مشکل با کتابخانه sdcard در کدویژن
سلام.
من طبق help کدویژن برنامه زیر را نوشتم.مدار را هم طبق همون help برای mmc بستم.ولی در عمل فقط پیغام Disk init failedروی lcd ظاهر میشه.البته توی پروتئوس کاملا جواب گرفتم.
کسی میدونه مشکل از کجاست؟؟؟
[HTML]#include <mega16.h>
#include <sdcard.h>
#include <delay.h>
#include <lcd.h>
#asm
.equ __lcd_port=0x1b; ;PORTB
#endasm
// Timer1 overflow interrupt service routine
interrupt [TIM1_OVF] void timer1_ovf_isr(void)
{
TCNT1H=0x9C;
TCNT1L=0x40;
disk_timerproc();
}
// Declare your global variables here
void main(void)
{
// Declare your local variables here
unsigned char status;
// 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=In Func1=In Func0=In
// State7=T State6=T State5=T State4=T State3=T State2=T State1=T State0=T
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=0x00;
// Timer/Counter 0 initialization
// Clock source: System Clock
// Clock value: Timer 0 Stopped
// Mode: Normal top=0xFF
// OC0 output: Disconnected
TCCR0=0x00;
TCNT0=0x00;
OCR0=0x00;
// Timer/Counter 1 initialization
// Clock source: System Clock
// Clock value: 4000.000 kHz
// Mode: Normal top=0xFFFF
// OC1A output: Discon.
// OC1B output: Discon.
// Noise Canceler: Off
// Input Capture on Falling Edge
// Timer1 Overflow Interrupt: On
// Input Capture Interrupt: Off
// Compare A Match Interrupt: Off
// Compare B Match Interrupt: Off
TCCR1A=0x00;
TCCR1B=0x01;
TCNT1H=0x9C;
TCNT1L=0x40;
ICR1H=0x00;
ICR1L=0x00;
OCR1AH=0x00;
OCR1AL=0x00;
OCR1BH=0x00;
OCR1BL=0x00;
// Timer/Counter 2 initialization
// Clock source: System Clock
// Clock value: Timer2 Stopped
// Mode: Normal top=0xFF
// 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=0x04;
// USART initialization
// USART disabled
UCSRB=0x00;
// Analog Comparator initialization
// Analog Comparator: Off
// Analog Comparator Input Capture by Timer/Counter 1: Off
ACSR=0x80;
SFIOR=0x00;
// ADC initialization
// ADC disabled
ADCSRA=0x00;
// TWI initialization
// TWI disabled
TWCR=0x00;
// Global enable interrupts
#asm("sei")
lcd_init(16);
status=disk_initialize(0);
/* clear the LCD */
lcd_clear();
/* display disk initialization result on the LCD */
if (status & STA_NOINIT) lcd_puts("Disk init failed");
else
if (status & STA_NODISK) lcd_puts("Card not present");
else
if (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);
while (1)
{
// Place your code here
}
}[/HTML]
پاسخ با نقل قول
نوشته اصلی توسط sadmonew
اگه لحنم بد بود معذرت ميخوام.
