commit ad7e26aa2665cc9a4ed07835982dafb89e17b601
Author: Adema <h.adema@rug.nl>
Date:   Wed Apr 2 10:12:42 2025 +0200

    Upload files to "BLE_client_ana"

diff --git a/BLE_client_ana/BLE_client_ana.ino b/BLE_client_ana/BLE_client_ana.ino
new file mode 100644
index 0000000..064b206
--- /dev/null
+++ b/BLE_client_ana/BLE_client_ana.ino
@@ -0,0 +1,76 @@
+#include <BLEDevice.h>
+#include <BLEUtils.h>
+#include <BLEScan.h>
+#include <BLEAdvertisedDevice.h>
+#include <BLEClient.h>
+#include <BLEUUID.h>
+
+#define SERVICE_UUID        "4fafc201-1fb5-459e-8fcc-c5c9c331914b"
+#define CHARACTERISTIC_UUID "beb5483e-36e1-4688-b7f5-ea07361b26a8"
+
+BLEClient* pClient;
+BLERemoteCharacteristic* pRemoteCharacteristic;
+bool doConnect = false;
+bool connected = false;
+BLEAdvertisedDevice* myDevice;
+
+class MyAdvertisedDeviceCallbacks : public BLEAdvertisedDeviceCallbacks {
+  void onResult(BLEAdvertisedDevice advertisedDevice) {
+    if (advertisedDevice.haveServiceUUID() && advertisedDevice.getServiceUUID().equals(BLEUUID(SERVICE_UUID))) {
+      Serial.println("Found target device! Connecting...");
+      myDevice = new BLEAdvertisedDevice(advertisedDevice);
+      doConnect = true;
+    }
+  }
+};
+
+void connectToServer() {
+  pClient = BLEDevice::createClient();
+  Serial.println(" - Created client");
+
+  pClient->connect(myDevice);
+  Serial.println(" - Connected to server");
+
+  BLERemoteService* pRemoteService = pClient->getService(SERVICE_UUID);
+  if (pRemoteService == nullptr) {
+    Serial.println("Failed to find service UUID");
+    pClient->disconnect();
+    return;
+  }
+  Serial.println(" - Found service");
+
+  pRemoteCharacteristic = pRemoteService->getCharacteristic(CHARACTERISTIC_UUID);
+  if (pRemoteCharacteristic == nullptr) {
+    Serial.println("Failed to find characteristic UUID");
+    pClient->disconnect();
+    return;
+  }
+  Serial.println(" - Found characteristic");
+
+  if (pRemoteCharacteristic->canNotify()) {
+    pRemoteCharacteristic->registerForNotify([](BLERemoteCharacteristic* pBLERemoteCharacteristic, uint8_t* pData, size_t length, bool isNotify) {
+      Serial.print("Received: ");
+      Serial.println((char*)pData);
+    });
+  }
+  connected = true;
+}
+
+void setup() {
+  Serial.begin(115200);
+  Serial.println("Starting BLE Client...");
+
+  BLEDevice::init("");
+  BLEScan* pBLEScan = BLEDevice::getScan();
+  pBLEScan->setAdvertisedDeviceCallbacks(new MyAdvertisedDeviceCallbacks());
+  pBLEScan->setActiveScan(true);
+  pBLEScan->start(5, false);
+}
+
+void loop() {
+  if (doConnect && !connected) {
+    connectToServer();
+    doConnect = false;
+  }
+  //delay(1000);
+}