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Author: MIKROE
Last Updated: 2024-10-31
Package Version: 2.1.0.9
mikroSDK Library: 2.0.0.0
Category: Magnetic
Downloaded: 123 times
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License: MIT license
Angle 10 Click is a compact add-on board that detects the absolute angular position of a permanent magnet. This board features the AS5070A, a high-resolution angular position sensor with an analog output for precise absolute angle measurement from ams AG. Based on a Hall sensor technology, the AS5070A measures the orthogonal component of the flux density over a full-turn rotation and compensates for external stray magnetic fields with a robust architecture based on a 14-bit sensor array and analog front-end. Only a simple two-pole magnet rotating over the center of the AS5070A is required to measure the angle, providing an instant indication of the magnet’s angular position.
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Angle 10 Click is a compact add-on board that detects the absolute angular position of a permanent magnet. This board features the AS5070A, a high-resolution angular position sensor with an analog output for precise absolute angle measurement from ams AG. Based on a Hall sensor technology, the AS5070A measures the orthogonal component of the flux density over a full-turn rotation and compensates for external stray magnetic fields with a robust architecture based on a 14-bit sensor array and analog front-end. Only a simple two-pole magnet rotating over the center of the AS5070A is required to measure the angle, providing an instant indication of the magnet’s angular position.
We provide a library for the Angle 10 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 Angle 10 Click driver.
angle10_cfg_setup
Config Object Initialization function.
void angle10_cfg_setup ( angle10_cfg_t *cfg );
angle10_init
Initialization function.
err_t angle10_init ( angle10_t *ctx, angle10_cfg_t *cfg );
angle10_read_voltage
This function reads raw ADC value and converts it to proportional voltage level.
err_t angle10_read_voltage ( angle10_t *ctx, float *voltage );
angle10_get_angle
This function reads the magnetic angular position in degrees based on @b ANGLE10_NUM_CONVERSIONS of voltage measurements.
err_t angle10_get_angle ( angle10_t *ctx, float *angle );
angle10_set_vref
This function sets the voltage reference for Angle 10 Click driver.
err_t angle10_set_vref ( angle10_t *ctx, float vref );
This example demonstrates the use of Angle 10 Click board by reading and displaying the magnet's angular position in degrees and analog voltage output.
The demo application is composed of two sections :
Initializes the driver and logger.
void application_init ( void )
{
log_cfg_t log_cfg; /**< Logger config object. */
angle10_cfg_t angle10_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.
angle10_cfg_setup( &angle10_cfg );
ANGLE10_MAP_MIKROBUS( angle10_cfg, MIKROBUS_1 );
if ( ADC_ERROR == angle10_init( &angle10, &angle10_cfg ) )
{
log_error( &logger, " Communication init." );
for ( ; ; );
}
log_info( &logger, " Application Task " );
}
Reads the magnet's angular position in degrees and analog voltage output and displays the results on the USB UART approximately every 500ms.
void application_task ( void )
{
float voltage, angle;
if ( ANGLE10_OK == angle10_read_voltage ( &angle10, &voltage ) )
{
log_printf( &logger, " AN Voltage : %.3f V\r\n", voltage );
}
if ( ANGLE10_OK == angle10_get_angle ( &angle10, &angle ) )
{
log_printf ( &logger, " Angle: %.2f Degrees\r\n\n", angle );
}
Delay_ms ( 500 );
}
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.