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Author: MIKROE
Last Updated: 2024-10-31
Package Version: 2.1.0.7
mikroSDK Library: 2.0.0.0
Category: Magnetic
Downloaded: 90 times
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License: MIT license
Magnetic Rotary 6 Click is a compact add-on board for accurate magnet-position sensing. This board features the AS5247U, an SPI-configurable high-resolution dual rotary position sensor for fast absolute angle measurement over a full 360-degree range from ams AG. The AS5047D is equipped with revolutionary integrated dynamic angle error compensation (DAEC™) with almost 0 latency and offers a robust design that suppresses the influence of any homogenous external stray magnetic field. It also comes with onboard headers reserved for incremental and commutation signals of their respective A/B/I and U/V/W signals, with a maximum resolution of 16384 steps / 4096 pulses per revolution, alongside embedded self-diagnostics features.
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Magnetic Rotary 6 Click is a compact add-on board for accurate magnet-position sensing. This board features the AS5247U, an SPI-configurable high-resolution dual rotary position sensor for fast absolute angle measurement over a full 360-degree range from ams AG. The AS5047D is equipped with revolutionary integrated dynamic angle error compensation (DAEC™) with almost 0 latency and offers a robust design that suppresses the influence of any homogenous external stray magnetic field. It also comes with onboard headers reserved for incremental and commutation signals of their respective A/B/I and U/V/W signals, with a maximum resolution of 16384 steps / 4096 pulses per revolution, alongside embedded self-diagnostics features.
We provide a library for the Magnetic Rotary 6 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 Magnetic Rotary 6 Click driver.
magneticrotary6_cfg_setup
Config Object Initialization function.
void magneticrotary6_cfg_setup ( magneticrotary6_cfg_t *cfg );
magneticrotary6_init
Initialization function.
err_t magneticrotary6_init ( magneticrotary6_t *ctx, magneticrotary6_cfg_t *cfg );
magneticrotary6_default_cfg
Click Default Configuration function.
err_t magneticrotary6_default_cfg ( magneticrotary6_t *ctx );
magneticrotary6_write_register
This function writes a desired data to the selected register of a desired sensor die by using SPI serial interface.
err_t magneticrotary6_write_register ( magneticrotary6_t *ctx, uint8_t die_sel, uint16_t reg, uint16_t data_in );
magneticrotary6_get_angle
This function reads the absolute position raw data of a desired sensor die and converts it to degrees (Angle).
err_t magneticrotary6_get_angle ( magneticrotary6_t *ctx, uint8_t die_sel, float *angle );
magneticrotary6_set_direction
This function sets the rotation direction of a desired sensor die.
err_t magneticrotary6_set_direction ( magneticrotary6_t *ctx, uint8_t die_sel, uint8_t dir );
This example demonstrates the use of Magnetic Rotary 6 Click board by reading and displaying the magnet's angular position in degrees measured by the bottom and top sensor dies.
The demo application is composed of two sections :
Initializes the driver and performs the Click default configuration which sets the magnet rotation direction for the bottom die to clockwise and for the top die to counter-clockwise.
void application_init ( void )
{
log_cfg_t log_cfg; /**< Logger config object. */
magneticrotary6_cfg_t magneticrotary6_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.
magneticrotary6_cfg_setup( &magneticrotary6_cfg );
MAGNETICROTARY6_MAP_MIKROBUS( magneticrotary6_cfg, MIKROBUS_1 );
if ( SPI_MASTER_ERROR == magneticrotary6_init( &magneticrotary6, &magneticrotary6_cfg ) )
{
log_error( &logger, " Communication init." );
for ( ; ; );
}
if ( MAGNETICROTARY6_ERROR == magneticrotary6_default_cfg ( &magneticrotary6 ) )
{
log_error( &logger, " Default configuration." );
for ( ; ; );
}
log_info( &logger, " Application Task " );
}
Reads the magnet's angular position from both sensor dies in degrees every 100ms and displays the results on the USB UART.
void application_task ( void )
{
float angle;
if ( MAGNETICROTARY6_OK == magneticrotary6_get_angle ( &magneticrotary6, MAGNETICROTARY6_DIE_BOTTOM, &angle ) )
{
log_printf( &logger, " Angle (bottom die): %.1f degrees\r\n", angle );
}
if ( MAGNETICROTARY6_OK == magneticrotary6_get_angle ( &magneticrotary6, MAGNETICROTARY6_DIE_TOP, &angle ) )
{
log_printf( &logger, " Angle (top die): %.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:
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.