;/*====================================================================================== ;Project : I2C통신을 이용한 RTC(IN1307) 제어하기 ;Version : AVR2560D-V01 ;Date : 2011-07-28 ;Author : Kyung Nam Lee ;Company : LKEMBEDDED ;Compiler: CodevisionAVR + AVRStudio ;Comment: RTC(IN1307) IC의 정보를 읽어 와서 UART0포트에서 ASCII값으로 출력하는 프로그램이다. ; ;※※주의사항※※ ;RS232 TO USB 컨버터를 이용하여 AVR2560D확장형 개발보드와 PC를 서로 연결해야 한다. ;======================================================================================*/ ; ;#include ;PCODE: $00000000 VOL: 0 #ifndef __SLEEP_DEFINED__ ;PCODE: $00000001 VOL: 0 #define __SLEEP_DEFINED__ ;PCODE: $00000002 VOL: 0 .EQU __se_bit=0x01 ;PCODE: $00000003 VOL: 0 .EQU __sm_mask=0x0E ;PCODE: $00000004 VOL: 0 .EQU __sm_powerdown=0x04 ;PCODE: $00000005 VOL: 0 .EQU __sm_powersave=0x06 ;PCODE: $00000006 VOL: 0 .EQU __sm_standby=0x0C ;PCODE: $00000007 VOL: 0 .EQU __sm_ext_standby=0x0E ;PCODE: $00000008 VOL: 0 .EQU __sm_adc_noise_red=0x02 ;PCODE: $00000009 VOL: 0 .SET power_ctrl_reg=smcr ;PCODE: $0000000A VOL: 0 #endif ;PCODE: $0000000B VOL: 0 ;PCODE: $0000000C VOL: 0 ;#define MAINCLK 16000000 //메인 크리스탈 클럭 ;#define TWI_CLK 100000 //100khz ; ;#define TWBR_SET (MAINCLK-(16*TWI_CLK))/(4*2*TWI_CLK) //자동으로 TWBR을 구하기 위한공식 ; ;char data[4]={0}; ; ;// Standard Input/Output functions ;#include ;#include ;#define TWIE 0 ;#define TWEN 2 ;#define TWWC 3 ;#define TWSTO 4 ;#define TWSTA 5 ;#define TWEA 6 ;#define TWINT 7 ; ; ;void EEPROM_write(char WordAdress,char data) ; 0000 0023 { .CSEG ;PCODE: $0000000D VOL: 0 ;PCODE: $0000000E VOL: 0 ; 0000 0024 TWCR = (1< Y+1 ; data -> Y+0 ;PCODE: $0000000F VOL: 0 ;PCODE: $00000010 VOL: 0 ; 0000 0025 /* ; 0000 0026 Send START condition ; 0000 0027 */ ; 0000 0028 while (!(TWCR & (1< Y+1 ; data -> R17 ;PCODE: $0000003D VOL: 0 ;PCODE: $0000003E VOL: 0 ;PCODE: $0000003F VOL: 0 ;PCODE: $00000040 VOL: 0 ; 0000 0058 /* ; 0000 0059 Send START condition ; 0000 005A */ ; 0000 005B while (!(TWCR & (1<>4)*10; //초 ;PCODE: $000000B3 VOL: 0 ;PCODE: $000000B4 VOL: 0 ;PCODE: $000000B5 VOL: 0 ;PCODE: $000000B6 VOL: 0 ;PCODE: $000000B7 VOL: 0 ;PCODE: $000000B8 VOL: 0 ; 0000 00CA ; 0000 00CB s=(data2+data1); ;PCODE: $000000B9 VOL: 0 ;PCODE: $000000BA VOL: 0 ;PCODE: $000000BB VOL: 0 ;PCODE: $000000BC VOL: 0 ; 0000 00CC ; 0000 00CD data=EEPROM_read(1); ;PCODE: $000000BD VOL: 0 ;PCODE: $000000BE VOL: 0 ;PCODE: $000000BF VOL: 0 ;PCODE: $000000C0 VOL: 0 ; 0000 00CE data1=(data&0x0f); // 1의 자리 초 ;PCODE: $000000C1 VOL: 0 ;PCODE: $000000C2 VOL: 0 ;PCODE: $000000C3 VOL: 0 ; 0000 00CF data2=(data&0x70); // 10의 자리 초 ;PCODE: $000000C4 VOL: 0 ;PCODE: $000000C5 VOL: 0 ;PCODE: $000000C6 VOL: 0 ; 0000 00D0 data2=(data2>>4)*10; ;PCODE: $000000C7 VOL: 0 ;PCODE: $000000C8 VOL: 0 ;PCODE: $000000C9 VOL: 0 ;PCODE: $000000CA VOL: 0 ;PCODE: $000000CB VOL: 0 ;PCODE: $000000CC VOL: 0 ; 0000 00D1 m=(data2+data1); //분 ;PCODE: $000000CD VOL: 0 ;PCODE: $000000CE VOL: 0 ;PCODE: $000000CF VOL: 0 ;PCODE: $000000D0 VOL: 0 ; 0000 00D2 ; 0000 00D3 data=EEPROM_read(2); ;PCODE: $000000D1 VOL: 0 ;PCODE: $000000D2 VOL: 0 ;PCODE: $000000D3 VOL: 0 ;PCODE: $000000D4 VOL: 0 ; 0000 00D4 data1=(data&0x0f); // 1의 자리 초 ;PCODE: $000000D5 VOL: 0 ;PCODE: $000000D6 VOL: 0 ;PCODE: $000000D7 VOL: 0 ; 0000 00D5 data2=(data&0x30); // 10의 자리 초 ;PCODE: $000000D8 VOL: 0 ;PCODE: $000000D9 VOL: 0 ;PCODE: $000000DA VOL: 0 ; 0000 00D6 data2=(data2>>4)*10; ;PCODE: $000000DB VOL: 0 ;PCODE: $000000DC VOL: 0 ;PCODE: $000000DD VOL: 0 ;PCODE: $000000DE VOL: 0 ;PCODE: $000000DF VOL: 0 ;PCODE: $000000E0 VOL: 0 ; 0000 00D7 h=(data2+data1); //시간 ;PCODE: $000000E1 VOL: 0 ;PCODE: $000000E2 VOL: 0 ;PCODE: $000000E3 VOL: 0 ;PCODE: $000000E4 VOL: 0 ; 0000 00D8 ; 0000 00D9 printf("hour: %d minute: %d second: %d\r\n",h,m,s);//시간, 분, 초 ;PCODE: $000000E5 VOL: 0 ;PCODE: $000000E6 VOL: 0 ;PCODE: $000000E7 VOL: 0 ;PCODE: $000000E8 VOL: 0 ;PCODE: $000000E9 VOL: 0 ;PCODE: $000000EA VOL: 0 ;PCODE: $000000EB VOL: 0 ;PCODE: $000000EC VOL: 0 ;PCODE: $000000ED VOL: 0 ;PCODE: $000000EE VOL: 0 ;PCODE: $000000EF VOL: 0 ;PCODE: $000000F0 VOL: 0 ;PCODE: $000000F1 VOL: 0 ;PCODE: $000000F2 VOL: 0 ;PCODE: $000000F3 VOL: 0 ;PCODE: $000000F4 VOL: 0 ; 0000 00DA } ;PCODE: $000000F5 VOL: 0 ;PCODE: $000000F6 VOL: 0 ; 0000 00DB } ;PCODE: $000000F7 VOL: 0 ;PCODE: $000000F8 VOL: 0 ;PCODE: $000000F9 VOL: 0