From 185757ed413fc7bdc65cf494a6079cfed049f98e Mon Sep 17 00:00:00 2001
From: James Smith <{ID}+{username}@users.noreply.github.com>
Date: Sat, 20 Dec 2025 13:27:29 -0700
Subject: Added tud_vendor_write_clear() which forcefully clears TX buffer

---
 examples/device/webusb_serial/src/main.c | 1 +
 1 file changed, 1 insertion(+)

(limited to 'examples')

diff --git a/examples/device/webusb_serial/src/main.c b/examples/device/webusb_serial/src/main.c
index 50794bdba..155768b76 100644
--- a/examples/device/webusb_serial/src/main.c
+++ b/examples/device/webusb_serial/src/main.c
@@ -196,6 +196,7 @@ bool tud_vendor_control_xfer_cb(uint8_t rhport, uint8_t stage, tusb_control_requ
           tud_vendor_write_str("\r\nWebUSB interface connected\r\n");
           tud_vendor_write_flush();
         } else {
+          tud_vendor_write_clear(); // anything left in the buffer is now thrown out
           blink_interval_ms = BLINK_MOUNTED;
         }
 
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