From 931806b02c4531e3629ee92a8854abc9614739c5 Mon Sep 17 00:00:00 2001
From: Guilhem Moulin <guilhem@fripost.org>
Date: Tue, 25 Jun 2019 17:59:05 +0200
Subject: Optionally enable communicating with the host.

Add ENABLE_SERIAL=1 to the build environment to enable that feature.
---
 README | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'README')

diff --git a/README b/README
index e8fda53..1a601c8 100644
--- a/README
+++ b/README
@@ -36,6 +36,10 @@ Initialize (or update) submodules:
 
     ~$ make
 
+To enable communicating with the host via a simple Serial protocol, use
+
+    ~$ ENABLE_SERIAL=1 make
+
 
 Flash firmware
 ==============
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