From a06ea914a745c95ca286ea41337ff5bbf3d02cbd Mon Sep 17 00:00:00 2001
From: "Jan \"Yenya\" Kasprzak" <kas@fi.muni.cz>
Date: Sun, 30 Sep 2012 22:22:10 +0200
Subject: [PATCH] gpio: suspend function, status poweroff led

---
 firmware/gpio.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/firmware/gpio.c b/firmware/gpio.c
index d1efaaa..d2a240b 100644
--- a/firmware/gpio.c
+++ b/firmware/gpio.c
@@ -13,6 +13,21 @@ void gpio_init()
 	gpio_set(1, 1);
 }
 
+void susp_gpio()
+{
+	DDRB &=  ~(_BV(PB0) | _BV(PB2));     // LED4, LED5
+	PORTB &=~ (_BV(PB0) | _BV(PB2));
+
+	DDRA &=  ~(_BV(PA3) | _BV(PA4));     // LED6, LED7
+	PORTA &=~ (_BV(PA3) | _BV(PA4));
+}
+
+void gpio_before_poweroff()
+{
+	DDRA |= _BV(PA4);
+	PORTA |= _BV(PA4);
+}
+
 void gpio_set(unsigned char n, unsigned char on)
 {
 	if (on) {
-- 
2.39.3