problems with How to display text on 16×2 LCD using 8051 microcontroller (AT89C51) project

[nikhil]

i read and implemented the whole project …….but i m not getting the output on the lcd display…….when i debugged/compiled the program ….i got some errors-

error C202: ‘p3’: undefined identifier
error C202: ‘p0’: undefined identifier
error C202: ‘p2’: undefined identifier
error C202: ‘rs’: undefined identifier
error C202: ‘rw’: undefined identifier
error C202: ‘p0’: undefined identifier
error C202: ‘en’: undefined identifier
error C202: ‘PWM’: undefined identifier
error C202: ‘b’: undefined identifier
error C202: ‘led1’: undefined identifier
error C202: ‘led2’: undefined identifier
error C202: ‘led3’: undefined identifier
error C202: ‘led4’: undefined identifier
error C202: ‘RL1’: undefined identifier
error C202: ‘RL2’: undefined identifier
Target not created

 

so i inserted the commands

---

  #ifndef REG51_H
                                                        #define REG51_H
                                                        #include <REGX51.H>

then i got 0 errors and 0 warnings………………..

i then created the HEX file and burnt the chip using ISP 3.0 software…but i m observing no output…..

so what i m supposed to do further……………please help me………as soon as possible………..

[nikhil]

dis site is amazingggg……..i got my mistake in the connections………….sry for the forum……..thnks 4 help.!!

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