From: Roman Bazalevskiy Date: Sat, 30 Nov 2013 13:35:21 +0000 (+0400) Subject: Версия als-controller для исполнения в режиме демона X-Git-Url: https://git.rvb.name/zenbook-als.git/commitdiff_plain/70537c7f2cf083a45f8cf49d857eea2ee61f6071?ds=inline Версия als-controller для исполнения в режиме демона --- 70537c7f2cf083a45f8cf49d857eea2ee61f6071 diff --git a/LICENSE b/LICENSE new file mode 100644 index 0000000..37ec93a --- /dev/null +++ b/LICENSE @@ -0,0 +1,191 @@ +Apache License +Version 2.0, January 2004 +http://www.apache.org/licenses/ + +TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + +1. Definitions. + +"License" shall mean the terms and conditions for use, reproduction, and +distribution as defined by Sections 1 through 9 of this document. + +"Licensor" shall mean the copyright owner or entity authorized by the copyright +owner that is granting the License. + +"Legal Entity" shall mean the union of the acting entity and all other entities +that control, are controlled by, or are under common control with that entity. +For the purposes of this definition, "control" means (i) the power, direct or +indirect, to cause the direction or management of such entity, whether by +contract or otherwise, or (ii) ownership of fifty percent (50%) or more of the +outstanding shares, or (iii) beneficial ownership of such entity. + +"You" (or "Your") shall mean an individual or Legal Entity exercising +permissions granted by this License. + +"Source" form shall mean the preferred form for making modifications, including +but not limited to software source code, documentation source, and configuration +files. + +"Object" form shall mean any form resulting from mechanical transformation or +translation of a Source form, including but not limited to compiled object code, +generated documentation, and conversions to other media types. + +"Work" shall mean the work of authorship, whether in Source or Object form, made +available under the License, as indicated by a copyright notice that is included +in or attached to the work (an example is provided in the Appendix below). + +"Derivative Works" shall mean any work, whether in Source or Object form, that +is based on (or derived from) the Work and for which the editorial revisions, +annotations, elaborations, or other modifications represent, as a whole, an +original work of authorship. For the purposes of this License, Derivative Works +shall not include works that remain separable from, or merely link (or bind by +name) to the interfaces of, the Work and Derivative Works thereof. + +"Contribution" shall mean any work of authorship, including the original version +of the Work and any modifications or additions to that Work or Derivative Works +thereof, that is intentionally submitted to Licensor for inclusion in the Work +by the copyright owner or by an individual or Legal Entity authorized to submit +on behalf of the copyright owner. For the purposes of this definition, +"submitted" means any form of electronic, verbal, or written communication sent +to the Licensor or its representatives, including but not limited to +communication on electronic mailing lists, source code control systems, and +issue tracking systems that are managed by, or on behalf of, the Licensor for +the purpose of discussing and improving the Work, but excluding communication +that is conspicuously marked