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[stage2] Support sector sizes up to 4K in FatFs.
Note: SD cards always have a sector size of 512 bytes.
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2 changed files with 9 additions and 2 deletions
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@ -116,6 +116,13 @@ DRESULT disk_ioctl (
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void *buff /* Buffer to send/receive control data */
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)
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{
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device_partition_t *devpart = g_volume_to_devparts[pdrv];
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switch (cmd) {
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case GET_SECTOR_SIZE:
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*(WORD *)buff = devpart != NULL ? (WORD)devpart->sector_size : 512;
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return 0;
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default:
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return 0;
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}
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}
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@ -191,7 +191,7 @@
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#define FF_MIN_SS 512
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#define FF_MAX_SS 512
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#define FF_MAX_SS 4096
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/* This set of options configures the range of sector size to be supported. (512,
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/ 1024, 2048 or 4096) Always set both 512 for most systems, generic memory card and
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/ harddisk. But a larger value may be required for on-board flash memory and some
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