add DinnerSend Arduino project

DinnerSend/DinnerSend.ino

@@ -0,0 +1,184 @@
+// FireBeetle 2 ESP32-E
+// 5v power for the LEDs taken from the
+// bottom of the board under the USB connector.
+// 470 Ohm resistor between the data line and the LED strip.
+// See https://esp32io.com/tutorials/esp32-ws2812b-led-strip
+#include <Adafruit_NeoPixel.h>
+#include <WiFi.h>
+#include <esp_now.h>
+
+#define LED_PIN 16
+#define BUTTON_PIN 12
+#define NUMPIXELS 8
+
+#define ESPNOW_WIFI_CHANNEL 6
+
+Adafruit_NeoPixel pixels(NUMPIXELS, LED_PIN, NEO_GRB + NEO_KHZ800);
+
+// Button variables
+bool lastButtonState = HIGH;
+bool currentButtonState = HIGH;
+unsigned long lastDebounceTime = 0;
+unsigned long debounceDelay = 50;
+
+// Broadcast MAC address for ESP-NOW
+uint8_t recvMAC[] = {0x08, 0x3A, 0xF2, 0x39, 0x0A, 0xA8};
+// 08:3A:F2:39:0A:A8
+
+#define DELAYVAL 250
+
+// Dinner alert state
+// bool dinnerAlert = false;
+// unsigned long dinnerStartTime = 0;
+// unsigned long lastBlinkTime = 0;
+// bool ledState = false;
+
+void sendDinnerMessage() {
+  const char *message = "dinner";
+  esp_err_t result = esp_now_send(recvMAC, (uint8_t *)message, strlen(message));
+
+  if (result == ESP_OK) {
+    Serial.println("Dinner message sent successfully");
+  } else {
+    Serial.println("Error sending dinner message");
+  }
+}
+
+void onDataReceived(const esp_now_recv_info *mac_addr,
+                    const unsigned char *data, int data_len) {
+  char message[data_len + 1];
+  memcpy(message, data, data_len);
+  message[data_len] = '\0';
+
+  Serial.print("Received message: ");
+  Serial.println(message);
+
+  if (strcmp(message, "dinner_ack") == 0) {
+    Serial.println("Dinner ack received!");
+    // dinnerAlert = true;
+    // dinnerStartTime = millis();
+    // lastBlinkTime = millis();
+    // ledState = false;
+  }
+}
+
+void setup() {
+  Serial.begin(115200);
+  // while (!Serial){
+  //   delay(10);
+  // }
+  // Serial.println("setup");
+  // pixels.begin();
+
+  pinMode(LED_BUILTIN, OUTPUT);
+
+  // Initialize button pin
+  pinMode(BUTTON_PIN, INPUT_PULLUP);
+
+  // Initialize WiFi in station mode
+  WiFi.mode(WIFI_STA);
+  WiFi.setChannel(ESPNOW_WIFI_CHANNEL);
+  while (!WiFi.STA.started()) {
+    delay(100);
+  }
+
+  // Initialize ESP-NOW
+  if (esp_now_init() != ESP_OK) {
+    Serial.println("Error initializing ESP-NOW");
+    return;
+  }
+
+  // Register callback function
+  esp_now_register_recv_cb(onDataReceived);
+
+  // Add peer
+  esp_now_peer_info_t peerInfo;
+  memset(&peerInfo, 0, sizeof(peerInfo));
+  memcpy(peerInfo.peer_addr, recvMAC, 6);
+  peerInfo.channel = ESPNOW_WIFI_CHANNEL;
+  peerInfo.encrypt = false;
+
+  if (esp_now_add_peer(&peerInfo) != ESP_OK) {
+    Serial.println("Failed to add broadcast peer");
+    return;
+  }
+  Serial.println("Dinner SEND");
+  Serial.println("Wi-Fi parameters:");
+  Serial.println("  Mode: STA");
+  Serial.println("  MAC Address: " + WiFi.macAddress());
+  Serial.printf("  Channel: %d\n", ESPNOW_WIFI_CHANNEL);
+}
+
+// void blinkAllLEDs() {
+//   if (millis() - lastBlinkTime >= 500) { // Blink every 500ms
+//     lastBlinkTime = millis();
+//     ledState = !ledState;
+
+//     if (ledState) {
+//       // Turn on all LEDs with bright red color for dinner alert
+//       for (int i = 0; i < NUMPIXELS; i++) {
+//         pixels.setPixelColor(i, pixels.Color(255, 0, 0));
+//       }
+//     } else {
+//       // Turn off all LEDs
+//       pixels.clear();
+//     }
+//     pixels.show();
+//   }
+// }
+
+// void normalAnimation() {
+//   pixels.clear();
+//   for (int i = 0; i < NUMPIXELS; i++) {
+//     pixels.setPixelColor(i, pixels.Color(64, 255, 128));
+//     pixels.show();
+//     delay(DELAYVAL);
+//   }
+// }
+
+// void dinnerAnimation() {
+//   // Check if 60 seconds have passed
+//   if (millis() - dinnerStartTime >= 5 * 1000) {
+//     dinnerAlert = false;
+//     Serial.println("Dinner alert timeout - returning to normal mode");
+//     pixels.clear();
+//     pixels.show();
+//   } else {
+//     blinkAllLEDs();
+//   }
+// }
+
+void checkButton() {
+  int reading = digitalRead(BUTTON_PIN);
+
+  digitalWrite(LED_BUILTIN, !reading);
+
+  if (reading != lastButtonState) {
+    lastDebounceTime = millis();
+  }
+
+  if ((millis() - lastDebounceTime) > debounceDelay) {
+    if (reading != currentButtonState) {
+      currentButtonState = reading;
+
+      // Button pressed (LOW because of INPUT_PULLUP)
+      if (currentButtonState == LOW) {
+        Serial.println("Button pressed! Sending dinner message...");
+        sendDinnerMessage();
+      }
+    }
+  }
+
+  lastButtonState = reading;
+}
+
+void loop() {
+  checkButton();
+
+  // Check if dinner alert is active
+  // if (dinnerAlert) {
+  //   dinnerAnimation();
+  // } else {
+  //   normalAnimation();
+  // }
+}