From f7f7d63d8a83ec5a2313e21143ff73c247c389a5 Mon Sep 17 00:00:00 2001 From: Bent Bisballe Nyeng Date: Tue, 11 Jun 2013 07:03:35 +0200 Subject: Current (broken) state of SPI/WM8723 code. --- firmware/drivers/led.c | 55 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 55 insertions(+) create mode 100644 firmware/drivers/led.c (limited to 'firmware/drivers/led.c') 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 + +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(); +} -- cgit v1.2.3