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

USBLocalFileSystem.cpp@2:97c314eae8b8, 2014-05-06 (annotated)

Committer:
va009039
Date:
Tue May 06 15:42:30 2014 +0900
Branch:
branch
Revision:
2:97c314eae8b8
Parent:
1:00c9eb8af5c2
Child:
4:8f6857784854
add USB MSD block operation.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
va009039 0:39eb4d5b97df 1 #include "USBLocalFileSystem.h"
va009039 0:39eb4d5b97df 2 #include "RamDisk.h"
va009039 0:39eb4d5b97df 3 #include "SDStorage.h"
va009039 0:39eb4d5b97df 4
va009039 0:39eb4d5b97df 5 USBLocalFileSystem::USBLocalFileSystem(const char* name)
va009039 0:39eb4d5b97df 6 {
va009039 0:39eb4d5b97df 7 RamDisk* storage = new RamDisk;
va009039 0:39eb4d5b97df 8 init(storage, name);
va009039 0:39eb4d5b97df 9 }
va009039 0:39eb4d5b97df 10
va009039 0:39eb4d5b97df 11 USBLocalFileSystem::USBLocalFileSystem(PinName mosi, PinName miso, PinName sclk, PinName cs, const char* name)
va009039 0:39eb4d5b97df 12 {
va009039 0:39eb4d5b97df 13 SDStorage* storage = new SDStorage(mosi, miso, sclk, cs);
va009039 0:39eb4d5b97df 14 storage->storage_initialize();
va009039 0:39eb4d5b97df 15 init(storage, name);
va009039 0:39eb4d5b97df 16 }
va009039 0:39eb4d5b97df 17
va009039 0:39eb4d5b97df 18 USBLocalFileSystem::USBLocalFileSystem(StorageInterface* storage, const char* name)
va009039 0:39eb4d5b97df 19 {
va009039 0:39eb4d5b97df 20 init(storage, name);
va009039 0:39eb4d5b97df 21 }
va009039 0:39eb4d5b97df 22
va009039 0:39eb4d5b97df 23 void USBLocalFileSystem::init(StorageInterface* storage, const char* name)
va009039 0:39eb4d5b97df 24 {
va009039 0:39eb4d5b97df 25 _name = name;
va009039 0:39eb4d5b97df 26 _storage = storage;
va009039 0:39eb4d5b97df 27 _usb = new USBStorage2(_storage);
va009039 0:39eb4d5b97df 28 _local = new LocalStorage(_storage);
va009039 0:39eb4d5b97df 29 }
va009039 0:39eb4d5b97df 30
va009039 0:39eb4d5b97df 31 void USBLocalFileSystem::remount()
va009039 0:39eb4d5b97df 32 {
va009039 0:39eb4d5b97df 33 if (_local) {
va009039 0:39eb4d5b97df 34 delete _local;
va009039 0:39eb4d5b97df 35 }
va009039 0:39eb4d5b97df 36 _local = new LocalStorage(_storage);
va009039 0:39eb4d5b97df 37 }
va009039 0:39eb4d5b97df 38
va009039 1:00c9eb8af5c2 39
va009039 1:00c9eb8af5c2 40 int USBLocalFileSystem::readable()
va009039 0:39eb4d5b97df 41 {
va009039 1:00c9eb8af5c2 42 return _usb->readable();
va009039 1:00c9eb8af5c2 43 }
va009039 1:00c9eb8af5c2 44
va009039 1:00c9eb8af5c2 45 int USBLocalFileSystem::writeable()
va009039 1:00c9eb8af5c2 46 {
va009039 1:00c9eb8af5c2 47 return _usb->writeable();
va009039 0:39eb4d5b97df 48 }
va009039 0:39eb4d5b97df 49
va009039 0:39eb4d5b97df 50 int USBLocalFileSystem::getc()
va009039 0:39eb4d5b97df 51 {
va009039 0:39eb4d5b97df 52 return _usb->getc();
va009039 0:39eb4d5b97df 53 }
va009039 0:39eb4d5b97df 54
va009039 1:00c9eb8af5c2 55 void USBLocalFileSystem::putc(int c)
va009039 1:00c9eb8af5c2 56 {
va009039 1:00c9eb8af5c2 57 _usb->putc(c);
va009039 1:00c9eb8af5c2 58 }
va009039 1:00c9eb8af5c2 59
va009039 2:97c314eae8b8 60