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-rw-r--r--sensor/patchedBLE/examples/BLE_client/BLE_client.ino160
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diff --git a/sensor/patchedBLE/examples/BLE_client/BLE_client.ino b/sensor/patchedBLE/examples/BLE_client/BLE_client.ino
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+/**
+ * A BLE client example that is rich in capabilities.
+ * There is a lot new capabilities implemented.
+ * author unknown
+ * updated by chegewara
+ */
+
+#include "BLEDevice.h"
+//#include "BLEScan.h"
+
+// The remote service we wish to connect to.
+static BLEUUID serviceUUID("4fafc201-1fb5-459e-8fcc-c5c9c331914b");
+// The characteristic of the remote service we are interested in.
+static BLEUUID charUUID("beb5483e-36e1-4688-b7f5-ea07361b26a8");
+
+static boolean doConnect = false;
+static boolean connected = false;
+static boolean doScan = false;
+static BLERemoteCharacteristic* pRemoteCharacteristic;
+static BLEAdvertisedDevice* myDevice;
+
+static void notifyCallback(
+ BLERemoteCharacteristic* pBLERemoteCharacteristic,
+ uint8_t* pData,
+ size_t length,
+ bool isNotify) {
+ Serial.print("Notify callback for characteristic ");
+ Serial.print(pBLERemoteCharacteristic->getUUID().toString().c_str());
+ Serial.print(" of data length ");
+ Serial.println(length);
+ Serial.print("data: ");
+ Serial.println((char*)pData);
+}
+
+class MyClientCallback : public BLEClientCallbacks {
+ void onConnect(BLEClient* pclient) {
+ }
+
+ void onDisconnect(BLEClient* pclient) {
+ connected = false;
+ Serial.println("onDisconnect");
+ }
+};
+
+bool connectToServer() {
+ Serial.print("Forming a connection to ");
+ Serial.println(myDevice->getAddress().toString().c_str());
+
+ BLEClient* pClient = BLEDevice::createClient();
+ Serial.println(" - Created client");
+
+ pClient->setClientCallbacks(new MyClientCallback());
+
+ // Connect to the remove BLE Server.
+ pClient->connect(myDevice); // if you pass BLEAdvertisedDevice instead of address, it will be recognized type of peer device address (public or private)
+ Serial.println(" - Connected to server");
+
+ // Obtain a reference to the service we are after in the remote BLE server.
+ BLERemoteService* pRemoteService = pClient->getService(serviceUUID);
+ if (pRemoteService == nullptr) {
+ Serial.print("Failed to find our service UUID: ");
+ Serial.println(serviceUUID.toString().c_str());
+ pClient->disconnect();
+ return false;
+ }
+ Serial.println(" - Found our service");
+
+
+ // Obtain a reference to the characteristic in the service of the remote BLE server.
+ pRemoteCharacteristic = pRemoteService->getCharacteristic(charUUID);
+ if (pRemoteCharacteristic == nullptr) {
+ Serial.print("Failed to find our characteristic UUID: ");
+ Serial.println(charUUID.toString().c_str());
+ pClient->disconnect();
+ return false;
+ }
+ Serial.println(" - Found our characteristic");
+
+ // Read the value of the characteristic.
+ if(pRemoteCharacteristic->canRead()) {
+ std::string value = pRemoteCharacteristic->readValue();
+ Serial.print("The characteristic value was: ");
+ Serial.println(value.c_str());
+ }
+
+ if(pRemoteCharacteristic->canNotify())
+ pRemoteCharacteristic->registerForNotify(notifyCallback);
+
+ connected = true;
+}
+/**
+ * Scan for BLE servers and find the first one that advertises the service we are looking for.
+ */
+class MyAdvertisedDeviceCallbacks: public BLEAdvertisedDeviceCallbacks {
+ /**
+ * Called for each advertising BLE server.
+ */
+ void onResult(BLEAdvertisedDevice advertisedDevice) {
+ Serial.print("BLE Advertised Device found: ");
+ Serial.println(advertisedDevice.toString().c_str());
+
+ // We have found a device, let us now see if it contains the service we are looking for.
+ if (advertisedDevice.haveServiceUUID() && advertisedDevice.isAdvertisingService(serviceUUID)) {
+
+ BLEDevice::getScan()->stop();
+ myDevice = new BLEAdvertisedDevice(advertisedDevice);
+ doConnect = true;
+ doScan = true;
+
+ } // Found our server
+ } // onResult
+}; // MyAdvertisedDeviceCallbacks
+
+
+void setup() {
+ Serial.begin(115200);
+ Serial.println("Starting Arduino BLE Client application...");
+ BLEDevice::init("");
+
+ // Retrieve a Scanner and set the callback we want to use to be informed when we
+ // have detected a new device. Specify that we want active scanning and start the
+ // scan to run for 5 seconds.
+ BLEScan* pBLEScan = BLEDevice::getScan();
+ pBLEScan->setAdvertisedDeviceCallbacks(new MyAdvertisedDeviceCallbacks());
+ pBLEScan->setInterval(1349);
+ pBLEScan->setWindow(449);
+ pBLEScan->setActiveScan(true);
+ pBLEScan->start(5, false);
+} // End of setup.
+
+
+// This is the Arduino main loop function.
+void loop() {
+
+ // If the flag "doConnect" is true then we have scanned for and found the desired
+ // BLE Server with which we wish to connect. Now we connect to it. Once we are
+ // connected we set the connected flag to be true.
+ if (doConnect == true) {
+ if (connectToServer()) {
+ Serial.println("We are now connected to the BLE Server.");
+ } else {
+ Serial.println("We have failed to connect to the server; there is nothin more we will do.");
+ }
+ doConnect = false;
+ }
+
+ // If we are connected to a peer BLE Server, update the characteristic each time we are reached
+ // with the current time since boot.
+ if (connected) {
+ String newValue = "Time since boot: " + String(millis()/1000);
+ Serial.println("Setting new characteristic value to \"" + newValue + "\"");
+
+ // Set the characteristic's value to be the array of bytes that is actually a string.
+ pRemoteCharacteristic->writeValue(newValue.c_str(), newValue.length());
+ }else if(doScan){
+ BLEDevice::getScan()->start(0); // this is just eample to start scan after disconnect, most likely there is better way to do it in arduino
+ }
+
+ delay(1000); // Delay a second between loops.
+} // End of loop