#!python
# -*- mode: python; Encoding: utf-8; coding: utf-8 -*-
# Last updated: <2021/02/28 02:11:30 +0900>
"""
EV値が何を示しているかを表示

Windows10 x64 20H2 + Python 3.8.7 64bit
"""

# reference material
#
# Programming for a Touchscreen on the Raspberry Pi | ozzmaker.com
# https://ozzmaker.com/programming-a-touchscreen-on-the-raspberry-pi/
#
# linux/input.h at master - spotify/linux
# https://github.com/spotify/linux/blob/master/include/linux/input.h

# (   0    0    0    0    0    0)H
# (7654 .21. .... .... ..54 3210)B
#  ||||  ||              || ||||
#  ||||  ||              || |||+- EV_SYN
#  ||||  ||              || ||+-- EV_KEY
#  ||||  ||              || |+--- EV_REL
#  ||||  ||              || +---- EV_ABS
#  ||||  ||              |+------ EV_MSC
#  ||||  ||              +------- EV_SW
#  ||||  |+---------------------- EV_LED
#  ||||  +----------------------- EV_SND
#  |||+-------------------------- EV_REP
#  ||+--------------------------- EV_FF
#  |+---------------------------- EV_PWR
#  +----------------------------- EV_FF_STATUS

ev_list = {
    0x00:"EV_SYN",
    0x01:"EV_KEY",
    0x02:"EV_REL",
    0x03:"EV_ABS",
    0x04:"EV_MSC",
    0x05:"EV_SW",
    0x11:"EV_LED",
    0x12:"EV_SND",
    0x14:"EV_REP",
    0x15:"EV_FF",
    0x16:"EV_PWR",
    0x17:"EV_FF_STATUS",
    0x1f:"EV_MAX"
    }

def main():
    allmask = 0
    for k, v in ev_list.items():
        allmask = allmask | (1 << k)

    print("Please input, hexadecimal or 'exit'")
        
    while True:
        s = input("EV=")
        if s == "" or s == "bye" or s == "quit" or s == "exit":
            break
        val = int(s, 16)

        result = " -> "
        for k, v in ev_list.items():
            # print("0x%02x : %s" % (k, v))
            mask = 1 << k
            if (val & mask) != 0:
                result = result + v + " "
                
        print(result)

        if (val & ~allmask) != 0:
            v = val & ~allmask
            print("Unknown : 0x%x" % v)

        print()


if __name__ == '__main__':
    main()