Add double read/write example

Author: sgbihu

libraries/CurieBLE/examples/central/CentralDouble/CentralDouble.ino

@@ -0,0 +1,101 @@
+/*
+  Arduino BLE Peripheral Double read/write test example
+  Copyright (c) 2016 Arduino LLC. All right reserved.
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+*/
+
+#include "CurieBLE.h"
+
+
+// LED pin
+#define LED_PIN   13
+
+void setup() {
+    Serial.begin(9600);
+    
+    // set LED pin to output mode
+    pinMode(LED_PIN, OUTPUT);
+
+    // begin initialization
+    BLE.begin();
+    Serial.println(BLE.address());
+    
+    BLE.scanForName("DataTest");
+}
+
+void loop() {
+    BLEDevice peripheral = BLE.available();
+    if (peripheral) 
+    {
+        Serial.println(peripheral.address());
+        BLE.stopScan();
+        // central connected to peripheral
+        controlLogic(peripheral);
+        BLE.scanForName("DataTest");
+    }
+}
+
+
+void controlLogic(BLEDevice &peripheral)
+{
+    // connect to the peripheral
+    Serial.print("Connecting ... ");
+    Serial.println(peripheral.address());
+
+    if (peripheral.connect())
+    {
+        Serial.print("Connected: ");
+        Serial.println(peripheral.address());
+    }
+    else
+    {
+        Serial.println("Failed to connect!");
+        return;
+    }
+    
+    if (peripheral.discoverAttributes() == false)
+    {
+        Serial.println("Discover failed, Disconnecting...");
+        peripheral.disconnect();
+        return;
+    }
+    
+    BLECharacteristic doubleCharacteristic = peripheral.characteristic("19b20001e8f2537e4f6cd104768a1214");
+    
+    if (!doubleCharacteristic)
+    {
+        peripheral.disconnect();
+        Serial.println("Peripheral does not have test double characteristic!");
+        delay(5000);
+        return;
+    } 
+    doubleCharacteristic.subscribe();
+    
+    while (peripheral.connected())
+    {
+        doubleCharacteristic.read();
+        delay(1000);
+        if (doubleCharacteristic.valueUpdated())
+        {
+            Serial.print("Double characteristic value: ");
+            Serial.println(doubleCharacteristic.doubleValue());
+        }
+        delay(1000);
+    }
+    Serial.print("Disconnected");
+    Serial.println(peripheral.address());
+}
+

libraries/CurieBLE/examples/peripheral/PeripheralDouble/PeripheralDouble.ino

@@ -0,0 +1,76 @@
+/*
+  Arduino BLE Peripheral Double read/write test example
+  Copyright (c) 2016 Arduino LLC. All right reserved.
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+*/
+
+#include <CurieBLE.h>
+
+// LED pin
+#define LED_PIN   13
+
+// create service
+BLEService               dataService("19b20000e8f2537e4f6cd104768a1214");
+
+// create data characteristic
+BLEDoubleCharacteristic    doubleCharacteristic("19b20001e8f2537e4f6cd104768a1214", BLERead | BLEWrite);
+
+void setup() {
+    Serial.begin(9600);
+
+    // set LED pin to output mode
+    pinMode(LED_PIN, OUTPUT);
+
+    // begin initialization
+    BLE.begin();
+    Serial.println(BLE.address());
+
+    // set advertised local name and service UUID
+    BLE.setLocalName("DataTest");
+
+    dataService.addCharacteristic(doubleCharacteristic);
+
+    // add service and characteristic
+    BLE.addService(dataService);
+
+    BLE.advertise();
+
+    Serial.println(F("BLE Test Double Peripheral"));
+}
+
+void loop() {
+  BLEDevice central = BLE.central();
+  double test_value = 0.1;
+
+  if (central) {
+    // central connected to peripheral
+    Serial.print(F("Connected to central: "));
+    Serial.println(central.address());
+
+    while (central.connected())
+    {
+        // central still connected to peripheral
+        doubleCharacteristic.writeDouble(test_value);
+        test_value += 0.3;
+        delay(2000);
+    }
+
+    // central disconnected
+    Serial.print(F("Disconnected from central: "));
+    Serial.println(central.address());
+  }
+}
+