From be99caf2a23303c5eabeef7b48c8dbd6ffc4c241 Mon Sep 17 00:00:00 2001
From: Conor Patrick <conorpp94@gmail.com>
Date: Tue, 29 Oct 2019 08:25:58 -0400
Subject: [PATCH] replace counter instead of increment for large increment

---
 targets/stm32l432/src/device.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/targets/stm32l432/src/device.c b/targets/stm32l432/src/device.c
index d2525c6..3cc4551 100644
--- a/targets/stm32l432/src/device.c
+++ b/targets/stm32l432/src/device.c
@@ -560,7 +560,11 @@ uint32_t ctap_atomic_count(uint32_t amount)
         return lastc;
     }
 
-    lastc += amount;
+    if (amount > lastc){
+        lastc = amount;
+    } else {
+        lastc += amount;
+    }
 
     if (lastc/256 > erases)
     {