postep_test.py

import time
import logging
import threading
import sys
from postep256usb import PoStep256USB

def wait_for_position():
    
    while True:
        data = postep.read_stream()
        #print("Received: {}".format(data))
        if data["pos"] == data["final"]:
            print("Reached: {}".format(data["final"]))
            break
        time.sleep(0.1)

postep = PoStep256USB(logging.INFO)
# defined to show only errors as log values, set to logging.INFO or logging.DEBUG for more

# Check if driver was detected and configuration could be established
if postep.device is None:
    print("Driver not found, exiting.")
    sys.exit(0)

# enable streaming of real-time data
postep.enable_rt_stream()
# set the motor to run or sleep
postep.run_sleep(True)

# Example 1: Run motor with fixed speed
postep.move_speed(1000,"cw")
time.sleep(2)

# Example 2: Use motor position control

# First reset the position to known value (do not do this if you wish the motor to retain position during program restart). Power cycle resets this also.
postep.move_reset_to_zero()
#configure speed acceleration and deceleration and endswitch for move commands
postep.move_config(10000,1000,1000,None)

# Assuming there is a finite motion range defined, the end of range must be found first and configured to zero
# Move slowly for fixed time to reach the end of range.
postep.move_speed(100,"acw")
time.sleep(5)

# Now define this as zero position
postep.move_reset_to_zero()

# Move to a fixed position and wait
postep.move_to(10)
wait_for_position()

postep.move_to(100)
wait_for_position()

postep.move_to(1000)
wait_for_position()

postep.move_to(0)
wait_for_position()
#postep.move_speed(100,"acw")


while True:
    data = postep.read_stream()
    if data != None:
        print("Received: {}".format(data))
    time.sleep(1)