From 8f35b4cf4285141d785dd40990296c10db7035e1 Mon Sep 17 00:00:00 2001
From: Marco Scholl <develop@marco-scholl.de>
Date: Sun, 8 Dec 2024 23:05:50 +0100
Subject: [PATCH] adds unicast auto ack

---
 src/knx/tpuart_data_link_layer.cpp | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/knx/tpuart_data_link_layer.cpp b/src/knx/tpuart_data_link_layer.cpp
index ac145812..08b0c290 100644
--- a/src/knx/tpuart_data_link_layer.cpp
+++ b/src/knx/tpuart_data_link_layer.cpp
@@ -649,6 +649,15 @@ void TpUartDataLinkLayer::requestConfig()
         _platform.writeUart(U_CONFIGURE_REQ | U_CONFIGURE_MARKER_REQ);
 #endif
 
+    // Set Address for AutoACK Unicast
+    const uint16_t address = _deviceObject.individualAddress();
+    _platform.writeUart(U_SET_ADDRESS_REQ);
+    _platform.writeUart((address >> 8) & 0xFF);
+    _platform.writeUart(address & 0xFF);
+#ifdef NCN5120
+    _platform.writeUart(0xFF); // Dummy Byte needed by NCN only
+#endif
+
     // Abweichende Config
     if (_repetitions != 0b00110011)
     {