File content as of revision 6:ea80c5a132b6:

///
/// MultiFileSystem
///
/// This supports both USB and SD File systems both being mounted at the same time.
///
/// Untested:
/// * live plug/unplug of either/both
/// * Concurrent access (e.g. copy from one to the other).
///
#include "mbed.h"
#include "MSCFileSystem.h"
#include "SDFileSystem.h"

MSCFileSystem fs("fs");
SDFileSystem sd(p5, p6, p7, p8, "sd", p11, SDFileSystem::SWITCH_NEG_NO, 15000000);

Timer timer;

char buffer[4096];          // someplace to stuff random data.
#define TESTSIZE 1048576
//#define TESTSIZE 100



void SDWriteTest(const char * fname)
{
    printf("\r\n");
    printf("SDWriteTest   : writing %d B using %d B buffer into %s...\r\n", TESTSIZE, sizeof(buffer), fname);
    FileHandle* file = sd.open(fname, O_WRONLY | O_CREAT | O_TRUNC);
    if (file != NULL) {
        timer.start();
        for (int i = 0; i < (TESTSIZE / sizeof(buffer)); i++) {
            if (file->write(buffer, sizeof(buffer)) != sizeof(buffer)) {
                timer.stop();
                printf("  write error!\r\n");
                timer.reset();
                return;
            }
        }
        timer.stop();
        if (file->close())
            printf("  failed to close file!\r\n");
        else
            printf("  Result: %.2f KB/s\r\n", 1024 / (timer.read_us() / 1000000.0));
        timer.reset();
    } else {
        printf("  failed to create file!\r\n");
    }
}

void SDReadTest(const char * fname)
{
    printf("\r\n");
    printf("SDReadTest    : reading %d B using %d B buffer from %s...\r\n", TESTSIZE, sizeof(buffer), fname);
    FileHandle* file = sd.open(fname, O_RDONLY);
    if (file != NULL) {
        timer.start();
        int iterations = 0;
        while (file->read(buffer, sizeof(buffer)) == sizeof(buffer))
            iterations++;
        timer.stop();
        if (iterations != (TESTSIZE / sizeof(buffer)))
            printf("  read error!\r\n");
        else if (file->close())
            printf("  failed to close file!\r\n");
        else if (sd.remove(fname))
            printf("  failed to delete file!\r\n");
        else
            printf("  Result: %.2f KB/s\r\n", 1024 / (timer.read_us() / 1000000.0));
        timer.reset();
    } else {
        printf("  failed to open file!\n");
    }
}

// ====================================================

void STDIOWriteTest(const char * fqfname)
{
    printf("\r\n");
    printf("STDIOWriteTest: writing %d B using %d B buffer into %s...\r\n", TESTSIZE, sizeof(buffer), fqfname);
    FILE * file = fopen(fqfname, "w");
    if (file != NULL) {
        timer.start();
        for (int i = 0; i < (TESTSIZE / sizeof(buffer)); i++) {
            if (fwrite(buffer, 1, sizeof(buffer), file) != sizeof(buffer)) {
                timer.stop();
                printf("  write error!\r\n");
                timer.reset();
                return;
            }
        }
        timer.stop();
        if (fclose(file))
            printf("  failed to close file!\r\n");
        else
            printf("  Result: %.2f KB/s\r\n", 1024 / (timer.read_us() / 1000000.0));
        timer.reset();
    } else {
        printf("  failed to create file!\r\n");
    }
}

void STDIOReadTest(const char * fqfname)
{
    printf("\r\n");
    printf("STDIOReadTest : reading %d B using %d B buffer from %s...\r\n", TESTSIZE, sizeof(buffer), fqfname);
    FILE * fh = fopen(fqfname, "r");
    if (fh) {
        timer.start();
        int iterations = 0;
        while (fread(buffer, 1, sizeof(buffer), fh) == sizeof(buffer))
            iterations++;
        timer.stop();
        if (iterations != (TESTSIZE / sizeof(buffer)))
            printf("  read error! on iteration %d\r\n", iterations);
        else if (fclose(fh))
            printf("  failed to close file!\r\n");
        else if (remove(fqfname))
            printf("  failed to delete file!\r\n");
        else
            printf("  Result: %.2f KB/s\r\n", 1024 / (timer.read_us() / 1000000.0));
        timer.reset();
    } else {
        printf("  failed to open file!\r\n");
    }
}


void ShowDir(char *dir, int depth = 0)
{
    DIR *dp;
    struct dirent *dirp;
    
    dp = opendir(dir);
    if (dp) {
        printf("\r\nDirectory %s\r\n", dir);
        ++depth;
        while((dirp = readdir(dp)) != NULL) {
            printf("%*s  %s\r\n", (depth < 10) ? depth : 10, "", dirp->d_name);
            ShowDir(dirp->d_name, depth);
        }
        closedir(dp);
    }
}



