bootloader: Stop USB serial device before entering the application.

Try to provide a clean slate to the application.

diff --git a/src/bootloader/main.rs b/src/bootloader/main.rs
index 8c6f149e19534d93326a7df4abf290a8a37044ed..1a0a7cc3d53ebdf1194ec88bd11a3eec541837c7 100644 (file)
--- a/src/bootloader/main.rs
+++ b/src/bootloader/main.rs
@@ -84,6 +84,8 @@ pub unsafe extern fn main() {
 
         while b.run() || application_missing() {
         }
+
+        usb_serial::shutdown();
     }
 
     jump_to_application(APPLICATION_ADDR);