#include <mega16.h>
#include <spi.h>
#include "mmc_lib.h"
unsigned char buf_mmc[512]; // IN BUFERY AST KE BARAYE TABADOLE ETELAAT BA MMC ESTEFADE MISHE.
unsigned long sector_num;
unsigned int i;
void main(void)
{
// Input/Output Ports initialization
// Port A initialization
// Func7=In Func6=In Func5=In Func4=In Func3=In Func2=In Func1=In Func0=In
// State7=T State6=T State5=T State4=T State3=T State2=T State1=T State0=T
PORTA=0x00;
DDRA=0x00;
// Port B initialization
// Func7=Out Func6=In Func5=Out Func4=Out Func3=In Func2=In Func1=In Func0=Out
// State7=0 State6=T State5=0 State4=0 State3=T State2=T State1=T State0=0
PORTB=0x00;
DDRB=0xB1;
// Port C initialization
// Func7=In Func6=In Func5=In Func4=In Func3=In Func2=In Func1=In Func0=In
// State7=T State6=T State5=T State4=T State3=T State2=T State1=T State0=T
PORTC=0x00;
DDRC=0x00;
// Port D initialization
// Func7=In Func6=In Func5=In Func4=In Func3=In Func2=In Func1=In Func0=In
// State7=T State6=T State5=T State4=T State3=T State2=T State1=T State0=T
PORTD=0x00;
DDRD=0xFF;
// Timer/Counter 0 initialization
// Clock source: System Clock
// Clock value: Timer 0 Stopped
// Mode: Normal top=FFh
// OC0 output: Disconnected
TCCR0=0x00;
TCNT0=0x00;
OCR0=0x00;
// Timer/Counter 1 initialization
// Clock source: System Clock
// Clock value: Timer 1 Stopped
// Mode: Normal top=FFFFh
// OC1A output: Discon.
// OC1B output: Discon.
// Noise Canceler: Off
// Input Capture on Falling Edge
// Timer 1 Overflow Interrupt: Off
// Input Capture Interrupt: Off
// Compare A Match Interrupt: Off
// Compare B Match Interrupt: Off
TCCR1A=0x00;
TCCR1B=0x00;
TCNT1H=0x00;
TCNT1L=0x00;
ICR1H=0x00;
ICR1L=0x00;
OCR1AH=0x00;
OCR1AL=0x00;
OCR1BH=0x00;
OCR1BL=0x00;
// Timer/Counter 2 initialization
// Clock source: System Clock
// Clock value: Timer 2 Stopped
// Mode: Normal top=FFh
// OC2 output: Disconnected
ASSR=0x00;
TCCR2=0x00;
TCNT2=0x00;
OCR2=0x00;
// External Interrupt(s) initialization
// INT0: Off
// INT1: Off
// INT2: Off
MCUCR=0x00;
MCUCSR=0x00;
// Timer(s)/Counter(s) Interrupt(s) initialization
TIMSK=0x00;
// Analog Comparator initialization
// Analog Comparator: Off
// Analog Comparator Input Capture by Timer/Counter 1: Off
ACSR=0x80;
SFIOR=0x00;
// SPI initialization
// SPI Type: Master
// SPI Clock Rate: 2000.000 kHz
// SPI Clock Phase: Cycle Half
// SPI Clock Polarity: Low
// SPI Data Order: MSB First
SPCR=0x50;
SPSR=0x00;
mmc_init(); // RAH ANDAZI MMC
for (i = 0 ; i <= 511 ; i++)
{
buf_mmc[i] = 0xff; // POR KARDANE BUFER
}
sector_num = 120000; // ENTEKHABE SECTORE SHOMAREYE "50" AZ MMC , BARAYE NEVESHTAN VA KHANDAN
mmc_write(sector_num, buf_mmc); // NEVESHTAN ROOYE MMC
for (i = 0 ; i <= 511 ; i++)
{
buf_mmc[i] = 0; // KHALI KARDANE BUFER
}
mmc_read(sector_num, buf_mmc); // KHANDAN AZ ROOYE MMC
PORTD = buf_mmc[2]; // NAMAYESHE ADADE KHANDE SHODE AZ MMC
while (1)
{
// Place your code here
};
}
دیدگاه