or otherwise designated in writing by the copyright +owner as "Not a Contribution." + +"Contributor" shall mean Licensor and any individual or Legal Entity on behalf +of whom a Contribution has been received by Licensor and subsequently +incorporated within the Work. + +2. Grant of Copyright License. + +Subject to the terms and conditions of this License, each Contributor hereby +grants to You a perpetual, worldwide, non-exclusive, no-charge, royalty-free, +irrevocable copyright license to reproduce, prepare Derivative Works of, +publicly display, publicly perform, sublicense, and distribute the Work and such +Derivative Works in Source or Object form. + +3. Grant of Patent License. + +Subject to the terms and conditions of this License, each Contributor hereby +grants to You a perpetual, worldwide, non-exclusive, no-charge, royalty-free, +irrevocable (except as stated in this section) patent license to make, have +made, use, offer to sell, sell, import, and otherwise transfer the Work, where +such license applies only to those patent claims licensable by such Contributor +that are necessarily infringed by their Contribution(s) alone or by combination +of their Contribution(s) with the Work to which such Contribution(s) was +submitted. If You institute patent litigation against any entity (including a +cross-claim or counterclaim in a lawsuit) alleging that the Work or a +Contribution incorporated within the Work constitutes direct or contributory +patent infringement, then any patent licenses granted to You under this License +for that Work shall terminate as of the date such litigation is filed. + +4. Redistribution. + +You may reproduce and distribute copies of the Work or Derivative Works thereof +in any medium, with or without modifications, and in Source or Object form, +provided that You meet the following conditions: + +You must give any other recipients of the Work or Derivative Works a copy of +this License; and +You must cause any modified files to carry prominent notices stating that You +changed the files; and +You must retain, in the Source form of any Derivative Works that You distribute, +all copyright, patent, trademark, and attribution notices from the Source form +of the Work, excluding those notices that do not pertain to any part of the +Derivative Works; and +If the Work includes a "NOTICE" text file as part of its distribution, then any +Derivative Works that You distribute must include a readable copy of the +attribution notices contained within such NOTICE file, excluding those notices +that do not pertain to any part of the Derivative Works, in at least one of the +following places: within a NOTICE text file distributed as part of the +Derivative Works; within the Source form or documentation, if provided along +with the Derivative Works; or, within a display generated by the Derivative +Works, if and wherever such third-party notices normally appear. The contents of +the NOTICE file are for informational purposes only and do not modify the +License. You may add Your own attribution notices within Derivative Works that +You distribute, alongside or as an addendum to the NOTICE text from the Work, +provided that such additional attribution notices cannot be construed as +modifying the License. +You may add Your own copyright statement to Your modifications and may provide +additional or different