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mikroSDK Library

Pressure 7 Click

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Author: MIKROE

Last Updated: 2024-10-31

Package Version: 2.1.0.16

mikroSDK Library: 2.0.0.0

Category: Pressure

Downloaded: 229 times

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License: MIT license  

Pressure 7 Click features an integrated digital barometric pressure and temperature sensor labeled as MS5837.

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  • mikroSDK Library 1.0.0.0
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mikroSDK Library Blog


Pressure 7 Click

Pressure 7 Click features an integrated digital barometric pressure and temperature sensor labeled as MS5837. This sensor relies on the advanced MEMS technology by MEAS Switzerland, a well-known high-volume MEMS manufacturer.

pressure7_click.png

Click Product page


Click library

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

Software Support

We provide a library for the Pressure7 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 form compilers IDE(recommended way), or downloaded from our LibStock, or found on mikroE github account.

Library Description

This library contains API for Pressure7 Click driver.

Standard key functions :

  • Config Object Initialization function.

    void pressure7_cfg_setup ( pressure7_cfg_t *cfg );

  • Initialization function.

    PRESSURE7_RETVAL pressure7_init ( pressure7_t ctx, pressure7_cfg_t cfg );

  • Click Default Configuration function.

    void pressure7_default_cfg ( pressure7_t *ctx );

Example key functions :

  • This function reads calibration data from PROM

    uint8_t pressure7_read_PROM( pressure7_t *ctx );

  • This function starts measurement and calculation data.

    void pressure7_start_measurement(pressure7_t *ctx);

  • This function reads pressure and temperature data.

    void pressure7_get_sensor_data( pressure7_t ctx, float Temperature, float *Pressure );

Examples Description

This example reads temperature and pressure and logs it every 3 seconds.

The demo application is composed of two sections :

Application Init

Initialize Logger and Click object and call pressure7_read_PROM() function.


void application_init ( void )
{
    log_cfg_t log_cfg;
    pressure7_cfg_t cfg;

    /** 
     * 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.

    pressure7_cfg_setup( &cfg );
    PRESSURE7_MAP_MIKROBUS( cfg, MIKROBUS_1 );
    pressure7_init( &pressure7, &cfg );
    pressure7_default_cfg ( &pressure7 );

    //  Read calibrated data from the PROM

    prom_exit_value = pressure7_read_PROM( &pressure7 );
    if ( prom_exit_value == PRESSURE7_PROM_READ_OK )
    {
        log_info( &logger, "Read PROM - OK !\r\n" );
    }
    else
    {
        log_info( &logger, "Read PROM - ERROR!\r\n" );
    }
    Delay_ms ( 100 );
}

Application Task

Get sensor data on every 3 seconds and send measured temperature and pressure to logger.


void application_task ( void )
{
    pressure7_start_measurement( &pressure7 );
    pressure7_get_sensor_data( &pressure7, &Temperature, &Pressure );

    log_printf( &logger, "Temperature: %fC\r\n", Temperature );
    log_printf( &logger, "Pressure: %f\r\n", Pressure );

    Delay_ms ( 1000 );
    Delay_ms ( 1000 );
    Delay_ms ( 1000 );
}

The full application code, and ready to use projects can be installed directly form compilers IDE(recommneded) or found on LibStock page or mikroE GitHub accaunt.

Other mikroE Libraries used in the example:

  • MikroSDK.Board
  • MikroSDK.Log
  • Click.Pressure7

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. 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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