TI MSP430 Microcontroller Read / Write SD / MMC FLASH

This code uses the MMC.c library and MMC.h header

//*******************************************************************************
//  MSP-MMC Demo - Demo to show how to use the MMC library
//
//  Description; This example shows the correct setup and usage of the MMC
//  Library
//
//
//  S. Schauer
//  Texas Instruments, Inc
//  June 2005
//  Updated for IAR Embedded Workbench Version: 3.31B
//******************************************************************************

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#include <msp430x16x.h>
#include <stdio.h>
#include "mmc.h"

unsigned long cardSize = 0;
unsigned char status = 1;
unsigned int timeout = 0;
unsigned long i = 0;

unsigned char buffer[512], buffer2[]={"hola y  c h a o!hola y  c h a o!hola y  c h a o!hola y  c h a o!hola y  c h a o!hola y  c h a o!hola y  c h a o!hola y  c h a o!hola y  c h a o!hola y  c h a o!hola y  c h a o!hola y  c h a o!hola y  c h a o!hola y  c h a o!hola y  c h a o!hola y  c h a o!hola y  c h a o!hola y  c h a o!hola y  c h a o!hola y  c h a o!hola y  c h a o!hola y  c h a o!hola y  c h a o!hola y  c h a o!hola y  c h a o!hola y  c h a o!hola y  c h a o!hola y  c h a o!hola y  c h a o!hola y  c h a o!hola y  c h a o!hola y  c h a o!"};
                                                       //
int main( void )
{
  WDTCTL = WDTPW + WDTHOLD;

  //Initialisation of the MMC/SD-card
  while (status != 0)                       // if return in not NULL an error did occur and the
                                            // MMC/SD-card will be initialized again 
  {
    status = initMMC();
    timeout++;
    if (timeout == 50)                      // Try 50 times till error
    {
      printf ("No MMC/SD-card found!! %x\n", status);
      break;
    }
  }

  while ((mmc_ping() != MMC_SUCCESS));      // Wait till card is inserted

  // Read the Card Size from the CSD Register
  cardSize =  MMC_ReadCardSize();
  printf ("Card Size: %ld\n", cardSize);

/*  for (i = 0; i <= 512; i++) buffer[i] = i;
  mmcWriteSector(1, buffer);                // write a 512 Byte big block beginning at the (aligned) adress

  for (i = 0; i <= 512; i++) buffer[i] = i+64;
  mmcWriteSector(2, buffer);                // write a 512 Byte big block beginning at the (aligned) adress

  mmcReadSector(1, buffer);                 // read a size Byte big block beginning at the address.

  mmcReadSector(2, buffer);                 // read a size Byte big block beginning at the address.
for(i=50430;i<50450;i++)
{
mmcReadSector(i, buffer);
printf ("%s\n", buffer);
}
*/
mmcWriteSector(100003, "Ticket de Asistencia");

/*for(i=100002;i<100009;i++)//for(i=50439;i<50444;i++)
{
  mmcReadSector(i, buffer);
  printf ("%s\n", buffer);*/
mmcReadSector(100003, buffer);
printf ("%s\n", buffer);
//printf ("%lu: %s\n",i, buffer);
//}
/*
  mmcWriteSector(100001, "ID MSP430###########");
  mmcWriteSector(100002, "0102030405060708091011121314000000000000");
  mmcWriteSector(100003, "Ticket de Prueba####");
  mmcWriteSector(100004, "Dhemax Ltda.########");
  mmcWriteSector(100005, "Apellidos###########");
  mmcWriteSector(100006, "Nombres#############");
  mmcWriteSector(100007, "RUT#################");
  mmcWriteSector(100008, "No Empleado#########");
  mmcWriteSector(100009, "PayRoll#############");
  mmcWriteSector(100010, "Codigo Tarjeta######");
  mmcWriteSector(100011, "Centro Costo########");
  mmcWriteSector(100012, "D.C.Costo###########");
  mmcWriteSector(100013, "Codigo Area#########");
  mmcWriteSector(100014, "D.C.Area############");
  mmcWriteSector(100015, "Codigo Cargo########");
  mmcWriteSector(100016, "D.C.Cargo###########");
  mmcWriteSector(100017, "Estado##############");
  mmcWriteSector(100018, "Dedo################");
  mmcWriteSector(100019, "Opcion##############");
  mmcWriteSector(100020, "Lector##############");
  mmcWriteSector(100021, "Fecha###############");
  mmcWriteSector(100022, "Horario#############");
  mmcWriteSector(100023, "Clave###############");
  mmcWriteSector(100024, "Hora################");
 */
  mmc_GoIdle();                             // set MMC in Idle mode

//mmcWriteSector(21965, "Contreras Mardones############|Victor Adolfo#################|Descripcion CentroCosto Victor|51########|X-Files#######################|852#######|No sabemos que poner aqui#####|El no come");
//mmcWriteSector(50441, "Alvina Olavarria##############|Alejandro Andres##############|Descripcion CentroCosto Alvina|101#######|No se me ocurre###############|753#######|No sabemos que poner aqui 2###|El si come");
//mmcWriteSector(65545, "0102030405060708091011121314000000000000");
//mmc_GoIdle();
  while (1);
}