40
Programming the LCM
Appendix C
Network Application Platforms
Appendix C:
Programming the LCM
The LCD panel module (LCM) is designed to provide real-
time operating status and configuration information for
the system. For sample LCM code, see
LCM
foler on the
Driver and Manual CD
. The driver and the program library
can also be found in the folder.
LCM & KeyPad Function Libary For Linux
File: LLCM1
Copy LCM1.O to your make tool directory.
Ex. if your test program file name is ‘LLCM2
Compile: ‘gcc LLCM1 -o LLCM2 LLCM2.c’
then switch to a root account to run ./LLCM2 for
excution.
Function:
Clear_LCM();
=>This Function is Clear the LCD Module.
=>Direct write the function to your program.
Read_KeyPad();
=>This Function get the KeyPad number if user pressed
key.
=>Direct write function to your program.
Ex.
int a;
a=Read_KeyPad();
Return Value: “1”=>The Upper Key
“2”=>The Down Key
“3”=>The Enter Key
“4”=>The ESC Key
3.Show_Data(int
Dp_Type1,int
Dp_Type2,int
Dp_Type3,int Dp_Type4, char *Showdata1, char
*Showdata2);
=>Show string Function.
=>Dp_type1 => Entry Mode Set
=>Dp_type2 => Display On/Off
=>Dp_type3 => Shift
=>Dp_type4 => Set Function
Please refer the Data Sheet about LCM and Use Decimal
to input
=>Showdata1 & Showdata2 are the strings that you
want to show.
=>Showdata1 Shown on Line1 Limited between 20
Character
=>Showdata2 Shown on Line2 Limited between 20
Character
Ex.
Show_data(0,15,0,56,”1234”,”5678”);