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1602液晶显示数字 51 单片机1602 液晶显示数字

2020-07-23知识14

求一个1602液晶显示最简单的汇编程序(在屏上显示一个数字就行了,过程完整)51单片机 DQ BIT P3.4 RS EQU P0.0 RW EQU P0.1 E EQU P0.2 IO_LCD EQU P2 BITCNT DATA 30H 。LCD1602如何显示变化的数字或字符? 下面是一个用AT89S52做的LCD1602显示的电子钟,可以调时间!includedefine uchar unsigned chardefine uint unsigned intsbit rs=P2^0;sbit rw=P2^1;sbit ep=P2^2;sbit k1=P1^0;时,分选择键sbit k2=P1^1;加sbit k3=P1^2;减char i,j,shi,fen,miao;uchar num,count,con;uchar SJ[]={0x08,0x0f,0x12,0x0f,0x0a,0x1f,0x02,0x02,/年0x0f,0x09,0x0f,0x09,0x0f,0x09,0x0b,0x11,/月0x0f,0x09,0x09,0x0f,0x09,0x09,0x0f,0x00/日};uchar code table1[]={'2','0','1','0','-','1','1','-','0','4',' ',' ','T','H','U'};uchar code table2[]=\"00:00 00;uchar code table3[]=\"15899576222;void lcd_com(ucharcom);void jia();void jian();void keyscan();void lcd_date(uchar date);void lcd_init();void lcd_sfm(uchar add,uchar date);void delay(uint t){uint i,j;for(i=0;i;i+)for(j=0;j;j+)}void lcd_com(ucharcom){rs=0;rw=0;ep=0;P0=com;delay(1);ep=1;delay(1);ep=0;}void jia()/时钟加子函数{if(k2=0)/加键{delay(50);if(k2=0){while。k2);if(con=1){miao+;if(miao=60)miao=0;lcd_sfm(10,miao);lcd_com(0x80+0x40+11);}if(con=2){fen+;。51 单片机1602 液晶显示数字 1602显示要转换为ANSI码如:1602液晶要显示数字5-把0x35送1602的显示RAM(因为数字5的ANSI码是0x35)1602液晶显示的单片机为什么屏幕亮但不显示数字 很可能是硬件问题,即接线错误,特别是这个模块电源引脚左右对称,插反了数据和控制信号全错,但背光灯仍可正常点亮另外要调一调对比电位器看一看1602液晶显示的单片机为什么屏幕亮但不显示数字 你所说的屏幕亮应该是屏幕的上一行显示全黑方块。如果是这样的话,证明你的LCD驱动程序有问题或是初始化不对。能看到黑快证明对比度电压正常。屏幕亮只是说明LCD上电了而已。求一个1602液晶显示最简单的汇编程序(在屏上显示一个数字就行了,过程完整) 51单片机DQ BIT P3.4RS EQU P0.0RW EQU P0.1E EQU P0.2IO_LCD EQU P2BITCNT DATA 30HBYTECNT DATA 31HCOMMAND DATA 32Hmain:acall START_LCD;初始化lcdMOV COMMAND,#0C1H;设定地址ACALL BUSYACALL WRITE_LCD_COMMANDMOV COMMAND,#\"0;显示字符ACALL BUSYACALL WRITE_LCD_DATAajmp$BUSY:CLR RSSETB RWMOV IO_LCD,#0FFHCLR ENOPNOPSETB ENOPNOPJB IO_LCD.7,BUSYCLR ERETSTART_LCD:ACALL REATY_15MSMOV COMMAND,#38HACALL WRITE_LCD_COMMANDACALL REATY_5MSMOV COMMAND,#38HACALL WRITE_LCD_COMMANDACALL REATY_5MSMOV COMMAND,#38HACALL WRITE_LCD_COMMANDMOV COMMAND,#38HACALL WRITE_LCD_COMMANDMOV COMMAND,#00001000B;显示关闭ACALL BUSYACALL WRITE_LCD_COMMANDMOV COMMAND,#00000001B;显示清屏ACALL BUSYACALL WRITE_LCD_COMMANDMOV COMMAND,#00000100B;移动光标设置ACALL BUSYACALL WRITE_LCD_COMMANDMOV COMMAND,#00001100B;显示开关及光标设置ACALL BUSYACALL WRITE_LCD_COMMANDRETWRITE_LCD_COMMAND:CLR RSCLR RWMOV IO_LCD,COMMANDNOPNOPSETB ENOPNOPCLR ENOPNOPRETWRITE_LCD_DATA:SETB RS。

#单片机#lcd1602#液晶显示#1602字符液晶

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