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mikroSDK Library

Barcode 2 Click

Rating:

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Author: MIKROE

Last Updated: 2024-10-31

Package Version: 2.1.0.16

mikroSDK Library: 2.0.0.0

Category: Miscellaneous

Downloaded: 228 times

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License: MIT license  

Barcode 2 Click is an adapter add-on board that contains a computerized image recognition system that is compliant with a wide range of different 1D and 2D barcode protocols.

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  • mikroSDK Library 1.0.0.0
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mikroSDK Library Blog


Barcode 2 Click

Barcode 2 Click is an adapter add-on board that contains a computerized image recognition system that is compliant with a wide range of different 1D and 2D barcode protocols.

barcode2_click.png

Click Product page


Click library

  • Author : MikroE Team
  • Date : Sep 2020.
  • Type : UART GPS/GNSS type

Software Support

We provide a library for the Barcode2 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 Barcode2 Click driver.

Standard key functions :

  • Config Object Initialization function.

    void barcode2_cfg_setup ( barcode2_cfg_t *cfg );

  • Initialization function.

    BARCODE2_RETVAL barcode2_init ( barcode2_t ctx, barcode2_cfg_t cfg );

Example key functions :

  • The function enables or disables barcode scaning depending on state parametar value.

    void barcode2_enable_scaning ( barcode2_t *ctx, uint8_t en_state )

  • The general process of collecting data the module sends.

    static void barcode2_process ( void )

Examples Description

This example reads and processes data from Barcode 2 clicks.

The demo application is composed of two sections :

Application Init

Initializes the UART driver used for communication and another UART bus used for data logging.


void application_init ( void )
{
    log_cfg_t log_cfg;
    barcode2_cfg_t cfg;

    /** 
     * Logger initialization.
     * Default baud rate: 115200
     * Default log level: LOG_LEVEL_DEBUG
     * @note If USB_UART_RX and USB_UART_TX 
     * are defined as HAL_PIN_NC, you will 
     * need to define them manually for log to work. 
     * See @b LOG_MAP_USB_UART macro definition for detailed explanation.
     */
    LOG_MAP_USB_UART( log_cfg );
    log_init( &logger, &log_cfg );
    log_info( &logger, "---- Application Init ----" );

    //  Click initialization.

    barcode2_cfg_setup( &cfg );
    BARCODE2_MAP_MIKROBUS( cfg, MIKROBUS_1 );
    barcode2_init( &barcode2, &cfg );
    Delay_ms ( 100 );
}

Application Task

This is an example that demonstrates the use of the Barcode 2 Click board. First, it enables scanning and waits up to 10 seconds for the barcode to be detected. If the barcode or QR Code is detected, it displays its content to the USB UART. After that, disables scanning for 3 seconds. Results are being sent to the Usart Terminal where you can track their changes.


void application_task ( void )
{
    log_printf( &logger, "   Scanning enabled   \r\n" );
    log_printf( &logger, "------------------------\r\n" );
    barcode2_enable_scaning( &barcode2, BARCODE2_ENABLE );
    barcode2_process(  );

    barcode2_enable_scaning( &barcode2, BARCODE2_DISABLE );
    log_printf( &logger, "   Scanning disabled   \r\n" );
    log_printf( &logger, "------------------------\r\n" );
    Delay_ms ( 1000 );
    Delay_ms ( 1000 );
    Delay_ms ( 1000 );
} 

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.Barcode2

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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