arduivis

Python - Model #2: Input

Abstract

This is an example of how to read a slider from MaxMSP and write the values to Python in the terminal.

Arduino

 
/* 

~~~~~~~ arduivis - Python ~~~~~~~
~~~~~~~~ model#2: input ~~~~~~~~~

MaxMSP: arduivis_python_model2_input.maxpat
Python: arduivis_python_model2_input.py

This is an example of how to read a slider from 
MaxMSP and write the values to Python in the 
terminal.

synthesized by Christopher Konopka

This example code is in the public domain.

*/

void setup() 
{ 
  //  Create/open serial port
    Serial.begin(9600);   
}

void loop() 
{
  // Slider from MaxMSP 
  int maxmspSlider;

  // Parse incoming MaxMSP slider values
  // from MaxMSP, thru Arduino, to Python    
  maxmspSlider = Serial.parseInt();  
}

Python

#____________________________________________________
#
# ~~~~~~~ arduivis - Python ~~~~~~~
# ~~~~~~~~ model#1: output ~~~~~~~~~
#
# Python: arduivis_python_model1_output.py
# MaxMSP: arduivis_python_model1_output.maxpat
#
# This is an example of how to send data from 
# Python to MaxMSP by using an Arduino as 
# a serial communication hub
#
# synthesized by Christopher Konopka
#
# This example code is in the public domain.
#
#____________________________________________________

# Import pySerial
import serial

# Port Name
# To find out the correct port type the line below into the terminal
# python -m serial.tools.list_ports
board = '/dev/cu.usbmodem1451'

# Baud Rate
# Match baud rate with the rate used in the Arduino sketch and the Max patch
baud = 9600

# Define the connected port
arduino = serial.Serial(board, baud, timeout=1)

# Keep the data flowing with an infinite while loop
infinite = 1

while (infinite == 1):

  # Read each line of the serial output 
  output = arduino.readline()

  # Takes input from the command-line
  toArduino = raw_input('Write to Serial buffer: ')

  # Print each line of the serial output
  # print output
  print('Write to Serial buffer', toArduino)
  arduino.write(toArduino+ '\n')

MaxMSP