fix comments
This commit is contained in:
parent
8e71160516
commit
0bc473da09
65
things.ino
65
things.ino
@ -60,16 +60,16 @@ void toggle_led() {
|
||||
void configModeCallback (WiFiManager *myWiFiManager) {
|
||||
Serial.println("Entered config mode");
|
||||
Serial.println(WiFi.softAPIP());
|
||||
//if you used auto generated SSID, print it
|
||||
Serial.println(myWiFiManager->getConfigPortalSSID());
|
||||
//entered config mode, make led toggle faster
|
||||
ticker.attach(0.1, toggle_led);
|
||||
ticker.attach(0.1, toggle_led); // toggle led faster
|
||||
}
|
||||
|
||||
// compare float values
|
||||
bool isEqual(float a, float b, float epsilon=0.001) {
|
||||
return fabs(a - b) <= epsilon * fabs(a);
|
||||
}
|
||||
|
||||
// concatenate MQTT topic prefix to individual topic
|
||||
char* topic(const char* this_topic) {
|
||||
static char topic[34];
|
||||
strcpy(topic, mqtt_topic);
|
||||
@ -78,6 +78,7 @@ char* topic(const char* this_topic) {
|
||||
return topic;
|
||||
}
|
||||
|
||||
// get values from DHT sensor
|
||||
void read_sensor() {
|
||||
// wait at least 2 seconds seconds between measurements
|
||||
unsigned long currentMillis = millis();
|
||||
@ -89,8 +90,6 @@ void read_sensor() {
|
||||
float previousHeatindex = heatindex;
|
||||
humidity = dht.readHumidity(); // read humidity as a percent
|
||||
temperature = dht.readTemperature(); // read temperature as Celsius
|
||||
|
||||
// compute heat index
|
||||
heatindex = dht.computeHeatIndex(temperature, humidity, false);
|
||||
|
||||
// check if any reads failed and exit early (to try again)
|
||||
@ -126,7 +125,8 @@ void read_sensor() {
|
||||
}
|
||||
}
|
||||
|
||||
void callback(char* topic, byte* payload, unsigned int length) {
|
||||
// callback for MQTT, gets called if we receive a message
|
||||
void mqtt_callback(char* topic, byte* payload, unsigned int length) {
|
||||
Serial.print("Message arrived [");
|
||||
Serial.print(topic);
|
||||
Serial.print("] ");
|
||||
@ -135,26 +135,25 @@ void callback(char* topic, byte* payload, unsigned int length) {
|
||||
}
|
||||
Serial.println();
|
||||
|
||||
// Switch on the LED if an 1 was received as first character
|
||||
// switch on the LED if an 1 was received as first character
|
||||
if ((char)payload[0] == '1') {
|
||||
Serial.println("setting LED to low");
|
||||
digitalWrite(BUILTIN_LED, LOW); // Turn the LED on (Note that LOW is the voltage level
|
||||
// but actually the LED is on; this is because
|
||||
// it is acive low on the ESP-01)
|
||||
digitalWrite(BUILTIN_LED, LOW); // turn the LED on
|
||||
} else {
|
||||
Serial.println("setting LED to high");
|
||||
digitalWrite(BUILTIN_LED, HIGH); // Turn the LED off by making the voltage HIGH
|
||||
digitalWrite(BUILTIN_LED, HIGH); // turn the LED off
|
||||
}
|
||||
}
|
||||
|
||||
void reconnect() {
|
||||
// Loop until we're reconnected
|
||||
// make sure we're connected to MQTT broker
|
||||
void mqtt_reconnect() {
|
||||
// loop until we're reconnected
|
||||
while (!client.connected()) {
|
||||
Serial.print("Attempting MQTT connection...");
|
||||
// Attempt to connect
|
||||
// attempt to connect
|
||||
if (client.connect(wifi_station_get_hostname(), topic("online"), MQTTQOS1, true, "0")) {
|
||||
Serial.println("connected");
|
||||
// Once connected, publish an announcement...
|
||||
// once connected, publish an announcement...
