/*
* storage_init() - Validate storage content and copy data to shadow memory
*
* INPUT
* none
* OUTPUT
* none
*/
void storage_init(void)
{
ConfigFlash *stor_config;
/* Find storage sector with valid data and set storage_location variable */
if(find_active_storage(&storage_location))
{
stor_config = (ConfigFlash *)flash_write_helper(storage_location);
}
else
{
/* Set to storage sector1 as default if no sector has been initialized */
storage_location = STORAGE_SECT_DEFAULT;
stor_config = (ConfigFlash *)flash_write_helper(storage_location);
}
/* Reset shadow configuration in RAM */
storage_reset();
/* Verify storage partition is initialized */
if(memcmp((void *)stor_config->meta.magic , STORAGE_MAGIC_STR,
STORAGE_MAGIC_LEN) == 0)
{
/* Clear out stor_config before finding end config node */
memcpy(shadow_config.meta.uuid, (void *)&stor_config->meta.uuid,
sizeof(shadow_config.meta.uuid));
data2hex(shadow_config.meta.uuid, sizeof(shadow_config.meta.uuid),
shadow_config.meta.uuid_str);
if(stor_config->storage.version)
{
if(stor_config->storage.version <= STORAGE_VERSION)
{
storage_from_flash(stor_config);
}
}
/* New app with storage version changed! update the storage space */
if(stor_config->storage.version != STORAGE_VERSION)
{
storage_commit();
}
}
else
{
/* Keep storage area cleared */
storage_reset_uuid();
storage_commit();
}
}
void fsm_msgWipeDevice(WipeDevice *msg)
{
(void)msg;
layoutDialogSwipe(DIALOG_ICON_QUESTION, "Cancel", "Confirm", NULL, "Do you really want to", "wipe the device?", NULL, "All data will be lost.", NULL, NULL);
if (!protectButton(ButtonRequestType_ButtonRequest_WipeDevice, false)) {
fsm_sendFailure(FailureType_Failure_ActionCancelled, "Wipe cancelled");
layoutHome();
return;
}
storage_reset();
storage_reset_uuid();
storage_commit();
// the following does not work on Mac anyway :-/ Linux/Windows are fine, so it is not needed
// usbReconnect(); // force re-enumeration because of the serial number change
fsm_sendSuccess("Device wiped");
layoutHome();
}
void fsm_msgWipeDevice(WipeDevice *msg)
{
(void)msg;
if(!confirm(ButtonRequestType_ButtonRequest_WipeDevice, "Wipe Device",
"Do you want to erase your private keys and settings?"))
{
fsm_sendFailure(FailureType_Failure_ActionCancelled, "Wipe cancelled");
go_home();
return;
}
/* Wipe device */
storage_reset();
storage_reset_uuid();
storage_commit();
fsm_sendSuccess("Device wiped");
go_home();
}
void storage_init(void)
{
storage_reset();
// if magic is ok
if (memcmp((void *)FLASH_STORAGE_START, "stor", 4) == 0) {
// load uuid
memcpy(storage_uuid, (void *)(FLASH_STORAGE_START + 4), sizeof(storage_uuid));
data2hex(storage_uuid, sizeof(storage_uuid), storage_uuid_str);
// load storage struct
uint32_t version = ((Storage *)(FLASH_STORAGE_START + 4 + sizeof(storage_uuid)))->version;
if (version && version <= STORAGE_VERSION) {
storage_from_flash(version);
}
if (version != STORAGE_VERSION) {
storage_commit();
}
} else {
storage_reset_uuid();
storage_commit();
}
}