// ====================================================


int main()
{
    printf("\r\n\r\n\r\n\r\n");
    printf("FileSys-Multi Test. Build " __DATE__ " " __TIME__ "\r\n");

    //Configure CRC, large frames, and write validation
    sd.crc(true);
    sd.large_frames(true);
    sd.write_validation(true);

    //Fill the buffer with random data for the write test
    srand(time(NULL));
    for (int i = 0; i < sizeof(buffer); i++)
        buffer[i] = rand();

    bool success = false;
    do {
        wait(0.5);

        if (!sd.card_present()) {
            printf("\r\nNo SD card present!\r\n");
            continue;
        }

        printf("\r\nMounting SD card...\r\n");
        if (sd.mount() != 0) {
            printf("failed to mount SD!\r\n");
            continue;
        }
        printf("  success!\r\n");
        printf("\tCard type: ");
        SDFileSystem::CardType cardType = sd.card_type();
        if (cardType == SDFileSystem::CARD_NONE)
            printf("None\r\n");
        else if (cardType == SDFileSystem::CARD_MMC)
            printf("MMC\r\n");
        else if (cardType == SDFileSystem::CARD_SD)
            printf("SD\r\n");
        else if (cardType == SDFileSystem::CARD_SDHC)
            printf("SDHC\r\n");
        else
            printf("Unknown\r\n");

        printf("\r\nMounting FS card...\r\n");
        if (fs.mount() != 0) {
            printf("failed to mount FS!\r\n");
            continue;
        }
        printf("  success!\r\n");

        //Display the card capacity
        printf("\tSectors: %u\r\n", sd.disk_sectors());
        printf("\tCapacity: %.1fMB\r\n", sd.disk_sectors() / 2048.0);

        STDIOWriteTest("/fs/fsfile1.bin");
        STDIOReadTest("/fs/fsfile1.bin");

        STDIOWriteTest("/sd/sdfile1.bin");
        STDIOReadTest("/sd/sdfile1.bin");

        SDWriteTest("sdfile2.bin");
        SDReadTest("sdfile2.bin");

        STDIOWriteTest("/fs/fsfile2.bin");
        STDIOReadTest("/fs/fsfile2.bin");

        STDIOWriteTest("/fs/fsfinal.txt");
        STDIOWriteTest("/sd/sdfinal.txt");

        /// * mkdir
        mkdir("/sd/sd_dir", 0777);       // @TODO check the permissions mask. ignored?
        mkdir("/fs/fs_dir", 0777);       // @TODO check the permissions mask. ignored?
        STDIOWriteTest("/sd/sd_dir/sdfile3.bin");
        STDIOWriteTest("/fs/fs_dir/fsfile3.bin");

        /// * opendir
        ShowDir("/sd");
        ShowDir("/fs");
        
        /// * rename starts with an unlink
        printf("\r\nrename:\r\n");
        remove("/sd/sdfinal.log");
        int rn = rename("/sd/sdfinal.txt", "/sd/sdfinal.log");
        printf("  rename(%s,%s) returned %d\r\n", "/sd/sdfinal.txt", "/sd/sdfinal.log", rn);
        remove("/fs/fsfinal.log");
            rn = rename("/fs/fsfinal.txt", "/fs/fsfinal.log");
        printf("  rename(%s,%s) returned %d\r\n", "/fs/fsfinal.txt", "/fs/fsfinal.log", rn);
        
        /// * live plug/unplug of either/both
        /// * Concurrent access (e.g. copy from one to the other).

        #if 0
        /// * fstat can be run against a specific object (e.g. sd.fstat)
        ///   but it will require deeper hooks into mbed library to get
        ///   the generalized form of fstat(file, &info);
        printf("fstat(%s):\r\n", "sdfinal.txt");
        FILINFO info;
        if (sd.fstat("sdfinal.txt", &info) == 0) {
            printf("  size: %d\r\n", info.fsize);
            printf("  date: %d\r\n", info.fdate);
            printf("  time: %d\r\n", info.ftime);
            printf("  attr: %X\r\n", info.fattrib);
            printf("  name: %s\r\n", info.fname);
        }
        // scraps that can have value...
        printf("Timestamp: %u/%02u/%02u, %02u:%02u\n",
               (info.fdate >> 9) + 1980, info.fdate >> 5 & 15, info.fdate & 31,
               info.ftime >> 11, info.ftime >> 5 & 63);
        printf("Attributes: %c%c%c%c%c\n",
               (info.fattrib & AM_DIR) ? 'D' : '-',
               (info.fattrib & AM_RDO) ? 'R' : '-',
               (info.fattrib & AM_HID) ? 'H' : '-',
               (info.fattrib & AM_SYS) ? 'S' : '-',
               (info.fattrib & AM_ARC) ? 'A' : '-');
        #endif
        
        //Unmount the SD card
        printf("\r\nunmounting all now...\r\n");
        sd.unmount();
        fs.unmount();
        success = true;

    } while (!success);
}