a255a2794b
Alan Carvalho de Assis has submitted the SGA and we can migrate the licenses to Apache. Gregory Nutt has submitted the SGA and we can migrate the licenses to Apache. Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
115 lines
3.8 KiB
C
115 lines
3.8 KiB
C
/****************************************************************************
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* boards/arm/stm32/stm32f103-minimum/src/stm32_mmcsd.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 <debug.h>
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#include <nuttx/config.h>
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#include <nuttx/mmcsd.h>
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#include <nuttx/spi/spi.h>
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#include <pthread.h>
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#include <sched.h>
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#include <time.h>
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#include <unistd.h>
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#include "stm32.h"
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#include "stm32f103_minimum.h"
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#include "stm32_spi.h"
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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#ifndef CONFIG_STM32_SPI1
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# error "SD driver requires CONFIG_STM32_SPI1 to be enabled"
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#endif
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#ifdef CONFIG_DISABLE_MOUNTPOINT
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# error "SD driver requires CONFIG_DISABLE_MOUNTPOINT to be disabled"
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#endif
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/****************************************************************************
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* Private Definitions
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****************************************************************************/
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static const int SD_SPI_PORT = 1; /* SD is connected to SPI1 port */
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static const int SD_SLOT_NO = 0; /* There is only one SD slot */
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/****************************************************************************
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* Private Functions
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****************************************************************************/
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/* NOTE: We are using a SDCard adapter/module without Card Detect pin!
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* Then we don't need to Card Detect callback here.
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*/
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: stm32_spi1register
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*
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* Description:
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* Registers media change callback
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****************************************************************************/
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int stm32_spi1register(struct spi_dev_s *dev, spi_mediachange_t callback,
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void *arg)
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{
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spiinfo("INFO: Registering spi1 device\n");
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return OK;
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}
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/****************************************************************************
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* Name: stm32_mmcsd_initialize
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*
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* Description:
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* Initialize SPI-based SD card and card detect thread.
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****************************************************************************/
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int stm32_mmcsd_initialize(int minor)
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{
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struct spi_dev_s *spi;
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int rv;
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mcinfo("INFO: Initializing mmcsd card\n");
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spi = stm32_spibus_initialize(SD_SPI_PORT);
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if (spi == NULL)
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{
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mcerr("ERROR: Failed to initialize SPI port %d\n", SD_SPI_PORT);
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return -ENODEV;
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}
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rv = mmcsd_spislotinitialize(minor, SD_SLOT_NO, spi);
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if (rv < 0)
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{
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mcerr("ERROR: Failed to bind SPI port %d to SD slot %d\n",
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SD_SPI_PORT, SD_SLOT_NO);
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return rv;
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}
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spiinfo("INFO: mmcsd card has been initialized successfully\n");
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return OK;
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}
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