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65 lines
1.8 KiB
C
65 lines
1.8 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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#include <io.h>
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#include "sdcard.h"
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#include "flash.h"
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#include "lcd.h"
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extern char menu_row1[LCD_ROW_LEN+1], menu_row2[LCD_ROW_LEN+1];
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SD_DEV sdcard_dev;
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int check_sdcard(alt_u8 *databuf)
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{
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SDRESULTS res;
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res = SD_Init(&sdcard_dev);
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printf("SD det status: %u\n", res);
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if (res != SD_OK)
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return res;
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return SD_Read(&sdcard_dev, databuf, 0, 0, 512);
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}
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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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{
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int retval;
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alt_u32 bytes_to_rw;
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while (length > 0) {
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bytes_to_rw = (length < SD_BLK_SIZE) ? length : SD_BLK_SIZE;
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retval = SD_Read(&sdcard_dev, tmpbuf, sd_blknum, 0, bytes_to_rw);
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if (retval != 0) {
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printf("Failed to read SD card\n");
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return -retval;
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}
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retval = write_flash(tmpbuf, bytes_to_rw, flash_pagenum);
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if (retval != 0)
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return retval;
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++sd_blknum;
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flash_pagenum += bytes_to_rw/PAGESIZE;
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length -= bytes_to_rw;
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}
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return 0;
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}
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