From 42866db251a4016d123f063a1e6f434a8fb5266e Mon Sep 17 00:00:00 2001
From: Scott Lahteine <github@thinkyhead.com>
Date: Wed, 7 Feb 2018 06:13:28 -0600
Subject: [PATCH] Fix compile with BLUETOOTH
Addressing #7110
---
Marlin/SanityCheck.h | 2 ++
Marlin/serial.h | 1 +
2 files changed, 3 insertions(+)
diff --git a/Marlin/SanityCheck.h b/Marlin/SanityCheck.h
index 7e11dc413da..9d97ee130ea 100644
--- a/Marlin/SanityCheck.h
+++ b/Marlin/SanityCheck.h
@@ -276,6 +276,8 @@
#error "RX_BUFFER_SIZE must be a power of 2 greater than 1."
#elif TX_BUFFER_SIZE && (TX_BUFFER_SIZE < 2 || TX_BUFFER_SIZE > 256 || !IS_POWER_OF_2(TX_BUFFER_SIZE))
#error "TX_BUFFER_SIZE must be 0, a power of 2 greater than 1, and no greater than 256."
+ #elif ENABLED(BLUETOOTH)
+ #error "BLUETOOTH is only supported with AT90USB."
#endif
#elif ENABLED(SERIAL_XON_XOFF) || ENABLED(SERIAL_STATS_MAX_RX_QUEUED) || ENABLED(SERIAL_STATS_DROPPED_RX)
#error "SERIAL_XON_XOFF and SERIAL_STATS_* features not supported on USB-native AVR devices."
diff --git a/Marlin/serial.h b/Marlin/serial.h
index 1c98c8ee6f7..046419720c3 100644
--- a/Marlin/serial.h
+++ b/Marlin/serial.h
@@ -28,6 +28,7 @@
#ifdef USBCON
#include <HardwareSerial.h>
#if ENABLED(BLUETOOTH)
+ extern HardwareSerial bluetoothSerial;
#define MYSERIAL bluetoothSerial
#else
#define MYSERIAL Serial