Skip to content

Instantly share code, notes, and snippets.

Embed
What would you like to do?
import time
import board
import adafruit_touchscreen
from adafruit_pyportal import PyPortal
from adafruit_hid.keyboard import Keyboard
from adafruit_hid.keycode import Keycode
keyboard_active = False
#Initiallize the Keyboard
try:
kbd = Keyboard()
keyboard_active = True
except OSError:
keyboard_active = False
# the current working directory (where this file is)
cwd = ("/"+__file__).rsplit('/', 1)[0]
#Initialize the Pyportal with the default_bg set to the BMP file with all your icons.
pyportal = PyPortal(url='',
json_path='',
status_neopixel=board.NEOPIXEL,
default_bg=cwd+"/button-template-12.BMP",
text_font=cwd+"/fonts/Collegiate-50.bdf",
text_position=((100, 129), (155, 180)),
text_color=(0x000000, 0x000000),
caption_text='',
caption_font=cwd+"/fonts/Collegiate-24.bdf",
caption_position=(40, 220),
caption_color=0x000000)
# These pins are used as both analog and digital! XL, XR and YU must be analog
# and digital capable. YD just need to be digital
ts = adafruit_touchscreen.Touchscreen(board.TOUCH_XL, board.TOUCH_XR,
board.TOUCH_YD, board.TOUCH_YU,
calibration=((5200, 59000), (5800, 57000)),
size=(320, 240))
p_list = []
while True :
# If the keyboard is active then we can use the PyPortal like a keyboard (USB HID)
if keyboard_active:
p = ts.touch_point
if p:
# append each touch connection to a list
# I had an issue with the first touch detected not being accurate
p_list.append(p)
#affter three trouch detections have occured.
if len(p_list) == 3:
#discard the first touch detection and average the other two get the x,y of the touch
x = (p_list[1][0]+p_list[2][0])/2
y = (p_list[1][1]+p_list[2][1])/2
print(x,y)
# I will refer the the icon/button matrix using the following grid.
# A1 is the icon/button in the top left corner looking at the PyPortal
# D3 is the icon/button in the bottom right corner
# +---+----+----+----+----+
# | | A | B | C | D |
# +---+----+----+----+----+
# | 1 | A1 | B1 | C1 | D1 |
# | 2 | A2 | B2 | C2 | D2 |
# | 3 | A3 | B3 | C3 | D3 |
# +---+----+----+----+----+
# For each button/icon pressed we send a keyboard command using kbd.send
# this can send multiple key presses as if you were pressing them all at the same time
# I use a mac and have configured each one of my shortcuts to open an application
# using ALT+Control+Shift+Command+[some letter]
# These shortcuts trigger an application to launch that was configured using Automator
# Column A
if x > 22.5 and x < 72.5:
# Icon/Button A1
if y > 25 and y < 75:
kbd.send(Keycode.ALT,Keycode.CONTROL, Keycode.COMMAND,Keycode.SHIFT,Keycode.V)
# Icon/Button A2
elif y > 100 and y < 150:
kbd.send(Keycode.ALT,Keycode.CONTROL, Keycode.COMMAND,Keycode.SHIFT,Keycode.G)
# Icon/Button A3
elif y > 175 and y < 225:
kbd.send(Keycode.ALT,Keycode.CONTROL, Keycode.COMMAND,Keycode.SHIFT,Keycode.W)
# Column B
elif x > 97.5 and x < 147.5:
# Icon/Button B1
if y > 25 and y < 75:
kbd.send(Keycode.ALT,Keycode.CONTROL, Keycode.COMMAND,Keycode.SHIFT,Keycode.S)
# Icon/Button B2
elif y > 100 and y < 150:
kbd.send(Keycode.ALT,Keycode.CONTROL, Keycode.COMMAND,Keycode.SHIFT,Keycode.F)
# Icon/Button B3
elif y > 175 and y < 225:
kbd.send(Keycode.ALT,Keycode.CONTROL, Keycode.COMMAND,Keycode.SHIFT,Keycode.X)
# Column C
elif x > 172.5 and x < 222.5:
# Icon/Button C1
if y > 25 and y < 75:
kbd.send(Keycode.ALT,Keycode.CONTROL, Keycode.COMMAND,Keycode.SHIFT,Keycode.C)
# Icon/Button C2
elif y > 100 and y < 150:
kbd.send(Keycode.ALT,Keycode.CONTROL, Keycode.COMMAND,Keycode.SHIFT,Keycode.T)
# Icon/Button C3
elif y > 175 and y < 225:
kbd.send(Keycode.ALT,Keycode.CONTROL, Keycode.COMMAND,Keycode.SHIFT,Keycode.A)
# Column D
elif x > 247.5 and x < 297.5:
# Icon/Button D1
if y > 25 and y < 75:
kbd.send(Keycode.CONTROL, Keycode.COMMAND,Keycode.SHIFT,Keycode.T)
# Icon/Button D2
elif y > 100 and y < 150:
kbd.send(Keycode.ALT,Keycode.CONTROL, Keycode.COMMAND,Keycode.SHIFT,Keycode.Z)
# Icon/Button D3
elif y > 175 and y < 225:
kbd.send(Keycode.ALT,Keycode.CONTROL, Keycode.COMMAND,Keycode.SHIFT,Keycode.P)
# clear list for next detection
p_list = []
# sleap to avoid pressing two buttons on accident
time.sleep(.5)
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment