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mikroSDK Library

RFID 2 Click

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0

Author: MIKROE

Last Updated: 2024-10-31

Package Version: 2.1.0.15

mikroSDK Library: 2.0.0.0

Category: RFID/NFC

Downloaded: 244 times

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License: MIT license  

RFID 2 Click is a compact add-on board that contains a stand-alone RFID reader with a built-in antenna easy-to-use for embedded applications. This board features the ID-12LA-SA, an advanced low-cost RFID reader module usable with 38 different tags from ID Innovations.

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  • mikroSDK Library 1.0.0.0
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mikroSDK Library Blog


RFID 2 Click

RFID 2 Click is a compact add-on board that contains a stand-alone RFID reader with a built-in antenna easy-to-use for embedded applications. This board features the ID-12LA-SA, an advanced low-cost RFID reader module usable with 38 different tags from ID Innovations.

rfid2_click.png

Click Product page


Click library

  • Author : Jelena Milosavljevic
  • Date : Aug 2021.
  • Type : UART type

Software Support

We provide a library for the RFID2 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 from NECTO Studio Package Manager(recommended way), downloaded from our LibStock™ or found on Mikroe github account.

Library Description

This library contains API for RFID2 Click driver.

Standard key functions :

  • rfid2_cfg_setup Config Object Initialization function.

    void rfid2_cfg_setup ( rfid2_cfg_t *cfg );
  • rfid2_init Initialization function.

    err_t rfid2_init ( rfid2_t *ctx, rfid2_cfg_t *cfg );

Example key functions :

  • rfid2_generic_write This function writes a desired number of data bytes by using UART serial interface.

    err_t rfid2_generic_write ( rfid2_t *ctx, char *data_buf, uint16_t len );
  • rfid2_generic_read This function reads a desired number of data bytes by using UART serial interface.

    err_t rfid2_generic_read ( rfid2_t *ctx, char *data_buf, uint16_t max_len );
  • rfid2_reset This function resets the chip.

    void rfid2_reset( rfid2_t *ctx );

Example Description

This example reads and processes data from RFID 2 clicks.

The demo application is composed of two sections :

Application Init

Initializes UART module and sets RST pin as OUTPUT and INT pin as INPUT. Also, initializes Driver init and reset chip.


void application_init ( void ) {
    log_cfg_t log_cfg;      /**< Logger config object. */
    rfid2_cfg_t rfid2_cfg;  /**< Click config object. */

    /** 
     * 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.
    rfid2_cfg_setup( &rfid2_cfg );
    RFID2_MAP_MIKROBUS( rfid2_cfg, MIKROBUS_1 );
    err_t init_flag  = rfid2_init( &rfid2, &rfid2_cfg );
    if ( UART_ERROR == init_flag ) {
        log_error( &logger, " Application Init Error. " );
        log_info( &logger, " Please, run program again... " );

        for ( ; ; );
    }
    Delay_ms ( 100 );
    rfid2_reset( &rfid2 );
    Delay_ms ( 100 );

    app_buf_len = 0;
    app_buf_cnt = 0;
    log_info( &logger, " Application Task " );
    log_printf( &logger, "*** Please, put your ID card.***\r\n" );
    log_printf( &logger, "*** ID card :\r\n" );
}

Application Task

Reads the ID card (HEX) and logs data on the USBUART-a.


void application_task ( void ) {
    app_buf_len = rfid2_generic_read( &rfid2, app_buf, PROCESS_BUFFER_SIZE );

    if ( app_buf_len > 0 ) {
        log_printf( &logger, "%s", app_buf );
        memset( app_buf, 0, PROCESS_BUFFER_SIZE );    
    }
}

The full application code, and ready to use projects can be installed directly from NECTO Studio Package Manager(recommended way), downloaded from our LibStock™ or found on Mikroe github account.

Other Mikroe Libraries used in the example:

  • MikroSDK.Board
  • MikroSDK.Log
  • Click.RFID2

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. UART terminal is available in all MikroElektronika compilers.


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