Added support for obtaining BLE device name by parsing advertising data.

Fork of BLE_BlueNRG by Mridupawan Das

Revision:
7:e293b0f43dc7
Parent:
6:08cfc94b5f49
diff -r 08cfc94b5f49 -r e293b0f43dc7 BlueNRGGap.cpp
--- a/BlueNRGGap.cpp	Fri Jul 25 09:09:13 2014 +0000
+++ b/BlueNRGGap.cpp	Thu Jul 31 11:09:28 2014 +0000
@@ -16,10 +16,13 @@
 
 #include "BlueNRGDevice.h"
 #include "mbed.h"
+#include "Payload.h"
 
 //Local Variables
 const uint8_t *device_name;
 
+Serial pc1(USBTX, USBRX); // tx, rx
+
 /**************************************************************************/
 /*!
     @brief  Sets the advertising parameters and payload for the device
@@ -65,16 +68,53 @@
     }
 
     /* Make sure we have a payload! */
-    if (advData.getPayloadLen() == 0) {
+    if (advData.getPayloadLen() <= 0) {
         return BLE_ERROR_PARAM_OUT_OF_RANGE;
+    } else { //set the advData here in some local variable so that startAdvertising can use it.
+        Payload load(advData.getPayload(), advData.getPayloadLen());
+        
+        for(uint8_t index=0; index<load.getPayloadUnitCount(); index++) {
+            //UnitPayload unitLoad = load.getPayLoadAtIndex(index);
+            switch(load.getIDAtIndex(index)) {
+                case GapAdvertisingData::FLAGS:                              /* ref *Flags */
+                break;
+                case GapAdvertisingData::INCOMPLETE_LIST_16BIT_SERVICE_IDS:  /**< Incomplete list of 16-bit Service IDs */
+                break;
+                case GapAdvertisingData::COMPLETE_LIST_16BIT_SERVICE_IDS:    /**< Complete list of 16-bit Service IDs */
+                break;
+                case GapAdvertisingData::INCOMPLETE_LIST_32BIT_SERVICE_IDS:  /**< Incomplete list of 32-bit Service IDs (not relevant for Bluetooth 4.0) */
+                break;
+                case GapAdvertisingData::COMPLETE_LIST_32BIT_SERVICE_IDS:    /**< Complete list of 32-bit Service IDs (not relevant for Bluetooth 4.0) */
+                break;
+                case GapAdvertisingData::INCOMPLETE_LIST_128BIT_SERVICE_IDS: /**< Incomplete list of 128-bit Service IDs */
+                break;
+                case GapAdvertisingData::COMPLETE_LIST_128BIT_SERVICE_IDS:   /**< Complete list of 128-bit Service IDs */
+                break;
+                case GapAdvertisingData::SHORTENED_LOCAL_NAME:               /**< Shortened Local Name */
+                break;
+                case GapAdvertisingData::COMPLETE_LOCAL_NAME:                /**< Complete Local Name */
+                device_name = load.getDataAtIndex(index);
+                break;
+                case GapAdvertisingData::TX_POWER_LEVEL:                     /**< TX Power Level (in dBm) */
+                break;
+                case GapAdvertisingData::DEVICE_ID:                          /**< Device ID */
+                break;
+                case GapAdvertisingData::SLAVE_CONNECTION_INTERVAL_RANGE:    /**< Slave :Connection Interval Range */
+                break;
+                case GapAdvertisingData::SERVICE_DATA:                       /**< Service Data */
+                break;
+                case GapAdvertisingData::APPEARANCE:                         /**< \ref Appearance */
+                break;
+                case GapAdvertisingData::ADVERTISING_INTERVAL:               /**< Advertising Interval */
+                break;
+                case GapAdvertisingData::MANUFACTURER_SPECIFIC_DATA:        /**< Manufacturer Specific Data */                                
+                break;
+                                
+            }
+        }
+        //const uint8_t *payload = advData.getPayload();
+        
     }
-
-    //set the advData here in some local variable so that startAdvertising can use it.
-    if (advData.getPayloadLen() > 0) {
-        const uint8_t *payload = advData.getPayload();
-        device_name = advData.getPayload();
-    }
-    
     
     return BLE_ERROR_NONE;
 }
@@ -139,8 +179,27 @@
   //const char local_name[] = {AD_TYPE_COMPLETE_LOCAL_NAME,device_name[27],device_name[28],device_name[29],device_name[30], device_name[31],
    //                                                     device_name[32], device_name[33], device_name[34], device_name[35], device_name[36]};
   
-  const char local_name[] = {AD_TYPE_COMPLETE_LOCAL_NAME,device_name[13],device_name[14],device_name[15],device_name[16], device_name[17],
-                                                       device_name[18], device_name[19], device_name[20], device_name[21], device_name[22]};
+  #if 0
+  pc1.printf("Hello Teraterm\n");
+  /*const char local_name[] = {AD_TYPE_COMPLETE_LOCAL_NAME,device_name[13],device_name[14],device_name[15],device_name[16], device_name[17],
+                                                       device_name[18], device_name[19], device_name[20], device_name[21], device_name[22]};*/
+  const char local_name[] = {AD_TYPE_COMPLETE_LOCAL_NAME,'h', 'd', 'd'};
+  #else
+  
+    char *namePtr = new char[1+sizeof(device_name)];
+    namePtr[0] = AD_TYPE_COMPLETE_LOCAL_NAME;
+    pc1.printf("now setting name to: %s...\n", device_name);
+    pc1.printf("device_name length=%d", sizeof(namePtr));
+    int i=0;
+    while(device_name[i]!=0) {
+        namePtr[i+1] = device_name[i];
+        pc1.printf("%c\n", namePtr[i+1]);
+        i++;
+        }
+    
+    const char* local_name = (const char*)namePtr;   
+  
+  #endif
   
   //const char local_name[] = {AD_TYPE_COMPLETE_LOCAL_NAME,device_name[27],device_name[28]};
   const LongUUID_t HRM_SERVICE_UUID_128 = {0x18, 0x0D};