#!/usr/bin/env python #!/usr/bin/python # This is a component of AXIS, a front-end for LinuxCNC # Copyright 2004, 2005, 2006 Jeff Epler and # Chris Radek # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA import sys, os import linuxcnc ini = linuxcnc.ini(sys.argv[1]) nproblems = 0 def report_problem(msg, *args): global nproblems nproblems += 1 if args: print msg % args else: print msg def get_int(section, key): return int(ini.find(section, key).split()[0]) def get_float(section, key): return float(ini.find(section, key).split()[0]) period = get_int("EMCMOT", "BASE_PERIOD") naxes = get_int("TRAJ", "AXES") is_stepper = ini.find("AXIS_0", "STEPGEN_MAXVEL") is not None if is_stepper: print "Appears to be a stepper configuration" else: print "Appears to be a servo configuration" for i in range(naxes): axis = "AXIS_%d" % i scale = get_float(axis, "INPUT_SCALE") if is_stepper: vel = get_float(axis, "STEPGEN_MAXVEL") cycles_per_step = 2 required_period = 1000000000 / vel / scale / cycles_per_step if required_period < period: report_problem( "Max Velocity %g and scale %g require BASE_PERIOD below %d", vel, scale, int(required_period)) vel = get_float(axis, "MAX_VELOCITY") headroom_vel = get_float(axis, "STEPGEN_MAXVEL") if headroom_vel < vel * 1.01: report_problem( "Less than 1%% velocity headroom from %g to %g", vel, headroom_vel) acc = get_float(axis, "MAX_ACCELERATION") headroom_acc = get_float(axis, "STEPGEN_MAXACCEL") if headroom_acc < acc * 1.01: report_problem( "Less than 1%% acceleration headroom from %g to %g", acc, headroom_acc) if nproblems == 0: print "No problems found" elif nproblems == 1: print "One problem found" else: print "%d problems found" % nproblems # vim:sw=4:sts=4:et