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

131 lines
3.5 KiB
C++

#include <Arduino.h>
#include <ArduinoOTA.h>
#include <ESP8266WiFi.h>
#include <WiFiUdp.h>
#define FASTLED_ESP8266_DMA // better control for ESP8266 will output or RX pin requires fork https://github.com/coryking/FastLED
#include "FastLED.h"
/************ Network Information (CHANGE THESE FOR YOUR SETUP) ************************/
const char* ssid = "WIFI_SSID";
const char* password = "WIFI_PASSWORD";
const char* sensor_name = "TEST_SENSOR_HOSTNAME";
const char* ota_password = "OTA_PASSWORD";
const bool static_ip = true;
IPAddress ip(192, 168, 1, 112);
IPAddress gateway(192, 168, 1, 1);
IPAddress subnet(255, 255, 255, 0);
const int udp_port = 7778;
/*********************************** FastLED Defintions ********************************/
#define NUM_LEDS 250
#define DATA_PIN 5
//#define CLOCK_PIN 2
#define CHIPSET WS2812B
#define COLOR_ORDER GRB
/*********************************** Globals *******************************************/
WiFiUDP port;
CRGB leds[NUM_LEDS];
/********************************** Start Setup ****************************************/
void setup() {
Serial.begin(115200);
// Setup FastLED
#ifdef CLOCK_PIN
FastLED.addLeds<CHIPSET, DATA_PIN, CLOCK_PIN, COLOR_ORDER>(leds, NUM_LEDS);
#else
FastLED.addLeds<CHIPSET, DATA_PIN, COLOR_ORDER>(leds, NUM_LEDS);
#endif
// Setup the wifi connection
setup_wifi();
// Setup OTA firmware updates
setup_ota();
// Initialize the UDP port
port.begin(udp_port);
}
void setup_wifi() {
delay(10);
Serial.println();
Serial.print("Connecting to ");
Serial.print(ssid);
if (static_ip) {
WiFi.config(ip, gateway, subnet);
}
WiFi.hostname(sensor_name);
WiFi.mode(WIFI_STA);
WiFi.begin(ssid, password);
while (WiFi.status() != WL_CONNECTED) {
delay(500);
Serial.print(".");
}
Serial.println("");
Serial.println("WiFi connected!");
Serial.print("IP address: ");
Serial.println(WiFi.localIP());
}
void setup_ota() {
ArduinoOTA.setHostname(sensor_name);
ArduinoOTA.setPassword(ota_password);
ArduinoOTA.onStart([]() {
Serial.println("Starting");
});
ArduinoOTA.onEnd([]() {
Serial.println("\nEnd");
});
ArduinoOTA.onProgress([](unsigned int progress, unsigned int total) {
Serial.printf("Progress: %u%%\r", (progress / (total / 100)));
});
ArduinoOTA.onError([](ota_error_t error) {
Serial.printf("Error[%u]: ", error);
if (error == OTA_AUTH_ERROR) Serial.println("Auth Failed");
else if (error == OTA_BEGIN_ERROR) Serial.println("Begin Failed");
else if (error == OTA_CONNECT_ERROR) Serial.println("Connect Failed");
else if (error == OTA_RECEIVE_ERROR) Serial.println("Receive Failed");
else if (error == OTA_END_ERROR) Serial.println("End Failed");
});
ArduinoOTA.begin();
}
void loop() {
if (WiFi.status() != WL_CONNECTED) {
delay(1);
Serial.print("WIFI Disconnected. Attempting reconnection.");
setup_wifi();
return;
}
ArduinoOTA.handle();
// TODO: Hookup either a more elaborate protocol, or a secondary
// communication channel (i.e. mqtt) for functional control. This
// will also give the ability to have some non-reative effects to
// be driven completely locally making them less glitchy.
// Handle UDP data
int packetSize = port.parsePacket();
if (packetSize == sizeof(leds)) {
port.read((char*)leds, sizeof(leds));
FastLED.show();
} else if (packetSize) {
Serial.printf("Invalid packet size: %u (expected %u)\n", packetSize, sizeof(leds));
port.flush();
return;
}
}