From c10905623d632b49286d53c8a241ed39cfa7c5d4 Mon Sep 17 00:00:00 2001
From: Alexandre Abadie <alexandre.abadie@inria.fr>
Date: Mon, 10 Jun 2019 17:57:31 +0200
Subject: [PATCH] sys/stdio_uart: document stdin module requirement

---
 sys/include/stdio_uart.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/sys/include/stdio_uart.h b/sys/include/stdio_uart.h
index bfe975c67e..5b995d6383 100644
--- a/sys/include/stdio_uart.h
+++ b/sys/include/stdio_uart.h
@@ -13,6 +13,12 @@
  *
  * @brief       Standard input/output backend using UART
  *
+ * @warning Standard input is disabled by default on UART. To enable it, load
+ *          the `stdin` module in your application:
+ * ```
+ * USEMODULE += stdin
+ * ```
+ *
  * @{
  * @file
  *