From bb73558ccc13a01090b4230c9494204335984e12 Mon Sep 17 00:00:00 2001
From: Sebastien Bourdeauducq <sebastien@milkymist.org>
Date: Sun, 12 May 2013 21:46:16 +0200
Subject: [PATCH] software/videomixer: framebuffer enable/disable

---
 software/videomixer/main.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/software/videomixer/main.c b/software/videomixer/main.c
index 10383e391..de3c97919 100644
--- a/software/videomixer/main.c
+++ b/software/videomixer/main.c
@@ -5,12 +5,15 @@
 #include <uart.h>
 #include <hw/csr.h>
 #include <hw/flags.h>
+#include <console.h>
 
 #include "dvisampler0.h"
 #include "dvisampler1.h"
 
 int main(void)
 {
+	int c;
+
 	irq_setmask(0);
 	irq_setie(1);
 	uart_init();
@@ -28,6 +31,16 @@ int main(void)
 	while(1) {
 		dvisampler0_service();
 		dvisampler1_service();
+		if(readchar_nonblock()) {
+			c = readchar();
+			if(c == '1') {
+				fb_enable_write(1);
+				printf("Framebuffer is ON\n");
+			} else if(c == '0') {
+				fb_enable_write(0);
+				printf("Framebuffer is OFF\n");
+			}
+		}
 	}
 	
 	return 0;