ADC-Test.rar_conversion_digital test

‘C’Library Routine for External LCD module Page 1

Library Routine for External LCD module

(for C Language)

1. Introduction....................................................................................................................... 2

2. Module Features ...............................................................................................................2

3. List of Component Modules............................................................................................. 3

4. Using the Library Module in a Project ............................................................................ 3

5. List of Shared Parameters ............................................................................................... 4

Shared Functions................................................................................................................4

‘C’Library Routine for External LCD module Page 2

• Selecting the interface between the LCD module and the microcontroller, i.e. whether to

• Selection for upper or lower nibble in case of 4-bit interface.

• Port selection for data transfer.

• Port and pin selection for the control signals.

• Facility to ground the R/W pin of the LCD (if read not required), which can help in saving a

‘C’Library Routine for External LCD module Page 3

3. List of Component Modules

XLCD.P18.ex.txt

This is main the test file developed to demonstrate the use of the library

XLCD.c

their project

XLCD.h

This is the header file, all functions and control ports are defined here.

6. In the Workspace view, right-click on the “Source Files” node. Select the “Add Files” option.

Select XLCD.C and click OK.

7. Now right-click on the “Linker Scripts” node and select “Add Files”. Add the appropriate linker

9. To use the module in your application, invoke the functions as needed.