Diff: SimpleBLE.h

Revision:

4:0c99ff9d2373

Parent:

2:15329a3de04c

Child:

5:9b33cae085cc

--- a/SimpleBLE.h	Fri Aug 19 10:58:38 2016 +0200
+++ b/SimpleBLE.h	Fri Aug 19 11:47:47 2016 +0200
@@ -13,11 +13,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
- 
+
 #include <string>
 #include <sstream>
 #include <vector>
 #include <map>
+#include "mbed_events.h"
 #include "ble/BLE.h"
 
 #define def_fn(T, postfix) \
@@ -75,7 +76,7 @@
 class SimpleCharBase {
 public:
     virtual void update(T newValue) = 0;
-    virtual T* getValue(void) = 0;  
+    virtual T* getValue(void) = 0;
 };
 
 /**
@@ -85,16 +86,16 @@
 template <class T, template <typename T2> class U>
 class SimpleCharInternal : public Updatable, public SimpleCharBase<T> {
 public:
-    SimpleCharInternal(BLE* aBle, 
-               const UUID &uuid, 
-               GattCharacteristic::Properties_t aGattChar, 
+    SimpleCharInternal(BLE* aBle,
+               const UUID &uuid,
+               GattCharacteristic::Properties_t aGattChar,
                T aDefaultValue,
                void(*aCallback)(T) = NULL) :
         ble(aBle), value(new T(aDefaultValue)), callback(aCallback)
     {
         state = new U<T>(uuid, value, aGattChar);
     }
-    
+
     ~SimpleCharInternal() {
         if (state) {
             free(state);
@@ -103,12 +104,12 @@
             free(value);
         }
     }
-    
+
     virtual void update(T newValue) {
         *value = newValue;
         ble->gattServer().write(state->getValueHandle(), (uint8_t *)value, sizeof(T));
     }
-    
+
     U<T>* getChar(void) {
         return state;
     }
@@ -116,7 +117,7 @@
     virtual T* getValue(void) {
         return value;
     }
-    
+
     virtual void onDataWritten(const uint8_t* data, size_t len) {
         *value = ((T*)data)[0];
         if (callback) {
@@ -153,7 +154,7 @@
     operator T() const {
         return *(base->getValue());
     };
-    
+
 private:
     SimpleCharBase<T>* base;
 };
@@ -161,38 +162,36 @@
 
 class SimpleBLE {
 public:
-    SimpleBLE(const char* aName, uint16_t aInterval = 1000, bool aLogging = true) 
-        : name(aName), interval(aInterval), logging(aLogging) 
+    SimpleBLE(const char* aName, uint16_t aInterval = 1000, bool aLogging = true)
+        : name(aName), interval(aInterval), logging(aLogging)
     {
         ble = &BLE::Instance();
     }
     ~SimpleBLE() {}
-    
-    void start() {
+
+    void start(EventQueue* aEventQueue) {
+        eventQueue = aEventQueue;
+
         ble->init(this, &SimpleBLE::bleInitComplete);
-    
+        ble->onEventsToProcess(BLE::OnEventsToProcessCallback_t(this, &SimpleBLE::scheduleBleEventsProcessing));
+
         /* SpinWait for initialization to complete. This is necessary because the
          * BLE object is used in the main loop below. */
         while (ble->hasInitialized()  == false) { /* spin loop */ }
     }
-    
-    // Start up the BLE service and just run with it!
-    void waitForEvent() {
-        ble->waitForEvent();
-    }    
-    
+
     void onDisconnection(Gap::DisconnectionEventCallback_t callback) {
         ble->gap().onDisconnection(callback);
     }
-    
+
     void onConnection(Gap::ConnectionEventCallback_t callback) {
         ble->gap().onConnection(callback);
     }
-    
+
     BLE* getBle(void) {
         return ble;
     }
-    
+
     def_fn(uint8_t, u8)
     def_fn(uint16_t, u16)
     def_fn(uint32_t, u32)
@@ -201,41 +200,41 @@
     def_fn(int32_t, i32)
     def_fn(bool, bool)
     def_fn(float, float)
-    
+
 private:
     void bleInitComplete(BLE::InitializationCompleteCallbackContext *params)
     {
         if (logging) printf("bleInitComplete\r\n");
-        
+
         BLE&        ble   = params->ble;
         ble_error_t error = params->error;
-    
+
         if (error != BLE_ERROR_NONE) {
             if (logging) printf("BLE Init error %d\r\n", error);
             return;
         }
-    
+
         /* Ensure that it is the default instance of BLE */
         if(ble.getInstanceID() != BLE::DEFAULT_INSTANCE) {
             return;
         }
 
