[Cryptech-Commits] [sw/tamper] 19/20: Flash blue LED to indicate MKM wipe completed.

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paul at psgd.org pushed a commit to branch master
in repository sw/tamper.

commit ec079fc63e74e90fe7a159d2e06a7c4cb17fe6b2
Author: Fredrik Thulin <fredrik at thulin.net>
AuthorDate: Sat Jul 16 15:05:49 2016 +0200

    Flash blue LED to indicate MKM wipe completed.
---
 tamper.c | 7 +++++++
 1 file changed, 7 insertions(+)

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