Graphic LCD

Graphic LCD Overview

  • This is the grahic lcd implementation with fixed size of user initialization.

  • The main buffer structure variable and the internal data buffer both should be declared on the application side and the pointers of the variables are used in the module.

Usage

  1. All API functions have the first argument as the buffer instance.

  2. Internal data buffer size and pointer are initialized with module init function.

  3. Graphic LCD Module writes LCD string data.

  4. Return codes of API functions are defined in header file.

Grpahic LCD calls

Function

Description

rs_graphic_lcd_open

Function to open the graphic lcd

rs_graphic_lcd_process

Function to process the graphic lcd

rs_graphic_lcd_write_string

Function to process the lcd string

Using these ‘rs’ calls to initialize the graphic lcd and process the lcd data string.

Error Code

  • Every API’s for the graphic LCD module returns some success or failure values. Please refer below section,

Graphic LCD Header Details

Documentation from the relevant header as follows:

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