bench.py

#!/usr/bin/env python

"""
Usage: python bench.py

Performs simply benchmarks on how long it takes to list devices, open a device
and performing a status query
"""

import pylibftdi
import pyAPT
import time

def main(args):
  print 'Looking for APT controllers'
  drv = pylibftdi.Driver()

  st = time.time()
  controllers = drv.list_devices()
  print '\tlist_devices:',time.time()-st

  if controllers:
    for con in controllers:
      print 'Found %s %s S/N: %s'%con
      st = time.time()
      with pyAPT.MTS50(serial_number=con[2]) as con:
        print '\topen:',time.time()-st
        st = time.time()
        status = con.status()
        print '\tstatus:',time.time()-st

        print '\tController status:'
        print '\t\tPosition: %.2fmm'%(status.position)
        print '\t\tVelocity: %.2fmm'%(status.velocity)
        print '\t\tStatus:',status.flag_strings()

      return 0
  else:
    print '\tNo APT controllers found. Maybe you need to specify a PID'
    return 1


if __name__ == '__main__':
  import sys
  sys.exit(main(sys.argv))