Wifi working, mqtt still to do

This commit is contained in:
Stefan H. 2022-05-15 16:08:15 +02:00
parent 1c41e514f7
commit bbec6e6f49

View file

@ -1,4 +1,4 @@
#include <WiFi.h>
#include <ESP8266WiFi.h>
#include <NeoPixelBus.h>
#include <NeoPixelSegmentBus.h>
@ -20,7 +20,7 @@ MQTTPubSubClient mqtt;
// Set Data pin for LED ring (we use GPIO3, which is also RX of the serial line)
#define DATA_PIN 3
const uint16_t PixelCount = 8;
NeoPixelBus<NeoGrbFeature, NeoEsp8266Dma800KbpsMethod> strip(PixelCount, DATA_PIN);
NeoPixelBus<NeoGrbFeature, Neo800KbpsMethod > strip(PixelCount, DATA_PIN);
long duration; // here we measure the time needed by the ultrasonic pulse
float distance; // the calculated distance
@ -38,30 +38,61 @@ RgbColor blue(0, 0, colorSaturation);
RgbColor white(colorSaturation);
RgbColor black(0);
void callback(char* topic, byte* payload, unsigned int length) {
Serial.print("Message arrived [");
Serial.print(topic);
Serial.print("] ");
for (int i = 0; i < length; i++) {
Serial.print((char)payload[i]);
}
Serial.println();
// Switch on the LED if an 1 was received as first character
if ((char)payload[0] == '1') {
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)
} else {
digitalWrite(BUILTIN_LED, HIGH); // Turn the LED off by making the voltage HIGH
}
}
void setup() {
// Important to first initilizate Serial before the strip as
// we are useing the RX PIN to connect the strip
Serial.begin(115200); // Baudrate: 115200
// start your network
WiFi.begin(wifi_ssid, wifi_password);
// connect to host
client.connect(mqtt_server, 1883);
// initialize mqtt client
mqtt.begin(client);
// connect to mqtt broker
mqtt.connect("arduino", "public", "public");
// start your network
WiFi.mode(WIFI_STA);
WiFi.begin(wifi_ssid, wifi_password);
while (WiFi.status() != WL_CONNECTED) {
delay(500);
Serial.print(".");
}
// subscribe topic and callback which is called when /hello has come
mqtt.subscribe("/hello", [](const String& payload, const size_t size) {
Serial.print("/hello ");
Serial.println(payload);
});
randomSeed(micros());
Serial.println(""); Serial.println("WiFi connected");
Serial.println("IP address: "); Serial.println(WiFi.localIP());
// connect to host
client.connect(mqtt_server, 1883);
// initialize mqtt client
mqtt.begin(client);
// connect to mqtt broker
mqtt.connect("arduino", "public", "public");
// subscribe topic and callback which is called when /hello has come
mqtt.subscribe(mqtt_topic, [](const String& payload, const size_t size) {
Serial.print(mqtt_topic); Serial.println(payload);
});
// Setup the ultrasonic sensor PIN
pinMode(TRIG, OUTPUT); // TRIG-Pin: Output
pinMode(ECHO, INPUT); // ECHO-Pin: Input
// Important to first initilizate Serial before the strip as
// we are useing the RX PIN to connect the strip
Serial.begin(9600); // Baudrate: 115200
// this resets all the neopixels to an off state
strip.Begin();
@ -121,11 +152,9 @@ void loop() {
else {setRed(); }
// Anzeige der Entfernung im seriellen Monitor
#ifdef DEBUG
Serial.println("Poti: " + String(poti));
Serial.println("Entfernung: " + String(distance) + "cm");
Serial.println("Percent: " + String(percent) + " of goal value");
#endif
delay(100);
delay(1000);
}