http://www.8051projects.net/ Learn to make simple microcontroller projects, pic, 8051, avr and arm projects. download 8051 projects, tutorials, libraries, sample codes. join the microcontroller discussion forum and ask doubts regarding electronics. the best source for 8051 over internet. en-gb 2009-01-08T05:34:41-08:00 contact@nospam.com hourly 1 2000-01-01T12:00+00:00 http://www.8051projects.net/forum-t1146.html 2009-01-08T05:34:41-08:00 hey guys,i m not able to use the lcd addon for keil.i have installed it properly and even the option in the peripherals option is visible.but i m not able simulate it.i have tried different configurations.is there some configuration error or something else? http://www.8051projects.net/forum-t1146.html 2009-01-08T05:34:41-08:00 Ajay you first need to add an LCD module and then.. do step by step execution, it will show you the commands you send etc.. it help you analyze the programming is ok or not. http://www.8051projects.net/forum-t1146.html 2009-01-08T05:34:41-08:00 kunal i have installed it correctly.what shall i write in the configuration box?and i am using a special header for lcd, hope that is not a problem.it is in 4-bit mode.pls help its urgent.can u show a demo or a complete step by step procedure with an example code.....that will surely solve my problem... http://www.8051projects.net/forum-t1146.html 2009-01-08T05:34:41-08:00 Ajay well.. download the all in one LCD library as example for LCD. configure the port you are going to use..after that...when you debug...--1. right click and add LCD.2. select the make.. simple to select3. set the ports you are using.. in the boxes.. set them as.. D:0x... some number the port you are using for LCD. e.g if you are using P0 then you can set as. D:0x80 etc.there is a yellow '?' button is there.. to help you out.4. start debugging.Note: it has only 4-bit interface.. not 8-bit ----hope this helps you http://www.8051projects.net/forum-t1146.html 2009-01-08T05:34:41-08:00 kunal i downloaded d library...n i added the foll progvoid main(){lcd_init();disp_str ("hello");while(1);}still not working.....have you personally tested this addon ?i have been working with a lcd header very ofteni need this simulator badly....please helpdo you have any messenger id.....n at wat time wil u b der http://www.8051projects.net/forum-t1146.html 2009-01-08T05:34:41-08:00 Ajay its working for me.. please make sure you set the ports.. correctly.. and of course the coding.. that does matter...!!here is the screen-shot for 8-bit LCD Simulation4-bit LCD simulation Screen-shot: http://www.8051projects.net/forum-t1146.html 2009-01-08T05:34:41-08:00 kunal hey i trust you dude......but its not working with mepls chk the sample program........is it ok? http://www.8051projects.net/forum-t1146.html 2009-01-08T05:34:41-08:00 Ajay actually it will be better if you write program in your own way. i give you steps..!send first init value - 0x30send second init value - 0x30send third init value - 0x30Set the data width - 0x20then send function set - 0x28after that other commands.after that it will give you the desired results just want to say.. check coding http://www.8051projects.net/forum-t1146.html 2009-01-08T05:34:41-08:00 Ajay darshini wrote ...i need a LCD simulator..help!!!sure i am here to help.. what is the problem? http://www.8051projects.net/forum-t1146.html 2009-01-08T05:34:41-08:00 darshini i need a LCD simulator..help!!! http://www.8051projects.net/forum-t1146.html 2009-01-08T05:34:41-08:00 Ma7amed How to get lcd in 8-bits in Keil ???? http://www.8051projects.net/forum-t1146.html 2009-01-08T05:34:41-08:00 Ajay its not free to use.. so u can only use 4-bit.. http://www.8051projects.net/forum-t1146.html 2009-01-08T05:34:41-08:00 Ma7amed where can i buy a full version of keil ?? when i buy it i have to buy the lcd simulator too (8-bit) ???Is the real (Physical) LCD have to be initiallized with ( 30 H) 3 times ??? http://www.8051projects.net/forum-t1146.html 2009-01-08T05:34:41-08:00 snehasish hey ajay,Can i get the 8-bit lcd addon for keil?i require it for my project? http://www.8051projects.net/forum-t1146.html 2009-01-08T05:34:41-08:00 Ajay 8-bit LCD is not available for free.visit www.c51.de for more information http://www.8051projects.net/forum-t1146.html 2009-01-08T05:34:41-08:00 snehasish i went to the site u mentioned but couldn't find anywhere like if that 8-bit lcd was for sale?????????? i want to buy that 8-bit lcd ..........can u give me some more information like where can i buy that? http://www.8051projects.net/forum-t1146.html 2009-01-08T05:34:41-08:00 Ajay I really do not have any idea about that. Try mailing them. maybe you get some info. http://www.8051projects.net/forum-t1146.html 2009-01-08T05:34:41-08:00 Le Do Nam Binh can you please help (keil)#include<at89x51.h> #include <lcd.h>void main(void){wrt_value(8);while(1) ; }Build target 'Target 1'compiling lcd1.c...linking...*** WARNING L1: UNRESOLVED EXTERNAL SYMBOLSYMBOL: _WRT_VALUEMODULE: lcd1.obj (LCD1)*** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNALSYMBOL: _WRT_VALUEMODULE: lcd1.obj (LCD1)ADDRESS: 0012HProgram Size: data=9.0 xdata=0 code=22creating hex file from "lcd"..."lcd" - 0 Error(s), 2 Warning(s). Thanks http://www.8051projects.net/forum-t1146.html 2009-01-08T05:34:41-08:00 Ajay wrt_value is not defined anywhere in the program, thats why you are getting that error.