From e400ef346a317fe36dd98b821c3b04098d8b7a3c Mon Sep 17 00:00:00 2001
From: Allen Bauer <kylix.rd@gmail.com>
Date: Tue, 25 May 2021 17:08:10 -0700
Subject: [PATCH] =?UTF-8?q?=F0=9F=90=9B=20Fix=20BTT002=20variant=20MMU2=20?=
=?UTF-8?q?serial=20pins=20=F0=9F=A7=A9=20(#21980)?=
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---
.../PlatformIO/variants/MARLIN_BIGTREE_BTT002/variant.h | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/buildroot/share/PlatformIO/variants/MARLIN_BIGTREE_BTT002/variant.h b/buildroot/share/PlatformIO/variants/MARLIN_BIGTREE_BTT002/variant.h
index ecc319f47ce..59a7f24527b 100644
--- a/buildroot/share/PlatformIO/variants/MARLIN_BIGTREE_BTT002/variant.h
+++ b/buildroot/share/PlatformIO/variants/MARLIN_BIGTREE_BTT002/variant.h
@@ -264,6 +264,11 @@ extern "C" {
#define PIN_SERIAL_RX PA10
#define PIN_SERIAL_TX PA9
+// Serial Pins for the MMU2
+#define ENABLE_HWSERIAL4
+#define PIN_SERIAL4_RX PC11
+#define PIN_SERIAL4_TX PC10
+
#ifdef __cplusplus
} // extern "C"
#endif