esp-idf/docs/_static/diagrams/rmt/rmt_rx.diag

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blockdiag rmt_rx {
node_width = 80;
node_height = 60;
default_group_color = lightgrey;
o -> p -> a;
q -> r;
r -- s;
s -> p [folded];
a -> b [label=GPIO];
b -> c -> d;
e -- f;
f -> b [folded];
o [style=none, label="", background="../../../_static/rmt-waveform-modulated.png"]
p [shape=endpoint, label="demod"]
q [label="Remove\nCarrier"]
r [style=none, label="", background="../../../_static/rmt-carrier.png"]
s [shape=none, label=""]
a [style=none, label="", background="../../../_static/rmt-waveform.png"]
b [label=Filter]
c [label="Edge\nDetect"]
d [style=none, width=100, label="{11,high,7,low},\n{5,high,5,low},\n..."]
e [style=none, width=60, height=40, label="Enable\nFilter"]
f [shape=none, label=""]
group {
label = "Optional"
q,r,o,p;
}
group {
label = "Input"
a,e;
}
group {
label = "RMT Receiver"
b,c;
}
group {
label = "Output"
d;
}
}