Login▼/회원가입BASIC4MCU | 디스플레이 | LCD | mega8 Large Font LCD 시계
페이지 정보
작성자 키트 작성일2017-08-31 17:42 조회1,896회 댓글0건본문
//RS (pin4) ----- bit 0//RD (pin 5) ----- bit 1//EN (pin 6) ----- bit 2//사용안함 bit 3//DB4 (pin 11) --- bit 4//DB5 (pin 12) --- bit 5//DB6 (pin 13) --- bit 6//DB7 (pin 14) --- bit 7
#include <mega8.h>#include <delay.h>#include <stdio.h>#include <string.h>//#define MODE_SW PINC.0#define HOUR_SW PINC.1#define MIN_SW PINC.2#define SAVE_SW PINC.3//#define key_Mode 1#define key_Hour 2#define key_Min 3#define key_Save 4//#define mode_time 1#define mode_alarm 2//bit sec_Flg=0;//char sec=0, mmin=0, hour=12, day=1, mon=1, year=0, hhour, min_10, min_1;eeprom char ee_hour, ee_min;char alrm_hour, alrm_min;char tp_min=0, tp_hour=0;char mode=0;//bit key_tp_Flg=0, key_Flg=0;char key_buf=0;//unsigned char str[21];char font[8][8] ={{0b00000111,0b00001111,0b00011111,0b00011111,0b00011111,0b00011111,0b00011111,0b00011111},{0b00011111,0b00011111,0b00011111,0b00000000,0b00000000,0b00000000,0b00000000,0b00000000},{0b00011100,0b00011110,0b00011111,0b00011111,0b00011111,0b00011111,0b00011111,0b00011111},{0b00011111,0b00011111,0b00011111,0b00011111,0b00011111,0b00011111,0b00001111,0b00000111},{0b00000000,0b00000000,0b00000000,0b00000000,0b00000000,0b00011111,0b00011111,0b00011111},{0b00011111,0b00011111,0b00011111,0b00011111,0b00011111,0b00011111,0b00011110,0b00011100},{0b00011111,0b00011111,0b00011111,0b00000000,0b00000000,0b00000000,0b00011111,0b00011111},{0b00011111,0b00000000,0b00000000,0b00000000,0b00000000,0b00011111,0b00011111,0b00011111}};//#define lcd_Out PORTB // PORTA.4~7 4bits#define lcd_E {delay_us(1);lcd_Out&=~4;delay_us(1);}//void LCD_CMD(char c){ lcd_Out=(c&0xF0)|4; lcd_E; lcd_Out=(c<<4)|4; lcd_E; delay_ms(3); }void LCD_DAT(char d){ lcd_Out=(d&0xF0)|5; lcd_E; lcd_Out=(d<<4)|1; lcd_E; delay_us(50); }void lcd_puts(char *s){ while(*s)LCD_DAT(*s++); }void lcd_clear(void){ LCD_CMD(0x01); }void lcd_gotoxy(char col, char row){if(row<2)LCD_CMD(0x80+(col+row*0x40));else LCD_CMD(0x94+(col+(row-2)*0x40));}void lcd_init(void){DDRB=0xFF; delay_ms(30);LCD_CMD(0x28); LCD_CMD(0x28); LCD_CMD(0x28);LCD_CMD(0x0C); LCD_CMD(0x06); lcd_clear();}//void make_custom_font(unsigned char addr,char *s){unsigned char i;LCD_CMD((addr<<3)|0x40);for(i=0;i<8;i++)LCD_DAT(*s++);}//char digit[11][6]={{ 8, 1, 2, 3, 4, 5},{254,255,254,254,255,254},{ 6, 6, 2,255, 7, 7},{ 6, 6, 2, 7, 7, 5},{ 3, 4,255,254,254,255},{255, 6, 6, 7, 7, 5},{ 8, 6, 6, 3, 7, 5},{ 1, 1,255,254, 8,254},{ 8, 6, 2, 3, 7, 5},{ 8, 6, 2,254,254,255},{254,254,254,254,254,254}};//void disp_no1(char no,char x,char y){char i; for(i=0;i<8;i++){ lcd_gotoxy(x+i%3,y+i/3); LCD_DAT(digit[no][i]); }}void disp_hhour(char no){if(no<9)disp_no1(10,0,0); //belse disp_no1(no/10,0,0);disp_no1(no%10,3,0);}//interrupt [TIM0_OVF] void timer0_ovf_isr(void){ // 1msif(mode){ // 시간설정 모드거나 알람설정 모드면if(tp_hour<12){ lcd_gotoxy(13,0); sprintf(str, " AM"); lcd_puts(str); }else { lcd_gotoxy(13,0); sprintf(str, " PM"); lcd_puts(str); }//if (mode==mode_time ){ lcd_gotoxy(13,1); sprintf(str, "TIM"); lcd_puts(str); }else if(mode==mode_alarm){ lcd_gotoxy(13,1); sprintf(str, "ALM"); lcd_puts(str); }//if (tp_hour>=24)hhour=0;else if(tp_hour>=13)hhour=tp_hour-12;else hhour=tp_hour;//disp_hhour(hhour);//lcd_gotoxy(6,0); LCD_DAT(165); lcd_gotoxy(6,1); LCD_DAT(165);//min_10=tp_min/10; disp_no1(min_10,7,0);min_1=tp_min%10; disp_no1(min_1,10,0);}else{ // 시간표시 모드면if(hour<12){ lcd_gotoxy(13,0); sprintf(str, " AM"); lcd_puts(str); }else { lcd_gotoxy(13,0); sprintf(str, " PM"); lcd_puts(str); }//lcd_gotoxy(13,1); sprintf(str, " %2d", sec); lcd_puts(str);//if(hour>=13)hhour=hour-12;else hhour=hour;//disp_hhour(hhour);//if(sec%2==0) {lcd_gotoxy(6,0); LCD_DAT(165); lcd_gotoxy(6,1); LCD_DAT(165);}else {lcd_gotoxy(6,0); LCD_DAT(254); lcd_gotoxy(6,1); LCD_DAT(254);}//min_10=mmin/10; disp_no1(min_10,7,0);min_1=mmin%10; disp_no1(min_1,10,0);}}//-----------------------------------------------------------interrupt [TIM1_COMPA] void timer1_compa_isr(void){ // 타이머1 매치 인터럽트 1secsec_Flg=~sec_Flg;if(++sec>59){ sec=0;if(++mmin>59){ mmin=0;if(++hour>23){ hour=0;if(++day>31){ day=1;if(++mon>12){ mon=1; if(++year>99)year=0; }}}}}////if((alrm_min=min)&&(alrm_hour==hour)){ BUZ=1; } // 알람 시간이면 부저 ON//else { BUZ=0; } // 알람 시간이 아니면 부저 OFF}//-----------------------------------------------------------interrupt [TIM2_COMP] void timer2_comp_isr(void){ // 타이머2 매치 인터럽트 9.984msif((PINC&0x0F)!=0x0F){if(!key_tp_Flg){ key_tp_Flg=1;if(!MODE_SW){ key_buf=key_Mode; key_Flg=1; }if(!HOUR_SW){ key_buf=key_Hour; key_Flg=1; }if( !MIN_SW){ key_buf=key_Min; key_Flg=1; }if(!SAVE_SW){ key_buf=key_Save; key_Flg=1; }}}else{ if(key_tp_Flg)key_tp_Flg=0; }}//-----------------------------------------------------------void main(void){int i;PORTC=0x0F; DDRC=0x30; DDRB=0x01;
댓글 0
조회수 1,896등록된 댓글이 없습니다.