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mikroSDK Library

Timer Relay Click

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Author: MIKROE

Last Updated: 2024-10-31

Package Version: 2.1.0.8

mikroSDK Library: 2.0.0.0

Category: Relay

Downloaded: 172 times

Not followed.

License: MIT license  

Timer Relay Click is a compact add-on board that allows you to control the load with a timer. This board features the NE5555, a precision timer from Diodes Incorporated. It is a precision timing circuit capable of producing accurate time delays in a monostable mode of operation.

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mikroSDK Library Blog


Timer Relay Click

Timer Relay Click is a compact add-on board that allows you to control the load with a timer. This board features the NE5555, a precision timer from Diodes Incorporated. It is a precision timing circuit capable of producing accurate time delays in a monostable mode of operation.

timerrelay_click.png

Click Product page


Click library

  • Author : Stefan Ilic
  • Date : Jun 2023.
  • Type : SPI type

Software Support

We provide a library for the Timer Relay 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 Timer Relay Click driver.

Standard key functions :

  • timerrelay_cfg_setup Config Object Initialization function.

    void timerrelay_cfg_setup ( timerrelay_cfg_t *cfg );
  • timerrelay_init Initialization function.

    err_t timerrelay_init ( timerrelay_t *ctx, timerrelay_cfg_t *cfg );
  • timerrelay_default_cfg Click Default Configuration function.

    err_t timerrelay_default_cfg ( timerrelay_t *ctx );

Example key functions :

  • timerrelay_set_wiper_pos Timer Relay set wiper position function.

    err_t timerrelay_set_wiper_pos ( timerrelay_t *ctx, uint8_t wiper_pos );
  • timerrelay_activate_reset Timer Relay reset timer function.

    void timerrelay_activate_reset ( timerrelay_t *ctx );
  • timerrelay_activate_trigger Timer Relay activate trigger function.

    void timerrelay_activate_trigger ( timerrelay_t *ctx );

Example Description

This example demonstrates the use of the Timer Relay Click board by setting the relay timer to 2 seconds ON time, then holding it OFF for 2 more seconds.

The demo application is composed of two sections :

Application Init

Initializes the driver and performs the Click default configuration, then setting the ON time to 2 seconds.


void application_init ( void )
{
    log_cfg_t log_cfg;  /**< Logger config object. */
    timerrelay_cfg_t timerrelay_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.
    timerrelay_cfg_setup( &timerrelay_cfg );
    TIMERRELAY_MAP_MIKROBUS( timerrelay_cfg, MIKROBUS_1 );
    if ( SPI_MASTER_ERROR == timerrelay_init( &timerrelay, &timerrelay_cfg ) )
    {
        log_error( &logger, " Communication init." );
        for ( ; ; );
    }

    if ( TIMERRELAY_ERROR == timerrelay_default_cfg ( &timerrelay ) )
    {
        log_error( &logger, " Default configuration." );
        for ( ; ; );
    }

    if ( TIMERRELAY_ERROR == timerrelay_set_delay( &timerrelay, 2 ) )
    {
        log_error( &logger, " Value configuration." );
        for ( ; ; );
    }

    timerrelay_activate_reset( &timerrelay );

    log_info( &logger, " Application Task " );
}

Application Task

This example is activating the trigger every 4 seconds activating the relay timer.

void application_task ( void )
{
    timerrelay_activate_trigger( &timerrelay );
    log_printf( &logger, " Trigger activated. \r\n" );
    Delay_ms ( 1000 );
    Delay_ms ( 1000 );
    Delay_ms ( 1000 );
    Delay_ms ( 1000 );
}

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.TimerRelay

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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