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meta-raspberrypi/README.md
Pierre-Jean Texier d058d2a2cf kas-poky-rpi: add kas file 
The kas tool provides an easy mechanism to setup bitbake based projects.

As explained in [1] the key features provided by kas are:

- clone and checkout bitbake layers
- create default bitbake settings (machine, arch, ...)
- launch minimal build environment, reducing risk of host contamination
- initiate bitbake build process

So, let's create a minimal example in this layer to build an image with a
small effort. This seems interesting for new users of the meta-raspberrypi.

For example:

$: sudo pip3 install kas
$: mkdir rpi
$: cd rpi
$: git clone https://github.com/agherzan/meta-raspberrypi.git
$: kas build meta-raspberrypi/kas-poky-rpi.yml

and that's all !

To adjust the construction with specific options (I2C, SPI, ...), simply add
a section as follows:

local_conf_header:
  rpi-specific: |
    ENABLE_I2C = "1"
    RPI_EXTRA_CONFIG = "dtoverlay=pi3-disable-bt"

To configure the machine, the user have to update the 'machine' variable.
And the same for the 'distro'.

[1] - https://kas.readthedocs.io/en/1.0/userguide.html

Signed-off-by: Pierre-Jean Texier <pjtexier@koncepto.io>
2020-01-22 18:09:10 +00:00

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meta-raspberrypi

Yocto BSP layer for the Raspberry Pi boards - http://www.raspberrypi.org/.

Build Status Build Status Build Status Documentation Status Matrix

Quick links

Description

This is the general hardware specific BSP overlay for the RaspberryPi device.

More information can be found at: http://www.raspberrypi.org/ (Official Site)

The core BSP part of meta-raspberrypi should work with different OpenEmbedded/Yocto distributions and layer stacks, such as:

  • Distro-less (only with OE-Core).
  • Angstrom.
  • Yocto/Poky (main focus of testing).

Dependencies

This layer depends on:

  • URI: git://git.yoctoproject.org/poky

    • branch: master
    • revision: HEAD

  • URI: git://git.openembedded.org/meta-openembedded

    • layers: meta-oe, meta-multimedia, meta-networking, meta-python
    • branch: master
    • revision: HEAD

Quick Start

  1. source poky/oe-init-build-env rpi-build
  2. Add this layer to bblayers.conf and the dependencies above
  3. Set MACHINE in local.conf to one of the supported boards
  4. bitbake core-image-base
  5. dd to a SD card the generated sdimg file (use xzcat if rpi-sdimg.xz is used)
  6. Boot your RPI.

Quick Start with kas

  1. Install kas build tool from PyPi (sudo pip3 install kas)
  2. kas build meta-raspberrypi/kas-poky-rpi.yml
  3. dd to a SD card the generated sdimg file (use xzcat if rpi-sdimg.xz is used)
  4. Boot your RPI.

To adjust the build configuration with specific options (I2C, SPI, ...), simply add a section as follows:

local_conf_header:
  rpi-specific: |
    ENABLE_I2C = "1"
    RPI_EXTRA_CONFIG = "dtoverlay=pi3-disable-bt"

To configure the machine, you have to update the machine variable. And the same for the distro.

For further information, you can read more at https://kas.readthedocs.io/en/1.0/index.html

Maintainers

  • Andrei Gherzan <andrei at gherzan.ro>