Norimasa Okamoto / USBLocalFileSystem

Emulation of LocalFileSystem with virtual COM.

Dependencies:   USBDevice

Dependents:   KL46Z-lpc81isp lpcterm2 

#include "USBLocalFileSystem.h"

int main() {
    USBLocalFileSystem* usb_local = new USBLocalFileSystem(); // RamDisk(64KB)

    while(1) {
        usb_local->lock(true);
        usb_local->remount();
        char filename[32];
        if (usb_local->find(filename, sizeof(filename), "*.TXT")) {
            FILE* fp = fopen(filename, "r");
            if (fp) {
                int c;
                while((c = fgetc(fp)) != EOF) {
                    usb_local->putc(c);
                }
                fclose(fp);
            }
        }    
        usb_local->lock(false);

        wait_ms(1000*5);
    }
}



Sample application：

Import programKL46Z-lpc81isp

ISP example program.

Last commit 04 May 2014 by Norimasa Okamoto

Import programlpcterm2

semihost server example program

Last commit 22 Jun 2014 by Norimasa Okamoto

src/Storage.h@0:39eb4d5b97df, 2014-05-03 (annotated)

Committer:
va009039
Date:
Sat May 03 11:21:37 2014 +0000
Revision:
0:39eb4d5b97df
Child:
2:97c314eae8b8
first commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
va009039 0:39eb4d5b97df 1 #pragma once
va009039 0:39eb4d5b97df 2 #include "mbed.h"
va009039 0:39eb4d5b97df 3 #include "FATFileSystem.h"
va009039 0:39eb4d5b97df 4 #include "USBMSD.h"
va009039 0:39eb4d5b97df 5 #include "USBMSD2.h"
va009039 0:39eb4d5b97df 6 #include "StorageInterface.h"
va009039 0:39eb4d5b97df 7 #include "mystring.h"
va009039 0:39eb4d5b97df 8
va009039 0:39eb4d5b97df 9 class LocalStorage : public FATFileSystem {
va009039 0:39eb4d5b97df 10 public:
va009039 0:39eb4d5b97df 11 LocalStorage(StorageInterface* storage, const char* name = "local");
va009039 0:39eb4d5b97df 12 virtual int disk_read(uint8_t * buffer, uint64_t sector) {
va009039 0:39eb4d5b97df 13 return _storage->storage_read(buffer, sector);
va009039 0:39eb4d5b97df 14 }
va009039 0:39eb4d5b97df 15 virtual int disk_write(const uint8_t * buffer, uint64_t sector) {
va009039 0:39eb4d5b97df 16 return _storage->storage_write(buffer, sector);
va009039 0:39eb4d5b97df 17 }
va009039 0:39eb4d5b97df 18 virtual uint64_t disk_sectors() {
va009039 0:39eb4d5b97df 19 return _storage->storage_sectors();
va009039 0:39eb4d5b97df 20 }
va009039 0:39eb4d5b97df 21 static bool find_bin(mystring& filename);
va009039 0:39eb4d5b97df 22 private:
va009039 0:39eb4d5b97df 23 StorageInterface* _storage;
va009039 0:39eb4d5b97df 24 const char* _name;
va009039 0:39eb4d5b97df 25 };
va009039 0:39eb4d5b97df 26
va009039 0:39eb4d5b97df 27 class USBStorage : public USBMSD {
va009039 0:39eb4d5b97df 28 public:
va009039 0:39eb4d5b97df 29 USBStorage(StorageInterface* storage): _storage(storage) {
va009039 0:39eb4d5b97df 30 connect();
va009039 0:39eb4d5b97df 31 }
va009039 0:39eb4d5b97df 32 virtual int disk_read(uint8_t * data, uint64_t block) {
va009039 0:39eb4d5b97df 33 return _storage->storage_read(data, block);
va009039 0:39eb4d5b97df 34 }
va009039 0:39eb4d5b97df 35 virtual int disk_write(const uint8_t * data, uint64_t block) {
va009039 0:39eb4d5b97df 36 return _storage->storage_write(data, block);
va009039 0:39eb4d5b97df 37 }
va009039 0:39eb4d5b97df 38 virtual int disk_initialize() { return 0; }
va009039 0:39eb4d5b97df 39 virtual uint64_t disk_sectors() {
va009039 0:39eb4d5b97df 40 return _storage->storage_sectors();
va009039 0:39eb4d5b97df 41 }
va009039 0:39eb4d5b97df 42 virtual int disk_status() { return 0; }
va009039 0:39eb4d5b97df 43 virtual uint64_t disk_size() {
va009039 0:39eb4d5b97df 44 return _storage->storage_size();
va009039 0:39eb4d5b97df 45 }
va009039 0:39eb4d5b97df 46
va009039 0:39eb4d5b97df 47 private:
va009039 0:39eb4d5b97df 48 StorageInterface* _storage;
va009039 0:39eb4d5b97df 49 };
va009039 0:39eb4d5b97df 50
va009039 0:39eb4d5b97df 51 class USBStorage2 : public USBMSD2 {
va009039 0:39eb4d5b97df 52 public:
va009039 0:39eb4d5b97df 53 USBStorage2(StorageInterface* storage): _storage(storage) {
va009039 0:39eb4d5b97df 54 connect();
va009039 0:39eb4d5b97df 55 }
va009039 0:39eb4d5b97df 56 virtual int disk_read(uint8_t * data, uint64_t block) {
va009039 0:39eb4d5b97df 57 return _storage->storage_read(data, block);
va009039 0:39eb4d5b97df 58 }
va009039 0:39eb4d5b97df 59 virtual int disk_write(const uint8_t * data, uint64_t block) {
va009039 0:39eb4d5b97df 60 return _storage->storage_write(data, block);
va009039 0:39eb4d5b97df 61 }
va009039 0:39eb4d5b97df 62 virtual int disk_initialize() { return 0; }
va009039 0:39eb4d5b97df 63 virtual uint64_t disk_sectors() {
va009039 0:39eb4d5b97df 64 return _storage->storage_sectors();
va009039 0:39eb4d5b97df 65 }
va009039 0:39eb4d5b97df 66 virtual int disk_status() { return 0; }
va009039 0:39eb4d5b97df 67 virtual uint64_t disk_size() {
va009039 0:39eb4d5b97df 68 return _storage->storage_size();
va009039 0:39eb4d5b97df 69 }
va009039 0:39eb4d5b97df 70
va009039 0:39eb4d5b97df 71 private:
va009039 0:39eb4d5b97df 72 StorageInterface* _storage;
va009039 0:39eb4d5b97df 73 };
va009039 0:39eb4d5b97df 74