not working yet, seems to be a problem with SDIO interface
@ -175,7 +175,7 @@ define HAL_WITH_RAMTRON 1
define STORAGE_FLASH_PAGE 22
# enable FAT filesystem
#define HAL_OS_FATFS_IO 1
define HAL_OS_FATFS_IO 1
# enable RTSCTS
define AP_FEATURE_RTSCTS 1