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orange pi pc fix voltage
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#!/bin/bash | |
export PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin | |
if [ "$(id -u)" != "0" ]; then | |
echo "This script must be executed as root. Exiting" >&2 | |
exit 1 | |
fi | |
apt-get install git pkg-config libusb-dev libusb-1.0-0-dev build-essential | |
Path2ScriptBin="$(df | awk -F" " '/^\/dev\/mmcblk0p1/ {print $6}')" | |
if [ ! -f "${Path2ScriptBin}/script.bin" ]; then | |
echo "Can not find script.bin. Ensure boot partition is mounted" >&2 | |
exit 1 | |
fi | |
MyTmpFile="$(mktemp /tmp/${0##*/}.XXXXXX)" | |
bin2fex "${Path2ScriptBin}/script.bin" /tmp/script.fex | |
cat /tmp/script.fex | grep -v "^LV" | grep -v "^max_freq" | grep -v "^min_freq" | grep -v "^extremity_freq" >"${MyTmpFile}" | |
cp -p "${Path2ScriptBin}/script.bin" "${Path2ScriptBin}/script.bin.bak" | |
sed -i '/\[dvfs_table\]/a \ | |
extremity_freq = 1296000000\ | |
max_freq = 1200000000\ | |
min_freq = 480000000\ | |
LV_count = 7\ | |
LV1_freq = 1296000000\ | |
LV1_volt = 1320\ | |
LV2_freq = 1200000000\ | |
LV2_volt = 1240\ | |
LV3_freq = 1104000000\ | |
LV3_volt = 1180\ | |
LV4_freq = 1008000000\ | |
LV4_volt = 1140\ | |
LV5_freq = 960000000\ | |
LV5_volt = 1080\ | |
LV6_freq = 816000000\ | |
LV6_volt = 1020\ | |
LV7_freq = 480000000\ | |
LV7_volt = 980' "${MyTmpFile}" | |
fex2bin "${MyTmpFile}" "${Path2ScriptBin}/script.bin" >/dev/null | |
if [ $? -ne 0 ]; then | |
mv "${Path2ScriptBin}/script.bin.bak" "${Path2ScriptBin}/script.bin" | |
echo "Writing script.bin went wrong. Nothing changed" >&2 | |
exit 1 | |
fi | |
echo "Successfully repaired broken overvolting/overclocking settings. Reboot necessary for changes to take effect" |
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