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mikroSDK Library

eINK Click

Rating:

0

Author: MIKROE

Last Updated: 2024-10-31

Package Version: 2.1.0.12

mikroSDK Library: 2.0.0.0

Category: Electronic Paper Display

Downloaded: 80 times

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License: MIT license  

eINK Click is an adapter Click board™, used to interface a compatible eINK display with the host MCU.

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  • mikroSDK Library 1.0.0.0
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eINK Click

eINK Click is an adapter Click board™, used to interface a compatible eINK display with the host MCU.

eink_click_bundle20inch.png

Click Product page


Click library

  • Author : MikroE Team
  • Date : Feb 2020.
  • Type : SPI type

Software Support

We provide a library for the Eink Click as well as a demo application (example), developed using MikroElektronika compilers. The demo can run on all the main MikroElektronika development boards.

Package can be downloaded/installed directly form compilers IDE(recommended way), or downloaded from our LibStock, or found on mikroE github account.

Library Description

This library contains API for Eink Click driver.

Standard key functions :

  • eink_cfg_setup Config Object Initialization function.

    void eink_cfg_setup ( eink_cfg_t *cfg ); 
  • eink_init Initialization function.

    err_t eink_init ( eink_t *ctx, eink_cfg_t *cfg );

Example key functions :

  • eink_set_lut Set LUT table

    void eink_set_lut ( eink_t *ctx, const uint8_t *lut, uint8_t n_bytes );
  • eink_display_image Displays image

    void eink_display_image ( eink_t *ctx, const uint8_t* image_buffer );
  • eink_set_font Set text font

    void eink_set_font ( eink_t *ctx, eink200inch_font_t *cfg_font );

Examples Description

This application demonstrates the use of eINK Click board.

The demo application is composed of two sections :

Application Init

Initializes the driver and configures the Click board for 2.00 inch eINK display. After that, if the TEXT mode is supported, shows a desired text messages on the display.


void application_init ( void )
{
    eink_cfg_t cfg;   
    eink200inch_font_t cfg_font;
    eink_text_set_t text_set;

    //  Click initialization.
    eink_cfg_setup( &cfg );
    EINK_MAP_MIKROBUS( cfg, MIKROBUS_1 );
    eink_init( &eink, &cfg );

    eink_start_config( &eink );
    eink_set_lut( &eink, eink_lut_table, 90 );
    Delay_ms ( 1000 );

#ifndef IMAGE_MODE_ONLY
    cfg_font.p_font = &guiFont_Tahoma_10_Regular[ 0 ];
    cfg_font.color = EINK_SCREEN_COLOR_WHITE;
    cfg_font.orientation = EINK_FO_HORIZONTAL;  
    eink_set_font( &eink, &cfg_font );

    text_set.n_char = 4;
    text_set.text_x = 10;
    text_set.text_y = 50;
    eink_text( &eink, &demo_text[ 0 ], &text_set );
    text_set.n_char = 7;
    text_set.text_x = 10;
    text_set.text_y = 90;
    eink_text( &eink, &demo_text1[ 0 ], &text_set );
    text_set.n_char = 8;
    text_set.text_x = 10;
    text_set.text_y = 130;
    eink_text( &eink, &demo_text2[ 0 ], &text_set ); 
    Delay_ms ( 1000 );
    Delay_ms ( 1000 );
    Delay_ms ( 1000 );
    Delay_ms ( 1000 );
    Delay_ms ( 1000 );
#endif
}

Application Task

Draws two demo images to the display with a one-second delay between each drawing.


void application_task ( void )
{
    eink_display_image ( &eink, demo_image_black );
    Delay_1sec( );
    eink_display_image ( &eink, demo_image_white );
    Delay_1sec( );
}

Note

Due to insuficient RAM memory, only the IMAGE mode is supported with 8-bit PIC microcontrollers.

The full application code, and ready to use projects can be installed directly form compilers IDE(recommneded) or found on LibStock page or mikroE GitHub accaunt.

Other mikroE Libraries used in the example:

  • MikroSDK.Board
  • MikroSDK.Log
  • Click.Eink

Additional notes and informations

Depending on the development board you are using, you may need USB UART Click, USB UART 2 Click or RS232 Click to connect to your PC, for development systems with no UART to USB interface available on the board. The terminal available in all Mikroelektronika compilers, or any other terminal application of your choice, can be used to read the message.


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