54 lines
1.4 KiB
C
54 lines
1.4 KiB
C
/*
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* Copyright 2010 - 2012 Michael Ossmann
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*
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* This file is part of HackRF.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street,
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* Boston, MA 02110-1301, USA.
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*/
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#include "hackrf_core.h"
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void gpio_init()
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{
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/*
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* Basic GPIO setup for all pins. This shouldn't be necessary after a
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* reset, but we might get called at other times.
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*/
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all_pins_off();
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/* set certain pins as outputs, all others inputs */
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GPIO_DIR2 = (PIN_LED1 | PIN_LED2 | PIN_LED3);
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}
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void all_pins_off(void)
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{
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/* configure all pins for GPIO? */
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/* configure all pins as inputs */
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GPIO_PIN0 = 0;
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GPIO_PIN1 = 0;
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GPIO_PIN2 = 0;
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GPIO_PIN3 = 0;
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GPIO_PIN4 = 0;
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GPIO_PIN5 = 0;
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GPIO_PIN6 = 0;
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GPIO_PIN7 = 0;
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/* pull-up on every pin? */
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/* set all outputs low? */
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}
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