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mikroSDK Library

MOTION Click

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Author: MIKROE

Last Updated: 2024-10-31

Package Version: 2.1.0.18

mikroSDK Library: 2.0.0.0

Category: Motion

Downloaded: 494 times

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License: MIT license  

MOTION Click is a motion detector sensitive only to live bodies. It carries PIR500B, a pyroelectric sensor. The Click is designed to run on 3.3V power supply only.

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  • mikroSDK Library 1.0.0.0
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MOTION Click

MOTION Click is a motion detector sensitive only to live bodies. It carries PIR500B, a pyroelectric sensor. The Click is designed to run on 3.3V power supply only.

motion_click.png

Click Product page


Click library

  • Author : Luka Filipovic
  • Date : Nov 2019.
  • Type : GPIO type

Software Support

We provide a library for the Motion 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 Motion Click driver.

Standard key functions :

  • Config Object Initialization function.

    void motion_cfg_setup ( motion_cfg_t *cfg );

  • Initialization function.

    MOTION_RETVAL motion_init ( motion_t ctx, motion_cfg_t cfg );

  • Click Default Configuration function.

    void motion_default_cfg ( motion_t *ctx );

Example key functions :

  • Motion detected function

    motion_pin_state_t motion_detected ( motion_t *ctx );

  • Set states of the enable pin

    void motion_set_en_pin ( motion_t *ctx, motion_pin_state_t en_state );

Examples Description

This application detects any motion around it and shows message

The demo application is composed of two sections :

Application Init

Initializes Driver enable's the motion detection.


void application_init ( void )
{
    log_cfg_t log_cfg;
    motion_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 ----");
    log_printf( &logger, "------------------------\r\n" );

    //  Click initialization.

    motion_cfg_setup( &cfg );
    MOTION_MAP_MIKROBUS( cfg, MIKROBUS_1 );
    motion_init( &motion, &cfg );
    log_printf( &logger, "      Motion Click\r\n" );
    log_printf( &logger, "------------------------\r\n" );

    motion_default_cfg ( &motion );
    log_printf( &logger, "  Enable Motion sensor\r\n" );
    log_printf( &logger, "------------------------\r\n" );
    Delay_ms ( 100 );

    motion_state = MOTION_NO_DETECT;
    motion_old_state = MOTION_DETECTED;
}

Application Task

Detect the motion and send a notification to the UART.


void application_task ( void )
{
    //  Task implementation.

    motion_state = motion_detected( &motion );

    if ( motion_state == MOTION_DETECTED &&  motion_old_state == MOTION_NO_DETECT )
    {
        motion_old_state = MOTION_DETECTED;
        log_printf( &logger, "  > Motion detected! <\r\n" );
        log_printf( &logger, "------------------------\r\n" );
   }

   if ( motion_old_state == MOTION_DETECTED &  motion_state == MOTION_NO_DETECT )
   {
        log_printf( &logger, "  There is no movement\r\n" );
        log_printf( &logger, "------------------------\r\n" );
        motion_old_state = MOTION_NO_DETECT;
   }
}  

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.Motion

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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