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[stage2] Support sector sizes up to 4K in FatFs.

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Note: SD cards always have a sector size of 512 bytes.
This commit is contained in:
TuxSH 2018-05-13 20:51:57 +02:00
parent 9f53aa13d1
commit a3792d94dc
2 changed files with 9 additions and 2 deletions
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9
fusee/fusee-secondary/src/lib/fatfs/diskio.c
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@ -116,6 +116,13 @@ DRESULT disk_ioctl (
void *buff /* Buffer to send/receive control data */ void *buff /* Buffer to send/receive control data */
) )
{ {
return 0; device_partition_t *devpart = g_volume_to_devparts[pdrv];
switch (cmd) {
case GET_SECTOR_SIZE:
*(WORD *)buff = devpart != NULL ? (WORD)devpart->sector_size : 512;
return 0;
default:
return 0;
}
} }

2
fusee/fusee-secondary/src/lib/fatfs/ffconf.h
View file

@ -191,7 +191,7 @@
#define FF_MIN_SS 512 #define FF_MIN_SS 512
#define FF_MAX_SS 512 #define FF_MAX_SS 4096
/* This set of options configures the range of sector size to be supported. (512, /* This set of options configures the range of sector size to be supported. (512,
/ 1024, 2048 or 4096) Always set both 512 for most systems, generic memory card and / 1024, 2048 or 4096) Always set both 512 for most systems, generic memory card and
/ harddisk. But a larger value may be required for on-board flash memory and some / harddisk. But a larger value may be required for on-board flash memory and some