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mikroSDK Library

Barometer 10 Click

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Author: MIKROE

Last Updated: 2024-10-31

Package Version: 2.1.0.7

mikroSDK Library: 2.0.0.0

Category: Pressure

Downloaded: 115 times

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License: MIT license  

Barometer 10 Click is a compact add-on board that measures air pressure in a specific environment. This board features the LPS28DFW, an ultra-compact piezoresistive absolute pressure sensor that functions as a digital output barometer from STMicroelectronics. The LPS28DFW comprises a sensing element and an IC chip for signal processing in one package, converts pressure into a 24-bit digital value, and sends the information via I2C serial interface. It has a selectable dual full-scale absolute pressure range of up to 1260hPa and 4060hPa, with an absolute pressure accuracy of 0.5hPa over a wide operating temperature range.

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mikroSDK Library Blog


Barometer 10 Click

Barometer 10 Click is a compact add-on board that measures air pressure in a specific environment. This board features the LPS28DFW, an ultra-compact piezoresistive absolute pressure sensor that functions as a digital output barometer from STMicroelectronics. The LPS28DFW comprises a sensing element and an IC chip for signal processing in one package, converts pressure into a 24-bit digital value, and sends the information via I2C serial interface. It has a selectable dual full-scale absolute pressure range of up to 1260hPa and 4060hPa, with an absolute pressure accuracy of 0.5hPa over a wide operating temperature range.

barometer10_click.png

Click Product page


Click library

  • Author : Nenad Filipovic
  • Date : Mar 2023.
  • Type : I2C type

Software Support

We provide a library for the Barometer 10 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 Barometer 10 Click driver.

Standard key functions :

  • barometer10_cfg_setup Config Object Initialization function.

    void barometer10_cfg_setup ( barometer10_cfg_t *cfg );
  • barometer10_init Initialization function.

    err_t barometer10_init ( barometer10_t *ctx, barometer10_cfg_t *cfg );
  • barometer10_default_cfg Click Default Configuration function.

    err_t barometer10_default_cfg ( barometer10_t *ctx );

Example key functions :

  • barometer10_get_pressure Barometer 10 gets pressure function.

    err_t barometer10_get_pressure ( barometer10_t *ctx, float *pressure )
  • barometer10_get_temperature Barometer 10 gets temperature function.

    err_t barometer10_get_temperature ( barometer10_t *ctx, float *temperature );

Example Description

This example demonstrates the use of the Barometer 10 Click board™. The demo application reads and calculates pressure and temperature data.

The demo application is composed of two sections :

Application Init

The initialization of the I2C module, log UART and additional pins. After the driver init, the app executes a default configuration.

void application_init ( void ) 
{
    log_cfg_t log_cfg;  /**< Logger config object. */
    barometer10_cfg_t barometer10_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.
    barometer10_cfg_setup( &barometer10_cfg );
    BAROMETER10_MAP_MIKROBUS( barometer10_cfg, MIKROBUS_1 );
    if ( I2C_MASTER_ERROR == barometer10_init( &barometer10, &barometer10_cfg ) ) 
    {
        log_error( &logger, " Communication init." );
        for ( ; ; );
    }

    if ( BAROMETER10_ERROR == barometer10_default_cfg ( &barometer10 ) )
    {
        log_error( &logger, " Default configuration." );
        for ( ; ; );
    }

    log_info( &logger, " Application Task " );
    log_printf( &logger, "------------------------\r\n" );
}

Application Task

This example displays the Pressure [mBar] and Temperature [degree Celsius] data. Results are being sent to the UART Terminal, where you can track their changes.

void application_task ( void ) 
{
    static float pressure, temperature;
    if ( BAROMETER10_OK == barometer10_get_pressure( &barometer10, &pressure ) )
    {
        log_printf( &logger, " Pressure: %.2f [mbar] \r\n", pressure );
    }

    if ( BAROMETER10_OK == barometer10_get_temperature( &barometer10, &temperature ) )
    {
        log_printf( &logger, " Temperature : %.2f [deg c] \r\n", temperature );
    }
    log_printf( &logger, "------------------------\r\n" );
    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.Barometer10

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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