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mikroSDK Library

Pressure 14 click

Rating:

5

Author: MIKROE

Last Updated: 2021-02-12

Package Version: 1.0.0.0

mikroSDK Library: 1.0.0.0

Category: Pressure

Downloaded: 1856 times

Not followed.

License: MIT license  

Pressure 14 Click is a compact add-on board that contains a board-mount pressure sensor. This board features the ABP2LANT060PG2A3XX, a piezoresistive silicon pressure sensor offering a digital output for reading pressure over the specified full-scale pressure span and a temperature range from Honeywell Sensing and Productivity Solutions.

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  • mikroSDK Library 2.0.0.0
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mikroSDK Library Blog

Pressure 14 Click

Pressure 14 Click

Native view of the Pressure 14 Click board.

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Pressure 14 Click

Pressure 14 Click

Front and back view of the Pressure 14 Click board.

View full image

Library Description

The library covers all the necessary functions to control the Pressure 14 click board. The library performs a standard I2C interface communication.

Key functions:

  • void pressure14_measure_cmd ( void ) - Output Measurement Command function.
  • void pressure14_read_press_and_temp ( uint8_t *status_byte, uint32_t *pressure_data, uint32_t *temp_data ) - Read pressure and temperature function.
  • float pressure14_get_pressure ( uint32_t pressure_raw, uint8_t conv_unit ) - Calculate pressure function.

Examples description

The application is composed of three sections :

  • System Initialization - Initializes I2C and UART LOG and sets INT pin as input.
  • Application Initialization - Initialization driver enables I2C.
  • Application Task - (code snippet) This is an example that demonstrates the use of the Pressure 14 click board. In this example, the output measurement command is sent first forcing the ABP2 pressure sensor to exit standby mode and enter the operating mode. The device's busy state is evaluated via the end-of-conversion pin ( INT ) following the pressure and temperature data acquisition and calculation. The results are being sent to the Usart Terminal. This task repeats every 5 sec.
void application_task ( )
{
    pressure14_measure_cmd( );
    Delay_ms( 10 );
    
    if ( pressure14_check_busy_flag_int( ) == device_busy_false )
    {
        pressure14_read_press_and_temp( &status, &pressure_tmp,
                                         &temperature_tmp );
        Delay_ms( 100 );

        pressure = pressure14_get_pressure( pressure_tmp,
                                            PRESSURE14_CONV_UNIT_MILIBAR );                                 
        temperature = pressure14_get_temperature( temperature_tmp,
                                                  PRESSURE14_CONV_UNIT_CELSIUS );

        mikrobus_logWrite( " Pressure    : ", _LOG_TEXT );
        FloatToStr( pressure, demo_txt );
        mikrobus_logWrite( demo_txt, _LOG_TEXT );
        mikrobus_logWrite( " mbar", _LOG_LINE );

        mikrobus_logWrite( " Temperature : ", _LOG_TEXT );
        FloatToStr( temperature, demo_txt );
        mikrobus_logWrite( demo_txt, _LOG_TEXT );
        mikrobus_logWrite( " C", _LOG_LINE );
        mikrobus_logWrite( "-----------------------", _LOG_LINE );
    }
    Delay_ms( 2000 );
}

Other mikroE Libraries used in the example:

  • I2C
  • UART

Additional notes and informations

Depending on the development board you are using, you may need USB UART clickUSB UART 2 click or RS232 click to connect to your PC, for development systems with no UART to USB interface available on the board. The terminal available in all MikroElektronika compilers, or any other terminal application of your choice, can be used to read the message.

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