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);
}