barometer2

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Barometer 2 Click

Barometer 2 Click demo application is developed using the NECTO Studio, ensuring compatibility with mikroSDK's open-source libraries and tools. Designed for plug-and-play implementation and testing, the demo is fully compatible with all development, starter, and mikromedia boards featuring a mikroBUS™ socket.

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Click Library

• Author : MikroE Team
• Date : Nov 2019.
• Type : I2C type

Software Support

Example Description

The example starts off with the initialization and configuration of the Click and logger modules, tests the communication channel and reads and displays temperature and pressure values every second.

Example Libraries

• MikroSDK.Board
• MikroSDK.Log
• Click.Barometer2

Example Key Functions

• barometer2_cfg_setup Config Object Initialization function.

  void barometer2_cfg_setup ( barometer2_cfg_t *cfg );

• barometer2_init Initialization function.

  err_t barometer2_init ( barometer2_t *ctx, barometer2_cfg_t *cfg );

• barometer2_default_cfg Click Default Configuration function.

  void barometer2_default_cfg ( barometer2_t *ctx );

• barometer2_get_pressure Gets the pressure value.

  float barometer2_get_pressure ( barometer2_t *ctx, uint8_t press_format );

• barometer2_get_temperature Gets the temperature value.

  float barometer2_get_temperature ( barometer2_t *ctx, uint8_t temp_format );

• barometer2_software_reset Resets the device.

  void barometer2_software_reset ( barometer2_t *ctx );

Application Init

Initializes and configures the Click and logger modules and tests the communication for errors.

void application_init ( )
{
    log_cfg_t log_cfg;
    barometer2_cfg_t cfg;
    
    uint8_t test;

    LOG_MAP_USB_UART( log_cfg );
    log_init( &logger, &log_cfg );
    log_info( &logger, "---- Application Init ----" );
 
    //  Click initialization.
 
    barometer2_cfg_setup( &cfg );
    BAROMETER2_MAP_MIKROBUS( cfg, MIKROBUS_1 );
    barometer2_init( &barometer2, &cfg );
    barometer2_default_cfg( &barometer2 );
 
    // Test communication
 
    test = barometer2_read_byte( &barometer2, BAROMETER2_REG_WHO_AM_I ); 
 
    if ( test == BAROMETER2_WHO_AM_I )
    {
        log_printf( &logger, "---- Communication OK!!! ----\r\n" );
    }
    else
    {
        log_printf( &logger, "---- Communication ERROR!!! ----\r\n" );
        for ( ; ; );
    } 
 
    // Software reset 
 
    barometer2_software_reset( &barometer2 );
    Delay_1sec();
 
    Delay_1sec( );
    log_printf( &logger, "---- Start Measurement ---- \r\n" );
}

Application Task

Reads and displays temperature and pressure values every second.

void application_task ( )
{
    float temperature;
    float pressure;
     
    temperature = barometer2_get_temperature( &barometer2, BAROMETER2_TEMPERATURE_IN_CELSIUS );
    log_printf( &logger, " Temperature : %f ", temperature );
 
    pressure = barometer2_get_pressure( &barometer2, BAROMETER2_PRESSURE_DATA_IN_mBar );
    log_printf( &logger, " Pressure : %f \n", pressure );
 
    log_printf( &logger, "--------------------------\n" );
    Delay_ms ( 1000 );
}

Application Output

This Click board can be interfaced and monitored in two ways:

• Application Output - Use the "Application Output" window in Debug mode for real-time data monitoring. Set it up properly by following this tutorial.
• UART Terminal - Monitor data via the UART Terminal using a USB to UART converter. For detailed instructions, check out this tutorial.

Additional Notes and Information

The complete application code and a ready-to-use project are available through the NECTO Studio Package Manager for direct installation in the NECTO Studio. The application code can also be found on the MIKROE GitHub account.

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