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Diffstat (limited to 'src/usr/bin/hwset-acer-chromebook')
| -rwxr-xr-x | src/usr/bin/hwset-acer-chromebook | 380 |
1 files changed, 380 insertions, 0 deletions
diff --git a/src/usr/bin/hwset-acer-chromebook b/src/usr/bin/hwset-acer-chromebook new file mode 100755 index 0000000..0547aa0 --- /dev/null +++ b/src/usr/bin/hwset-acer-chromebook @@ -0,0 +1,380 @@ +#!/bin/sh +# File: /usr/bin/hwset-thinkpad-p50s +# Location: stackrpms-thinkpad-p50s package +# Author: bgstack15 +# SPDX-License-Identifier: GPL-3.0 +# Startdate: 2017-11-10 19:41:58 +# Title: Script that Adjusts Hardware Settings +# Package: stackrpms-thinkpad-p50s +# Purpose: Provide programmatic ways to adjust screen brightness, volume, etc. +# History: +# 2018-12-10 change directory +# 2019-12-26 adapted for Thinkpad P50s and add bright_set max/min/safe +# 2022-11-03 adapted for package +# 2024-04-29 adapted for Acer Chromebook C720 +# Usage: +# configure your display manager to react to key combinations, like vol-up to execute: hwset vol up +# Reference: ftemplate.sh 2017-11-10a; framework.sh 2017-11-10a +# Improve: +# Provide better 'screen 0' detection. Right now it is hard-coded to use display LVDS. +# Dependencies: +# dep-devuan: bgscripts-core +fiversion="2017-11-10a" +hwsetversion="2024-04-29a" # for Acer Chromebook C720 + +usage() { + less -F >&2 <<ENDUSAGE +usage: ${0} [-duV] [-c conffile] PIECE ACTION VALUE +version ${hwsetversion} + -d debug Show debugging info, including parsed variables. + -u usage Show this usage block. + -V version Show script version number. + -c conf Read in this config file. +PIECE vol | bright +ACTION up | down | set | mute +VALUE [vol: 0-100] [bright: 0.0-1.0] +Use this tool to adjust volume or brightness. +Examples: +hwset vol up +hweset vol mute +hwset bright set 0.8 +Return values: + 0 Normal + 1 Help or version info displayed + 2 Count or type of flaglessvals is incorrect + 3 Incorrect OS type + 4 Unable to find dependency + 5 Not run as root or sudo +ENDUSAGE +} + +# DEFINE FUNCTIONS +vol_up() { + # call: vol_down "${HWSET_SND_INCREMENT}" + local increment="${1}" + mixer vol +${increment} +} + +vol_down() { + # call: vol_down "${HWSET_SND_INCREMENT}" + local increment="${1}" + mixer vol -${increment} +} + +vol_set() { + # call: vol_set value + local value="${1}" + mixer vol "${value}" +} + +vol_mute() { + # this function toggles the mute state between volume 0 and whatever it was before + # will ignore any parameters as they are unneeded + + # get saved volume from temp file + local saved_level="$( awk 'BEGIN{FS="=";} /VOL_REGULAR_LEVEL=/{print $2}' "${HWSET_SND_TEMP_FILE}" 2>/dev/null )" + local current_level="$( mixer vol | awk '{print $NF}' )" + + debuglev 3 && ferror "saved: ${saved_level}\tcurrent: ${current_level}" + + # logic: if current level is other than "0:0", save current level and set to 0 + # logic: if current level is "0:0", set to saved level. + if echo "${current_level}" | grep -qE "^0:0$"; + then + # the current level is zero + if test -z "${saved_level}" || echo "${saved_level}" | grep -qvE "[0-9]+:[0-9]+"; + then + # nothing to revert to, so set to a basic level + mixer vol 70 + else + mixer vol "${saved_level}" + fi + else + # current level is not zero + echo "VOL_REGULAR_LEVEL=${current_level}" > "${HWSET_SND_TEMP_FILE}" + mixer vol "0:0" + fi +} + +bright_get() { + #local this_screen="$( xrandr --listactivemonitors | tail -n +2 | grep LVDS | awk '{print $NF}' )" + #xrandr --verbose --screen 0 | grep Brightness | awk '{print $NF}' + cat /sys/class/backlight/intel_backlight/brightness +} + +bright_safe() { + # call: new_brightness="$( bright_safe "${new_brightness}" )" + # this function makes sure the new brightness is not lower than the min and not higher than the max + local requested_brightness="${1}" + local output="$( echo "${requested_brightness}" | grep -oE '^-?[0-9]+(\.[0-9]{0,3})?$' )" + if test -n "${output}"; + then + # so it is a proper decimal number for a brightness value + local lt_min="$( printf '%f<%f\n' "${requested_brightness}" "${HWSET_BRIGHTNESS_MIN}" | bc )" + local gt_max="$( printf '%f>%f\n' "${requested_brightness}" "${HWSET_BRIGHTNESS_MAX}" | bc )" + test "${gt_max}" = "1" && output="${HWSET_BRIGHTNESS_MAX}" + test "${lt_min}" = "1" && output="${HWSET_BRIGHTNESS_MIN}" + #echo "lt=${lt} gt=${gt}" + echo "${output%%.*}" + else + # invalid input, so provide a safe number + echo "${HWSET_BRIGHTNESS_MAX:850}" + fi +} + +bright_up() { + # call: bright_up "${HWSET_BRIGHTNESS_INCREASE_SIZE}" + local current_brightness="$( bright_get )" + local increment="${1}" + local new_brightness="$( printf '%0.2f' "$( printf 'scale=3;%0.2f+%0.2f\n' "${current_brightness}" "${increment}" | bc )" )" + new_brightness="$( bright_safe "${new_brightness}" )" + debuglev 1 && ferror "current brightness:\"${current_brightness}\" new:\"${new_brightness}\"" + printf "${new_brightness}" | sudo tee /sys/class/backlight/intel_backlight/brightness 1>/dev/null + #xrandr --output LVDS1 --brightness "${new_brightness}" +} + +bright_down() { + # call: bright_down "${HWSET_BRIGHTNESS_INCREASE_SIZE}" + local current_brightness="$( bright_get )" + local increment="${1}" + local new_brightness="$( printf '%0.2f' "$( printf 'scale=3;%0.2f-%0.2f\n' "${current_brightness}" "${increment}" | bc )" )" + new_brightness="$( bright_safe "${new_brightness}" )" + debuglev 1 && ferror "current brightness:\"${current_brightness}\" new:\"${new_brightness}\"" + printf "${new_brightness}" | sudo tee /sys/class/backlight/intel_backlight/brightness 1>/dev/null + #xrandr --output LVDS1 --brightness "${new_brightness}" +} + +bright_set() { + # call: bright_set "${value}" + local value="${1}" + #xrandr --output LVDS1 --brightness "${value}" + local value_evaluated="$( echo "${value}" | tr '[a-z]' '[A-Z]' )" + case "${value_evaluated}" in + MAX*) test -n "${HWSET_BRIGHTNESS_MAX}" && value="${HWSET_BRIGHTNESS_MAX}" ;; + MIN*) test -n "${HWSET_BRIGHTNESS_MIN}" && value="${HWSET_BRIGHTNESS_MIN}" ;; + SAFE) test -n "${HWSET_BRIGHTNESS_SAFE}" && value="${HWSET_BRIGHTNESS_SAFE}" ;; + esac + debuglev 2 && ferror "setting to ${value}" + printf "${value}" | sudo tee /sys/class/backlight/intel_backlight/brightness 1>/dev/null +} + +# DEFINE TRAPS + +clean_hwset() { + # use at end of entire script if you need to clean up tmpfiles + #rm -f ${tmpfile} 1>/dev/null 2>&1 + : +} + +CTRLC() { + # use with: trap "CTRLC" 2 + # useful for controlling the ctrl+c keystroke + : +} + +CTRLZ() { + # use with: trap "CTRLZ" 18 + # useful for controlling the ctrl+z keystroke + : +} + +parseFlag() { + flag="$1" + hasval=0 + case ${flag} in + # INSERT FLAGS HERE + "d" | "debug" | "DEBUG" | "dd" ) setdebug; ferror "debug level ${debug}";; + "u" | "usage" | "help" | "h" ) usage; exit 1;; + "V" | "fcheck" | "version" ) ferror "${scriptfile} version ${hwsetversion}"; exit 1;; + #"i" | "infile" | "inputfile" ) getval; infile1=${tempval};; + "c" | "conf" | "conffile" | "config" ) getval; conffile="${tempval}";; + esac + + debuglev 10 && { test ${hasval} -eq 1 && ferror "flag: ${flag} = ${tempval}" || ferror "flag: ${flag}"; } +} + +# DETERMINE LOCATION OF FRAMEWORK +while read flocation; do if test -e ${flocation} && test "$( sh ${flocation} --fcheck 2>/dev/null )" -ge 20170608; then frameworkscript="${flocation}"; break; fi; done <<EOFLOCATIONS +./framework.sh +${scriptdir}/framework.sh +~/bin/bgscripts/framework.sh +~/bin/framework.sh +~/bgscripts/framework.sh +~/framework.sh +/usr/local/bin/bgscripts/framework.sh +/usr/local/bin/framework.sh +/usr/bin/bgscripts/framework.sh +/usr/bin/framework.sh +/bin/bgscripts/framework.sh +/usr/local/share/bgscripts/framework.sh +/usr/share/bgscripts/framework.sh +/usr/libexec/bgscripts/framework.sh +EOFLOCATIONS +test -z "${frameworkscript}" && echo "$0: framework not found. Aborted." 1>&2 && exit 4 + +# INITIALIZE VARIABLES +# variables set in framework: +# today server thistty scriptdir scriptfile scripttrim +# is_cronjob stdin_piped stdout_piped stderr_piped sendsh sendopts +. ${frameworkscript} || echo "$0: framework did not run properly. Continuing..." 1>&2 +infile1= +outfile1= +logfile=${scriptdir}/${scripttrim}.${today}.out +define_if_new interestedparties "bgstack15@gmail.com" +# SIMPLECONF +define_if_new default_conffile "/etc/hwset.conf" +define_if_new defuser_conffile ~/.config/hwset/hwset.conf + +# REACT TO OPERATING SYSTEM TYPE +case $( uname -s ) in + Linux) [ ];; + *) echo "${scriptfile}: 3. Indeterminate or unsupported OS: $( uname -s )" 1>&2 && exit 3;; +esac + +## REACT TO ROOT STATUS +#case ${is_root} in +# 1) # proper root +# [ ] ;; +# sudo) # sudo to root +# [ ] ;; +# "") # not root at all +# #ferror "${scriptfile}: 5. Please run as root or sudo. Aborted." +# #exit 5 +# [ ] +# ;; +#esac + +# SET CUSTOM SCRIPT AND VALUES +#setval 1 sendsh sendopts<<EOFSENDSH # if $1="1" then setvalout="critical-fail" on failure +#/usr/share/bgscripts/send.sh -hs # setvalout maybe be "fail" otherwise +#/usr/local/bin/send.sh -hs # on success, setvalout="valid-sendsh" +#/usr/bin/mail -s +#EOFSENDSH +#test "${setvalout}" = "critical-fail" && ferror "${scriptfile}: 4. mailer not found. Aborted." && exit 4 + +# VALIDATE PARAMETERS +# objects before the dash are options, which get filled with the optvals +# to debug flags, use option DEBUG. Variables set in framework: fallopts +validateparams piece action value - "$@" + +# CONFIRM TOTAL NUMBER OF FLAGLESSVALS IS CORRECT +#if test ${thiscount} -lt 2; +#then +# ferror "${scriptfile}: 2. Fewer than 2 