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## Copyright (C) 2018 John Donoghue <john.donoghue@ieee.org>
##
## 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. see
## <https://www.gnu.org/licenses/>.
## -*- texinfo -*-
## @deftypefn {} {@var{retval} =} __arduino__binary__ (})
## @deftypefnx {} {@var{retval} =} __arduino__binary__ (@var{newpath})
## Private function to set arduino path
## @seealso{arduinosetup}
## @end deftypefn
function retval = __arduino_binary__ (newarduinopath)
persistent arduino_binary = "";
if nargin == 0
if isempty(arduino_binary)
arduino_binary = find_arduino_binary ();
endif
else
% trying to set the path ?
arduino_binary = newarduinopath;
setpref('arduino', 'arduino_binary', arduino_binary);
endif
retval = arduino_binary;
endfunction
function arduino_binary = find_arduino_binary ()
# use arduino_debug.exe in windoze ?
binary_name = {"arduino", "arduino-ide"};
arduino_binary = "";
have_prefs = false;
binary = getpref("arduino", "arduino_binary", "");
if !isempty(binary)
have_prefs = true;
t = file_in_path (getenv ("PATH"), binary);
if !isempty(t)
arduino_binary = t;
endif
endif
if (isunix ())
binaries = {}'
for idx=1:numel(binary_name)
binaries{end+1} = binary_name{idx};
binaries{end+1} = strcat (binary_name{idx}, ".exe");
endfor
else
binaries = {}'
for idx=1:numel(binary_name)
binaries{end+1} = strcat (binary_name{idx}, ".exe");
endfor
endif
# do we have a ARDUINO_HOME ?
if isempty (arduino_binary)
if isenv("ARDUINO_HOME")
n=0;
while (n < numel (binaries) && isempty (arduino_binary))
arduino_binary = file_in_path (getenv ("ARDUINO_HOME"), binaries{++n});
endwhile
endif
endif
# can we find in path
n = 0;
while (n < numel (binaries) && isempty (arduino_binary))
arduino_binary = file_in_path (getenv ("PATH"), binaries{++n});
endwhile
% if a pc, and have the winqueryreg function, try find the path
if isempty(arduino_binary) && ispc ()
if exist('winqueryreg') == 5
try
arduino_binary = winqueryreg("HKLM", 'SOFTWARE\Microsoft\Windows\CurrentVersion\App Paths\arduino.exe');
end_try_catch
if isempty(arduino_binary)
# try win32 registry
try
arduino_binary = fullfile(winqueryreg("HKLM", 'SOFTWARE\WOW6432Node\Arduino', 'install_dir'), 'arduino.exe');
end_try_catch
endif
endif
if isempty(arduino_binary)
trypath = "C:\\Program Files (x86)\\Arduino\\arduino.exe";
if exist (trypath, "file")
arduino_binary = trypath;
endif
endif
if isempty(arduino_binary)
trypath = fullfile (getenv ("LOCALAPPDATA"), "Programs", "Arduino IDE", "Arduino IDE.exe");
if exist (trypath, "file")
arduino_binary = trypath;
endif
endif
if isempty(arduino_binary)
trypath = fullfile (getenv ("PROGRAMFILES"), "Arduino IDE", "Arduino IDE.exe");
if exist (trypath, "file")
arduino_binary = trypath;
endif
endif
endif
% look for arduino prefs file
if isempty (arduino_binary)
if ispc ()
prefsfile = fullfile (getenv ("LOCALAPPDATA"), "Arduino15", "preferences.txt");
else
prefsfile = fullfile (getenv ("HOME"), ".arduino15", "preferences.txt");
endif
fd = fopen (prefsfile, "rt");
if fd != -1
try
trypaths = {};
while ! feof (fd)
l = fgetl (fd);
str = regexp (l, "last\.ide\.(?<version>\\d.*)\.hardwarepath=(?<path>.*)$", "names");
if ! isempty (str)
trypaths{end+1} = str;
endif
endwhile
if !isempty (trypaths)
% sort so will try newest ver first
[~, sortidx] = sort(arrayfun( @(x) x{1}.version, trypaths, 'uniformoutput', false), 'descend');
for idx = 1:length(sortidx)
if isempty (arduino_binary)
[trypath,~,~] = fileparts (trypaths{idx}.path);
n = 0;
while (n < numel (binaries) && isempty (arduino_binary))
arduino_binary = file_in_path (trypath, binaries{++n});
endwhile
endif
endfor
endif
end_try_catch
fclose (fd);
endif
endif
if isempty(arduino_binary)
error ("__arduino_binary__: can not find the arduino binary");
elseif !have_prefs
setpref('arduino', 'arduino_binary', arduino_binary);
endif
endfunction
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