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-rw-r--r--sensor/patchedBLE/examples/BLE_client/BLE_client.ino66
1 files changed, 46 insertions, 20 deletions
diff --git a/sensor/patchedBLE/examples/BLE_client/BLE_client.ino b/sensor/patchedBLE/examples/BLE_client/BLE_client.ino
index c0b6163..4c58299 100644
--- a/sensor/patchedBLE/examples/BLE_client/BLE_client.ino
+++ b/sensor/patchedBLE/examples/BLE_client/BLE_client.ino
@@ -1,19 +1,23 @@
/**
* 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("91bad492-b950-4226-aa2b-4ede9fa42f59");
+static BLEUUID serviceUUID("4fafc201-1fb5-459e-8fcc-c5c9c331914b");
// The characteristic of the remote service we are interested in.
-static BLEUUID charUUID("0d563a58-196a-48ce-ace2-dfec78acc814");
+static BLEUUID charUUID("beb5483e-36e1-4688-b7f5-ea07361b26a8");
-static BLEAddress *pServerAddress;
static boolean doConnect = false;
static boolean connected = false;
+static boolean doScan = false;
static BLERemoteCharacteristic* pRemoteCharacteristic;
+static BLEAdvertisedDevice* myDevice;
static void notifyCallback(
BLERemoteCharacteristic* pBLERemoteCharacteristic,
@@ -24,17 +28,31 @@ static void notifyCallback(
Serial.print(pBLERemoteCharacteristic->getUUID().toString().c_str());
Serial.print(" of data length ");
Serial.println(length);
+ Serial.print("data: ");
+ Serial.println((char*)pData);
}
-bool connectToServer(BLEAddress pAddress) {
+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(pAddress.toString().c_str());
+ 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(pAddress);
+ 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.
@@ -42,6 +60,7 @@ bool connectToServer(BLEAddress pAddress) {
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");
@@ -52,16 +71,22 @@ bool connectToServer(BLEAddress pAddress) {
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.
- std::string value = pRemoteCharacteristic->readValue();
- Serial.print("The characteristic value was: ");
- Serial.println(value.c_str());
+ if(pRemoteCharacteristic->canRead()) {
+ std::string value = pRemoteCharacteristic->readValue();
+ Serial.print("The characteristic value was: ");
+ Serial.println(value.c_str());
+ }
- pRemoteCharacteristic->registerForNotify(notifyCallback);
+ 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.
@@ -75,14 +100,12 @@ class MyAdvertisedDeviceCallbacks: public BLEAdvertisedDeviceCallbacks {
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.getServiceUUID().equals(serviceUUID)) {
-
- //
- Serial.print("Found our device! address: ");
- advertisedDevice.getScan()->stop();
+ if (advertisedDevice.haveServiceUUID() && advertisedDevice.isAdvertisingService(serviceUUID)) {
- pServerAddress = new BLEAddress(advertisedDevice.getAddress());
+ BLEDevice::getScan()->stop();
+ myDevice = new BLEAdvertisedDevice(advertisedDevice);
doConnect = true;
+ doScan = true;
} // Found our server
} // onResult
@@ -96,11 +119,13 @@ void setup() {
// 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 30 seconds.
+ // 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(30);
+ pBLEScan->start(5, false);
} // End of setup.
@@ -111,9 +136,8 @@ void loop() {
// 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(*pServerAddress)) {
+ if (connectToServer()) {
Serial.println("We are now connected to the BLE Server.");
- connected = true;
} else {
Serial.println("We have failed to connect to the server; there is nothin more we will do.");
}
@@ -128,6 +152,8 @@ void loop() {
// 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.