Stepper 23 Click

Stepper 23 Click is a compact add-on board designed to drive small stepping motors in consumer electronics and industrial equipment applications. This board features the TB67S569FTG, a BiCD constant-current 2-phase bipolar stepping motor driver IC from Toshiba Semiconductor. Key features include a PWM chopper-type 2-phase bipolar drive system, high withstand voltage of up to 34V operating, and a maximum operating current of 1.8A per phase. The board also integrates safety mechanisms such as over-temperature, over-current, and low-supply voltage detection. Additional control is provided by the PCA9555A port expander via I2C, enabling functions like decay and torque modes, step resolution settings, and many more.

Click Product page

Click library

• Author : Stefan Filipovic
• Date : Jun 2024.
• Type : I2C type

Software Support

We provide a library for the Stepper 23 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 Stepper 23 Click driver.

Standard key functions :

• stepper23_cfg_setup Config Object Initialization function.

  void stepper23_cfg_setup ( stepper23_cfg_t *cfg );

• stepper23_init Initialization function.

  err_t stepper23_init ( stepper23_t *ctx, stepper23_cfg_t *cfg );

• stepper23_default_cfg Click Default Configuration function.

  err_t stepper23_default_cfg ( stepper23_t *ctx );

Example key functions :

• stepper23_set_direction This function sets the motor direction by setting the DIR pin logic state.

  void stepper23_set_direction ( stepper23_t *ctx, uint8_t dir );

• stepper23_set_step_mode This function sets the step mode resolution settings.

  err_t stepper23_set_step_mode ( stepper23_t *ctx, uint8_t mode );

• stepper23_drive_motor This function drives the motor for the specific number of steps at the selected speed.

  void stepper23_drive_motor ( stepper23_t *ctx, uint32_t steps, uint8_t speed );

Example Description

This example demonstrates the use of the Stepper 23 Click board by driving the motor in both directions for a desired number of steps.

The demo application is composed of two sections :

Application Init

Initializes the driver and performs the Click default configuration.

void application_init ( void )
{
    log_cfg_t log_cfg;  /**< Logger config object. */
    stepper23_cfg_t stepper23_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.
    stepper23_cfg_setup( &stepper23_cfg );
    STEPPER23_MAP_MIKROBUS( stepper23_cfg, MIKROBUS_1 );
    if ( I2C_MASTER_ERROR == stepper23_init( &stepper23, &stepper23_cfg ) ) 
    {
        log_error( &logger, " Communication init." );
        for ( ; ; );
    }

    if ( STEPPER23_ERROR == stepper23_default_cfg ( &stepper23 ) )
    {
        log_error( &logger, " Default configuration." );
        for ( ; ; );
    }

    log_info( &logger, " Application Task " );
}

Application Task

Drives the motor clockwise for 200 full steps and then counter-clockiwse for 200 half steps and 400 quarter steps with a 1 second delay on driving mode change. All data is being logged on the USB UART where you can track the program flow.

void application_task ( void )
{
    log_printf ( &logger, " Move 200 full steps clockwise, speed: slow\r\n\n" );
    stepper23_set_direction ( &stepper23, STEPPER23_DIR_CW );
    stepper23_set_step_mode ( &stepper23, STEPPER23_MODE_FULL_STEP );
    stepper23_drive_motor ( &stepper23, 200, STEPPER23_SPEED_SLOW );
    Delay_ms ( 1000 );

    log_printf ( &logger, " Move 200 half steps counter-clockwise, speed: medium\r\n\n" );
    stepper23_set_direction ( &stepper23, STEPPER23_DIR_CCW );
    stepper23_set_step_mode ( &stepper23, STEPPER23_MODE_HALF_STEP_TYPE_A );
    stepper23_drive_motor ( &stepper23, 200, STEPPER23_SPEED_MEDIUM );
    Delay_ms ( 1000 );

    log_printf ( &logger, " Move 400 quarter steps counter-clockwise, speed: fast\r\n\n" );
    stepper23_set_direction ( &stepper23, STEPPER23_DIR_CCW );
    stepper23_set_step_mode ( &stepper23, STEPPER23_MODE_QUARTER_STEP );
    stepper23_drive_motor ( &stepper23, 400, STEPPER23_SPEED_FAST );
    Delay_ms ( 1000 );
}

The full application code, and ready to use projects can be installed directly from NECTO Studio Package Manager(recommended way), downloaded from our LibStock™ or found on Mikroe github account.

Other Mikroe Libraries used in the example:

• MikroSDK.Board
• MikroSDK.Log
• Click.Stepper23

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. UART terminal is available in all MikroElektronika compilers.