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#
# Logic timing diagram constructed with hsteps
#
set title "Logic timing of bits in sequential ASCII characters"
set title font ":Bold"
set tmargin 4
set yrange [0:9]
set xrange [0.5:8]
unset border
unset tics
set ytics 1,1,8 scale 0 format "bit %.0g" offset 0,0.3
unset key
set style fill solid 0.2 border lc "black"
array DATA = [ 0x67, 0x6e, 0x75, 0x70, 0x6c, 0x6f, 0x74 ]
bit(i) = (DATA[column(1)] >> (i-1)) & 0x1
char(i) = sprintf( "%c", DATA[i] )
plot for [k=1:8] \
DATA using 1:(0.8 * bit(k)):(0.5) with hsteps offset k lw 2 fc black, \
for [k=1:8] \
DATA using 1:(k):(bit(k)?"1":"0") with labels offset 0,1 font ",9", \
DATA using 1:(0.5):(char($1)) with labels font ",16" tc 'blue'
Click here for minimal script to generate this plot
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