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mikroSDK Library

Barcode 2 click

Rating:

5

Author: MIKROE

Last Updated: 2020-09-24

Package Version: 1.0.0.0

mikroSDK Library: 1.0.0.0

Category: Miscellaneous

Downloaded: 3075 times

Not followed.

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 2.0.0.0
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mikroSDK Library Blog

Barcode 2 Click

Barcode 2 Click

Native view of the Barcode 2 Click board.

View full image
Barcode 2 Click

Barcode 2 Click

Front and back view of the Barcode 2 Click board.

View full image

Library Description

The library covers all the necessary functions to control Barcode 2 Click board. A library performs the communication with the device via UART interface.

Key functions:

  • uint8_t barcode2_read_byte( ) - Read Single Byte.
  • void barcode2_enable_scaning ( uint8_t en_state ) - Enable scaning function.
  • void barcode2_enable_reset ( uint8_t en_state ) - Enable reset function.

Examples description

The application is composed of three sections :

  • System Initialization - Initializes UART used for communication and another UART bus used for data logging.
  • Application Initialization - Initializes UART driver.
  • Application Task - (code snippet) - This is an example that demonstrates the use of the Barcode 2 Click board. Barcode 2 Click starts scanning every 2 seconds. When the barcode is detected, program enters interrupt routine and displays a scanned barcode or QRcode data. Then disables scanning also in an interval of 2 seconds. Results are being sent to the Usart Terminal where you can track their changes.
void application_task ( )
{
    mikrobus_logWrite( "---------------------", _LOG_LINE );
    mikrobus_logWrite( "    Scan barcodes:   ", _LOG_LINE );
    barcode2_enable_scaning( BARCODE2_ENABLE );
    Delay_ms( 2000 );

    mikrobus_logWrite( "", _LOG_LINE );
    mikrobus_logWrite( "---------------------", _LOG_LINE );
    mikrobus_logWrite( "   Scanning is off   ", _LOG_LINE );
    barcode2_enable_scaning( BARCODE2_DISABLE );
    Delay_ms( 2000 );
}

Other mikroE Libraries used in the example:

  • UART
  • Conversions

Additional notes and informations

Depending on the development board you are using, you may need USB UART clickUSB 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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