충북인력개발원 전자과 공학박사 강원찬 11. temperature & time 제어. up avr...
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충북인력개발원 전자과공학박사 강원찬
11. Temperature & Time 제어
uP AVR (Atmega128)
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uP AVR (Atmega128)
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DS1620(Digital Thermometer & Thermostat)
uP AVR (Atmega128)
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uP AVR (Atmega128)
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uP AVR (Atmega128)
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uP AVR (Atmega128)
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uP AVR (Atmega128)
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uP AVR (Atmega128)
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0xee: 온도변한 시작
0x22:온도변환 정지
0x0c: 컨피그 데이터 쓰기
0xac: 컨피그 데이터 읽기
0xaa: 마지막으로 변환된 값 읽기
uP AVR (Atmega128)
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DS1302(Real-Time Clock chip)
uP AVR (Atmega128)
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uP AVR (Atmega128)
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uP AVR (Atmega128)
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uP AVR (Atmega128)
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P475 레지스터 정의표
uP AVR (Atmega128)
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Connection
PORTA <->J10(DC Motor)
PORTB <->J1(Temp-Time)
PORTC <->J19(Text LCD)
uP AVR (Atmega128)
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CodeVision setting
uP AVR (Atmega128)
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프로그램 개요
DS1620 Temperature IC 로 부터 현재 온도를 읽어들여 LCD 로 표시 .
DS1302 TIME IC 로 부터 현재의 시간을 읽어들여 LCD 로 표시
Reset 시 key 값을 확인하여 HIGH 일때는 온도를 LOW 일때는 TIME 을 표시
SW 49 를 전부 off 상태에서 다운로드 할것 !
uP AVR (Atmega128)
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프로그램소스 설명
Common.h // 새파일로 작성
#define BIT00x01#define BIT10x02#define BIT20x04#define BIT30x08#define BIT40x10#define BIT50x20#define BIT60x40#define BIT70x80
uP AVR (Atmega128)
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#define DDRA_Init DDRA = 0x00 #define PORTA_Init PORTA = 0xFF#define DDRB_Init DDRB = 0xFF#define PORTB_Init PORTB = 0x11#define DDRC_Init DDRC = 0xFF #define PORTC_Init PORTC = 0x00
#define LCDP PORTC
#define ENPIN_0 PORTC = PORTC & ~BIT1#define ENPIN_1 PORTC = PORTC | BIT1
typedef unsigned charBYTE;Typedef short int WORD;typedef unsigned longDWORD;
uP AVR (Atmega128)
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//DS1620#define OUT_H PORTB = PORTB | BIT0#define OUT_L PORTB = PORTB & ~BIT0#define SCK_H PORTB = PORTB | BIT1#define SCK_L PORTB = PORTB & ~BIT1#define RST_H PORTB = PORTB | BIT2#define RST_L PORTB = PORTB & ~BIT2
//DS1302#define T_OUT_H PORTB = PORTB | BIT4#define T_OUT_L PORTB = PORTB & ~BIT4#define T_SCK_H PORTB = PORTB | BIT5#define T_SCK_L PORTB = PORTB & ~BIT5#define T_RST_H PORTB = PORTB | BIT6#define T_RST_L PORTB = PORTB & ~BIT6
uP AVR (Atmega128)
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//Global variableBYTE DATA, DATA1;BYTE YEAR;BYTE MONTH;BYTE DATE;BYTE HR;BYTE MIN;BYTE SEC;
uP AVR (Atmega128)
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Main Function
P478-p490
교재를 보고 프로그래밍하시오 .,
uP AVR (Atmega128)
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#include <mega128.h>#include <delay.h> #include <lcd.h>#include <stdio.h> // Alphanumeric LCD Module functions#asm .equ __lcd_port=0x15 ;PORTC#endasm #define BIT0 0x01 #define BIT1 0x02 #define BIT2 0x04 #define BIT3 0x08 #define BIT4 0x10 #define BIT5 0x20 #define BIT6 0x40#define BIT7 0x80
