From 730ebf5943e5942f917fd34915e3e4febfec55ca Mon Sep 17 00:00:00 2001
From: Paul Klapperich <paul.klapperich@botlink.com>
Date: Wed, 23 Oct 2019 17:07:41 -0500
Subject: [PATCH] Fixed putchar per spth's suggestion. Closes Issue #57

---
 Firmware/radio/serial.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/Firmware/radio/serial.c b/Firmware/radio/serial.c
index 13202739..2e70dc6b 100644
--- a/Firmware/radio/serial.c
+++ b/Firmware/radio/serial.c
@@ -537,12 +537,13 @@ serial_read_space(void)
 	return space;
 }
 
-void
-putchar(char c) __reentrant
+int 
+putchar(int c) __reentrant
 {
 	if (c == '\n')
 		_serial_write('\r');
 	_serial_write(c);
+    return c;
 }