forked from Archive/PX4-Autopilot
135 lines
4.2 KiB
C
135 lines
4.2 KiB
C
/****************************************************************************
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* sdcard/sdcard.c
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*
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* Copyright (C) 2011 Uros Platise. All rights reserved.
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* Copyright (C) 2009 Gregory Nutt. All rights reserved.
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*
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* Authors: Uros Platise <uros.platise@isotel.eu>
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* Gregory Nutt <spudmonkey@racsa.co.cr>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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#include <nuttx/config.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <errno.h>
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#ifdef CONFIG_STM32_SDIO
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# include <nuttx/sdio.h>
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# include <nuttx/mmcsd.h>
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#endif
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FAR struct sdio_dev_s *sdio_initialize(int slotno);
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void sdio_mediachange(FAR struct sdio_dev_s *dev, bool cardinslot);
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// TODO get the structure out from the slot number
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static FAR struct sdio_dev_s *sdio = NULL;
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/* Create device device for the SDIO-based MMC/SD block driver */
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int sdcard_start(int slotno)
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{
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int ret;
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/* First, get an instance of the SDIO interface */
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sdio = sdio_initialize(slotno);
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if (!sdio)
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{
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printf("SDIO: Failed to initialize slot %d\n", slotno);
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return -ENODEV;
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}
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printf("SDIO: Initialized slot %d\n", slotno);
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/* Now bind the SPI interface to the MMC/SD driver */
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ret = mmcsd_slotinitialize(slotno, sdio);
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if (ret != OK)
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{
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printf("SDIO: Failed to bind to the MMC/SD driver: %d\n", ret);
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return ret;
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}
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printf("SDIO: Successfully bound to the MMC/SD driver\n");
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/* Then let's guess and say that there is a card in the slot. I need to check to
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* see if the VSN board supports a GPIO to detect if there is a card in
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* the slot.
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*/
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sdio_mediachange(sdio, true);
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return OK;
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}
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int sdcard_main(int argc, char *argv[])
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{
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int slotno = 0;
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if (argc >= 2) {
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/* The 3rd argument is expected to be a slot number, if given */
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if (argc==3)
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slotno = atoi(argv[2]);
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/* Commands */
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if (!strcmp(argv[1], "start")) {
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return sdcard_start(slotno);
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}
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else if (!strcmp(argv[1], "stop")) {
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fprintf(stderr, "Not implemented yet\n");
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}
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else if (!strcmp(argv[1], "insert")) {
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if (sdio) {
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sdio_mediachange(sdio, true);
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return OK;
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}
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}
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else if (!strcmp(argv[1], "eject")) {
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if (sdio) {
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sdio_mediachange(sdio, false);
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return OK;
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}
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}
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else if (!strcmp(argv[1], "status")) {
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printf("SDcard #%d Status:\n", slotno);
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#ifndef CONFIG_MMCSD_HAVECARDDETECT
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printf("\t - Without SDcard detect capability\n");
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#endif
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return 0;
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}
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}
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printf("%s: <start|stop|insert|eject|status> {slotno}\n", argv[0]);
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return -1;
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}
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