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

src/RamDisk.h

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

File content as of revision 6:528036abfb02:

#include "mbed.h"
#include "StorageInterface.h"
#include "mymap.h"

class RamDisk : public StorageInterface {
public:
    RamDisk(int sectors = 128); // 128*512 64Kbytes
    virtual int storage_read(uint8_t* data, uint32_t block);
    virtual int storage_write(const uint8_t* data, uint32_t block);
    virtual uint32_t storage_sectors();
    virtual uint32_t storage_size();

    void dump(int mode);

private:
    void format();
    int _sectors;
    mymap<int,uint8_t*>_sector_image;
};