From 4ecd3074f5d66bc852b71a1ee7b709a479f36ced Mon Sep 17 00:00:00 2001
From: alanbjohnston <alan.b.johnston@gmail.com>
Date: Sat, 18 Jan 2020 15:21:48 -0500
Subject: [PATCH] adding read to GPIO22

---
 afsk/main.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/afsk/main.c b/afsk/main.c
index 0b45e018..e8bffa1b 100644
--- a/afsk/main.c
+++ b/afsk/main.c
@@ -267,6 +267,9 @@ int main(int argc, char *argv[]) {
   wiringPiSetup ();
   pinMode (0, OUTPUT);
   pinMode (2, OUTPUT);
+  pinMode (3, INPUT);
+
+  printf("Reading: %d\n", digitalRead(3));
 
   digitalWrite (0, HIGH);
   digitalWrite (2, LOW);