add storage.erase_filesystem() to erase and reformat CIRCUITPY

1 files changed, 8 insertions, 0 deletions

diff --git a/shared-module/storage/__init__.c b/shared-module/storage/__init__.c
index 5b0bbe01e..f1fa74990 100644
--- a/shared-module/storage/__init__.c
+++ b/shared-module/storage/__init__.c
@@ -32,7 +32,9 @@
 #include "py/mperrno.h"
 #include "py/obj.h"
 #include "py/runtime.h"
+#include "shared-bindings/microcontroller/__init__.h"
 #include "shared-bindings/storage/__init__.h"
+#include "supervisor/filesystem.h"
 
 STATIC mp_obj_t mp_vfs_proxy_call(mp_vfs_mount_t *vfs, qstr meth_name, size_t n_args, const mp_obj_t *args) {
     if (vfs == MP_VFS_NONE) {
@@ -125,3 +127,9 @@ void common_hal_storage_umount_path(const char* mount_path) {
 mp_obj_t common_hal_storage_getmount(const char *mount_path) {
     return storage_object_from_path(mount_path);
 }
+
+void common_hal_storage_erase_filesystem(void) {
+    filesystem_init(false, true);   // Force a re-format.
+    common_hal_mcu_reset();
+    // We won't actually get here, since we're resetting.
+}