diff options
Diffstat (limited to 'obacklight')
-rw-r--r-- | obacklight/Makefile | 8 | ||||
-rw-r--r-- | obacklight/obacklight.ml | 51 |
2 files changed, 59 insertions, 0 deletions
diff --git a/obacklight/Makefile b/obacklight/Makefile new file mode 100644 index 0000000..1e51d9a --- /dev/null +++ b/obacklight/Makefile @@ -0,0 +1,8 @@ +make: + ocamlc unix.cma str.cma obacklight.ml -o obacklight + +static: + ocamlopt unix.cmxa -ccopt -static obacklight.ml -o obacklight + +clean: + rm -f *.cmi *.cmx *.o *.cmo
\ No newline at end of file diff --git a/obacklight/obacklight.ml b/obacklight/obacklight.ml new file mode 100644 index 0000000..6360574 --- /dev/null +++ b/obacklight/obacklight.ml @@ -0,0 +1,51 @@ +open Arg + +(* + Sett default path to sysfs + *) +let default_sysfs_dir = ref "/sys" +let default_backlight_path = ref (String.concat "" (List.append [!default_sysfs_dir] ["/class/backlight/intel_backlight"])) +let default_backlight_maxbrightness_path = ref (String.concat "" (List.append [!default_backlight_path] ["/max_brightness"])) +let default_backlight_brightness_path = ref (String.concat "" (List.append [!default_backlight_path] ["/brightness"])) + +let set_backlight_path () = default_backlight_path := (String.concat "" (List.append [!default_sysfs_dir] ["/class/backlight/intel_backlight"])) +let set_backlight_maxbrightness_path () = default_backlight_maxbrightness_path := (String.concat "" (List.append [!default_backlight_path] ["/max_brightness"])) +let set_backlight_brightness_path () = default_backlight_brightness_path := (String.concat "" (List.append [!default_backlight_path] ["/brightness"])) + + +let print_debug () = +begin + let _ = Printf.printf "sysfs: %s\n" !default_sysfs_dir in + let _ = Printf.printf "backlight: %s\n" !default_backlight_path in + let _ = Printf.printf "max_brightness: %s\n" !default_backlight_maxbrightness_path in + Printf.printf "brightness: %s\n" !default_backlight_brightness_path +end + +let set_sysfs_dir dir = +begin + (Printf.printf "Setting value of sysfs to %s\n" dir); + default_sysfs_dir := dir; + set_backlight_path (); + set_backlight_maxbrightness_path (); + set_backlight_brightness_path () +end + +let main = +begin + (* + let speclist = + [ + ("-s",Arg.String (set_sysfs_dir),"Sysfs directory") + ] in + let usage_msg = "set backlight value" in + let _ = Arg.parse speclist print_endline usage_msg in + (* If there is not argument print value of default path *) + (* If there is 1 argument set value to brigthness *) + *) + print_debug (); +end + +let () = main;; + + + |