80 lines
2.0 KiB
Arduino
80 lines
2.0 KiB
Arduino
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#include <ArduinoJson.h>
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#include <Adafruit_NeoPixel.h>
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#include <ESP8266WiFi.h>
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#include <ESP8266HTTPClient.h>
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#define PIN 2
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#define NUMPIXELS 12
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const char* ssid = "CTDO-LEGACY";
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const char* password = "******";
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const char* apiEndpoint = "http://spacepanel.stablerock.de/leds";
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const int pollInterval = 10000;
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HTTPClient http;
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Adafruit_NeoPixel pixels = Adafruit_NeoPixel(NUMPIXELS, PIN, NEO_GRB + NEO_KHZ800);
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int delayval = 500;
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void setLED(int i, String value) {
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String value_short = value.substring(1);
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char charbuf[8];
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value_short.toCharArray(charbuf,8);
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long int rgb = strtol(charbuf,0,16); //=>rgb=0x001234FE;
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byte r=(byte)(rgb>>16);
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byte g=(byte)(rgb>>8);
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byte b=(byte)(rgb);
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Serial.print(value_short);
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Serial.print("-> ");
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Serial.print(r);
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Serial.print(", ");
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Serial.print(g);
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Serial.print(", ");
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Serial.println(b);
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pixels.setPixelColor(i, pixels.Color(r/255,g/255,b/255));
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pixels.show();
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}
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void setup() {
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Serial.begin(115200);
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WiFi.begin(ssid, password);
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Serial.println(WiFi.macAddress());
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while (WiFi.status() != WL_CONNECTED) {
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delay(1000);
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Serial.println("Connecting...");
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}
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Serial.println("Connected.");
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pixels.begin();
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}
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void loop() {
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Serial.println("Sending request...");
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http.begin(apiEndpoint);
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int httpCode = http.GET();
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Serial.println("Success.");
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if (httpCode == 200) {
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String json = http.getString();
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const size_t capacity = JSON_ARRAY_SIZE(NUMPIXELS) + 510;
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DynamicJsonDocument doc(capacity);
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deserializeJson(doc, json);
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for (int i = 0; i < NUMPIXELS; i++) {
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Serial.print("LED" + String(i) + ": ");
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const char* element = doc[i];
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String value = String(element);
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setLED(i, value);
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Serial.print("LED" );
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Serial.print(i);
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Serial.print("Color: ");
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Serial.println(value);
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}
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} else {
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Serial.println("Error: Statuscode" + httpCode);
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}
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delay(pollInterval);
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}
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