off";
digitalWrite(ledPin, LOW);
}
if (client) { if (client) {
String currentLine = ""; // make a String to hold incoming data from the client String currentLine = ""; // make a String to hold incoming data from the client
while (client.connected()) { // loop while the client's connected while (client.connected()) { // loop while the client's connected
if (client.available()) { // if there's bytes to read from the client, if (client.available()) { // if there's bytes to read from the client,
char c = client.read(); // read a byte, then char c = client.read(); // read a byte, then
Serial.write(c); // print it out the serial monitor Serial.write(c); // print it out the serial monitor
header += c; header += c;
if (c == '\n') { // if the byte is a newline character if (c == '\n') { // if the byte is a newline character
// if the current line is blank, you got two newline characters in a row. // if the current line is blank, you got two newline characters in a row.
// that's the end of the client HTTP request, so send a response: // that's the end of the client HTTP request, so send a response:
if (currentLine.length() == 0) { if (currentLine.length() == 0) {
// HTTP headers always start with a response code (e.g. HTTP/1.1 200 OK) // HTTP headers always start with a response code (e.g. HTTP/1.1 200 OK)
// and a content-type so the client knows what's coming, then a blank line: // and a content-type so the client knows what's coming, then a blank line:
client.println("HTTP/1.1 200 OK"); client.println("HTTP/1.1 200 OK");
client.println("Content-type:text/html"); client.println("Content-type:text/html");
client.println("Connection: close"); client.println("Connection: close");
client.println(); client.println();
// turns the GPIOs on and off // turns the GPIOs on and off
if (header.indexOf("GET /bell/on") >= 0) { if (header.indexOf("GET /bell/on") >= 0) {
ledState = "on"; dfPlayer.play(1); //Play the first mp3
digitalWrite(ledPin, HIGH);
timestamp = millis();
dfPlayer.play(1); //Play the first mp3
}
else if (header.indexOf("GET /volume/") >= 0) { // yes, I know this is not RESTful
String str1 = header;
str1 = str1.substring(header.indexOf("GET /volume/") + 12);
volume = str1.substring(0, str1.indexOf(" ")).toInt();
if (volume < 0) {
volume = 0;
} }
else if (volume > 30) { else if (header.indexOf("GET /volume/") >= 0) { // yes, I know this is not RESTful
volume = 30; String str1 = header;
str1 = str1.substring(header.indexOf("GET /volume/") + 12);
volume = str1.substring(0, str1.indexOf(" ")).toInt();
if (volume < 0) {
volume = 0;
}
else if (volume > 30) {
volume = 30;
}
dfPlayer.volume(volume);
Serial.print("volume set to ");
Serial.println(volume);
} }
dfPlayer.volume(volume); // Display the HTML web page
Serial.print("volume set to "); client.println("<!DOCTYPE html><html>");
Serial.println(volume); client.println("<head><meta name=\"viewport\" content=\"width=device-width, initial-scale=1\">");
client.println("<link rel=\"icon\" href=\"data:,\">");
client.println("<style>html { font-family: sans-serif; display: inline-block; margin: 0px auto; text-align: center; }");
client.println(".button { background-color: #4CAF50; border: none; color: white; padding: 16px 40px; text-decoration: none; font-size: 30px; margin: 2px; cursor: pointer;}");
client.println(".button2 { background-color: #4CAF50; border: none; color: white; padding: 4px 10px; text-decoration: none; margin: 1px; cursor: pointer;}</style></head>");
client.println("<body><h1>LeWe T&uuml;rklingel</h1>");
client.println("<p>Volume: <a href=\"/volume/" + String(volume-1) + "\"><button class=\"button2\">&minus;</button></a> " + String(volume) + " <a href=\"/volume/" + String(volume+1) + "\"><button class=\"button2\">&plus;</button></a></p>");
client.println("<p><a href=\"/bell/on\"><button class=\"button\">Klingeln</button></a></p>");
client.println("<p style='margin-top: 40px; font-size: 8px;'>dfplayer status: " + printDetail(dfPlayer.readType(), dfPlayer.read()) + "</p>");
client.println("</body></html>");
// The HTTP response ends with another blank line
client.println();
// Break out of the while loop
break;
} else { // if you got a newline, then clear currentLine
currentLine = "";
} }
} else if (c != '\r') { // if you got anything else but a carriage return character,
// Display the HTML web page currentLine += c; // add it to the end of the currentLine
client.println("<!DOCTYPE html><html>");
client.println("<head><meta name=\"viewport\" content=\"width=device-width, initial-scale=1\">");
client.println("<link rel=\"icon\" href=\"data:,\">");
client.println("<title>Doorbell</title>");
client.println("<style>html { font-family: sans-serif; display: inline-block; margin: 0px auto; text-align: center; }");
client.println(".button { background-color: #4CAF50; border: none; color: white; padding: 16px 40px; text-decoration: none; font-size: 30px; margin: 2px; cursor: pointer;}");
client.println(".button2 { background-color: #4CAF50; border: none; color: white; padding: 4px 10px; text-decoration: none; margin: 1px; cursor: pointer;}</style></head>");
client.println("<body><h1>LeWe T&uuml;rklingel</h1>");
client.println("<p>Volume: <a href=\"/volume/" + String(volume-1) + "\"><button class=\"button2\">&minus;</button></a> " + String(volume) + " <a href=\"/volume/" + String(volume+1) + "\"><button class=\"button2\">&plus;</button></a></p>");
client.println("<p><a href=\"/bell/on\"><button class=\"button\">Klingeln</button></a></p>");
client.println("<p style='margin-top: 40px; font-size: 8px;'>dfplayer status: " + printDetail(dfPlayer.readType(), dfPlayer.read()) + "</p>");
client.println("<p style='font-size: 8px;'>LED - State " + ledState + "</p>");
client.println("</body></html>");
// The HTTP response ends with another blank line
client.println();
// Break out of the while loop
break;
} else { // if you got a newline, then clear currentLine
currentLine = "";
} }
} else if (c != '\r') { // if you got anything else but a carriage return character,
currentLine += c; // add it to the end of the currentLine
} }
} }
// Clear the header variable
header = "";
// Close the connection
client.stop();
Serial.println("Client disconnected");
Serial.println("");
} }
// Clear the header variable }
header = ""; else {
// Close the connection Serial.println("Reconnecting...");
client.stop(); setupServer();
Serial.println("Client disconnected.");
Serial.println("");
} }
} }