pressure17  2.0.0.0
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Pressure 17 click

Pressure 17 Click is a compact add-on board that contains a board-mount pressure sensor. This board features the BM1390GLV-Z, a high-precision piezoresistive pressure sensor from Rohm Semiconductor. The BM1390GLV-Z comes with a configurable host interface that supports I2C serial communication and measures pressure in a range from 300hPa up to 1300hPa with an accuracy of ±1hPa.

click Product page


Click library

  • Author : Stefan Filipovic
  • Date : Dec 2021.
  • Type : I2C type

Software Support

We provide a library for the Pressure 17 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 Pressure 17 Click driver.

Standard key functions :

Example key functions :

  • pressure17_get_int_pin This function returns the INT pin logic state.
  • pressure17_read_data This function checks if the data is ready and then reads the pressure and temperature raw data and converts them to millibar and Celsius respectfully.
    err_t pressure17_read_data ( pressure17_t *ctx, float *pressure, float *temperature );
  • pressure17_write_register This function writes a data byte to the selected register by using I2C serial interface.
    err_t pressure17_write_register ( pressure17_t *ctx, uint8_t reg, uint8_t data_in );

Example Description

This example demonstrates the use of Pressure 17 click board by reading and displaying the pressure and temperature data.

The demo application is composed of two sections :

Application Init

Initializes the driver and performs the click default configuration.

void application_init ( void )
{
log_cfg_t log_cfg;
pressure17_cfg_t pressure17_cfg;
LOG_MAP_USB_UART( log_cfg );
log_init( &logger, &log_cfg );
log_info( &logger, " Application Init " );
// Click initialization.
pressure17_cfg_setup( &pressure17_cfg );
PRESSURE17_MAP_MIKROBUS( pressure17_cfg, MIKROBUS_1 );
if ( I2C_MASTER_ERROR == pressure17_init( &pressure17, &pressure17_cfg ) )
{
log_error( &logger, " Communication init." );
for ( ; ; );
}
if ( PRESSURE17_ERROR == pressure17_default_cfg ( &pressure17 ) )
{
log_error( &logger, " Default configuration." );
for ( ; ; );
}
log_info( &logger, " Application Task " );
}

Application Task

Waits for the data ready interrupt and then reads the pressure [mbar] and temperature [C] data

and displays the results on the USB UART approximately every 200ms.

void application_task ( void )
{
if ( !pressure17_get_int_pin ( &pressure17 ) )
{
float pressure, temperature;
if ( PRESSURE17_OK == pressure17_read_data ( &pressure17, &pressure, &temperature ) )
{
log_printf ( &logger, " Pressure: %.2f mbar\r\n Temperature: %.2f C\r\n\n", pressure, temperature );
}
}
}

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.Pressure17

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.


pressure17_read_data
err_t pressure17_read_data(pressure17_t *ctx, float *pressure, float *temperature)
Pressure 17 read data function.
PRESSURE17_OK
@ PRESSURE17_OK
Definition: pressure17.h:228
pressure17_get_int_pin
uint8_t pressure17_get_int_pin(pressure17_t *ctx)
Pressure 17 get int pin function.
pressure17_cfg_t
Pressure 17 Click configuration object.
Definition: pressure17.h:211
pressure17_default_cfg
err_t pressure17_default_cfg(pressure17_t *ctx)
Pressure 17 default configuration function.
application_task
void application_task(void)
Definition: main.c:65
PRESSURE17_MAP_MIKROBUS
#define PRESSURE17_MAP_MIKROBUS(cfg, mikrobus)
MikroBUS pin mapping.
Definition: pressure17.h:181
pressure17_t
Pressure 17 Click context object.
Definition: pressure17.h:194
PRESSURE17_ERROR
@ PRESSURE17_ERROR
Definition: pressure17.h:229
pressure17_init
err_t pressure17_init(pressure17_t *ctx, pressure17_cfg_t *cfg)
Pressure 17 initialization function.
application_init
void application_init(void)
Definition: main.c:29
pressure17_write_register
err_t pressure17_write_register(pressure17_t *ctx, uint8_t reg, uint8_t data_in)
Pressure 17 write register function.
pressure17_cfg_setup
void pressure17_cfg_setup(pressure17_cfg_t *cfg)
Pressure 17 configuration object setup function.