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diff --git a/apps/sdcard/sdcard.c b/apps/sdcard/sdcard.c
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+/****************************************************************************
+ * sdcard/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 <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+
+#ifdef CONFIG_STM32_SDIO
+# include <nuttx/sdio.h>
+# include <nuttx/mmcsd.h>
+#endif
+
+
+
+/* Create device device for the SDIO-based MMC/SD block driver */
+
+int sdcard_start(int slotno)
+{
+ FAR struct sdio_dev_s *sdio;
+ int ret;
+
+ /* First, get an instance of the SDIO interface */
+
+ sdio = sdio_initialize(slotno);
+ if (!sdio)
+ {
+ printf("SDIO: Failed to initialize slot %d\n", slotno);
+ return -ENODEV;
+ }
+ printf("SDIO: Initialized slot %d\n", slotno);
+
+ /* Now bind the SPI interface to the MMC/SD driver */
+
+ ret = mmcsd_slotinitialize(slotno, sdio);
+ if (ret != OK)
+ {
+ printf("SDIO: Failed to bind to the MMC/SD driver: %d\n", ret);
+ return ret;
+ }
+ printf("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);
+
+ return OK;
+}
+
+
+int sdcard_main(int argc, char *argv[])
+{
+ int slotno;
+
+ if (argc == 3) {
+ slotno = atoi(argv[2]);
+
+ if (!strcmp(argv[1], "start")) {
+ return sdcard_start(slotno);
+ }
+ else if (!strcmp(argv[1], "stop")) {
+ }
+ else if (!strcmp(argv[1], "insert")) {
+ }
+ else if (!strcmp(argv[1], "eject")) {
+ }
+ }
+
+ printf("%s: <start" /*|stop|insert|eject*/ "> <slotno>\n", argv[0]);
+ return -1;
+}