[yocto] [meta-raspberrypi] enable serial communication pi 3

[Andrea Galbusera]

On Wed, Sep 13, 2017 at 10:04 AM, yahia farghaly <yahiafarghaly at gmail.com>
wrote:

>
> Thanks for replying but it gives me this error log
>
>
>> *ERROR: rpi-hwup-image-1.0-r0 do_rootfs: Unable to install packages.
>> Command
>> '/yocto/poky/build/tmp/work/raspberrypi3-poky-linux-gnueabi/rpi-hwup-image/1.0-r0/recipe-sysroot-native/usr/bin/apt-get
>>  install --force-yes --allow-unauthenticated run-postinsts
>> packagegroup-core-boot kernel-modules rpi-config' returned 100:*
>> *Reading package lists...*
>> *Building dependency tree...*
>> *Reading state information...*
>> *Package rpi-config is not available, but is referred to by another
>> package.*
>> *This may mean that the package is missing, has been obsoleted, or**is
>> only available from another source*
>> *E: Package 'rpi-config' has no installation candidate*
>>
>> *ERROR: rpi-hwup-image-1.0-r0 do_rootfs: Function failed: do_rootfs*
>> *ERROR: Logfile of failure stored in:
>> /yocto/poky/build/tmp/work/raspberrypi3-poky-linux-gnueabi/rpi-hwup-image/1.0-r0/temp/log.do_rootfs.2252**ERROR:
>> Task
>> (/yocto/poky/meta-raspberrypi/recipes-core/images/rpi-hwup-image.bb:do_rootfs)
>> failed with exit code '1'*
>
>
> All what i did is  IMAGE_INSTALL_append = "rpi-config" , the recipe file
> is not exist in the meta-raspberry
>

You missed the space before rpi-config from the original suggestion in
IMAGE_INSTALL_append. This is always required when overriding variables
with _append


>
> ‌
>
> On 13 September 2017 at 09:27, Ayoub Zaki <ayoub.zaki at embexus.com> wrote:
>
>> I ran into the same problem:
>>
>> ENABLE_UART = "1" is not enough you should also add INSTALL_append= "
>> rpi-config" to your local.conf and Serial port will be enabled.
>>
>> On 12.09.2017 14:09, yahia farghaly wrote:
>>
>> I have bitbaked rpi-hwup-image for raspberry pi 3 on sd card and
>> connected the serial ports to *usb to ttl device* . i have set the
>> minicom to
>> port: /dev/ttyUSB0
>> baud rate: 115200
>> the image is booting fine and i can see the prompt on the screen but
>> cannot see in my serial console using minicom.
>> *is serial enabled by default for this image ? *
>> i also tried ENABLE_UART = "1" in local.conf but doesn't help.
>>
>> how to enable it ? and what the serial device name with respect to
>> raspberry pi
>>
>> thanks,
>>
>> --
>> Yahia Farghaly
>> Graduated from Faculty of Engineering - Electronics and Communications
>> Department at Cairo University.
>> Linkedin <https://linkedin.com/in/yahiafarghaly> - GitHub
>> <https://github.com/yahiafarghaly>
>>
>>
>>
>> ‌
>>
>>
>>
>> --
>>
>> Ayoub Zaki
>> Embedded Systems Consultant
>>
>> Vaihinger Str. 2/1
>> 71634 Ludwigsburg
>>
>> e-mail: ayoub.zaki at embexus.com
>> Tel: +49176-62901545 <+49%20176%2062901545>https://embexus.com
>>
>>
>> --
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>>
>
>
> --
> Yahia Farghaly
> Graduated from Faculty of Engineering - Electronics and Communications
> Department at Cairo University.
> Linkedin <https://linkedin.com/in/yahiafarghaly> - GitHub
> <https://github.com/yahiafarghaly>
>
> --
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