115 lines
3.6 KiB
C
115 lines
3.6 KiB
C
/****************************************************************************
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* boards/arm/stm32/aiit-arm32-board/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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* @file stm32_mmcsd.c
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* @brief nuttx source code
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* https://github.com/apache/incubator-nuttx.git
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* @version 10.2.0
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* @author AIIT XUOS Lab
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* @date 2022-03-17
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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 "arm_arch.h"
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#include "chip.h"
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#include "stm32.h"
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#include <arch/board/board.h>
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#include "aiit-arm32-board.h"
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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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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* 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_spi2register(struct spi_dev_s *dev, spi_mediachange_t callback,
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void *arg)
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{
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/* TODO: media change callback */
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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 port, 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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stm32_configgpio(GPIO_MMCSD_NCD); /* Assign SD_DET */
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stm32_configgpio(GPIO_SPI2_SCK_2); /* Assign PB13 as SPI2_SCK */
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stm32_configgpio(GPIO_MMCSD_NSS); /* Assign CS */
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stm32_gpiowrite(GPIO_MMCSD_NSS, 1); /* Ensure the CS is inactive */
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mcinfo("INFO: Initializing mmcsd port %d minor %d \n",
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port, minor);
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spi = stm32_spibus_initialize(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", port);
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return -ENODEV;
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}
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rv = mmcsd_spislotinitialize(minor, minor, 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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port, minor);
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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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