From 071779755bf232733e233ef0437289f99aafe9e7 Mon Sep 17 00:00:00 2001
From: Leon Krieg <info@madcow.dev>
Date: Sat, 19 Oct 2024 17:00:59 +0200
Subject: [PATCH] Move EOT sentinel value outside of standard ascii range
 (0-127)

---
 src/main.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/main.c b/src/main.c
index 61d09d5..fc7a7a2 100644
--- a/src/main.c
+++ b/src/main.c
@@ -94,8 +94,8 @@ void RF_Transmit(const byte *data, int size)
 		SendByte(*head++);
 	}
 
-	// EOT sentinel
-	SendByte(0x04);
+	// EOT sentinel marking the end
+	SendByte(0xFF); // FF = 1111 1111
 }
 
 int RF_Receive(byte *data, int size)
@@ -240,7 +240,7 @@ static void WriteBit(int val)
 
 	if (bit == 7) {
 		// Check for EOT sentinel
-		if (*rxhead == 0x04) {
+		if (*rxhead == 0xFF) {
 			numdata -= 8;
 			rxdone   = true;
 			rxstate  = S_IDLE;