Diff: source/nRF5xServiceDiscovery.h

Revision:

570:f162898cb6c4

Parent:

567:e1800bd55a9e

Child:

571:bbf6410b6a89

--- a/source/nRF5xServiceDiscovery.h	Mon Jan 11 10:19:20 2016 +0000
+++ b/source/nRF5xServiceDiscovery.h	Mon Jan 11 10:19:21 2016 +0000
@@ -41,6 +41,7 @@
         gattc(gattcIn),
         serviceIndex(0),
         numServices(0),
+        characteristicIndex(0),
         numCharacteristics(0),
         state(INACTIVE),
         services(),
@@ -94,14 +95,36 @@
         terminateServiceDiscovery();
     }
 
-    void terminate(Gap::Handle_t connectionHandle) {
-        if(connHandle == connectionHandle) {
-            terminate();
-        }
+    virtual void onTermination(ServiceDiscovery::TerminationCallback_t callback) {
+        onTerminationCallback = callback;
     }
 
-    virtual void onTermination(ServiceDiscovery::TerminationCallback_t callback) {
-        onTerminationCallback = callback;
+    /**
+     * @brief  Clear nRF5xServiceDiscovery's state.
+     *
+     * @return
+     *           BLE_ERROR_NONE if successful.
+     */
+    virtual ble_error_t reset(void) {
+        /* Clear all state that is from the parent, including private members */
+        if (ServiceDiscovery::reset() != BLE_ERROR_NONE) {
+            return BLE_ERROR_INVALID_STATE;
+        }
+
+        /* Clear derived class members */
+        serviceIndex = 0;
+        numServices = 0;
+        characteristicIndex = 0;
+        numCharacteristics = 0;
+
+        state = INACTIVE;
+
+        serviceUUIDDiscoveryQueue.reset();
+        charUUIDDiscoveryQueue.reset();
+
+        onTerminationCallback = NULL;
+
+        return BLE_ERROR_NONE;
     }
 
 private:
@@ -116,8 +139,6 @@
     void removeFirstServiceNeedingUUIDDiscovery(void);
 
     void terminateServiceDiscovery(void) {
-        discoveredCharacteristic = nRF5xDiscoveredCharacteristic();
-
         bool wasActive = isActive();
         state = INACTIVE;
 
@@ -126,24 +147,8 @@
         }
     }
 
-    void terminateCharacteristicDiscovery(ble_error_t err) {
+    void terminateCharacteristicDiscovery(void) {
         if (state == CHARACTERISTIC_DISCOVERY_ACTIVE) {
-            if(discoveredCharacteristic != nRF5xDiscoveredCharacteristic()) {
-               if(err == BLE_ERROR_NONE) {
-                    // fullfill the last characteristic
-                    discoveredCharacteristic.setLastHandle(services[serviceIndex].getEndHandle());
-
-                    if ((matchingCharacteristicUUID == UUID::ShortUUIDBytes_t(BLE_UUID_UNKNOWN)) ||
-                        ((matchingCharacteristicUUID == discoveredCharacteristic.getUUID()) &&
-                         (matchingServiceUUID != UUID::ShortUUIDBytes_t(BLE_UUID_UNKNOWN)))) {
-                        if (characteristicCallback) {
-                            characteristicCallback(&discoveredCharacteristic);
-                        }
-                    }
-               }
-               discoveredCharacteristic = nRF5xDiscoveredCharacteristic();
-            }
-
             state = SERVICE_DISCOVERY_ACTIVE;
         }
         serviceIndex++; /* Progress service index to keep discovery alive. */
@@ -157,6 +162,7 @@
 
     void resetDiscoveredCharacteristics(void) {
         numCharacteristics  = 0;
+        characteristicIndex = 0;
     }
 
 private:
@@ -303,6 +309,7 @@
 private:
     uint8_t  serviceIndex;        /**< Index of the current service being discovered. This is intended for internal use during service discovery.*/
     uint8_t  numServices;         /**< Number of services at the peers GATT database.*/
+    uint8_t  characteristicIndex; /**< Index of the current characteristic being discovered. This is intended for internal use during service discovery.*/
     uint8_t  numCharacteristics;  /**< Number of characteristics within the service.*/
 
     enum State_t {
@@ -321,19 +328,6 @@
     CharUUIDDiscoveryQueue      charUUIDDiscoveryQueue;
 
     TerminationCallback_t       onTerminationCallback;
-
-    /*
-     * The currently discovered characteristic. Discovery of a characteristic
-     * is a two phase process.
-     * First, declaration handle is fetched, it provide the UUID, the value handle and
-     * the properties of a characteristic.
-     * Second, the next declaration handle is fetched, with its declaration handle, it is
-     * possible to compute the last handle of the discovered characteristic and fill the
-     * missing part of the object.
-     * If there is no remaining characteristic to discover, the last handle of the
-     * discovered characteristic will be set to the last handle of its enclosing service.
-     */
-    nRF5xDiscoveredCharacteristic discoveredCharacteristic;
 };
 
 #endif /*__NRF_SERVICE_DISCOVERY_H__*/
\ No newline at end of file