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mikroSDK Library

Brushless Click

Rating:

0

Author: MIKROE

Last Updated: 2024-10-31

Package Version: 2.1.0.19

mikroSDK Library: 2.0.0.0

Category: Brushless

Downloaded: 495 times

Not followed.

License: MIT license  

Brushless Click carries Toshiba's TB6575FNG IC for driving 3-phase full-wave Brushless DC motors — which are ideal for powering flying drones. The Click is able to safely drive external motors with up to 32V/2A. The board features three pairs of onboard screw terminals. VBAT is for connecting an external 7-32V DC power supply.

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  • mikroSDK Library 1.0.0.0
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mikroSDK Library Blog


Brushless Click

Brushless Click carries Toshiba's TB6575FNG IC for driving 3-phase full-wave Brushless DC motors — which are ideal for powering flying drones. The Click is able to safely drive external motors with up to 32V/2A. The board features three pairs of onboard screw terminals. VBAT is for connecting an external 7-32V DC power supply.

brushless_click.png

Click Product page


Click library

  • Author : Nikola peric
  • Date : Feb 2022.
  • Type : PWM type

Software Support

We provide a library for the Brushless 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 Brushless Click driver.

Standard key functions :

  • Config Object Initialization function.

    void brushless_cfg_setup ( brushless_cfg_t *cfg );

  • Initialization function.

    BRUSHLESS_RETVAL brushless_init ( brushless_t ctx, brushless_cfg_t cfg );

  • Click Default Configuration function.

    void brushless_default_cfg ( brushless_t *ctx );

Example key functions :

  • This function sets the spin direction of the motor to clockwise.

    void brushless_spin_clockwise ( brushless_t *ctx );

  • This function sets the spin direction of the motor to counter clockwise.

    void brushless_spin_counter_clockwise ( brushless_t *ctx );

  • This function reads the digital input of the INT pin.

    uint8_t brushless_read_rotation_speed_sensor_output ( brushless_t *ctx );

Examples Description

This example showcases how to initialize and use the Brushless Click. The Click has a brushless motor driver which controls the work of the motor through the BLDC terminal. In order for this example to work a motor and a power supply are needed.

The demo application is composed of two sections :

Application Init

This function initializes and configures the logger and Click modules.


void application_init ( )
{
    log_cfg_t log_cfg;
    brushless_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 ----" );
    Delay_ms ( 100 );

    //  Click initialization.
    brushless_cfg_setup( &cfg );
    BRUSHLESS_MAP_MIKROBUS( cfg, MIKROBUS_1 );
    Delay_ms ( 100 );

    brushless_init( &brushless, &cfg );
    brushless_pwm_start( &brushless );
    log_info( &logger, "---- Application Task ----" );
    Delay_ms ( 1000 );
}

Application Task

This is an example that demonstrates the use of a Brushless Click board. Brushless Click communicates with the register via the PWM interface. It shows moving in the left direction from slow to fast speed and from fast to slow speed. Results are being sent to the Usart Terminal where you can track their changes.


void application_task ( )
{    
    static int8_t duty_cnt = 1;
    static int8_t duty_inc = 1;
    float duty = duty_cnt / 10.0;

    if ( brushless_direction == 1 )
    {
        brushless_spin_clockwise ( &brushless );
        log_printf( &logger, "<<<< " );
    }
    else
    {
        brushless_spin_counter_clockwise ( &brushless );
        log_printf( &logger, ">>>> " );
    }

    brushless_set_duty_cycle ( &brushless, duty );
    log_printf( &logger, "Duty: %d%%\r\n", ( uint16_t )( duty_cnt * 10 ) );
    Delay_ms ( 500 );

    if ( 10 == duty_cnt ) 
    {
        duty_inc = -1;
    }
    else if ( 0 == duty_cnt ) 
    {
        duty_inc = 1;

        if ( brushless_direction == 1 )
        {
            brushless_direction = 0;
        }
        else if ( brushless_direction == 0 )
        {
            brushless_direction = 1;
        }
    }
    duty_cnt += duty_inc;
}

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.Brushless

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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