Gymtrack / nRF51822_1

SG RFID nRF51822 fork

Fork of nRF51822 by Nordic Semiconductor

Diff: nordic/ble/ble_advdata_parser.cpp

Revision:
0:eff01767de02
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/nordic/ble/ble_advdata_parser.cpp	Wed Mar 26 14:38:17 2014 +0000
@@ -0,0 +1,21 @@
+#include "ble_advdata_parser.h"
+
+uint32_t ble_advdata_parser_field_find(uint8_t type, uint8_t * p_advdata, uint8_t * len, uint8_t ** pp_field_data)
+{
+    uint32_t index = 0;
+    
+    while (index < *len)
+    {
+        uint8_t field_length = p_advdata[index];
+        uint8_t field_type = p_advdata[index+1];
+        
+        if (field_type == type)
+        {
+            *pp_field_data = &p_advdata[index+2];
+            *len = field_length-1;
+            return NRF_SUCCESS;
+        }
+        index += field_length+1;
+    }
+    return NRF_ERROR_NOT_FOUND;
+}