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159 lines
5.1 KiB
159 lines
5.1 KiB
/**************************************************************************** |
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* configs/shenzhou/src/up_usbmsc.c |
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* |
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* Copyright (C) 2012 Gregory Nutt. All rights reserved. |
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* Author: Gregory Nutt <gnutt@nuttx.org> |
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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 "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_USBMSC_DEVMINOR1 |
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# define CONFIG_EXAMPLES_USBMSC_DEVMINOR1 0 |
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#endif |
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/* SLOT number(s) could depend on the board configuration */ |
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#undef STM32_MMCSDSLOTNO |
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#define STM32_MMCSDSLOTNO 0 |
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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: usbmsc_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 usbmsc_archinitialize(void) |
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{ |
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/* If examples/usbmsc 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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#ifndef CONFIG_EXAMPLES_USBMSC_BUILTIN |
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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("usbmsc_archinitialize: " |
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"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("usbmsc_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("usbmsc_archinitialize: " |
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"Bind SDIO to the MMC/SD driver, minor=%d\n", |
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CONFIG_EXAMPLES_USBMSC_DEVMINOR1); |
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ret = mmcsd_slotinitialize(CONFIG_EXAMPLES_USBMSC_DEVMINOR1, sdio); |
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if (ret != OK) |
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{ |
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message("usbmsc_archinitialize: " |
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"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("usbmsc_archinitialize: " |
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"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 Shenzhou 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_EXAMPLES_USBMSC_BUILTIN */ |
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return OK; |
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} |
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#endif /* CONFIG_STM32_SDIO */
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