سلام به دوستان.
من هر کاری میکنم میکرو mmc رو نمیشناسه. از sdcard.h استفاده کردم ولی بازم نمیشناسه.
برنامه ی من به شرح زیره لطفا اشکال برنامه رو به من بگید که درستش کنم:
کد:
/*****************************************************
This program was produced by the
CodeWizardAVR V2.04.4a Advanced
Automatic Program Generator
© Copyright 1998-2009 Pavel Haiduc, HP InfoTech s.r.l.
http://www.hpinfotech.com
Project : Speaker Clock
Version : 1
Date : 2012-01-31
Author : Hamed dehghani
Company : Mr.EFDc
Comments:
Chip type : ATmega64
Program type : Application
AVR Core Clock frequency: 8.000000 MHz
Memory model : Small
External RAM size : 0
Data Stack size : 1024
*****************************************************/
#include <mega64.h>
#include <delay.h>
#include <sdcard.h>
#include <stdio.h>
#include <stdlib.h>
// Alphanumeric LCD Module functions
#asm
.equ __lcd_port=0x12 ;PORTD
#endasm
#include <lcd.h>
unsigned char i;
// Timer 0 overflow interrupt service routine
interrupt [TIM0_OVF] void timer0_ovf_isr(void)
{
// Place your code here
TCNT0=0;
i++;
if(i==4)
{
TCNT0=30;
}
if(i==5)
{
disk_timerproc();
i=0;
}
}
// SPI functions
#include <spi.h>
// Declare your global variables here
//char lcd[16];
void main(void)
{
// Declare your local variables here
unsigned char disk_status,vol=0;
char filename[6]="a.txt",buff[16];
unsigned int br,btr=10;
FATFS drive;
FIL fs;
// 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=In Func6=In Func5=In Func4=In Func3=In Func2=Out Func1=Out Func0=Out
// State7=T State6=T State5=T State4=T State3=T State2=0 State1=0 State0=0
PORTB=0x00;
DDRB=0x07;
// 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=0x00;
// Port E 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
PORTE=0x00;
DDRE=0x00;
// Port F 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
PORTF=0x00;
DDRF=0x00;
// Port G initialization
// Func4=In Func3=In Func2=In Func1=In Func0=In
// State4=T State3=T State2=T State1=T State0=T
PORTG=0x00;
DDRG=0x00;
// Timer/Counter 0 initialization
// Clock source: System Clock
// Clock value: 125.000 kHz
// Mode: Normal top=FFh
// OC0 output: Disconnected
ASSR=0x00;
TCCR0=0x04;
TCNT0=0x00;
OCR0=0x00;
// Timer/Counter 1 initialization
// Clock source: System Clock
// Clock value: Timer1 Stopped
// Mode: Normal top=FFFFh
// OC1A output: Discon.
// OC1B output: Discon.
// OC1C output: Discon.
// Noise Canceler: Off
// Input Capture on Falling Edge
// Timer1 Overflow Interrupt: Off
// Input Capture Interrupt: Off
// Compare A Match Interrupt: Off
// Compare B Match Interrupt: Off
// Compare C Match Interrupt: Off
TCCR1A=0x00;
TCCR1B=0x00;
TCNT1H=0x00;
TCNT1L=0x00;
ICR1H=0x00;
ICR1L=0x00;
OCR1AH=0x00;
OCR1AL=0x00;
OCR1BH=0x00;
OCR1BL=0x00;
OCR1CH=0x00;
OCR1CL=0x00;
// Timer/Counter 2 initialization
// Clock source: System Clock
// Clock value: Timer2 Stopped
// Mode: Normal top=FFh
// OC2 output: Disconnected
TCCR2=0x00;
TCNT2=0x00;
OCR2=0x00;
// Timer/Counter 3 initialization
// Clock source: System Clock
// Clock value: Timer3 Stopped
// Mode: Normal top=FFFFh
// OC3A output: Discon.
// OC3B output: Discon.
// OC3C output: Discon.
// Noise Canceler: Off
// Input Capture on Falling Edge
// Timer3 Overflow Interrupt: Off
// Input Capture Interrupt: Off
// Compare A Match Interrupt: Off
// Compare B Match Interrupt: Off
// Compare C Match Interrupt: Off
TCCR3A=0x00;
TCCR3B=0x00;
TCNT3H=0x00;
TCNT3L=0x00;
ICR3H=0x00;
ICR3L=0x00;
OCR3AH=0x00;
OCR3AL=0x00;
OCR3BH=0x00;
OCR3BL=0x00;
OCR3CH=0x00;
OCR3CL=0x00;
// External Interrupt(s) initialization
// INT0: Off
// INT1: Off
// INT2: Off
// INT3: Off
// INT4: Off
// INT5: Off
// INT6: Off
// INT7: Off
EICRA=0x00;
EICRB=0x00;
EIMSK=0x00;
// Timer(s)/Counter(s) Interrupt(s) initialization
TIMSK=0x01;
ETIMSK=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;
// LCD module initialization
lcd_init(16);
// Global enable interrupts
#asm("sei")
/* initialize SPI interface and card driver */
disk_status=disk_initialize(0);
/* clear the LCD */
lcd_clear();
/* display disk initialization result on the LCD */
if (disk_status & STA_NOINIT) lcd_puts("Disk init failed");
else
if (disk_status & STA_NODISK) lcd_puts("Card not present");
else
if (disk_status & STA_PROTECT) lcd_puts("Card write\nprotected");
/* all status flags are 0, disk initialization OK */
else
lcd_puts("Init OK");
/* wait 2 seconds */
delay_ms(2000);
lcd_clear();
while (1)
{
// Place your code here
f_mount(vol,&drive);
f_open(&fs,filename,FA_OPEN_EXISTING);
f_read(&fs,&buff,btr,&br);
lcd_gotoxy(0,0);
lcd_puts(buff);
};
}
پاسخی که از mmc میگیره درست نیست.
برای ارتباط سخت افزاری میکرو و mmc هم از CD4050 استفاده کردم.[/align]
صفحه اصلی
انجمن
جستجو
فهرست اعضا
افزونه های فایرفاکس
» 
تشکر شده توسط :
![[تصویر: codevision-help.png]](http://ups.night-skin.com/up-90-12/codevision-help.png)