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b890446e3d
A very simple implementation, as we are very short on remaining block RAM. Simply blindly copies the entire userdata area to the SD card. This may subject the SD card to some extra wear, as well as potentially read-disturb some Flash memory pages, but this would require more code.
32 lines
1.1 KiB
C
32 lines
1.1 KiB
C
//
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// Copyright (C) 2015-2016 Markus Hiienkari <mhiienka@niksula.hut.fi>
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//
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// This file is part of Open Source Scan Converter project.
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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//
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#ifndef SDCARD_H_
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#define SDCARD_H_
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#include "alt_types.h"
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#include "sysconfig.h"
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#include "sd_io.h"
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int check_sdcard(alt_u8 *databuf);
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int copy_sd_to_flash(alt_u32 sd_blknum, alt_u32 flash_pagenum, alt_u32 length, alt_u8 *tmpbuf);
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int copy_flash_to_sd(alt_u32 flash_pagenum, alt_u32 sd_blknum, alt_u32 length, alt_u8 *tmpbuf);
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#endif /* SDCARD_H_ */
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