195 lines
5.0 KiB
Python
195 lines
5.0 KiB
Python
import evdev,sys
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import pandas as pd
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from socket import *
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import time
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NULL_CHAR = chr(0)
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zero = NULL_CHAR*8
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serHost = '192.168.0.111'
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serPort = 50009
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data = pd.read_csv("./scan-code.csv")
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list = data.values.tolist()
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def read_line(code):
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code_hex = code.replace("0x","")
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#print("code_hex=",code_hex)
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for i in range(len(list)):
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lkc = str(list[i][2])
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if lkc[-1] == "0":
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if code_hex == lkc.replace("0x00",""):
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return int(list[i][0].replace("0x07 0x00",""),16)
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else:
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if code_hex == lkc[lkc.rfind("0")+1:]:
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return int(list[i][0].replace("0x07 0x00",""),16)
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def send_report(report):
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sockobj.send(report.encode())
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print(zero.encode())
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sockobj = socket(AF_INET, SOCK_STREAM)
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sockobj.connect((serHost,serPort))
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sockobj.send(b'hid open')
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data = sockobj.recv(1024)
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print(data)
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time.sleep(5)
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while True:
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for i in range(4,34):
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send_report(NULL_CHAR*2+chr(i)+NULL_CHAR*5)
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data = sockobj.recv(1024)
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print(data)
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send_report(NULL_CHAR*8)
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data = sockobj.recv(1024)
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i = i+1
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if i == 35:
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i = 4
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send_report(NULL_CHAR*2+chr(40)+NULL_CHAR*5)
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data = sockobj.recv(1024)
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print(data)
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send_report(NULL_CHAR*8)
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data = sockobj.recv(1024)
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time.sleep(0.1)
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device = evdev.InputDevice('/dev/input/event1')
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print(device)
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tmp = 0
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tmp_code = 0
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hang = 0
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caps = 0
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for event in device.read_loop():
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if event.type == evdev.ecodes.EV_KEY :
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k = evdev.events.KeyEvent(event)
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#print(k) #完整事件
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#print(event.code) ##键盘code --按键的hex code(如28---enter)
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hid_code = read_line(hex(event.code))
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#print("hid_code=",hid_code)##完成scan code到hid code的转换
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#print("hid_code_type=",type(hid_code))
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#print(event.value) ##键盘状态 0，1,2 --0为release, 1为down , 2hold
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if event.value == 1:
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#print(NULL_CHAR*2+chr(event.code)+NULL_CHAR*5)
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if hid_code == 224 or hid_code == 225 or hid_code == 226 or hid_code == 227 or hid_code == 228 or hid_code == 229 or hid_code == 230 or hid_code == 231 or hid_code == 58:
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tmp_code = hid_code
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hang = 1
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match hid_code:
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case 224:
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tmp = 1
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case 225:
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tmp = 2
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case 226:
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tmp = 4
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case 227:
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tmp = 8
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case 228:
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tmp = 16
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case 229:
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tmp = 32
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case 230:
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tmp = 64
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case 231:
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tmp = 128
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case 58:
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if caps == 1:
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caps = 0
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else:
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caps = 1
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hang = 0
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tmp_code = 0
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else:
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if tmp != 0: ##按住ctrl等然后按字母等
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hang = 2 ##可以认定为没有单次敲击shift
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print("caps=",caps)
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if caps == 1 and (tmp_code == 225 or tmp_code == 229):
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send_report(NULL_CHAR*2+chr(hid_code)+NULL_CHAR*5)
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else:
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send_report(chr(tmp)+NULL_CHAR+chr(hid_code)+NULL_CHAR*5)
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else:
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if caps == 1 :
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send_report(chr(32)+NULL_CHAR+chr(hid_code)+NULL_CHAR*5)
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else:
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send_report(NULL_CHAR*2+chr(hid_code)+NULL_CHAR*5)
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data = sockobj.recv(1024)
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#print(data)
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if event.value == 2:
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#print(NULL_CHAR*2+chr(event.code)+NULL_CHAR*5)
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if hid_code == 224 or hid_code == 225 or hid_code == 226 or hid_code == 227 or hid_code == 228 or hid_code == 229 or hid_code == 230 or hid_code == 231 :
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tmp_code = hid_code
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match hid_code:
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case 224:
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tmp = 1
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case 225:
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tmp = 2
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case 226:
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tmp = 4
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case 227:
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tmp = 8
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case 228:
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tmp = 16
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case 229:
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tmp = 32
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case 230:
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tmp = 64
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case 231:
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tmp = 128
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else:
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if tmp != 0:
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hang = 2
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if caps == 1 and (tmp_code == 225 or tmp_code == 229):
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send_report(NULL_CHAR*2+chr(hid_code)+NULL_CHAR*5)
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else:
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send_report(chr(tmp)+NULL_CHAR+chr(hid_code)+NULL_CHAR*5)
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else:
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if caps == 1 :
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send_report(chr(32)+NULL_CHAR+chr(hid_code)+NULL_CHAR*5)
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data = sockobj.recv(1024)
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#print(data)
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else:
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send_report(NULL_CHAR*2+chr(hid_code)+NULL_CHAR*5)
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data = sockobj.recv(1024)
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#print(data)
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if event.value == 0:
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if hid_code == tmp_code and hang == 1:
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send_report(chr(tmp)+NULL_CHAR*7)
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send_report(NULL_CHAR*8)
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tmp = 0
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tmp_code = 0
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hang = 0
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elif hid_code == tmp_code:
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send_report(NULL_CHAR*8)
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tmp = 0
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tmp_code = 0
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hang = 0
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else:
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send_report(NULL_CHAR*8)
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data = sockobj.recv(1024)
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#print(data)
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'''
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This article provided the answer.
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Input reports (sent from keyboard to computer) have the following structure for a total of 8 bytes:
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1 byte: modifier keys (Control, Shift, Alt, etc.), where each bit corresponds to a key
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1 byte: unused/reserved for OEM
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6 bytes: pressed key codes
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Further into the article, there is a list of the modifiers, each represented by a bit:
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Left Control: 224 (0x00e0)-------0x01
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Left Shift: 225 (0x00e1)-------0x02
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Left Alt: 226 (0x00e2)-------0x04
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Left Meta (Windows key): 227 (0x00e3)-------0x08
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Right Control: 228 (0x00e4)-------0x10
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Right Shift: 229 (0x00e5)-------0x20
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Right Alt: 230 (0x00e6)-------0x40
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Right Meta (Windows key): 231 (0x00e7)-------0x80
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For firing my screenshot app, I need CMD-SHIFT-5, so I need to set the 2nd and 4th bits on.
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0b01010000
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'''
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