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/****************************************************************************
* config/vsn/src/sdcard.c
* arch/arm/src/board/sdcard.c
*
* Copyright (C) 2011 Uros Platise. All rights reserved.
* Copyright (C) 2009 Gregory Nutt. All rights reserved.
*
* Authors: Uros Platise <uros.platise@isotel.eu>
* Gregory Nutt <spudmonkey@racsa.co.cr>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
#include <nuttx/config.h>
#include <stdbool.h>
#include <stdio.h>
#include <debug.h>
#include <errno.h>
#ifdef CONFIG_STM32_SDIO
# include <nuttx/sdio.h>
# include <nuttx/mmcsd.h>
#endif
#include "vsn.h"
#define CONFIG_NSH_HAVEMMCSD 1
#if defined(CONFIG_NSH_MMCSDSLOTNO) && CONFIG_NSH_MMCSDSLOTNO != 0
# error "Only one MMC/SD slot"
# undef CONFIG_NSH_MMCSDSLOTNO
#endif
#ifndef CONFIG_NSH_MMCSDSLOTNO
# define CONFIG_NSH_MMCSDSLOTNO 0
#endif
/* Can't support MMC/SD features if mountpoints are disabled or if SDIO support
* is not enabled.
*/
#if defined(CONFIG_DISABLE_MOUNTPOINT) || !defined(CONFIG_STM32_SDIO)
# undef CONFIG_NSH_HAVEMMCSD
#endif
#ifndef CONFIG_NSH_MMCSDMINOR
# define CONFIG_NSH_MMCSDMINOR 0
#endif
int up_sdcard(void)
{
/* Mount the SDIO-based MMC/SD block driver */
#ifdef CONFIG_NSH_HAVEMMCSD
FAR struct sdio_dev_s *sdio;
int ret;
/* First, get an instance of the SDIO interface */
sdio = sdio_initialize(CONFIG_NSH_MMCSDSLOTNO);
if (!sdio)
{
message("SDIO: Failed to initialize slot %d\n", CONFIG_NSH_MMCSDSLOTNO);
return -ENODEV;
}
message("SDIO: Initialized slot %d\n", CONFIG_NSH_MMCSDSLOTNO);
/* Now bind the SPI interface to the MMC/SD driver */
ret = mmcsd_slotinitialize(CONFIG_NSH_MMCSDMINOR, sdio);
if (ret != OK)
{
message("SDIO: Failed to bind to the MMC/SD driver: %d\n", ret);
return ret;
}
message("SDIO: Successfully bound to the MMC/SD driver\n");
/* Then let's guess and say that there is a card in the slot. I need to check to
* see if the VSN board supports a GPIO to detect if there is a card in
* the slot.
*/
sdio_mediachange(sdio, true);
#endif
return OK;
}
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