Files
matlab/ofdm/buffer.m
T
jens 50ca3b4b80 [Buffer]
- removed fill member

[RX]
- added plot_mode as string for real time plot mode. 'h_pilots', 'h_syms' and 'fac' are available.
- fixed finish condition for main loop

git-svn-id: http://moon:8086/svn/matlab/trunk@79 801c6759-fa7c-4059-a304-17956f83a07c
2015-05-04 06:39:46 +00:00

44 lines
889 B
Objective-C

function [buf] = buffer()
buf = struct('mem', [], 'ri', 0, 'wi', 0, 'obj', @()obj_(), 'len', @()len_(), 'read', @(len)read_(len), 'readAt', @(len, offset)readAt_(len, offset), 'setReadIndex', @(offset)setReadIndex_(offset), 'write', @(x)write_(x));
function b = obj_()
b = buf;
end
function len = len_()
len = 0;
if (buf.wi > buf.ri)
len = buf.wi - buf.ri;
end
end
function [x] = readAt_(len, offset)
x = [];
if (buf.ri+offset) >= 0
if (buf.wi-(buf.ri+offset) >= len)
x = buf.mem(buf.ri+1+offset:buf.ri+len+offset);
end
end
end
function [x] = read_(len)
x = readAt_(len, 0);
if ~isempty(x)
buf.ri = buf.ri + len;
end
end
function setReadIndex_(offset)
buf.ri = offset;
end
function write_(x)
len = length(x);
buf.mem(buf.wi+1:buf.wi+len, :) = x;
buf.wi = buf.wi + len;
end
end