57 lines
2.1 KiB
Matlab
57 lines
2.1 KiB
Matlab
function eq_alsactl_write(fn, blob8)
|
|
|
|
%%
|
|
% Copyright (c) 2016, Intel Corporation
|
|
% All rights reserved.
|
|
%
|
|
% Redistribution and use in source and binary forms, with or without
|
|
% modification, are permitted provided that the following conditions are met:
|
|
% * Redistributions of source code must retain the above copyright
|
|
% notice, this list of conditions and the following disclaimer.
|
|
% * Redistributions in binary form must reproduce the above copyright
|
|
% notice, this list of conditions and the following disclaimer in the
|
|
% documentation and/or other materials provided with the distribution.
|
|
% * Neither the name of the Intel Corporation nor the
|
|
% names of its contributors may be used to endorse or promote products
|
|
% derived from this software without specific prior written permission.
|
|
%
|
|
% THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
% AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
% IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
% ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
|
|
% LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
% CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
% SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
% INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
% CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
% ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
% POSSIBILITY OF SUCH DAMAGE.
|
|
%
|
|
% Author: Seppo Ingalsuo <seppo.ingalsuo@linux.intel.com>
|
|
%
|
|
|
|
%% Write blob
|
|
fh = fopen(fn, 'w');
|
|
|
|
%% Pad blob length to multiple of four bytes
|
|
n_orig = length(blob8);
|
|
n_new = ceil(n_orig/4);
|
|
blob8_new = zeros(1, n_new*4);
|
|
blob8_new(1:n_orig) = blob8;
|
|
|
|
%% Convert to 32 bit
|
|
blob32 = zeros(1, n_new, 'uint32');
|
|
k = 2.^[0 8 16 24];
|
|
for i=1:n_new
|
|
j = (i-1)*4;
|
|
blob32(i) = blob8_new(j+1)*k(1) + blob8_new(j+2)*k(2) ...
|
|
+ blob8_new(j+3)*k(3) + blob8_new(j+4)*k(4);
|
|
end
|
|
for i=1:n_new-1
|
|
fprintf(fh, '%ld,', blob32(i));
|
|
end
|
|
fprintf(fh, '%ld,\n', blob32(end));
|
|
fclose(fh);
|
|
|
|
end
|