以DS1302 和1602设计电子钟实验报告.doc

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Keil C与Proteus连接调试

电子钟的设计一、实验目的以 DS1302 实时时钟芯片和液晶显示屏 LCD1602 为基础设计一个电子钟二、实验要求用 PROTEUS 画出原理图和 PCB 图，并完成下列任务： ⑴ 时间和日期可调整，按键采用 3 个按键 ⑵ 在 Proteus 上调试通过三、实验内容源代码 #include #include #include "da1302.h" #include "lcd1602.h" #include "key.h" 1

unsigned char keytemp; unsigned char hourf,minutef; void Init_Com(void) { } TMOD = 0x20; PCON = 0x00; SCON = 0x50; TH1 = 0xFd; TL1 = 0xFd; TR1 = 1; SYSTEMTIME CurrentTime; void main(void) { uchar time[8]={0x00,0x00,0x20,0x08,0x08,0x05,0x08,0x00}; //1302 的时间预设值 LCD_initial(); Initial_DS1302(); set_time(time); while(1) 2

{ unsigned char week; /* DS1302_GetTime(&CurrentTime); DateToStr(&CurrentTime); TimeToStr(&CurrentTime); LCD_set_position(0x06); LCD_prints(CurrentTime.DateString); LCD_set_position(0x46); LCD_prints(CurrentTime.TimeString); */ Initial_DS1302(); DS1302_GetTime(&CurrentTime); if((CurrentTime.Hour==7)&&(CurrentTime.Minute==15)&&(CurrentTime.Second==0)) LCD_initial(); LCD_set_position(0x00); { } week=CurrentTime.Week+'0'; Delay1ms(1); DateToStr(&CurrentTime); 3

TimeToStr(&CurrentTime); LCD_set_position(0x02); LCD_prints(CurrentTime.DateString); LCD_set_position(0x42); LCD_prints(CurrentTime.TimeString); LCD_set_position(0x4c); LCD_printc(week); Delay1ms(100); } } /*-------------------------------------------------------------------------- AT89X52.H Header file for the low voltage Flash Atmel AT89C52 and AT89LV52. Copyright (c) 1988-2002 Keil Elektronik GmbH and Keil Software, Inc. All rights reserved. --------------------------------------------------------------------------*/ #ifndef __AT89X52_H__ #define __AT89X52_H__ /*------------------------------------------------ Byte Registers ------------------------------------------------*/ sfr P0 = 0x80; 4

sfr SP = 0x81; sfr DPL = 0x82; sfr DPH = 0x83; sfr PCON = 0x87; sfr TCON = 0x88; sfr TMOD = 0x89; sfr TL0 = 0x8A; sfr TL1 = 0x8B; sfr TH0 = 0x8C; sfr TH1 = 0x8D; sfr P1 = 0x90; sfr SCON = 0x98; sfr SBUF = 0x99; sfr P2 = 0xA0; sfr IE = 0xA8; sfr P3 = 0xB0; sfr IP = 0xB8; sfr T2CON = 0xC8; sfr T2MOD = 0xC9; sfr RCAP2L = 0xCA; sfr RCAP2H = 0xCB; sfr TL2 = 0xCC; sfr TH2 = 0xCD; sfr PSW = 0xD0; sfr ACC = 0xE0; 5

sfr B = 0xF0; /*------------------------------------------------ P0 Bit Registers ------------------------------------------------*/ sbit P0_0 = 0x80; sbit P0_1 = 0x81; sbit P0_2 = 0x82; sbit P0_3 = 0x83; sbit P0_4 = 0x84; sbit P0_5 = 0x85; sbit P0_6 = 0x86; sbit P0_7 = 0x87; /*------------------------------------------------ PCON Bit Values ------------------------------------------------*/ #define IDL_ 0x01 #define STOP_ 0x02 #define PD_ 0x02 /* Alternate definition */ #define GF0_ 0x04 #define GF1_ 0x08 #define SMOD_ 0x80 6

/*------------------------------------------------ TCON Bit Registers ------------------------------------------------*/ sbit IT0 = 0x88; sbit IE0 = 0x89; sbit IT1 = 0x8A; sbit IE1 = 0x8B; sbit TR0 = 0x8C; sbit TF0 = 0x8D; sbit TR1 = 0x8E; sbit TF1 = 0x8F; /*------------------------------------------------ TMOD Bit Values ------------------------------------------------*/ #define T0_M0_ 0x01 #define T0_M1_ 0x02 #define T0_CT_ 0x04 #define T0_GATE_ 0x08 #define T1_M0_ 0x10 #define T1_M1_ 0x20 #define T1_CT_ 0x40 #define T1_GATE_ 0x80 7

#define T1_MASK_ 0xF0 #define T0_MASK_ 0x0F /*------------------------------------------------ P1 Bit Registers ------------------------------------------------*/ sbit P1_0 = 0x90; sbit P1_1 = 0x91; sbit P1_2 = 0x92; sbit P1_3 = 0x93; sbit P1_4 = 0x94; sbit P1_5 = 0x95; sbit P1_6 = 0x96; sbit P1_7 = 0x97; sbit T2 = 0x90; /* External input to Timer/Counter 2, clock out */ sbit T2EX = 0x91; /* Timer/Counter 2 capture/reload trigger & dir ctl */ /*------------------------------------------------ SCON Bit Registers ------------------------------------------------*/ sbit RI = 0x98; sbit TI = 0x99; sbit RB8 = 0x9A; sbit TB8 = 0x9B; 8

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