From e294cb34581faa14e887b136685c802a84cf67e9 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 b04a640..4073fe7 100644
--- a/targets/stm32l432/src/device.c
+++ b/targets/stm32l432/src/device.c
@@ -577,7 +577,11 @@ uint32_t ctap_atomic_count(uint32_t amount)
         return lastc;
     }
 
-    lastc += amount;
+    if (amount > lastc){
+        lastc = amount;
+    } else {
+        lastc += amount;
+    }
 
     if (lastc/256 > erases)
     {