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.

Import programlpcterm2

semihost server example program

USBMSD2/DiskInterface.h

Committer:
va009039
Date:
2014-06-21
Revision:
6:528036abfb02
Parent:
0:39eb4d5b97df

File content as of revision 6:528036abfb02:

// DiskInterface.h 2013/9/21
#pragma once

class DiskInterface {
public:
    /*
    * read a block on a storage chip
    *
    * @param data pointer where will be stored read data
    * @param block block number
    * @returns 0 if successful
    */
    virtual int disk_read(uint8_t * data, uint64_t block) = 0;

    /*
    * write a block on a storage chip
    *
    * @param data data to write
    * @param block block number
    * @returns 0 if successful
    */
    virtual int disk_write(const uint8_t * data, uint64_t block) = 0;

    /*
    * Disk initilization
    */
    virtual int disk_initialize() = 0;

    /*
    * Return the number of blocks
    *
    * @returns number of blocks
    */
    virtual uint64_t disk_sectors() = 0;

    /*
    * Return memory size
    *
    * @returns memory size
    */
    virtual uint64_t disk_size() = 0;

    /*
    * 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() = 0;
};