diff options
Diffstat (limited to 'cores/arduino/USBCore.cpp')
-rw-r--r-- | cores/arduino/USBCore.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/cores/arduino/USBCore.cpp b/cores/arduino/USBCore.cpp index 398bc73..7924078 100644 --- a/cores/arduino/USBCore.cpp +++ b/cores/arduino/USBCore.cpp @@ -599,6 +599,8 @@ ISR(USB_GEN_vect) { #ifdef CDC_ENABLED USB_Flush(CDC_TX); // Send a tx frame if found + while (USB_Available(CDC_RX)) // Handle received bytes (if any) + Serial.accept(); #endif // check whether the one-shot period has elapsed. if so, turn off the LED |