From 601b739298b8c234044e2e7f9b98bcc7767f2bad Mon Sep 17 00:00:00 2001
From: alanbjohnston <alan.b.johnston@gmail.com>
Date: Sun, 20 Nov 2022 09:58:20 -0500
Subject: [PATCH] detach interrupt then restart button isr

---
 cubesatsim/cubesatsim.ino | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/cubesatsim/cubesatsim.ino b/cubesatsim/cubesatsim.ino
index daf77215..9f7ef41d 100644
--- a/cubesatsim/cubesatsim.ino
+++ b/cubesatsim/cubesatsim.ino
@@ -305,8 +305,10 @@ void loop() {
   // check to see if the mode has changed
  if (mode != new_mode) {
     Serial.println("Changing mode");
-    if (mode == SSTV)
+    if (mode == SSTV) {
+      ITimer1.detachInterrupt();	    
       start_button_isr();  // restart button isr
+    }
     mode = new_mode;  // change modes if button pressed	 
     write_mode();	 	 
     if (new_mode != CW)