running two scripts at the same time

[Ersi]

Hi Im begginer with rpi/picon zero, I have two scripts
app.py for measuring distance with HC-SR04 and sending it to website
motorTest.py basic code for piconzero that controls motor forward/backward and speed

how do I start both scripts in same time and control motor AND send speed to website AND send distance value from hc-sr04?
Im trying sending speed from motorTest.py to app.py and than send it to website
and loading both scripts with "& "
sudo python app.py & sudo python motorTest.py
but it doesnt work

here is whole project, in templates folder is website structure
https://drive.google.com/file/d/1RBGYbZ ... 1fRQtrR7Xs

Thank you for help.

[RonR]

how do I start both scripts in same time and control motor AND send speed to website AND send distance value from hc-sr04?
Im trying sending speed from motorTest.py to app.py and than send it to website
and loading both scripts with "& "
sudo python app.py & sudo python motorTest.py
but it doesnt work

If you want both scripts to run simultaneously in the background, you need two separate lines:

Code: Select all

sudo python app.py &
sudo python motorTest.py &

A trailing '&' detaches the console but leaves program running.

[jahboater]

You can do:-

command & command & command & command & command & ...

I suspect the problem lies elsewhere.

[pcmanbob]

Why are you running the python programs with sudo ?

That may have something to do with your problem as you are running them as user root and not user pi when you use sudo.

[Ersi]

If I try to run them with & it doesnt work, motorTest works without sudo but when I want to use app.py I have to use sudo because of website, app.py doesnt work without sudo

[Ersi]

Here is the code on pastebin, I have tried rewriting motorTest to function also and return speed to app.py but it didnt work also.

codes:
https://pastebin.com/PQSJPJ5b -> app.py
https://pastebin.com/b3rAmrQk -> motorTest.py
https://pastebin.com/5FyefNZJ -> tabs.html

[PiGraham]

Here is the code on pastebin, I have tried rewriting motorTest to function also and return speed to app.py but it didnt work also.

codes:
https://pastebin.com/PQSJPJ5b -> app.py
https://pastebin.com/b3rAmrQk -> motorTest.py
https://pastebin.com/5FyefNZJ -> tabs.html

How is MotorTest.py communicating with app.py?
I haven't looked in detail but motorTest seems to require terminal I/o so you can't just background it. You need some interprocess communications.

[Ersi]

think this might be better direction

updated app.py https://pastebin.com/tdwRmjdq

so I took code from motorTest.py and Im trying to add it directly to app.py and run just app.py

lines 9-12 imports
line 23 picon zero initialization
lines 25-46 functions for char/key reading
line 51 speed value definition
lines 55-65 if/elseif for key press

the error Im getting now is line 56 unexpected indent

[pcmanbob]

You need to make the if,elif statements indent match line 55 indent

Code: Select all

    while True:
        
        keyp = readkey()
        if keyp == 'w' or ord(keyp) == 16:
            pz.forward(speed)
        elif keyp == 'z' or ord(keyp) == 17:
            pz.reverse(speed)
        elif keyp == '.' or keyp == '>':
            speed = min(60, speed+2.5)
        elif keyp == ',' or keyp == '<':
            speed = max (0, speed-2.5)
        elif keyp == ' ':
            pz.stop()
                

[Ersi]

You need to make the if,elif statements indent match line 55 indent

Code: Select all

    while True:
        
        keyp = readkey()
        if keyp == 'w' or ord(keyp) == 16:
            pz.forward(speed)
        elif keyp == 'z' or ord(keyp) == 17:
            pz.reverse(speed)
        elif keyp == '.' or keyp == '>':
            speed = min(60, speed+2.5)
        elif keyp == ',' or keyp == '<':
            speed = max (0, speed-2.5)
        elif keyp == ' ':
            pz.stop()
                

Oh okey fixed that now when I try to run it there is something else but I cannot see any problem
look here are photos, first is after I run it second is after I press ctrl+c
https://imgur.com/a/fRNa9lH

[Ersi]

update app.py but still not working, no error but doesnt work

I think there might be problem with picon zero initialization but idk :/ tried alot of things but still doesnt work

https://pastebin.com/f4JLCdk9