164 lines
5.4 KiB
C
164 lines
5.4 KiB
C
/****************************************************************************
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* configs/stm3210e-eval/src/up_composite.c
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*
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* Copyright (C) 2009, 2011 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
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*
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* Configure and register the STM32 MMC/SD SDIO block driver.
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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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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <stdio.h>
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#include <debug.h>
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#include <errno.h>
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#include <nuttx/sdio.h>
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#include <nuttx/mmcsd.h>
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#include <nuttx/usb/composite.h>
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#include "stm32_internal.h"
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/* There is nothing to do here if SDIO support is not selected. */
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#ifdef CONFIG_STM32_SDIO
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/****************************************************************************
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* Pre-Processor Definitions
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****************************************************************************/
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/* Configuration ************************************************************/
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#ifndef CONFIG_EXAMPLES_COMPOSITE_DEVMINOR1
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# define CONFIG_EXAMPLES_COMPOSITE_DEVMINOR1 0
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#endif
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/* SLOT number(s) could depend on the board configuration */
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#ifdef CONFIG_ARCH_BOARD_STM3210E_EVAL
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# undef STM32_MMCSDSLOTNO
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# define STM32_MMCSDSLOTNO 0
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#else
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/* Add configuration for new STM32 boards here */
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# error "Unrecognized STM32 board"
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#endif
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/* Debug ********************************************************************/
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#ifdef CONFIG_CPP_HAVE_VARARGS
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# ifdef CONFIG_DEBUG
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# define message(...) lib_lowprintf(__VA_ARGS__)
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# define msgflush()
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# else
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# define message(...) printf(__VA_ARGS__)
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# define msgflush() fflush(stdout)
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# endif
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#else
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# ifdef CONFIG_DEBUG
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# define message lib_lowprintf
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# define msgflush()
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# else
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# define message printf
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# define msgflush() fflush(stdout)
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# endif
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#endif
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: composite_archinitialize
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*
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* Description:
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* Perform architecture specific initialization
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*
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****************************************************************************/
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int composite_archinitialize(void)
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{
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/* If examples/composite is built as an NSH command, then SD slot should
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* already have been initized in nsh_archinitialize() (see up_nsh.c). In
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* this case, there is nothing further to be done here.
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*
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* NOTE: CONFIG_NSH_BUILTIN_APPS is not a fool-proof indication that NSH
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* was built.
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*/
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#ifndef CONFIG_NSH_BUILTIN_APPS
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FAR struct sdio_dev_s *sdio;
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int ret;
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/* First, get an instance of the SDIO interface */
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message("composite_archinitialize: Initializing SDIO slot %d\n",
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STM32_MMCSDSLOTNO);
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sdio = sdio_initialize(STM32_MMCSDSLOTNO);
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if (!sdio)
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{
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message("composite_archinitialize: Failed to initialize SDIO slot %d\n",
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STM32_MMCSDSLOTNO);
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return -ENODEV;
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}
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/* Now bind the SDIO interface to the MMC/SD driver */
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message("composite_archinitialize: Bind SDIO to the MMC/SD driver, minor=%d\n",
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CONFIG_EXAMPLES_COMPOSITE_DEVMINOR1);
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ret = mmcsd_slotinitialize(CONFIG_EXAMPLES_COMPOSITE_DEVMINOR1, sdio);
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if (ret != OK)
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{
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message("composite_archinitialize: Failed to bind SDIO to the MMC/SD driver: %d\n",
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ret);
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return ret;
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}
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message("composite_archinitialize: Successfully bound SDIO 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 STM3210E-EVAL 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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#endif /* CONFIG_NSH_BUILTIN_APPS */
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return OK;
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}
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#endif /* CONFIG_STM32_SDIO */
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