diff options
Diffstat (limited to 'main.cpp')
| -rw-r--r-- | main.cpp | 163 |
1 files changed, 163 insertions, 0 deletions
diff --git a/main.cpp b/main.cpp new file mode 100644 index 0000000..df3af34 --- /dev/null +++ b/main.cpp @@ -0,0 +1,163 @@ +#include <cstdio> +#include <cstdlib> +#include <cmath> +#include <algorithm> +#include <condition_variable> +#include <chrono> +#include <functional> +#include <mutex> +#include <thread> +#include <vector> +#include <signal.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <unistd.h> +#include "utils.hpp" +#include "sensor_als.hpp" +#include "brightness_ctrl.hpp" +SensorALS als; +int als_id; + +filesystem::path fifo_path; +BrightnessControl lcd,kbd; +FILE *fifo_f; + +void als_callback(SensorBase* _s) +{ + SensorALS* s=(SensorALS*)_s; + float val=s->get_value(); + lcd.on_sensor_report(val); + kbd.on_sensor_report(val); +} +void load_config() +{ + fifo_path="/tmp/lightsd.cmd.fifo"; + FILE* cfgf; + cfgf=fopen("/etc/lightsd.conf","r"); + if(!cfgf) + cfgf=fopen("lightsd.conf","r"); + if(!cfgf){LOG('W',"Configuration file not found.",0);return;} + char* buf=new char[1024]; + while(!feof(cfgf)) + { + fgets(buf,1024,cfgf); + if(buf[0]=='#')continue; + std::string sb=trim(buf); + std::vector<std::string> sv; + split(sb,'=',sv); + if(sv.size()!=2)continue; + if(sv[0]=="lcd_backlight_control")lcd.set_path(sv[1]); + if(sv[0]=="kbd_backlight_control")kbd.set_path(sv[1]); + if(sv[0]=="lcd_backlight_thresholds") + { + std::vector<std::string> vals; + split(sv[1],',',vals); + std::vector<int> t; + for(auto&i:vals)t.push_back(atoi(i.c_str())); + lcd.set_thresh(t); + } + if(sv[0]=="lcd_backlight_values") + { + std::vector<std::string> vals; + split(sv[1],',',vals); + std::vector<int> t; + for(auto&i:vals)t.push_back(atoi(i.c_str())); + lcd.set_value(t); + } + if(sv[0]=="lcd_backlight_control_delay")lcd.set_delay(atoi(sv[1].c_str())); + if(sv[0]=="lcd_backlight_trigger_range")lcd.set_trigrange(atoi(sv[1].c_str())); + if(sv[0]=="kbd_backlight_thresholds") + { + std::vector<std::string> vals; + split(sv[1],',',vals); + std::vector<int> t; + for(auto&i:vals)t.push_back(atoi(i.c_str())); + kbd.set_thresh(t); + } + if(sv[0]=="kbd_backlight_values") + { + std::vector<std::string> vals; + split(sv[1],',',vals); + std::vector<int> t; + for(auto&i:vals)t.push_back(atoi(i.c_str())); + kbd.set_value(t); + } + if(sv[0]=="kbd_backlight_control_delay")kbd.set_delay(atoi(sv[1].c_str())); + if(sv[0]=="kbd_backlight_trigger_range")kbd.set_trigrange(atoi(sv[1].c_str())); + if(sv[0]=="command_fifo_path")fifo_path=sv[1]; + } + delete[] buf; +} +int get_gid(std::string group) +{ + FILE* grpf=fopen("/etc/group","r"); + char* buf=new char[1024]; + while(!feof(grpf)) + { + fgets(buf,1024,grpf); + std::vector<std::string> sv; + split(buf,':',sv); + if(sv[0]==group) + { + fclose(grpf); + delete[] buf; + return atoi(sv[2].c_str()); + } + } + fclose(grpf); + delete[] buf; + return -1; +} +void setup_fifo() +{ + if(!fifo_path.string().length())return; + unlink(fifo_path.c_str()); + mkfifo(fifo_path.c_str(),0620); + chown(fifo_path.c_str(),0,get_gid("video")); + chmod(fifo_path.c_str(),0620); +} +void command_thread() +{ + fifo_f=fopen(fifo_path.c_str(),"r"); + char cmdbuf[256]; + while(1) + { + fgets(cmdbuf,256,fifo_f); + printf("got command: "); + puts(trim(cmdbuf).c_str()); + std::vector<std::string> cav; + split(trim(cmdbuf),' ',cav); + if(cav.size()>=1) + { + if(cav[0]=="u")if(cav.size()>1)lcd.set_offset(1,atoi(cav[1].c_str())); + if(cav[0]=="d")if(cav.size()>1)lcd.set_offset(-1,atoi(cav[1].c_str())); + if(cav[0]=="s")if(cav.size()>1)lcd.set_offset(0,atoi(cav[1].c_str())); + if(cav[0]=="r")lcd.set_offset(0,0); + } + fclose(fifo_f); + fifo_f=fopen(fifo_path.c_str(),"r"); + } +} +void sigterm_handler(int) +{ + exit(0); +} +int main() +{ + signal(SIGTERM,sigterm_handler); + als_id=SensorBase::detect_sensor("als"); + if(!~als_id)return puts("No ALS found!"),1; + als.init(als_id,"in_intensity"); + als.set_reader_callback(als_callback); + float init_val=als.get_value(); + printf("initial value: %f lx\n",init_val); + load_config(); + setup_fifo(); + lcd.init(init_val,&als); + kbd.init(init_val,&als); + std::thread lcd_thread(&BrightnessControl::worker,std::ref(lcd)); + std::thread kbd_thread(&BrightnessControl::worker,std::ref(kbd)); + std::thread cmd_thread(command_thread); + als.worker(); + return 0; +} |