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README.md

Introduction

This is a TIMER example that uses the PWM function of TIMER2_CH3(PB1) to control the buzzer to play some music.

How to use

Connect the buzzer

You need first connect the buzzer's positive electrode to the PB1 pin and negative electrode to the GND of RVSTAR board.

Build and run using Nuclei SDK

Here are the steps build and run in Nuclei SDK using command line.

# clone nuclei-sdk repo and cd to it
git clone https://github.com/Nuclei-Software/nuclei-sdk
cd nuclei-sdk
# Setup nuclei tools environment following https://doc.nucleisys.com/nuclei_sdk/quickstart.html#setup-tools-and-environment
# Assume you are in Windows, and have create and setup the setup_config.bat file
# source the nuclei tool environment
setup.bat
# clone nuclei-board-labs
git clone https://github.com/Nuclei-Software/nuclei-board-labs
cd nuclei-board-labs/
# cd to this example
cd rvstar/timer/timer_pwmout_buzzer
# Build this example for nuclei rvstar board
## clean this example first
make SOC=gd32vf103 BOARD=gd32vf103v_rvstar clean
## build this example
make SOC=gd32vf103 BOARD=gd32vf103v_rvstar all
## connect rvstar board using USB dongle, and make sure driver is setup correctly
## see https://rvmcu.com/column-topic-id-464.html
## upload this example
make SOC=gd32vf103 BOARD=gd32vf103v_rvstar upload
## debug this example
make SOC=gd32vf103 BOARD=gd32vf103v_rvstar debug

Then you can hear the buzzer starts play the music Litter Star.

You can also refer to this guide for more details:

Build and run using other tools

If you are not familar with command line, you can also create projects using Nuclei Studio and PlatformIO IDE, put this example code in the IDE and then build, upload and debug on it.

Create a project

You can create a project in Nuclei Studio IDE or PlatformIO IDE.

Copy the source code

Copy the main.c file from this directory and replace the existing application code in the IDE project directory.

Build and Upload

Connect RVSTAR board to your PC, build and upload the project and then you can hear the buzzer starts play the music Litter Star.

Reference