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Diffstat (limited to 'bootloaders/diskloader/src/DiskLoader.cpp')
| -rw-r--r-- | bootloaders/diskloader/src/DiskLoader.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/bootloaders/diskloader/src/DiskLoader.cpp b/bootloaders/diskloader/src/DiskLoader.cpp index 30ac1b6..2792bc6 100644 --- a/bootloaders/diskloader/src/DiskLoader.cpp +++ b/bootloaders/diskloader/src/DiskLoader.cpp @@ -109,6 +109,9 @@ const u8 _consts[] = void start_sketch() { + if (pgm_read_word(0) == -1) // no sketch has been uploaded yet - stay in bootloader + return; + L_LED_OFF(); RX_LED_OFF(); TX_LED_OFF(); |