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mikroSDK Library

Stepper 14 Click

Rating:

5

Author: MIKROE

Last Updated: 2020-07-01

Package Version: 1.0.0.0

mikroSDK Library: 1.0.0.0

Category: Stepper

Downloaded: 2914 times

Not followed.

License: MIT license  

The Stepper 14 Click is a Click board that features the DRV8847PWPR, a step motor driver, from Texas Instruments. This Click boardâ„¢ provides a bipolar step motor controle, It features an H-bridge bipolar step motor driver, which supports full-, half-, quarter-, or eighth-step modes.

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  • mikroSDK Library 2.0.0.0
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mikroSDK Library Blog

Stepper 14 Click

Stepper 14 Click

Native view of the Stepper 14 Click board.

View full image
Stepper 14 Click

Stepper 14 Click

Front and back view of the Stepper 14 Click board.

View full image

Library Description

The library covers all the necessary functions that enables the usage of the Stepper 14 Click board. It initializes and defines the I2C driver and drivers that allow full control of the device to the user. User can use the device to control forward and reverse motion, apply brake and coast functions for brushless dc motors, and forward and reverse motion in full step and half step for stepper motors.

Key functions:

  • void stepper14_step_motor ( uint8_t interface, uint8_t direction, uint32_t steps_no ); - Function is used to drive two or four wire stepper motor in user defined direction, one step at a time.
  • void stepper14_set_half_step ( uint8_t hl_step ); - Function is used to set specific half step.
  • void stepper14_control_mode_set ( uint8_t mode ); - Function is used to set mode of operation.

Examples description

The application is composed of three sections :

  • System Initialization - Initializes I2C module, LOG and GPIO structures, sets INT pin as input and RST and CS pins as output.
  • Application Initialization - Initalizes I2C driver, applies setup for 4-pin interface and writes an initial log.
  • Application Task - (code snippet) Demonstrates use of Stepper 14 click board by driving NEMA 17 stepper motor one turn forward and then one turn backward.
void application_task ( )
{
    mikrobus_logWrite( " Stepper motor makes one turn forward ", _LOG_LINE );
    stepper14_step_motor( STEPPER14_4_PIN_INTERFACE, STEPPER14_DIR_CW, 200 );
    Delay_ms( 1000 );
    
    mikrobus_logWrite( " Stepper motor makes one turn backward ", _LOG_LINE );
    stepper14_step_motor( STEPPER14_4_PIN_INTERFACE, STEPPER14_DIR_CCW, 200 );
    Delay_ms( 1000 );
}

Other mikroE Libraries used in the example:

  • I2C
  • UART

Additional notes and informations

Depending on the development board you are using, you may need USB UART clickUSB 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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