John Mitchell / DMSupport

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Dependencies:   DM_FATFileSystem DM_HttpServer DM_USBHost EthernetInterface USBDevice mbed-rpc mbed-rtos mbed-src

Dependents:   lpc4088_displaymodule_hello_world_Sept_2018

Fork of DMSupport by Embedded Artists

FileSystems/USBMSD_RAMFS.h@0:6b68dac0d986, 2014-11-21 (annotated)

Committer:
embeddedartists
Date:
Fri Nov 21 11:42:51 2014 +0000
Revision:
0:6b68dac0d986
Child:
9:a33326afd686
First version

Who changed what in which revision?

UserRevisionLine numberNew contents of line
embeddedartists 0:6b68dac0d986 1 #ifndef USBMSDRAMFS_H
embeddedartists 0:6b68dac0d986 2 #define USBMSDRAMFS_H
embeddedartists 0:6b68dac0d986 3
embeddedartists 0:6b68dac0d986 4 #include "mbed.h"
embeddedartists 0:6b68dac0d986 5 #include "USBMSD.h"
embeddedartists 0:6b68dac0d986 6 #include "RAMFileSystem.h"
embeddedartists 0:6b68dac0d986 7 #include <stdint.h>
embeddedartists 0:6b68dac0d986 8
embeddedartists 0:6b68dac0d986 9 /**
embeddedartists 0:6b68dac0d986 10 * USBMSD_RAMFS class: Allows the mbed board to expose a FAT file system in SDRAM as a USB memory stick
embeddedartists 0:6b68dac0d986 11 */
embeddedartists 0:6b68dac0d986 12 class USBMSD_RAMFS : public USBMSD {
embeddedartists 0:6b68dac0d986 13 public:
embeddedartists 0:6b68dac0d986 14
embeddedartists 0:6b68dac0d986 15 /**
embeddedartists 0:6b68dac0d986 16 * Constructor
embeddedartists 0:6b68dac0d986 17 *
embeddedartists 0:6b68dac0d986 18 * @param ramfs The RAM file system
embeddedartists 0:6b68dac0d986 19 * @param vendor_id Your vendor_id
embeddedartists 0:6b68dac0d986 20 * @param product_id Your product_id
embeddedartists 0:6b68dac0d986 21 * @param product_release Your preoduct_release
embeddedartists 0:6b68dac0d986 22 */
embeddedartists 0:6b68dac0d986 23 USBMSD_RAMFS(RAMFileSystem* ramfs, uint16_t vendor_id = 0x0703, uint16_t product_id = 0x0104, uint16_t product_release = 0x0001);
embeddedartists 0:6b68dac0d986 24
embeddedartists 0:6b68dac0d986 25 protected:
embeddedartists 0:6b68dac0d986 26
embeddedartists 0:6b68dac0d986 27 /*
embeddedartists 0:6b68dac0d986 28 * read one or more blocks on a storage chip
embeddedartists 0:6b68dac0d986 29 *
embeddedartists 0:6b68dac0d986 30 * @param data pointer where will be stored read data
embeddedartists 0:6b68dac0d986 31 * @param block starting block number
embeddedartists 0:6b68dac0d986 32 * @param count number of blocks to read
embeddedartists 0:6b68dac0d986 33 * @returns 0 if successful
embeddedartists 0:6b68dac0d986 34 */
embeddedartists 0:6b68dac0d986 35 virtual int disk_read(uint8_t* data, uint64_t block, uint8_t count);
embeddedartists 0:6b68dac0d986 36
embeddedartists 0:6b68dac0d986 37 /*
embeddedartists 0:6b68dac0d986 38 * write one or more blocks on a storage chip
embeddedartists 0:6b68dac0d986 39 *
embeddedartists 0:6b68dac0d986 40 * @param data data to write
embeddedartists 0:6b68dac0d986 41 * @param block starting block number
embeddedartists 0:6b68dac0d986 42 * @param count number of blocks to write
embeddedartists 0:6b68dac0d986 43 * @returns 0 if successful
embeddedartists 0:6b68dac0d986 44 */
embeddedartists 0:6b68dac0d986 45 virtual int disk_write(const uint8_t* data, uint64_t block, uint8_t count);
embeddedartists 0:6b68dac0d986 46
embeddedartists 0:6b68dac0d986 47 /*
embeddedartists 0:6b68dac0d986 48 * Disk initilization
embeddedartists 0:6b68dac0d986 49 */
embeddedartists 0:6b68dac0d986 50 virtual int disk_initialize();
embeddedartists 0:6b68dac0d986 51
embeddedartists 0:6b68dac0d986 52 /*
embeddedartists 0:6b68dac0d986 53 * Return the number of blocks
embeddedartists 0:6b68dac0d986 54 *
embeddedartists 0:6b68dac0d986 55 * @returns number of blocks
embeddedartists 0:6b68dac0d986 56 */
embeddedartists 0:6b68dac0d986 57 virtual uint64_t disk_sectors();
embeddedartists 0:6b68dac0d986 58
embeddedartists 0:6b68dac0d986 59 /*
embeddedartists 0:6b68dac0d986 60 * Return memory size
embeddedartists 0:6b68dac0d986 61 *
embeddedartists 0:6b68dac0d986 62 * @returns memory size
embeddedartists 0:6b68dac0d986 63 */
embeddedartists 0:6b68dac0d986 64 virtual uint64_t disk_size();
embeddedartists 0:6b68dac0d986 65
embeddedartists 0:6b68dac0d986 66
embeddedartists 0:6b68dac0d986 67 /*
embeddedartists 0:6b68dac0d986 68 * To check the status of the storage chip
embeddedartists 0:6b68dac0d986 69 *
embeddedartists 0:6b68dac0d986 70 * @returns status: 0: OK, 1: disk not initialized, 2: no medium in the drive, 4: write protected
embeddedartists 0:6b68dac0d986 71 */
embeddedartists 0:6b68dac0d986 72 virtual int disk_status();
embeddedartists 0:6b68dac0d986 73
embeddedartists 0:6b68dac0d986 74 protected:
embeddedartists 0:6b68dac0d986 75
embeddedartists 0:6b68dac0d986 76 RAMFileSystem* ramfs;
embeddedartists 0:6b68dac0d986 77 };
embeddedartists 0:6b68dac0d986 78
embeddedartists 0:6b68dac0d986 79 #endif
embeddedartists 0:6b68dac0d986 80