license terms and conditions for use, reproduction, or +distribution of Your modifications, or for any such Derivative Works as a whole, +provided Your use, reproduction, and distribution of the Work otherwise complies +with the conditions stated in this License. + +5. Submission of Contributions. + +Unless You explicitly state otherwise, any Contribution intentionally submitted +for inclusion in the Work by You to the Licensor shall be under the terms and +conditions of this License, without any additional terms or conditions. +Notwithstanding the above, nothing herein shall supersede or modify the terms of +any separate license agreement you may have executed with Licensor regarding +such Contributions. + +6. Trademarks. + +This License does not grant permission to use the trade names, trademarks, +service marks, or product names of the Licensor, except as required for +reasonable and customary use in describing the origin of the Work and +reproducing the content of the NOTICE file. + +7. Disclaimer of Warranty. + +Unless required by applicable law or agreed to in writing, Licensor provides the +Work (and each Contributor provides its Contributions) on an "AS IS" BASIS, +WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied, +including, without limitation, any warranties or conditions of TITLE, +NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A PARTICULAR PURPOSE. You are +solely responsible for determining the appropriateness of using or +redistributing the Work and assume any risks associated with Your exercise of +permissions under this License. + +8. Limitation of Liability. + +In no event and under no legal theory, whether in tort (including negligence), +contract, or otherwise, unless required by applicable law (such as deliberate +and grossly negligent acts) or agreed to in writing, shall any Contributor be +liable to You for damages, including any direct, indirect, special, incidental, +or consequential damages of any character arising as a result of this License or +out of the use or inability to use the Work (including but not limited to +damages for loss of goodwill, work stoppage, computer failure or malfunction, or +any and all other commercial damages or losses), even if such Contributor has +been advised of the possibility of such damages. + +9. Accepting Warranty or Additional Liability. + +While redistributing the Work or Derivative Works thereof, You may choose to +offer, and charge a fee for, acceptance of support, warranty, indemnity, or +other liability obligations and/or rights consistent with this License. However, +in accepting such obligations, You may act only on Your own behalf and on Your +sole responsibility, not on behalf of any other Contributor, and only if You +agree to indemnify, defend, and hold each Contributor harmless for any liability +incurred by, or claims asserted against, such Contributor by reason of your +accepting any such warranty or additional liability. + +END OF TERMS AND CONDITIONS + +APPENDIX: How to apply the Apache License to your work + +To apply the Apache License to your work, attach the following boilerplate +notice, with the fields enclosed by brackets "[]" replaced with your own +identifying information. (Don't include the brackets!) The text should be +enclosed in the appropriate comment syntax for the file format. We also +recommend that a