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-rw-r--r--cores/arduino/CDC.cpp8
1 files changed, 8 insertions, 0 deletions
diff --git a/cores/arduino/CDC.cpp b/cores/arduino/CDC.cpp
index 4ff6b9b..7d5afaa 100644
--- a/cores/arduino/CDC.cpp
+++ b/cores/arduino/CDC.cpp
@@ -22,6 +22,13 @@
#if defined(USBCON)
+#ifndef CDC_ENABLED
+
+#warning "! Disabled serial console via USB (CDC)!"
+#warning "! With this change you'll have to use the Arduino's reset button/pin to flash (upload)!"
+
+#else // CDC not disabled
+
typedef struct
{
u32 dwDTERate;
@@ -299,4 +306,5 @@ int32_t Serial_::readBreak() {
Serial_ Serial;
+#endif /* if defined(CDC_ENABLED) */
#endif /* if defined(USBCON) */