AXIOMTEK AX93304 User Manual Download Page 5

AX93304  User

’s  Manual   

Overview

 

 

1

 

 

Chapter 1 

 

Overview 

 

1.1 

Scope 

 

The  AX93304  LCM  module  is  developed  by  AXIOMTEK  CO.,  LTD..

 

It  is  used  for  message 

display  which  can  be  programmed  to  display  certain  messages  through  function  code.  The 

LCD screen of the LCM supports 2x16 character display.   
 
 

1.2 

Concept 

 
The host system can communicate with AX93304 LCM module. It can decode commands and 
then trigger the  LCM  in order to show string and  do  function  enabling through this  way. The 
LCM comes with four key buttons and can pass back the value of function key to COM port for 
functionality. 

Summary of Contents for AX93304

Page 1: ...AX93304 User s Manual...

Page 2: ...sefulness of any information in this document Axiomtek does not make any commitment to update the information in this manual Axiomtek reserves the right to change or revise this document and or produc...

Page 3: ...n unpainted portion of the system unit chassis for a few seconds It discharges static electricity from your body Wear a wrist grounding strap available from most electronic component stores when handl...

Page 4: ...Chapter 1 Overview 1 1 1 Scope 1 1 2 Concept 1 Chapter 2 LCM Function specification 3 2 1 System Information 3 2 2 Data transaction method 3 2 3 AX93304 Function Command 3 2 4 Data transaction patter...

Page 5: ...tain messages through function code The LCD screen of the LCM supports 2x16 character display 1 2 Concept The host system can communicate with AX93304 LCM module It can decode commands and then trigge...

Page 6: ...AX93304 User s manual 2 Overview This page is intentionally left blank...

Page 7: ...pressing status a read key command can be issued to this module which will check the key pressing status and reply accordingly The following are the commands which we can provide 1 Backlight Control...

Page 8: ...Line 1 Character Location addressing Character Location addressing 1 00 9 08 2 01 10 09 3 02 11 0A 4 03 12 0B 5 04 13 0C 6 05 14 0D 7 06 15 0E 8 07 16 0F Line 2 Character Location addressing Character...

Page 9: ...s Stop bits Prty Parity bit int _init_com int ccom unsigned long baud int D_bits int S_bits int Prty _Tx_data char txd Send character to LCM API function Pass character to LCM int _Tx_data char txd AX...

Page 10: ...AX93304 User s manual 6 LCM Function specification This page is intentionally left blank...

Page 11: ...ogram file control Linux Kernel 2 4 2 6 Sample code lcm c Call API Library lib93304 so Control LCM FUNCTION KEY Control API Library lib93304 so Call LCM Sample code lcm c Steps File 93304v2 bsp user x...

Page 12: ...AX93304 User s manual 8 Control Procedure 3 1 LCM Font Table English font type with Arabic numerals is the same with ASCII code However the rule does not include another special character...

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