From 16463ef2d7c8f244e8dd983b28bac5b0e89d828d Mon Sep 17 00:00:00 2001
From: Adrian Scillato <35405447+ascillato@users.noreply.github.com>
Date: Thu, 11 Jul 2019 15:29:39 -0300
Subject: [PATCH] Update esp-knx-ip library to latest

---
 lib/esp-knx-ip-0.5.2/esp-knx-ip-send.cpp | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/lib/esp-knx-ip-0.5.2/esp-knx-ip-send.cpp b/lib/esp-knx-ip-0.5.2/esp-knx-ip-send.cpp
index 787f045bf..e71e5954c 100644
--- a/lib/esp-knx-ip-0.5.2/esp-knx-ip-send.cpp
+++ b/lib/esp-knx-ip-0.5.2/esp-knx-ip-send.cpp
@@ -188,12 +188,14 @@ void ESPKNXIP::send_4byte_float(address_t const &receiver, knx_command_type_t ct
 
 void ESPKNXIP::send_14byte_string(address_t const &receiver, knx_command_type_t ct, const char *val)
 {
-	uint8_t buf[14];
+	// DPT16 strings are always 14 bytes long, however the data array is one larger due to the telegram structure.
+	// The first byte needs to be zero, string start after that.
+	uint8_t buf[15] = {0x00};
 	int len = strlen(val);
 	if (len > 14)
 	{
 		len = 14;
 	}
-	memcpy(buf, val, len);
-	send(receiver, ct, 14, buf);
+	memcpy(buf+1, val, len);
+	send(receiver, ct, 15, buf);
 }