From d4e62efa065e2d711deb34a624d28b2e5268ebbf Mon Sep 17 00:00:00 2001
From: Adema <h.adema@rug.nl>
Date: Wed, 2 Apr 2025 10:13:32 +0200
Subject: [PATCH] Upload files to "BLE_server_ana"

---
 BLE_server_ana/BLE_server_ana.ino | 47 +++++++++++++++++++++++++++++++
 1 file changed, 47 insertions(+)
 create mode 100644 BLE_server_ana/BLE_server_ana.ino

diff --git a/BLE_server_ana/BLE_server_ana.ino b/BLE_server_ana/BLE_server_ana.ino
new file mode 100644
index 0000000..f4cd0ac
--- /dev/null
+++ b/BLE_server_ana/BLE_server_ana.ino
@@ -0,0 +1,47 @@
+#include <BLEDevice.h>
+#include <BLEUtils.h>
+#include <BLEServer.h>
+
+#define SERVICE_UUID        "4fafc201-1fb5-459e-8fcc-c5c9c331914b"
+#define CHARACTERISTIC_UUID "beb5483e-36e1-4688-b7f5-ea07361b26a8"
+
+BLECharacteristic *pCharacteristic;
+
+void setup() {
+  Serial.begin(115200);
+  Serial.println("Starting BLE work!");
+
+  BLEDevice::init("ESP32 Analog Advertiser");
+  BLEServer *pServer = BLEDevice::createServer(); 
+  BLEService *pService = pServer->createService(SERVICE_UUID);
+  pCharacteristic = pService->createCharacteristic(
+                                         CHARACTERISTIC_UUID,
+                                         BLECharacteristic::PROPERTY_READ |
+                                         BLECharacteristic::PROPERTY_NOTIFY
+                                       );
+
+  pService->start();
+  BLEAdvertising *pAdvertising = BLEDevice::getAdvertising();
+  pAdvertising->addServiceUUID(SERVICE_UUID);
+  pAdvertising->setScanResponse(true);
+  pAdvertising->setMinPreferred(0x06);
+  pAdvertising->setMinPreferred(0x12);
+  BLEDevice::startAdvertising();
+  Serial.println("Characteristic defined! Now advertising analog values.");
+}
+
+void loop() {
+  int analogValues[3];
+  analogValues[0] = analogRead(A0);
+  analogValues[1] = analogRead(A1);
+  analogValues[2] = analogRead(A2);
+  
+  char valueStr[50];
+  snprintf(valueStr, sizeof(valueStr), "A0:%d A1:%d A2:%d", analogValues[0], analogValues[1], analogValues[2]);
+  
+  Serial.println(valueStr);
+  pCharacteristic->setValue(valueStr);
+  pCharacteristic->notify();
+  
+  //delay(1000);
+}