stepper25

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Stepper 25 Click

Stepper 25 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.

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Click Library

• Author : Stefan Filipovic
• Date : Feb 2025.
• Type : SPI type

Software Support

Example Description

This example demonstrates the operation of the Stepper 25 Click board, which is used to control a bipolar stepper motor. The application initializes the board and executes different step modes, directions, and speeds to showcase precise motor control.

Example Libraries

• MikroSDK.Board
• MikroSDK.Log
• Click.Stepper25

Example Key Functions

• stepper25_cfg_setup This function initializes Click configuration structure to initial values.

  void stepper25_cfg_setup ( stepper25_cfg_t *cfg );

• stepper25_init This function initializes all necessary pins and peripherals used for this Click board.

  err_t stepper25_init ( stepper25_t *ctx, stepper25_cfg_t *cfg );

• stepper25_default_cfg Click Default Configuration function.

  err_t stepper25_default_cfg ( stepper25_t *ctx );

• stepper25_set_direction This function sets the motor direction by setting the DIR pin logic state.

  void stepper25_set_direction ( stepper25_t *ctx, uint8_t dir );

• stepper25_set_step_mode This function sets the step mode (microstepping level) of the Stepper 25 device.

  err_t stepper25_set_step_mode ( stepper25_t *ctx, uint8_t step_mode );

• stepper25_drive_motor This function drives the motor for the specific number of steps at the selected speed.

  err_t stepper25_drive_motor ( stepper25_t *ctx, uint32_t steps, uint8_t speed );

Application Init

Initializes the logger and Stepper 25 Click board. Configures the motor driver with default settings, preparing it for stepper motor control.

void application_init ( void )
{
    log_cfg_t log_cfg;  
    stepper25_cfg_t stepper25_cfg;  

    LOG_MAP_USB_UART( log_cfg );
    log_init( &logger, &log_cfg );
    log_info( &logger, " Application Init " );
 
    // Click initialization.
    stepper25_cfg_setup( &stepper25_cfg );
    STEPPER25_MAP_MIKROBUS( stepper25_cfg, MIKROBUS_POSITION_STEPPER25 );
    if ( SPI_MASTER_ERROR == stepper25_init( &stepper25, &stepper25_cfg ) )
    {
        log_error( &logger, " Communication init." );
        for ( ; ; );
    }
    
    if ( STEPPER25_ERROR == stepper25_default_cfg ( &stepper25 ) )
    {
        log_error( &logger, " Default configuration." );
        for ( ; ; );
    }
    
    log_info( &logger, " Application Task " );
}

Application Task

Moves the stepper motor in different step modes and directions at varying speeds. The motor completes a predefined number of steps in each mode, switching between clockwise (CW) and counterclockwise (CCW) directions with different step resolutions.

void application_task ( void )
{
    log_printf ( &logger, " Step mode: 1/16\r\n" );
    log_printf ( &logger, " Direction: CW\r\n" );
    log_printf ( &logger, " Steps: 1600\r\n" );
    log_printf ( &logger, " Speed: Medium\r\n\n" );
    stepper25_set_direction ( &stepper25, STEPPER25_DIR_CW );
    stepper25_set_step_mode ( &stepper25, STEPPER25_STEP_MODE_1_OVER_16 );
    stepper25_drive_motor ( &stepper25, 1600, STEPPER25_SPEED_MEDIUM );
    Delay_ms ( 1000 );
 
    log_printf ( &logger, " Step mode: 1/8\r\n" );
    log_printf ( &logger, " Direction: CCW\r\n" );
    log_printf ( &logger, " Steps: 1600\r\n" );
    log_printf ( &logger, " Speed: Fast\r\n\n" );
    stepper25_set_direction ( &stepper25, STEPPER25_DIR_CCW );
    stepper25_set_step_mode ( &stepper25, STEPPER25_STEP_MODE_1_OVER_8 );
    stepper25_drive_motor ( &stepper25, 1600, STEPPER25_SPEED_FAST );
    Delay_ms ( 1000 );
 
    log_printf ( &logger, " Step mode: 1/4\r\n" );
    log_printf ( &logger, " Direction: CW\r\n" );
    log_printf ( &logger, " Steps: 400\r\n" );
    log_printf ( &logger, " Speed: Slow\r\n\n" );
    stepper25_set_direction ( &stepper25, STEPPER25_DIR_CW );
    stepper25_set_step_mode ( &stepper25, STEPPER25_STEP_MODE_QUARTER );
    stepper25_drive_motor ( &stepper25, 400, STEPPER25_SPEED_SLOW );
    Delay_ms ( 1000 );
}

Note

Ensure proper power supply and motor connections before running the example.

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.

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