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M5Stamp_Web_Led_Bluetooth.ino
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M5Stamp_Web_Led_Bluetooth.ino
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#include <WiFi.h>
#include <WebServer.h>
#include <FastLED.h>
#include <NimBLEDevice.h>
const char* ssid = "JN24";
const char* password = "D3skt0pK1ng";
#define PIN_LED 21
#define NUM_LEDS 16
#define BRIGHTNESS 50
CRGB leds[NUM_LEDS];
WebServer server(80);
NimBLEServer* pServer = nullptr;
NimBLEService* pService = nullptr;
NimBLECharacteristic* pCharacteristic = nullptr;
void setup() {
Serial.begin(115200);
FastLED.addLeds<WS2812, PIN_LED, GRB>(leds, NUM_LEDS);
FastLED.setBrightness(BRIGHTNESS);
WiFi.begin(ssid, password);
while (WiFi.status() != WL_CONNECTED) {
delay(1000);
Serial.println("Connecting to WiFi...");
}
Serial.println("Connected to the WiFi network");
Serial.print("IP address: ");
Serial.println(WiFi.localIP());
initBluetooth();
server.on("/", HTTP_GET, handleRoot);
server.on("/setColor", HTTP_GET, handleSetColor);
server.on("/sendMessage", HTTP_POST, handleSendMessage);
server.begin();
Serial.println("HTTP server started");
}
void loop() {
server.handleClient();
handleBluetoothMessages();
}
void handleRoot() {
String html = R"(
<html>
<head>
<title>M5StampS3 LED Control</title>
<style>
body {
font-family: Arial, sans-serif;
background-color: #f2f2f2;
display: flex;
justify-content: center;
align-items: center;
height: 100vh;
margin: 0;
}
.container {
background-color: white;
padding: 30px;
border-radius: 10px;
box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2);
width: 400px;
}
.color-picker {
margin-bottom: 20px;
}
.color-picker label {
display: block;
font-weight: bold;
margin-bottom: 5px;
}
.animation-select {
width: 100%;
padding: 10px;
margin-bottom: 20px;
border: 1px solid #ccc;
border-radius: 5px;
box-sizing: border-box;
}
.submit-button {
background-color: #4CAF50;
color: white;
padding: 12px 20px;
border: none;
border-radius: 4px;
cursor: pointer;
width: 100%;
}
.submit-button:hover {
background-color: #45a049;
}
h1 {
text-align: center;
color: #333;
margin-bottom: 20px;
}
</style>
</head>
<body>
<div class="container">
<h1>M5StampS3 LED Control</h1>
<form action="/setColor">
<div class="color-picker">
<label for="color">Choose a color:</label>
<input type="color" id="color" name="color" value="#ffffff">
</div>
<select class="animation-select" name="animation">
<option value="0">Static</option>
<option value="1">Rainbow</option>
<option value="2">Breath</option>
<option value="3">Sparkle</option>
</select>
<input class="submit-button" type="submit" value="Apply">
</form>
<hr>
<h2>Bluetooth Message</h2>
<form action="/sendMessage" method="post">
<textarea name="message" rows="3" placeholder="Enter a message to broadcast via Bluetooth"></textarea>
<input class="submit-button" type="submit" value="Send">
</form>
</div>
</body>
</html>
)";
server.send(200, "text/html", html);
}
void handleSetColor() {
String colorValue = server.arg("color");
int animation = server.arg("animation").toInt();
setColor(colorValue, animation);
server.sendHeader("Location", String("/"), true);
server.send(302, "text/plain", "");
}
void handleSendMessage() {
if (server.hasArg("message")) {
String message = server.arg("message");
sendBluetoothMessage(message);
Serial.println("Bluetooth message sent: " + message);
}
server.sendHeader("Location", String("/"), true);
server.send(302, "text/plain", "");
}
void handleBluetoothMessages() {
if (pCharacteristic && pCharacteristic->getValue() != "") {
std::string value = pCharacteristic->getValue();
Serial.println("Received Bluetooth message: " + String(value.c_str()));
// You can add additional logic here to handle the received Bluetooth message
}
}
void setColor(String colorValue, int animation) {
CRGB color = CRGB(
(uint8_t)(strtoul(colorValue.substring(1, 3).c_str(), 0, 16)),
(uint8_t)(strtoul(colorValue.substring(3, 5).c_str(), 0, 16)),
(uint8_t)(strtoul(colorValue.substring(5, 7).c_str(), 0, 16))
);
switch (animation) {
case 0: // Static
for (int i = 0; i < NUM_LEDS; i++) {
leds[i] = color;
}
FastLED.show();
break;
case 1: // Rainbow
for (int i = 0; i < 256; i++) {
for (int j = 0; j < NUM_LEDS; j++) {
leds[j] = CHSV(
(uint8_t)(triwave8(j * 256 / NUM_LEDS + i * 3)),
255,
255
);
}
FastLED.show();
delay(10);
}
break;
case 2: // Breath
while (true) {
for (int i = 0; i < 256; i++) {
for (int j = 0; j < NUM_LEDS; j++) {
leds[j] = CRGB(
(uint8_t)(color.r * sin(i * 3.14 / 255)),
(uint8_t)(color.g * sin(i * 3.14 / 255)),
(uint8_t)(color.b * sin(i * 3.14 / 255))
);
}
FastLED.show();
delay(10);
}
for (int i = 255; i >= 0; i--) {
for (int j = 0; j < NUM_LEDS; j++) {
leds[j] = CRGB(
(uint8_t)(color.r * sin(i * 3.14 / 255)),
(uint8_t)(color.g * sin(i * 3.14 / 255)),
(uint8_t)(color.b * sin(i * 3.14 / 255))
);
}
FastLED.show();
delay(10);
}
}
break;
case 3: // Sparkle
for (int i = 0; i < 100; i++) {
int randomLED = random(0, NUM_LEDS);
leds[randomLED] = CRGB(
(uint8_t)(color.r * (1 - (float)i / 100)),
(uint8_t)(color.g * (1 - (float)i / 100)),
(uint8_t)(color.b * (1 - (float)i / 100))
);
FastLED.show();
delay(20);
}
break;
default:
for (int i = 0; i < NUM_LEDS; i++) {
leds[i] = CRGB(0, 0, 0);
}
FastLED.show();
break;
}
}
void initBluetooth() {
NimBLEDevice::init("M5StampS3 LED Control");
pServer = NimBLEDevice::createServer();
pService = pServer->createService(NimBLEUUID((uint16_t)0xABCD));
pCharacteristic = pService->createCharacteristic(
NimBLEUUID((uint16_t)0x1234),
NIMBLE_PROPERTY::READ |
NIMBLE_PROPERTY::WRITE
);
pService->start();
NimBLEAdvertising* pAdvertising = pServer->getAdvertising();
pAdvertising->start();
}
void sendBluetoothMessage(String message) {
if (pCharacteristic) {
pCharacteristic->setValue(message.c_str());
pCharacteristic->notify();
}
}