The storage layer port must implement the API functions summarized in Table - Storage API Functions. You can start by referencing to the storage port template located under:
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Please refer to the MSC Storage Layer Functions Reference for a full description of the storage layer API.
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| Table - Storage API Functions |
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| Table - Storage API Functions |
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| title | Table - Storage API Functions |
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| Function Name | Operation |
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USBD_StorageInit() | Initializes internal tables used by the storage layer. | USBD_StorageAdd() | Initializes storage medium. | USBD_StorageCapacityGet() | Gets the storage medium’s capacity. | USBD_StorageRd() | Reads data from the storage medium. | USBD_StorageWr() | Writes data to the storage medium. | USBD_StorageStatusGet() | Gets storage medium’s status. If the storage medium is a removable device such as an SD/MMC card, this function will return if the storage is inserted or removed. | USBD_StorageLock() | Locks access to the storage medium. | USBD_StorageUnlock() | Unlocks access to the storage medium. | USBD_StorageRefreshTaskHandler() | Checks the removable media presence status, that is insertion/removal detection. Defined only for the µC/FS storage layer. |
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