|
||||
client.publish(topic("online"), "1");
|
||||
// ... and resubscribe:
|
||||
client.subscribe("inTopic");
|
||||
@ -162,12 +161,12 @@ void reconnect() {
|
||||
Serial.print("failed, rc=");
|
||||
Serial.print(client.state());
|
||||
Serial.println(" try again in 5 seconds");
|
||||
// Wait 5 seconds before retrying
|
||||
delay(5000);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// convert string to integer
|
||||
int stringToNumber(String thisString) {
|
||||
int i, value, length;
|
||||
length = thisString.length();
|
||||
@ -204,7 +203,7 @@ void setup() {
|
||||
if (configFile) {
|
||||
Serial.println("opened config file");
|
||||
size_t size = configFile.size();
|
||||
// Allocate a buffer to store contents of the file.
|
||||
// allocate a buffer to store contents of the file.
|
||||
std::unique_ptr<char[]> buf(new char[size]);
|
||||
configFile.readBytes(buf.get(), size);
|
||||
DynamicJsonBuffer jsonBuffer;
|
||||
@ -223,17 +222,14 @@ void setup() {
|
||||
} else {
|
||||
Serial.println("failed to mount FS");
|
||||
}
|
||||
//end read
|
||||
|
||||
// The extra parameters to be configured (can be either global or just in the setup)
|
||||
// After connecting, parameter.getValue() will get you the configured value
|
||||
// id/name placeholder/prompt default length
|
||||
// WiFiManager
|
||||
// extra parameters to be configured
|
||||
WiFiManagerParameter custom_mqtt_server("server", "mqtt server", mqtt_server, 40);
|
||||
WiFiManagerParameter custom_mqtt_port("port", "mqtt port", mqtt_port, 5);
|
||||
WiFiManagerParameter custom_mqtt_topic("topic", "mqtt topic", mqtt_topic, 32);
|
||||
|
||||
//WiFiManager
|
||||
//Local intialization. Once its business is done, there is no need to keep it around
|
||||
// local intialization
|
||||
WiFiManager wifiManager;
|
||||
// reset settings - for testing
|
||||
//wifiManager.resetSettings();
|
||||
@ -250,20 +246,16 @@ void setup() {
|
||||
wifiManager.addParameter(&custom_mqtt_topic);
|
||||
|
||||
// fetches ssid and pass and tries to connect
|
||||
//if it does not connect it starts an access point with the specified name
|
||||
//here "AutoConnectAP"
|
||||
//and goes into a blocking loop awaiting configuration
|
||||
// if it does not connect it starts an access point
|
||||
if (!wifiManager.autoConnect()) {
|
||||
Serial.println("failed to connect and hit timeout");
|
||||
//reset and try again, or maybe put it to deep sleep
|
||||
// reset and try again
|
||||
ESP.reset();
|
||||
delay(1000);
|
||||
}
|
||||
|
||||
//if you get here you have connected to the WiFi
|
||||
Serial.println("connected...yeey :)");
|
||||
Serial.println("connected to WiFi");
|
||||
ticker.detach();
|
||||
//keep LED on
|
||||
digitalWrite(BUILTIN_LED, LOW);
|
||||
|
||||
// read updated parameters
|
||||
@ -288,21 +280,20 @@ void setup() {
|
||||
json.printTo(Serial);
|
||||
json.printTo(configFile);
|
||||
configFile.close();
|
||||
//end save
|
||||
}
|
||||
|
||||
client.setServer(mqtt_server, stringToNumber(mqtt_port));
|
||||
client.setCallback(callback);
|
||||
client.setCallback(mqtt_callback);
|
||||
|
||||
dht.begin();
|
||||
|
||||
// Initial read
|
||||
// initial read
|
||||
read_sensor();
|
||||
client.publish(topic("humidity"), str_humidity);
|
||||
client.publish(topic("temperature"), str_temperature);
|
||||
client.publish(topic("heatindex"), str_heatindex);
|
||||
|
||||
// Handle http requests
|
||||
// handle http requests
|
||||
server.on("/", [](){
|
||||
read_sensor();
|
||||
String response = "<!DOCTYPE HTML>\r\n";
|
||||
@ -375,17 +366,17 @@ void setup() {
|
||||
server.send(200, "text/plain", response);
|
||||
});
|
||||
|
||||
// Start the web server
|
||||
// start the web server
|
||||
server.begin();
|
||||
Serial.println("HTTP server started");
|
||||
}
|
||||
|
||||
void loop() {
|
||||
// Listen for http requests
|
||||
// listen for http requests
|
||||
server.handleClient();
|
||||
|
||||
if (!client.connected()) {
|
||||
reconnect();
|
||||
mqtt_reconnect();
|
||||
}
|
||||
client.loop();
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user