pyserial

Encapsulates the access for the serial port. It provides backends for Python running on Windows, Linux, BSD (possibly any POSIX compliant system), Jython and IronPython (.NET and Mono), as stated in http://pyserial.sourceforge.net/.

SlackBuild page http://slackbuilds.org/repository/14.0/python/pyserial/.

https://github.com/pyserial/pyserial

Setup port

   1 chmod 666 /dev/ttyUSB0
   2 stty -F /dev/ttyUSB0 raw speed 9600 -crtscts cs8 -parenb -cstopb

Add a existing user to existing group

Add existing user tony to ftp supplementary/secondary group with the usermod command using the -a option ~ i.e. add the user to the supplemental group(s). Use only with -G option:

   1 usermod -a -G dialout userx

SlackBuild for Slackware 14 (32 bit)

Run commands:

   1 su
   2 cd tmp
   3 wget http://slackbuilds.org/slackbuilds/14.0/python/pyserial.tar.gz
   4 tar xvzf pyserial.tar.gz
   5 cd pyserial
   6 wget http://pypi.python.org/packages/source/p/pyserial/pyserial-2.6.tar.gz
   7 chmod 755 pyserial.SlackBuild
   8 ./pyserial.SlackBuild
   9 installpkg /tmp/pyserial-2.6-i486-1_SBo.tgz

pyserial-2.6-i486-1_SBo.tgz

SlackBuild for Slackware64 14 (64 bit)

Run commands:

   1 su
   2 cd tmp
   3 wget http://slackbuilds.org/slackbuilds/14.0/python/pyserial.tar.gz
   4 tar xvzf pyserial.tar.gz
   5 cd pyserial
   6 wget http://pypi.python.org/packages/source/p/pyserial/pyserial-2.6.tar.gz
   7 chmod 755 pyserial.SlackBuild
   8 ./pyserial.SlackBuild
   9 installpkg /tmp/pyserial-2.6-x86_64-1_SBo.tgz

pyserial-2.6-x86_64-1_SBo.tgz

Raspberry pi and raspberry pico

   1 pip install pyserial
   2 sudo chmod 666 /dev/ttyACM0
   3 sudo stty -F /dev/ttyACM0 raw speed 115200 -crtscts cs8 -parenb -cstopb 
   4 picocom -b 115200 --echo /dev/ttyACM0
   5 # ctrl a+x
   6

test-serial.py

   1 import serial
   2 ser = serial.Serial('/dev/ttyACM0',115200)
   3 ser.write(b'ping\n')
   4 line = ser.readline()
   5 print(line.replace("\n",""))
   6 ser.write(b'adc2\n')
   7 line = ser.readline()
   8 print(line.replace("\n",""))
   9 ser.write(b'adc4\n')
  10 line = ser.readline()
  11 print(line.replace("\n",""))
  12 ser.close()