daily_automated
This commit is contained in:
132
trunk/Arduino/ArduinoFDC/diskio.cpp
Normal file
132
trunk/Arduino/ArduinoFDC/diskio.cpp
Normal file
@@ -0,0 +1,132 @@
|
||||
// -----------------------------------------------------------------------------
|
||||
// 3.5"/5.25" DD/HD Disk controller for Arduino
|
||||
// Copyright (C) 2021 David Hansel
|
||||
//
|
||||
// This program is free software; you can redistribute it and/or modify
|
||||
// it under the terms of the GNU General Public License as published by
|
||||
// the Free Software Foundation; either version 3 of the License, or
|
||||
// (at your option) any later version.
|
||||
//
|
||||
// This program is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
//
|
||||
// You should have received a copy of the GNU General Public License
|
||||
// along with this program; if not, write to the Free Software Foundation,
|
||||
// Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
||||
// -----------------------------------------------------------------------------
|
||||
|
||||
#include "diskio.h"
|
||||
#include "ArduinoFDC.h"
|
||||
|
||||
|
||||
DSTATUS disk_status(BYTE pdrv)
|
||||
{
|
||||
// STA_NOINIT: Drive not initialized
|
||||
// STA_NODISK: No medium in the drive
|
||||
// STA_PROTECT: Write protected
|
||||
return ArduinoFDC.isWriteProtected() ? STA_PROTECT : 0;
|
||||
}
|
||||
|
||||
|
||||
DSTATUS disk_initialize(BYTE pdrv)
|
||||
{
|
||||
return ((ArduinoFDC.haveDisk() ? 0 : (STA_NODISK|STA_NOINIT)) |
|
||||
(ArduinoFDC.isWriteProtected() ? STA_PROTECT : 0));
|
||||
}
|
||||
|
||||
|
||||
DRESULT disk_read(BYTE pdrv, BYTE *buf, DWORD sec, UINT count)
|
||||
{
|
||||
DRESULT res = RES_OK;
|
||||
|
||||
byte numsec = ArduinoFDC.numSectors();
|
||||
|
||||
if( count!=1 || sec>2*numsec*ArduinoFDC.numTracks() )
|
||||
res = RES_PARERR;
|
||||
else
|
||||
{
|
||||
byte head = 0;
|
||||
byte track = sec / (numsec*2);
|
||||
byte sector = sec % (numsec*2);
|
||||
if( sector >= numsec ) { head = 1; sector -= numsec; }
|
||||
|
||||
byte r = S_NOHEADER, retry = 5;
|
||||
while( retry>0 && r!=S_OK ) { r = ArduinoFDC.readSector(track, head, sector+1, buf); retry--; }
|
||||
|
||||
if( r==S_OK )
|
||||
{
|
||||
memmove(buf, buf+1, 512);
|
||||
res = RES_OK;
|
||||
}
|
||||
else if( r==S_NOTREADY )
|
||||
res = RES_NOTRDY;
|
||||
else
|
||||
res = RES_ERROR;
|
||||
}
|
||||
|
||||
return res;
|
||||
}
|
||||
|
||||
|
||||
DRESULT disk_write(BYTE pdrv, BYTE *buf, DWORD sec, UINT count)
|
||||
{
|
||||
DRESULT res = RES_OK;
|
||||
byte numsec = ArduinoFDC.numSectors();
|
||||
|
||||
if( count!=1 || sec>2*numsec*ArduinoFDC.numTracks() )
|
||||
res = RES_PARERR;
|
||||
else
|
||||
{
|
||||
byte head = 0;
|
||||
byte track = sec / (numsec*2);
|
||||
byte sector = sec % (numsec*2);
|
||||
|
||||
if( sector >= numsec ) { head = 1; sector -= numsec; }
|
||||
|
||||
memmove(buf+1, buf, 512);
|
||||
byte r = S_NOHEADER, retry = 3;
|
||||
while( retry>0 && r!=S_OK ) { r = ArduinoFDC.writeSector(track, head, sector+1, buf, true); retry--; }
|
||||
memmove(buf, buf+1, 512);
|
||||
|
||||
if( r==S_OK )
|
||||
res = RES_OK;
|
||||
else if( r==S_NOTREADY )
|
||||
res = RES_NOTRDY;
|
||||
else if( r==S_READONLY )
|
||||
res = RES_WRPRT;
|
||||
else
|
||||
res = RES_ERROR;
|
||||
}
|
||||
|
||||
return res;
|
||||
}
|
||||
|
||||
|
||||
DRESULT disk_ioctl(BYTE pdrv, BYTE cmd, void* buff)
|
||||
{
|
||||
DRESULT res = RES_ERROR;
|
||||
|
||||
switch( cmd )
|
||||
{
|
||||
case CTRL_SYNC:
|
||||
res = RES_OK;
|
||||
break;
|
||||
|
||||
case GET_SECTOR_COUNT:
|
||||
*((DWORD *) buff) = (DWORD) ArduinoFDC.numSectors() * (DWORD) ArduinoFDC.numTracks() * 2;
|
||||
res = RES_OK;
|
||||
break;
|
||||
|
||||
case GET_SECTOR_SIZE:
|
||||
*((DWORD *) buff) = 512;
|
||||
break;
|
||||
|
||||
case GET_BLOCK_SIZE:
|
||||
*((DWORD *) buff) = 1;
|
||||
break;
|
||||
}
|
||||
|
||||
return res;
|
||||
}
|
||||
Reference in New Issue
Block a user