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mikroSDK Library

Thermo 26 Click

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0

Author: MIKROE

Last Updated: 2024-10-31

Package Version: 2.1.0.9

mikroSDK Library: 2.0.0.0

Category: Temperature & humidity

Downloaded: 186 times

Not followed.

License: MIT license  

Thermo 26 Click is a compact add-on board that accurately measures temperature. This board features the STS31-DIS, a high-accuracy digital temperature sensor from Sensirion. Characterized by its high accuracy (up to ±0.2°C typical) and high resolution of 0.01°C, the STS31-DIS provides temperature data to the host controller with a configurable I2C interface. It relies on the industry-proven CMOSens® technology, providing increased intelligence, reliability, and improved accuracy specifications, including enhanced signal processing, user-selectable I2C addresses, and up to 1 MHz communication speeds.

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mikroSDK Library Blog


Thermo 26 Click

Thermo 26 Click is a compact add-on board that accurately measures temperature. This board features the STS31-DIS, a high-accuracy digital temperature sensor from Sensirion. Characterized by its high accuracy (up to ±0.2°C typical) and high resolution of 0.01°C, the STS31-DIS provides temperature data to the host controller with a configurable I2C interface. It relies on the industry-proven CMOSens® technology, providing increased intelligence, reliability, and improved accuracy specifications, including enhanced signal processing, user-selectable I2C addresses, and up to 1 MHz communication speeds.

thermo26_click.png

Click Product page


Click library

  • Author : Stefan Filipovic
  • Date : Aug 2022.
  • Type : I2C type

Software Support

We provide a library for the Thermo 26 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 Thermo 26 Click driver.

Standard key functions :

  • thermo26_cfg_setup Config Object Initialization function.

    void thermo26_cfg_setup ( thermo26_cfg_t *cfg );
  • thermo26_init Initialization function.

    err_t thermo26_init ( thermo26_t *ctx, thermo26_cfg_t *cfg );

Example key functions :

  • thermo26_read_serial_num This function reads the 32-bit unique serial number.

    err_t thermo26_read_serial_num ( thermo26_t *ctx, uint32_t *serial_num );
  • thermo26_start_measurement This function starts the measurements by sending the specified command.

    err_t thermo26_start_measurement ( thermo26_t *ctx, uint16_t cmd );
  • thermo26_read_temperature This function reads the temperature raw data measurements and converts it to degrees Celsius.

    err_t thermo26_read_temperature ( thermo26_t *ctx, float *temperature );

Example Description

This example demonstrates the use of Thermo 26 Click board by reading and displaying the temperature measurements.

The demo application is composed of two sections :

Application Init

Initializes the driver and resets the device, and after that reads the serial number and starts the periodic measurements at 2 mps with high repeatability.


void application_init ( void )
{
    log_cfg_t log_cfg;  /**< Logger config object. */
    thermo26_cfg_t thermo26_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.
    thermo26_cfg_setup( &thermo26_cfg );
    THERMO26_MAP_MIKROBUS( thermo26_cfg, MIKROBUS_1 );
    if ( I2C_MASTER_ERROR == thermo26_init( &thermo26, &thermo26_cfg ) ) 
    {
        log_error( &logger, " Communication init." );
        for ( ; ; );
    }

    thermo26_reset_device ( &thermo26 );

    uint32_t serial_num;
    if ( THERMO26_ERROR == thermo26_read_serial_num ( &thermo26, &serial_num ) )
    {
        log_error( &logger, " Read serial number." );
        for ( ; ; );
    }
    log_printf ( &logger, " Serial number: 0x%.8LX\r\n", serial_num );

    if ( THERMO26_ERROR == thermo26_start_measurement ( &thermo26, THERMO26_CMD_PERIODIC_2_MPS_REP_HIGH ) )
    {
        log_error( &logger, " Start measurement." );
        for ( ; ; );
    }

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

Application Task

Reads the temperature measurement in degrees Celsius and displays the results on the USB UART approximately once per second.

void application_task ( void )
{
    float temperature;
    if ( THERMO26_OK == thermo26_read_temperature ( &thermo26, &temperature ) )
    {
        log_printf ( &logger, " Temperature: %.2f\r\n\n", temperature );
    }
    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.Thermo26

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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