sTodo-m5paper-client/libraries/M5GFX/examples/PlatformIO_SDL/README.md
2025-06-30 20:47:33 +02:00

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# Steps to run M5GFX on a PC. ( VisualStudioCode + PlatformIO + SDL2 environment. )
## Step 1. install Visual Studio Code and make PlatformIO ready for use.
https://docs.m5stack.com/ja/quick_start/m5unified/intro_vscode
---
## Step 2. PlatformIO to allow `platform = native` to be built.
https://docs.platformio.org/en/latest/platforms/native.html#installation
#### for Windows
follow the [MSYS2](https://www.msys2.org/) installation guide .
Run the following command on msys2 to install gcc and gdb .
``` msys2
pacman -S mingw-w64-ucrt-x86_64-gcc mingw-w64-ucrt-x86_64-gdb
```
Add the following paths to the `PATH` system environment variable:
```
C:\msys64\mingw64\bin
C:\msys64\ucrt64\bin
C:\msys64\usr\bin
```
#### for Linux
open the system terminal and run the following commands:
```
sudo apt update
sudo apt install build-essential
```
#### for macOS
open the system terminal and install Xcode Command Line Tools
```
xcode-select --install
```
---
## Step 3. Enable `SDL2` on PlatformIO.
#### for Windows
Go to the [SDL repository on github and obtain the release package (SDL2-devel-x.x.x-mingw.zip).](https://github.com/libsdl-org/SDL/releases)
Unzip the zip file and copy the following four files to `C:\msys64\ucrt64`
- share
- bin
- include
- lib
#### for Linux
open the system terminal and run the following commands:
```
sudo apt-get install libsdl2 libsdl2-dev
```
#### for macOS
Install `sdl2` using [Homebrew](https://brew.sh/).
```
brew install sdl2
```
---
## Step 4. Execute !
Open the `PlatformIO_SDL` folder containing this document in PlatformIO.
Click on the ![PlatformIO](img_pio.png) icon on the left side of the screen.
Click `PROJECT TASKS` -> `native` -> `General` -> `Upload`
※ If you are using arm processor, use `native_arm` instead of `native` (e.g. M1mac)
![execute](img_00.png)
※ The window may start up with the window hidden behind. Check the task tray.
---
## Step 5. Use debugger.
#### for macOS
If you want to use the debugger on a mac, lldb is available.
![setup lldb](img_01.png)
`EXPLORER` -> `.vscode` -> `launch.json` -> `Add Configuration...` -> `C/C++: (lldb) Launch`
![setup lldb](img_02.png)
Rewrite the `"program"` : `"${workspaceRoot}/.pio/build/native/program"`
(The `native` part should match the environment name in `PlatformIO`)
![setup lldb](img_03.png)
Pressing the `F5` key allows debugging execution.
---