Update README.md

README.md

@@ -30,8 +30,14 @@ A Json description of the messages is also available.
 
 Implementation status:
 
-- Arduino: encode/decode header, encode/decode universal GNSS packets ; example sketch with GPS receiver.
-- Node-RED: decode header, decode universal GNSS packets
+- Arduino
+  - encode/decode header,
+  - encode/decode universal GNSS packets (type 1) with example/test sketch,
+  - encode/decode locally referenced packets (type 2) with example/test sketch,
+  - example sketch with GPS receiver.
+- Node-RED
+  - decode header,
+  - decode universal GNSS packets
 
 ### Arduino
 
@@ -127,9 +133,9 @@ The `device_id_size` indicates the number of Bytes of the `device_id` field. A l
 
 The `packet_type` indicates the structure of the payload. These types of packet have been described:
 
-  * `type 0` : Universal GNSS localisation
-  * `type 1` : Locally referenced localisation
-  * `type 2` : Inter-node proximity
+  * `type 1` : Universal GNSS localisation
+  * `type 2` : Locally referenced localisation
+  * `type 3` : Inter-node proximity
 
 The `movement_id_presence_flag` must be set to 1 if the `movement_id` field is present in the packet.
 
@@ -137,7 +143,7 @@ The `timestamp_presence_flag` must be set to 1 if the `timestamp` field is prese
 
 ### Payload structure by packet type
 
-#### Type 0 : Universal GNSS localisation
+#### Type 1 : Universal GNSS localisation
 
 Transport of GNSS coordinates. Altitude and DOP are optionnal. 
 
@@ -165,7 +171,7 @@ The `altitude_presence_flag` must be set to 1 if the `altitude` field is present
 
 The `dop_presence_flag` must be set to 1 if the `dop` field is present in the packet.
 
-#### Type 1 : Locally referenced localisation
+#### Type 2 : Locally referenced localisation
 
 Transport of locally referenced 2D or 3D localisation. The "repère" is identified by an UID. 
 
@@ -197,7 +203,7 @@ The `dop_presence_flag` must be set to 1 if the `dop` field is present in the pa
 
 The `frameofref_id_presence_flag` must be set to 1 if the `frameofref_id` field is present in the packet.
 
-#### Type 2 : Inter-node proximity
+#### Type 3 : Inter-node proximity
 
 Transport of raw distances (rangings) between pairs of nodes. The ranging technology can be specified.