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rpi-config: warn on config.txt lines exceeding 80 bytes

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The Raspberry Pi firmware does not support lines exceeding 80 bytes.
This is documented at https://www.raspberrypi.com/documentation/computers/config_txt.html#file-format

It seems that comments can be longer but it's still best to avoid this
problem instead of debug it. Detect the situation in do_deploy_append
and bbwarn if the limit is exceeded.

Connected to #917

Signed-off-by: Zygmunt Krynicki <me@zygoon.pl>
This commit is contained in:
Zygmunt Krynicki 2021-10-08 00:49:36 +02:00 committed by Andrei Gherzan
parent 9eb4879cf4
commit 90b3ac6fb3
1 changed files with 6 additions and 0 deletions
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6
recipes-bsp/bootfiles/rpi-config_git.bb
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@ -278,6 +278,12 @@ do_deploy:append:raspberrypi3-64() {
echo "dtparam=audio=on" >> $CONFIG
}
do_deploy:append() {
if grep -q -E '^.{80}.$' ${DEPLOYDIR}/${BOOTFILES_DIR_NAME}/config.txt; then
bbwarn "config.txt contains lines longer than 80 characters, this is not supported"
fi
}
addtask deploy before do_build after do_install
do_deploy[dirs] += "${DEPLOYDIR}/${BOOTFILES_DIR_NAME}"