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Update Zephyr description to use v3.3.0 #142

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Jun 9, 2023
Merged

Update Zephyr description to use v3.3.0 #142

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c83e8c5
Update Zephyr description to use v3.3.0
erlingrj Jun 8, 2023
7bcaed3
Update packages/documentation/copy/en/embedded/Zephyr.md
erlingrj Jun 8, 2023
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39 changes: 6 additions & 33 deletions packages/documentation/copy/en/embedded/Zephyr.md
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Original file line number Diff line number Diff line change
Expand Up @@ -55,17 +55,17 @@ be activated every time you want to use west with LF**
1. Download and install Zephyr SDK to `/opt`
```
cd ~
wget https://github.com/zephyrproject-rtos/sdk-ng/releases/download/v0.15.2/zephyr-sdk-0.15.2_linux-x86_64.tar.gz
wget -O - https://github.com/zephyrproject-rtos/sdk-ng/releases/download/v0.15.2/sha256.sum | shasum --check --ignore-missing
wget https://github.com/zephyrproject-rtos/sdk-ng/releases/download/v0.15.2/zephyr-sdk-0.16.1_linux-x86_64.tar.xz
wget -O - https://github.com/zephyrproject-rtos/sdk-ng/releases/download/v0.16.1/sha256.sum | shasum --check --ignore-missing

tar xvf zephyr-sdk-0.15.2_linux-x86_64.tar.gz --directory /opt/
cd /opt/zephyr-sdk-0.15.2
tar xvf zephyr-sdk-0.16.1_linux-x86_64.tar.xz --directory /opt/
cd /opt/zephyr-sdk-0.16.1
./setup.sh
```

2. Install udev rules for flashing and debugging boards
```
sudo cp /opt/zephyr-sdk-0.15.2/sysroots/x86_64-pokysdk-linux/usr/share/openocd/contrib/60-openocd.rules /etc/udev/rules.d
sudo cp /opt/zephyr-sdk-0.16.1/sysroots/x86_64-pokysdk-linux/usr/share/openocd/contrib/60-openocd.rules /etc/udev/rules.d
sudo udevadm control --reload
```

Expand Down Expand Up @@ -99,7 +99,7 @@ pip install -r deps/zephyr/scripts/requirements.txt
# Hello World!
Now you should have the following installed:
1. `west`; Verify with `west boards`
2. Zephyr SDK located at `/opt/zephyr-sdk-0.15.2`
2. Zephyr SDK located at `/opt/zephyr-sdk-0.16.1`
3. Zephyr RTOS pulled down to `/deps/zephyr`

You should now be able to build and emulate a simple Hello World! LF program:
Expand Down Expand Up @@ -200,30 +200,3 @@ To disable this warning in the future, execute 'west config --global zephyr.base
Then it means that you have multiple Zephyr repositories installed.
We do not recommend this as `west` will link the application with the Zephyr found in the CMake package registry.
Please refer to the Getting Started section to purge the system of old Zephyr installations.

### Wrong version of Zephyr
If, when trying to build an application with `west lf-build` the following error occurs:
```
CMake Error at CMakeLists.txt:8 (find_package):
Could not find a configuration file for package "Zephyr" that exactly
matches requested version "3.2.0".
```

It means your Zephyr installation is of the wrong version.
Currently LF requires the exact version v3.2.0.
This restriction might be eased in the future.
The `lf-west-template` will download this exact version automatically.
This might mean that you have other Zephyr installations.
Please remove them and the exported CMake packages.


### Threaded Lingua Franca
In lfc v0.4.0 only the unthreaded runtime is supported with Zephyr.
Unless `threading: false` is set, there will be the following error during compilation:

```
lf-west-template/application/src-gen/HelloWorld/core/platform/lf_zephyr_support.c:352:2: error: #error "Threaded support on Zephyr is not supported"
352 | #error "Threaded support on Zephyr is not supported"
```

Threaded Zephyr support is expected to be available soon.