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mikroSDK Library

Accel 15 Click

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Author: MIKROE

Last Updated: 2024-10-31

Package Version: 2.1.0.13

mikroSDK Library: 2.0.0.0

Category: Motion

Downloaded: 264 times

Not followed.

License: MIT license  

Accel 15 Click is a compact add-on board that contains a longevity acceleration sensor. This board features the BMA490L, a high-performance 16-bit digital triaxial acceleration sensor with extended availability of up to ten years from Bosch Sensortech. It allows selectable full-scale acceleration measurements in ranges of ±2g, ±4g, ±8g, and ±16g in three axes with a configurable host interface that supports both I2C and SPI serial communication and with intelligent on-chip motion-triggered interrupt features. Intelligent signal processing and evaluation in the accelerometer ASIC enables advanced gesture recognition for numerous industrial IoT applications where low power consumption is vital. This Click board™ is suitable for home appliances, power tools, and other industrial products whose lifetime is essential.

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mikroSDK Library Blog


Accel 15 Click

Accel 15 Click is a compact add-on board that contains a longevity acceleration sensor. This board features the BMA490L, a high-performance 16-bit digital triaxial acceleration sensor with extended availability of up to ten years from Bosch Sensortech. It allows selectable full-scale acceleration measurements in ranges of ±2g, ±4g, ±8g, and ±16g in three axes with a configurable host interface that supports both I2C and SPI serial communication and with intelligent on-chip motion-triggered interrupt features. Intelligent signal processing and evaluation in the accelerometer ASIC enables advanced gesture recognition for numerous industrial IoT applications where low power consumption is vital. This Click board™ is suitable for home appliances, power tools, and other industrial products whose lifetime is essential.

accel15_click.png

Click Product page


Click library

  • Author : Nenad Filipovic
  • Date : Jan 2021.
  • Type : I2C/SPI type

Software Support

We provide a library for the Accel15 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 Accel15 Click driver.

Standard key functions :

  • accel15_cfg_setup Config Object Initialization function.

    void accel15_cfg_setup ( accel15_cfg_t *cfg );
  • accel15_init Initialization function.

    err_t accel15_init ( accel15_t *ctx, accel15_cfg_t *cfg );
  • accel15_default_cfg Click Default Configuration function.

    err_t accel15_default_cfg ( accel15_t *ctx );

Example key functions :

  • accel15_get_axis_data Accel 15 get accelerometer axis function.

    err_t accel15_get_axis_data ( accel15_t *ctx, accel15_axis_t *axis );
  • accel15_generic_write Accel 15 data writing function.

    err_t accel15_generic_write ( accel15_t *ctx, uint8_t reg, uint8_t *data_in, uint8_t len );
  • accel15_generic_read Accel 15 data reading function.

    err_t accel15_generic_read ( accel15_t *ctx, uint8_t reg, uint8_t *data_out, uint8_t len );

Example Description

This library contains API for Accel 15 Click driver. The library initializes and defines the I2C or SPI bus drivers to write and read data from registers. The library also includes a function for reading X-axis, Y-axis, and Z-axis data.

The demo application is composed of two sections :

Application Init

The initialization of I2C or SPI module, log UART, and additional pins. After the driver init, the app checks communication, sensor ID, and then executes a default configuration.


void application_init ( void ) 
{
    log_cfg_t log_cfg;          /**< Logger config object. */
    accel15_cfg_t accel15_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_printf( &logger, "\r\n-------------------------\r\n" );
    log_printf( &logger, "     Application Init    \r\n" );
    log_printf( &logger, "-------------------------\r\n" );

    // Click initialization.
    accel15_cfg_setup( &accel15_cfg );
    ACCEL15_MAP_MIKROBUS( accel15_cfg, MIKROBUS_1 );
    err_t init_flag  = accel15_init( &accel15, &accel15_cfg );
    if ( ( I2C_MASTER_ERROR == init_flag ) || ( SPI_MASTER_ERROR == init_flag ) ) 
    {
        log_error( &logger, " Application Init Error. " );
        log_info( &logger, " Please, run program again... " );
        for ( ; ; );
    }

    if ( ACCEL15_ERROR == accel15_check_id( &accel15 ) ) 
    {
        log_printf( &logger, "   Communication ERROR   \r\n" );
        log_printf( &logger, "     Reset the device    \r\n" );
        log_printf( &logger, "-------------------------\r\n" );
        for ( ; ; );
    }

    if ( ACCEL15_ERROR == accel15_default_cfg ( &accel15 ) )
    {
        log_error( &logger, " Default configuration." );
        for ( ; ; );
    }

    log_printf( &logger, "     Application Task    \r\n" );
    log_printf( &logger, "-------------------------\r\n" );
    Delay_ms ( 100 );
}

Application Task

Measures and displays acceleration data for X-axis, Y-axis, and Z-axis. Results are being sent to the USART terminal where the user can track their changes. This task repeats at data output rate which is set to 12.5 Hz.


void application_task ( void ) 
{
    if ( ACCEL15_DRDY == accel15_get_int_1( &accel15 ) ) 
    {
        if ( ACCEL15_OK == accel15_get_axis_data( &accel15, &axis ) )
        {
            log_printf( &logger, "\tX : %d \r\n", axis.x );
            log_printf( &logger, "\tY : %d \r\n", axis.y );
            log_printf( &logger, "\tZ : %d \r\n", axis.z );
            log_printf( &logger, "-------------------------\r\n" );
        }
    }
}

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.Accel15

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.


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