receiving data

sensebox · Dec 13, 2024 · 2e3fb6e · 2e3fb6e
1 parent fb7ec74
commit 2e3fb6e
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diff --git a/sensebox-bike-atrai-v2-esp32s3/src/ble/BLEModule.cpp b/sensebox-bike-atrai-v2-esp32s3/src/ble/BLEModule.cpp
@@ -6,6 +6,20 @@ BLEService *pService;
 
 char macString[32]; // Enough space for the MAC string
 
+class CustomBLECallbacks : public BLECharacteristicCallbacks {
+  void onWrite(BLECharacteristic *pCharacteristic) override {
+    std::string value = pCharacteristic->getValue();
+
+    if (value.length() > 0) {
+      Serial.println("Received data:");
+      for (int i = 0; i < value.length(); i++) {
+        Serial.print(value[i]);
+      }
+      Serial.println();
+    }
+  }
+};
+
 BLEModule::BLEModule()
 {
     bleName = "";
@@ -64,6 +78,21 @@ int BLEModule::createCharacteristic(const char *uuid)
     return 1;
 }
 
+// for receiving data
+int BLEModule::createCharacteristicWithCallback(const char *uuid) {
+    BLECharacteristic *pCharacteristic = pService->createCharacteristic(
+        uuid,
+        BLECharacteristic::PROPERTY_READ |
+        BLECharacteristic::PROPERTY_WRITE |
+        BLECharacteristic::PROPERTY_INDICATE |
+        BLECharacteristic::PROPERTY_NOTIFY
+    );
+
+    // Attach the callback to handle incoming data
+    pCharacteristic->setCallbacks(new CustomBLECallbacks());
+    return 1;
+}
+
 bool BLEModule::writeBLE(const char * characteristicId, float value)
 {
     BLECharacteristic *pCharacteristic = pService->getCharacteristic(characteristicId);

diff --git a/sensebox-bike-atrai-v2-esp32s3/src/ble/BLEModule.h b/sensebox-bike-atrai-v2-esp32s3/src/ble/BLEModule.h
@@ -25,6 +25,7 @@ class BLEModule
 
     // Create a BLE characteristic
     static int createCharacteristic(const char *uuid);
+    static int createCharacteristicWithCallback(const char *uuid);
 
     static bool writeBLE(const char * characteristicId, float value);
     static bool writeBLE(const char * characteristicId, float value, float value2);