136 lines
4.0 KiB
C
136 lines
4.0 KiB
C
/**
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* @file fatfs_sdio_sd.c
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* @brief
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*
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* Copyright (c) 2021 Bouffalolab team
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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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/* Low level disk I/O module skeleton for FatFs (C)ChaN, 2019 */
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/*-----------------------------------------------------------------------*/
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/* If a working storage control module is available, it should be */
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/* attached to the FatFs via a glue function rather than modifying it. */
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/* This is an example of glue functions to attach various exsisting */
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/* storage control modules to the FatFs module with a defined API. */
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/*-----------------------------------------------------------------------*/
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#include "ff.h" /* Obtains integer types */
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#include "diskio.h" /* Declarations of disk functions */
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#include "bsp_sdio_sdcard.h"
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static sd_card_t gSDCardInfo;
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extern const char *FR_Table[];
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int MMC_disk_status()
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{
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return 0;
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}
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int MMC_disk_initialize()
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{
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static uint8_t inited = 0;
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if (inited == 0) {
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if (SDH_Init(SDH_DATA_BUS_WIDTH_4BITS, &gSDCardInfo) == SD_OK) {
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inited = 1;
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return 0;
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} else {
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return -1;
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}
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}
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return 0;
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}
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int MMC_disk_read(BYTE *buff, LBA_t sector, UINT count)
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{
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if (SD_OK == SDH_ReadMultiBlocks(buff, sector, gSDCardInfo.blockSize, count)) {
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return 0;
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} else {
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return -1;
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}
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}
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int MMC_disk_write(const BYTE *buff, LBA_t sector, UINT count)
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{
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if (SD_OK == SDH_WriteMultiBlocks((uint8_t *)buff, sector, gSDCardInfo.blockSize, count)) {
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return 0;
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} else {
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return -1;
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}
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}
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int MMC_disk_ioctl(BYTE cmd, void *buff)
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{
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switch (cmd) {
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// Get R/W sector size (WORD)
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case GET_SECTOR_SIZE:
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*(WORD *)buff = gSDCardInfo.blockSize;
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break;
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// Get erase block size in unit of sector (DWORD)
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case GET_BLOCK_SIZE:
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*(DWORD *)buff = 1;
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break;
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case GET_SECTOR_COUNT:
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*(DWORD *)buff = gSDCardInfo.blockCount;
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break;
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case CTRL_SYNC:
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break;
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default:
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break;
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}
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return 0;
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}
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DWORD get_fattime(void)
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{
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return ((DWORD)(2015 - 1980) << 25) /* Year 2015 */
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| ((DWORD)1 << 21) /* Month 1 */
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| ((DWORD)1 << 16) /* Mday 1 */
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| ((DWORD)0 << 11) /* Hour 0 */
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| ((DWORD)0 << 5) /* Min 0 */
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| ((DWORD)0 >> 1); /* Sec 0 */
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}
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DSTATUS Translate_Result_Code(int result)
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{
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// MSG("%s\r\n",FR_Table[result]);
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return result;
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}
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void fatfs_sdio_driver_register(void)
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{
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FATFS_DiskioDriverTypeDef pNewDiskioDriver;
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memset(&pNewDiskioDriver, 0, sizeof(FATFS_DiskioDriverTypeDef));
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pNewDiskioDriver.MMC_disk_status = MMC_disk_status;
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pNewDiskioDriver.MMC_disk_initialize = MMC_disk_initialize;
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pNewDiskioDriver.MMC_disk_write = MMC_disk_write;
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pNewDiskioDriver.MMC_disk_read = MMC_disk_read;
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pNewDiskioDriver.MMC_disk_ioctl = MMC_disk_ioctl;
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pNewDiskioDriver.Translate_Result_Code = Translate_Result_Code;
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disk_driver_callback_init(&pNewDiskioDriver);
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}
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