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mikroSDK Library

Brushless 9 click

Rating:

0

Author: MIKROE

Last Updated: 2024-01-31

Package Version: 2.1.0.13

mikroSDK Library: 2.0.0.0

Category: Brushless

Downloaded: 115 times

Not followed.

License: MIT license  

Brushless 9 Click is a compact add-on board suitable for controlling BLDC motors with any MCU. This board features the TC78B027FTG, a 1-Hall sine-wave PWM controller for three-phase brushless DC motors from Toshiba Semiconductor. It simplifies the motor selection by using only one Hall sensor input that can be used with either a single Hall sensor motor or the more conventional 3 Hall sensor motors.

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mikroSDK Library Blog


Brushless 9 click

Brushless 9 Click is a compact add-on board suitable for controlling BLDC motors with any MCU. This board features the TC78B027FTG, a 1-Hall sine-wave PWM controller for three-phase brushless DC motors from Toshiba Semiconductor. It simplifies the motor selection by using only one Hall sensor input that can be used with either a single Hall sensor motor or the more conventional 3 Hall sensor motors.

brushless-9-click-necto.png

click Product page


Click library

  • Author : Luka Filipovic
  • Date : Dec 2020.
  • Type : PWM type

Software Support

We provide a library for the Brushlesss9 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 Brushlesss9 Click driver.

Standard key functions :

  • brushless9_cfg_setup Config Object Initialization function.

    void brushless9_cfg_setup ( brushless9_cfg_t *cfg );
  • brushless9_init Initialization function.

    err_t brushless9_init ( brushless9_t *ctx, brushless9_cfg_t *cfg );

Example key functions :

  • brushless9_set_duty_cycle This function sets the PWM duty cycle in percentages ( Range[ 0..1 ] ).

    err_t brushless9_set_duty_cycle ( brushless9_t *ctx, float duty_cycle );
  • brushless9_set_dir This function sets dir pin output to status setting.

    void brushless9_set_dir ( brushless9_t *ctx, uint8_t state );
  • brushless9_set_brk This function sets brk pin output to status setting.

    void brushless9_set_brk ( brushless9_t *ctx, uint8_t state );

Example Description

This application is a showcase of controlling speed and direction of brushless motor with hall sensor.

The demo application is composed of two sections :

Application Init

Initialization of LOG, PWM module and additional pins for controlling motor.


void application_init ( void )
{
    log_cfg_t log_cfg;  /**< Logger config object. */
    brushless9_cfg_t brushless9_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.
    brushless9_cfg_setup( &brushless9_cfg );
    BRUSHLESS9_MAP_MIKROBUS( brushless9_cfg, MIKROBUS_1 );
    err_t init_flag  = brushless9_init( &brushless9, &brushless9_cfg );
    if ( init_flag == PWM_ERROR )
    {
        log_error( &logger, " Application Init Error. " );
        log_info( &logger, " Please, run program again... " );

        for ( ; ; );
    }

    brushless9_set_dir( &brushless9, direction );
    brushless9_set_brk( &brushless9, 1 );

    brushless9_set_duty_cycle ( &brushless9, 0 );
    brushless9_pwm_start( &brushless9 );
    log_info( &logger, " Application Task " );
}

Application Task

In span of 2 seconds changes duty cycle from 0 to 100% and then back to 0, at the end changes direction of motor.


void application_task ( void )
{
    log_info( &logger, " Starting... " );
    brushless9_set_brk( &brushless9, 0 );
    for ( uint8_t duty_cnt = 1; duty_cnt < 10; duty_cnt++ )
    {
        Delay_ms( DUTY_CHANGE_DELAY );
        brushless9_set_duty_cycle ( &brushless9, ( float ) duty_cnt / 10.0 );
        log_printf( &logger, "Duty cycle: %u%%\r\n", ( uint16_t ) ( duty_cnt * 10 ) );
    }

    for ( uint8_t duty_cnt = 10; duty_cnt > 0; duty_cnt-- )
    {
        Delay_ms( DUTY_CHANGE_DELAY );
        brushless9_set_duty_cycle ( &brushless9, ( float ) duty_cnt / 10.0 );
        log_printf( &logger, "Duty cycle: %u%%\r\n", ( uint16_t ) ( duty_cnt * 10 ) );
    }

    Delay_ms( DUTY_CHANGE_DELAY );
    log_info( &logger, " Stopping... " );
    brushless9_set_duty_cycle ( &brushless9, 0 );
    brushless9_set_brk( &brushless9, 1 );
    Delay_ms( BREAK_DELAY );
    log_info( &logger, " Changing direction... " );
    direction = !direction;
    brushless9_set_dir( &brushless9, direction );
}

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.Brushless9

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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