dovy · November 2, 2021 01:02 · Nov 2, 2021
diff --git a/evcodes.py b/evcodes.py
@@ -0,0 +1,56 @@
+import evdev
+from evdev import *
+import time 
+#dev =evdev.InputDevice('/dev/input/by-id/usb-SM_SM-2D_PRODUCT_HID_KBW_APP-000000000-event-kbd')
+dev =evdev.InputDevice('/dev/input/event1')
+dev.grab()
+print(dev)
+
+# for event in dev.read_loop():
+#     if event.type == ecodes.EV_KEY:
+#         print(categorize(event))
+
+scancodes = { 
+    # Scancode: ASCIICode 
+    0: None, 1: u'ESC', 2: u'1', 3: u'2', 4: u'3', 5: u'4', 6: u'5', 7: u'6', 8: u'7', 9: u'8', 
+    10: u'9', 11: u'0', 12: u'-', 13: u'=', 14: u'BKSP', 15: u'TAB', 16: u'q', 17: u'w', 18: u'e', 19: u'r', 
+    20: u't', 21: u'y', 22: u'u', 23: u'i', 24: u'o', 25: u'p', 26: u'[', 27: u']', 28: u'CRLF', 29: u'LCTRL', 
+    30: u'a', 31: u's', 32: u'd', 33: u'f', 34: u'g', 35: u'h', 36: u'j', 37: u'k', 38: u'l', 39: u';', 
+    40: u'"', 41: u'`', 42: u'LSHFT', 43: u'\\', 44: u'z', 45: u'x', 46: u'c', 47: u'v', 48: u'b', 49: u'n', 
+    50: u'm', 51: u',', 52: u'.', 53: u'/', 54: u'RSHFT', 56: u'LALT', 57: u' ', 100: u'RALT' 
+} 
+
+capscodes = { 
+    0: None, 1: u'ESC', 2: u'!', 3: u'@', 4: u'#', 5: u'$', 6: u'%', 7: u'^', 8: u'&', 9: u'*', 
+    10: u'(', 11: u')', 12: u'_', 13: u'+', 14: u'BKSP', 15: u'TAB', 16: u'Q', 17: u'W', 18: u'E', 19: u'R', 
+    20: u'T', 21: u'Y', 22: u'U', 23: u'I', 24: u'O', 25: u'P', 26: u'{', 27: u'}', 28: u'CRLF', 29: u'LCTRL', 
+    30: u'A', 31: u'S', 32: u'D', 33: u'F', 34: u'G', 35: u'H', 36: u'J', 37: u'K', 38: u'L', 39: u':', 
+    40: u'\'', 41: u'~', 42: u'LSHFT', 43: u'|', 44: u'Z', 45: u'X', 46: u'C', 47: u'V', 48: u'B', 49: u'N', 
+    50: u'M', 51: u'<', 52: u'>', 53: u'?', 54: u'RSHFT', 56: u'LALT', 57: u' ', 100: u'RALT' 
+} 
+#setup vars 
+x = '' 
+caps = False 
+
+#grab provides exclusive access to the device 
+
+
+#loop 
+for event in dev.read_loop(): 
+    if event.type == ecodes.EV_KEY: 
+     data = categorize(event) # Save the event temporarily to introspect it 
+     if data.scancode == 42: 
+      if data.keystate == 1: 
+       caps = True 
+      if data.keystate == 0: 
+       caps = False 
+     if data.keystate == 1: # Down events only 
+      if caps: 
+       key_lookup = u'{}'.format(capscodes.get(data.scancode)) or u'UNKNOWN:[{}]'.format(data.scancode) # Lookup or return UNKNOWN:XX 
+      else: 
+       key_lookup = u'{}'.format(scancodes.get(data.scancode)) or u'UNKNOWN:[{}]'.format(data.scancode) # Lookup or return UNKNOWN:XX 
+      if (data.scancode != 42) and (data.scancode != 28): 
+       x += key_lookup 
+      if(data.scancode == 28): 
+       print (x)   # Print it all out! 
+       x = '' `enter code here`