SDBlockDevice example application

// https://os.mbed.com/docs/v5.10/apis/sdblockdevice.html
// https://github.com/ARMmbed/sd-driver/
#include "mbed.h"
#include "SDBlockDevice.h"

SDBlockDevice sd(PTE3, PTE1, PTE2, PTE4);   // FRDM-K64F, micro SD card

uint8_t block[512] = "Hello World!\n";

int main()
{
    // call the SDBlockDevice instance initialisation method.
    if ( 0 != sd.init()) {
        printf("Init failed \n");
        return -1;
    }
    printf("sd size: %llu\n",         sd.size());
    printf("sd read size: %llu\n",    sd.get_read_size());
    printf("sd program size: %llu\n", sd.get_program_size());
    printf("sd erase size: %llu\n",   sd.get_erase_size());

    // set the frequency
    if ( 0 != sd.frequency(5000000)) {
        printf("Error setting frequency \n");
    }
    if ( 0 != sd.erase(0, sd.get_erase_size())) {
        printf("Error Erasing block \n");
    }
    // Write some the data block to the device
    if ( 0 == sd.program(block, 0, 512)) {
        // read the data block from the device
        if ( 0 == sd.read(block, 0, 512)) {
            // print the contents of the block
            printf("%s", block);
        }
    }
    // call the SDBlockDevice instance de-initialisation method.
    sd.deinit();

    printf("mbed os %d.%d.%d\r\n", MBED_MAJOR_VERSION, MBED_MINOR_VERSION, MBED_PATCH_VERSION);
}
// mbed os 5.9.5 Success!
// mbed os 5.10.0 Error: Library name 'sd' not unique (defined in /tmp/...)