mrangle  2.0.0.0
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MR Angle click

MR Angle Click is a compact add-on board that contains a magnetoresistive sensor with an integrated amplifier. This board features the KMZ60, a high precision sensor for magnetic angle measurement with single-ended cosine and sine outputs from NXP Semiconductors. The MR sensor element comes with two Wheatstone bridges for cosine and sine signals, supports functions for control circuit and signal amplification, and enables angular measurements with high accuracy by an excellent linearity and temperature drift behavior. The KMZ60 is fully automotive qualified as well as applicable for industrial and consumer applications.

click Product page


Click library

  • Author : Nenad Filipovic
  • Date : Apr 2021.
  • Type : SPI type

Software Support

We provide a library for the MrAngle 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 MrAngle Click driver.

Standard key functions :

Example key functions :

Example Description

This library contains API for the MR Angle click driver. This demo application shows an example of angle measurement.

The demo application is composed of two sections :

Application Init

Initialization of SPI module and log UART. After driver initialization, the app performs default settings.

void application_init ( void )
{
log_cfg_t log_cfg;
mrangle_cfg_t mrangle_cfg;
LOG_MAP_USB_UART( log_cfg );
log_init( &logger, &log_cfg );
log_info( &logger, " Application Init " );
// Click initialization.
mrangle_cfg_setup( &mrangle_cfg );
MRANGLE_MAP_MIKROBUS( mrangle_cfg, MIKROBUS_1 );
if ( SPI_MASTER_ERROR == mrangle_init( &mrangle, &mrangle_cfg ) )
{
log_error( &logger, " Application Init Error. " );
log_info( &logger, " Please, run program again... " );
for ( ; ; );
}
mrangle_default_cfg ( &mrangle );
log_info( &logger, " Application Task " );
}

Application Task

This is an example that shows the use of an MR Angle click boardâ„¢. The application task consists of reading the angle measurements in degrees ( 0 - 180 ). Results are being sent to the Usart Terminal where you can track their changes.

void application_task ( void )
{
mrangle_get_angle( &mrangle, &angle );
log_printf( &logger, " Angle: %.2f deg\r\n", angle );
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:

  • MikroSDK.Board
  • MikroSDK.Log
  • Click.MrAngle

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. The terminal available in all Mikroelektronika compilers, or any other terminal application of your choice, can be used to read the message.


mrangle_get_angle
err_t mrangle_get_angle(mrangle_t *ctx, float *angle)
MR Angle get angle function.
mrangle_powerdown_mode_value_t
mrangle_powerdown_mode_value_t
MR Angle Click powerdown mode value data.
Definition: mrangle.h:131
mrangle_init
err_t mrangle_init(mrangle_t *ctx, mrangle_cfg_t *cfg)
MR Angle initialization function.
MRANGLE_MAP_MIKROBUS
#define MRANGLE_MAP_MIKROBUS(cfg, mikrobus)
MikroBUS pin mapping.
Definition: mrangle.h:60
application_task
void application_task(void)
Definition: main.c:64
mrangle_t
MR Angle Click context object.
Definition: mrangle.h:76
mrangle_cfg_setup
void mrangle_cfg_setup(mrangle_cfg_t *cfg)
MR Angle configuration object setup function.
mrangle_get_temperature
err_t mrangle_get_temperature(mrangle_t *ctx, float *temperature)
MR Angle get temperature function.
application_init
void application_init(void)
Definition: main.c:32
mrangle_default_cfg
void mrangle_default_cfg(mrangle_t *ctx)
MR Angle default configuration function.
mrangle_powerdown_mode
void mrangle_powerdown_mode(mrangle_t *ctx, mrangle_powerdown_mode_value_t pd_mode)
MR Angle powerdown mode function.
mrangle_cfg_t
MR Angle Click configuration object.
Definition: mrangle.h:95