Flash blue LED to indicate MKM wipe completed.

1 files changed, 7 insertions, 0 deletions

diff --git a/tamper.c b/tamper.c
index e2b2127..477198e 100644
--- a/tamper.c
+++ b/tamper.c
@@ -225,10 +225,17 @@ mkm_wipe()
   for (int i = 0; i < 0x1fff; i++) /* 8192 bytes (64Kbit). */
     spi_write(0);
   mkm_chip_select(0);
+
   mkm_release();
   spi_setup(0);
 
   AVR_LED_PORT &= ~_BV(AVR_LED_RED_BIT);
+
+  /* Flash blue LED three times to indicate wipe is done */
+  for (int x = 0; x < 6; x++) {
+    AVR_LED_PORT ^= _BV(AVR_LED_BLUE_BIT);
+    for (int i = 0; i < 3200; i++);
+  }
 }
 
 static inline void