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Author: MIKROE
Last Updated: 2024-10-31
Package Version: 2.1.0.5
mikroSDK Library: 2.0.0.0
Category: Pressure
Downloaded: 74 times
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License: MIT license
Barometer 9 Click is a compact add-on board ideal for precision activity tracking and indoor navigation/localization. This board features the ENS220, a barometric pressure and temperature sensor from ScioSense
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DOWNLOAD LINK | RELATED COMPILER | CONTAINS |
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5571_barometer_9_clic.zip [536.65KB] | mikroC AI for ARM GCC for ARM Clang for ARM mikroC AI for PIC mikroC AI for PIC32 XC32 GCC for RISC-V Clang for RISC-V mikroC AI for AVR mikroC AI for dsPIC XC16 |
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Barometer 9 Click is a compact add-on board ideal for precision activity tracking and indoor navigation/localization. This board features the ENS220, a barometric pressure and temperature sensor from ScioSense
We provide a library for the Barometer 9 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.
This library contains API for Barometer 9 Click driver.
barometer9_cfg_setup
Config Object Initialization function.
void barometer9_cfg_setup ( barometer9_cfg_t *cfg );
barometer9_init
Initialization function.
err_t barometer9_init ( barometer9_t *ctx, barometer9_cfg_t *cfg );
barometer9_default_cfg
Click Default Configuration function.
err_t barometer9_default_cfg ( barometer9_t *ctx );
barometer9_read_part_id
This function is used to read a Device ID of Barometer 9 Click board.
err_t barometer9_read_part_id ( barometer9_t *ctx, uint16_t *part_id );
barometer9_get_temperature
This function is used to read a temperature of Barometer 9 Click board in degree of Celsius.
err_t barometer9_get_temperature ( barometer9_t *ctx, float *temperature );
barometer9_get_pressure
This function is used to read a pressure of Barometer 9 Click board in Pascals.
err_t barometer9_get_pressure ( barometer9_t *ctx, float *pressure );
This example demonstrates the use of Barometer 9 Click board by reading and displaying the pressure and temperature measurements.
The demo application is composed of two sections :
The initialization of I2C or SPI module and log UART. After driver initialization, the app sets the default configuration.
void application_init ( void )
{
log_cfg_t log_cfg; /**< Logger config object. */
barometer9_cfg_t barometer9_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.
barometer9_cfg_setup( &barometer9_cfg );
BAROMETER9_MAP_MIKROBUS( barometer9_cfg, MIKROBUS_1 );
err_t init_flag = barometer9_init( &barometer9, &barometer9_cfg );
if ( ( I2C_MASTER_ERROR == init_flag ) || ( SPI_MASTER_ERROR == init_flag ) )
{
log_error( &logger, " Communication init." );
for ( ; ; );
}
Delay_ms ( 100 );
if ( BAROMETER9_ERROR == barometer9_default_cfg ( &barometer9 ) )
{
log_error( &logger, " Default configuration." );
for ( ; ; );
}
uint16_t device_id = 0;
barometer9_read_part_id ( &barometer9, &device_id );
if ( BAROMETER9_DEVICE_ID != device_id )
{
log_error( &logger, " Read error " );
for ( ; ; );
}
else
{
log_printf( &logger, " Device ID: 0x%.4X \r\n", device_id );
}
log_info( &logger, " Application Task " );
}
The demo application reads and displays the Pressure [Pa] and Temperature [degree Celsius] data. Results are being sent to the UART Terminal, where you can track their changes.
void application_task ( void )
{
float temperature = 0;
float pressure = 0;
barometer9_get_temperature( &barometer9, &temperature );
barometer9_get_pressure( &barometer9, &pressure );
log_printf( &logger, " Temperature: %.2f C \r\n Pressure %.3f Pa \r\n", temperature, pressure );
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:
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.