From 4e0441ab0b9487d3bcd87cdc3373575c0fb1c9f1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Beat=20K=C3=BCng?= <beat-kueng@gmx.net>
Date: Tue, 7 Apr 2020 08:35:22 +0200
Subject: [PATCH] logger: add data format version tag

---
 src/modules/logger/logger.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/modules/logger/logger.cpp b/src/modules/logger/logger.cpp
index 1c0a9c5a9e..4362ff5b23 100644
--- a/src/modules/logger/logger.cpp
+++ b/src/modules/logger/logger.cpp
@@ -1770,6 +1770,10 @@ void Logger::write_version(LogType type)
 		write_info(type, "sys_mcu", mcu_ver);
 	}
 
+	// data versioning: increase this on every larger data change (format/semantic)
+	// 1: switch to FIFO drivers (disabled on-chip DLPF)
+	write_info(type, "ver_data_format", 1);
+
 #ifndef BOARD_HAS_NO_UUID
 
 	/* write the UUID if enabled */