atmel-samd: Fix FAT by giving the option of 4k sectors.

tannewt · tannewt · commit 14f25337e7b2 · 2016-10-10T12:16:02.000-07:00
This causes the FATFS struct to have the ssize member because
sector size can be anywhere between 512 bytes and 4k bytes.
diff --git a/atmel-samd/mpconfigport.h b/atmel-samd/mpconfigport.h
@@ -67,6 +67,7 @@
 #define MICROPY_FATFS_VOLUMES          (4)
 #define MICROPY_FATFS_MULTI_PARTITION  (1)
 #define MICROPY_FSUSERMOUNT            (1)
+#define MICROPY_FATFS_MAX_SS           (4096)
 
 #define MICROPY_VFS_FAT             (1)
 #define MICROPY_PY_MACHINE          (1)