#define LCDP PORTC#define ENPIN_0 PORTC = PORTC & ~BIT1#define ENPIN_1 PORTC = PORTC | BIT1
uP AVR (Atmega128)
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typedef unsigned char BYTE;typedef short int WORD;typedef unsigned long DWORD; //DS1620#define OUT_H PORTB = PORTB | BIT0#define OUT_L PORTB = PORTB & ~BIT0#define SCK_H PORTB = PORTB | BIT1#define SCK_L PORTB = PORTB & ~BIT1#define RST_H PORTB = PORTB | BIT2#define RST_L PORTB = PORTB & ~BIT2//DS1302#define T_OUT_H PORTB = PORTB | BIT4#define T_OUT_L PORTB = PORTB & ~BIT4#define T_SCK_H PORTB = PORTB | BIT5#define T_SCK_L PORTB = PORTB & ~BIT5#define T_RST_H PORTB = PORTB | BIT6#define T_RST_L PORTB = PORTB & ~BIT6
uP AVR (Atmega128)
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// Declare your global variables here BYTE DATA, DATA1;BYTE YEAR,MONTH,DATE,DAY,HR,MIN,SEC;BYTE flagg; BYTE KEY_DATA[8]; BYTE KEY_Flage;
unsigned char ldata[17]=" "; BYTE THRMIST[17] = " Thermometer !! ";
BYTE TEMP[12] = " Temp : "; //BYTE sun[4] = "SUN";//BYTE mon[4] = "MON"; //BYTE tue[4] = "TUE";//BYTE wed[4] = "WED";//BYTE thu[4] = "THU";//BYTE fri[4] = "FRI";//BYTE sat[4] = "SAT";
// External Interrupt 4 service routineinterrupt [EXT_INT4] void ext_int4_isr(void){ flagg = 1;}
uP AVR (Atmega128)
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BYTE READ(BYTE ADDRESS){ BYTE buff1,i,TEM; RST_H; for(i=0;i<8;i++) { SCK_L; //delay_us(30); if(ADDRESS & 0X01) OUT_H; else OUT_L; delay_us(10); SCK_H; delay_us(10); ADDRESS >>= 1; }
DDRB = 0xFE; #asm NOP NOP #endasm OUT_L; delay_us(900); buff1 = 0X00;
uP AVR (Atmega128)
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for(i=0;i<8;i++) { SCK_L; buff1 >>= 1; //delay_us(3); #asm NOP NOP NOP #endasm TEM = PINB; KEY_DATA[i] = TEM & 0x01; //& 0X04; //if(IN) buff1 |= 0x80; //else buff1 &= 0x7F; SCK_H; #asm NOP NOP NOP #endasm //delay_us(3); }
SCK_L; RST_L; DDRB = 0xFF; buff1 |= KEY_DATA[0]; for(i=1;i<8;i++) { buff1 |= (KEY_DATA[i] << i); } OUT_H; return(buff1);}
uP AVR (Atmega128)
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void READ_CAL(void){ DATE = READ(0X87); delay_ms(5); DATE &= 0X3F; MONTH = READ(0X89); delay_ms(5); MONTH &= 0X1F; DAY = READ(0X8B); delay_ms(5); DAY &= 0X07; YEAR = READ(0X8D); }
void READ_CLOCK(void){ SEC = READ(0X81); SEC &= 0X7F; MIN = READ(0X83); MIN &= 0X7F; HR = READ(0X85); HR &= 0X3F;}
uP AVR (Atmega128)
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void WRITE(BYTE ADDRESS, BYTE DATA){ BYTE i; RST_H; for(i=0;i<8;i++) { SCK_L; //delay_us(10); if(ADDRESS & 0X01) OUT_H; else OUT_L; delay_us(10); SCK_H; delay_us(10); ADDRESS >>= 1; } delay_ms(1);
for(i=0;i<8;i++) { SCK_L; //delay_us(10); if(DATA & 0X01) OUT_H; else OUT_L; delay_us(10); SCK_H; delay_us(10); DATA >>= 1; } SCK_L; RST_L; }
uP AVR (Atmega128)
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void WRITE_CLOCK(void){ WRITE(0X80 , SEC); delay_ms(5); WRITE(0X82 , MIN); delay_ms(5); WRITE(0X84 , HR); delay_ms(5); WRITE(0X86 , DATE); delay_ms(5); WRITE(0X88 , MONTH); delay_ms(5); WRITE(0X8A , DAY); delay_ms(5); WRITE(0X8C , YEAR);}
uP AVR (Atmega128)
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void DISP_CAL(void){ char temp[4]=" "; switch(DAY) { case 1 : sprintf(temp,"sun"); break; case 2 : sprintf(temp,"mon"); break; case 3 : sprintf(temp,"tue"); break; case 4 : sprintf(temp,"wed"); break; case 5 : sprintf(temp,"thu"); break; case 6 : sprintf(temp,"pri"); break; case 7 : sprintf(temp,"sat"); break; } lcd_gotoxy(0,0); sprintf(ldata,"20%02x,%2x,%2x,%4s", YEAR, MONTH, DATE, temp); lcd_puts(ldata); }
uP AVR (Atmega128)
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void DISP_CLOCK(void){ lcd_gotoxy(0,1); sprintf(ldata,"TIME: %2x:%2x:%2x ", HR, MIN, SEC); lcd_puts(ldata);
