audio-reactive-led-strip/arduino/ws2812_controller/ws2812_controller.ino

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Arduino
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2017-12-27 03:03:41 +01:00
#include <Arduino.h>
#include <ESP8266WiFi.h>
//#include <WebSocketsServer.h>
//#include <Hash.h>
#include <WiFiUdp.h>
#include <NeoPixelBus.h>
// Set to the number of LEDs in your LED strip
#define NUM_LEDS 242
// Maximum number of packets to hold in the buffer. Don't change this.
#define BUFFER_LEN 726
// Toggles FPS output (1 = print FPS over serial, 0 = disable output)
#define PRINT_FPS 1
//NeoPixelBus settings
const uint8_t PixelPin = 3; // make sure to set this to the correct pin, ignored for Esp8266(set to 3 by default for DMA)
// Wifi and socket settings
const char* ssid = "YOUR_WIFI_SSID";
const char* password = "YOUR_WIFI_PASSWORD";
unsigned int localPort = 7778;
byte packetBuffer[BUFFER_LEN];
RgbColor ledDataBuffer[NUM_LEDS];
// LED strip
NeoPixelBus<NeoGrbFeature, Neo800KbpsMethod> ledstrip(NUM_LEDS, PixelPin);
WiFiUDP port;
// Network information
// IP must match the IP in config.py
IPAddress ip(192, 168, 137, 200);
// Set gateway to your router's gateway
IPAddress gateway(192, 168, 137, 1);
IPAddress subnet(255, 255, 255, 0);
void setup() {
Serial.begin(115200);
//WiFi.config(ip, gateway, subnet);
WiFi.mode(WIFI_STA);
WiFi.begin(ssid, password);
Serial.println("");
// Connect to wifi and print the IP address over serial
while (WiFi.status() != WL_CONNECTED) {
delay(500);
Serial.print(".");
}
Serial.println("");
Serial.print("Connected to ");
Serial.println(ssid);
Serial.print("IP address: ");
Serial.println(WiFi.localIP());
port.begin(localPort);
ledstrip.Begin();//Begin output
ledstrip.Show();//Clear the strip for use
}
uint8_t N = 0;
#if PRINT_FPS
uint16_t fpsCounter = 0;
uint32_t secondTimer = 0;
#endif
void loop() {
// Read data over socket
int packetSize = port.parsePacket();
// If packets have been received, interpret the command
if (packetSize) {
int len = port.read(packetBuffer, BUFFER_LEN);
for(int i = 0; i < len; i+=4) {
packetBuffer[len] = 0;
N = packetBuffer[i];
RgbColor pixel((uint8_t)packetBuffer[i+1], (uint8_t)packetBuffer[i+2], (uint8_t)packetBuffer[i+3]);
ledstrip.SetPixelColor(N, pixel);
}
ledstrip.Show();
Serial.print("/");
}
}