Files
matlab/motor_eval.m
jens f59fb8f67d added
git-svn-id: http://moon:8086/svn/matlab/trunk@100 801c6759-fa7c-4059-a304-17956f83a07c
2018-12-14 17:16:15 +00:00

51 lines
1.4 KiB
Objective-C
Executable File

## Copyright (C) 2018 Jens Ahrensfeld
##
## 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 3 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, see <http://www.gnu.org/licenses/>.
## -*- texinfo -*-
## @deftypefn {Function File} {@var{retval} =} motor_eval (@var{input1}, @var{input2})
##
## @seealso{}
## @end deftypefn
## Author: Jens Ahrensfeld <ahrensfeld@w2ess001vm>
## Created: 2018-08-01
function cnt_expected = motor_eval (cnt_tooth, cnt, round_mode)
cnt_expected = 0
cnt_err = mod(abs(cnt),cnt_tooth);
if (cnt_err >= 0.5*cnt_tooth)
cnt_err = cnt_err - cnt_tooth;
end
if strcmpi(round_mode, 'nearest')
cnt_expected = cnt - sign(cnt)*cnt_err;
elseif strcmpi(round_mode, 'positive')
cnt_expected = cnt - cnt_err
if (cnt < 0)
cnt_expected = cnt - cnt_err + cnt_tooth
end
elseif strcmpi(round_mode, 'negative')
cnt_expected = cnt - cnt_err
end
err = cnt - cnt_expected
endfunction