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/SDStorage.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 "SWSPI.h"

class SDStorage : public StorageInterface {
public:
    SDStorage(PinName mosi, PinName miso, PinName sclk, PinName cs);

    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();

    int storage_initialize();

protected:
    int _cmd(int cmd, int arg);
    int _cmdx(int cmd, int arg);
    int _cmd8();
    int _cmd58();
    int initialise_card();
    int initialise_card_v1();
    int initialise_card_v2();
    
    int _read(uint8_t * buffer, uint32_t length);
    int _write(const uint8_t *buffer, uint32_t length);
    uint64_t _sd_sectors();
    uint64_t _sectors;
    SWSPI _spi;
    DigitalOut _cs;
    int cdv;
};