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117 lines
3.8 KiB
C
117 lines
3.8 KiB
C
/**************************************************************************/
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/*!
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@file diskio.c
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@author hathach (tinyusb.org)
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@section LICENSE
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Software License Agreement (BSD License)
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Copyright (c) 2013, hathach (tinyusb.org)
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All rights reserved.
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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 are met:
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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 the
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documentation and/or other materials provided with the distribution.
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3. Neither the name of the copyright holders nor the
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names of its contributors may be used to endorse or promote products
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derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
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EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
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DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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This file is part of the tinyusb stack.
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*/
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/**************************************************************************/
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#include "boards/board.h"
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#include "tusb.h"
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#include "diskio.h"
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//--------------------------------------------------------------------+
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// INCLUDE
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//--------------------------------------------------------------------+
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//--------------------------------------------------------------------+
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// MACRO CONSTANT TYPEDEF
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//--------------------------------------------------------------------+
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static volatile DSTATUS disk_state = STA_NOINIT;
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//--------------------------------------------------------------------+
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// INTERNAL OBJECT & FUNCTION DECLARATION
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//--------------------------------------------------------------------+
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//--------------------------------------------------------------------+
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// IMPLEMENTATION
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//--------------------------------------------------------------------+
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//pdrv Specifies the physical drive number.
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DSTATUS disk_initialize ( BYTE pdrv )
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{
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return disk_state;
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}
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DSTATUS disk_status (BYTE pdrv)
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{
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return disk_state;
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}
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//pdrv
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// Specifies the physical drive number.
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//buff
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// Pointer to the byte array to store the read data. The size of buffer must be in sector size * sector count.
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//sector
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// Specifies the start sector number in logical block address (LBA).
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//count
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// Specifies number of sectors to read. The value can be 1 to 128. Generally, a multiple sector transfer request
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// must not be split into single sector transactions to the device, or you may not get good read performance.
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DRESULT disk_read (BYTE pdrv, BYTE*buff, DWORD sector, BYTE count)
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{
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}
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DRESULT disk_write (BYTE pdrv, const BYTE* buff, DWORD sector, BYTE count)
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{
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}
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DRESULT disk_ioctl (BYTE pdrv, BYTE cmd, void* buff)
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{
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}
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//DWORD get_fattime (void)
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//{
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// union {
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// struct {
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// DWORD second : 5;
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// DWORD minute : 6;
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// DWORD hour : 5;
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// DWORD day_in_month : 5;
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// DWORD month : 4;
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// DWORD year : 7;
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// };
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//
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// DWORD value
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// } timestamp =
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// {
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// .year = (2013-1980),
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// .month = 10,
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// .day_in_month = 21,
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// };
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//}
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