Update README.md

Signed-off-by: Jeffrey Han <39203126+elludraon@users.noreply.github.com>
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Jeffrey Han
2022-10-19 16:15:25 -07:00
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# Setting up your build machine
# OpenWiFi AP NOS
Requires a recent linux installation. Older systems without python 3.7 will have trouble. See this link for details: https://openwrt.org/docs/guide-developer/quickstart-build-images
OpenWrt-based access point network operating system (AP NOS) for TIP OpenWiFi.
Read more at [openwifi.tip.build](https://openwifi.tip.build/).
Install build packages: sudo apt install build-essential libncurses5-dev gawk git libssl-dev gettext zlib1g-dev swig unzip time rsync python3 python3-setuptools python3-yaml.
## Building
# Doing a native build on Linux
First we need to clone and setup our tree. This will result in an openwrt/.
### Setting up your build machine
Building requires a recent Linux installation. Older systems without Python 3.7
will have trouble. See this guide for details:
https://openwrt.org/docs/guide-developer/toolchain/beginners-build-guide
Install build packages on Debian/Ubuntu (or see above guide for other systems):
```
./setup.py --setup
sudo apt install build-essential libncurses5-dev gawk git libssl-dev gettext zlib1g-dev swig unzip time rsync python3 python3-setuptools python3-yaml
```
Next we need to select the profile and base package selection. This setup will install the feeds, packages and generate the .config file.
### Doing a native build on Linux
Use `./build.sh <target>`, or follow the manual steps below:
1. Clone and set up the tree. This will create an `openwrt/` directory.
```shell
./setup.py --setup # for subsequent builds, use --rebase instead
```
2. Select the profile and base package selection. This setup will install the
feeds and packages and generate the `.config` file.
```shell
cd openwrt
./scripts/gen_config.py linksys_ea8300
```
Finally we can build the tree.
```
make -j X V=s
3. Build the tree (replace `-j 8` with the number of cores to use).
```shell
make -j 8 V=s
```
### Build output
The build results are located in the `openwrt/bin/` directory:
| Type | Path |
| ---------------- | ---------------------------------------------------- |
| Firmware images | `openwrt/bin/targets/<target>/<subtarget>/` |
| Kernel modules | `openwrt/bin/targets/<target>/<subtarget>/packages/` |
| Package binaries | `openwrt/bin/packages/<platform>/<feed>/` |
## Developer Notes
### Branching model
- `main` - Stable dev branch
- `next` - Integration branch
- `staging-*` - Feature/bug branches
- `release/v#.#.#` - Release branches (*major.minor.patch*)
### Repository structure
Build files:
- `Makefile` - Calls Docker environment per target
- `dock-run.sh` - Dockerized build environment
- `docker/Dockerfile` - Dockerfile for build image
- `build.sh` - Build script
- `setup.py` - Clone and set up the tree
- `config.yml` - Specifies OpenWrt version and patches to apply
Directories:
- `feeds/` - OpenWiFi feeds
- `patches/` - OpenWiFi patches applied during builds
- `profiles/` - Per-target kernel configs, packages, and feeds
- [wifi-ax](profiles/wifi-ax.yml): Wi-Fi AX packages
- [ucentral-ap](profiles/ucentral-ap.yml): uCentral packages
- [x64_vm](profiles/x64_vm.yml): x86-64 VM image
### uCentral packages
AP-NOS packages implementing the uCentral protocol include the following
repositories (refer to the [ucentral](feeds/ucentral/) feed for a full list):
- ucentral-client: https://github.com/Telecominfraproject/wlan-ucentral-client
- ucentral-schema: https://github.com/Telecominfraproject/wlan-ucentral-schema
- ucentral-wifi: https://github.com/blogic/ucentral-wifi