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STM32 Nucleo-64 BSP Introduction

This document records the instruction of the BSP (board support package) that provided by the RT-Thread development team for the STM32 Nucleo-64 development boards.

The document is covered in three parts:

Resources Introduction
Quickly Get Started
Advanced Features

By reading the Quickly Get Started section developers can quickly get their hands on this BSP and run RT-Thread on the board. More advanced features will be introduced in the Advanced Features section to help developers take advantage of RT-Thread to drive more on-board resources.

Resources Introduction

Description

The STM32 Nucleo-64 board provides an affordable and flexible way for users to try out new concepts and build prototypes by choosing from the various combinations of performance and power consumption features, provided by the STM32 microcontroller. For the compatible boards, the external SMPS significantly reduces power consumption in Run mode. The ARDUINO® Uno V3 connectivity support and the ST morpho headers allow the easy expansion of the functionality of the STM32 Nucleo open development platform with a wide choice of specialized shields. The STM32 Nucleo-64 board does not require any separate probe as it integrates the ST-LINK debugger/programmer. The STM32 Nucleo-64 board comes with the STM32 comprehensive free software libraries and examples available with the STM32Cube MCU Package.

Features

Common features
- STM32 microcontroller in LQFP64 package
- 1 user LED shared with ARDUINO®
- 1 user and 1 reset push-buttons
- 32.768 kHz crystal oscillator
- Board connectors:
  - ARDUINO® Uno V3 expansion connector
  - ST morpho extension pin headers for full access to all STM32 I/Os
- Flexible power-supply options: ST-LINK, USB VBUS, or external sources
- On-board ST-LINK debugger/programmer with USB re-enumeration capability: mass storage, Virtual COM port and debug port
- Comprehensive free software libraries and examples available with the STM32Cube MCU Package
- Support of a wide choice of Integrated Development Environments (IDEs) including IAR Embedded Workbench®, MDK-ARM, and STM32CubeIDE
Board-specific features
- External SMPS to generate Vcore logic supply
- 24 MHz HSE – Board connectors:
  - External SMPS experimentation dedicated connector
  - Micro-AB or Mini-AB USB connector for the ST-LINK
  - MIPI® debug connector
- Arm® Mbed Enabled™ compliant

For more details about these boards, please refer to ST Nucleo Official Website.

Quickly Get Started

This BSP provides MDK4, MDK5, and IAR projects for developers and it supports the GCC development environment. Here's an example of the MDK5 development environment, to introduce how to run the system.

Hardware connection

Use a Type-A to Mini-B cable to connect the development board to the PC and turn on the power switch. The LD3 (PWR) and LD1 (COM) will light.

Compile and Download

Double-click the project.uvprojx file to open the MDK-Keil5 project (NOT template.uvprojx file)
Click the “option for target” button
- Debug: Choose "ST-LINK Debugger" and Click "Setting" button:
  - Port: choose "SW (Serial Wire)"
  - Flash Download: check "Reset and Run"
Compile and download the program to the board

Running Results

After the program is successfully downloaded, the system runs automatically. Observe the running results of the LED on the development board, the LD3 and LD1 will light all the time, and LD2 will flash periodically.

The USB virtual COM port connects to USART2 by default, and when the corresponding serial port (115200-8-1-N) is opened in the terminal tool, the output information of RT-Thread can be seen when the device is reset:

 \ | /
- RT -     Thread Operating System
 / | \     4.0.0 build Dec 21 2018
 2006 - 2018 Copyright by rt-thread team
msh >

Terminal tool - PuTTy

If you don't have a terminal tool software available, you can download PuTTy:

https://www.chiark.greenend.org.uk/~sgtatham/putty/latest.html

Follow these tutorial videos to learn PuTTy:

https://www.youtube.com/watch?v=ab4ilbsteWU

https://www.youtube.com/watch?v=dO-BMOzNKcI

Advanced Features

This BSP only enables GPIO and USART2 by default. If you need more advanced features such as SPI, I2C, you need to configure the BSP with RT-Thread ENV tool , as follows:

Open the Env tool under the specific BSP folder;
Enter menuconfig command to configure the project, then save and exit;
Enter pkgs --update command to update the package;
Enter scons --target=mdk4/mdk5/iar command to regenerate the project.

Learn how to use RT-Thread Env, click Here.

Translated & Maintained By

Cathy Lee @ RT-Thread Team

https://github.com/Cathy-lulu

contact@rt-thread.org

Meco Man @ RT-Thread Community

jiantingman@foxmail.com

https://github.com/mysterywolf

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