} void TEMP_SEND(BYTE DATA)
{ BYTE i; for(i=0;i<8;i++) { T_SCK_L; #asm NOP NOP #endasm if(DATA & 0X01) T_OUT_H; else T_OUT_L; delay_us(10); T_SCK_H; DATA >>=1; delay_us(10); }}
uP AVR (Atmega128)
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BYTE TEMP_RECEIVE(void){ BYTE i,data,data1; DDRB = 0XEF; data = 0; data1 = 0; T_OUT_L; delay_us(700); for(i=0;i<8;i++) { T_SCK_L; #asm NOP NOP NOP #endasm delay_us(10); data1 = PINB; KEY_DATA[i] = (data1 >> 4)& 0x01; //& 0X04; T_SCK_H; delay_us(10);
#asm NOP NOP NOP #endasm } DDRB = 0XFF; data |= KEY_DATA[0]; for(i=1;i<8;i++) { data |= (KEY_DATA[i] << i); } return data;}
uP AVR (Atmega128)
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void DISP_TEMP(BYTE TO,BYTE T){ BYTE T1,T2,T3;
T3 = T & 0x01; T >>= 1; if(TO == 0X01) { sprintf(ldata,"-"); lcd_puts(ldata); T = ~T; T += 1; } T2 = T/100; if(T2 != 0X00) { T2 += 0X30; sprintf(ldata,"%c",T2); lcd_puts(ldata); T2 = T%100; T1 = T2/10; T1 += 0X30; }
else { T2 = T%100; T1 = T2/10; if(T1 == 0X00) {sprintf(ldata," "); lcd_puts(ldata);} else T1 += 0X30; } sprintf(ldata,"%c",T1); lcd_puts(ldata); T1 = T2%10; T1 += 0X30; sprintf(ldata,"%c.",T1); lcd_puts(ldata); if(T3 & 0x01){ sprintf(ldata,"5");lcd_puts(ldata); } else { sprintf(ldata,"0");lcd_puts(ldata);} sprintf(ldata,"%cC%c",0xDF,0x20); lcd_puts(ldata);}
uP AVR (Atmega128)
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void Temp_Rd_disp(void){ T_RST_L; T_RST_H; TEMP_SEND(0XAC); delay_us(50); DATA = TEMP_RECEIVE(); T_RST_L; if((DATA & 0X03) != 0X03) { T_RST_H; TEMP_SEND(0X0C); TEMP_SEND(0X03); T_RST_L; } T_RST_H; TEMP_SEND(0X22); T_RST_L; T_RST_H; TEMP_SEND(0XEE); T_RST_L;
Do{ T_RST_H; TEMP_SEND(0XAC); DATA = TEMP_RECEIVE(); T_RST_L; }while((DATA & 0X80) != 0X80); T_RST_H; TEMP_SEND(0XAA); DATA = TEMP_RECEIVE(); DATA1 = TEMP_RECEIVE(); T_RST_L; // lcd_clear(); //LCD CLEAR delay_ms(100); lcd_gotoxy(0,0); // Position : 1st Line sprintf(ldata,"%s",THRMIST); lcd_puts(ldata); lcd_gotoxy(0,1); sprintf(ldata,"%s",TEMP); lcd_puts(ldata); // delay_ms(1000); DISP_TEMP(DATA1,DATA); }
uP AVR (Atmega128)
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void main(void){// Declare your local variables here
PORTA=0xFF;DDRA=0x00;PORTB=0x11;DDRB=0xFF;PORTC=0x00;DDRC=0xFF;PORTD=0x00;DDRD=0x00;
// External Interrupt(s) initializationEICRA=0x00;EICRB=0x02;EIMSK=0x10;EIFR=0x10;
// Timer(s)/Counter(s) Interrupt(s) initializationTIMSK=0x00;ETIMSK=0x00;// Analog Comparator initializationACSR=0x80;SFIOR=0x00;
uP AVR (Atmega128)
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// LCD module initialization lcd_init(16);
KEY_Flage = 0; flagg = 0;
RST_L; SCK_L; OUT_H; T_RST_L; T_SCK_L; T_OUT_H; WRITE(0X8E,0); WRITE(0X80,0);
// 날자 /시간 세팅 YEAR = 0X11; //2011 year MONTH = 0X07; //7 month DAY = 0X04; //wed DATE = 0X21; //20 date HR = 0X11; //11 hour MIN = 0X59; //44 minite SEC = 0X00; //second
uP AVR (Atmega128)
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WRITE_CLOCK(); delay_ms(10); WRITE_CLOCK(); delay_ms(10); READ_CAL(); delay_ms(10); READ_CAL(); #asm("sei")
while (1) { DISP_CAL(); READ_CLOCK(); DISP_CLOCK();
uP AVR (Atmega128)
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if(flagg) { Temp_Rd_disp(); delay_ms(1000); delay_ms(1000); delay_ms(1000); flagg = 0; lcd_clear(); } }; //end of while}
uP AVR (Atmega128)
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연습문제1) 전원을 켜면 시계가 표시된다 .
2) KEY2 를 누르면 5 초간 현재온도가 표시되고 , 다시 시계로 돌아간다 .
3) 시계를 맞추도록 다른키를 이용해 세팅부분을 완성하시오 .
uP AVR (Atmega128)
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