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mikroSDK Library

Keylock Click

Rating:

0

Author: MIKROE

Last Updated: 2024-10-31

Package Version: 2.1.0.16

mikroSDK Library: 2.0.0.0

Category: Pushbutton/Switches

Downloaded: 245 times

Not followed.

License: MIT license  

Keylock Click carries a processed sealed key lock mechanism that can be set in three different positions. The Click is designed to run on either 3.3V or 5V power supply.

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  • mikroSDK Library 1.0.0.0
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Keylock Click

Keylock Click carries a processed sealed key lock mechanism that can be set in three different positions. The Click is designed to run on either 3.3V or 5V power supply.

keylock_click.png

Click Product page


Click library

  • Author : MikroE Team
  • Date : Dec 2019.
  • Type : GPIO type

Software Support

We provide a library for the Keylock 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 Keylock Click driver.

Standard key functions :

  • Config Object Initialization function.

    void keylock_cfg_setup ( keylock_cfg_t *cfg );

  • Initialization function.

    KEYLOCK_RETVAL keylock_init ( keylock_t ctx, keylock_cfg_t cfg );

Example key functions :

  • Checks pin state.

    uint8_t keylock_check_pin ( keylock_t *ctx, uint8_t pin );

  • Gets key position.

    uint8_t keylock_get_position ( keylock_t *ctx );

Examples Description

This application monitors key position in its lock mechanism.

The demo application is composed of two sections :

Application Init

Initialization driver enables GPIO and also writes log.


void application_init ( void )
{
    log_cfg_t log_cfg;
    keylock_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.

    keylock_cfg_setup( &cfg );
    KEYLOCK_MAP_MIKROBUS( cfg, MIKROBUS_1 );
    keylock_init( &keylock, &cfg );
    Delay_ms ( 100 );
    log_printf( &logger, "--------------- \r\n" );
    log_printf( &logger, " Keylock Click \r\n" );
    log_printf( &logger, "--------------- \r\n" );
}

Application Task

Detects the position in which the key currently is. Results are being sent to the Terminal, where you can track changes.


void application_task ( void )
{
    uint8_t new_state;
    uint8_t old_state = 0;

    new_state = keylock_get_position( &keylock );

    if ( old_state != new_state )
    {
        if ( new_state == KEYLOCK_KEY_POS_1 )
        {
            log_printf( &logger, " Position ONE \r\n" );
        }
        else if ( new_state == KEYLOCK_KEY_POS_2 )
        {
            log_printf( &logger, " Position TWO \r\n" );
        }
        else if ( new_state == KEYLOCK_KEY_POS_3 )
        {
            log_printf( &logger, " Position THREE \r\n" );
        }
        else
        {
            log_printf( &logger, " ERROR!!! \r\n" );
        }
    old_state = new_state;
    log_printf( &logger, "---------------- \r\n" );
    }

    Delay_ms ( 500 );
}  

Note

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.Keylock

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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