file or class name and description of purpose be included on +the same "printed page" as the copyright notice for easier identification within +third-party archives. + + Copyright [yyyy] [name of copyright owner] + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. diff --git a/Makefile b/Makefile new file mode 100644 index 0000000..4c75939 --- /dev/null +++ b/Makefile @@ -0,0 +1,266 @@ +############################################################################# +# Makefile for building: als-controller +# Generated by qmake (3.0) (Qt 5.0.2) on: ?? ????. 30 17:34:03 2013 +# Project: als-controller.pro +# Template: app +# Command: /usr/lib/x86_64-linux-gnu/qt5/bin/qmake -spec linux-g++-64 -o Makefile als-controller.pro +############################################################################# + +MAKEFILE = Makefile + +####### Compiler, tools and options + +CC = gcc +CXX = g++ +DEFINES = +CFLAGS = -m64 -pipe -O2 -Wall -W -fPIE $(DEFINES) +CXXFLAGS = -m64 -pipe -O2 -Wall -W -fPIE $(DEFINES) +INCPATH = -I/usr/share/qt5/mkspecs/linux-g++-64 -I. +LINK = g++ +LFLAGS = -m64 -Wl,-O1 +LIBS = $(SUBLIBS) +AR = ar cqs +RANLIB = +QMAKE = /usr/lib/x86_64-linux-gnu/qt5/bin/qmake +TAR = tar -cf +COMPRESS = gzip -9f +COPY = cp -f +SED = sed +COPY_FILE = cp -f +COPY_DIR = cp -f -R +STRIP = strip +INSTALL_FILE = install -m 644 -p +INSTALL_DIR = $(COPY_DIR) +INSTALL_PROGRAM = install -m 755 -p +DEL_FILE = rm -f +SYMLINK = ln -f -s +DEL_DIR = rmdir +MOVE = mv -f +CHK_DIR_EXISTS= test -d +MKDIR = mkdir -p + +####### Output directory + +OBJECTS_DIR = ./ + +####### Files + +SOURCES = main.cpp +OBJECTS = main.o +DIST = /usr/share/qt5/mkspecs/features/spec_pre.prf \ + /usr/share/qt5/mkspecs/common/shell-unix.conf \ + /usr/share/qt5/mkspecs/common/unix.conf \ + /usr/share/qt5/mkspecs/common/linux.conf \ + /usr/share/qt5/mkspecs/common/gcc-base.conf \ + /usr/share/qt5/mkspecs/common/gcc-base-unix.conf \ + /usr/share/qt5/mkspecs/common/g++-base.conf \ + /usr/share/qt5/mkspecs/common/g++-unix.conf \ + /usr/share/qt5/mkspecs/qconfig.pri \ + /usr/share/qt5/mkspecs/modules/qt_lib_bootstrap.pri \ + /usr/share/qt5/mkspecs/modules/qt_lib_concurrent.pri \ + /usr/share/qt5/mkspecs/modules/qt_lib_core.pri \ + /usr/share/qt5/mkspecs/modules/qt_lib_dbus.pri \ + /usr/share/qt5/mkspecs/modules/qt_lib_gui.pri \ + /usr/share/qt5/mkspecs/modules/qt_lib_network.pri \ + /usr/share/qt5/mkspecs/modules/qt_lib_opengl.pri \ + /usr/share/qt5/mkspecs/modules/qt_lib_platformsupport.pri \ + /usr/share/qt5/mkspecs/modules/qt_lib_printsupport.pri \ + /usr/share/qt5/mkspecs/modules/qt_lib_qml.pri \ + /usr/share/qt5/mkspecs/modules/qt_lib_qmldevtools.pri \ + /usr/share/qt5/mkspecs/modules/qt_lib_qmltest.pri \ + /usr/share/qt5/mkspecs/modules/qt_lib_quick.pri \ + /usr/share/qt5/mkspecs/modules/qt_lib_quickparticles.pri \ + /usr/share/qt5/mkspecs/modules/qt_lib_sql.pri \ + /usr/share/qt5/mkspecs/modules/qt_lib_testlib.pri \ + /usr/share/qt5/mkspecs/modules/qt_lib_widgets.pri \ + /usr/share/qt5/mkspecs/modules/qt_lib_xml.pri \ + /usr/share/qt5/mkspecs/features/qt_functions.prf \ + /usr/share/qt5/mkspecs/features/qt_config.prf \ + /usr/share/qt5/mkspecs/linux-g++-64/qmake.conf \ + /usr/share/qt5/mkspecs/features/spec_post.prf \ + /usr/share/qt5/mkspecs/features/exclusive_builds.prf \ + /usr/share/qt5/mkspecs/features/default_pre.prf \ + /usr/share/qt5/mkspecs/features/unix/default_pre.prf \ + /usr/share/qt5/mkspecs/features/resolve_config.prf \ + /usr/share/qt5/mkspecs/features/default_post.prf \ + /usr/share/qt5/mkspecs/features/unix/gdb_dwarf_index.prf \ + /usr/share/qt5/mkspecs/features/warn_on.prf \ + /usr/share/qt5/mkspecs/features/wayland-scanner.prf \ + /usr/share/qt5/mkspecs/features/testcase_targets.prf \ + /usr/share/qt5/mkspecs/features/exceptions.prf \ + /usr/share/qt5/mkspecs/features/yacc.prf \ + /usr/share/qt5/mkspecs/features/lex.prf \ + als-controller.pro \ + als-controller.pro +QMAKE_TARGET = als-controller +DESTDIR = +TARGET = als-controller + + +first: all +####### Implicit rules + +.SUFFIXES: .o .c .cpp .cc .cxx .C + +.cpp.o: + $(CXX) -c $(CXXFLAGS) $(INCPATH) -o "$@" "$<" + +.cc.o: + $(CXX) -c $(CXXFLAGS) $(INCPATH) -o "$@" "$<" + +.cxx.o: + $(CXX) -c $(CXXFLAGS) $(INCPATH) -o "$@" "$<" + +.C.o: + $(CXX) -c $(CXXFLAGS) $(INCPATH) -o "$@" "$<" + +.c.o: + $(CC) -c $(CFLAGS) $(INCPATH) -o "$@" "$<" + +####### Build rules + +all: Makefile $(TARGET) + +$(TARGET): $(OBJECTS) + $(LINK) $(LFLAGS) -o $(TARGET) $(OBJECTS) $(OBJCOMP) $(LIBS) + +Makefile: als-controller.pro /usr/share/qt5/mkspecs/linux-g++-64/qmake.conf /usr/share/qt5/mkspecs/features/spec_pre.prf \ + /usr/share/qt5/mkspecs/common/shell-unix.conf \ + /usr/share/qt5/mkspecs/common/unix.conf \ + /usr/share/qt5/mkspecs/common/linux.conf \ + /usr/share/qt5/mkspecs/common/gcc-base.conf \ + /usr/share/qt5/mkspecs/common/gcc-base-unix.conf \ + /usr/share/qt5/mkspecs/common/g++-base.conf \ + /usr/share/qt5/mkspecs/common/g++-unix.conf \ + /usr/share/qt5/mkspecs/qconfig.pri \ + /usr/share/qt5/mkspecs/modules/qt_lib_bootstrap.pri \ + /usr/share/qt5/mkspecs/modules/qt_lib_concurrent.pri \ + /usr/share/qt5/mkspecs/modules/qt_lib_core.pri \ + /usr/share/qt5/mkspecs/modules/qt_lib_dbus.pri \ + /usr/share/qt5/mkspecs/modules/qt_lib_gui.pri \ + /usr/share/qt5/mkspecs/modules/qt_lib_network.pri \ + /usr/share/qt5/mkspecs/modules/qt_lib_opengl.pri \ + /usr/share/qt5/mkspecs/modules/qt_lib_platformsupport.pri \ + /usr/share/qt5/mkspecs/modules/qt_lib_printsupport.pri \ + /usr/share/qt5/mkspecs/modules/qt_lib_qml.pri \ + /usr/share/qt5/mkspecs/modules/qt_lib_qmldevtools.pri \ + /usr/share/qt5/mkspecs/modules/qt_lib_qmltest.pri \ + /usr/share/qt5/mkspecs/modules/qt_lib_quick.pri \ + /usr/share/qt5/mkspecs/modules/qt_lib_quickparticles.pri \ + /usr/share/qt5/mkspecs/modules/qt_lib_sql.pri \ + /usr/share/qt5/mkspecs/modules/qt_lib_testlib.pri \ + /usr/share/qt5/mkspecs/modules/qt_lib_widgets.pri \ + /usr/share/qt5/mkspecs/modules/qt_lib_xml.pri \ + /usr/share/qt5/mkspecs/features/qt_functions.prf \ + /usr/share/qt5/mkspecs/features/qt_config.prf \ + /usr/share/qt5/mkspecs/linux-g++-64/qmake.conf \ + /usr/share/qt5/mkspecs/features/spec_post.prf \ + /usr/share/qt5/mkspecs/features/exclusive_builds.prf \ + /usr/share/qt5/mkspecs/features/default_pre.prf \ + /usr/share/qt5/mkspecs/features/unix/default_pre.prf \ + /usr/share/qt5/mkspecs/features/resolve_config.prf \ + /usr/share/qt5/mkspecs/features/default_post.prf \ + /usr/share/qt5/mkspecs/features/unix/gdb_dwarf_index.prf \ + /usr/share/qt5/mkspecs/features/warn_on.prf \ + /usr/share/qt5/mkspecs/features/wayland-scanner.prf \ + /usr/share/qt5/mkspecs/features/testcase_targets.prf \ + /usr/share/qt5/mkspecs/features/exceptions.prf \ + /usr/share/qt5/mkspecs/features/yacc.prf \ + /usr/share/qt5/mkspecs/features/lex.prf \ + als-controller.pro + $(QMAKE) -spec linux-g++-64 -o Makefile als-controller.pro +/usr/share/qt5/mkspecs/features/spec_pre.prf: +/usr/share/qt5/mkspecs/common/shell-unix.conf: +/usr/share/qt5/mkspecs/common/unix.conf: +/usr/share/qt5/mkspecs/common/linux.conf: +/usr/share/qt5/mkspecs/common/gcc-base.conf: +/usr/share/qt5/mkspecs/common/gcc-base-unix.conf: +/usr/share/qt5/mkspecs/common/g++-base.conf: +/usr/share/qt5/mkspecs/common/g++-unix.conf: +/usr/share/qt5/mkspecs/qconfig.pri: +/usr/share/qt5/mkspecs/modules/qt_lib_bootstrap.pri: +/usr/share/qt5/mkspecs/modules/qt_lib_concurrent.pri: +/usr/share/qt5/mkspecs/modules/qt_lib_core.pri: +/usr/share/qt5/mkspecs/modules/qt_lib_dbus.pri: +/usr/share/qt5/mkspecs/modules/qt_lib_gui.pri: +/usr/share/qt5/mkspecs/modules/qt_lib_network.pri: +/usr/share/qt5/mkspecs/modules/qt_lib_opengl.pri: +/usr/share/qt5/mkspecs/modules/qt_lib_platformsupport.pri: +/usr/share/qt5/mkspecs/modules/qt_lib_printsupport.pri: +/usr/share/qt5/mkspecs/modules/qt_lib_qml.pri: +/usr/share/qt5/mkspecs/modules/qt_lib_qmldevtools.pri: +/usr/share/qt5/mkspecs/modules/qt_lib_qmltest.pri: +/usr/share/qt5/mkspecs/modules/qt_lib_quick.pri: +/usr/share/qt5/mkspecs/modules/qt_lib_quickparticles.pri: +/usr/share/qt5/mkspecs/modules/qt_lib_sql.pri: +/usr/share/qt5/mkspecs/modules/qt_lib_testlib.pri: +/usr/share/qt5/mkspecs/modules/qt_lib_widgets.pri: +/usr/share/qt5/mkspecs/modules/qt_lib_xml.pri: +/usr/share/qt5/mkspecs/features/qt_functions.prf: +/usr/share/qt5/mkspecs/features/qt_config.prf: +/usr/share/qt5/mkspecs/linux-g++-64/qmake.conf: +/usr/share/qt5/mkspecs/features/spec_post.prf: +/usr/share/qt5/mkspecs/features/exclusive_builds.prf: +/usr/share/qt5/mkspecs/features/default_pre.prf: +/usr/share/qt5/mkspecs/features/unix/default_pre.prf: +/usr/share/qt5/mkspecs/features/resolve_config.prf: +/usr/share/qt5/mkspecs/features/default_post.prf: +/usr/share/qt5/mkspecs/features/unix/gdb_dwarf_index.prf: +/usr/share/qt5/mkspecs/features/warn_on.prf: +/usr/share/qt5/mkspecs/features/wayland-scanner.prf: +/usr/share/qt5/mkspecs/features/testcase_targets.prf: +/usr/share/qt5/mkspecs/features/exceptions.prf: +/usr/share/qt5/mkspecs/features/yacc.prf: +/usr/share/qt5/mkspecs/features/lex.prf: +als-controller.pro: +qmake: FORCE + @$(QMAKE) -spec linux-g++-64 -o Makefile als-controller.pro + +qmake_all: FORCE + +dist: + @test -d .tmp/als-controller1.0.0 || mkdir -p .tmp/als-controller1.0.0 + $(COPY_FILE) --parents $(SOURCES) $(DIST) .tmp/als-controller1.0.0/ && (cd `dirname .tmp/als-controller1.0.0` && $(TAR) als-controller1.0.0.tar als-controller1.0.0 && $(COMPRESS) als-controller1.0.0.tar) && $(MOVE) `dirname .tmp/als-controller1.0.0`/als-controller1.0.0.tar.gz . && $(DEL_FILE) -r .tmp/als-controller1.0.0 + + +clean:compiler_clean + -$(DEL_FILE) $(OBJECTS) + -$(DEL_FILE) *~ core *.core + + +####### Sub-libraries + +distclean: clean + -$(DEL_FILE) $(TARGET) + -$(DEL_FILE) Makefile + + +check: first + +compiler_wayland-server-header_make_all: +compiler_wayland-server-header_clean: +compiler_wayland-client-header_make_all: +compiler_wayland-client-header_clean: +compiler_wayland-code_make_all: +compiler_wayland-code_clean: +compiler_yacc_decl_make_all: +compiler_yacc_decl_clean: +compiler_yacc_impl_make_all: +compiler_yacc_impl_clean: +compiler_lex_make_all: +compiler_lex_clean: +compiler_clean: + +####### Compile + +main.o: main.cpp + $(CXX) -c $(CXXFLAGS) $(INCPATH) -o main.o main.cpp + +####### Install + +install: FORCE + +uninstall: FORCE + +FORCE: + diff --git a/als-controller.pro b/als-controller.pro new file mode 100644 index 0000000..c3348d2 --- /dev/null +++ b/als-controller.pro @@ -0,0 +1,7 @@ +TEMPLATE = app +CONFIG += console +CONFIG -= app_bundle +CONFIG -= qt + +SOURCES += main.cpp + diff --git a/main.cpp b/main.cpp new file mode 100644 index 0000000..042c90f --- /dev/null +++ b/main.cpp @@ -0,0 +1,161 @@ +#include +#include +#include +#include +#include +#include +#include +#include + +using namespace std; + +volatile bool active = true; +volatile bool goneActive = false; +volatile bool goneInactive = false; + +void sigHandler(int sig) +{ + if(sig == SIGUSR1) { + active = !active; + + if(active) { + goneActive = true; + goneInactive = false; + } else { + goneInactive = true; + goneActive = false; + } + } +} + +void enableALS(bool enable) { + int fd = open("/proc/acpi/call", O_RDWR); + if(fd == -1) { + fprintf(stderr, "Error opening /proc/acpi/call"); + } + + char *buf; + if(enable) { + buf = "\\_SB.PCI0.LPCB.EC0.TALS 0x1"; + } else { + buf = "\\_SB.PCI0.LPCB.EC0.TALS 0x0"; + } + + write(fd, buf, strlen(buf) + 1); + + close(fd); +} + +void setScreenBacklight(int percent) { + char cmd[100]; + snprintf(cmd, 100, "echo %d > /sys/class/backlight/acpi_video0/brightness", percent); + system(cmd); +} + +void setKeyboardBacklight(int percent) { + int value = 0; + + if(percent <= 25) value = 0; + else if(percent <= 50) value = 1; + else if(percent <= 75) value = 2; + else if(percent <= 100) value = 3; + + char cmd[150]; + snprintf(cmd, 150, "echo %d > /sys/class/leds/asus::kbd_backlight/brightness", value); + system(cmd); +} + +int getAmbientLightPercent() { + int fd = open("/proc/acpi/call", O_RDWR); + if(fd == -1) { + fprintf(stderr, "Error opening /proc/acpi/call"); + } + + char *buf; + buf = "\\\_SB.ALS._ALI"; + + write(fd, buf, strlen(buf) + 1); + + char strals[100]; + int count = read(fd, strals, 100); + strals[count] = '\0'; + close(fd); + + // 0x32 (min illuminance), 0xC8, 0x190, 0x258, 0x320 (max illuminance). + int als; + sscanf(strals,"%x",&als); + + float percent = 0; + + switch(als) { + case 0x32: + percent = 10; + break; + case 0xC8: + percent = 25; + break; + case 0x190: + percent = 50; + break; + case 0x258: + percent = 75; + break; + case 0x320: + percent = 100; + break; + } + + return percent; +} + +int main() +{ + struct sigaction sa; + sa.sa_handler = sigHandler; + sigemptyset(&sa.sa_mask); + sa.sa_flags = 0; + sigaction(SIGUSR1, &sa, NULL); + + enableALS(true); + + while(1) { + + while(!active) { + if(goneInactive) { + enableALS(false); + goneInactive = false; + } + + if(!goneInactive && !goneActive) + sleep(60*60*2); + + if(goneActive) { + enableALS(true); + goneActive = false; + } + } + + float als = getAmbientLightPercent(); + printf("%f\%\n", als); + if(als <= 10) { + setScreenBacklight(40); + setKeyboardBacklight(100); + } else if(als <= 25) { + setScreenBacklight(60); + setKeyboardBacklight(0); + } else if(als <= 50) { + setScreenBacklight(75); + setKeyboardBacklight(0); + } else if(als <= 75) { + setScreenBacklight(90); + setKeyboardBacklight(0); + } else if(als <= 100) { + setScreenBacklight(100); + setKeyboardBacklight(0); + } + + sleep(3); + } + + return 0; +}