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MR Angle Click

MR Angle Click demo application is developed using the NECTO Studio, ensuring compatibility with mikroSDK's open-source libraries and tools. Designed for plug-and-play implementation and testing, the demo is fully compatible with all development, starter, and mikromedia boards featuring a mikroBUS™ socket.

Click Library

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

Software Support

Example Description

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

Example Libraries

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

Example Key Functions

  • mrangle_cfg_setup Config Object Initialization function.
void mrangle_cfg_setup ( mrangle_cfg_t *cfg );
  • mrangle_init Initialization function.
err_t mrangle_init ( mrangle_t *ctx, mrangle_cfg_t *cfg );
  • mrangle_default_cfg Click Default Configuration function.
void mrangle_default_cfg ( mrangle_t *ctx );
  • mrangle_get_angle MR Angle get angle function.
err_t mrangle_get_angle ( mrangle_t *ctx, float *angle );
  • mrangle_get_temperature MR Angle get temperature function.
err_t mrangle_get_temperature ( mrangle_t *ctx, float *temperature );
  • mrangle_powerdown_mode MR Angle powerdown mode function.
void mrangle_powerdown_mode ( mrangle_t *ctx, mrangle_powerdown_mode_value_t pd_mode );

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;          /**< Logger config object. */
    mrangle_cfg_t mrangle_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.
    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 board™. 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 );
}

Application Output

This Click board can be interfaced and monitored in two ways:

  • Application Output - Use the "Application Output" window in Debug mode for real-time data monitoring. Set it up properly by following this tutorial.
  • UART Terminal - Monitor data via the UART Terminal using a USB to UART converter. For detailed instructions, check out this tutorial.

Additional Notes and Information

The complete application code and a ready-to-use project are available through the NECTO Studio Package Manager for direct installation in the NECTO Studio. The application code can also be found on the MIKROE GitHub account.