HackRF-Treasure-Chest/Software/BTLE/matlab/get_signal_from_hackrf_bin.m
2022-09-22 09:26:57 -07:00

32 lines
670 B
Matlab

function [s, status] = get_signal_from_hackrf_bin(filename, num_sample_read)
s = int8(-1);
status = false;
fid = fopen(filename);
if fid == -1
disp('get_signal_from_hackrf_bin: Can not open file!');
status = true;
return;
end
[s, count] = fread(fid, num_sample_read*2, 'int8');
fclose(fid);
% s = int8(s);
if num_sample_read~=inf && count ~= (num_sample_read*2)
disp('get_signal_from_hackrf_bin: No enough samples in the file!');
status = true;
return;
end
% s = single( (s(1:2:end) + 1i.*s(2:2:end))./128 );
% s = (s(1:2:end) + 1i.*s(2:2:end))./128;
s = complex(s(1:2:end), s(2:2:end));
% len_s = length(s);
%
% s = s((len_s/2)+1:end);