ArduinoIO HAL component

Thanks Dino, it will be useful for me to read the dc spindle current and pass it to linuxcnc
thanks again
Mauro

Hi, i am having a problem getting Linuxcnc to load with ArduinoIO.
It says - execv (arduinoIO): Permission denied.
I attached the Bug report.
I tried adding permission to the .rules file but no luck.
any help would be greatly appreciated.
Thanks
Ryan

 

sorry here is the attached report
Ryan

Search for arduino permission denied, look for " add uses to dialup group"
And also, just in case
sudo apt purge brltty

Hi,
to connect to Arduino you need to add the user to dialout group, also have to set the execute flag to ArduinoIO and need to have installed python-serial

Adding me to the group dialout seems to have worked.
I also noticed I needed to switch from ttyACM0 to ttyUSB0 in arduinoIO since I am using an arduino UNO.
I really appreciate the help, this is going to help with my control panel.
Thanks again!
Ryan

Hi again guys, sorry for being a noob at this.
I have a question about the python section.
How do I adjust the number of pins?
I have a mega 2560 and would like to use as many digital inputs and outputs as possible.
adjustments to the arduino sketch don't seem to have an effect, and trying to adjust the number of inputs and outputs in the python script just causes it to no longer show in Halshow. Do i need to change both the sketch and the python? 
thanks in advance
Ryan

Thought I would post an update.
I did finally sort this out, I currently have 16 input and outputs.
I started in the Arduino IDE and properly ID pins  as input or output.
Then update the python script to reflect the number of each.

I do still have the occasional problem with the outputs.
i can have 7 outputs, 8 outputs or 16 outputs.
Trying to have 9, 10 or 18 outputs causes the hal component to not show in halshow.
At this point this will work, I needed 12 outputs for LEDs.

Pretty simple in hind sight, but I'm still pretty new to coding at this level.
Thanks again for the code, this makes my custom control panel a reality.
Ryan
 

Hi,
to have 12 outputs you have to edit the arduinoIO.ino and set all pins in the array pinOut (the name of the pin you wanna use as output), also set the init state of all pis in pinInitState and if the pin need to be inverted to have the correct state in pinOutInvert; this 3 array must have the same number of the element, 12 in your case; 
Then you have to edit the file arduinoIO.py and set nOutput = 12

I have tried and there is a problem i try to fix it

I have fixed the BUG, thank you for the report, I am sorry for the long time to answer but I have not received the notification of your message

Try the new file: github.com/DinoMesina/arduinoIO/blob/main/arduinoIO.py