This commit is contained in:
Cube
2025-03-04 12:54:48 +00:00
parent 6b1e73d06c
commit 139222b912
2 changed files with 36 additions and 3 deletions

View File

@@ -0,0 +1,28 @@
import board
import terminalio
from adafruit_display_text import label
from keyboard import Keyboard
# GUIDE
# type freely! CTRL+D clears the text.
# backspace, space, and return function as expected.
# keys not recognised WILL print "UNKNOWN 0x??", but this is useful for extra key scans
######
keyb = Keyboard()
text = ""
text_area = label.Label(terminalio.FONT, text=text)
text_area.x = 10
text_area.y = 10
board.DISPLAY.root_group = text_area
while True:
key = keyb.scan()
if key == "BACKSP":
text = text[:-1]
elif key == "CTRLD":
text = ""
else:
text = text+key
text_area.text = text

View File

@@ -4,7 +4,7 @@ class Keyboard:
def __init__(self):
# the number row starts with 3 and ends with the number, e.g. key number 5 is 0x35
self.number_row=["0x30","0x31","0x32","0x33","0x34","0x35","0x36","0x37","0x38","0x39"]
self.shift_number_row={"0x21":"!","0x40":"@","0x23":"#","0x24":"$","0x25":"%","0x5e":"^","0x26":"&","0x2a":"*","0x28":"(","0x29":")"}
self.chars={"0x21":"!","0x40":"@","0x23":"#","0x24":"$","0x25":"%","0x5e":"^","0x26":"&","0x2a":"*","0x28":"(","0x29":")", "0x3f":"?"}
self.lowercase={
"0x71":"q", "0x77":"w", "0x65":"e", "0x72":"r", "0x74":"t", "0x79":"y", "0x75":"u", "0x69":"i", "0x6f":"o", "0x70":"p",
"0x61":"a", "0x73":"s", "0x64":"d", "0x66":"f", "0x67":"g", "0x68":"h", "0x6a":"j", "0x6b":"k", "0x6c":"l",
@@ -15,6 +15,9 @@ class Keyboard:
"0x41":"A", "0x53":"S", "0x44":"D", "0x46":"F", "0x47":"G", "0x48":"H", "0x4a":"J", "0x4b":"K", "0x4c":"L",
"0x5a":"Z", "0x58":"X", "0x43":"C", "0x56":"V", "0x42":"B", "0x4e":"N", "0x4d":"M"
}
self.special={
"0xa":"\n", "0x8":"BACKSP", "0x20":" ", "0x3b":"UP", "0x2e":"DOWN", "0x2c":"LEFT", "0x2f":"RIGHT", "0x10d":"OPTD", "0x4":"CTRLD", "0x13":"CTRLS"
}
def scan(self):
code=hex(ord(sys.stdin.read(1)))
@@ -23,12 +26,14 @@ class Keyboard:
key = None
if code in self.number_row:
key = str(self.number_row.index(code))
elif code in self.shift_number_row:
key = self.shift_number_row[code]
elif code in self.chars:
key = self.chars[code]
elif code in self.lowercase:
key = self.lowercase[code]
elif code in self.uppercase:
key = self.uppercase[code]
elif code in self.special:
key = self.special[code]
if key:
return key