ds1307

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سلام

کسی از دوستان برنامه خواندن از ds1307 داره؟البته به زبان c(بدون توابع کتابخانه ای )

برنامه write درست اجرا شد ولی read هر کاری کردم نشد

ممنون

[hmdtop]

پاسخ : ds1307

سلام

#include <mega16.h>
#include <delay.h>
#include<stdio.h>

// I2C Bus functions
#asm
.equ __i2c_port=0x1B ;PORTA
.equ __sda_bit=0
.equ __scl_bit=1
#endasm
#include <i2c.h>

// DS1307 Real Time Clock functions
#include <ds1307.h>

// Alphanumeric LCD Module functions
#asm
.equ __lcd_port=0x18 ;PORTB
#endasm
#include <lcd.h>

// Declare your global variables here
unsigned char hour,minute,second;
char lcd1[16],lcd2[16];
unsigned char year,month,day;
unsigned char key,keystate;

flash unsigned char miltable[6][12]={
{20,19,19,19,20,20,21,21,21,21,20,20},
{10,11,10,12,11,11,10,10,10,9,10,10},
{19,18,20,20,21,21,22,22,22,22,21,21},
{11,12,10,11,10,10,9,9,9,8,9,9},
{20,19,20,20,21,21,22,22,22,22,21,21},
{10,11,9,11,10,10,9,9,9,8,9,9}};

struct date{
unsigned char day;
unsigned char month;
unsigned char year;
};
struct date shmdate,mildate ;

/************************************************** ***********************/
void miltoshmcv(unsigned char year,unsigned char month,unsigned char day)
{
unsigned char k,t1,t2;
k=year%4;
if(k==3)
k=2;
k*=2;
t1=miltable[k][month-1];
t2=miltable[k+1][month-1];
if(month<3 || (month==3 && day<=miltable[k][month-1]))
shmdate.year = year + 78;
else
shmdate.year = year + 79;

if(day<=t1)
{
shmdate.day=day+t2;
shmdate.month=(month+8)%12+1;
}
else
{
shmdate.day=day-t1;
shmdate.month=(month+9)%12+1;
}
}
/************************************************** ********************/

void main(void)
{

// Declare your local variables here

// 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=0x00;

// 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=0xFF;
DDRD=0x00;

// 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
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;

// I2C Bus initialization
i2c_init();

// DS1307 Real Time Clock initialization
// Square wave output on pin SQW/OUT: Off
// SQW/OUT pin state: 0
rtc_init(0,0,0);

// LCD module initialization
lcd_init(16);

while (1)
{
rtc_get_time(&hour,&minute,&second);
rtc_get_date(&day,&month,&year);
miltoshmcv(year,month,day);

key=PIND & 0b11111100;
if (key!=keystate)
{
if (key!=0b11111100)
{
if (key==0xF8) //if key 1 pressed set the year
{
year++;
if (year==100)
year=0;
}
if (key==0xF4) //if key 2 pressed set the month
{
month++;
if (month==13)
month=1;
}
if (key==0xEC) //if key 3 pressed set the day
{
day++;
if (day==32)
day=1;
}
if (key==0xDC) //if key 4 pressed set the hour
{
hour++;
if (hour==24)
hour=0;
}
if (key==0xBC) //if key 5 pressed set the minute
{
minute++;
if (minute==60)
minute=0;
}
if (key==0x7C) //if key 6 pressed set the second
{
second++;
if (second==60)
second=0;
}
rtc_set_time(hour,minute,second);
rtc_set_date(day,month,year);
keystate=key;
}else
keystate=0b11111100;
}

sprintf(lcd1,"%02u:%02u:%02u",hour,minut e,second);
sprintf(lcd2,"%02u/%02u/%02u",shmdate.year,shmdate.month,shmdate.day) ;

lcd_clear();
lcd_gotoxy(0,0);
lcd_puts(lcd1);
lcd_gotoxy(0,1);
lcd_puts(lcd2);
delay_ms(100);

};
}

[zigurat]

پاسخ : ds1307

ممنون از اینکه کمک کردید ولی شما از توابع کتابخانه ای استفاده کردید
من بدون استفاده از توابع می خوام این کار بکنم

[dariush_abbasi868]

پاسخ : ds1307

وست عزیز وقتی کتابخانه اینکار براحتی در کد ویژن اینکار را برای شما انجام می دهد من نمی فهمم چرا شما نم خواهید از آن استفاده کنید مطمئنا راه رفته را دوباره کاری کردن عقب گرد است