127 lines
3.9 KiB
C
127 lines
3.9 KiB
C
/****************************************************************************
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* boards/arm/stm32/hymini-stm32v/src/stm32_usbmsc.c
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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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 <syslog.h>
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#include <errno.h>
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#include <nuttx/board.h>
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#include <nuttx/sdio.h>
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#include <nuttx/mmcsd.h>
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#include "stm32.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_SYSTEM_USBMSC_DEVMINOR1
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# define CONFIG_SYSTEM_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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#ifdef CONFIG_ARCH_BOARD_HYMINI_STM32V
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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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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: board_usbmsc_initialize
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*
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* Description:
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* Perform architecture specific initialization of the USB MSC device.
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*
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****************************************************************************/
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int board_usbmsc_initialize(int port)
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{
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/* If system/usbmsc is built as an NSH command, then SD slot should
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* already have been initialized in board_app_initialize()
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* (see stm32_appinit.c).
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* In this case, there is nothing further to be done here.
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*/
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#ifndef CONFIG_NSH_BUILTIN_APPS
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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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syslog(LOG_INFO, "Initializing SDIO slot %d\n", 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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syslog(LOG_ERR, "ERROR: 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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syslog(LOG_INFO, "Bind SDIO to the MMC/SD driver, minor=%d\n",
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CONFIG_SYSTEM_USBMSC_DEVMINOR1);
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ret = mmcsd_slotinitialize(CONFIG_SYSTEM_USBMSC_DEVMINOR1, sdio);
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if (ret != OK)
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{
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syslog(LOG_ERR, ""
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"ERROR: 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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syslog(LOG_INFO, "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.
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* I need to check to see if the Hy-Mini STM32v board supports a GPIO to
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* detect if there is a card in 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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