Continental Yocto Tutorial / August 2013

Continental Yocto Training

Author:

Leonardo Sandoval

Material:

PDF Tutorial: i.MX Yocto Project: Freescale Yocto Project Tutorial

Provided Virtual Machine

Wandboard Dual Wandboard - Freescale i.MX6 ARM Cortex-A9 Opensource Community Development Board - BLOG

Tasks:

Task 1: Build and Boot your board in N-steps

1. Create a new folder ($ mkdir conti-fsl-community-bsp)

2. Follow all N-steps (from the tutorial, page 2) EXCEPT the baking

3. Baking has been done for you, so assume that the bake is done!

4. Flash:

        conti-fsl-community-bsp $ cd

        $ cd fsl-community-bsp/build

        build $ dd if=tmp/deploy/images/core-image-minimal-wandboard-dual.sdcard of=/dev/sdb bs=1M

        build $ sync # NEVER FORGET THIS STEP, You have been warned!

5. Boot

Task 2: Folders

1. Tree structure & size

fsl-comunity-bsp $ tree -d -L 2

fsl-comunity-bsp $ du -h --max-depth=2

Task 3: Architecture

Task 4: Metadata

Task 5: Config files

build $ cat conf/local.conf

build $ cat conf/bblayer.conf

Task 6: Layers

build $ bitbake-layers show-layers

sources $ cat meta-fsl-arm/conf/layer.conf

Task 7: Adding an existing layer

1. Clone the repo

sources $ git clone https://github.com/lsandoval/meta-fsl-test.git

2. Add the layer to build/bblayers.conf

sources $ cd ../build

build $ vi conf/bblayers.conf

3. Browse the new layer files

4. Compile the kernel

build $ bitbake -f -c compile linux-wandboard

build $ bitbake -c deploy linux-wandboard

5. Flash

   build $ sudo mkdir /media/boot

        build $ sudo mount /dev/sdb1 /media/boot

        build $ cp tmp/deploy/images/uImage /media/boot

        build $ sudo umount /media/boot

6. Boot

Task 8: (Optional)
- Check the core-image-minimal-test image, bake and flash it.
- Run the 'helloworld' app

Task 9: Q&A