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mikroSDK Library

TMR Angle Click

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Author: MIKROE

Last Updated: 2024-10-31

Package Version: 2.1.0.16

mikroSDK Library: 2.0.0.0

Category: Magnetic

Downloaded: 341 times

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License: MIT license  

TMR Angle Click is a Click board perfectly suited for developing applications that range from steering angle applications with the highest functional safety requirements to motors for wipers, pumps and actuators and electric motors in general.

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  • mikroSDK Library 1.0.0.0
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mikroSDK Library Blog


TMR Angle Click

TMR Angle Click is a Click board� perfectly suited for developing applications that range from steering angle applications with the highest functional safety requirements to motors for wipers, pumps and actuators and electric motors in general.

tmrangle_click.png

Click Product page


Click library

  • Author : MikroE Team
  • Date : Dec 2019.
  • Type : SPI type

Software Support

We provide a library for the TMRAngle 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 form compilers IDE(recommended way), or downloaded from our LibStock, or found on mikroE github account.

Library Description

This library contains API for TMRAngle Click driver.

Standard key functions :

  • Config Object Initialization function.

    void tmrangle_cfg_setup ( tmrangle_cfg_t *cfg );

  • Initialization function.

    TMRANGLE_RETVAL tmrangle_init ( tmrangle_t ctx, tmrangle_cfg_t cfg );

  • Click Default Configuration function.

    void tmrangle_default_cfg ( tmrangle_t *ctx );

Example key functions :

  • Function read and stores negative and positive, sine and cosine parameters data.

    void tmrangle_init_sensor_data ( tmrangle_t* ctx );

  • This function will extract the maximum, minimum voltage levels, amplitude, offset, and orthogonality.

    void tmrangle_calibration_find_param ( tmrangle_t ctx, tmrangle_calib_data_t calib_param );

  • Function calculates the calibrated angle in degrees and this structure holds the current sensor calibration parameters.

    float tmrangle_get_calib_angle ( tmrangle_calib_data_t* calib_param );

Examples Description

This example reads and value in deegres, and then logs the result.

The demo application is composed of two sections :

Application Init

Initializes driver, and also write log.


void application_init ( void )
{
    log_cfg_t log_cfg;
    tmrangle_cfg_t cfg;

    /** 
     * 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.

    tmrangle_cfg_setup( &cfg );
    TMRANGLE_MAP_MIKROBUS( cfg, MIKROBUS_1 );
    tmrangle_init( &tmrangle, &cfg );

}

Application Task

Reads angle value in degrees and logs the results.


void application_task ( void )
{
    float angle;
    trigonometry_t trig_set;
    tmrangle_calib_data_t calibration_store_params;
    tmrangle_init_sensor_data( &tmrangle );

    trig_set.max_diff_sin = TMRANGLE_MAX_DIFF_SIN;
    trig_set.max_diff_cos = TMRANGLE_MAX_DIFF_COS;
    trig_set.min_diff_sin = TMRANGLE_MIN_DIFF_SIN;
    trig_set.min_diff_cos = TMRANGLE_MIN_DIFF_COS;
    trig_set.sin_45 = TMRANGLE_SIN_45;
    trig_set.cos_45 = TMRANGLE_COS_45;
    trig_set.sin_135 = TMRANGLE_SIN_135;
    trig_set.cos_135 = TMRANGLE_COS_135;

    tmrangle_init_calib_data( &tmrangle, &calibration_store_params, &trig_set );
    tmrangle_calibration_find_param( &tmrangle, &calibration_store_params );

    angle = tmrangle_get_calib_angle( &tmrangle, &calibration_store_params );

    log_printf( &logger, "Angle is %f deg\r\n", angle );

    Delay_ms ( 1000 );
}  

The full application code, and ready to use projects can be installed directly form compilers IDE(recommneded) or found on LibStock page or mikroE GitHub accaunt.

Other mikroE Libraries used in the example:

  • MikroSDK.Board
  • MikroSDK.Log
  • Click.TMRAngle

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.


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