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Added installation guide for recommended stable gcc version #285

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Apr 12, 2021
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Added installation guide for recommended stable gcc version #285

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21 changes: 16 additions & 5 deletions README.md
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Expand Up @@ -82,18 +82,29 @@ There are also many other options that can be changed in conf_general.h

### On Ubuntu

Install the gcc-arm-embedded toolchain


Install the gcc-arm-embedded toolchain. Recommended version ```gcc-arm-none-eabi-7-2018-q2```

**Method 1 - Through Official GNU Arm Embedded Toolchain Downloads**
1. Go to [GNU Arm Embedded Toolchain Downloads](https://developer.arm.com/tools-and-software/open-source-software/developer-tools/gnu-toolchain/gnu-rm/downloads)
2. Locate and Download version **gcc-arm-none-eabi-7-2018-q2** for your machine
```GNU Arm Embedded Toolchain: 7-2018-q2-update June 27, 2018```
Linux 64-bit version can be downloaded from [here](https://developer.arm.com/-/media/Files/downloads/gnu-rm/7-2018q2/gcc-arm-none-eabi-7-2018-q2-update-linux.tar.bz2?revision=bc2c96c0-14b5-4bb4-9f18-bceb4050fee7?product=GNU%20Arm%20Embedded%20Toolchain,64-bit,,Linux,7-2018-q2-update)
3. Unpack the archive in the file manager by right-clicking on it and select "extract here"
4. Change directory to the unpacked folder, unpack it in /usr/local by execute the following command
```
cd gcc-arm-none-eabi-7-2018-q2-update-linux
sudo cp -RT gcc-arm-none-eabi-7-2018-q2-update/ /usr/local
```

**Method 2 - Through apt install**
```bash
sudo add-apt-repository ppa:team-gcc-arm-embedded/ppa
sudo apt update
sudo apt install gcc-arm-embedded
```

Add udev rules to use the stlink v2 programmer without being root


**Optional - Add udev rules to use the stlink v2 programmer without being root**
```bash
wget vedder.se/Temp/49-stlinkv2.rules
sudo mv 49-stlinkv2.rules /etc/udev/rules.d/
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