1 files changed, 15 insertions, 0 deletions
diff --git a/data_manager.h b/data_manager.h
new file mode 100644
index 0000000..0d5c067
--- /dev/null
+++ b/data_manager.h
@@ -0,0 +1,15 @@
+#pragma once
+
+enum pressure_unit {
+	PRESSURE_UNIT_HPA,
+	PRESSURE_UNIT_INHG,
+	PRESSURE_UNIT_MAX
+};
+
+enum altitude_unit {
+	ALTITUDE_UNIT_METRE,
+	ALTITUDE_UNIT_FT,
+	ALTITUDE_UNIT_MAX
+};
+
+void data_manager_tick(void);