void servoCommand(YunClient client) {
int pin;
int value;
// Get the servo Pin
pin = client.parseInt();
// Check if the url string contains a value (/servo/6/VALUE)
if (client.read() == '/') {
value = client.parseInt();
// projector
if (pin == 6) {
projector.write(value);
if (value == 0) { // projector on
mqttClient.publish("Aurduino/HomeAutomation.Servo/100/event","{'Value':'1'}");
} else {
mqttClient.publish("Aurduino/HomeAutomation.Servo/100/event","{'Value':'0'}");
}
}
}
}
void digitalCommand(YunClient client) {
int pin, value;
// Read pin number
pin = client.parseInt();
// If the next character is a '/' it means we have an URL
// with a value like: "/digital/13/1"
if (client.read() == '/') {
value = client.parseInt();
digitalWrite(pin, value);
}
else {
value = digitalRead(pin);
}
// Send feedback to client
client.print(F("Pin D"));
client.print(pin);
client.print(F(" set to "));
client.println(value);
// Update datastore key with the current pin value
String key = "D";
key += pin;
Bridge.put(key, String(value));
}
void process(YunClient client) {
String command = client.readStringUntil('/');
// Check if the url contains the word "servo"
if (command == "servo") {
servoCommand(client);
}
}
void loop() {
if (!mqttClient.connected()) {
long now = millis();
if (now - lastReconnectAttempt > 5000) {
lastReconnectAttempt = now;
// Attempt to reconnect
if (reconnect()) {
lastReconnectAttempt = 0;
}
}
} else {
mqttClient.loop();
}
YunClient client = server.accept();
if (client) {
process(client);
client.stop();
}
long audioSensorNow = millis();
if (audioSensorNow - lastAudioSensorPublish > 25) {
lastAudioSensorPublish = audioSensorNow;
sound_value = analogRead(soundAnalogPin);
if (sound_value) {
String str = "{'Value':'";
str += sound_value;
str = str + "'}";
int str_len = str.length() + 1;
char char_array[str_len];
str.toCharArray(char_array, str_len);
mqttClient.publish("Aurduino/HomeAutomation.Audio/102/event",char_array);
}
}
}
void analogCommand(YunClient client) {
int pin, value;
// Read pin number
pin = client.parseInt();
// If the next character is a '/' it means we have an URL
// with a value like: "/analog/5/120"
if (client.read() == '/') {
// Read value and execute command
value = client.parseInt();
analogWrite(pin, value);
// Send feedback to client
client.print(F("Pin D"));
client.print(pin);
client.print(F(" set to analog "));
client.println(value);
// Update datastore key with the current pin value
String key = "D";
key += pin;
Bridge.put(key, String(value));
}
else {
// Read analog pin
value = analogRead(pin);
// Send feedback to client
client.print(F("Pin A"));
client.print(pin);
client.print(F(" reads analog "));
client.println(value);
// Update datastore key with the current pin value
String key = "A";
key += pin;
Bridge.put(key, String(value));
}
}
void modeCommand(YunClient client) {
int pin;
// Read pin number
pin = client.parseInt();
// If the next character is not a '/' we have a malformed URL
if (client.read() != '/') {
client.println(F("error"));
return;
}
String mode = client.readStringUntil('\r');
if (mode == "input") {
pinMode(pin, INPUT);
// Send feedback to client
client.print(F("Pin D"));
client.print(pin);
client.print(F(" configured as INPUT!"));
return;
}
if (mode == "output") {
pinMode(pin, OUTPUT);
// Send feedback to client
client.print(F("Pin D"));
client.print(pin);
client.print(F(" configured as OUTPUT!"));
return;
}
client.print(F("error: invalid mode "));
client.print(mode);
}