Giao tiếp card MMC ?

[doianhve]

-----file chinh-----------

#include <E:\Read_Card\16F877.h> // da doi thu tu PortD de phu hop mach in
#fuses HS,NOWDT,NOPROTECT,NOLVP
#use delay(clock=20000000)
#use rs232(baud=9600, xmit=PIN_A3, rcv=PIN_A2)  // Jumpers: 11 to 17, 12 to 18
#include <E:\Read_Card\lcd_driver.c>
#include <E:\Read_Card\spi.c>
void main() {
   int Kiem_Tra;
   kiem_tra=1;
   lcd_init();
   //setup_spi(SPI_MASTER | SPI_H_TO_L | SPI_CLK_DIV_16);
   //F la khoi xoa man hinh va ghi tu dong 1
   //n la xuong dong
   while(true)
   {
      kiem_tra=mmc_init();
      lcd_putc("\fChan doi qua 456\n");
      if (!kiem_tra)
      {
            lcd_putc("Wait...\n");
            mmc_write_block(100);
            mmc_read_block(100);
      }

       delay_ms(2000);
   }

}