Hi,
I am now controlling a series of WS2812B through daisy chain. Every single led in the daisy chain can lights up following the color i need. However, I need to make them blink. How to do that? Anyone can please advise? Below is my current code.
#include <CytronWiFiShield.h>
#include <CytronWiFiServer.h>
#include <SoftwareSerial.h>
#define WiFi wifi
#include <SPI.h>
#include <string.h>
#include <stdio.h>
#include <Adafruit_NeoPixel.h>
#ifdef __AVR__
#include <avr/power.h>
#endif
char ssid[] = "TDE Office"; // your network SSID (name)
char pass[] = "tde257a698n";
int keyIndex = 0; // your network key Index number (needed only for WEP)
ESP8266Server server(23);
boolean alreadyConnected = false; // whether or not the client was connected previously
boolean status = false;
// Which pin on the Arduino is connected to the NeoPixels?
// On a Trinket or Gemma we suggest changing this to 1
//PIN is the pin number that control the first batch of LEDs
#define PIN 13
//PIN2 is the pin numver that control the second batch of LEDs
#define PIN2 12
// How many NeoPixels are attached to the Arduino?
//NUMPIXELS is the total number of LEDs
#define NUMPIXELS 10
Adafruit_NeoPixel pixels = Adafruit_NeoPixel(NUMPIXELS, PIN, NEO_GRB + NEO_KHZ800);
Adafruit_NeoPixel pixels2 = Adafruit_NeoPixel(NUMPIXELS, PIN2, NEO_GRB + NEO_KHZ800);
int delayval = 50; // delay for half a second
void setup() {
Serial.begin(9600);
while (!Serial) {
;
}
if (!WiFi.begin(2, 3)) {
Serial.println("WiFi shield not present");
while (true); // don't continue
}
String fv = WiFi.firmwareVersion();
Serial.println(fv);
// attempt to connect to Wifi network:
while (!status) {
Serial.print("Attempting to connect to Network named: ");
Serial.println(ssid); // print the network name (SSID);
// Connect to WPA/WPA2 network. Change this line if using open or WEP network:
status = WiFi.connectAP(ssid, pass);
}
server.begin(); // start the web server on port 80
printWifiStatus(); // you're connected now, so print out the status
// This is for Trinket 5V 16MHz, you can remove these three lines if you are not using a Trinket
#if defined (__AVR_ATtiny85__)
if (F_CPU == 16000000) clock_prescale_set(clock_div_1);
#endif
// End of trinket special code
pixels.begin(); // This initializes the NeoPixel library.
pixels2.begin();
}
void loop() {
// wait for a new client:
ESP8266Client client = server.available();
// when the client sends the first byte, say hello:
if (client) {
// if (!alreadyConnected) {
// // clead out the input buffer:
// client.flush();
// Serial.println("We have a new client!");
// alreadyConnected = true;
// }
if (client.available() > 0) {
// read the bytes incoming from the client:
String incomingBytes = client.readString();
//change the charBuf number according to the total number to LEDs
char charBuf[10];
incomingBytes.toCharArray(charBuf, NUMPIXELS);
for (int j=0; j<NUMPIXELS; j++) {
charBuf[j]=incomingBytes[j];
for (int j=0; j<4; j++) {
Serial.print(charBuf[j]);
if (charBuf[j] == 'R') {
pixels.setPixelColor(j, pixels.Color(50,0,0));
}
else if (charBuf[j] == 'G') {
pixels.setPixelColor(j, pixels.Color(0,50,0));
}
else if (charBuf[j] == 'B') {
pixels.setPixelColor(j, pixels.Color(0,50,50));
}
else if (charBuf[j] == 'W') {
pixels.setPixelColor(j, pixels.Color(50,50,0));
}
else if (charBuf[j] == 'O') {
pixels.setPixelColor(j, pixels.Color(0,0,0));
}
}
//change the j to the starting number of second batch LEDs
for (int j=4; j<NUMPIXELS; j++) {
Serial.print(charBuf[j]);
if (charBuf[j] == 'R') {
pixels2.setPixelColor(j-4, pixels2.Color(10,0,0));
}
else if (charBuf[j] == 'G') {
pixels2.setPixelColor(j-4, pixels2.Color(0,10,0));
}
else if (charBuf[j] == 'B') {
pixels2.setPixelColor(j-4, pixels2.Color(0,0,10));
}
else if (charBuf[j] == 'W') {
pixels2.setPixelColor(j-4, pixels2.Color(10,10,10));
}
else if (charBuf[j] == 'O') {
pixels2.setPixelColor(j-4, pixels2.Color(0,0,0));
}
}
pixels.show(); // This sends the updated pixel color to the hardware.
pixels2.show();
delay(delayval); // Delay for a period of time (in milliseconds).
// client.flush();
alreadyConnected = false;
client.stop();
}
}
}
}
void printWifiStatus() {
// print the SSID of the network you're attached to:
Serial.print("SSID: ");
Serial.println(WiFi.SSID());
// print your WiFi shield's IP address:
IPAddress ip = WiFi.localIP();
Serial.print("IP Address: ");
Serial.println(ip);
// print the received signal strength:
long rssi = WiFi.RSSI();
Serial.print("signal strength (RSSI):");
Serial.print(rssi);
Serial.println(" dBm");
}
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