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mikroSDK Library

Magnetic Rotary 3 Click

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Author: MIKROE

Last Updated: 2024-10-31

Package Version: 2.1.0.10

mikroSDK Library: 2.0.0.0

Category: Magnetic

Downloaded: 241 times

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License: MIT license  

Magnetic Rotary 3 Click is a compact add-on board for accurate magnet-position sensing. This board features the AS5147, an SPI-configurable high-resolution rotary position sensor for fast absolute angle measurement over a full 360-degree range from ams AG.

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mikroSDK Library Blog


Magnetic Rotary 3 Click

Magnetic Rotary 3 Click is a compact add-on board for accurate magnet-position sensing. This board features the AS5147, an SPI-configurable high-resolution rotary position sensor for fast absolute angle measurement over a full 360-degree range from ams AG.

magneticrotary3_click.png

Click Product page


Click library

  • Author : Stefan Filipovic
  • Date : May 2022.
  • Type : SPI type

Software Support

We provide a library for the Magnetic Rotary 3 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 Magnetic Rotary 3 Click driver.

Standard key functions :

  • magneticrotary3_cfg_setup Config Object Initialization function.

    void magneticrotary3_cfg_setup ( magneticrotary3_cfg_t *cfg );
  • magneticrotary3_init Initialization function.

    err_t magneticrotary3_init ( magneticrotary3_t *ctx, magneticrotary3_cfg_t *cfg );

Example key functions :

  • magneticrotary3_write_register This function writes a desired data to the selected register by using SPI serial interface.

    err_t magneticrotary3_write_register ( magneticrotary3_t *ctx, uint16_t reg, uint16_t data_in );
  • magneticrotary3_read_register This function reads data from the selected register by using SPI serial interface.

    err_t magneticrotary3_read_register ( magneticrotary3_t *ctx, uint16_t reg, uint16_t *data_out );
  • magneticrotary3_get_angle This function reads the absolute position raw data and converts it to degrees (Angle).

    err_t magneticrotary3_get_angle ( magneticrotary3_t *ctx, float *angle );

Example Description

This example demonstrates the use of Magnetic Rotary 3 Click board by reading and displaying the magnet's angular position in degrees.

The demo application is composed of two sections :

Application Init

Initializes the driver and logger.


void application_init ( void )
{
    log_cfg_t log_cfg;  /**< Logger config object. */
    magneticrotary3_cfg_t magneticrotary3_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.
    magneticrotary3_cfg_setup( &magneticrotary3_cfg );
    MAGNETICROTARY3_MAP_MIKROBUS( magneticrotary3_cfg, MIKROBUS_1 );
    if ( SPI_MASTER_ERROR == magneticrotary3_init( &magneticrotary3, &magneticrotary3_cfg ) )
    {
        log_error( &logger, " Communication init." );
        for ( ; ; );
    }

    log_info( &logger, " Application Task " );
}

Application Task

Reads the magnet's angular position in degrees every 100ms and displays the results on the USB UART.

void application_task ( void )
{
    float angle;
    if ( MAGNETICROTARY3_OK == magneticrotary3_get_angle ( &magneticrotary3, &angle ) )
    {
        log_printf( &logger, " Angle: %.1f degrees\r\n\n", angle );
        Delay_ms ( 100 );
    }
}

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.MagneticRotary3

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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