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@6:528036abfb02, 2014-06-21 (annotated)

Committer:
va009039
Date:
Sat Jun 21 22:39:59 2014 +0000
Revision:
6:528036abfb02
Parent:
4:8f6857784854 
add LPC11U68

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 4:8f6857784854 4 #include "USB_CDC.h"
va009039 0:39eb4d5b97df 5
va009039 0:39eb4d5b97df 6 USBLocalFileSystem::USBLocalFileSystem(const char* name)
va009039 0:39eb4d5b97df 7 {
va009039 0:39eb4d5b97df 8 RamDisk* storage = new RamDisk;
va009039 0:39eb4d5b97df 9 init(storage, name);
va009039 0:39eb4d5b97df 10 }
va009039 0:39eb4d5b97df 11
va009039 0:39eb4d5b97df 12 USBLocalFileSystem::USBLocalFileSystem(PinName mosi, PinName miso, PinName sclk, PinName cs, const char* name)
va009039 0:39eb4d5b97df 13 {
va009039 0:39eb4d5b97df 14 SDStorage* storage = new SDStorage(mosi, miso, sclk, cs);
va009039 0:39eb4d5b97df 15 storage->storage_initialize();
va009039 0:39eb4d5b97df 16 init(storage, name);
va009039 0:39eb4d5b97df 17 }
va009039 0:39eb4d5b97df 18
va009039 0:39eb4d5b97df 19 USBLocalFileSystem::USBLocalFileSystem(StorageInterface* storage, const char* name)
va009039 0:39eb4d5b97df 20 {
va009039 0:39eb4d5b97df 21 init(storage, name);
va009039 0:39eb4d5b97df 22 }
va009039 0:39eb4d5b97df 23
va009039 0:39eb4d5b97df 24 void USBLocalFileSystem::init(StorageInterface* storage, const char* name)
va009039 0:39eb4d5b97df 25 {
va009039 0:39eb4d5b97df 26 _name = name;
va009039 0:39eb4d5b97df 27 _storage = storage;
va009039 0:39eb4d5b97df 28 _usb = new USBStorage2(_storage);
va009039 0:39eb4d5b97df 29 _local = new LocalStorage(_storage);
va009039 0:39eb4d5b97df 30 }
va009039 0:39eb4d5b97df 31
va009039 0:39eb4d5b97df 32 void USBLocalFileSystem::remount()
va009039 0:39eb4d5b97df 33 {
va009039 0:39eb4d5b97df 34 if (_local) {
va009039 0:39eb4d5b97df 35 delete _local;
va009039 0:39eb4d5b97df 36 }
va009039 0:39eb4d5b97df 37 _local = new LocalStorage(_storage);
va009039 0:39eb4d5b97df 38 }
va009039 0:39eb4d5b97df 39
va009039 4:8f6857784854 40 int USBLocalFileSystem::lock(bool f)
va009039 4:8f6857784854 41 {
va009039 4:8f6857784854 42 return _usb->block(f);
va009039 4:8f6857784854 43 }
va009039 4:8f6857784854 44
va009039 4:8f6857784854 45 bool USBLocalFileSystem::find(char* name, size_t size, const char* pat)
va009039 4:8f6857784854 46 {
va009039 4:8f6857784854 47 return LocalStorage::find(name, size, _name, pat);
va009039 4:8f6857784854 48 }
va009039 1:00c9eb8af5c2 49
va009039 1:00c9eb8af5c2 50 int USBLocalFileSystem::readable()
va009039 0:39eb4d5b97df 51 {
va009039 1:00c9eb8af5c2 52 return _usb->readable();
va009039 1:00c9eb8af5c2 53 }
va009039 1:00c9eb8af5c2 54
va009039 1:00c9eb8af5c2 55 int USBLocalFileSystem::writeable()
va009039 1:00c9eb8af5c2 56 {
va009039 1:00c9eb8af5c2 57 return _usb->writeable();
va009039 0:39eb4d5b97df 58 }
va009039 0:39eb4d5b97df 59
va009039 0:39eb4d5b97df 60 int USBLocalFileSystem::getc()
va009039 0:39eb4d5b97df 61 {
va009039 0:39eb4d5b97df 62 return _usb->getc();
va009039 0:39eb4d5b97df 63 }
va009039 0:39eb4d5b97df 64
va009039 4:8f6857784854 65 int USBLocalFileSystem::putc(int c)
va009039 1:00c9eb8af5c2 66 {
va009039 1:00c9eb8af5c2 67 _usb->putc(c);
va009039 4:8f6857784854 68 return c;
va009039 4:8f6857784854 69 }
va009039 4:8f6857784854 70
va009039 4:8f6857784854 71 int USBLocalFileSystem::puts(const char* str)
va009039 4:8f6857784854 72 {
va009039 4:8f6857784854 73 while(*str) {
va009039 4:8f6857784854 74 putc(*str++);
va009039 4:8f6857784854 75 }
va009039 4:8f6857784854 76 return 0;
va009039 1:00c9eb8af5c2 77 }
va009039 1:00c9eb8af5c2 78
va009039 4:8f6857784854 79 void USBLocalFileSystem::attachSendBreak(void (*fptr)(uint16_t duration))
va009039 4:8f6857784854 80 {
va009039 4:8f6857784854 81 getUsb()->getCDC()->attachSendBreak(fptr);
va009039 4:8f6857784854 82 }
va009039 2:97c314eae8b8 83
va009039 4:8f6857784854 84 void USBLocalFileSystem::attachControlLineState(void (*fptr)(int dts, int dtr))
va009039 4:8f6857784854 85 {
va009039 4:8f6857784854 86 getUsb()->getCDC()->attachControlLineStateChanged(fptr);
va009039 4:8f6857784854 87 }
va009039 4:8f6857784854 88
va009039 4:8f6857784854 89 void USBLocalFileSystem::attachSettingChanged(void (*fptr)(int baud, int bits, int parity, int stop))
va009039 4:8f6857784854 90 {
va009039 4:8f6857784854 91 getUsb()->getCDC()->attach(fptr);
va009039 4:8f6857784854 92 }
va009039 4:8f6857784854 93