flaglessvals. Aborted." +# exit 2 +#fi + +# LOAD CONFIG FROM SIMPLECONF +# This section follows a simple hierarchy of precedence, with first being used: +# 1. parameters and flags +# 2. environment +# 3. config file +# 4. default user config: ~/.config/script/script.conf +# 5. default config: /etc/script/script.conf +if test -f "${conffile}"; +then + get_conf "${conffile}" +else + if test "${conffile}" = "${default_conffile}" || test "${conffile}" = "${defuser_conffile}"; then :; else test -n "${conffile}" && ferror "${scriptfile}: Ignoring conf file which is not found: ${conffile}."; fi +fi +test -f "${defuser_conffile}" && get_conf "${defuser_conffile}" +test -f "${default_conffile}" && get_conf "${default_conffile}" + +# CONFIGURE VARIABLES AFTER PARAMETERS +define_if_new HWSET_SND_INCREMENT=8 +define_if_new HWSET_SND_MUTE_LEVEL=0 +define_if_new HWSET_SND_TEMP_FILE=/tmp/hwset/snd.level +define_if_new HWSET_BRIGHTNESS_INCREMENT=85 +define_if_new HWSET_BRIGHTNESS_MAX=$( cat /sys/class/backlight/intel_backlight/max_brightness ) +define_if_new HWSET_BRIGHTNESS_MIN=0 +define_if_new HWSET_BRIGHTNESS_SAFE=$( cat /sys/class/backlight/intel_backlight/max_brightness ) + +## REACT TO BEING A CRONJOB +#if test ${is_cronjob} -eq 1; +#then +# [ ] +#else +# [ ] +#fi + +# SET TRAPS +#trap "CTRLC" 2 +#trap "CTRLZ" 18 +#trap "clean_hwset" 0 + +# DEBUG SIMPLECONF +debuglev 5 && { + ferror "Using values" + # used values: EX_(OPT1|OPT2|VERBOSE) + set | grep -iE "^HWSET_" 1>&2 +} + +# make temp files +if test -n "${HWSET_SND_TEMP_FILE}" +then + tempdir="$( dirname "${HWSET_SND_TEMP_FILE}" )" + mkdir -p "${tempdir}" && touch "${HWSET_SND_TEMP_FILE}" +fi + +# MAIN LOOP +#{ + debuglev 2 && ferror "piece:\"${piece}\" action:\"${action}\" value:\"${value}\"" + case "${piece}" in + vol|volume) + case "${action}" in + up|down|mute) + debuglev 1 && ferror vol_${action} "${value:-$HWSET_SND_INCREMENT}" + vol_${action} "${value:-$HWSET_SND_INCREMENT}" + ;; + set) + if test -z "${value}"; + then + # you ran hwset vol set, without a value + # do nothing, silently + debuglev 1 && ferror "Cannot set vol to \"\". Skipped." + else + debuglev 1 && ferror vol_${action} "${value}" + vol_${action} "${value}" + fi + ;; + *) + ferror "${scripttrim}: piece ${piece} was given unknown action ${action}. Aborted." + exit 2 + ;; + esac + ;; + bright|brightness) + case "${action}" in + up|down) + debuglev 1 && ferror bright_${action} "${value:-${HWSET_BRIGHTNESS_INCREMENT}}" + bright_${action} "${value:-${HWSET_BRIGHTNESS_INCREMENT}}" + ;; + set) + if test -z "${value}"; + then + # you ran hwset bright set, without a value + # do nothing, silently + debuglev 1 && ferror "Cannot set brightness to \"\". Skipped." + else + debuglev 1 && ferror bright_${action} "${value}" + bright_${action} "${value}" + fi + ;; + *) + ferror "${scripttrim}: piece ${piece} was given unknown action ${action}. Aborted." + ;; + esac + ;; + *) + ferror "${scripttrim}: Unknown piece ${piece}. Aborted." + exit 2 + ;; + esac +#} | tee -a ${logfile} + +# EMAIL LOGFILE +#${sendsh} ${sendopts} "${server} ${scriptfile} out" ${logfile} ${interestedparties} + +## STOP THE READ CONFIG FILE +#exit 0 +#fi; done; } |