ST X-NUCLEO-IHM14A1 Manuale utente

Version 1.0 (Oct 18, 2017)

Quick Start Guide

Stepper motor driver expansion board based on STSPIN820 for STM32

Nucleo

(X-NUCLEO-IHM14A1)

Quick Start Guide Contents 2

X-NUCLEO-IHM14A1: Stepper motor driver expansion board

Hardware and Software overview

Setup & Demo Examples

Documents & Related Resources

STM32 Open Development Environment: Overview

Arduino UNO R3 connector

Low voltage stepper motor driver expansion board

Hardware overview 3

X-NUCLEO-IHM14A1 Hardware Description

•The X-NUCLEO-IHM14A1 motor driver expansion

board is based on the STSPIN820 monolithic driver

for stepper motors.

•It represents an affordable, easy-to-use solution for

driving stepper motors in your STM32 Nucleo project,

implementing motor driving applications such as

2D/3D printers, robotics and security cameras.

•The STSPIN820 implements a PWM current control

with constant OFF time adjustable via an external

resistor and a microstepping resolution up to the

256th step.

•The X-NUCLEO-IHM14A1 expansion board is

compatible with the Arduino UNO R3 connector and

the ST morpho connector, so it can be plugged to the

STM32 Nucleo development board and stacked with

additional X-NUCLEO expansion boards.

(*) Not mounted

STSPIN820 ST morpho connector*

Key Products on board

STSPIN820

Advanced 256 microsteps integrated motor driver

with step-clock and direction interface

Supply and motor connector

Latest info available at www.st.com

X-NUCLEO-IHM14A1

Low voltage stepper motor driver expansion board

Software overview 4

X-CUBE-SPN14 Software Description

The X-CUBE-SPN14 expansion package for STM32Cube

gives you full control of stepper motor operations. When

combined with one or more X-NUCLEO-IHM14A1 expansion

boards, this software allows a compatible STM32 Nucleo board

to control one or more stepper motors. It is built on top of

STM32Cube software technology for easy portability across

different STM32 microcontrollers. The software comes with a

sample implementation for one stepper motor. It is compatible

with STM32 NUCLEO-F401RE, NUCLEO-F334R8, NUCLEO-

F030R8 or NUCLEO-L053R8 boards with an X-NUCLEO-

IHM14A1 expansion board mounted on top.

Key features

•A driver layer for complete management of the STSPIN820

(low power stepper motor driver) device integrated in

theXNUCLEOIHM14A1 expansion board

•Device parameter read and write modes, GPIO, PWM and

IRQ configuration, micro-stepping, direction position, speed,

acceleration, deceleration and torque controls; automatic

full-step switch management, high impedance or hold stop

mode selection, enable and stand-by management

•Fault interrupt handling

•Single stepper motor control sample application

•Easy portability across different MCU families, thanks to

STM32Cube

•Free, user-friendly license terms

Latest info available at www.st.com

X-CUBE-SPN14

Overall Software Architecture

Quick Start Guide Contents 5

X-NUCLEO-IHM14A1: Stepper motor driver expansion board

Hardware and Software overview

Setup & Demo Examples

Documents & Related Resources

STM32 Open Development Environment: Overview

NUCLEO-F401RE

NUCLEO-F334R8

NUCLEO-F030R8

NUCLEO-L053R8

Setup & Demo examples

Hardware prerequisites

•1x Stepper motor expansion board

(X-NUCLEO-IHM14A1)

•1x STM32 Nucleo development board

(NUCLEO-F401RE or NUCLEO-F334R8 or NUCLEO-F030R8 or NUCLEO-L053R8)

•1x stepper motor

•1x external DC power supply with two electric cables (*)

•1x Windows 8/7 - Laptop/PC

•1x USB type A to Mini-B USB cable

(*) Power stage supply voltage from 7 V to 45 V

Mini USB Cable X-NUCLEO-IHM14A1

Stepper motor

Setup & demo examples

Software prerequisites

•STSW-LINK009: ST-LINK/V2-1 USB driver

•STSW-LINK007: ST-LINK/V2-1 firmware upgrade

•A Windows PC with one of the supported development toolchains:

•KEIL: MDK-ARM

•IAR: EWARM

•GCC-based IDE: System Workbench for STM32

•X-CUBE-SPN14: software expansion for STM32Cube

Stepper motor driver expansion board

Start coding in just a few minutes with X-CUBE-SPN14 8

3On the X-NUCLEO-IHM14A1

•Tune VREF potentiometer to adjust the

reference voltage.

Driving one stepper motor with X-NUCLEO-IHM14A1 and X-CUBE-SPN14

1Plug the X-NUCLEO-IHM14A1 on the STM32 Nucleo board using theArduino UNO

R3 connector and connect the stepper motor (A+/- and B+/-) and the power supply

(VIN\GND) to the CN1 connector.

2Connect the STM32 Nucleo board to the PC through the USB cable.

Stepper motor driver expansion board

Start coding in just a few minutes with X-CUBE-SPN14 9

4Depending on your STM32 Nucleo board, from the examples folder

(\stm32_cube\Projects\Multi\Examples\MotionControl\IHM14A1_ExampleFor1Motor)

open the software project from:

•\YourToolChainName\STM32F401RE-Nucleo for Nucleo based on STM32F401

•\YourToolChainName\STM32F334R8-Nucleo for Nucleo based on STM32F334

•\YourToolChainName\STM32F030R8-Nucleo for Nucleo based on STM32F030

•\YourToolChainName\STM32L053R8-Nucleo for Nucleo based on STM32L053

5Open the file:

stm32_cube\Drivers\BSP\Components\STSPIN820\STSPIN820_target_config.h.

and modify the parameters according to your target configuration.

6Build the project and download it into the STM32 memory.

7Run the example. The motor automatically starts (see main.c for a detailed

demo sequence).

Documents & related resources

X-NUCLEO-IHM14A1:

•Gerber files, BOM, and schematics

•DB3416:Stepper motor driver expansion board based on STSPIN820 for STM32 Nucleo–Data

brief

•UM2299: Getting started with the X-NUCLEO-IHM14A1 stepper motor driver expansion board

based on STSPIN820 for STM32 Nucleo –User manual

X-CUBE-SPN14:

•DB3417:Stepper motor driver software expansion for STM32Cube –Data brief

•UM2300: Getting started with X-CUBE-SPN14 stepper motor driver software expansion for

STM32Cube –User manual

•Software setup file

All documents are available in the DESIGN tab of the related products webpage

Consult www.st.com for the complete list

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