From: Matt Mullins <mmullins@mmlx.us>
Date: Sun, 23 Dec 2012 22:09:25 +0000 (-0800)
Subject: Only use input when the previous byte is complete
X-Git-Url: http://git.mmlx.us/?a=commitdiff_plain;h=02608ed76dd8cc195e1a9716e8f66eda1cdf1582;p=stellaris%2Fled_blink.git

Only use input when the previous byte is complete
---

diff --git a/main.c b/main.c
index 0aed93b..d6cdc51 100644
--- a/main.c
+++ b/main.c
@@ -93,12 +93,13 @@ __attribute__((isr))
 void uart0_isr() {
 	// Receive data, increment by 1 and send it back through the UART
 	int data = UART0_DR_R & 0xFF;
-	blink_char = data;
+	if (!bit_count) {
+		blink_char = data;
+		bit_count = 8;
+	}
 
 	data = (data + 1) & 0xFF;
 	UART0_DR_R = data;
-
-	bit_count = 8;
 }
 
 __attribute__((isr))