自動的に 0〜9 キーを入力する

auto_input_key.rb

# 自動的に 0〜9 キーを入力する

UI_SET_EVBIT = 1074025828
UI_SET_KEYBIT = 1074025829
UI_DEV_SETUP = 1079792899
UI_DEV_CREATE = 21761
EV_KEY = 1
EV_SYN = 0
SYN_REPORT = 0

# struct input_id {
#         __u16 bustype;
#         __u16 vendor;
#         __u16 product;
#         __u16 version;
# };
#
# struct uinput_setup {
#         struct input_id id;
#         char name[UINPUT_MAX_NAME_SIZE];    // 80
#         __u32 ff_effects_max;
# };
# // sizeof(struct uinput_setup) == 92
#
# struct input_event {
#  struct timeval time;
#  __u16 type;
#  __u16 code;
#  __s32 value;
# };
# // sizeof(struct input_event) == 24

f = File.open("/dev/uinput", "w")
f.ioctl(UI_SET_EVBIT, EV_KEY)
0x300.times{|k| f.ioctl(UI_SET_KEYBIT, k)}
bustype = 0x03    # BUS_USB
vendor = 0x1234   # テキトー
product = 0x5678  # テキトー
version = 1       # テキトー
name = 'Example Device'
ff_efects_max = 0
setup = [bustype, vendor, product, version, name, ff_efects_max].pack("SSSSZ80L") # uinput_setup
f.ioctl(UI_DEV_SETUP, setup)
f.ioctl(UI_DEV_CREATE)
loop do
  (2..11).each do |k|
    sleep 1
    f.syswrite(['', EV_KEY, k, 1].pack('a16SSl'))           # input_event press
    f.syswrite(['', EV_SYN, SYN_REPORT, 0].pack('a16SSl'))  # input_event
    f.syswrite(['', EV_KEY, k, 0].pack('a16SSl'))           # input_event release
    f.syswrite(['', EV_SYN, SYN_REPORT, 0].pack('a16SSl'))  # input_event
  end
end