1 files changed, 55 insertions, 0 deletions
diff --git a/firmware/drivers/led.c b/firmware/drivers/led.c
new file mode 100644
index 0000000..fe8d6f5
--- /dev/null
+++ b/firmware/drivers/led.c
@@ -0,0 +1,55 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/***************************************************************************
+ *            led.c
+ *
+ *  Sun Jun  9 12:51:55 CEST 2013
+ *  Copyright 2013 Bent Bisballe Nyeng
+ *  deva@aasimon.org
+ ****************************************************************************/
+
+/*
+ *  This file is part of Pedal2Metal.
+ *
+ *  Pedal2Metal is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  Pedal2Metal is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with Pedal2Metal; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.
+ */
+#include "led.h"
+
+#include <LPC17xx.h>
+
+int led_state = 0;
+
+void LED_Init()
+{
+	LPC_SC->PCONP |= ( 1 << 15 ); // power up GPIO
+	LPC_GPIO1->FIODIR |= 1 << 29; // puts P1.29 into output mode.
+}
+
+void LED_on()
+{
+  led_state = 1;
+  LPC_GPIO1->FIOPIN |= 1 << 29; // make P1.29 high
+}
+
+void LED_off()
+{
+  led_state = 0;
+  LPC_GPIO1->FIOPIN &= ~( 1 << 29 ); // make P1.29 low
+}
+
+void LED_toggle()
+{
+  if(led_state) LED_off();
+  else LED_on();
+}