From cc0c530f3f64b440e9e78946c473e29178e50127 Mon Sep 17 00:00:00 2001
From: Peter Feerick <pfeerick@users.noreply.github.com>
Date: Tue, 14 Sep 2021 16:03:11 +1000
Subject: [PATCH] Prevent USB activation while flashing firmware (#672)

* Prevent USB activation while flashing firmware
* Also prevent USB if at FLASH_DONE screen
---
 radio/src/targets/common/arm/stm32/bootloader/boot.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/radio/src/targets/common/arm/stm32/bootloader/boot.cpp b/radio/src/targets/common/arm/stm32/bootloader/boot.cpp
index 3bbcc3b20..cc9ada8fd 100644
--- a/radio/src/targets/common/arm/stm32/bootloader/boot.cpp
+++ b/radio/src/targets/common/arm/stm32/bootloader/boot.cpp
@@ -289,7 +289,7 @@ int main()
     if (tenms) {
       tenms = 0;
 
-      if (state != ST_USB) {
+      if (state != ST_USB && state != ST_FLASHING && state != ST_FLASH_DONE) {
         if (usbPlugged()) {
           state = ST_USB;
           if (!unlocked) {