mbed os with nrf51 internal bandgap enabled to read battery level

Dependents:   BLE_file_test BLE_Blink ExternalEncoder

Revision:
0:f269e3021894
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/features/FEATURE_LWIP/lwip-interface/mbed_lib.json	Sun Oct 23 15:10:02 2016 +0000
@@ -0,0 +1,21 @@
+{
+    "name": "lwip",
+    "config": {
+        "ipv4-enabled": {
+            "help": "Enable IPv4",
+            "value": true
+        },
+        "ipv6-enabled": {
+            "help": "Enable IPv6",
+            "value": false
+        },
+        "ip-ver-pref": {
+            "help": "On dual stack system the preferred stack: 4 for IPv4 and 6 for IPv6",
+            "value": 4
+        },
+        "addr-timeout": {
+            "help": "On dual stack system how long to wait preferred stack's address in seconds",
+            "value": 5
+        }
+    }
+}