Diff: nordic/softdevice_handler.cpp

Revision:

37:c29c330d942c

Parent:

0:eff01767de02

Child:

51:63ba3bcf5cd6

--- a/nordic/softdevice_handler.cpp	Thu Jul 03 10:01:02 2014 +0100
+++ b/nordic/softdevice_handler.cpp	Mon Jul 07 13:43:31 2014 +0100
@@ -21,7 +21,7 @@
 
 #if defined(ANT_STACK_SUPPORT_REQD) && defined(BLE_STACK_SUPPORT_REQD)
     #include "ant_interface.h"
-#elif defined(ANT_STACK_SUPPORT_REQD) 
+#elif defined(ANT_STACK_SUPPORT_REQD)
     #include "ant_interface.h"
 #elif defined(BLE_STACK_SUPPORT_REQD)
     #include "ble.h"
@@ -96,7 +96,7 @@
 
             // Pull event from SOC.
             err_code = sd_evt_get(&evt_id);
-            
+
             if (err_code == NRF_ERROR_NOT_FOUND)
             {
                 no_more_soc_evts = true;
@@ -205,7 +205,7 @@
     {
         return NRF_ERROR_INVALID_PARAM;
     }
-    
+
     // Check that buffer is correctly aligned.
     if (!is_word_aligned(p_evt_buffer))
     {
@@ -214,28 +214,58 @@
 
     m_evt_buffer = (uint8_t *)p_evt_buffer;
 #else
-    // The variable p_evt_buffer is not needed if neither BLE Stack nor ANT stack support is 
+    // The variable p_evt_buffer is not needed if neither BLE Stack nor ANT stack support is
     // required.
     UNUSED_PARAMETER(p_evt_buffer);
 #endif
 
-#if defined (BLE_STACK_SUPPORT_REQD)     
+#if defined (BLE_STACK_SUPPORT_REQD)
     m_ble_evt_buffer_size = evt_buffer_size;
 #else
     // The variable evt_buffer_size is not needed if BLE Stack support is NOT required.
     UNUSED_PARAMETER(evt_buffer_size);
 #endif
-    
+
     m_evt_schedule_func = evt_schedule_func;
 
     // Initialize SoftDevice.
-   
+
     err_code = sd_softdevice_enable(clock_source, softdevice_assertion_handler);
     if (err_code != NRF_SUCCESS)
     {
         return err_code;
     }
 
+    /**
+     * Using this call, the application can select whether to include the
+     * Service Changed characteristic in the GATT Server. The default in all
+     * previous releases has been to include the Service Changed characteristic,
+     * but this affects how GATT clients behave. Specifically, it requires
+     * clients to subscribe to this attribute and not to cache attribute handles
+     * between connections unless the devices are bonded. If the application
+     * does not need to change the structure of the GATT server attributes at
+     * runtime this adds unnecessary complexity to the interaction with peer
+     * clients. If the SoftDevice is enabled with the Service Changed
+     * Characteristics turned off, then clients are allowed to cache attribute
+     * handles making applications simpler on both sides.
+     */
+    ble_enable_params_t enableParams = {
+        .gatts_enable_params = {
+            .service_changed = 0
+        }
+    };
+    if ((err_code = sd_ble_enable(&enableParams)) != NRF_SUCCESS) {
+        return err_code;
+    }
+
+    ble_gap_addr_t addr;
+    if ((err_code = sd_ble_gap_address_get(&addr)) != NRF_SUCCESS) {
+        return err_code;
+    }
+    if ((err_code = sd_ble_gap_address_set(BLE_GAP_ADDR_CYCLE_MODE_NONE, &addr)) != NRF_SUCCESS) {
+        return err_code;
+    }
+
     m_softdevice_enabled = true;
     // Enable BLE event interrupt (interrupt priority has already been set by the stack).
     return sd_nvic_EnableIRQ(SWI2_IRQn);
@@ -245,7 +275,7 @@
 uint32_t softdevice_handler_sd_disable(void)
 {
     uint32_t err_code = sd_softdevice_disable();
- 
+
     m_softdevice_enabled = !(err_code == NRF_SUCCESS);
 
     return err_code;