ST STM32F072 Manuale utente

January 2014 DocID025256 Rev 1 1/9

UM1674

User manual

Getting started with the STM32F072 Discovery kit

Introduction

This document describes the software, firmware environment and development

recommendations required to build an application around the STM32F072 Discovery kit

(32F072BDISCOVERY) with demonstration firmware (STSW-STM32139).

The STM32F072 Discovery kit is a low-cost and easy-to-use development kit to quickly

evaluate and start applications with an STM32F0 series ARM®32-bit Cortex™-M0

high-performance microcontroller. Before installing and using the product, please accept the

Evaluation Product License Agreement from www.st.com/stm32f0-discovery.

For more information on the STM32F072 Discovery kit, visit www.st.com/stm32f0-discovery.

To order the STM32F072 Discovery kit, use the STM32F072B-DISCO order code.

Figure 1. STM32F072 Discovery board: STM32F072B-DISCO

References

STM32F072x datasheet

STM32F0x1/STM32F0x2/STM32F0x8 advanced ARM®-based 32-bit MCUs reference

manual (RM0091)

Discovery kit for STM32F072 line (UM1690)

Getting started with STM32F072 Discovery software development tools

Forum: user questions/discussion

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Contents UM1674

2/9 DocID025256 Rev 1

Contents

1 Quick start . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

1.1 Hardware requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

1.2 Run pre-loaded demo . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

2 Firmware package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

2.1 Package description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

2.2 Programming firmware application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

2.2.1 IDE requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

2.2.2 Programming application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

3 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

DocID025256 Rev 1 3/9

UM1674 List of figures

List of figures

Figure 1. STM32F072 Discovery board: STM32F072B-DISCO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Figure 2. Hardware environment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Figure 3. Package contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Quick start UM1674

4/9 DocID025256 Rev 1

1 Quick start

The STM32F072 Discovery kit demonstration software is already preloaded in the Flash

memory on the board. The latest versions of the source code and associated

documentation can be downloaded from www.st.com/stm32f0-discovery.

This document describes step-by-step how to start using the STM32F072 Discovery kit

demonstration.

1.1 Hardware requirements

To configure the STM32F072B-DISCO board and start the demo, two ‘USB type A to

Micro-B’ cables are required. Connect them between the host PC and the board as follows:

USB connector CN1: to power on the STM32F072B-DISCO board from the USB

ST-LINK

USB connector CN2: to connect the board to the host PC as a USB Device

Establish the connection with the STM32F072 Discovery board as shown in Figure 2.

Check jumper positions on the board, JP2 and CN5 are set to ON (Discovery mode).

Figure 2. Hardware environment

DocID025256 Rev 1 5/9

UM1674 Quick start

1.2 Run pre-loaded demo

Follow the sequence below (Function 0 to Function 3) to launch the demo application:

Function 1 is executed and each click on user button B1 changes the executed function

as shown in Table 1.

The following is the detailed procedure and description of each function.

Function 0:

When connecting the STM32F072 Discovery board to a PC, the LEDs LD1 (COM)

and LD2 (PWR) will light up and four LEDs LD3, LD4, LD5, LD6 are blinking.

Function 1:

Press the User button B1 to enable the gyroscope MEMS sensor (L3GD20). The

four LEDs will indicate the board motion, direction and speed.

Function 2:

Connect STM32F072 Discovery board to a PC with a 'USB type A to Micro-B'

cable through USB connector CN2 (USB USER). This converts the board to a

standard mouse. Press User button to start the USB test. Move the STM32F072

Discovery board and see the mouse move according to the board movement.

Function 3:

Press the User button again to enable the linear touch sensor; the four LEDs will

be ON or Off according to the position of the fingertip on the linear touch sensor.

Table 1. STM32F072B-DISCO functions and LEDs

Function LED Displayed description Main function

0LD3/4/5/6

blinking Four LEDs LD3, LD4, LD5,LD6 are blinking LEDs blinking

1LD3/4/5/6

ON or OFF The four LEDs will indicate the board movement. MEMS sensor

2LD3/6

blinking

Connect a second USB type A to Micro-B cable

between CN2 and the PC, then observe the mouse

cursor moving according to the board movement.

Standard mouse

3LD3/4/5/6

ON or OFF

The LEDs will light up according to the position of the

user’s fingertip on the linear touch sensor. Linear sensor

Firmware package UM1674

6/9 DocID025256 Rev 1

2 Firmware package

To get started with the STM32F072 Discovery kit, a firmware package that contains a set of

IP examples and demos of some features is available at www.st.com/stm32f0-discovery.

2.1 Package description

The STM32F072 Discovery firmware applications and related documentation are provided

in one single package and supplied in one single ZIP file. The extraction of the ZIP file

generates one folder, STM32F072B-Discovery_FW_VX.Y.Z, which contains the following

subfolders:

Figure 3. Package contents

Libraries folder:

CMSIS subfolder: Cortex-M0 CMSIS files

STM32_USB_Device_Driver subfolder: USB device low-level driver

STM32_USB_Device_Library subfolder: USB device library core and class drivers

STM32F0xx_StdPeriph_Driver subfolder: standard peripherals drivers

STMTouch subfolder: STMTouch drivers

DocID025256 Rev 1 7/9

UM1674 Firmware package

Project folder:

Demonstration subfolder: firmware of preloaded demo

Master_Workspace subfolder: common project for all examples

Peripheral_Examples subfolder: examples ready to run

Template subfolder: pre-configured project templates

Utilities folder:

STM32F072-Discovery subfolder: for the abstraction layer of the supported board

The user can run examples provided within this package. A set of examples for each

peripheral are ready to be run.

2.2 Programming firmware application

2.2.1 IDE requirements

To start programming, user must:

Install the preferred Integrated Development Environment (IDE).

Install the ST-LINK/V2 driver from the ST web site.

Note: Required information to download and install desired IDE and ST-LINK/V2 are detailed in

Getting started with STM32F072 Discovery software development tools.

2.2.2 Programming application

Several IP examples are provided with the firmware package (see Figure 3) under

STM32F072B-Discovery_FW_VX.Y.Z /Projects/ and the user must use one of the three tool

chains supported to program applications on the STM32F072B-DISCO board.

To program the Template example, follow the sequence below:

1. Open application folder STM32F072B-Discovery_FW_VX.Y.Z /Projects/Template.

2. Select the desired IDE project (EWARM for IAR, MDK-ARM for Keil or TrueSTUDIO for

Atollic).

3. Double click on the project file (for example, Template.eww for EWARM).

4. Rebuild all files: Project->Rebuild all.

5. Load project image: Project->Debug.

6. Run program: Debug->Go.

The demo software, as well as other software examples that allow you to discover the

STM32 F0 series features, are available at www.st.com/stm32f0-discovery.

Revision history UM1674

8/9 DocID025256 Rev 1

3 Revision history

Table 2. Document revision history

Date Revision Changes

14-Jan-2014 1 Initial release.

DocID025256 Rev 1 9/9

UM1674

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