server discoverbility added

inos/Smart-Watch.ino

@@ -1,80 +0,0 @@
-#include <Arduino_GFX_Library.h>
-#include <Adafruit_ST7789.h>
-#include <Arduino.h>
-
-#define TFT_DC   D7
-#define TFT_RST  D9
-
-unsigned long SEC=0;
-unsigned long MIN=0;
-unsigned long HOUR=0;
-
-unsigned long DAY=0;
-unsigned long MONT=0;
-unsigned long YEAR=2026;
-
-unsigned long preMil = 0;
-const long interval = 1000;
-
-Arduino_DataBus *bus = new Arduino_HWSPI(TFT_DC, -1);
-Arduino_GFX *gfx = new Arduino_ST7789(bus, TFT_RST, 0, true, 240, 240, 0, 0);
-
-void setup() {
-  gfx->begin();
-  gfx->fillScreen(ST77XX_BLACK);
-
-  gfx->setTextColor(ST77XX_GREEN);
-
-}
-
-void loop() {
-  drawText(10,10, 2, "{");
-  drawText(30,30,2,"Time: {");
-
-  gfx->setCursor(50, 50);
-  gfx->printf("Hour: %d%c\n", HOUR, ",");
-
-  gfx->setCursor(50, 70);
-  gfx->printf("Min: %d%c\n", MIN, ",");
-
-  gfx->setCursor(50, 90);
-  gfx->printf("Sec: %d%c\n", SEC, ",");
-  
-  drawText(30,110,2,"},");
-
-  drawText(30,130,2,"Date: {");
-
-  gfx->setCursor(50, 150);
-  gfx->printf("Day: %d%c\n", DAY, ",");
-
-  gfx->setCursor(50, 170);
-  gfx->printf("Mont: %d%c\n", MONT, ",");
-
-  gfx->setCursor(50, 190);
-  gfx->printf("Year: %d%c\n", YEAR, ",");
-
-  drawText(10,210,2,"}");
-
-  updateClock();
-}
-
-void updateClock(){
-  unsigned long curMil = millis();
-
-  if (curMil - preMil >= interval) {
-        preMil = curMil;
-        SEC++;
-        gfx->fillScreen(ST77XX_BLACK);
-    }
-  if (SEC >= 60) {SEC = 0; MIN++;}
-  if (MIN >= 60) {MIN = 0; HOUR++;}
-  if (HOUR >= 24) {HOUR = 0; DAY++;}
-}
-
-
-
-void drawText(int width, int hight,int size, const char* text) {
-    gfx->setCursor(width, hight); 
-    gfx->setTextSize(size);
-    gfx->println(text);
-}

inos/Smart-Watch/Smart-Watch.ino

@@ -0,0 +1,131 @@
+#include <Arduino_GFX_Library.h>
+#include <Adafruit_ST7789.h>
+#include <Arduino.h>
+
+#include <BLEDevice.h>
+#include <BLEUtils.h>
+#include <BLEServer.h>
+
+#define TFT_DC   D7
+#define TFT_RST  D9
+
+unsigned long SEC=40;
+unsigned long MIN=0;
+unsigned long HOUR=0;
+
+unsigned long DAY=0;
+unsigned long MONT=0;
+unsigned long YEAR=2026;
+
+unsigned long preMil = 0;
+const long interval = 1000;
+
+Arduino_DataBus *bus = new Arduino_HWSPI(TFT_DC, -1);
+Arduino_GFX *gfx = new Arduino_ST7789(bus, TFT_RST, 0, true, 240, 240, 0, 0);
+
+#define SERVICE_UUID        "791cadd7-de87-49f9-8986-94b7ae11940b"
+#define CHAR_TEST_UUID "3e4eac5b-eaa2-4e0c-a705-dcac4f606e01"
+#define CHAR_TIME_UUID "3e4eac5b-eaa2-4e0c-a705-dcac4f606e02"
+
+#define deviceName "ESP32-Watch"
+
+class CharacteristicCallbacks: public BLECharacteristicCallbacks {
+    void onWrite(BLECharacteristic *pCharacteristic) override {
+      String value = pCharacteristic->getValue();
+
+      if (value.length() == 0) return;
+
+      //Time characteristic check
+      if (pCharacteristic->getUUID().equals(BLEUUID(CHAR_TIME_UUID))) {
+      Serial.print("Uhrzeit empfangen: ");
+      Serial.println(value);
+      }
+    }
+};
+
+void setup() {
+  Serial.begin(115200);
+
+  gfx->begin();
+  gfx->setFont(NULL);
+  gfx->fillScreen(ST77XX_BLACK);
+
+  gfx->setTextColor(ST77XX_GREEN, ST77XX_BLACK);
+
+  initDevice();
+}
+
+void loop() {
+  drawText(10,10, 2, "{");
+  drawText(30,30,2,"Time: {");
+
+  gfx->setCursor(50, 50);
+  gfx->printf("Hour: %d%c\n", HOUR, ',');
+
+  gfx->setCursor(50, 70);
+  gfx->printf("Min: %d%c\n", MIN, ',');
+
+  gfx->setCursor(50, 90);
+  gfx->printf("Sec: %d%c\n", SEC);
+  
+  drawText(30,110,2,"},");
+
+  drawText(30,130,2,"Date: {");
+
+  gfx->setCursor(50, 150);
+  gfx->printf("Day: %d%c\n", DAY, ',');
+
+  gfx->setCursor(50, 170);
+  gfx->printf("Mont: %d%c\n", MONT, ',');
+
+  gfx->setCursor(50, 190);
+  gfx->printf("Year: %d%c\n", YEAR);
+
+  drawText(10,210,2,"}");
+
+  updateClock();
+}
+void initDevice(){
+  BLEDevice::init(deviceName);
+  BLEServer *pServer = BLEDevice::createServer();
+  BLEService *pService = pServer->createService(SERVICE_UUID);
+
+  //Test characteristic
+  BLECharacteristic *pCharacteristic = pService->createCharacteristic(
+    CHAR_TEST_UUID, 
+    BLECharacteristic::PROPERTY_READ);
+  pCharacteristic->setValue("Hello World");
+
+  //Time
+  BLECharacteristic *pCharacteristicTime = pService->createCharacteristic(CHAR_TIME_UUID, 
+    BLECharacteristic::PROPERTY_READ |
+    BLECharacteristic::PROPERTY_WRITE);
+  pCharacteristicTime->setCallbacks(new CharacteristicCallbacks());
+  pCharacteristicTime->setValue("TIME");
+
+  pService->start();
+  // BLEAdvertising *pAdvertising = pServer->getAdvertising();  // this still is working for backward compatibility
+  BLEAdvertising *pAdvertising = BLEDevice::getAdvertising();
+  pAdvertising->addServiceUUID(SERVICE_UUID);
+  pAdvertising->setScanResponse(true);
+  pAdvertising->setMinPreferred(0x12);
+  BLEDevice::startAdvertising();
+  Serial.println("Characteristic defined! Now you can read it in your phone!");
+}
+
+void updateClock(){
+  unsigned long curMil = millis();
+
+  if (curMil - preMil >= interval) {
+        preMil = curMil;
+        SEC++;
+    }
+  if (SEC >= 60) {SEC = 0; MIN++;}
+  if (MIN >= 60) {MIN = 0; HOUR++;}
+  if (HOUR >= 24) {HOUR = 0; DAY++;}
+}
+void drawText(int width, int hight,int size, const char* text) {
+    gfx->setCursor(width, hight); 
+    gfx->setTextSize(size);
+    gfx->println(text);
+}