From 8265d9342cffa3f317408d266aa6a22c73f5e05b Mon Sep 17 00:00:00 2001
From: andreas <andreas@wellenvogel.de>
Date: Sat, 23 Nov 2024 20:59:25 +0100
Subject: [PATCH] #81: directly flush the tx fifo for USBCDC if connection is
 hanging

---
 lib/serial/GwSerial.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/serial/GwSerial.h b/lib/serial/GwSerial.h
index f3712ab..5646299 100644
--- a/lib/serial/GwSerial.h
+++ b/lib/serial/GwSerial.h
@@ -94,6 +94,7 @@ template<typename T>
                 if (c->isConnected()){
                     //this retriggers the ISR
                     usb_serial_jtag_ll_ena_intr_mask(USB_SERIAL_JTAG_INTR_SERIAL_IN_EMPTY);
+                    usb_serial_jtag_ll_txfifo_flush();
                 }
             }
             return rt;