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-rw-r--r--firmware/main.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/firmware/main.c b/firmware/main.c
index 3787850..77493a6 100644
--- a/firmware/main.c
+++ b/firmware/main.c
@@ -26,8 +26,8 @@ static void leaveBootloader() __attribute__((__noreturn__));
#include "usbdrv/usbdrv.c"
// how many milliseconds should host wait till it sends another write?
-// this needs to be above 9, but 20 is only sensible for testing
-#define UBOOT_WRITE_SLEEP 12
+// this needs to be above 9, 12 is too low to be reliable, 15 seems to work, 20 seems safer
+#define UBOOT_WRITE_SLEEP 20
/* ------------------------------------------------------------------------ */