From e8aa2eadf309fbc0c0e1418c6bee482e505fa09b Mon Sep 17 00:00:00 2001
From: Trygve Laugstøl <trygvis@inamo.no>
Date: Mon, 19 Nov 2018 23:13:50 +0100
Subject: ble-read-characteristic: working READ mode, starting on NOTIFY.

---
 include/ble/Bluetooth.h | 38 ++++++++++++++++++++++++++++++++------
 include/ble/misc.h      |  6 ++++--
 2 files changed, 36 insertions(+), 8 deletions(-)

(limited to 'include/ble')

diff --git a/include/ble/Bluetooth.h b/include/ble/Bluetooth.h
index d95d843..f97f3b8 100644
--- a/include/ble/Bluetooth.h
+++ b/include/ble/Bluetooth.h
@@ -1,7 +1,7 @@
 #ifndef BLUETOOTH_H
 #define BLUETOOTH_H
 
-#include <experimental/optional>
+#include <optional>
 #include <iosfwd>
 #include <iostream>
 #include <stdexcept>
@@ -17,23 +17,30 @@
 namespace trygvis {
 namespace bluetooth {
 
-using namespace std;
+using std::shared_ptr;
+using std::string;
+using std::vector;
+using std::map;
+using std::runtime_error;
+
 template<typename T>
-using o = std::experimental::optional<T>;
+using o = std::optional<T>;
 
 class BluetoothAdapter;
 
 class BluetoothDevice;
 
 class BluetoothGatt;
+typedef shared_ptr<BluetoothGatt> BluetoothGattPtr;
 
 class BluetoothGattService;
+typedef shared_ptr<BluetoothGattService> BluetoothGattServicePtr;
 
 class BluetoothGattCharacteristic;
-
-typedef shared_ptr<BluetoothGatt> BluetoothGattPtr;
 typedef shared_ptr<BluetoothGattCharacteristic> BluetoothGattCharacteristicPtr;
-typedef shared_ptr<BluetoothGattService> BluetoothGattServicePtr;
+
+class BluetoothGattDescriptor;
+typedef shared_ptr<BluetoothGattDescriptor> BluetoothGattDescriptorPtr;
 
 class Mac {
 public:
@@ -76,6 +83,17 @@ public:
     Iterator<T> end();
 };
 
+class BluetoothGattDescriptor {
+public:
+    static const uint8_t DISABLE_NOTIFICATION_VALUE[];
+    static const uint8_t ENABLE_INDICATION_VALUE[];
+    static const uint8_t ENABLE_NOTIFICATION_VALUE[];
+
+    virtual ~BluetoothGattDescriptor() = default;
+
+    virtual BluetoothGattCharacteristicPtr getCharacteristic() const = 0;
+};
+
 class BluetoothGattCharacteristic {
 public:
     virtual ~BluetoothGattCharacteristic() = default;
@@ -89,6 +107,12 @@ public:
     virtual uint8_t getProperties() const = 0;
 
     virtual uint16_t getValueHandle() const = 0;
+
+    virtual shared_ptr<BluetoothGattDescriptor> getDescriptor(Uuid uuid) const = 0;
+
+    virtual shared_ptr<BluetoothGattDescriptor> getDescriptor(ShortUuid uuid) const {
+        return getDescriptor(uuid.toLong());
+    };
 };
 
 class BluetoothGattService {
@@ -131,6 +155,8 @@ public:
 
     virtual ByteBuffer readValue(const BluetoothGattCharacteristicPtr &c, ByteBuffer& response) = 0;
 
+    virtual void setCharacteristicNotification(const BluetoothGattDescriptorPtr &c, bool enable) = 0;
+
     virtual void discoverServices() = 0;
 
     virtual vector<shared_ptr<BluetoothGattService>> getServices() const = 0;
diff --git a/include/ble/misc.h b/include/ble/misc.h
index 4ba3309..2508d8e 100644
--- a/include/ble/misc.h
+++ b/include/ble/misc.h
@@ -1,6 +1,6 @@
 #pragma once
 
-#include <experimental/optional>
+#include <optional>
 
 #include <cstring>
 #include <cctype>
@@ -10,7 +10,7 @@ namespace trygvis {
 namespace bluetooth {
 
 template<typename T>
-using o = std::experimental::optional<T>;
+using o = std::optional<T>;
 
 class BluetoothAdapter;
 class BluetoothDevice;
@@ -86,6 +86,8 @@ const ShortUuid PRIMARY_SERVICE{0x2800};
 const ShortUuid SECONDARY_SERVICE{0x2801};
 const ShortUuid CHARACTERISTIC{0x2803};
 
+const ShortUuid CLIENT_CHARACTERISTIC_CONFIG{0x2902};
+
 const ShortUuid TemperatureMeasurement{0x2A1C};
 }
 
-- 
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