From d5a7197070110f88300a4af4a7e2992b6c43b347 Mon Sep 17 00:00:00 2001
From: alanbjohnston <alan.b.johnston@gmail.com>
Date: Sun, 4 Dec 2022 15:29:28 -0500
Subject: [PATCH] force BPF present

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

diff --git a/cubesatsim/cubesatsim.ino b/cubesatsim/cubesatsim.ino
index b8e180dc..9c051f38 100644
--- a/cubesatsim/cubesatsim.ino
+++ b/cubesatsim/cubesatsim.ino
@@ -3549,7 +3549,7 @@ void config_gpio() {
   pinMode(BPF_PIN, INPUT_PULLUP);  // Read LPF to see if present
 //  pinMode(SQUELCH, INPUT);	// Squelch from TXC
 
-  if (digitalRead(BPF_PIN) == FALSE) {
+  if (digitalRead(BPF_PIN) != FALSE) {  // force BPF present
     Serial.println("BPF present - transmit enabled");
     filter_present = true;  
   }