資源簡介
LCD1602 STC89C52簡單的固定字符顯示,適合初學者。
代碼片段和文件信息
#include?
#include?
sbit?rs=?P2^5;
sbit?rw?=?P2^6;
sbit?ep?=?P2^7;
unsigned?char?code?dis1[]?=?{“???2010:03:20???“};
unsigned?char?code?dis2[]?=?{“?jielong?jingyu?“};
void?delay(unsigned?char?ms)
{
unsigned?char?i;
while(ms--)
???{
for(i?=?0;?i250;?i++)
{_nop_();_nop_();_nop_();_nop_();}
???}
}
bit?lcd_bz(){
bit?result;
rs?=?0;
rw?=?1;
ep?=?1;
_nop_();_nop_();_nop_();_nop_();
result?=?(bit)(P0?&?0x80); ??? //默認轉換的是第七位好.
ep?=?0;
return?result;
}
void?lcd_wcmd(unsigned?char?cmd)
{
while(lcd_bz());//判斷LCD是否忙碌?若lcd_bz為1則等待.直到為0
rs?=?0;
rw?=?0; ? //寫命令
ep?=?0; ? //以下將實現使能即e先=0;然后e=1;再e=0;
_nop_();_nop_();
P0?=?cmd;
_nop_();_nop_();_nop_();_nop_();
ep?=?1;
_nop_();_nop_();_nop_();_nop_();
ep?=?0;
}?
void?lc
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件???????5554??2010-04-07?20:36??1602fixed_number\1
?????文件???????1558??2010-04-07?20:36??1602fixed_number\1.c
?????文件????????792??2010-04-07?20:36??1602fixed_number\1.hex
?????文件?????????35??2010-04-07?20:36??1602fixed_number\1.lnp
?????文件???????3991??2010-04-07?20:36??1602fixed_number\1.LST
?????文件???????8805??2010-04-07?20:36??1602fixed_number\1.M51
?????文件???????5616??2010-04-07?20:36??1602fixed_number\1.OBJ
?????文件???????1394??2010-04-07?20:37??1602fixed_number\1.Opt
?????文件????????721??2010-04-07?20:37??1602fixed_number\1.plg
?????文件???????2141??2010-04-07?20:34??1602fixed_number\1.Uv2
?????文件???????1394??2010-04-07?20:34??1602fixed_number\1_Opt.Bak
?????文件???????2137??2010-04-07?20:26??1602fixed_number\1_Uv2.Bak
?????文件?????155372??2010-04-07?20:31??1602fixed_number\DS1302.DSN
?????文件???????1521??2010-04-07?20:38??1602fixed_number\DS1302.PWI
?????文件?????155352??2007-09-12?14:29??1602fixed_number\Last?Loaded?DS1302.DBK
?????文件??????19633??2007-09-12?14:28??1602fixed_number\LISA1.SDF
?????文件???????6376??2010-04-07?20:36??1602fixed_number\STARTUP.A51
?????文件??????10698??2010-04-07?20:36??1602fixed_number\STARTUP.LST
?????文件????????750??2010-04-07?20:36??1602fixed_number\STARTUP.OBJ
?????文件????1524550??2004-07-24?21:40??1602fixed_number\效果顯示圖.bmp.bmp
?????目錄??????????0??2010-11-26?13:16??1602fixed_number
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??????????????1908390????????????????????21
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