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

src/RamDiskFormat.cpp

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

File content as of revision 6:528036abfb02:

#if 1
#include "RamDisk.h"

static const uint8_t block_image[] = { // 5 blocks
0x00,0x00,0x82, // block=0, size=512
0xeb,0x3c,0x90,0x4d,0x53,0x44,0x4f,0x53,0x35,0x2e,0x30,0x00,0x02,0x01,0x06,0x00,
0x02,0x00,0x02,0x80,0x00,0xf8,0x01,0x00,0x01,0x00,0x01,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x29,0xca,0xf4,0x10,0x94,0x4e,0x4f,0x20,0x4e,0x41,
0x4d,0x45,0x20,0x20,0x20,0x20,0x46,0x41,0x54,0x31,0x32,0x20,0x20,0x20,0x33,0xc9,
0x8e,0xd1,0xbc,0xf0,0x7b,0x8e,0xd9,0xb8,0x00,0x20,0x8e,0xc0,0xfc,0xbd,0x00,0x7c,
0x38,0x4e,0x24,0x7d,0x24,0x8b,0xc1,0x99,0xe8,0x3c,0x01,0x72,0x1c,0x83,0xeb,0x3a,
0x66,0xa1,0x1c,0x7c,0x26,0x66,0x3b,0x07,0x26,0x8a,0x57,0xfc,0x75,0x06,0x80,0xca,
0x02,0x88,0x56,0x02,0x80,0xc3,0x10,0x73,0xeb,0x33,0xc9,0x8a,0x46,0x10,0x98,0xf7,
0x66,0x16,0x03,0x46,0x1c,0x13,0x56,0x1e,0x03,0x46,0x0e,0x13,0xd1,0x8b,0x76,0x11,
0x60,0x89,0x46,0xfc,0x89,0x56,0xfe,0xb8,0x20,0x00,0xf7,0xe6,0x8b,0x5e,0x0b,0x03,
0xc3,0x48,0xf7,0xf3,0x01,0x46,0xfc,0x11,0x4e,0xfe,0x61,0xbf,0x00,0x00,0xe8,0xe6,
0x00,0x72,0x39,0x26,0x38,0x2d,0x74,0x17,0x60,0xb1,0x0b,0xbe,0xa1,0x7d,0xf3,0xa6,
0x61,0x74,0x32,0x4e,0x74,0x09,0x83,0xc7,0x20,0x3b,0xfb,0x72,0xe6,0xeb,0xdc,0xa0,
0xfb,0x7d,0xb4,0x7d,0x8b,0xf0,0xac,0x98,0x40,0x74,0x0c,0x48,0x74,0x13,0xb4,0x0e,
0xbb,0x07,0x00,0xcd,0x10,0xeb,0xef,0xa0,0xfd,0x7d,0xeb,0xe6,0xa0,0xfc,0x7d,0xeb,
0xe1,0xcd,0x16,0xcd,0x19,0x26,0x8b,0x55,0x1a,0x52,0xb0,0x01,0xbb,0x00,0x00,0xe8,
0x3b,0x00,0x72,0xe8,0x5b,0x8a,0x56,0x24,0xbe,0x0b,0x7c,0x8b,0xfc,0xc7,0x46,0xf0,
0x3d,0x7d,0xc7,0x46,0xf4,0x29,0x7d,0x8c,0xd9,0x89,0x4e,0xf2,0x89,0x4e,0xf6,0xc6,
0x06,0x96,0x7d,0xcb,0xea,0x03,0x00,0x00,0x20,0x0f,0xb6,0xc8,0x66,0x8b,0x46,0xf8,
0x66,0x03,0x46,0x1c,0x66,0x8b,0xd0,0x66,0xc1,0xea,0x10,0xeb,0x5e,0x0f,0xb6,0xc8,
0x4a,0x4a,0x8a,0x46,0x0d,0x32,0xe4,0xf7,0xe2,0x03,0x46,0xfc,0x13,0x56,0xfe,0xeb,
0x4a,0x52,0x50,0x06,0x53,0x6a,0x01,0x6a,0x10,0x91,0x8b,0x46,0x18,0x96,0x92,0x33,
0xd2,0xf7,0xf6,0x91,0xf7,0xf6,0x42,0x87,0xca,0xf7,0x76,0x1a,0x8a,0xf2,0x8a,0xe8,
0xc0,0xcc,0x02,0x0a,0xcc,0xb8,0x01,0x02,0x80,0x7e,0x02,0x0e,0x75,0x04,0xb4,0x42,
0x8b,0xf4,0x8a,0x56,0x24,0xcd,0x13,0x61,0x61,0x72,0x0b,0x40,0x75,0x01,0x42,0x03,
0x5e,0x0b,0x49,0x75,0x06,0xf8,0xc3,0x41,0xbb,0x00,0x00,0x60,0x66,0x6a,0x00,0xeb,
0xb0,0x4e,0x54,0x4c,0x44,0x52,0x20,0x20,0x20,0x20,0x20,0x20,0x0d,0x0a,0x52,0x65,
0x6d,0x6f,0x76,0x65,0x20,0x64,0x69,0x73,0x6b,0x73,0x20,0x6f,0x72,0x20,0x6f,0x74,
