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| #!/bin/bash | ||
| # | ||
| # Copyright (c) 2018 Baozhu Zuo <[email protected]> | ||
| # | ||
| # Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| # of this software and associated documentation files (the "Software"), to deal | ||
| # in the Software without restriction, including without limitation the rights | ||
| # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| # copies of the Software, and to permit persons to whom the Software is | ||
| # furnished to do so, subject to the following conditions: | ||
| # | ||
| # The above copyright notice and this permission notice shall be included in | ||
| # all copies or substantial portions of the Software. | ||
| # | ||
| # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | ||
| # THE SOFTWARE. | ||
|
|
||
| set -x | ||
| #exec 1>/var/log/$(basename $0).log 2>&1 | ||
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| export PATH=$PATH:/opt/vc/bin | ||
| OVERLAYS=/boot/overlays | ||
| [ -d /boot/firmware/overlays ] && OVERLAYS=/boot/firmware/overlays | ||
|
|
||
| #enable i2c interface | ||
| dtparam -d $OVERLAYS i2c_arm=on | ||
| modprobe i2c-dev | ||
|
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||
| #enable spi interface | ||
| dtparam -d $OVERLAYS spi=on | ||
|
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||
| _VER_RUN= | ||
| function get_kernel_version() { | ||
| local ZIMAGE IMG_OFFSET | ||
|
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||
| _VER_RUN="" | ||
| [ -z "$_VER_RUN" ] && { | ||
| ZIMAGE=/boot/kernel.img | ||
| IMG_OFFSET=$(LC_ALL=C grep -abo $'\x1f\x8b\x08\x00' $ZIMAGE | head -n 1 | cut -d ':' -f 1) | ||
| # 64-bit-only kernel package | ||
| [ ! -f /boot/kernel.img ] && [ -f /boot/kernel8.img ] && ZIMAGE=/boot/kernel8.img | ||
| _VER_RUN=$(dd if=$ZIMAGE obs=64K ibs=4 skip=$(( IMG_OFFSET / 4)) 2>/dev/null | zcat | grep -a -m1 "Linux version" | LC_ALL=C sed -e 's/^.*Linux/Linux/' | strings | awk '{ print $3; }') | ||
| } | ||
| echo "$_VER_RUN" | ||
| return 0 | ||
| } | ||
|
|
||
| CONFIG=/boot/config.txt | ||
| [ -f /boot/firmware/usercfg.txt ] && CONFIG=/boot/firmware/usercfg.txt | ||
|
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| get_overlay() { | ||
| ov=$1 | ||
| if grep -q -E "^dtoverlay=$ov" $CONFIG; then | ||
| echo 0 | ||
| else | ||
| echo 1 | ||
| fi | ||
| } | ||
|
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||
| do_overlay() { | ||
| ov=$1 | ||
| RET=$2 | ||
| DEFAULT=--defaultno | ||
| CURRENT=0 | ||
| if [ $(get_overlay $ov) -eq 0 ]; then | ||
| DEFAULT= | ||
| CURRENT=1 | ||
| fi | ||
| if [ $RET -eq $CURRENT ]; then | ||
| ASK_TO_REBOOT=1 | ||
| fi | ||
| if [ $RET -eq 0 ]; then | ||
| sed $CONFIG -i -e "s/^#dtoverlay=$ov/dtoverlay=$ov/" | ||
| if ! grep -q -E "^dtoverlay=$ov" $CONFIG; then | ||
| printf "dtoverlay=$ov\n" >> $CONFIG | ||
| fi | ||
| STATUS=enabled | ||
| elif [ $RET -eq 1 ]; then | ||
| sed $CONFIG -i -e "s/^dtoverlay=$ov/#dtoverlay=$ov/" | ||
| STATUS=disabled | ||
| else | ||
| return $RET | ||
| fi | ||
| } | ||
|
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|
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| is_1a=$(i2cdetect -y 1 0x1a 0x1a | egrep "(1a|UU)" | awk '{print $2}') | ||
|
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| RPI_HATS="wm8960-soundcard" | ||
| overlay="" | ||
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| if [ "x${is_1a}" != "x" ] && [ "x${is_35}" == "x" ] ; then | ||
| echo "install 2mic" | ||
| overlay=wm8960-soundcard | ||
| asound_conf=/etc/wm8960-soundcard/asound.conf | ||
| asound_state=/etc/wm8960-soundcard/wm8960_asound.state | ||
| fi | ||
|
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| if [ "$overlay" ]; then | ||
| echo Install $overlay ... | ||
|
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| # Remove old configuration | ||
| rm /etc/asound.conf | ||
| rm /var/lib/alsa/asound.state | ||
|
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| kernel_ver=$(uname -r) # get_kernel_version) | ||
| # echo kernel_ver=$kernel_ver | ||
|
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| # TODO: dynamic dtoverlay Bug of v4.19.x | ||
| # no DT node phandle inserted. | ||
| if [[ "$kernel_ver" =~ ^4\.19.*$ || "$kernel_ver" =~ ^5\.*$ ]]; then | ||
| for i in $RPI_HATS; do | ||
| if [ "$i" == "$overlay" ]; then | ||
| /bin/true #do_overlay $overlay 0 | ||
| else | ||
| echo Uninstall $i ... | ||
| /bin/true #do_overlay $i 1 | ||
| fi | ||
| done | ||
| fi | ||
| #make sure the driver loads correctly | ||
| dtoverlay -d $OVERLAYS $overlay || true | ||
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| echo "create $overlay asound configure file" | ||
| ln -s $asound_conf /etc/asound.conf | ||
| echo "create $overlay asound status file" | ||
| ln -s $asound_state /var/lib/alsa/asound.state | ||
| fi | ||
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| alsactl restore | ||
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| #Force 3.5mm ('headphone') jack | ||
| # The Raspberry Pi 4, released on 24th Jun 2019, has two HDMI ports, | ||
| # and can drive two displays with audios for two users simultaneously, | ||
| # in a "multiseat" configuration. The earlier single virtual ALSA | ||
| # option for re-directing audio playback between headphone jack and HDMI | ||
| # via a 'Routing' mixer setting was turned off eventually to allow | ||
| # simultaneous usage of all 3 playback devices. | ||
| if aplay -l | grep -q "bcm2835 ALSA"; then | ||
| amixer cset numid=3 1 || true | ||
| fi | ||
|
|
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this does not work on systems < bookworm and breaks things