diff options
Diffstat (limited to 'Bootloaders/CDC/BootloaderCDC.c')
| -rw-r--r-- | Bootloaders/CDC/BootloaderCDC.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/Bootloaders/CDC/BootloaderCDC.c b/Bootloaders/CDC/BootloaderCDC.c index f66a483e6..c7eeb929a 100644 --- a/Bootloaders/CDC/BootloaderCDC.c +++ b/Bootloaders/CDC/BootloaderCDC.c @@ -91,6 +91,10 @@ void Application_Jump_Check(void) if ((MCUSR & (1 << WDRF)) && (MagicBootKey == MAGIC_BOOT_KEY)) JumpToApplication |= true; + /* Don't run the user application if the reset vector is blank (no app loaded) */ + if (pgm_read_word_near(0) == 0xFFFF) + JumpToApplication = false; + /* If a request has been made to jump to the user application, honor it */ if (JumpToApplication) { |