From 7eaff4c6036d2adcad5c5330259953c6dffda476 Mon Sep 17 00:00:00 2001
From: alanbjohnston <alan.b.johnston@gmail.com>
Date: Sat, 17 Sep 2022 18:39:38 -0400
Subject: [PATCH] volatile timer_counter

---
 cubesatsim/cubesatsim.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cubesatsim/cubesatsim.h b/cubesatsim/cubesatsim.h
index 82d7933f..6c8b4978 100644
--- a/cubesatsim/cubesatsim.h
+++ b/cubesatsim/cubesatsim.h
@@ -375,7 +375,7 @@ bool timer0_on = false;
 bool timer2_on = false;
 int timer0_number = NULL;
 int timer2_number = NULL;
-int timer_counter;
+volatile int timer_counter;
 
 char callsign[20];
 int morse_timing = 60;  // ms for a dit