variants/arduino_portenta_c33_r7fa6m5bh3cfc: Enable file system support.

Signed-off-by: iabdalkader <i.abdalkader@gmail.com>

Author: iabdalkader

variants/arduino_portenta_c33_r7fa6m5bh3cfc/arduino_portenta_c33_r7fa6m5bh3cfc.conf

@@ -22,10 +22,10 @@ CONFIG_FPU=y
 CONFIG_USERSPACE=n
 CONFIG_ARM_MPU=n
 
-CONFIG_SHELL_STACK_SIZE=32768
+CONFIG_SHELL_STACK_SIZE=8192
 CONFIG_MAIN_STACK_SIZE=32768
 CONFIG_LLEXT_HEAP_SIZE=128
-CONFIG_HEAP_MEM_POOL_SIZE=65536
+CONFIG_HEAP_MEM_POOL_SIZE=32768
 CONFIG_ISR_STACK_SIZE=8192
 CONFIG_LOG_PROCESS_THREAD_STACK_SIZE=8192
 CONFIG_IDLE_STACK_SIZE=8192
@@ -99,3 +99,24 @@ CONFIG_BT_BUF_ACL_RX_SIZE=255
 CONFIG_BT_BUF_CMD_TX_SIZE=255
 CONFIG_BT_BUF_EVT_DISCARDABLE_SIZE=255
 CONFIG_BT_MAX_CONN=4
+
+CONFIG_FILE_SYSTEM=y
+CONFIG_FILE_SYSTEM_MKFS=y
+CONFIG_DISK_ACCESS=y
+CONFIG_DISK_DRIVER_FLASH=y
+
+CONFIG_FILE_SYSTEM_LITTLEFS=y
+CONFIG_FS_LITTLEFS_PROG_SIZE=4096
+CONFIG_FS_LITTLEFS_CACHE_SIZE=4096
+
+CONFIG_FAT_FILESYSTEM_ELM=y
+CONFIG_FS_FATFS_EXFAT=n
+CONFIG_FS_FATFS_MKFS=y
+CONFIG_FS_FATFS_LFN=y
+CONFIG_FS_FATFS_LFN_MODE_HEAP=y
+CONFIG_FS_FATFS_CODEPAGE=437
+CONFIG_FS_FATFS_MIN_SS=4096
+CONFIG_FS_FATFS_MAX_SS=4096
+CONFIG_FS_FATFS_MAX_LFN=255
+CONFIG_FS_FATFS_FSTAB_AUTOMOUNT=y
+CONFIG_FS_FATFS_CUSTOM_MOUNT_POINTS="wlan,ota"

variants/arduino_portenta_c33_r7fa6m5bh3cfc/arduino_portenta_c33_r7fa6m5bh3cfc.overlay

@@ -22,6 +22,10 @@
 	};
 };
 
+&flash1 {
+    // Conflicts with "storage" partition
+	/delete-node/ partitions;
+};
 
 &sci7 {
 	pinctrl-0 = <&sci7_default>;
@@ -294,3 +298,7 @@
 				    <&ioport0 0 0>;
 	};
 };
+
+/* Include common flash filesystem configuration */
+#define FLASH_FILESYSTEM_NODE   at25sf128a
+#include "../common/arduino_flash_fs.dtsi"