Ton/LinuxCNC_ArduinoConnector
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adding experimantal Matrix Keyboard support with Linux Integration

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This commit is contained in:
Alexander Richter 2023-05-02 12:30:53 +02:00
parent dcb3ec8ae2
commit d2adb3793b
1 changed files with 44 additions and 15 deletions
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55
arduino.py
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@ -28,6 +28,7 @@ import serial, time, hal
# Analog Inputs = 'A' -write only -Pin State: 0-1024
# Latching Potentiometers = 'L' -write only -Pin State: 0-max Position
# Absolute Encoder input = 'K' -write only -Pin State: 0-32
# Matrix Keypad = 'M' -write only -Pin State: 0,1
# Command 'E0:0' is used for connectivity checks and is send every 5 seconds as keep alive signal
@ -90,25 +91,42 @@ DLEDcount = 8
# These Inputs are handled differently from everything else, because thy are send to the Host instead and emulate actual Keyboard input.
# You can specify special Charakters however, which will be handled as Inputs in LinuxCNC. Define those in the LCNC Array below.
UseMatrix = 1
LinuxKeyboardInput = 1 #Activate direct Keyboard integration to Linux. This requires you to install and test "xdotool".
#You can install it by typing "sudo apt install xdotool" in your console. After installing "xdotool type "Hello World" should return Hello World in the Terminal.
# If it doesn't, something is not working and this program will not work either. Please get xdotool working first.
Columns = 4
Rows = 4
LCNC =[4,8,12,16] #These are special Keys, which will be used as Input in LinuxCNC. in this Example Letters A, B, C & D are send to hal in LinuxCNC as Inputs.
Chars = [ #here you must define as many characters as your Keypad has keys. calculate columns * rows . for example 4 *4 = 16. You can write it down like in the example for ease of readability.
1, 2, 3, "A",
4, 5, 6, "B",
7, 8, 9, "C",
"#",0, "*","D"
"1", "2", "3", "A",
"4", "5", "6", "B",
"7", "8", "9", "C",
"#", "0", "*", "D"
]
# These are Settings to connect Keystrokes to Linux, you can ignore them if you only use them as LinuxCNC Inputs.
Destination = [ #define, which Key should be inserted in LinuxCNC as Input or as Keystroke in Linux.
#you can ignore it if you want to use all Keys as LinuxCNC Inputs.
# 0 = LinuxCNC
# 1 = Linux
0, 0, 0, 1,
0, 0, 0, 1,
0, 0, 0, 1,
1, 0, 1, 1
]
Debug = 0
######## End of Config! ########
olddOutStates= [0]*Outputs
oldPwmOutStates=[0]*PwmOutputs
if UseMatrix:
import keyboard
if LinuxKeyboardInput:
import subprocess
######## SetUp of HalPins ########
@ -145,6 +163,13 @@ if DLEDcount > 0:
for port in range(DLEDcount):
c.newpin("DLED.{}".format(port), hal.HAL_BIT, hal.HAL_IN)
# setup MatrixKeyboard halpins
if UseMatrix > 0:
for port in range(Columns*Rows):
if Destination[port] == 0 & LinuxKeyboardInput:
pass #if destination is set to Linux, don't register a Hal Pin for this key.
else:
c.newpin("MKey.{}".format(Chars[port]), hal.HAL_BIT, hal.HAL_IN)
c.ready()
#setup Serial connection
@ -272,13 +297,17 @@ while True:
elif cmd == "M":
firstcom = 1
for port in range(AbsKnobPos):
if port == value:
c["AbsKnob.{}".format(port)] = 1
if(Debug):print("AbsKnob.{}:{}".format(port,1))
if value == 1 & LinuxKeyboardInput & Destination[io]:
subprocess.call(["xdotool", "key", Chars[io]])
else:
c["AbsKnob.{}".format(port)] = 0
if(Debug):print("AbsKnob.{}:{}".format(port,0))
c["MKey.{}".format(Chars[io])] = 1
if(Debug):print("MKey{}:{}".format(Chars[io],1))
if value == 0 & Destination[io] == 0:
c["MKey.{}".format(Chars[io])] = 0
if(Debug):print("MKey{}:{}".format(Chars[io],0))
elif cmd == 'E':
arduino.write(b"E0:0\n")