From ffd854a303cbcd7e711ed21472bcea35d81b5170 Mon Sep 17 00:00:00 2001
From: Conor Patrick <conorpp94@gmail.com>
Date: Sun, 11 Aug 2019 18:05:08 +0800
Subject: [PATCH] only 1 user presence auth per button press

---
 targets/stm32l432/src/device.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/targets/stm32l432/src/device.c b/targets/stm32l432/src/device.c
index 3618563..d211bdd 100644
--- a/targets/stm32l432/src/device.c
+++ b/targets/stm32l432/src/device.c
@@ -509,6 +509,7 @@ int ctap_user_presence_test(uint32_t up_delay)
     // "cache" button presses for 2 seconds.
     if (millis() - __last_button_press_time < 2000)
     {
+        __last_button_press_time = 0;
         return 1;
     }
 #if SKIP_BUTTON_CHECK_WITH_DELAY