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mikroSDK Library

Thermostat 2 Click

Rating:

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Author: MIKROE

Last Updated: 2024-10-31

Package Version: 2.1.0.9

mikroSDK Library: 2.0.0.0

Category: Temperature & humidity

Downloaded: 176 times

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License: MIT license  

Thermostat 2 Click is a general-purpose thermostat Click board™ designed to be used with any temperature sensor based on the DS1820 sensor design: 3-pin package with 1-Wire® communication interface

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  • mikroSDK Library 1.0.0.0
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mikroSDK Library Blog


Thermostat 2 Click

Thermostat 2 Click is a general-purpose thermostat Click board™ designed to be used with any temperature sensor based on the DS1820 sensor design: 3-pin package with 1-Wire® communication interface.

thermostat2_click.png

Click Product page


Click library

  • Author : Aleksandra Cvjeticanin
  • Date : Mar 2022.
  • Type : One Wire type

Software Support

We provide a library for the Thermostat 2 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 Thermostat 2 Click driver.

Standard key functions :

  • thermostat2_cfg_setup Config Object Initialization function.

    void thermostat2_cfg_setup ( thermostat2_cfg_t *cfg );
  • thermostat2_init Initialization function.

    err_t thermostat2_init ( thermostat2_t *ctx, thermostat2_cfg_t *cfg );
  • thermostat2_default_cfg Click Default Configuration function.

    err_t thermostat2_default_cfg ( thermostat2_t *ctx );

Example key functions :

  • thermostat2_read_temperature This function reads the temperature value in Celsius.

    err_t thermostat2_read_temperature ( thermostat2_t *ctx, float *temperature ); 
  • thermostat2_relay_state This function turns the relay on/off.

    void thermostat2_relay_state ( thermostat2_t *ctx, uint8_t state );

Example Description

This example demonstrates the use of Thermostat 2 Click board by reading and displaying the temperature in Celsius and turning the relay on/off depending on the temperature value. DS1820, DS18S20 and DS18B20 chips can be used in this example.

The demo application is composed of two sections :

Application Init

Initializes the driver and performs the Click default configuration.


void application_init ( void ) 
{
    log_cfg_t log_cfg;  /**< Logger config object. */
    thermostat2_cfg_t thermostat2_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.
    thermostat2_cfg_setup( &thermostat2_cfg );
    THERMOSTAT2_MAP_MIKROBUS( thermostat2_cfg, MIKROBUS_1 );
    if ( ONE_WIRE_ERROR == thermostat2_init( &thermostat2, &thermostat2_cfg ) ) 
    {
        log_error( &logger, " Communication init." );
        for ( ; ; );
    }

    if ( THERMOSTAT2_ERROR == thermostat2_default_cfg ( &thermostat2 ) )
    {
        log_error( &logger, " Default config." );
        for ( ; ; );
    }

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

Application Task

Reads and displays the temperature measured by the Click board on the UART Terminal. If the temperature goes beneath the THERMOSTAT2_TEMPERATURE_LIMIT, the relay will be turned off while otherwise it will be turned on. In both cases an appropriate message will be displayed on the terminal.

void application_task ( void ) 
{
    static uint8_t relay_state = 0xFF;
    float temperature;

    if ( THERMOSTAT2_OK == thermostat2_read_temperature ( &thermostat2, &temperature ) )
    {
        log_printf( &logger, " Temperature: %.2f C\r\n\n ", temperature );
    }

    if ( temperature < THERMOSTAT2_TEMPERATURE_LIMIT )
    {
        if ( relay_state != THERMOSTAT2_RELAY_ON )
        {
            log_info( &logger, " Relay is ON.\r\n " );
            thermostat2_relay_state ( &thermostat2, THERMOSTAT2_RELAY_ON );
            relay_state = THERMOSTAT2_RELAY_ON;
        }
    }
    else 
    {
        if ( relay_state != THERMOSTAT2_RELAY_OFF )
        {
            log_info( &logger, " Relay is OFF.\r\n" );
            thermostat2_relay_state ( &thermostat2, THERMOSTAT2_RELAY_OFF );
            relay_state = THERMOSTAT2_RELAY_OFF;
        }
    }
}

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.Thermostat2

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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