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Dependencies: DM_FATFileSystem DM_HttpServer DM_USBHost EthernetInterface USBDevice mbed-rpc mbed-rtos
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Diff: FileSystems/USBMSD_RAMFS.h
- Revision:
- 0:6b68dac0d986
- Child:
- 9:a33326afd686
diff -r 000000000000 -r 6b68dac0d986 FileSystems/USBMSD_RAMFS.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/FileSystems/USBMSD_RAMFS.h Fri Nov 21 11:42:51 2014 +0000 @@ -0,0 +1,80 @@ +#ifndef USBMSDRAMFS_H +#define USBMSDRAMFS_H + +#include "mbed.h" +#include "USBMSD.h" +#include "RAMFileSystem.h" +#include <stdint.h> + +/** + * USBMSD_RAMFS class: Allows the mbed board to expose a FAT file system in SDRAM as a USB memory stick + */ +class USBMSD_RAMFS : public USBMSD { +public: + + /** + * Constructor + * + * @param ramfs The RAM file system + * @param vendor_id Your vendor_id + * @param product_id Your product_id + * @param product_release Your preoduct_release + */ + USBMSD_RAMFS(RAMFileSystem* ramfs, uint16_t vendor_id = 0x0703, uint16_t product_id = 0x0104, uint16_t product_release = 0x0001); + +protected: + + /* + * read one or more blocks on a storage chip + * + * @param data pointer where will be stored read data + * @param block starting block number + * @param count number of blocks to read + * @returns 0 if successful + */ + virtual int disk_read(uint8_t* data, uint64_t block, uint8_t count); + + /* + * write one or more blocks on a storage chip + * + * @param data data to write + * @param block starting block number + * @param count number of blocks to write + * @returns 0 if successful + */ + virtual int disk_write(const uint8_t* data, uint64_t block, uint8_t count); + + /* + * Disk initilization + */ + virtual int disk_initialize(); + + /* + * Return the number of blocks + * + * @returns number of blocks + */ + virtual uint64_t disk_sectors(); + + /* + * Return memory size + * + * @returns memory size + */ + virtual uint64_t disk_size(); + + + /* + * To check the status of the storage chip + * + * @returns status: 0: OK, 1: disk not initialized, 2: no medium in the drive, 4: write protected + */ + virtual int disk_status(); + +protected: + + RAMFileSystem* ramfs; +}; + +#endif +