0x68,0x65,0x72,0x20,0x6d,0x65,0x64,0x69,0x61,0x2e,0xff,0x0d,0x0a,0x44,0x69,0x73,
0x6b,0x20,0x65,0x72,0x72,0x6f,0x72,0xff,0x0d,0x0a,0x50,0x72,0x65,0x73,0x73,0x20,
0x61,0x6e,0x79,0x20,0x6b,0x65,0x79,0x20,0x74,0x6f,0x20,0x72,0x65,0x73,0x74,0x61,
0x72,0x74,0x0d,0x0a,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xac,0xcb,0xd8,0x55,0xaa,
0x06,0x05,0x80, // block=6, size=5
0xf8,0xff,0xff,0xff,0x0f,
0x07,0x05,0x80, // block=7, size=5
0xf8,0xff,0xff,0xff,0x0f,
0x08,0xfa,0x80, // block=8, size=250
0x4c,0x50,0x43,0x38,0x31,0x49,0x53,0x50,0x20,0x20,0x20,0x08,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x0c,0x87,0x4d,0x44,0x00,0x00,0x00,0x00,0x00,0x00,
0x41,0x2e,0x00,0x54,0x00,0x72,0x00,0x61,0x00,0x73,0x00,0x0f,0x00,0x25,0x68,0x00,
0x65,0x00,0x73,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0xff,0xff,0xff,0xff,
0x54,0x52,0x41,0x53,0x48,0x45,0x7e,0x31,0x20,0x20,0x20,0x20,0x00,0x0a,0x1b,0x87,
0x4d,0x44,0x4d,0x44,0x00,0x00,0x85,0x75,0x8e,0x41,0x00,0x00,0x00,0x00,0x00,0x00,
0x41,0x2e,0x00,0x66,0x00,0x73,0x00,0x65,0x00,0x76,0x00,0x0f,0x00,0xda,0x65,0x00,
0x6e,0x00,0x74,0x00,0x73,0x00,0x64,0x00,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,
0x46,0x53,0x45,0x56,0x45,0x4e,0x7e,0x31,0x20,0x20,0x20,0x10,0x00,0x68,0x1c,0x87,
0x4d,0x44,0x4d,0x44,0x00,0x00,0x1d,0x87,0x4d,0x44,0x02,0x00,0x00,0x00,0x00,0x00,
0x42,0x65,0x00,0x72,0x00,0x5f,0x00,0x69,0x00,0x6e,0x00,0x0f,0x00,0xa8,0x64,0x00,
0x65,0x00,0x78,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0xff,0xff,0xff,0xff,
0x01,0x2e,0x00,0x6d,0x00,0x65,0x00,0x74,0x00,0x61,0x00,0x0f,0x00,0xa8,0x64,0x00,
0x61,0x00,0x74,0x00,0x61,0x00,0x5f,0x00,0x6e,0x00,0x00,0x00,0x65,0x00,0x76,0x00,
0x4d,0x45,0x54,0x41,0x44,0x41,0x7e,0x31,0x20,0x20,0x20,0x20,0x00,0x38,0x1d,0x87,
0x4d,0x44,0x4d,0x44,0x00,0x00,0x85,0x75,0x8e,0x41,
0x28,0x5a,0x80, // block=40, size=90
0x2e,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x10,0x00,0x68,0x1c,0x87,
0x4d,0x44,0x4d,0x44,0x00,0x00,0x1d,0x87,0x4d,0x44,0x02,0x00,0x00,0x00,0x00,0x00,
0x2e,0x2e,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x10,0x00,0x68,0x1c,0x87,
0x4d,0x44,0x4d,0x44,0x00,0x00,0x1d,0x87,0x4d,0x44,0x00,0x00,0x00,0x00,0x00,0x00,
0x4e,0x4f,0x5f,0x4c,0x4f,0x47,0x20,0x20,0x20,0x20,0x20,0x20,0x08,0x11,0x1d,0x87,
0x4d,0x44,0x4d,0x44,0x00,0x00,0x85,0x75,0x8e,0x41,
0xff};

void RamDisk::format()
{
    const uint8_t* p = block_image;
    while(1) {
        int block = *p++;
        if (block == 0xff) {
            break;
        }
        int size = p[0]|(p[1]<<8);
        size &= 0x7fff;
        _sector_image[block] = (uint8_t*)p;
        p += size + 2;
    }
}

#endif