         ble.gattServer().onDataWritten(this, &SimpleBLE::onDataWrittenCallback);
-        
+
         // let's add some services yo (why is there no 'auto' in mbed?)
         uint16_t uuid16_list[uint16_services.size()];
         size_t uuid16_counter = 0;
-        {   
+        {
             typedef std::map<uint16_t, vector<GattCharacteristic*>* >::iterator it_type;
             for(it_type it = uint16_services.begin(); it != uint16_services.end(); it++) {
                 if (logging) printf("Creating service 0x%x\n", it->first);
-                uuid16_list[uuid16_counter++] = it->first;            
-    
+                uuid16_list[uuid16_counter++] = it->first;
+
                 GattCharacteristic* charTable[it->second->size()];
                 for (size_t git = 0; git < it->second->size(); git++) {
                     charTable[git] = it->second->at(git);
                 }
-    
+
                 GattService service(it->first, charTable, it->second->size());
                 ble.gattServer().addService(service);
             }
@@ -248,13 +247,13 @@
             typedef std::map<string, vector<GattCharacteristic*>* >::iterator it_type;
             for(it_type it = uint128_services.begin(); it != uint128_services.end(); it++) {
                 if (logging) printf("Creating service %s\n", it->first.c_str());
-                uuid128_list[uuid128_counter++] = it->first.c_str();            
-    
+                uuid128_list[uuid128_counter++] = it->first.c_str();
+
                 GattCharacteristic* charTable[it->second->size()];
                 for (size_t git = 0; git < it->second->size(); git++) {
                     charTable[git] = it->second->at(git);
                 }
-    
+
                 GattService service(UUID(it->first.c_str()), charTable, it->second->size());
                 ble.gattServer().addService(service);
             }
@@ -267,10 +266,10 @@
         ble.gap().setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED);
         ble.gap().setAdvertisingInterval(interval);
         ble.gap().startAdvertising();
-        
+
         if (logging) printf("Started advertising\r\n");
     }
-    
+
     void onDataWrittenCallback(const GattWriteCallbackParams *params) {
         // see if we know for which char this message is...
         typedef std::map<GattCharacteristic*, Updatable* >::iterator it_type;
@@ -280,7 +279,7 @@
             }
         }
     }
-    
+
     void addToServices(uint16_t uuid, GattCharacteristic* c) {
         if (uint16_services.count(uuid) == 0) {
             uint16_services[uuid] = new vector<GattCharacteristic*>();
@@ -288,7 +287,7 @@
 
         uint16_services[uuid]->push_back(c);
     }
-    
+
     void addToServices(const char* aUuid, GattCharacteristic* c) {
         string uuid(aUuid);
         if (uint128_services.count(uuid) == 0) {
@@ -297,58 +296,62 @@
 
         uint128_services[uuid]->push_back(c);
     }
-    
+
+    void scheduleBleEventsProcessing(BLE::OnEventsToProcessCallbackContext* context) {
+        eventQueue->call(Callback<void()>(ble, &BLE::processEvents));
+    }
+
     // === START READONLY ===
-    
+
     template <typename T>
-    SimpleChar<T> readOnly(uint16_t serviceUuid, 
-                                     const UUID& charUuid, 
+    SimpleChar<T> readOnly(uint16_t serviceUuid,
+                                     const UUID& charUuid,
                                      bool enableNotify = true,
                                      T defaultValue = T()) {
-        GattCharacteristic::Properties_t gattChar = enableNotify ? 
+        GattCharacteristic::Properties_t gattChar = enableNotify ?
             GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY :
             GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_READ;
 
-        SimpleCharInternal<T, ReadOnlyGattCharacteristic>* c = 
+        SimpleCharInternal<T, ReadOnlyGattCharacteristic>* c =
             new SimpleCharInternal<T, ReadOnlyGattCharacteristic>(ble, charUuid, gattChar, defaultValue);
-        
+
         addToServices(serviceUuid, c->getChar());
-        
+
         return *(new SimpleChar<T>(c));
     }
 
     template <typename T>
-    SimpleChar<T> readOnly(const char* serviceUuid, 
-                                     const UUID& charUuid, 
+    SimpleChar<T> readOnly(const char* serviceUuid,
+                                     const UUID& charUuid,
                                      bool enableNotify = true,
                                      T defaultValue = T()) {
-        GattCharacteristic::Properties_t gattChar = enableNotify ? 
+        GattCharacteristic::Properties_t gattChar = enableNotify ?
             GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY :
             GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_READ;
 
