4 * This file is part of BeRTOS.
6 * Bertos is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
20 * As a special exception, you may use this file as part of a free software
21 * library without restriction. Specifically, if other files instantiate
22 * templates or use macros or inline functions from this file, or you compile
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24 * file does not by itself cause the resulting executable to be covered by
25 * the GNU General Public License. This exception does not however
26 * invalidate any other reasons why the executable file might be covered by
27 * the GNU General Public License.
29 * Copyright 2009 Develer S.r.l. (http://www.develer.com/)
30 * All Rights Reserved.
33 * \brief SD driver hardware-specific definitions.
37 * \author Luca Ottaviano <lottaviano@develer.com>
43 #define SD_CS_INIT() do { PIOA_PER = BV(11); PIOA_OER = BV(11); } while(0)
44 #define SD_CS_ON() do { PIOA_CODR = BV(11); } while(0)
45 #define SD_CS_OFF() do { PIOA_SODR = BV(11); } while(0)
47 #define SD_PIN_INIT() do { PIOA_PER = BV(30) | BV(31); PIOA_PUER = BV(30) | BV(31); } while(0)
48 #define SD_CARD_PRESENT() (!(PIOA_PDSR & BV(31)))
49 #define SD_WRITE_PROTECT() ((PIOA_PDSR & BV(30)))