-        SimpleCharInternal<T, ReadOnlyGattCharacteristic>* c = 
+        SimpleCharInternal<T, ReadOnlyGattCharacteristic>* c =
             new SimpleCharInternal<T, ReadOnlyGattCharacteristic>(ble, charUuid, gattChar, defaultValue);
-        
+
         addToServices(serviceUuid, c->getChar());
 
         return *(new SimpleChar<T>(c));
     }
 
     // === END READONLY ===
-    
+
     // === START READWRITE ===
 
     template <typename T>
-    SimpleChar<T> readWrite(uint16_t serviceUuid, 
-                                      const UUID& charUuid, 
+    SimpleChar<T> readWrite(uint16_t serviceUuid,
+                                      const UUID& charUuid,
                                       bool enableNotify = true,
                                       T defaultValue = T(),
                                       void(*callback)(T) = NULL) {
-        GattCharacteristic::Properties_t gattChar = enableNotify ? 
+        GattCharacteristic::Properties_t gattChar = enableNotify ?
             GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY :
             GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_READ;
 
-        SimpleCharInternal<T, ReadWriteGattCharacteristic>* c = 
+        SimpleCharInternal<T, ReadWriteGattCharacteristic>* c =
             new SimpleCharInternal<T, ReadWriteGattCharacteristic>(ble, charUuid, gattChar, defaultValue, callback);
 
         addToServices(serviceUuid, c->getChar());
@@ -357,52 +360,52 @@
 
         return *(new SimpleChar<T>(c));
     }
-    
-    
+
+
 
     template <typename T>
-    SimpleChar<T> readWrite(const char* serviceUuid, 
-                                      const UUID& charUuid, 
+    SimpleChar<T> readWrite(const char* serviceUuid,
+                                      const UUID& charUuid,
                                       bool enableNotify = true,
                                       T defaultValue = T(),
                                       void(*callback)(T) = NULL) {
-        GattCharacteristic::Properties_t gattChar = enableNotify ? 
+        GattCharacteristic::Properties_t gattChar = enableNotify ?
             GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY :
             GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_READ;
 
-        SimpleCharInternal<T, ReadWriteGattCharacteristic>* c = 
+        SimpleCharInternal<T, ReadWriteGattCharacteristic>* c =
             new SimpleCharInternal<T, ReadWriteGattCharacteristic>(ble, charUuid, gattChar, defaultValue, callback);
 
         addToServices(serviceUuid, c->getChar());
 
         writeCallbacks[c->getChar()] = c;
-        
+
         return *(new SimpleChar<T>(c));
     }
-    
+
     template <typename T>
-    SimpleChar<T> readWrite(uint16_t serviceUuid, 
-                                      const UUID& charUuid, 
+    SimpleChar<T> readWrite(uint16_t serviceUuid,
+                                      const UUID& charUuid,
                                       void(*callback)(T) = NULL) {
         return readWrite(serviceUuid, charUuid, true, T(), callback);
     }
 
     template <typename T>
-    SimpleChar<T> readWrite(const char* serviceUuid, 
-                                      const UUID& charUuid, 
+    SimpleChar<T> readWrite(const char* serviceUuid,
+                                      const UUID& charUuid,
                                       void(*callback)(T) = NULL) {
         return readWrite(serviceUuid, charUuid, true, T(), callback);
     }
-    
+
     // === END READWRITE ===
-    
+
     // === START WRITEONLY ===
 
     template <typename T>
-    SimpleChar<T> writeOnly(uint16_t serviceUuid, 
+    SimpleChar<T> writeOnly(uint16_t serviceUuid,
                                       const UUID& charUuid,
                                       void(*callback)(T) = NULL) {
-        SimpleCharInternal<T, WriteOnlyGattCharacteristic>* c = 
+        SimpleCharInternal<T, WriteOnlyGattCharacteristic>* c =
             new SimpleCharInternal<T, WriteOnlyGattCharacteristic>(ble, charUuid, GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NONE, T(), callback);
 
         addToServices(serviceUuid, c->getChar());
@@ -413,20 +416,20 @@
     }
 
     template <typename T>
-    SimpleChar<T> writeOnly(const char* serviceUuid, 
+    SimpleChar<T> writeOnly(const char* serviceUuid,
                                       const UUID& charUuid,
                                       void(*callback)(T) = NULL) {
 
-        SimpleCharInternal<T, WriteOnlyGattCharacteristic>* c = 
+        SimpleCharInternal<T, WriteOnlyGattCharacteristic>* c =
             new SimpleCharInternal<T, WriteOnlyGattCharacteristic>(ble, charUuid, GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NONE, T(), callback);
 
         addToServices(serviceUuid, c->getChar());
 
         writeCallbacks[c->getChar()] = c;
-        
+
         return *(new SimpleChar<T>(c));
     }
-    
+
     // === END WRITEONLY ===
 
     BLE* ble;
@@ -436,5 +439,6 @@
     map<uint16_t, vector<GattCharacteristic*>* > uint16_services;
     map<string, vector<GattCharacteristic*>* > uint128_services;
     map<GattCharacteristic*, Updatable*> writeCallbacks;
+    EventQueue* eventQueue;
 };